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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 #include <memory> | 9 #include <memory> |
10 | 10 |
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22 | 22 |
23 namespace media { | 23 namespace media { |
24 | 24 |
25 class DecoderBuffer; | 25 class DecoderBuffer; |
26 class MediaLog; | 26 class MediaLog; |
27 | 27 |
28 class MEDIA_EXPORT FFmpegVideoDecoder : public VideoDecoder { | 28 class MEDIA_EXPORT FFmpegVideoDecoder : public VideoDecoder { |
29 public: | 29 public: |
30 static bool IsCodecSupported(VideoCodec codec); | 30 static bool IsCodecSupported(VideoCodec codec); |
31 | 31 |
32 explicit FFmpegVideoDecoder(scoped_refptr<MediaLog> media_log); | 32 explicit FFmpegVideoDecoder(MediaLog* media_log); |
33 ~FFmpegVideoDecoder() override; | 33 ~FFmpegVideoDecoder() override; |
34 | 34 |
35 // Allow decoding of individual NALU. Entire frames are required by default. | 35 // Allow decoding of individual NALU. Entire frames are required by default. |
36 // Disables low-latency mode. Must be called before Initialize(). | 36 // Disables low-latency mode. Must be called before Initialize(). |
37 void set_decode_nalus(bool decode_nalus) { decode_nalus_ = decode_nalus; } | 37 void set_decode_nalus(bool decode_nalus) { decode_nalus_ = decode_nalus; } |
38 | 38 |
39 // VideoDecoder implementation. | 39 // VideoDecoder implementation. |
40 std::string GetDisplayName() const override; | 40 std::string GetDisplayName() const override; |
41 void Initialize(const VideoDecoderConfig& config, | 41 void Initialize(const VideoDecoderConfig& config, |
42 bool low_delay, | 42 bool low_delay, |
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68 | 68 |
69 // Handles (re-)initializing the decoder with a (new) config. | 69 // Handles (re-)initializing the decoder with a (new) config. |
70 // Returns true if initialization was successful. | 70 // Returns true if initialization was successful. |
71 bool ConfigureDecoder(bool low_delay); | 71 bool ConfigureDecoder(bool low_delay); |
72 | 72 |
73 // Releases resources associated with |codec_context_| and |av_frame_| | 73 // Releases resources associated with |codec_context_| and |av_frame_| |
74 // and resets them to NULL. | 74 // and resets them to NULL. |
75 void ReleaseFFmpegResources(); | 75 void ReleaseFFmpegResources(); |
76 | 76 |
77 base::ThreadChecker thread_checker_; | 77 base::ThreadChecker thread_checker_; |
78 scoped_refptr<MediaLog> media_log_; | 78 MediaLog* media_log_; |
79 | 79 |
80 DecoderState state_; | 80 DecoderState state_; |
81 | 81 |
82 OutputCB output_cb_; | 82 OutputCB output_cb_; |
83 | 83 |
84 // FFmpeg structures owned by this object. | 84 // FFmpeg structures owned by this object. |
85 std::unique_ptr<AVCodecContext, ScopedPtrAVFreeContext> codec_context_; | 85 std::unique_ptr<AVCodecContext, ScopedPtrAVFreeContext> codec_context_; |
86 std::unique_ptr<AVFrame, ScopedPtrAVFreeFrame> av_frame_; | 86 std::unique_ptr<AVFrame, ScopedPtrAVFreeFrame> av_frame_; |
87 | 87 |
88 VideoDecoderConfig config_; | 88 VideoDecoderConfig config_; |
89 | 89 |
90 VideoFramePool frame_pool_; | 90 VideoFramePool frame_pool_; |
91 | 91 |
92 bool decode_nalus_; | 92 bool decode_nalus_; |
93 | 93 |
94 DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecoder); | 94 DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecoder); |
95 }; | 95 }; |
96 | 96 |
97 } // namespace media | 97 } // namespace media |
98 | 98 |
99 #endif // MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_ | 99 #endif // MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_ |
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