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| 1 // Copyright 2017 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_REMOTING_RECEIVER_H_ | |
| 6 #define MEDIA_REMOTING_RECEIVER_H_ | |
| 7 | |
| 8 #include "base/memory/weak_ptr.h" | |
| 9 #include "base/timer/timer.h" | |
| 10 #include "media/base/buffering_state.h" | |
| 11 #include "media/base/demuxer_stream.h" | |
| 12 #include "media/base/renderer_client.h" | |
| 13 #include "media/remoting/rpc_broker.h" | |
| 14 | |
| 15 namespace media { | |
| 16 class Renderer; | |
| 17 class DecoderBuffer; | |
| 18 } // namespace media | |
| 19 | |
| 20 namespace media { | |
| 21 namespace remoting { | |
| 22 | |
| 23 class RpcBroker; | |
| 24 class StreamProvider; | |
| 25 | |
| 26 // Media remoting receiver. Media streams are rendered by |renderer|. | |
| 27 // |rpc_broker| outlives this class. | |
| 28 class Receiver final : public RendererClient { | |
| 29 public: | |
| 30 Receiver(std::unique_ptr<Renderer> renderer, RpcBroker* rpc_broker); | |
| 31 ~Receiver(); | |
| 32 | |
| 33 // RendererClient implementation. | |
| 34 void OnError(PipelineStatus status) override; | |
| 35 void OnEnded() override; | |
| 36 void OnStatisticsUpdate(const PipelineStatistics& stats) override; | |
| 37 void OnBufferingStateChange(BufferingState state) override; | |
| 38 void OnWaitingForDecryptionKey() override; | |
| 39 void OnVideoNaturalSizeChange(const gfx::Size& size) override; | |
| 40 void OnVideoOpacityChange(bool opaque) override; | |
| 41 void OnDurationChange(base::TimeDelta duration) override; | |
| 42 | |
| 43 void OnReceivedRpc(std::unique_ptr<pb::RpcMessage> message); | |
| 44 void OnReceivedBuffer(DemuxerStream::Type type, | |
| 45 scoped_refptr<DecoderBuffer> buffer); | |
| 46 | |
| 47 private: | |
| 48 // RPC message handlers. | |
| 49 void AcquireRenderer(std::unique_ptr<pb::RpcMessage> message); | |
| 50 void Initialize(std::unique_ptr<pb::RpcMessage> message); | |
| 51 void SetPlaybackRate(std::unique_ptr<pb::RpcMessage> message); | |
| 52 void FlushUntil(std::unique_ptr<pb::RpcMessage> message); | |
| 53 void StartPlayingFrom(std::unique_ptr<pb::RpcMessage> message); | |
| 54 void SetVolume(std::unique_ptr<pb::RpcMessage> message); | |
| 55 | |
| 56 // Initialization callbacks. | |
| 57 void OnStreamInitialized(); | |
| 58 void OnRendererInitialized(PipelineStatus status); | |
| 59 | |
| 60 void OnFlushDone(); | |
| 61 | |
| 62 // Periodically send the UpdateTime RPC message to update the media time. | |
| 63 void ScheduleMediaTimeUpdates(); | |
| 64 void SendMediaTimeUpdate(); | |
| 65 | |
| 66 const std::unique_ptr<Renderer> renderer_; | |
| 67 RpcBroker* const rpc_broker_; // Outlives this class. | |
| 68 | |
| 69 // The CourierRenderer handle on sender side. Set when AcauireRenderer() is | |
| 70 // called. | |
| 71 int remote_handle_ = RpcBroker::kInvalidHandle; | |
| 72 | |
| 73 int rpc_handle_ = RpcBroker::kInvalidHandle; | |
| 74 | |
| 75 std::unique_ptr<StreamProvider> stream_provider_; | |
| 76 | |
| 77 // The timer to periodically update the media time. | |
| 78 base::RepeatingTimer time_update_timer_; | |
| 79 | |
| 80 base::WeakPtrFactory<Receiver> weak_factory_; | |
| 81 | |
| 82 DISALLOW_COPY_AND_ASSIGN(Receiver); | |
| 83 }; | |
| 84 | |
| 85 } // namespace remoting | |
| 86 } // namespace media | |
| 87 | |
| 88 #endif // MEDIA_REMOTING_RECEIVER_H_ | |
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