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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MEDIA_MOJO_SERVICES_MOJO_DEMUXER_STREAM_ADAPTER_H_ | 5 #ifndef MEDIA_MOJO_SERVICES_MOJO_DEMUXER_STREAM_ADAPTER_H_ |
6 #define MEDIA_MOJO_SERVICES_MOJO_DEMUXER_STREAM_ADAPTER_H_ | 6 #define MEDIA_MOJO_SERVICES_MOJO_DEMUXER_STREAM_ADAPTER_H_ |
7 | 7 |
8 #include <queue> | 8 #include <queue> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
12 #include "media/base/audio_decoder_config.h" | 12 #include "media/base/audio_decoder_config.h" |
13 #include "media/base/demuxer_stream.h" | 13 #include "media/base/demuxer_stream.h" |
14 #include "media/base/video_decoder_config.h" | 14 #include "media/base/video_decoder_config.h" |
15 #include "media/mojo/interfaces/demuxer_stream.mojom.h" | 15 #include "media/mojo/interfaces/demuxer_stream.mojom.h" |
16 | 16 |
17 namespace media { | 17 namespace media { |
18 | 18 |
19 // This class acts as a MojoRendererService-side stub for a real DemuxerStream | 19 // This class acts as a MojoRendererService-side stub for a real DemuxerStream |
20 // that is part of a Pipeline in a remote application. Roughly speaking, it | 20 // that is part of a Pipeline in a remote application. Roughly speaking, it |
21 // takes a interfaces::DemuxerStreamPtr and exposes it as a DemuxerStream for | 21 // takes a mojom::DemuxerStreamPtr and exposes it as a DemuxerStream for |
22 // use by | 22 // use by |
23 // media components. | 23 // media components. |
24 class MojoDemuxerStreamAdapter : public DemuxerStream { | 24 class MojoDemuxerStreamAdapter : public DemuxerStream { |
25 public: | 25 public: |
26 // |demuxer_stream| is connected to the interfaces::DemuxerStream that |this| | 26 // |demuxer_stream| is connected to the mojom::DemuxerStream that |this| |
27 // will | 27 // will |
28 // become the client of. | 28 // become the client of. |
29 // |stream_ready_cb| will be invoked when |demuxer_stream| has fully | 29 // |stream_ready_cb| will be invoked when |demuxer_stream| has fully |
30 // initialized and |this| is ready for use. | 30 // initialized and |this| is ready for use. |
31 // NOTE: Illegal to call any methods until |stream_ready_cb| is invoked. | 31 // NOTE: Illegal to call any methods until |stream_ready_cb| is invoked. |
32 MojoDemuxerStreamAdapter(interfaces::DemuxerStreamPtr demuxer_stream, | 32 MojoDemuxerStreamAdapter(mojom::DemuxerStreamPtr demuxer_stream, |
33 const base::Closure& stream_ready_cb); | 33 const base::Closure& stream_ready_cb); |
34 ~MojoDemuxerStreamAdapter() override; | 34 ~MojoDemuxerStreamAdapter() override; |
35 | 35 |
36 // DemuxerStream implementation. | 36 // DemuxerStream implementation. |
37 void Read(const ReadCB& read_cb) override; | 37 void Read(const ReadCB& read_cb) override; |
38 AudioDecoderConfig audio_decoder_config() override; | 38 AudioDecoderConfig audio_decoder_config() override; |
39 VideoDecoderConfig video_decoder_config() override; | 39 VideoDecoderConfig video_decoder_config() override; |
40 Type type() const override; | 40 Type type() const override; |
41 void EnableBitstreamConverter() override; | 41 void EnableBitstreamConverter() override; |
42 bool SupportsConfigChanges() override; | 42 bool SupportsConfigChanges() override; |
43 VideoRotation video_rotation() override; | 43 VideoRotation video_rotation() override; |
44 | 44 |
45 private: | 45 private: |
46 void OnStreamReady(interfaces::DemuxerStream::Type type, | 46 void OnStreamReady(mojom::DemuxerStream::Type type, |
