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stream_provider.h
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stream_provider.h
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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_REMOTING_STREAM_PROVIDER_H_
#define MEDIA_REMOTING_STREAM_PROVIDER_H_
#include "base/memory/weak_ptr.h"
#include "media/base/audio_decoder_config.h"
#include "media/base/demuxer_stream.h"
#include "media/base/media_resource.h"
#include "media/base/video_decoder_config.h"
#include "media/remoting/rpc_broker.h"
namespace media {
namespace remoting {
class MediaStream;
// The media stream provider for Media Remoting receiver.
class StreamProvider final : public MediaResource {
public:
StreamProvider(RpcBroker* rpc_broker, const base::Closure& error_callback);
~StreamProvider() override;
// MediaResource implemenation.
std::vector<DemuxerStream*> GetAllStreams() override;
void Initialize(int remote_audio_handle,
int remote_video_handle,
const base::Closure& callback);
void AppendBuffer(DemuxerStream::Type type,
scoped_refptr<DecoderBuffer> buffer);
void FlushUntil(DemuxerStream::Type type, int count);
private:
// Called when audio/video stream is initialized.
void AudioStreamInitialized();
void VideoStreamInitialized();
// Called when any error occurs.
void OnError(const std::string& error);
RpcBroker* const rpc_broker_; // Outlives this class.
std::unique_ptr<MediaStream> video_stream_;
std::unique_ptr<MediaStream> audio_stream_;
bool audio_stream_initialized_ = false;
bool video_stream_initialized_ = false;
// Set when Initialize() is called, and will run only once when both video
// and audio streams are initialized or error occurs.
base::Closure init_done_callback_;
// Run only once when first error occurs;
base::Closure error_callback_;
base::WeakPtrFactory<StreamProvider> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(StreamProvider);
};
} // namespace remoting
} // namespace media
#endif // MEDIA_REMOTING_STREAM_PROVIDER_H_