fidl_fuchsia_mediacodec/

fidl_fuchsia_mediacodec.rs

// WARNING: This file is machine generated by fidlgen.

#![warn(clippy::all)]
#![allow(unused_parens, unused_mut, unused_imports, nonstandard_style)]

use bitflags::bitflags;
use fidl::client::QueryResponseFut;
use fidl::encoding::{MessageBufFor, ProxyChannelBox, ResourceDialect};
use fidl::endpoints::{ControlHandle as _, Responder as _};
use futures::future::{self, MaybeDone, TryFutureExt};
use zx_status;

/// Constrain the length of the vector indicated via `OnCodecList`, and constrain the max items in
/// any vector within the response from `GetDetailedCodecDescriptions`.  The overall enforced limit
/// for codec caps information is the max channel message size however, since nested vectors each of
/// max size could otherwise exceed the max channel message size.
pub const CODEC_FACTORY_CODEC_LIST_SIZE_MAX: u32 = 256;

/// More than this many calls to AttachLifetimeTracking()
/// without a Create{X}() call will result in CodecFactory channel closing from
/// the server end.
pub const CODEC_FACTORY_LIFETIME_TRACKING_EVENTPAIR_PER_CREATE_MAX: u32 = 16;

/// Constrain the mime_type to a size that won't cause problems.
pub const CODEC_FACTORY_MAX_MIME_TYPE_LENGTH: u32 = 256;

#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(u32)]
pub enum CodecType {
    Decoder = 0,
    Encoder = 1,
}

impl CodecType {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            0 => Some(Self::Decoder),
            1 => Some(Self::Encoder),
            _ => None,
        }
    }

    #[inline]
    pub const fn into_primitive(self) -> u32 {
        self as u32
    }

    #[deprecated = "Strict enums should not use `is_unknown`"]
    #[inline]
    pub fn is_unknown(&self) -> bool {
        false
    }
}

/// Whether buffers need to be secure.  If not specified, the default is OFF.
///
/// This enum may have additional values added later; code handling this type
/// should be written with this in mind.  For example, in C++, having a
/// "default" case in any switch statement on this type will avoid compilation
/// warnings/errors when a new value is added.
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(u32)]
pub enum SecureMemoryMode {
    Off = 0,
    On = 1,
}

impl SecureMemoryMode {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            0 => Some(Self::Off),
            1 => Some(Self::On),
            _ => None,
        }
    }

    #[inline]
    pub const fn into_primitive(self) -> u32 {
        self as u32
    }

    #[deprecated = "Strict enums should not use `is_unknown`"]
    #[inline]
    pub fn is_unknown(&self) -> bool {
        false
    }
}

/// Deprecated.
///
/// Rather than listening for OnCodecList, clients needing codec information prior to just
/// requesting a codec with CodecFactory.CreateDecoder or CodecFactory.CreateEncoder should instead
/// use GetDetailedCodecDescriptions to get the DetailedCodecDescription table instead, which has
/// per-profile-entry equivalents of all these fields.  Clients with no real need for codec
/// information prior to requesting a codec can call CodecFactory.CreateDecoder or
/// CodecFactory.CreateEncoder with relevant requirements set in that request, and then
/// StreamProcessor.Sync to see if a codec was actually created successfully.
///
/// In contrast to OnCodecList which uses FIDL structs (due to ordering of historical events),
/// GetDetailedCodecDescriptions uses FIDL tables so is not expected to need to be deprecated, since
/// we can add new table fields as needed, and gradually deprecate old table fields if appropriate,
/// without deprecating the whole thing.
///
/// Per-codec servers do not need to fill out this struct or send OnCodecList, as the main
/// CodecFactory will construct the OnCodecList info from the GetDetailedCodecDescriptions info, so
/// that each codec can (optionally) stop sending OnCodecList immediately, rather than having to
/// wait for all clients to stop listening to OnCodecList, which may take a while.  All codecs _do_
/// need to implement GetDetailedCodecDescriptions however.
#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct CodecDescription {
    /// Decoder or encoder.
    pub codec_type: CodecType,
    /// The mime type of the compressed format.  For decoders this is the mime
    /// type of the input.  For encoders, this is the mime type of the output.
    pub mime_type: String,
    /// For each of these fields, the default is the most-capable setting, but
    /// if a codec doesn't support the most-capable behavior, then the codec
    /// must override the default.
    pub can_stream_bytes_input: bool,
    pub can_find_start: bool,
    pub can_re_sync: bool,
    pub will_report_all_detected_errors: bool,
    pub is_hw: bool,
    pub split_header_handling: bool,
}

impl fidl::Persistable for CodecDescription {}

#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct CodecFactoryAttachLifetimeTrackingRequest {
    pub codec_end: fidl::EventPair,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for CodecFactoryAttachLifetimeTrackingRequest
{
}

#[derive(Debug, PartialEq)]
pub struct CodecFactoryCreateDecoderRequest {
    pub decoder_params: CreateDecoderParams,
    pub decoder: fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for CodecFactoryCreateDecoderRequest
{
}

#[derive(Debug, PartialEq)]
pub struct CodecFactoryCreateEncoderRequest {
    pub encoder_params: CreateEncoderParams,
    pub encoder: fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for CodecFactoryCreateEncoderRequest
{
}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct CodecFactoryOnCodecListRequest {
    pub codecs: Vec<CodecDescription>,
}

impl fidl::Persistable for CodecFactoryOnCodecListRequest {}

#[derive(Clone, Debug, Default, PartialEq)]
pub struct CodecFactoryGetDetailedCodecDescriptionsResponse {
    pub codecs: Option<Vec<DetailedCodecDescription>>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for CodecFactoryGetDetailedCodecDescriptionsResponse {}

#[derive(Clone, Debug, Default, PartialEq)]
pub struct CreateDecoderParams {
    /// Input mime type for a decoder.
    ///
    /// The recognized mime types for now:
    /// video/h264
    /// video/vp9
    /// audio/aac
    ///   input_details.oob_bytes must be an AudioSpecificConfig() as defined
    ///   by AAC spec.
    /// audio/sbc
    ///   input_details.oob_bytes must be Codec Specific Information Elements
    ///   for SBC as defined by the A2DP spec.
    pub input_details: Option<fidl_fuchsia_media::FormatDetails>,
    /// This must be true in order for the client to be permitted to put a
    /// timestamp on an input packet, which is in turn required to get any
    /// timestamps on any output packets.
    ///
    /// It is always legal to provide separate Access Units (henceforth AUs) to a
    /// decoder, but this boolean must be true for a decoder to accept and
    /// propagate timestamp values.
    ///
    /// This must be true when creating a video encoder, or the CodecFactory
    /// channel will close.
    ///
    /// If not set, interpreted as false.
    pub promise_separate_access_units_on_input: Option<bool>,
    /// Require that the selected codec be capable of accepting input where
    /// AUs are not separated into separate packets.
    ///
    /// This does not imply that the decoder can find the start of the first AU;
    /// for that see require_can_find_start.  This does not imply that the decoder
    /// can re-sync on its own if the stream data is damaged; for that see
    /// require_can_re_sync.
    ///
    /// If both promise_separate_access_units_on_input and
    /// require_can_stream_bytes_input are true, the CodecFactory channel will
    /// close.
    ///
    /// If this is false, the client must feed separate AUs on the fuchsia.ui.input.  This
    /// must be false for a video encoder, and if true the CodecFactory channel
    /// will close.
    ///
    /// Unless a client demands a decoder capable of taking concatenated AUs
    /// (require_can_stream_bytes_input true), the client must feed a decoder
    /// separate AUs.  This means the client cannot have parts of two separate AUs
    /// in the same packet, unless require_can_stream_bytes_input is true.
    ///
    /// If not set, interpreted as false.
    pub require_can_stream_bytes_input: Option<bool>,
    /// A decoder is allowed to be capable of streaming bytes but not capable of
    /// searching for the start of the first usable AU.  To require both, set both
    /// require_can_stream_bytes_input and require_can_find_start.  Setting
    /// require_can_find_start without require_can_stream_bytes_input is invalid.
    ///
    /// With require_can_stream_bytes_input true but require_can_find_start false,
    /// the client must start the first packet with the start of an AU, but can
    /// send a stream of bytes after that.
    ///
    /// If not set, interpreted as false.
    pub require_can_find_start: Option<bool>,
    /// On problematic input data, all decoders are expected to at least be able to
    /// close the channel rather than getting stuck in a failed and/or broken
    /// state.
    ///
    /// A decoder returned from a request with require_can_re_sync is potentially
    /// able to handle damaged input without closing the Codec channel.  Such a
    /// Codec is encouraged, but not required, to also satisfy requirements of
    /// require_report_all_detected_errors.
    ///
    /// If not set, interpreted as false.
    pub require_can_re_sync: Option<bool>,
    /// Sometimes a client would rather fail an overall use of a decoder than fail
    /// to notice data corruption.  For such scenarios, the client can specify
    /// require_report_all_detected_errors.  For any codec returned from a
    /// request with require_report_all_detected_errors set, on detection of
    /// any input data corruption the codec will report in one or more of these
    /// ways:
    ///   * closing the Codec channel
    ///   * OnStreamFailed()
    ///   * error_detected_before
    ///   * error_detected_during
    ///
    /// If false, a codec may silently skip past corrupted input data.
    ///
    /// No decoder can detect all corruption, because some corruption can look like
    /// valid stream data.  This requirement is only to request a codec that
    /// is written to attempt to detect _and report_ input stream corruption.
    ///
    /// This flag is not intended to be 100% bulletproof.  If a client needs robust
    /// assurance that _all_ detectable stream corruption is _always_ detected,
    /// this flag is not enough of a guarantee to achieve that.  Since some stream
    /// corruption is inherently non-detectable in any case, such a client should
    /// consider using stronger techniques upstream to ensure that corruption can
    /// be detected with the needed probability very close to 1.
    ///
    /// This flag being true doesn't imply anything about whether the codec will
    /// discard damaged data vs. producing corresponding damaged output.  Only that
    /// the codec will set error_detected_* bools to true when appropriate.
    ///
    /// Regardless of this setting, not all timestamp_ish values provided on input
    /// are guaranteed to show up on output.
    ///
    /// If not set, interpreted as false.
    pub require_report_all_detected_errors: Option<bool>,
    /// If true, require that the returned codec is HW-accelerated.  See also
    /// `require_sw`.
    ///
    /// If not set, interpreted as false.
    pub require_hw: Option<bool>,
    /// permit_lack_of_split_header_handling
    ///
    /// This field is a temporary field that will be going away.
    ///
    /// TODO(dustingreen): Remove this field once we're down to zero codecs with
    /// problems handling split headers.
    ///
    /// By default, a Codec instance is required to handle "split headers", meaning
    /// that a client is allowed to deliver parts of an AU one byte at a time,
    /// including parts near the beginning of the AU, and the codec is required to
    /// tolerate and handle that properly.  However, unfortunately not all codecs
    /// properly support split headers.  If a client is willing to permit such a
    /// codec to be used, the client can set this to true.  Clients are not
    /// encouraged to set this, but setting it may be necessary to find a codec for
    /// some formats _for now_.  If a client sets this to true, the client should
    /// deliver data of each AU with many contiguous non-split bytes from the start
    /// of each AU.  The client is not strictly required to deliver one AU at a
    /// time, only to ensure that either all the AU bytes are in a single packet or
    /// that many bytes at the start of each AU are in a single packet.
    ///
    /// The specification for how a client should use this and how a client should
    /// behave if setting this to true is intentionally vague, because lack of
    /// support for header splitting is not ideal, and is expected to be
    /// temporary, and all codecs should handle split headers in the long run.
    /// The main intent of this field is to avoid giving an innocent client using
    /// default value of false here a codec that can't properly handle split
    /// headers.  This is not an attempt at a mechanism to fully work around a
    /// codec that doesn't handle split headers.
    ///
    /// If not set, interpreted as false.
    pub permit_lack_of_split_header_handling: Option<bool>,
    /// If set to ON, the decoder must support secure buffers on output, and
    /// must reject non-secure buffers on output.
    ///
    /// If set to OFF or not set, the created decoder will reject secure buffers
    /// on output by closing the StreamProcessor channel.
    ///
    /// If secure_input_mode ON, secure_output_mode must also be ON.
    pub secure_output_mode: Option<SecureMemoryMode>,
    /// If set to ON, the decoder must support secure buffers on input and must
    /// reject non-secure buffers on input.
    ///
    /// If set to OFF or not set, the created decoder will reject secure buffers
    /// on input by closing the StreamProcessor channel.
    ///
    /// If secure_input_mode ON, secure_output_mode must also be ON.
    pub secure_input_mode: Option<SecureMemoryMode>,
    /// If true, require that the returned codec is entirely SW-based, not
    /// HW-accelerated (other than possibly using vector CPU instructions).
    /// This can be useful for testing purposes or other special scenarios, but
    /// is not recommended for performance-sensitive scenarios.  Also, some
    /// builds may lack a SW-based decoder for some formats.  See also
    /// `require_hw`.
    ///
    /// If not set, interpreted as false.
    pub require_sw: Option<bool>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for CreateDecoderParams {}