47 mojo::ScopedDataPipeConsumerHandle pipe, | 47 mojo::ScopedDataPipeConsumerHandle pipe, |
48 interfaces::AudioDecoderConfigPtr audio_config, | 48 mojom::AudioDecoderConfigPtr audio_config, |
49 interfaces::VideoDecoderConfigPtr video_config); | 49 mojom::VideoDecoderConfigPtr video_config); |
50 | 50 |
51 // The callback from |demuxer_stream_| that a read operation has completed. | 51 // The callback from |demuxer_stream_| that a read operation has completed. |
52 // |read_cb| is a callback from the client who invoked Read() on |this|. | 52 // |read_cb| is a callback from the client who invoked Read() on |this|. |
53 void OnBufferReady(interfaces::DemuxerStream::Status status, | 53 void OnBufferReady(mojom::DemuxerStream::Status status, |
54 interfaces::DecoderBufferPtr buffer, | 54 mojom::DecoderBufferPtr buffer, |
55 interfaces::AudioDecoderConfigPtr audio_config, | 55 mojom::AudioDecoderConfigPtr audio_config, |
56 interfaces::VideoDecoderConfigPtr video_config); | 56 mojom::VideoDecoderConfigPtr video_config); |
57 | 57 |
58 void UpdateConfig(interfaces::AudioDecoderConfigPtr audio_config, | 58 void UpdateConfig(mojom::AudioDecoderConfigPtr audio_config, |
59 interfaces::VideoDecoderConfigPtr video_config); | 59 mojom::VideoDecoderConfigPtr video_config); |
60 | 60 |
61 // See constructor for descriptions. | 61 // See constructor for descriptions. |
62 interfaces::DemuxerStreamPtr demuxer_stream_; | 62 mojom::DemuxerStreamPtr demuxer_stream_; |
63 base::Closure stream_ready_cb_; | 63 base::Closure stream_ready_cb_; |
64 | 64 |
65 // The last ReadCB received through a call to Read(). | 65 // The last ReadCB received through a call to Read(). |
66 // Used to store the results of OnBufferReady() in the event it is called | 66 // Used to store the results of OnBufferReady() in the event it is called |
67 // with DemuxerStream::Status::kConfigChanged and we don't have an up to | 67 // with DemuxerStream::Status::kConfigChanged and we don't have an up to |
68 // date AudioDecoderConfig yet. In that case we can't forward the results | 68 // date AudioDecoderConfig yet. In that case we can't forward the results |
69 // on to the caller of Read() until OnAudioDecoderConfigChanged is observed. | 69 // on to the caller of Read() until OnAudioDecoderConfigChanged is observed. |
70 DemuxerStream::ReadCB read_cb_; | 70 DemuxerStream::ReadCB read_cb_; |
71 | 71 |
72 // The current config. | 72 // The current config. |
73 AudioDecoderConfig audio_config_; | 73 AudioDecoderConfig audio_config_; |
74 VideoDecoderConfig video_config_; | 74 VideoDecoderConfig video_config_; |
75 | 75 |
76 DemuxerStream::Type type_; | 76 DemuxerStream::Type type_; |
77 | 77 |
78 // DataPipe for deserializing the data section of DecoderBuffers from. | 78 // DataPipe for deserializing the data section of DecoderBuffers from. |
79 mojo::ScopedDataPipeConsumerHandle stream_pipe_; | 79 mojo::ScopedDataPipeConsumerHandle stream_pipe_; |
80 | 80 |
81 base::WeakPtrFactory<MojoDemuxerStreamAdapter> weak_factory_; | 81 base::WeakPtrFactory<MojoDemuxerStreamAdapter> weak_factory_; |
82 DISALLOW_COPY_AND_ASSIGN(MojoDemuxerStreamAdapter); | 82 DISALLOW_COPY_AND_ASSIGN(MojoDemuxerStreamAdapter); |
83 }; | 83 }; |
84 | 84 |
85 } // namespace media | 85 } // namespace media |
86 | 86 |
87 #endif // MEDIA_MOJO_SERVICES_MOJO_DEMUXER_STREAM_ADAPTER_H_ | 87 #endif // MEDIA_MOJO_SERVICES_MOJO_DEMUXER_STREAM_ADAPTER_H_ |
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