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 _};
pub use fidl_fuchsia_mediacodec_common::*;
use futures::future::{self, MaybeDone, TryFutureExt};
use zx_status;

#[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(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(),
        )
    }
}

#[cfg(target_os = "fuchsia")]
impl From<CodecFactorySynchronousProxy> for zx::Handle {
    fn from(value: CodecFactorySynchronousProxy) -> Self {
        value.into_channel().into()
    }
}

#[cfg(target_os = "fuchsia")]
impl From<fidl::Channel> for CodecFactorySynchronousProxy {
    fn from(value: fidl::Channel) -> Self {
        Self::new(value)
    }
}

#[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::*;

    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(())
        }
    }
}