/// Parameters used to request an encoder.
#[derive(Clone, Debug, Default, PartialEq)]
pub struct CreateEncoderParams {
    /// The format of the uncompressed input data.
    ///
    /// This field should be a raw mime_type (e.g. 'video/raw') and uncompressed
    /// format details for the encoder to use when reading buffers.
    ///
    /// To be elibigible an encoder must support the input format.
    pub input_details: Option<fidl_fuchsia_media::FormatDetails>,
    /// If true, require that the returned codec is HW-accelerated.
    ///
    /// If not set, interpreted as false.
    pub require_hw: Option<bool>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for CreateEncoderParams {}

/// Specification of the supported parameters of a given video decoder.
///
/// Fields in this table with the same name as fields in CodecDescription have the same meaning as
/// the fields in the CodecDescription struct when the corresponding field in this table is set.
///
/// When a corresponding field is un-set, each of these fields is interpreted according to the
/// corresponding doc comment on the field in this table (doc comments on fields in the
/// CodecDescription struct re. struct field defaults are not relevant to the interpretation of
/// un-set fields of this table).
///
/// For video decoders, the following is always required:
///   * Handling split input payload (distinct from split header), when an input frame is too large
///     for a single input buffer.  The next portion (possibly the remainder) of the timstamped
///     input chunk is delivered in the next input packet.
///
/// For audio decoders, the following is always required:
///   * Concatenation of multiple compressed audio chunks via the input is always permitted.
#[derive(Clone, Debug, Default, PartialEq)]
pub struct DecoderProfileDescription {
    /// The codec profile that this decoder supports. If the client wants to use this
    /// profile, the requirements specified in this table must be adhered to.
    pub profile: Option<fidl_fuchsia_media::CodecProfile>,
    /// The minimum image size this decoder supports for the given |profile|.
    /// Decoders must set this field, and this field must specify a size that is
    /// >= the min size defined for the profile in the codec spec.
    ///
    /// This size refers to the pixel layout in memory, not the display_rect which can be smaller
    /// than the fuchsia.Images2.ImageFormat.size / fuchsia.sysmem.ImageFormat2.coded_width/height.
    pub min_image_size: Option<fidl_fuchsia_math::SizeU>,
    /// The maximum image size this decoder supports for the given |profile|.
    ///
    /// Decoders must set this field, and this field must specify a size that is <= the max size
    /// defined for the profile in the codec spec.
    ///
    /// This size refers to the pixel layout in memory, not the display_rect which can be smaller
    /// than the fuchsia.Images2.ImageFormat.size / fuchsia.sysmem.ImageFormat2.coded_width/height.
    ///
    /// By setting this field, a decoder is not required to fail to decode a stream that specifies a
    /// size that is larger than the profile of the stream would normally allow. The decoder may or
    /// may not fail to decode a stream which is not a listed profile or not within the size bounds
    /// of a listed profile.
    pub max_image_size: Option<fidl_fuchsia_math::SizeU>,
    /// This |profile| entry can apply to encrypted input data. If require_encryption is false or
    /// unset, this |profile| entry can also apply to unencrypted input data.
    ///
    /// This will be un-set (even when allow_input_protection or require_input_protection are true)
    /// until Fuchsia supports decryption as part of decode (in contrast to it being a separate step
    /// involving protected memory in between).  When allow_encryption is false/un-set but
    /// allow_input_protection is true, a client setting up DRM decode should set up decryption as a
    /// separate step prior to decode with protected memory in between the decrypt and decode.
    pub allow_encryption: Option<bool>,
    /// This |profile| entry applies only when input data is encrypted.  This |profile| entry does
    /// not apply for unencrypted input data.  Un-set is interepted as false.
    ///
    /// If this is set to true and there is no profile with require_encryption false in the same
    /// DetailedCodecDescription, then this decoder only supports encrypted input.
    ///
    /// This will be un-set until Fuchsia supports decryption as part of decode (even when
    /// allow_input_protection or require_input_protection are true).  See also allow_encryption,
    /// allow_input_protection, require_input_protection.
    pub require_encryption: Option<bool>,
    /// This |profile| entry can apply when input data delivered via protected memory.  Whether to
    /// protect input and which protected "heap" to use (if protecting input) is determined during
    /// sysmem constraints aggregation and via DRM mechanisms.  See also require_input_protection,
    /// allow_encryption, require_encryption.
    pub allow_input_protection: Option<bool>,
    /// This |profile| entry applies only when input data is delivered via protected memory. Whether
    /// to protect input and which protected "heap" to use (if protecting input) is determined
    /// during sysmem constraints aggregation, and by separate DRM mechanisms.
    ///
    /// If this is set to true and there is no profile with require_input_protection false in the
    /// same DetailedCodecDescription, then this decoder only supports protected input.
    ///
    /// Output protection is negotiated separately during output buffer constraints aggregation in
    /// sysmem, and via DRM mechanisms.
    ///
    /// See also allow_input_protection, allow_encryption, require_encryption.
    pub require_input_protection: Option<bool>,
    /// If set to true, the decoder can handle an input chunk payload (containing compressed data)
    /// that's split across a packet boundary (between header and payload, or between payload
    /// bytes), and the decoder can also handle more than one input chunk containing compressed
    /// input data in a single input packet. See also split_header_handling to determine if the
    /// decoder can also handle split headers.
    ///
    /// Un-set means false.
    ///
    /// While this field always indicates whether it's ok to split an input chunk across a packet
    /// boundary or not, and this field being set always implies it's ok to have a single input
    /// packet with bytes from more than one input chunk including when the input chunks contain
    /// compressed input data, there is some additional somewhat-subtle meaning that differs between
    /// video and audio decoders.
    ///
    /// Audio decoders are always required to permit more than one input chunk in a single input
    /// packet, including mulitple input chunks which each contain compressed input data (not just
    /// prepended "context" headers), regardless of this field being set or unset.  For audio
    /// decoders, this field only indicates whether splitting an input chunk across packets is
    /// allowed.
    ///
    /// Audio decoders shouldn't set split_header_handling to true unless they also set
    /// can_stream_bytes_input to true, since allowing splitting header bytes is meaningless unless
    /// it's allowed to split an input chunk.
    ///
    /// For video decoders, if this field is un-set or false, the decoder may not be able to handle
    /// bytes of more than one input chunk in a single input packet.  However, for all decoders
    /// (both video and audio) it's always ok for preceding "context" headers such as the h264 SPS
    /// and PPS headers to be in the same input packet as the following input chunk containing
    /// compressed input data such as an h264 slice (for example).  A video decoder is always
    /// required to permit continuation of an input chunk in the next packet, with the split between
    /// header byte and compressed input data byte or between two compressed input data bytes (but
    /// not necessarily between two header bytes; see also split_header_handling).
    ///
    /// It's expected to be fairly common for a decoder to set can_stream_bytes_input to true, but
    /// leave split_header_handling un-set or set split_header_handling to false, due to parsing
    /// limitations in the HW, FW, or driver.  Decoders which set can_stream_bytes_input false or
    /// leave can_stream_bytes_input un-set may be forcing input data to be re-packed in some
    /// scenarios.  Profiles which set allow_encryption are encouraged to also set
    /// can_stream_bytes_input if feasible, as re-packing input data can be more difficult in some
    /// scenarios involving encryption.
    pub can_stream_bytes_input: Option<bool>,
    /// If set to true, the decoder can scan forward at the start of a stream to find the start of
    /// the first fully-present input chunk, even if the input data starts at a byte that's in the
    /// middle of a chunk.
    ///
    /// For both video and audio decoders, setting this field to true also indicates the ability to
    /// handle (skip or only partly use) any input chunks that are not possible to decode (or not
    /// possible to fully decode) due to lack of referenced prior data.
    ///
    /// If un-set or false, the decoder may not be able to scan forward to sync up with the input
    /// stream unless the input stream starts with the beginning of a suitable chunk.
    pub can_find_start: Option<bool>,
    /// If set to true, the decoder can resynchronize with the input stream (eventually) despite a
    /// missing input chunk, and can handle partial input chunks without failing the stream or the
    /// StreamProcessor control connection.
    pub can_re_sync: Option<bool>,
    /// If set to true, the decoder makes efforts to indicate partial or detected-as-missing or
    /// detected-as-corrupt input chunks by setting error_detected_before and/or
    /// error_detected_during as appropriate.  Even when this field is set to true, it is worth
    /// noting that in general it is not possible for a decoder to detect all possible data
    /// corruptions, as codecs generally aren't inclined to include error detection bits within the
    /// stream.  This is not a replacment for a real (as in robust with high probability against
    /// random bit flips and bit insertion/deletion) data integrity check.
    pub will_report_all_detected_errors: Option<bool>,
    /// If set to true, the decoder can handle the bytes of any header being split across packet
    /// boundaries.  If false or un-set, the decoder requires all header bytes of a header to be
    /// within the same packet.
    ///
    /// Starting a new packet at the spec-defined boundary between two headers that are officially
    /// in separate input chunks is always permitted.
    ///
    /// For purposes of this field, headers like the h264 SPS and PPS headers are considered
    /// separate input chunks, and so such headers that have their own input chunk can be delivered
    /// in a separate packet regardless of the setting of this field, and a subsequent h264 slice
    /// header can be in yet another packet.
    ///
    /// It is always permissible regardless of the setting of this field for "context" headers (such
    /// as h264 SPS and PPS headers) to be delivered in the same packet as the subsequent chunk
    /// which conveys compressed image data (such as an h264 slice).
    ///
    /// Splitting a single header between codec_oob_bytes and the stream data is never supported (as
    /// in, never to be relied on by clients), not even when this field is set to true.
    ///
    /// See also can_stream_bytes_input.
    ///
    /// Video decoders with can_stream_bytes_input true but split_header_handling false can handle
    /// continuing an chunk in the next packet when split between header and payload or between
    /// payload bytes, and can handle bytes of more than one input chunk in a single input packet,
    /// but cannot handle splitting a header across packets. Video decoders with
    /// can_stream_bytes_input false and split_header_handling true cannot tolerate bytes of more
    /// than one input chunk in a single packet, but can tolerate continuation of an input chunk in
    /// a following packet regardless of where the split occurs (such as in the middle of an h264
    /// SPS, PPS, or slice header).
    ///
    /// Audio decoders shouldn't set split_header_handling to true unless they also set
    /// can_stream_bytes_input to true, since for an audio decoder, allowing splitting header bytes
    /// is meaningless (for audio decoders) unless also allowing splitting an input chunk.
    pub split_header_handling: Option<bool>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for DecoderProfileDescription {}

