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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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