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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 #include "media/formats/mpeg/mpeg_audio_stream_parser_base.h" | 5 #include "media/formats/mpeg/mpeg_audio_stream_parser_base.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/callback_helpers.h" | 8 #include "base/callback_helpers.h" |
| 9 #include "base/message_loop/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
| 10 #include "media/base/buffers.h" | 10 #include "media/base/buffers.h" |
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| 37 was_lf = true; | 37 was_lf = true; |
| 38 } else if (c != '\r' || last_c != '\n') { | 38 } else if (c != '\r' || last_c != '\n') { |
| 39 was_lf = false; | 39 was_lf = false; |
| 40 } | 40 } |
| 41 last_c = c; | 41 last_c = c; |
| 42 } | 42 } |
| 43 return -1; | 43 return -1; |
| 44 } | 44 } |
| 45 | 45 |
| 46 MPEGAudioStreamParserBase::MPEGAudioStreamParserBase(uint32 start_code_mask, | 46 MPEGAudioStreamParserBase::MPEGAudioStreamParserBase(uint32 start_code_mask, |
| 47 AudioCodec audio_codec, | 47 AudioCodec audio_codec) |
| 48 int codec_delay) | |
| 49 : state_(UNINITIALIZED), | 48 : state_(UNINITIALIZED), |
| 50 in_media_segment_(false), | 49 in_media_segment_(false), |
| 51 start_code_mask_(start_code_mask), | 50 start_code_mask_(start_code_mask), |
| 52 audio_codec_(audio_codec), | 51 audio_codec_(audio_codec) {} |
| 53 codec_delay_(codec_delay) {} | |
| 54 | 52 |
| 55 MPEGAudioStreamParserBase::~MPEGAudioStreamParserBase() {} | 53 MPEGAudioStreamParserBase::~MPEGAudioStreamParserBase() {} |
| 56 | 54 |
| 57 void MPEGAudioStreamParserBase::Init(const InitCB& init_cb, | 55 void MPEGAudioStreamParserBase::Init(const InitCB& init_cb, |
| 58 const NewConfigCB& config_cb, | 56 const NewConfigCB& config_cb, |
| 59 const NewBuffersCB& new_buffers_cb, | 57 const NewBuffersCB& new_buffers_cb, |
| 60 bool ignore_text_tracks, | 58 bool ignore_text_tracks, |
| 61 const NeedKeyCB& need_key_cb, | 59 const NeedKeyCB& need_key_cb, |
| 62 const NewMediaSegmentCB& new_segment_cb, | 60 const NewMediaSegmentCB& new_segment_cb, |
| 63 const base::Closure& end_of_segment_cb, | 61 const base::Closure& end_of_segment_cb, |
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| 194 config_.channel_layout() != channel_layout)) { | 192 config_.channel_layout() != channel_layout)) { |
| 195 // Clear config data so that a config change is initiated. | 193 // Clear config data so that a config change is initiated. |
| 196 config_ = AudioDecoderConfig(); | 194 config_ = AudioDecoderConfig(); |
| 197 | 195 |
| 198 // Send all buffers associated with the previous config. | 196 // Send all buffers associated with the previous config. |
| 199 if (!buffers->empty() && !SendBuffers(buffers, true)) | 197 if (!buffers->empty() && !SendBuffers(buffers, true)) |
| 200 return -1; | 198 return -1; |
| 201 } | 199 } |
| 202 | 200 |
| 203 if (!config_.IsValidConfig()) { | 201 if (!config_.IsValidConfig()) { |
| 204 config_.Initialize(audio_codec_, | 202 config_.Initialize(audio_codec_, kSampleFormatF32, channel_layout, |
| 205 kSampleFormatF32, | 203 sample_rate, NULL, 0, false, false, |
| 206 channel_layout, | 204 base::TimeDelta(), base::TimeDelta()); |
| 207 sample_rate, | |
| 208 NULL, | |
| 209 0, | |
| 210 false, | |
| 211 false, | |
| 212 base::TimeDelta(), | |
| 213 codec_delay_); | |
| 214 | 205 |
| 215 base::TimeDelta base_timestamp; | 206 base::TimeDelta base_timestamp; |
| 216 if (timestamp_helper_) | 207 if (timestamp_helper_) |
| 217 base_timestamp = timestamp_helper_->GetTimestamp(); | 208 base_timestamp = timestamp_helper_->GetTimestamp(); |
| 218 | 209 |
| 219 timestamp_helper_.reset(new AudioTimestampHelper(sample_rate)); | 210 timestamp_helper_.reset(new AudioTimestampHelper(sample_rate)); |
| 220 timestamp_helper_->SetBaseTimestamp(base_timestamp); | 211 timestamp_helper_->SetBaseTimestamp(base_timestamp); |
| 221 | 212 |
| 222 VideoDecoderConfig video_config; | 213 VideoDecoderConfig video_config; |
| 223 bool success = config_cb_.Run(config_, video_config, TextTrackConfigMap()); | 214 bool success = config_cb_.Run(config_, video_config, TextTrackConfigMap()); |
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| 410 if (end_of_segment) { | 401 if (end_of_segment) { |
| 411 in_media_segment_ = false; | 402 in_media_segment_ = false; |
| 412 end_of_segment_cb_.Run(); | 403 end_of_segment_cb_.Run(); |
| 413 } | 404 } |
| 414 | 405 |
| 415 timestamp_helper_->SetBaseTimestamp(base::TimeDelta()); | 406 timestamp_helper_->SetBaseTimestamp(base::TimeDelta()); |
| 416 return true; | 407 return true; |
| 417 } | 408 } |
| 418 | 409 |
| 419 } // namespace media | 410 } // namespace media |
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