/// Clients needing codec information prior to just requesting a codec with
/// CodecFactory.CreateDecoder or CodecFactory.CreateEncoder should use GetDetailedCodecDescriptions
/// to get this table, which has details re. the codec and the profile entries supported by the
/// codec.
///
/// Clients with no real need for codec information prior to requesting a codec can simply use
/// CodecFactory.CreateDecoder or CodecFactory.CreateEncoder with relevant requirements set in that
/// request, and then call StreamProcessor.Sync (round trip) to see if a codec was created
/// successfully.
#[derive(Clone, Debug, Default, PartialEq)]
pub struct DetailedCodecDescription {
    /// Decoder or encoder.
    pub codec_type: Option<CodecType>,
    /// The mime type of the compressed format.  For decoders this is the mime
    /// type of the input.  For encoders, this is the mime type of the output.
    pub mime_type: Option<String>,
    /// If this decoder/encoder uses underlying hardware to perform its operations.
    pub is_hw: Option<bool>,
    /// A list of profile descriptions that describe what codec profiles this
    /// encoder/decoder supports along with requirements for using each profile.
    pub profile_descriptions: Option<ProfileDescriptions>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for DetailedCodecDescription {}

#[derive(Clone, Debug, Default, PartialEq)]
pub struct EncoderProfileDescription {
    pub profile: Option<fidl_fuchsia_media::CodecProfile>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for EncoderProfileDescription {}

#[derive(Clone, Debug, PartialEq)]
pub enum ProfileDescriptions {
    /// A list of |DecoderProfileDescription| that describe what codec profiles this
    /// decoder supports along with requirements that must be adhered to if the client
    /// is to use the decoder. The CodecFactory guarantees to the client that each
    /// |DecoderProfileDescription| within |decoder_profile_descriptions| will have an
    /// unique |profile|.
    DecoderProfileDescriptions(Vec<DecoderProfileDescription>),
    EncoderProfileDescriptions(Vec<EncoderProfileDescription>),
}

impl ProfileDescriptions {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::DecoderProfileDescriptions(_) => 1,
            Self::EncoderProfileDescriptions(_) => 2,
        }
    }

    #[deprecated = "Strict unions should not use `is_unknown`"]
    #[inline]
    pub fn is_unknown(&self) -> bool {
        false
    }
}

impl fidl::Persistable for ProfileDescriptions {}

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct CodecFactoryMarker;

impl fidl::endpoints::ProtocolMarker for CodecFactoryMarker {
    type Proxy = CodecFactoryProxy;
    type RequestStream = CodecFactoryRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = CodecFactorySynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.mediacodec.CodecFactory";
}
impl fidl::endpoints::DiscoverableProtocolMarker for CodecFactoryMarker {}

pub trait CodecFactoryProxyInterface: Send + Sync {
    type GetDetailedCodecDescriptionsResponseFut: std::future::Future<
            Output = Result<CodecFactoryGetDetailedCodecDescriptionsResponse, fidl::Error>,
        > + Send;
    fn r#get_detailed_codec_descriptions(&self) -> Self::GetDetailedCodecDescriptionsResponseFut;
    fn r#create_decoder(
        &self,
        decoder_params: &CreateDecoderParams,
        decoder: fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
    ) -> Result<(), fidl::Error>;
    fn r#create_encoder(
        &self,
        encoder_params: &CreateEncoderParams,
        encoder: fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
    ) -> Result<(), fidl::Error>;
    fn r#attach_lifetime_tracking(&self, codec_end: fidl::EventPair) -> Result<(), fidl::Error>;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct CodecFactorySynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for CodecFactorySynchronousProxy {
    type Proxy = CodecFactoryProxy;
    type Protocol = CodecFactoryMarker;

    fn from_channel(inner: fidl::Channel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    fn as_channel(&self) -> &fidl::Channel {
        self.client.as_channel()
    }
}

#[cfg(target_os = "fuchsia")]
impl CodecFactorySynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <CodecFactoryMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

    pub fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    /// Waits until an event arrives and returns it. It is safe for other
    /// threads to make concurrent requests while waiting for an event.
    pub fn wait_for_event(
        &self,
        deadline: zx::MonotonicInstant,
    ) -> Result<CodecFactoryEvent, fidl::Error> {
        CodecFactoryEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// A client should call |GetDetailedCodecDescriptions()| to get a list of
    /// codecs supported either by software implementations or by underlying hardware.
    pub fn r#get_detailed_codec_descriptions(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<CodecFactoryGetDetailedCodecDescriptionsResponse, fidl::Error> {
        let _response = self.client.send_query::<
            fidl::encoding::EmptyPayload,
            CodecFactoryGetDetailedCodecDescriptionsResponse,
        >(
            (),
            0x7a3a1c956352d49a,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response)
    }

