Media Remoting: End to end integration tests.

media/remoting/remote_stream_provider.h

Index: media/remoting/remote_stream_provider.h
diff --git a/media/remoting/remote_stream_provider.h b/media/remoting/remote_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_REMOTE_STREAM_PROVIDER_H_
+#define MEDIA_REMOTING_REMOTE_STREAM_PROVIDER_H_
+
+#include <deque>
+
+#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 SetStreamStatusChangeCB(const StreamStatusChangeCB& cb) 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_REMOTE_STREAM_PROVIDER_H_