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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_COMMON_MOJO_DECODER_BUFFER_CONVERTER_ | 5 #ifndef MEDIA_MOJO_COMMON_MOJO_DECODER_BUFFER_CONVERTER_ |
| 6 #define MEDIA_MOJO_COMMON_MOJO_DECODER_BUFFER_CONVERTER_ | 6 #define MEDIA_MOJO_COMMON_MOJO_DECODER_BUFFER_CONVERTER_ |
| 7 | 7 |
| 8 #include <memory> | 8 #include <memory> |
| 9 | 9 |
| 10 #include "base/macros.h" | 10 #include "base/macros.h" |
| 11 #include "base/memory/ref_counted.h" | 11 #include "base/memory/ref_counted.h" |
| 12 #include "media/base/demuxer_stream.h" | 12 #include "media/base/demuxer_stream.h" |
| 13 #include "media/mojo/interfaces/media_types.mojom.h" | 13 #include "media/mojo/interfaces/media_types.mojom.h" |
| 14 #include "mojo/public/cpp/system/data_pipe.h" | 14 #include "mojo/public/cpp/system/data_pipe.h" |
| 15 #include "mojo/public/cpp/system/watcher.h" | 15 #include "mojo/public/cpp/system/simple_watcher.h" |
| 16 | 16 |
| 17 namespace media { | 17 namespace media { |
| 18 | 18 |
| 19 class DecoderBuffer; | 19 class DecoderBuffer; |
| 20 | 20 |
| 21 // A helper class that converts mojom::DecoderBuffer to media::DecoderBuffer. | 21 // A helper class that converts mojom::DecoderBuffer to media::DecoderBuffer. |
| 22 // The data part of the DecoderBuffer is read from a DataPipe. | 22 // The data part of the DecoderBuffer is read from a DataPipe. |
| 23 class MojoDecoderBufferReader { | 23 class MojoDecoderBufferReader { |
| 24 public: | 24 public: |
| 25 using ReadCB = base::OnceCallback<void(scoped_refptr<DecoderBuffer>)>; | 25 using ReadCB = base::OnceCallback<void(scoped_refptr<DecoderBuffer>)>; |
| (...skipping 14 matching lines...) Expand all Loading... |
| 40 // Reports a null DecoderBuffer in case of an error. | 40 // Reports a null DecoderBuffer in case of an error. |
| 41 void ReadDecoderBuffer(mojom::DecoderBufferPtr buffer, ReadCB read_cb); | 41 void ReadDecoderBuffer(mojom::DecoderBufferPtr buffer, ReadCB read_cb); |
| 42 | 42 |
| 43 private: | 43 private: |
| 44 void OnPipeError(MojoResult result); | 44 void OnPipeError(MojoResult result); |
| 45 void OnPipeReadable(MojoResult result); | 45 void OnPipeReadable(MojoResult result); |
| 46 void ReadDecoderBufferData(); | 46 void ReadDecoderBufferData(); |
| 47 | 47 |
| 48 // For reading the data section of a DecoderBuffer. | 48 // For reading the data section of a DecoderBuffer. |
| 49 mojo::ScopedDataPipeConsumerHandle consumer_handle_; | 49 mojo::ScopedDataPipeConsumerHandle consumer_handle_; |
| 50 mojo::Watcher pipe_watcher_; | 50 mojo::SimpleWatcher pipe_watcher_; |
| 51 | 51 |
| 52 // Only valid during pending read. | 52 // Only valid during pending read. |
| 53 ReadCB read_cb_; | 53 ReadCB read_cb_; |
| 54 scoped_refptr<DecoderBuffer> media_buffer_; | 54 scoped_refptr<DecoderBuffer> media_buffer_; |
| 55 uint32_t bytes_read_; | 55 uint32_t bytes_read_; |
| 56 | 56 |
| 57 DISALLOW_COPY_AND_ASSIGN(MojoDecoderBufferReader); | 57 DISALLOW_COPY_AND_ASSIGN(MojoDecoderBufferReader); |
| 58 }; | 58 }; |
| 59 | 59 |
| 60 // A helper class that converts media::DecoderBuffer to mojom::DecoderBuffer. | 60 // A helper class that converts media::DecoderBuffer to mojom::DecoderBuffer. |
| (...skipping 17 matching lines...) Expand all Loading... |
| 78 mojom::DecoderBufferPtr WriteDecoderBuffer( | 78 mojom::DecoderBufferPtr WriteDecoderBuffer( |
| 79 const scoped_refptr<DecoderBuffer>& media_buffer); | 79 const scoped_refptr<DecoderBuffer>& media_buffer); |
| 80 | 80 |
| 81 private: | 81 private: |
| 82 void OnPipeError(MojoResult result); | 82 void OnPipeError(MojoResult result); |
| 83 void OnPipeWritable(MojoResult result); | 83 void OnPipeWritable(MojoResult result); |
| 84 MojoResult WriteDecoderBufferData(); | 84 MojoResult WriteDecoderBufferData(); |
| 85 | 85 |
| 86 // For writing the data section of DecoderBuffer into DataPipe. | 86 // For writing the data section of DecoderBuffer into DataPipe. |
| 87 mojo::ScopedDataPipeProducerHandle producer_handle_; | 87 mojo::ScopedDataPipeProducerHandle producer_handle_; |
| 88 mojo::Watcher pipe_watcher_; | 88 mojo::SimpleWatcher pipe_watcher_; |
| 89 | 89 |
| 90 // Only valid when data is being written to the pipe. | 90 // Only valid when data is being written to the pipe. |
| 91 scoped_refptr<DecoderBuffer> media_buffer_; | 91 scoped_refptr<DecoderBuffer> media_buffer_; |
| 92 uint32_t bytes_written_; | 92 uint32_t bytes_written_; |
| 93 | 93 |
| 94 DISALLOW_COPY_AND_ASSIGN(MojoDecoderBufferWriter); | 94 DISALLOW_COPY_AND_ASSIGN(MojoDecoderBufferWriter); |
| 95 }; | 95 }; |
| 96 | 96 |
| 97 } // namespace media | 97 } // namespace media |
| 98 | 98 |
| 99 #endif // MEDIA_MOJO_COMMON_MOJO_DECODER_BUFFER_CONVERTER_ | 99 #endif // MEDIA_MOJO_COMMON_MOJO_DECODER_BUFFER_CONVERTER_ |
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