    /// CreateDecoder:
    ///
    /// decoder_params - See CreateDecoder_Params comments for required
    /// and optional parameters for creating a decoder.
    ///
    /// decoder - a Codec.NewRequest() which will hopefully be connected to
    /// a Codec server, or the Codec channel will get closed if no suitable
    /// codec can be found.  We don't return any additional Codec-specific
    /// status here because finding the Codec is allowed to be fully async, so
    /// we don't necessarily yet know on return from this method which Codec
    /// will be selected, if any.
    ///
    /// Rough sequence to create a decoder:
    ///
    /// factory = ConnectToEnvironmentService(CodecFactory);
    /// CreateDecoder_Params params;
    /// [fill out params]
    /// CreateDecoder(params, decoder_request);
    ///
    /// See use_media_decoder code for more detail.
    pub fn r#create_decoder(
        &self,
        mut decoder_params: &CreateDecoderParams,
        mut decoder: fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
    ) -> Result<(), fidl::Error> {
        self.client.send::<CodecFactoryCreateDecoderRequest>(
            (decoder_params, decoder),
            0x72a3c2035a1e94f0,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    /// CreateEncoder:
    ///
    /// encoder_params - See CreateEncoder_Params comments for required
    /// and optional parameters for creating a decoder.
    ///
    /// encoder - a Codec.NewRequest() which will hopefully be connected to
    /// a Codec server, or the Codec channel will get closed if no suitable
    /// codec can be found.  We don't return any additional Codec-specific
    /// status here because finding the Codec is allowed to be fully async, so
    /// we don't necessarily yet know on return from this method which Codec
    /// will be selected, if any.
    pub fn r#create_encoder(
        &self,
        mut encoder_params: &CreateEncoderParams,
        mut encoder: fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
    ) -> Result<(), fidl::Error> {
        self.client.send::<CodecFactoryCreateEncoderRequest>(
            (encoder_params, encoder),
            0x20c3a235602eed0f,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    /// AttachLifetimeTracking:
    ///
    /// Attach an eventpair endpoint to the next Create{X}(), so that the
    /// codec_end will be closed when the number of buffers allocated reaches
    /// 'buffers_remaining'.  Multiple eventpair endpoints can be attached per
    /// create, with an enforced limit of
    /// CODEC_FACTORY_LIFETIME_TRACKING_EVENTPAIR_PER_CREATE_MAX.
    ///
    /// The lifetime signalled by this event is intended to track all resources
    /// used by the codec, including sysmem-allocated buffers created internally
    /// by the codec.  The sysmem buffer collections visible to the client, for
    /// input and output buffers, are not included in the resources tracked
    /// here, because those can be tracked separately via
    /// fuchsia.sysmem.BufferCollection.AttachLifetimeTracking().  It is
    /// permitted to send a duplicate of codec_end to both this
    /// AttachLifetimeTracking() and also to
    /// fuchsia.sysmem.BufferCollection.AttachLifetimeTracking().
    /// The ZX_EVENTPAIR_PEER_CLOSED will happen when both/all lifetimes are
    /// fully over.  This conveniently avoids needing multiple separate async
    /// waits by the client.
    ///
    /// In the case of server process crashes, or failure of a codec to plumb
    /// codec_end to sysmem, ZX_EVENTPAIR_PEER_CLOSED signalled on the peer of
    /// codec_end may occur shortly before all resources are freed.
    ///
    /// A maximum of CODEC_FACTORY_LIFETIME_TRACKING_EVENTPAIR_PER_CREATE_MAX
    /// calls to AttachLifetimeTracking() are allowed
    /// before any Create{X}().  There is no way to cancel an attach short of
    /// closing the CodecFactory channel.  Closing the client end of the
    /// eventpair doesn't subtract from the number of pending attach(es).  For
    /// this reason, it can be good to only send attach message(s) immediately
    /// before the relevant Create{X}(), when it's known by the client that both
    /// the attach message(s) and the Create{X}() messages will be sent.
    ///
    /// Closing the client's end doesn't result in any action by the server.
    /// If the server listens to events from the client end at all, it is for
    /// debug logging only.
    ///
    /// The server intentionally doesn't "trust" any bits signalled by the
    /// client.  This mechanism intentionally uses only ZX_EVENTPAIR_PEER_CLOSED
    /// which can't be triggered early, and is only triggered when all handles
    /// to codec_end are closed.  No meaning is associated with any of the other
    /// signal bits, and clients should functionally ignore any other signal
    /// bits on either end of the eventpair or its peer.
    ///
    /// The codec_end may lack ZX_RIGHT_SIGNAL or ZX_RIGHT_SIGNAL_PEER, but must
    /// have ZX_RIGHT_DUPLICATE (and must have ZX_RIGHT_TRANSFER to transfer
    /// without causing CodecFactory channel failure).
    pub fn r#attach_lifetime_tracking(
        &self,
        mut codec_end: fidl::EventPair,
    ) -> Result<(), fidl::Error> {
        self.client.send::<CodecFactoryAttachLifetimeTrackingRequest>(
            (codec_end,),
            0x1086674ad2568498,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[derive(Debug, Clone)]
pub struct CodecFactoryProxy {
    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl fidl::endpoints::Proxy for CodecFactoryProxy {
    type Protocol = CodecFactoryMarker;

    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &::fidl::AsyncChannel {
        self.client.as_channel()
    }
}

impl CodecFactoryProxy {
    /// Create a new Proxy for fuchsia.mediacodec/CodecFactory.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <CodecFactoryMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> CodecFactoryEventStream {
        CodecFactoryEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// A client should call |GetDetailedCodecDescriptions()| to get a list of
    /// codecs supported either by software implementations or by underlying hardware.
    pub fn r#get_detailed_codec_descriptions(
        &self,
    ) -> fidl::client::QueryResponseFut<
        CodecFactoryGetDetailedCodecDescriptionsResponse,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        CodecFactoryProxyInterface::r#get_detailed_codec_descriptions(self)
    }

    /// CreateDecoder:
    ///
    /// decoder_params - See CreateDecoder_Params comments for required
    /// and optional parameters for creating a decoder.
    ///
    /// decoder - a Codec.NewRequest() which will hopefully be connected to
    /// a Codec server, or the Codec channel will get closed if no suitable
    /// codec can be found.  We don't return any additional Codec-specific
    /// status here because finding the Codec is allowed to be fully async, so
    /// we don't necessarily yet know on return from this method which Codec
    /// will be selected, if any.
    ///
    /// Rough sequence to create a decoder:
    ///
    /// factory = ConnectToEnvironmentService(CodecFactory);
    /// CreateDecoder_Params params;
    /// [fill out params]
    /// CreateDecoder(params, decoder_request);
    ///
    /// See use_media_decoder code for more detail.
    pub fn r#create_decoder(
        &self,
        mut decoder_params: &CreateDecoderParams,
        mut decoder: fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
    ) -> Result<(), fidl::Error> {
        CodecFactoryProxyInterface::r#create_decoder(self, decoder_params, decoder)
    }

    /// CreateEncoder:
    ///
    /// encoder_params - See CreateEncoder_Params comments for required
    /// and optional parameters for creating a decoder.
    ///
    /// encoder - a Codec.NewRequest() which will hopefully be connected to
    /// a Codec server, or the Codec channel will get closed if no suitable
    /// codec can be found.  We don't return any additional Codec-specific
    /// status here because finding the Codec is allowed to be fully async, so
    /// we don't necessarily yet know on return from this method which Codec
    /// will be selected, if any.
    pub fn r#create_encoder(
        &self,
        mut encoder_params: &CreateEncoderParams,
        mut encoder: fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
    ) -> Result<(), fidl::Error> {
        CodecFactoryProxyInterface::r#create_encoder(self, encoder_params, encoder)
    }

    /// AttachLifetimeTracking:
    ///
    /// Attach an eventpair endpoint to the next Create{X}(), so that the
    /// codec_end will be closed when the number of buffers allocated reaches
    /// 'buffers_remaining'.  Multiple eventpair endpoints can be attached per
    /// create, with an enforced limit of
    /// CODEC_FACTORY_LIFETIME_TRACKING_EVENTPAIR_PER_CREATE_MAX.
    ///
    /// The lifetime signalled by this event is intended to track all resources
    /// used by the codec, including sysmem-allocated buffers created internally
    /// by the codec.  The sysmem buffer collections visible to the client, for
    /// input and output buffers, are not included in the resources tracked
    /// here, because those can be tracked separately via
    /// fuchsia.sysmem.BufferCollection.AttachLifetimeTracking().  It is
    /// permitted to send a duplicate of codec_end to both this
    /// AttachLifetimeTracking() and also to
    /// fuchsia.sysmem.BufferCollection.AttachLifetimeTracking().
    /// The ZX_EVENTPAIR_PEER_CLOSED will happen when both/all lifetimes are
    /// fully over.  This conveniently avoids needing multiple separate async
    /// waits by the client.
    ///
    /// In the case of server process crashes, or failure of a codec to plumb
    /// codec_end to sysmem, ZX_EVENTPAIR_PEER_CLOSED signalled on the peer of
    /// codec_end may occur shortly before all resources are freed.
    ///
    /// A maximum of CODEC_FACTORY_LIFETIME_TRACKING_EVENTPAIR_PER_CREATE_MAX
    /// calls to AttachLifetimeTracking() are allowed
    /// before any Create{X}().  There is no way to cancel an attach short of
    /// closing the CodecFactory channel.  Closing the client end of the
    /// eventpair doesn't subtract from the number of pending attach(es).  For
    /// this reason, it can be good to only send attach message(s) immediately
    /// before the relevant Create{X}(), when it's known by the client that both
    /// the attach message(s) and the Create{X}() messages will be sent.
    ///
    /// Closing the client's end doesn't result in any action by the server.
    /// If the server listens to events from the client end at all, it is for
    /// debug logging only.
    ///
    /// The server intentionally doesn't "trust" any bits signalled by the
    /// client.  This mechanism intentionally uses only ZX_EVENTPAIR_PEER_CLOSED
    /// which can't be triggered early, and is only triggered when all handles
    /// to codec_end are closed.  No meaning is associated with any of the other
    /// signal bits, and clients should functionally ignore any other signal
    /// bits on either end of the eventpair or its peer.
    ///
    /// The codec_end may lack ZX_RIGHT_SIGNAL or ZX_RIGHT_SIGNAL_PEER, but must
    /// have ZX_RIGHT_DUPLICATE (and must have ZX_RIGHT_TRANSFER to transfer
    /// without causing CodecFactory channel failure).
    pub fn r#attach_lifetime_tracking(
        &self,
        mut codec_end: fidl::EventPair,
    ) -> Result<(), fidl::Error> {
        CodecFactoryProxyInterface::r#attach_lifetime_tracking(self, codec_end)
    }
}

