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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 |
11 #include "base/callback.h" | 11 #include "base/callback.h" |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "base/memory/ref_counted.h" | |
13 #include "base/threading/thread_checker.h" | 14 #include "base/threading/thread_checker.h" |
14 #include "media/base/video_decoder.h" | 15 #include "media/base/video_decoder.h" |
15 #include "media/base/video_decoder_config.h" | 16 #include "media/base/video_decoder_config.h" |
16 #include "media/base/video_frame_pool.h" | 17 #include "media/base/video_frame_pool.h" |
17 #include "media/ffmpeg/ffmpeg_deleters.h" | 18 #include "media/ffmpeg/ffmpeg_deleters.h" |
18 | 19 |
19 struct AVCodecContext; | 20 struct AVCodecContext; |
20 struct AVFrame; | 21 struct AVFrame; |
21 | 22 |
22 namespace media { | 23 namespace media { |
23 | 24 |
24 class DecoderBuffer; | 25 class DecoderBuffer; |
26 class MediaLog; | |
25 | 27 |
26 class MEDIA_EXPORT FFmpegVideoDecoder : public VideoDecoder { | 28 class MEDIA_EXPORT FFmpegVideoDecoder : public VideoDecoder { |
27 public: | 29 public: |
28 static bool IsCodecSupported(VideoCodec codec); | 30 static bool IsCodecSupported(VideoCodec codec); |
29 | 31 |
30 FFmpegVideoDecoder(); | 32 FFmpegVideoDecoder(scoped_refptr<MediaLog> media_log); |
DaleCurtis
2017/03/22 00:43:16
explicit
sandersd (OOO until July 31)
2017/03/23 23:34:36
Done.
| |
31 ~FFmpegVideoDecoder() override; | 33 ~FFmpegVideoDecoder() override; |
32 | 34 |
33 // Allow decoding of individual NALU. Entire frames are required by default. | 35 // Allow decoding of individual NALU. Entire frames are required by default. |
34 // Disables low-latency mode. Must be called before Initialize(). | 36 // Disables low-latency mode. Must be called before Initialize(). |
35 void set_decode_nalus(bool decode_nalus) { decode_nalus_ = decode_nalus; } | 37 void set_decode_nalus(bool decode_nalus) { decode_nalus_ = decode_nalus; } |
36 | 38 |
37 // VideoDecoder implementation. | 39 // VideoDecoder implementation. |
38 std::string GetDisplayName() const override; | 40 std::string GetDisplayName() const override; |
39 void Initialize(const VideoDecoderConfig& config, | 41 void Initialize(const VideoDecoderConfig& config, |
40 bool low_delay, | 42 bool low_delay, |
(...skipping 25 matching lines...) Expand all Loading... | |
66 | 68 |
67 // Handles (re-)initializing the decoder with a (new) config. | 69 // Handles (re-)initializing the decoder with a (new) config. |
68 // Returns true if initialization was successful. | 70 // Returns true if initialization was successful. |
69 bool ConfigureDecoder(bool low_delay); | 71 bool ConfigureDecoder(bool low_delay); |
70 | 72 |
71 // Releases resources associated with |codec_context_| and |av_frame_| | 73 // Releases resources associated with |codec_context_| and |av_frame_| |
72 // and resets them to NULL. | 74 // and resets them to NULL. |
73 void ReleaseFFmpegResources(); | 75 void ReleaseFFmpegResources(); |
74 | 76 |
75 base::ThreadChecker thread_checker_; | 77 base::ThreadChecker thread_checker_; |
78 scoped_refptr<MediaLog> media_log_; | |
76 | 79 |
77 DecoderState state_; | 80 DecoderState state_; |
78 | 81 |
79 OutputCB output_cb_; | 82 OutputCB output_cb_; |
80 | 83 |
81 // FFmpeg structures owned by this object. | 84 // FFmpeg structures owned by this object. |
82 std::unique_ptr<AVCodecContext, ScopedPtrAVFreeContext> codec_context_; | 85 std::unique_ptr<AVCodecContext, ScopedPtrAVFreeContext> codec_context_; |
83 std::unique_ptr<AVFrame, ScopedPtrAVFreeFrame> av_frame_; | 86 std::unique_ptr<AVFrame, ScopedPtrAVFreeFrame> av_frame_; |
84 | 87 |
85 VideoDecoderConfig config_; | 88 VideoDecoderConfig config_; |
86 | 89 |
87 VideoFramePool frame_pool_; | 90 VideoFramePool frame_pool_; |
88 | 91 |
89 bool decode_nalus_; | 92 bool decode_nalus_; |
90 | 93 |
91 DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecoder); | 94 DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecoder); |
92 }; | 95 }; |
93 | 96 |
94 } // namespace media | 97 } // namespace media |
95 | 98 |
96 #endif // MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_ | 99 #endif // MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_ |
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