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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_STREAM_PROVIDER_H_ | |
6 #define MEDIA_REMOTING_STREAM_PROVIDER_H_ | |
7 | |
8 #include <deque> | |
9 | |
10 #include "base/memory/weak_ptr.h" | |
11 #include "media/base/audio_decoder_config.h" | |
12 #include "media/base/demuxer_stream.h" | |
13 #include "media/base/media_resource.h" | |
14 #include "media/base/video_decoder_config.h" | |
15 #include "media/remoting/rpc_broker.h" | |
16 | |
17 namespace media { | |
18 namespace remoting { | |
19 | |
20 class MediaStream; | |
21 | |
22 // The media stream provider for Media Remoting receiver. | |
23 class StreamProvider final : public MediaResource { | |
24 public: | |
25 StreamProvider(RpcBroker* rpc_broker, const base::Closure& error_callback); | |
26 | |
27 ~StreamProvider() override; | |
28 | |
29 // MediaResource implemenation. | |
30 std::vector<DemuxerStream*> GetAllStreams() override; | |
31 void SetStreamStatusChangeCB(const StreamStatusChangeCB& cb) override {} | |
32 | |
33 void Initialize(int remote_audio_handle, | |
34 int remote_video_handle, | |
35 const base::Closure& callback); | |
36 void AppendBuffer(DemuxerStream::Type type, | |
37 scoped_refptr<DecoderBuffer> buffer); | |
38 void FlushUntil(DemuxerStream::Type type, int count); | |
39 | |
40 private: | |
41 // Called when audio/video stream is initialized. | |
42 void AudioStreamInitialized(); | |
43 void VideoStreamInitialized(); | |
44 | |
45 // Called when any error occurs. | |
46 void OnError(const std::string& error); | |
47 | |
48 RpcBroker* const rpc_broker_; // Outlives this class. | |
49 std::unique_ptr<MediaStream> video_stream_; | |
50 std::unique_ptr<MediaStream> audio_stream_; | |
51 bool audio_stream_initialized_ = false; | |
52 bool video_stream_initialized_ = false; | |
53 | |
54 // Set when Initialize() is called, and will run only once when both video | |
55 // and audio streams are initialized or error occurs. | |
56 base::Closure init_done_callback_; | |
57 | |
58 // Run only once when first error occurs; | |
59 base::Closure error_callback_; | |
60 | |
61 base::WeakPtrFactory<StreamProvider> weak_factory_; | |
62 | |
63 DISALLOW_COPY_AND_ASSIGN(StreamProvider); | |
64 }; | |
65 | |
66 } // namespace remoting | |
67 } // namespace media | |
68 | |
69 #endif // MEDIA_REMOTING_STREAM_PROVIDER_H_ | |
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