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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "media/mojo/services/mojo_demuxer_stream_impl.h" |
| 6 |
| 7 #include "base/bind.h" |
| 8 #include "base/macros.h" |
| 9 #include "media/base/audio_decoder_config.h" |
| 10 #include "media/mojo/interfaces/demuxer_stream.mojom.h" |
| 11 #include "media/mojo/services/media_type_converters.h" |
| 12 #include "mojo/public/cpp/bindings/interface_impl.h" |
| 13 #include "mojo/public/cpp/system/data_pipe.h" |
| 14 |
| 15 namespace media { |
| 16 |
| 17 MojoDemuxerStreamImpl::MojoDemuxerStreamImpl(media::DemuxerStream* stream) |
| 18 : stream_(stream), weak_factory_(this) { |
| 19 } |
| 20 |
| 21 MojoDemuxerStreamImpl::~MojoDemuxerStreamImpl() { |
| 22 } |
| 23 |
| 24 void MojoDemuxerStreamImpl::Read(const mojo::Callback< |
| 25 void(mojo::DemuxerStream::Status, mojo::MediaDecoderBufferPtr)>& callback) { |
| 26 stream_->Read(base::Bind(&MojoDemuxerStreamImpl::OnBufferReady, |
| 27 weak_factory_.GetWeakPtr(), |
| 28 callback)); |
| 29 } |
| 30 |
| 31 void MojoDemuxerStreamImpl::OnBufferReady( |
| 32 const BufferReadyCB& callback, |
| 33 media::DemuxerStream::Status status, |
| 34 const scoped_refptr<media::DecoderBuffer>& buffer) { |
| 35 if (status == media::DemuxerStream::kConfigChanged) { |
| 36 // Send the config change so our client can read it once it parses the |
| 37 // Status obtained via Run() below. |
| 38 client()->OnAudioDecoderConfigChanged( |
| 39 mojo::AudioDecoderConfig::From(stream_->audio_decoder_config())); |
| 40 } |
| 41 |
| 42 // TODO(tim): Once using DataPipe, fill via the producer handle and then |
| 43 // read more to keep the pipe full. |
| 44 callback.Run(static_cast<mojo::DemuxerStream::Status>(status), |
| 45 mojo::MediaDecoderBuffer::From(buffer)); |
| 46 } |
| 47 |
| 48 void MojoDemuxerStreamImpl::OnConnectionEstablished() { |
| 49 // This is called when our DemuxerStreamClient has connected itself and is |
| 50 // ready to receive messages. Send an initial config and notify it that |
| 51 // we are now ready for business. |
| 52 client()->OnAudioDecoderConfigChanged( |
| 53 mojo::AudioDecoderConfig::From(stream_->audio_decoder_config())); |
| 54 |
| 55 // TODO(tim): Create a DataPipe, hold the producer handle, and pass the |
| 56 // consumer handle here. |
| 57 client()->OnStreamReady(mojo::ScopedDataPipeConsumerHandle()); |
| 58 } |
| 59 |
| 60 } // namespace media |
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