impl CodecFactoryProxyInterface for CodecFactoryProxy {
    type GetDetailedCodecDescriptionsResponseFut = fidl::client::QueryResponseFut<
        CodecFactoryGetDetailedCodecDescriptionsResponse,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#get_detailed_codec_descriptions(&self) -> Self::GetDetailedCodecDescriptionsResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<CodecFactoryGetDetailedCodecDescriptionsResponse, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                CodecFactoryGetDetailedCodecDescriptionsResponse,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x7a3a1c956352d49a,
            >(_buf?)?;
            Ok(_response)
        }
        self.client.send_query_and_decode::<
            fidl::encoding::EmptyPayload,
            CodecFactoryGetDetailedCodecDescriptionsResponse,
        >(
            (),
            0x7a3a1c956352d49a,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    fn r#create_decoder(
        &self,
        mut decoder_params: &CreateDecoderParams,
        mut decoder: fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
    ) -> Result<(), fidl::Error> {
        self.client.send::<CodecFactoryCreateDecoderRequest>(
            (decoder_params, decoder),
            0x72a3c2035a1e94f0,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    fn r#create_encoder(
        &self,
        mut encoder_params: &CreateEncoderParams,
        mut encoder: fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
    ) -> Result<(), fidl::Error> {
        self.client.send::<CodecFactoryCreateEncoderRequest>(
            (encoder_params, encoder),
            0x20c3a235602eed0f,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    fn r#attach_lifetime_tracking(
        &self,
        mut codec_end: fidl::EventPair,
    ) -> Result<(), fidl::Error> {
        self.client.send::<CodecFactoryAttachLifetimeTrackingRequest>(
            (codec_end,),
            0x1086674ad2568498,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

pub struct CodecFactoryEventStream {
    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl std::marker::Unpin for CodecFactoryEventStream {}

impl futures::stream::FusedStream for CodecFactoryEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for CodecFactoryEventStream {
    type Item = Result<CodecFactoryEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => std::task::Poll::Ready(Some(CodecFactoryEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

#[derive(Debug)]
pub enum CodecFactoryEvent {
    OnCodecList { codecs: Vec<CodecDescription> },
}

impl CodecFactoryEvent {
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_codec_list(self) -> Option<Vec<CodecDescription>> {
        if let CodecFactoryEvent::OnCodecList { codecs } = self {
            Some((codecs))
        } else {
            None
        }
    }

    /// Decodes a message buffer as a [`CodecFactoryEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<CodecFactoryEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            0x2f93e3d51ff1ace0 => {
                let mut out = fidl::new_empty!(
                    CodecFactoryOnCodecListRequest,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                );
                fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<CodecFactoryOnCodecListRequest>(&tx_header, _body_bytes, _handles, &mut out)?;
                Ok((CodecFactoryEvent::OnCodecList { codecs: out.codecs }))
            }
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <CodecFactoryMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.mediacodec/CodecFactory.
pub struct CodecFactoryRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

impl std::marker::Unpin for CodecFactoryRequestStream {}

impl futures::stream::FusedStream for CodecFactoryRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fidl::endpoints::RequestStream for CodecFactoryRequestStream {
    type Protocol = CodecFactoryMarker;
    type ControlHandle = CodecFactoryControlHandle;

    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        CodecFactoryControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(
        self,
    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
    {
        (self.inner, self.is_terminated)
    }

    fn from_inner(
        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
        is_terminated: bool,
    ) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for CodecFactoryRequestStream {
    type Item = Result<CodecFactoryRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled CodecFactoryRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
            |bytes, handles| {
                match this.inner.channel().read_etc(cx, bytes, handles) {
                    std::task::Poll::Ready(Ok(())) => {}
                    std::task::Poll::Pending => return std::task::Poll::Pending,
                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                        this.is_terminated = true;
                        return std::task::Poll::Ready(None);
                    }
                    std::task::Poll::Ready(Err(e)) => {
                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
                            e.into(),
                        ))))
                    }
                }

                // A message has been received from the channel
                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

                std::task::Poll::Ready(Some(match header.ordinal {
                    0x7a3a1c956352d49a => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle =
                            CodecFactoryControlHandle { inner: this.inner.clone() };
                        Ok(CodecFactoryRequest::GetDetailedCodecDescriptions {
                            responder: CodecFactoryGetDetailedCodecDescriptionsResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x72a3c2035a1e94f0 => {
                        header.validate_request_tx_id(fidl::MethodType::OneWay)?;
                        let mut req = fidl::new_empty!(
                            CodecFactoryCreateDecoderRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<CodecFactoryCreateDecoderRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle =
                            CodecFactoryControlHandle { inner: this.inner.clone() };
                        Ok(CodecFactoryRequest::CreateDecoder {
                            decoder_params: req.decoder_params,
                            decoder: req.decoder,

                            control_handle,
                        })
                    }
                    0x20c3a235602eed0f => {
                        header.validate_request_tx_id(fidl::MethodType::OneWay)?;
                        let mut req = fidl::new_empty!(
                            CodecFactoryCreateEncoderRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<CodecFactoryCreateEncoderRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle =
                            CodecFactoryControlHandle { inner: this.inner.clone() };
                        Ok(CodecFactoryRequest::CreateEncoder {
                            encoder_params: req.encoder_params,
                            encoder: req.encoder,

                            control_handle,
                        })
                    }
                    0x1086674ad2568498 => {
                        header.validate_request_tx_id(fidl::MethodType::OneWay)?;
                        let mut req = fidl::new_empty!(
                            CodecFactoryAttachLifetimeTrackingRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<CodecFactoryAttachLifetimeTrackingRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle =
                            CodecFactoryControlHandle { inner: this.inner.clone() };
                        Ok(CodecFactoryRequest::AttachLifetimeTracking {
                            codec_end: req.codec_end,

