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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_OPUS_AUDIO_DECODER_H_ | 5 #ifndef MEDIA_FILTERS_OPUS_AUDIO_DECODER_H_ |
6 #define MEDIA_FILTERS_OPUS_AUDIO_DECODER_H_ | 6 #define MEDIA_FILTERS_OPUS_AUDIO_DECODER_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/time/time.h" | 9 #include "base/time/time.h" |
10 #include "media/base/audio_decoder.h" | 10 #include "media/base/audio_decoder.h" |
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25 struct QueuedAudioBuffer; | 25 struct QueuedAudioBuffer; |
26 | 26 |
27 class MEDIA_EXPORT OpusAudioDecoder : public AudioDecoder { | 27 class MEDIA_EXPORT OpusAudioDecoder : public AudioDecoder { |
28 public: | 28 public: |
29 explicit OpusAudioDecoder( | 29 explicit OpusAudioDecoder( |
30 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner); | 30 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner); |
31 virtual ~OpusAudioDecoder(); | 31 virtual ~OpusAudioDecoder(); |
32 | 32 |
33 // AudioDecoder implementation. | 33 // AudioDecoder implementation. |
34 virtual void Initialize(const AudioDecoderConfig& config, | 34 virtual void Initialize(const AudioDecoderConfig& config, |
35 const PipelineStatusCB& status_cb) OVERRIDE; | 35 const PipelineStatusCB& status_cb, |
| 36 const OutputCB& output_cb) OVERRIDE; |
36 virtual void Decode(const scoped_refptr<DecoderBuffer>& buffer, | 37 virtual void Decode(const scoped_refptr<DecoderBuffer>& buffer, |
37 const DecodeCB& decode_cb) OVERRIDE; | 38 const DecodeCB& decode_cb) OVERRIDE; |
38 virtual void Reset(const base::Closure& closure) OVERRIDE; | 39 virtual void Reset(const base::Closure& closure) OVERRIDE; |
39 virtual void Stop() OVERRIDE; | 40 virtual void Stop() OVERRIDE; |
40 | 41 |
41 private: | 42 private: |
42 // Reads from the demuxer stream with corresponding callback method. | 43 // Reads from the demuxer stream with corresponding callback method. |
43 void ReadFromDemuxerStream(); | 44 void ReadFromDemuxerStream(); |
44 void DecodeBuffer(const scoped_refptr<DecoderBuffer>& input, | 45 void DecodeBuffer(const scoped_refptr<DecoderBuffer>& input, |
45 const DecodeCB& decode_cb); | 46 const DecodeCB& decode_cb); |
46 | 47 |
47 bool ConfigureDecoder(); | 48 bool ConfigureDecoder(); |
48 void CloseDecoder(); | 49 void CloseDecoder(); |
49 void ResetTimestampState(); | 50 void ResetTimestampState(); |
50 bool Decode(const scoped_refptr<DecoderBuffer>& input, | 51 bool Decode(const scoped_refptr<DecoderBuffer>& input, |
51 scoped_refptr<AudioBuffer>* output_buffer); | 52 scoped_refptr<AudioBuffer>* output_buffer); |
52 | 53 |
53 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 54 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
54 | 55 |
55 AudioDecoderConfig config_; | 56 AudioDecoderConfig config_; |
| 57 OutputCB output_cb_; |
56 OpusMSDecoder* opus_decoder_; | 58 OpusMSDecoder* opus_decoder_; |
57 | 59 |
58 // When the input timestamp is |start_input_timestamp_| the decoder needs to | 60 // When the input timestamp is |start_input_timestamp_| the decoder needs to |
59 // drop |config_.codec_delay()| frames. | 61 // drop |config_.codec_delay()| frames. |
60 base::TimeDelta start_input_timestamp_; | 62 base::TimeDelta start_input_timestamp_; |
61 | 63 |
62 scoped_ptr<AudioDiscardHelper> discard_helper_; | 64 scoped_ptr<AudioDiscardHelper> discard_helper_; |
63 | 65 |
64 DISALLOW_IMPLICIT_CONSTRUCTORS(OpusAudioDecoder); | 66 DISALLOW_IMPLICIT_CONSTRUCTORS(OpusAudioDecoder); |
65 }; | 67 }; |
66 | 68 |
67 } // namespace media | 69 } // namespace media |
68 | 70 |
69 #endif // MEDIA_FILTERS_OPUS_AUDIO_DECODER_H_ | 71 #endif // MEDIA_FILTERS_OPUS_AUDIO_DECODER_H_ |
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