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 61