                            control_handle,
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <CodecFactoryMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// The purpose of the media::CodecFactory interface is to create
/// media::StreamProcessor instances for decoders and encoders.
///
/// The interface methods don't attempt to homogenize all codec types,
/// preferring to have a separate dedicated message for decoders.
#[derive(Debug)]
pub enum CodecFactoryRequest {
    /// A client should call |GetDetailedCodecDescriptions()| to get a list of
    /// codecs supported either by software implementations or by underlying hardware.
    GetDetailedCodecDescriptions { responder: CodecFactoryGetDetailedCodecDescriptionsResponder },
    /// CreateDecoder:
    ///
    /// decoder_params - See CreateDecoder_Params comments for required
    /// and optional parameters for creating a decoder.
    ///
    /// decoder - a Codec.NewRequest() which will hopefully be connected to
    /// a Codec server, or the Codec channel will get closed if no suitable
    /// codec can be found.  We don't return any additional Codec-specific
    /// status here because finding the Codec is allowed to be fully async, so
    /// we don't necessarily yet know on return from this method which Codec
    /// will be selected, if any.
    ///
    /// Rough sequence to create a decoder:
    ///
    /// factory = ConnectToEnvironmentService(CodecFactory);
    /// CreateDecoder_Params params;
    /// [fill out params]
    /// CreateDecoder(params, decoder_request);
    ///
    /// See use_media_decoder code for more detail.
    CreateDecoder {
        decoder_params: CreateDecoderParams,
        decoder: fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
        control_handle: CodecFactoryControlHandle,
    },
    /// CreateEncoder:
    ///
    /// encoder_params - See CreateEncoder_Params comments for required
    /// and optional parameters for creating a decoder.
    ///
    /// encoder - a Codec.NewRequest() which will hopefully be connected to
    /// a Codec server, or the Codec channel will get closed if no suitable
    /// codec can be found.  We don't return any additional Codec-specific
    /// status here because finding the Codec is allowed to be fully async, so
    /// we don't necessarily yet know on return from this method which Codec
    /// will be selected, if any.
    CreateEncoder {
        encoder_params: CreateEncoderParams,
        encoder: fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
        control_handle: CodecFactoryControlHandle,
    },
    /// AttachLifetimeTracking:
    ///
    /// Attach an eventpair endpoint to the next Create{X}(), so that the
    /// codec_end will be closed when the number of buffers allocated reaches
    /// 'buffers_remaining'.  Multiple eventpair endpoints can be attached per
    /// create, with an enforced limit of
    /// CODEC_FACTORY_LIFETIME_TRACKING_EVENTPAIR_PER_CREATE_MAX.
    ///
    /// The lifetime signalled by this event is intended to track all resources
    /// used by the codec, including sysmem-allocated buffers created internally
    /// by the codec.  The sysmem buffer collections visible to the client, for
    /// input and output buffers, are not included in the resources tracked
    /// here, because those can be tracked separately via
    /// fuchsia.sysmem.BufferCollection.AttachLifetimeTracking().  It is
    /// permitted to send a duplicate of codec_end to both this
    /// AttachLifetimeTracking() and also to
    /// fuchsia.sysmem.BufferCollection.AttachLifetimeTracking().
    /// The ZX_EVENTPAIR_PEER_CLOSED will happen when both/all lifetimes are
    /// fully over.  This conveniently avoids needing multiple separate async
    /// waits by the client.
    ///
    /// In the case of server process crashes, or failure of a codec to plumb
    /// codec_end to sysmem, ZX_EVENTPAIR_PEER_CLOSED signalled on the peer of
    /// codec_end may occur shortly before all resources are freed.
    ///
    /// A maximum of CODEC_FACTORY_LIFETIME_TRACKING_EVENTPAIR_PER_CREATE_MAX
    /// calls to AttachLifetimeTracking() are allowed
    /// before any Create{X}().  There is no way to cancel an attach short of
    /// closing the CodecFactory channel.  Closing the client end of the
    /// eventpair doesn't subtract from the number of pending attach(es).  For
    /// this reason, it can be good to only send attach message(s) immediately
    /// before the relevant Create{X}(), when it's known by the client that both
    /// the attach message(s) and the Create{X}() messages will be sent.
    ///
    /// Closing the client's end doesn't result in any action by the server.
    /// If the server listens to events from the client end at all, it is for
    /// debug logging only.
    ///
    /// The server intentionally doesn't "trust" any bits signalled by the
    /// client.  This mechanism intentionally uses only ZX_EVENTPAIR_PEER_CLOSED
    /// which can't be triggered early, and is only triggered when all handles
    /// to codec_end are closed.  No meaning is associated with any of the other
    /// signal bits, and clients should functionally ignore any other signal
    /// bits on either end of the eventpair or its peer.
    ///
    /// The codec_end may lack ZX_RIGHT_SIGNAL or ZX_RIGHT_SIGNAL_PEER, but must
    /// have ZX_RIGHT_DUPLICATE (and must have ZX_RIGHT_TRANSFER to transfer
    /// without causing CodecFactory channel failure).
    AttachLifetimeTracking { codec_end: fidl::EventPair, control_handle: CodecFactoryControlHandle },
}

impl CodecFactoryRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_get_detailed_codec_descriptions(
        self,
    ) -> Option<(CodecFactoryGetDetailedCodecDescriptionsResponder)> {
        if let CodecFactoryRequest::GetDetailedCodecDescriptions { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_create_decoder(
        self,
    ) -> Option<(
        CreateDecoderParams,
        fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
        CodecFactoryControlHandle,
    )> {
        if let CodecFactoryRequest::CreateDecoder { decoder_params, decoder, control_handle } = self
        {
            Some((decoder_params, decoder, control_handle))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_create_encoder(
        self,
    ) -> Option<(
        CreateEncoderParams,
        fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
        CodecFactoryControlHandle,
    )> {
        if let CodecFactoryRequest::CreateEncoder { encoder_params, encoder, control_handle } = self
        {
            Some((encoder_params, encoder, control_handle))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_attach_lifetime_tracking(
        self,
    ) -> Option<(fidl::EventPair, CodecFactoryControlHandle)> {
        if let CodecFactoryRequest::AttachLifetimeTracking { codec_end, control_handle } = self {
            Some((codec_end, control_handle))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            CodecFactoryRequest::GetDetailedCodecDescriptions { .. } => {
                "get_detailed_codec_descriptions"
            }
            CodecFactoryRequest::CreateDecoder { .. } => "create_decoder",
            CodecFactoryRequest::CreateEncoder { .. } => "create_encoder",
            CodecFactoryRequest::AttachLifetimeTracking { .. } => "attach_lifetime_tracking",
        }
    }
}

#[derive(Debug, Clone)]
pub struct CodecFactoryControlHandle {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
}

impl fidl::endpoints::ControlHandle for CodecFactoryControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }
    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }
    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }

    #[cfg(target_os = "fuchsia")]
    fn signal_peer(
        &self,
        clear_mask: zx::Signals,
        set_mask: zx::Signals,
    ) -> Result<(), zx_status::Status> {
        use fidl::Peered;
        self.inner.channel().signal_peer(clear_mask, set_mask)
    }
}

impl CodecFactoryControlHandle {
    pub fn send_on_codec_list(&self, mut codecs: &[CodecDescription]) -> Result<(), fidl::Error> {
        self.inner.send::<CodecFactoryOnCodecListRequest>(
            (codecs,),
            0,
            0x2f93e3d51ff1ace0,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct CodecFactoryGetDetailedCodecDescriptionsResponder {
    control_handle: std::mem::ManuallyDrop<CodecFactoryControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`CodecFactoryControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for CodecFactoryGetDetailedCodecDescriptionsResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for CodecFactoryGetDetailedCodecDescriptionsResponder {
    type ControlHandle = CodecFactoryControlHandle;

    fn control_handle(&self) -> &CodecFactoryControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl CodecFactoryGetDetailedCodecDescriptionsResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut payload: &CodecFactoryGetDetailedCodecDescriptionsResponse,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(payload);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut payload: &CodecFactoryGetDetailedCodecDescriptionsResponse,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(payload);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut payload: &CodecFactoryGetDetailedCodecDescriptionsResponse,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<CodecFactoryGetDetailedCodecDescriptionsResponse>(
            payload,
            self.tx_id,
            0x7a3a1c956352d49a,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

mod internal {
    use super::*;
    unsafe impl fidl::encoding::TypeMarker for CodecType {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            std::mem::align_of::<u32>()
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            std::mem::size_of::<u32>()
        }

        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            false
        }
    }

    impl fidl::encoding::ValueTypeMarker for CodecType {
        type Borrowed<'a> = Self;
        #[inline(always)]
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            *value
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Self, D> for CodecType {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Self>(offset);
            encoder.write_num(self.into_primitive(), offset);
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for CodecType {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::Decoder
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let prim = decoder.read_num::<u32>(offset);

            *self = Self::from_primitive(prim).ok_or(fidl::Error::InvalidEnumValue)?;
            Ok(())
        }
    }
    unsafe impl fidl::encoding::TypeMarker for SecureMemoryMode {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            std::mem::align_of::<u32>()
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            std::mem::size_of::<u32>()
        }

        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            false
        }
    }

    impl fidl::encoding::ValueTypeMarker for SecureMemoryMode {
        type Borrowed<'a> = Self;
        #[inline(always)]
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            *value
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Self, D>
        for SecureMemoryMode
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Self>(offset);
            encoder.write_num(self.into_primitive(), offset);
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for SecureMemoryMode {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::Off
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let prim = decoder.read_num::<u32>(offset);

