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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_FILTERS_FFMPEG_VIDEO_DECODER_H_ | 5 #ifndef MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_ |
| 6 #define MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_ | 6 #define MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_ |
| 7 | 7 |
| 8 #include <list> | 8 #include <list> |
| 9 | 9 |
| 10 #include "base/callback.h" | 10 #include "base/callback.h" |
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| 55 private: | 55 private: |
| 56 enum DecoderState { | 56 enum DecoderState { |
| 57 kUninitialized, | 57 kUninitialized, |
| 58 kNormal, | 58 kNormal, |
| 59 kDecodeFinished, | 59 kDecodeFinished, |
| 60 kError | 60 kError |
| 61 }; | 61 }; |
| 62 | 62 |
| 63 // Handles decoding an unencrypted encoded buffer. | 63 // Handles decoding an unencrypted encoded buffer. |
| 64 bool FFmpegDecode(const scoped_refptr<DecoderBuffer>& buffer, | 64 bool FFmpegDecode(const scoped_refptr<DecoderBuffer>& buffer, |
| 65 bool* produced_frame); | 65 bool* has_produced_frame); |
| 66 | 66 |
| 67 // Handles (re-)initializing the decoder with a (new) config. | 67 // Handles (re-)initializing the decoder with a (new) config. |
| 68 // Returns true if initialization was successful. | 68 // Returns true if initialization was successful. |
| 69 bool ConfigureDecoder(bool low_delay); | 69 bool ConfigureDecoder(bool low_delay); |
| 70 | 70 |
| 71 // Releases resources associated with |codec_context_| and |av_frame_| | 71 // Releases resources associated with |codec_context_| and |av_frame_| |
| 72 // and resets them to NULL. | 72 // and resets them to NULL. |
| 73 void ReleaseFFmpegResources(); | 73 void ReleaseFFmpegResources(); |
| 74 | 74 |
| 75 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 75 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
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| 87 VideoFramePool frame_pool_; | 87 VideoFramePool frame_pool_; |
| 88 | 88 |
| 89 bool decode_nalus_; | 89 bool decode_nalus_; |
| 90 | 90 |
| 91 DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecoder); | 91 DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecoder); |
| 92 }; | 92 }; |
| 93 | 93 |
| 94 } // namespace media | 94 } // namespace media |
| 95 | 95 |
| 96 #endif // MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_ | 96 #endif // MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_ |
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