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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_FORMATS_MP2T_ES_PARSER_ADTS_H_ | 5 #ifndef MEDIA_FORMATS_MP2T_ES_PARSER_ADTS_H_ |
| 6 #define MEDIA_FORMATS_MP2T_ES_PARSER_ADTS_H_ | 6 #define MEDIA_FORMATS_MP2T_ES_PARSER_ADTS_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <list> | 10 #include <list> |
| 11 #include <memory> | 11 #include <memory> |
| 12 #include <utility> | 12 #include <utility> |
| 13 | 13 |
| 14 #include "base/callback.h" | 14 #include "base/callback.h" |
| 15 #include "base/compiler_specific.h" | 15 #include "base/compiler_specific.h" |
| 16 #include "base/macros.h" | 16 #include "base/macros.h" |
| 17 #include "base/time/time.h" | 17 #include "base/time/time.h" |
| 18 #include "media/base/audio_decoder_config.h" | 18 #include "media/base/audio_decoder_config.h" |
| 19 #include "media/base/media_export.h" | 19 #include "media/base/media_export.h" |
| 20 #include "media/formats/mp2t/es_parser.h" | 20 #include "media/formats/mp2t/es_parser.h" |
| 21 #include "media/formats/mpeg/adts_stream_parser.h" |
| 21 | 22 |
| 22 namespace media { | 23 namespace media { |
| 23 class AudioTimestampHelper; | 24 class AudioTimestampHelper; |
| 24 class BitReader; | 25 class BitReader; |
| 25 class OffsetByteQueue; | 26 class OffsetByteQueue; |
| 26 class StreamParserBuffer; | 27 class StreamParserBuffer; |
| 27 } | 28 } |
| 28 | 29 |
| 29 namespace media { | 30 namespace media { |
| 30 namespace mp2t { | 31 namespace mp2t { |
| (...skipping 23 matching lines...) Expand all Loading... |
| 54 // |adts_frame| structure is filled up accordingly. | 55 // |adts_frame| structure is filled up accordingly. |
| 55 // Returns false otherwise (no ADTS syncword found or partial ADTS frame). | 56 // Returns false otherwise (no ADTS syncword found or partial ADTS frame). |
| 56 bool LookForAdtsFrame(AdtsFrame* adts_frame); | 57 bool LookForAdtsFrame(AdtsFrame* adts_frame); |
| 57 | 58 |
| 58 // Skip an ADTS frame in the ES queue. | 59 // Skip an ADTS frame in the ES queue. |
| 59 void SkipAdtsFrame(const AdtsFrame& adts_frame); | 60 void SkipAdtsFrame(const AdtsFrame& adts_frame); |
| 60 | 61 |
| 61 // Signal any audio configuration change (if any). | 62 // Signal any audio configuration change (if any). |
| 62 // Return false if the current audio config is not | 63 // Return false if the current audio config is not |
| 63 // a supported ADTS audio config. | 64 // a supported ADTS audio config. |
| 64 bool UpdateAudioConfiguration(const uint8_t* adts_header); | 65 bool UpdateAudioConfiguration(const uint8_t* adts_header, int size); |
| 65 | 66 |
| 66 // Callbacks: | 67 // Callbacks: |
| 67 // - to signal a new audio configuration, | 68 // - to signal a new audio configuration, |
| 68 // - to send ES buffers. | 69 // - to send ES buffers. |
| 69 NewAudioConfigCB new_audio_config_cb_; | 70 NewAudioConfigCB new_audio_config_cb_; |
| 70 EmitBufferCB emit_buffer_cb_; | 71 EmitBufferCB emit_buffer_cb_; |
| 71 | 72 |
| 72 // True when AAC SBR extension is signalled in the mimetype | 73 // True when AAC SBR extension is signalled in the mimetype |
| 73 // (mp4a.40.5 in the codecs parameter). | 74 // (mp4a.40.5 in the codecs parameter). |
| 74 bool sbr_in_mimetype_; | 75 bool sbr_in_mimetype_; |
| 75 | 76 |
| 76 // Interpolated PTS for frames that don't have one. | 77 // Interpolated PTS for frames that don't have one. |
| 77 std::unique_ptr<AudioTimestampHelper> audio_timestamp_helper_; | 78 std::unique_ptr<AudioTimestampHelper> audio_timestamp_helper_; |
| 78 | 79 |
| 79 // Last audio config. | 80 // Last audio config. |
| 80 AudioDecoderConfig last_audio_decoder_config_; | 81 AudioDecoderConfig last_audio_decoder_config_; |
| 81 | 82 |
| 83 ADTSStreamParser adts_parser_; |
| 84 |
| 82 DISALLOW_COPY_AND_ASSIGN(EsParserAdts); | 85 DISALLOW_COPY_AND_ASSIGN(EsParserAdts); |
| 83 }; | 86 }; |
| 84 | 87 |
| 85 } // namespace mp2t | 88 } // namespace mp2t |
| 86 } // namespace media | 89 } // namespace media |
| 87 | 90 |
| 88 #endif // MEDIA_FORMATS_MP2T_ES_PARSER_ADTS_H_ | 91 #endif // MEDIA_FORMATS_MP2T_ES_PARSER_ADTS_H_ |
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