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Side by Side Diff: media/filters/ffmpeg_audio_decoder.h

Issue 10669022: Add status parameter to DemuxerStream::ReadCB (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix seek_tester build buster Created 8 years, 5 months ago
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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/message_loop.h" 11 #include "base/message_loop.h"
12 #include "media/base/audio_decoder.h" 12 #include "media/base/audio_decoder.h"
13 #include "media/base/demuxer_stream.h"
13 14
14 struct AVCodecContext; 15 struct AVCodecContext;
15 struct AVFrame; 16 struct AVFrame;
16 17
17 namespace media { 18 namespace media {
18 19
19 class DataBuffer; 20 class DataBuffer;
20 class DecoderBuffer; 21 class DecoderBuffer;
21 22
22 class MEDIA_EXPORT FFmpegAudioDecoder : public AudioDecoder { 23 class MEDIA_EXPORT FFmpegAudioDecoder : public AudioDecoder {
(...skipping 13 matching lines...) Expand all
36 protected: 37 protected:
37 virtual ~FFmpegAudioDecoder(); 38 virtual ~FFmpegAudioDecoder();
38 39
39 private: 40 private:
40 // Methods running on decoder thread. 41 // Methods running on decoder thread.
41 void DoInitialize(const scoped_refptr<DemuxerStream>& stream, 42 void DoInitialize(const scoped_refptr<DemuxerStream>& stream,
42 const PipelineStatusCB& status_cb, 43 const PipelineStatusCB& status_cb,
43 const StatisticsCB& statistics_cb); 44 const StatisticsCB& statistics_cb);
44 void DoReset(const base::Closure& closure); 45 void DoReset(const base::Closure& closure);
45 void DoRead(const ReadCB& read_cb); 46 void DoRead(const ReadCB& read_cb);
46 void DoDecodeBuffer(const scoped_refptr<DecoderBuffer>& input); 47 void DoDecodeBuffer(DemuxerStream::Status status,
48 const scoped_refptr<DecoderBuffer>& input);
47 49
48 // Reads from the demuxer stream with corresponding callback method. 50 // Reads from the demuxer stream with corresponding callback method.
49 void ReadFromDemuxerStream(); 51 void ReadFromDemuxerStream();
50 void DecodeBuffer(const scoped_refptr<DecoderBuffer>& buffer); 52 void DecodeBuffer(DemuxerStream::Status status,
53 const scoped_refptr<DecoderBuffer>& buffer);
51 54
52 // Updates the output buffer's duration and timestamp based on the input 55 // Updates the output buffer's duration and timestamp based on the input
53 // buffer. Will fall back to an estimated timestamp if the input lacks a 56 // buffer. Will fall back to an estimated timestamp if the input lacks a
54 // valid timestamp. 57 // valid timestamp.
55 void UpdateDurationAndTimestamp(const Buffer* input, DataBuffer* output); 58 void UpdateDurationAndTimestamp(const Buffer* input, DataBuffer* output);
56 59
57 // Calculates duration based on size of decoded audio bytes. 60 // Calculates duration based on size of decoded audio bytes.
58 base::TimeDelta CalculateDuration(int size); 61 base::TimeDelta CalculateDuration(int size);
59 62
60 // Delivers decoded samples to |read_cb_| and resets the callback.
61 void DeliverSamples(const scoped_refptr<Buffer>& samples);
62
63 // This is !is_null() iff Initialize() hasn't been called. 63 // This is !is_null() iff Initialize() hasn't been called.
64 base::Callback<MessageLoop*()> message_loop_factory_cb_; 64 base::Callback<MessageLoop*()> message_loop_factory_cb_;
65 MessageLoop* message_loop_; 65 MessageLoop* message_loop_;
66 66
67 scoped_refptr<DemuxerStream> demuxer_stream_; 67 scoped_refptr<DemuxerStream> demuxer_stream_;
68 StatisticsCB statistics_cb_; 68 StatisticsCB statistics_cb_;
69 AVCodecContext* codec_context_; 69 AVCodecContext* codec_context_;
70 70
71 // Decoded audio format. 71 // Decoded audio format.
72 int bits_per_channel_; 72 int bits_per_channel_;
73 ChannelLayout channel_layout_; 73 ChannelLayout channel_layout_;
74 int samples_per_second_; 74 int samples_per_second_;
75 75
76 base::TimeDelta estimated_next_timestamp_; 76 base::TimeDelta estimated_next_timestamp_;
77 77
78 // Holds decoded audio. 78 // Holds decoded audio.
79 AVFrame* av_frame_; 79 AVFrame* av_frame_;
80 80
81 ReadCB read_cb_; 81 ReadCB read_cb_;
82 82
83 DISALLOW_IMPLICIT_CONSTRUCTORS(FFmpegAudioDecoder); 83 DISALLOW_IMPLICIT_CONSTRUCTORS(FFmpegAudioDecoder);
84 }; 84 };
85 85
86 } // namespace media 86 } // namespace media
87 87
88 #endif // MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_ 88 #endif // MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_
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