Media Remoting: End to end integration tests.

media/remoting/receiver.h

+// 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_RECEIVER_H_
+#define MEDIA_REMOTING_RECEIVER_H_
+
+#include "base/memory/weak_ptr.h"
+#include "base/timer/timer.h"
+#include "media/base/buffering_state.h"
+#include "media/base/demuxer_stream.h"
+#include "media/base/renderer_client.h"
+#include "media/remoting/rpc_broker.h"
+
+namespace media {
+class Renderer;
+class DecoderBuffer;
+}  // namespace media
+
+namespace media {
+namespace remoting {
+
+class RpcBroker;
+class StreamProvider;
+
+// Media remoting receiver. Media streams are rendered by |renderer|.
+// |rpc_broker| outlives this class.
+class Receiver final : public RendererClient {
+ public:
+  Receiver(std::unique_ptr<Renderer> renderer, RpcBroker* rpc_broker);
+  ~Receiver();
+
+  // RendererClient implementation.
+  void OnError(PipelineStatus status) override;
+  void OnEnded() override;
+  void OnStatisticsUpdate(const PipelineStatistics& stats) override;
+  void OnBufferingStateChange(BufferingState state) override;
+  void OnWaitingForDecryptionKey() override;
+  void OnVideoNaturalSizeChange(const gfx::Size& size) override;
+  void OnVideoOpacityChange(bool opaque) override;
+  void OnDurationChange(base::TimeDelta duration) override;
+
+  void OnReceivedRpc(std::unique_ptr<pb::RpcMessage> message);
+  void OnReceivedBuffer(DemuxerStream::Type type,
+                        scoped_refptr<DecoderBuffer> buffer);
+
+ private:
+  // RPC message handlers.
+  void AcquireRenderer(std::unique_ptr<pb::RpcMessage> message);
+  void Initialize(std::unique_ptr<pb::RpcMessage> message);
+  void SetPlaybackRate(std::unique_ptr<pb::RpcMessage> message);
+  void FlushUntil(std::unique_ptr<pb::RpcMessage> message);
+  void StartPlayingFrom(std::unique_ptr<pb::RpcMessage> message);
+  void SetVolume(std::unique_ptr<pb::RpcMessage> message);
+
+  // Initialization callbacks.
+  void OnStreamInitialized();
+  void OnRendererInitialized(PipelineStatus status);
+
+  void OnFlushDone();
+
+  // Periodically send the UpdateTime RPC message to update the media time.
+  void ScheduleMediaTimeUpdates();
+  void SendMediaTimeUpdate();
+
+  const std::unique_ptr<Renderer> renderer_;
+  RpcBroker* const rpc_broker_;  // Outlives this class.
+
+  // The CourierRenderer handle on sender side. Set when AcauireRenderer() is
+  // called.
+  int remote_handle_ = RpcBroker::kInvalidHandle;
+
+  int rpc_handle_ = RpcBroker::kInvalidHandle;
+
+  std::unique_ptr<StreamProvider> stream_provider_;
+
+  // The timer to periodically update the media time.
+  base::RepeatingTimer time_update_timer_;
+
+  base::WeakPtrFactory<Receiver> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(Receiver);
+};
+
+}  // namespace remoting
+}  // namespace media
+
+#endif  // MEDIA_REMOTING_RECEIVER_H_