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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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_VIDEO_DECODER_H_ | 5 #ifndef MEDIA_MOJO_SERVICES_MOJO_VIDEO_DECODER_H_ |
6 #define MEDIA_MOJO_SERVICES_MOJO_VIDEO_DECODER_H_ | 6 #define MEDIA_MOJO_SERVICES_MOJO_VIDEO_DECODER_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "media/base/video_decoder.h" | 10 #include "media/base/video_decoder.h" |
| 11 #include "media/mojo/interfaces/video_decoder.mojom.h" |
| 12 #include "mojo/public/cpp/bindings/binding.h" |
| 13 #include "mojo/public/cpp/system/data_pipe.h" |
11 | 14 |
12 namespace base { | 15 namespace base { |
13 class SingleThreadTaskRunner; | 16 class SingleThreadTaskRunner; |
14 } | 17 } |
15 | 18 |
16 namespace media { | 19 namespace media { |
17 | 20 |
18 // A VideoDecoder that proxies to an interfaces::VideoDecoder. | 21 // A VideoDecoder that proxies to an interfaces::VideoDecoder. |
19 class MojoVideoDecoder : public VideoDecoder { | 22 class MojoVideoDecoder : public VideoDecoder, |
| 23 public interfaces::VideoDecoderClient { |
20 public: | 24 public: |
21 MojoVideoDecoder(); | 25 MojoVideoDecoder(scoped_refptr<base::SingleThreadTaskRunner> task_runner, |
| 26 interfaces::VideoDecoderPtr remote_decoder); |
22 ~MojoVideoDecoder() final; | 27 ~MojoVideoDecoder() final; |
23 | 28 |
24 // VideoDecoder implementation. | 29 // VideoDecoder implementation. |
25 std::string GetDisplayName() const final; | 30 std::string GetDisplayName() const final; |
26 void Initialize(const VideoDecoderConfig& config, | 31 void Initialize(const VideoDecoderConfig& config, |
27 bool low_delay, | 32 bool low_delay, |
28 CdmContext* cdm_context, | 33 CdmContext* cdm_context, |
29 const InitCB& init_cb, | 34 const InitCB& init_cb, |
30 const OutputCB& output_cb) final; | 35 const OutputCB& output_cb) final; |
31 void Decode(const scoped_refptr<DecoderBuffer>& buffer, | 36 void Decode(const scoped_refptr<DecoderBuffer>& buffer, |
32 const DecodeCB& decode_cb) final; | 37 const DecodeCB& decode_cb) final; |
33 void Reset(const base::Closure& closure) final; | 38 void Reset(const base::Closure& closure) final; |
34 bool NeedsBitstreamConversion() const final; | 39 bool NeedsBitstreamConversion() const final; |
35 bool CanReadWithoutStalling() const final; | 40 bool CanReadWithoutStalling() const final; |
36 int GetMaxDecodeRequests() const final; | 41 int GetMaxDecodeRequests() const final; |
37 | 42 |
| 43 // interfaces::VideoDecoderClient implementation. |
| 44 void OnOutput(interfaces::VideoFramePtr frame) final; |
| 45 |
38 private: | 46 private: |
| 47 void OnInitialized(); |
| 48 void OnDecoded(interfaces::DecodeStatus status); |
| 49 void OnReset(); |
| 50 |
| 51 void OnConnectionError(); |
| 52 void BindRemoteDecoder(); |
| 53 |
39 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 54 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
40 | 55 |
| 56 // Used to pass the remote decoder from the constructor (on the main thread) |
| 57 // to Initialize() (on the media thread). |
| 58 interfaces::VideoDecoderPtrInfo remote_decoder_info_; |
| 59 |
| 60 bool has_connection_error_ = false; |
| 61 InitCB init_cb_; |
| 62 OutputCB output_cb_; |
| 63 DecodeCB decode_cb_; |
| 64 base::Closure reset_cb_; |
| 65 |
| 66 interfaces::VideoDecoderPtr remote_decoder_; |
| 67 bool remote_decoder_bound_ = false; |
| 68 mojo::ScopedDataPipeProducerHandle decoder_buffer_producer_; |
| 69 mojo::Binding<VideoDecoderClient> binding_; |
| 70 |
41 DISALLOW_COPY_AND_ASSIGN(MojoVideoDecoder); | 71 DISALLOW_COPY_AND_ASSIGN(MojoVideoDecoder); |
42 }; | 72 }; |
43 | 73 |
44 } // namespace media | 74 } // namespace media |
45 | 75 |
46 #endif // MEDIA_MOJO_SERVICES_MOJO_VIDEO_DECODER_H_ | 76 #endif // MEDIA_MOJO_SERVICES_MOJO_VIDEO_DECODER_H_ |
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