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 #ifndef MEDIA_MOJO_SERVICES_MOJO_DEMUXER_STREAM_IMPL_H_ 6 #define MEDIA_MOJO_SERVICES_MOJO_DEMUXER_STREAM_IMPL_H_ 7 8 #include "base/macros.h" 9 #include "base/memory/weak_ptr.h" 10 #include "media/base/demuxer_stream.h" 11 #include "media/mojo/interfaces/demuxer_stream.mojom.h" 12 #include "mojo/public/cpp/bindings/interface_impl.h" 13 14 namespace media { 15 class DemuxerStream; 16 17 // This class wraps a media::DemuxerStream and exposes it as a 18 // mojo::DemuxerStream for use as a proxy from remote applications. 19 class MojoDemuxerStreamImpl : public mojo::InterfaceImpl<mojo::DemuxerStream> { 20 public: 21 // |stream| is the underlying DemuxerStream we are proxying for. 22 // Note: |this| does not take ownership of |stream|. 23 explicit MojoDemuxerStreamImpl(media::DemuxerStream* stream); 24 virtual ~MojoDemuxerStreamImpl(); 25 26 // mojo::DemuxerStream implementation. 27 virtual void Read(const mojo::Callback< 28 void(mojo::DemuxerStream::Status, mojo::MediaDecoderBufferPtr)>& callback) 29 OVERRIDE; 30 31 // mojo::InterfaceImpl overrides. 32 virtual void OnConnectionEstablished() OVERRIDE; 33 34 private: 35 // |callback| is the callback that was passed to the initiating Read() 36 // call by our client. 37 // |status| and |buffer| are the standard media::ReadCB parameters. 38 typedef mojo::Callback<void(mojo::DemuxerStream::Status, 39 mojo::MediaDecoderBufferPtr)> BufferReadyCB; 40 void OnBufferReady(const BufferReadyCB& callback, 41 media::DemuxerStream::Status status, 42 const scoped_refptr<media::DecoderBuffer>& buffer); 43 44 // See constructor. We do not own |stream_|. 45 media::DemuxerStream* stream_; 46 47 base::WeakPtrFactory<MojoDemuxerStreamImpl> weak_factory_; 48 DISALLOW_COPY_AND_ASSIGN(MojoDemuxerStreamImpl); 49 }; 50 51 } // namespace media 52 53 #endif // MEDIA_MOJO_SERVICES_MOJO_DEMUXER_STREAM_IMPL_H_ 54