            *self = Self::from_primitive(prim).ok_or(fidl::Error::InvalidEnumValue)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for CodecDescription {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for CodecDescription {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            32
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<CodecDescription, D>
        for &CodecDescription
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CodecDescription>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<CodecDescription, D>::encode(
                (
                    <CodecType as fidl::encoding::ValueTypeMarker>::borrow(&self.codec_type),
                    <fidl::encoding::BoundedString<256> as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.mime_type,
                    ),
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.can_stream_bytes_input),
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.can_find_start),
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.can_re_sync),
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.will_report_all_detected_errors,
                    ),
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.is_hw),
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.split_header_handling),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<CodecType, D>,
            T1: fidl::encoding::Encode<fidl::encoding::BoundedString<256>, D>,
            T2: fidl::encoding::Encode<bool, D>,
            T3: fidl::encoding::Encode<bool, D>,
            T4: fidl::encoding::Encode<bool, D>,
            T5: fidl::encoding::Encode<bool, D>,
            T6: fidl::encoding::Encode<bool, D>,
            T7: fidl::encoding::Encode<bool, D>,
        > fidl::encoding::Encode<CodecDescription, D> for (T0, T1, T2, T3, T4, T5, T6, T7)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CodecDescription>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(0);
                (ptr as *mut u64).write_unaligned(0);
            }
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(24);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 8, depth)?;
            self.2.encode(encoder, offset + 24, depth)?;
            self.3.encode(encoder, offset + 25, depth)?;
            self.4.encode(encoder, offset + 26, depth)?;
            self.5.encode(encoder, offset + 27, depth)?;
            self.6.encode(encoder, offset + 28, depth)?;
            self.7.encode(encoder, offset + 29, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for CodecDescription {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                codec_type: fidl::new_empty!(CodecType, D),
                mime_type: fidl::new_empty!(fidl::encoding::BoundedString<256>, D),
                can_stream_bytes_input: fidl::new_empty!(bool, D),
                can_find_start: fidl::new_empty!(bool, D),
                can_re_sync: fidl::new_empty!(bool, D),
                will_report_all_detected_errors: fidl::new_empty!(bool, D),
                is_hw: fidl::new_empty!(bool, D),
                split_header_handling: fidl::new_empty!(bool, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(0) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffff00000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 0 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(24) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffff000000000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 24 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(CodecType, D, &mut self.codec_type, decoder, offset + 0, _depth)?;
            fidl::decode!(
                fidl::encoding::BoundedString<256>,
                D,
                &mut self.mime_type,
                decoder,
                offset + 8,
                _depth
            )?;
            fidl::decode!(bool, D, &mut self.can_stream_bytes_input, decoder, offset + 24, _depth)?;
            fidl::decode!(bool, D, &mut self.can_find_start, decoder, offset + 25, _depth)?;
            fidl::decode!(bool, D, &mut self.can_re_sync, decoder, offset + 26, _depth)?;
            fidl::decode!(
                bool,
                D,
                &mut self.will_report_all_detected_errors,
                decoder,
                offset + 27,
                _depth
            )?;
            fidl::decode!(bool, D, &mut self.is_hw, decoder, offset + 28, _depth)?;
            fidl::decode!(bool, D, &mut self.split_header_handling, decoder, offset + 29, _depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for CodecFactoryAttachLifetimeTrackingRequest {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for CodecFactoryAttachLifetimeTrackingRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            4
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            4
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            CodecFactoryAttachLifetimeTrackingRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut CodecFactoryAttachLifetimeTrackingRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CodecFactoryAttachLifetimeTrackingRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<
                CodecFactoryAttachLifetimeTrackingRequest,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >::encode(
                (<fidl::encoding::HandleType<
                    fidl::EventPair,
                    { fidl::ObjectType::EVENTPAIR.into_raw() },
                    2147483648,
                > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                    &mut self.codec_end
                ),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<
                fidl::encoding::HandleType<
                    fidl::EventPair,
                    { fidl::ObjectType::EVENTPAIR.into_raw() },
                    2147483648,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        >
        fidl::encoding::Encode<
            CodecFactoryAttachLifetimeTrackingRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CodecFactoryAttachLifetimeTrackingRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for CodecFactoryAttachLifetimeTrackingRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                codec_end: fidl::new_empty!(fidl::encoding::HandleType<fidl::EventPair, { fidl::ObjectType::EVENTPAIR.into_raw() }, 2147483648>, fidl::encoding::DefaultFuchsiaResourceDialect),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(fidl::encoding::HandleType<fidl::EventPair, { fidl::ObjectType::EVENTPAIR.into_raw() }, 2147483648>, fidl::encoding::DefaultFuchsiaResourceDialect, &mut self.codec_end, decoder, offset + 0, _depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for CodecFactoryCreateDecoderRequest {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for CodecFactoryCreateDecoderRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            24
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            CodecFactoryCreateDecoderRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut CodecFactoryCreateDecoderRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CodecFactoryCreateDecoderRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<
                CodecFactoryCreateDecoderRequest,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >::encode(
                (
                    <CreateDecoderParams as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.decoder_params,
                    ),
                    <fidl::encoding::Endpoint<
                        fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
                    > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                        &mut self.decoder
                    ),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<
                CreateDecoderParams,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            T1: fidl::encoding::Encode<
                fidl::encoding::Endpoint<
                    fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        >
        fidl::encoding::Encode<
            CodecFactoryCreateDecoderRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CodecFactoryCreateDecoderRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(16);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 16, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for CodecFactoryCreateDecoderRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                decoder_params: fidl::new_empty!(
                    CreateDecoderParams,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
                decoder: fidl::new_empty!(
                    fidl::encoding::Endpoint<
                        fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
                    >,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(16) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffff00000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 16 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(
                CreateDecoderParams,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.decoder_params,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(
                fidl::encoding::Endpoint<
                    fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.decoder,
                decoder,
                offset + 16,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for CodecFactoryCreateEncoderRequest {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for CodecFactoryCreateEncoderRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            24
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            CodecFactoryCreateEncoderRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut CodecFactoryCreateEncoderRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CodecFactoryCreateEncoderRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<
                CodecFactoryCreateEncoderRequest,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >::encode(
                (
                    <CreateEncoderParams as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.encoder_params,
                    ),
                    <fidl::encoding::Endpoint<
                        fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
                    > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                        &mut self.encoder
                    ),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<
                CreateEncoderParams,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            T1: fidl::encoding::Encode<
                fidl::encoding::Endpoint<
                    fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        >
        fidl::encoding::Encode<
            CodecFactoryCreateEncoderRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CodecFactoryCreateEncoderRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(16);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 16, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for CodecFactoryCreateEncoderRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                encoder_params: fidl::new_empty!(
                    CreateEncoderParams,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
                encoder: fidl::new_empty!(
                    fidl::encoding::Endpoint<
                        fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
                    >,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(16) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffff00000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 16 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(
                CreateEncoderParams,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.encoder_params,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(
                fidl::encoding::Endpoint<
                    fidl::endpoints::ServerEnd<fidl_fuchsia_media::StreamProcessorMarker>,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.encoder,
                decoder,
                offset + 16,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for CodecFactoryOnCodecListRequest {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for CodecFactoryOnCodecListRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<CodecFactoryOnCodecListRequest, D>
        for &CodecFactoryOnCodecListRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CodecFactoryOnCodecListRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<CodecFactoryOnCodecListRequest, D>::encode(
                (
                    <fidl::encoding::Vector<CodecDescription, 256> as fidl::encoding::ValueTypeMarker>::borrow(&self.codecs),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<fidl::encoding::Vector<CodecDescription, 256>, D>,
        > fidl::encoding::Encode<CodecFactoryOnCodecListRequest, D> for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CodecFactoryOnCodecListRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for CodecFactoryOnCodecListRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { codecs: fidl::new_empty!(fidl::encoding::Vector<CodecDescription, 256>, D) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(fidl::encoding::Vector<CodecDescription, 256>, D, &mut self.codecs, decoder, offset + 0, _depth)?;
            Ok(())
        }
    }

