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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_AUDIO_DECODER_H_ | 5 #ifndef MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_ |
6 #define MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_ | 6 #define MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_ |
7 | 7 |
8 #include <list> | 8 #include <list> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
12 #include "base/memory/weak_ptr.h" | 12 #include "base/memory/weak_ptr.h" |
13 #include "base/time/time.h" | 13 #include "base/time/time.h" |
14 #include "media/base/audio_decoder.h" | 14 #include "media/base/audio_decoder.h" |
15 #include "media/base/demuxer_stream.h" | 15 #include "media/base/demuxer_stream.h" |
16 #include "media/base/sample_format.h" | 16 #include "media/base/sample_format.h" |
| 17 #include "media/ffmpeg/ffmpeg_deleters.h" |
17 | 18 |
18 struct AVCodecContext; | 19 struct AVCodecContext; |
19 struct AVFrame; | 20 struct AVFrame; |
20 | 21 |
21 namespace base { | 22 namespace base { |
22 class SingleThreadTaskRunner; | 23 class SingleThreadTaskRunner; |
23 } | 24 } |
24 | 25 |
25 namespace media { | 26 namespace media { |
26 | 27 |
27 class AudioTimestampHelper; | 28 class AudioTimestampHelper; |
28 class DecoderBuffer; | 29 class DecoderBuffer; |
29 class ScopedPtrAVFreeContext; | |
30 class ScopedPtrAVFreeFrame; | |
31 | 30 |
32 class MEDIA_EXPORT FFmpegAudioDecoder : public AudioDecoder { | 31 class MEDIA_EXPORT FFmpegAudioDecoder : public AudioDecoder { |
33 public: | 32 public: |
34 explicit FFmpegAudioDecoder( | 33 explicit FFmpegAudioDecoder( |
35 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner); | 34 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner); |
36 virtual ~FFmpegAudioDecoder(); | 35 virtual ~FFmpegAudioDecoder(); |
37 | 36 |
38 // AudioDecoder implementation. | 37 // AudioDecoder implementation. |
39 virtual void Initialize(const AudioDecoderConfig& config, | 38 virtual void Initialize(const AudioDecoderConfig& config, |
40 const PipelineStatusCB& status_cb) OVERRIDE; | 39 const PipelineStatusCB& status_cb) OVERRIDE; |
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73 void ReleaseFFmpegResources(); | 72 void ReleaseFFmpegResources(); |
74 void ResetTimestampState(); | 73 void ResetTimestampState(); |
75 | 74 |
76 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 75 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
77 base::WeakPtrFactory<FFmpegAudioDecoder> weak_factory_; | 76 base::WeakPtrFactory<FFmpegAudioDecoder> weak_factory_; |
78 base::WeakPtr<FFmpegAudioDecoder> weak_this_; | 77 base::WeakPtr<FFmpegAudioDecoder> weak_this_; |
79 | 78 |
80 DecoderState state_; | 79 DecoderState state_; |
81 | 80 |
82 // FFmpeg structures owned by this object. | 81 // FFmpeg structures owned by this object. |
83 scoped_ptr_malloc<AVCodecContext, ScopedPtrAVFreeContext> codec_context_; | 82 scoped_ptr<AVCodecContext, ScopedPtrAVFreeContext> codec_context_; |
84 scoped_ptr_malloc<AVFrame, ScopedPtrAVFreeFrame> av_frame_; | 83 scoped_ptr<AVFrame, ScopedPtrAVFreeFrame> av_frame_; |
85 | 84 |
86 // Decoded audio format. | 85 // Decoded audio format. |
87 int bytes_per_channel_; | 86 int bytes_per_channel_; |
88 ChannelLayout channel_layout_; | 87 ChannelLayout channel_layout_; |
89 int channels_; | 88 int channels_; |
90 int samples_per_second_; | 89 int samples_per_second_; |
91 | 90 |
92 // AVSampleFormat initially requested; not Chrome's SampleFormat. | 91 // AVSampleFormat initially requested; not Chrome's SampleFormat. |
93 int av_sample_format_; | 92 int av_sample_format_; |
94 SampleFormat sample_format_; | 93 SampleFormat sample_format_; |
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105 // Since multiple frames may be decoded from the same packet we need to queue | 104 // Since multiple frames may be decoded from the same packet we need to queue |
106 // them up. | 105 // them up. |
107 std::list<scoped_refptr<AudioBuffer> > queued_audio_; | 106 std::list<scoped_refptr<AudioBuffer> > queued_audio_; |
108 | 107 |
109 DISALLOW_IMPLICIT_CONSTRUCTORS(FFmpegAudioDecoder); | 108 DISALLOW_IMPLICIT_CONSTRUCTORS(FFmpegAudioDecoder); |
110 }; | 109 }; |
111 | 110 |
112 } // namespace media | 111 } // namespace media |
113 | 112 |
114 #endif // MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_ | 113 #endif // MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_ |
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