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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "base/logging.h" | 5 #include "base/logging.h" |
| 6 #include "media/cast/audio_receiver/audio_decoder.h" | 6 #include "media/cast/audio_receiver/audio_decoder.h" |
| 7 | 7 |
| 8 #include "third_party/webrtc/modules/audio_coding/main/interface/audio_coding_mo
dule.h" | 8 #include "third_party/webrtc/modules/audio_coding/main/interface/audio_coding_mo
dule.h" |
| 9 #include "third_party/webrtc/modules/interface/module_common_types.h" | 9 #include "third_party/webrtc/modules/interface/module_common_types.h" |
| 10 | 10 |
| 11 namespace media { | 11 namespace media { |
| 12 namespace cast { | 12 namespace cast { |
| 13 | 13 |
| 14 AudioDecoder::AudioDecoder(scoped_refptr<CastThread> cast_thread, | 14 AudioDecoder::AudioDecoder(scoped_refptr<CastThread> cast_thread, |
| 15 const AudioReceiverConfig& audio_config) | 15 const AudioReceiverConfig& audio_config) |
| 16 : cast_thread_(cast_thread), | 16 : audio_decoder_(webrtc::AudioCodingModule::Create(0)), |
| 17 have_received_packets_(false) { | 17 have_received_packets_(false), |
| 18 audio_decoder_ = webrtc::AudioCodingModule::Create(0); | 18 cast_thread_(cast_thread) { |
| 19 audio_decoder_->InitializeReceiver(); | 19 audio_decoder_->InitializeReceiver(); |
| 20 | 20 |
| 21 webrtc::CodecInst receive_codec; | 21 webrtc::CodecInst receive_codec; |
| 22 switch (audio_config.codec) { | 22 switch (audio_config.codec) { |
| 23 case kPcm16: | 23 case kPcm16: |
| 24 receive_codec.pltype = audio_config.rtp_payload_type; | 24 receive_codec.pltype = audio_config.rtp_payload_type; |
| 25 strncpy(receive_codec.plname, "L16", 4); | 25 strncpy(receive_codec.plname, "L16", 4); |
| 26 receive_codec.plfreq = audio_config.frequency; | 26 receive_codec.plfreq = audio_config.frequency; |
| 27 receive_codec.pacsize = -1; | 27 receive_codec.pacsize = -1; |
| 28 receive_codec.channels = audio_config.channels; | 28 receive_codec.channels = audio_config.channels; |
| (...skipping 13 matching lines...) Expand all Loading... |
| 42 } | 42 } |
| 43 if (audio_decoder_->RegisterReceiveCodec(receive_codec) != 0) { | 43 if (audio_decoder_->RegisterReceiveCodec(receive_codec) != 0) { |
| 44 DCHECK(false) << "Failed to register receive codec"; | 44 DCHECK(false) << "Failed to register receive codec"; |
| 45 } | 45 } |
| 46 | 46 |
| 47 audio_decoder_->SetMaximumPlayoutDelay(audio_config.rtp_max_delay_ms); | 47 audio_decoder_->SetMaximumPlayoutDelay(audio_config.rtp_max_delay_ms); |
| 48 audio_decoder_->SetPlayoutMode(webrtc::streaming); | 48 audio_decoder_->SetPlayoutMode(webrtc::streaming); |
| 49 } | 49 } |
| 50 | 50 |
| 51 AudioDecoder::~AudioDecoder() { | 51 AudioDecoder::~AudioDecoder() { |
| 52 webrtc::AudioCodingModule::Destroy(audio_decoder_); | |
| 53 } | 52 } |
| 54 | 53 |
| 55 bool AudioDecoder::GetRawAudioFrame(int number_of_10ms_blocks, | 54 bool AudioDecoder::GetRawAudioFrame(int number_of_10ms_blocks, |
| 56 int desired_frequency, | 55 int desired_frequency, |
| 57 PcmAudioFrame* audio_frame, | 56 PcmAudioFrame* audio_frame, |
| 58 uint32* rtp_timestamp) { | 57 uint32* rtp_timestamp) { |
| 59 DCHECK(cast_thread_->CurrentlyOn(CastThread::AUDIO_DECODER)); | 58 DCHECK(cast_thread_->CurrentlyOn(CastThread::AUDIO_DECODER)); |
| 60 if (!have_received_packets_) return false; | 59 if (!have_received_packets_) return false; |
| 61 | 60 |
| 62 for (int i = 0; i < number_of_10ms_blocks; ++i) { | 61 for (int i = 0; i < number_of_10ms_blocks; ++i) { |
| (...skipping 27 matching lines...) Expand all Loading... |
| 90 } | 89 } |
| 91 | 90 |
| 92 void AudioDecoder::IncomingParsedRtpPacket(const uint8* payload_data, | 91 void AudioDecoder::IncomingParsedRtpPacket(const uint8* payload_data, |
| 93 int payload_size, | 92 int payload_size, |
| 94 const RtpCastHeader& rtp_header) { | 93 const RtpCastHeader& rtp_header) { |
| 95 have_received_packets_ = true; | 94 have_received_packets_ = true; |
| 96 audio_decoder_->IncomingPacket(payload_data, payload_size, rtp_header.webrtc); | 95 audio_decoder_->IncomingPacket(payload_data, payload_size, rtp_header.webrtc); |
| 97 } | 96 } |
| 98 | 97 |
| 99 } // namespace cast | 98 } // namespace cast |
| 100 } // namespace media | 99 } // namespace media |
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