    impl CodecFactoryGetDetailedCodecDescriptionsResponse {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.codecs {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for CodecFactoryGetDetailedCodecDescriptionsResponse {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for CodecFactoryGetDetailedCodecDescriptionsResponse {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<CodecFactoryGetDetailedCodecDescriptionsResponse, D>
        for &CodecFactoryGetDetailedCodecDescriptionsResponse
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CodecFactoryGetDetailedCodecDescriptionsResponse>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl::encoding::Vector<DetailedCodecDescription, 256>, D>(
            self.codecs.as_ref().map(<fidl::encoding::Vector<DetailedCodecDescription, 256> as fidl::encoding::ValueTypeMarker>::borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for CodecFactoryGetDetailedCodecDescriptionsResponse
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl::encoding::Vector<DetailedCodecDescription, 256> as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.codecs.get_or_insert_with(
                    || fidl::new_empty!(fidl::encoding::Vector<DetailedCodecDescription, 256>, D),
                );
                fidl::decode!(fidl::encoding::Vector<DetailedCodecDescription, 256>, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl CreateDecoderParams {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.require_sw {
                return 11;
            }
            if let Some(_) = self.secure_input_mode {
                return 10;
            }
            if let Some(_) = self.secure_output_mode {
                return 9;
            }
            if let Some(_) = self.permit_lack_of_split_header_handling {
                return 8;
            }
            if let Some(_) = self.require_hw {
                return 7;
            }
            if let Some(_) = self.require_report_all_detected_errors {
                return 6;
            }
            if let Some(_) = self.require_can_re_sync {
                return 5;
            }
            if let Some(_) = self.require_can_find_start {
                return 4;
            }
            if let Some(_) = self.require_can_stream_bytes_input {
                return 3;
            }
            if let Some(_) = self.promise_separate_access_units_on_input {
                return 2;
            }
            if let Some(_) = self.input_details {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for CreateDecoderParams {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for CreateDecoderParams {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<CreateDecoderParams, D>
        for &CreateDecoderParams
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CreateDecoderParams>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl_fuchsia_media::FormatDetails, D>(
                self.input_details.as_ref().map(
                    <fidl_fuchsia_media::FormatDetails as fidl::encoding::ValueTypeMarker>::borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 2 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (2 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.promise_separate_access_units_on_input
                    .as_ref()
                    .map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 3 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (3 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.require_can_stream_bytes_input
                    .as_ref()
                    .map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 4 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (4 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.require_can_find_start
                    .as_ref()
                    .map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 5 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (5 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.require_can_re_sync
                    .as_ref()
                    .map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 6 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (6 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.require_report_all_detected_errors
                    .as_ref()
                    .map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 7 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (7 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.require_hw.as_ref().map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 8 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (8 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.permit_lack_of_split_header_handling
                    .as_ref()
                    .map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 9 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (9 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<SecureMemoryMode, D>(
                self.secure_output_mode
                    .as_ref()
                    .map(<SecureMemoryMode as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 10 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (10 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<SecureMemoryMode, D>(
                self.secure_input_mode
                    .as_ref()
                    .map(<SecureMemoryMode as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 11 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (11 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.require_sw.as_ref().map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for CreateDecoderParams {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <fidl_fuchsia_media::FormatDetails as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .input_details
                    .get_or_insert_with(|| fidl::new_empty!(fidl_fuchsia_media::FormatDetails, D));
                fidl::decode!(
                    fidl_fuchsia_media::FormatDetails,
                    D,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 2 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .promise_separate_access_units_on_input
                    .get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 3 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .require_can_stream_bytes_input
                    .get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 4 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref =
                    self.require_can_find_start.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 5 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref =
                    self.require_can_re_sync.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 6 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .require_report_all_detected_errors
                    .get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 7 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.require_hw.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 8 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .permit_lack_of_split_header_handling
                    .get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 9 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <SecureMemoryMode as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .secure_output_mode
                    .get_or_insert_with(|| fidl::new_empty!(SecureMemoryMode, D));
                fidl::decode!(SecureMemoryMode, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 10 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <SecureMemoryMode as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .secure_input_mode
                    .get_or_insert_with(|| fidl::new_empty!(SecureMemoryMode, D));
                fidl::decode!(SecureMemoryMode, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 11 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.require_sw.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl CreateEncoderParams {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.require_hw {
                return 2;
            }
            if let Some(_) = self.input_details {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for CreateEncoderParams {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for CreateEncoderParams {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<CreateEncoderParams, D>
        for &CreateEncoderParams
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CreateEncoderParams>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl_fuchsia_media::FormatDetails, D>(
                self.input_details.as_ref().map(
                    <fidl_fuchsia_media::FormatDetails as fidl::encoding::ValueTypeMarker>::borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 2 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (2 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.require_hw.as_ref().map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for CreateEncoderParams {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <fidl_fuchsia_media::FormatDetails as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .input_details
                    .get_or_insert_with(|| fidl::new_empty!(fidl_fuchsia_media::FormatDetails, D));
                fidl::decode!(
                    fidl_fuchsia_media::FormatDetails,
                    D,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 2 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.require_hw.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl DecoderProfileDescription {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.split_header_handling {
                return 12;
            }
            if let Some(_) = self.will_report_all_detected_errors {
                return 11;
            }
            if let Some(_) = self.can_re_sync {
                return 10;
            }
            if let Some(_) = self.can_find_start {
                return 9;
            }
            if let Some(_) = self.can_stream_bytes_input {
                return 8;
            }
            if let Some(_) = self.require_input_protection {
                return 7;
            }
            if let Some(_) = self.allow_input_protection {
                return 6;
            }
            if let Some(_) = self.require_encryption {
                return 5;
            }
            if let Some(_) = self.allow_encryption {
                return 4;
            }
            if let Some(_) = self.max_image_size {
                return 3;
            }
            if let Some(_) = self.min_image_size {
                return 2;
            }
            if let Some(_) = self.profile {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for DecoderProfileDescription {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for DecoderProfileDescription {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<DecoderProfileDescription, D> for &DecoderProfileDescription
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<DecoderProfileDescription>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl_fuchsia_media::CodecProfile, D>(
                self.profile.as_ref().map(
                    <fidl_fuchsia_media::CodecProfile as fidl::encoding::ValueTypeMarker>::borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 2 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (2 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl_fuchsia_math::SizeU, D>(
                self.min_image_size
                    .as_ref()
                    .map(<fidl_fuchsia_math::SizeU as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 3 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (3 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl_fuchsia_math::SizeU, D>(
                self.max_image_size
                    .as_ref()
                    .map(<fidl_fuchsia_math::SizeU as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 4 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (4 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.allow_encryption
                    .as_ref()
                    .map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 5 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (5 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.require_encryption
                    .as_ref()
                    .map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 6 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (6 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.allow_input_protection
                    .as_ref()
                    .map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 7 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (7 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.require_input_protection
                    .as_ref()
                    .map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 8 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (8 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.can_stream_bytes_input
                    .as_ref()
                    .map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 9 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (9 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.can_find_start.as_ref().map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 10 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (10 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.can_re_sync.as_ref().map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 11 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (11 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.will_report_all_detected_errors
                    .as_ref()
                    .map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 12 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (12 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.split_header_handling
                    .as_ref()
                    .map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for DecoderProfileDescription
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <fidl_fuchsia_media::CodecProfile as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .profile
                    .get_or_insert_with(|| fidl::new_empty!(fidl_fuchsia_media::CodecProfile, D));
                fidl::decode!(
                    fidl_fuchsia_media::CodecProfile,
                    D,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 2 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <fidl_fuchsia_math::SizeU as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .min_image_size
                    .get_or_insert_with(|| fidl::new_empty!(fidl_fuchsia_math::SizeU, D));
                fidl::decode!(
                    fidl_fuchsia_math::SizeU,
                    D,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 3 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <fidl_fuchsia_math::SizeU as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .max_image_size
                    .get_or_insert_with(|| fidl::new_empty!(fidl_fuchsia_math::SizeU, D));
                fidl::decode!(
                    fidl_fuchsia_math::SizeU,
                    D,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 4 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref =
                    self.allow_encryption.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 5 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref =
                    self.require_encryption.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 6 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref =
                    self.allow_input_protection.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 7 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref =
                    self.require_input_protection.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 8 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref =
                    self.can_stream_bytes_input.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 9 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.can_find_start.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 10 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.can_re_sync.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 11 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .will_report_all_detected_errors
                    .get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 12 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref =
                    self.split_header_handling.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl DetailedCodecDescription {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.profile_descriptions {
                return 4;
            }
            if let Some(_) = self.is_hw {
                return 3;
            }
            if let Some(_) = self.mime_type {
                return 2;
            }
            if let Some(_) = self.codec_type {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for DetailedCodecDescription {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for DetailedCodecDescription {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<DetailedCodecDescription, D> for &DetailedCodecDescription
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<DetailedCodecDescription>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<CodecType, D>(
                self.codec_type
                    .as_ref()
                    .map(<CodecType as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 2 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (2 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl::encoding::BoundedString<256>, D>(
                self.mime_type.as_ref().map(
                    <fidl::encoding::BoundedString<256> as fidl::encoding::ValueTypeMarker>::borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 3 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (3 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<bool, D>(
                self.is_hw.as_ref().map(<bool as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 4 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (4 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<ProfileDescriptions, D>(
                self.profile_descriptions
                    .as_ref()
                    .map(<ProfileDescriptions as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for DetailedCodecDescription
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <CodecType as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.codec_type.get_or_insert_with(|| fidl::new_empty!(CodecType, D));
                fidl::decode!(CodecType, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 2 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <fidl::encoding::BoundedString<256> as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .mime_type
                    .get_or_insert_with(|| fidl::new_empty!(fidl::encoding::BoundedString<256>, D));
                fidl::decode!(
                    fidl::encoding::BoundedString<256>,
                    D,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 3 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.is_hw.get_or_insert_with(|| fidl::new_empty!(bool, D));
                fidl::decode!(bool, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 4 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <ProfileDescriptions as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .profile_descriptions
                    .get_or_insert_with(|| fidl::new_empty!(ProfileDescriptions, D));
                fidl::decode!(ProfileDescriptions, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl EncoderProfileDescription {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.profile {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for EncoderProfileDescription {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for EncoderProfileDescription {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<EncoderProfileDescription, D> for &EncoderProfileDescription
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<EncoderProfileDescription>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl_fuchsia_media::CodecProfile, D>(
                self.profile.as_ref().map(
                    <fidl_fuchsia_media::CodecProfile as fidl::encoding::ValueTypeMarker>::borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for EncoderProfileDescription
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <fidl_fuchsia_media::CodecProfile as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .profile
                    .get_or_insert_with(|| fidl::new_empty!(fidl_fuchsia_media::CodecProfile, D));
                fidl::decode!(
                    fidl_fuchsia_media::CodecProfile,
                    D,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for ProfileDescriptions {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ProfileDescriptions {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<ProfileDescriptions, D>
        for &ProfileDescriptions
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ProfileDescriptions>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
            ProfileDescriptions::DecoderProfileDescriptions(ref val) => {
                fidl::encoding::encode_in_envelope::<fidl::encoding::Vector<DecoderProfileDescription, 256>, D>(
                    <fidl::encoding::Vector<DecoderProfileDescription, 256> as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder, offset + 8, _depth
                )
            }
            ProfileDescriptions::EncoderProfileDescriptions(ref val) => {
                fidl::encoding::encode_in_envelope::<fidl::encoding::Vector<EncoderProfileDescription, 256>, D>(
                    <fidl::encoding::Vector<EncoderProfileDescription, 256> as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder, offset + 8, _depth
                )
            }
        }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for ProfileDescriptions {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::DecoderProfileDescriptions(
                fidl::new_empty!(fidl::encoding::Vector<DecoderProfileDescription, 256>, D),
            )
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
            1 => <fidl::encoding::Vector<DecoderProfileDescription, 256> as fidl::encoding::TypeMarker>::inline_size(decoder.context),
            2 => <fidl::encoding::Vector<EncoderProfileDescription, 256> as fidl::encoding::TypeMarker>::inline_size(decoder.context),
            _ => return Err(fidl::Error::UnknownUnionTag),
        };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let ProfileDescriptions::DecoderProfileDescriptions(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = ProfileDescriptions::DecoderProfileDescriptions(
                            fidl::new_empty!(fidl::encoding::Vector<DecoderProfileDescription, 256>, D),
                        );
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let ProfileDescriptions::DecoderProfileDescriptions(ref mut val) = self {
                        fidl::decode!(fidl::encoding::Vector<DecoderProfileDescription, 256>, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let ProfileDescriptions::EncoderProfileDescriptions(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = ProfileDescriptions::EncoderProfileDescriptions(
                            fidl::new_empty!(fidl::encoding::Vector<EncoderProfileDescription, 256>, D),
                        );
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let ProfileDescriptions::EncoderProfileDescriptions(ref mut val) = self {
                        fidl::decode!(fidl::encoding::Vector<EncoderProfileDescription, 256>, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                ordinal => panic!("unexpected ordinal {:?}", ordinal),
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }
}