OLD | NEW |
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 <deque> | 8 #include <deque> |
9 | 9 |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
(...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
57 bool Decode(const scoped_refptr<Buffer>& buffer, | 57 bool Decode(const scoped_refptr<Buffer>& buffer, |
58 scoped_refptr<VideoFrame>* video_frame); | 58 scoped_refptr<VideoFrame>* video_frame); |
59 | 59 |
60 // Delivers the frame to |read_cb_| and resets the callback. | 60 // Delivers the frame to |read_cb_| and resets the callback. |
61 void DeliverFrame(const scoped_refptr<VideoFrame>& video_frame); | 61 void DeliverFrame(const scoped_refptr<VideoFrame>& video_frame); |
62 | 62 |
63 // Releases resources associated with |codec_context_| and |av_frame_| | 63 // Releases resources associated with |codec_context_| and |av_frame_| |
64 // and resets them to NULL. | 64 // and resets them to NULL. |
65 void ReleaseFFmpegResources(); | 65 void ReleaseFFmpegResources(); |
66 | 66 |
| 67 // Flush decoder and call |flush_cb_|. |
| 68 void DoFlush(); |
| 69 |
67 // Allocates a video frame based on the current format and dimensions based on | 70 // Allocates a video frame based on the current format and dimensions based on |
68 // the current state of |codec_context_|. | 71 // the current state of |codec_context_|. |
69 scoped_refptr<VideoFrame> AllocateVideoFrame(); | 72 scoped_refptr<VideoFrame> AllocateVideoFrame(); |
70 | 73 |
71 MessageLoop* message_loop_; | 74 MessageLoop* message_loop_; |
72 | 75 |
73 DecoderState state_; | 76 DecoderState state_; |
74 | 77 |
75 StatisticsCB statistics_cb_; | 78 StatisticsCB statistics_cb_; |
76 | 79 |
77 ReadCB read_cb_; | 80 ReadCB read_cb_; |
| 81 base::Closure flush_cb_; |
78 | 82 |
79 // FFmpeg structures owned by this object. | 83 // FFmpeg structures owned by this object. |
80 AVCodecContext* codec_context_; | 84 AVCodecContext* codec_context_; |
81 AVFrame* av_frame_; | 85 AVFrame* av_frame_; |
82 | 86 |
83 // Frame rate of the video. | 87 // Frame rate of the video. |
84 int frame_rate_numerator_; | 88 int frame_rate_numerator_; |
85 int frame_rate_denominator_; | 89 int frame_rate_denominator_; |
86 | 90 |
87 // TODO(scherkus): I think this should be calculated by VideoRenderers based | 91 // TODO(scherkus): I think this should be calculated by VideoRenderers based |
88 // on information provided by VideoDecoders (i.e., aspect ratio). | 92 // on information provided by VideoDecoders (i.e., aspect ratio). |
89 gfx::Size natural_size_; | 93 gfx::Size natural_size_; |
90 | 94 |
91 // Pointer to the demuxer stream that will feed us compressed buffers. | 95 // Pointer to the demuxer stream that will feed us compressed buffers. |
92 scoped_refptr<DemuxerStream> demuxer_stream_; | 96 scoped_refptr<DemuxerStream> demuxer_stream_; |
93 | 97 |
94 AesDecryptor decryptor_; | 98 AesDecryptor decryptor_; |
95 | 99 |
96 DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecoder); | 100 DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecoder); |
97 }; | 101 }; |
98 | 102 |
99 } // namespace media | 103 } // namespace media |
100 | 104 |
101 #endif // MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_ | 105 #endif // MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_ |
OLD | NEW |