diff options
Diffstat (limited to '')
| -rw-r--r-- | third_party/libwebrtc/modules/audio_coding/codecs/opus/audio_decoder_opus.cc | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/third_party/libwebrtc/modules/audio_coding/codecs/opus/audio_decoder_opus.cc b/third_party/libwebrtc/modules/audio_coding/codecs/opus/audio_decoder_opus.cc index cff9685548..0f53409f48 100644 --- a/third_party/libwebrtc/modules/audio_coding/codecs/opus/audio_decoder_opus.cc +++ b/third_party/libwebrtc/modules/audio_coding/codecs/opus/audio_decoder_opus.cc @@ -17,12 +17,15 @@ #include "api/array_view.h" #include "modules/audio_coding/codecs/opus/audio_coder_opus_common.h" #include "rtc_base/checks.h" +#include "system_wrappers/include/field_trial.h" namespace webrtc { AudioDecoderOpusImpl::AudioDecoderOpusImpl(size_t num_channels, int sample_rate_hz) - : channels_{num_channels}, sample_rate_hz_{sample_rate_hz} { + : channels_(num_channels), + sample_rate_hz_(sample_rate_hz), + generate_plc_(field_trial::IsEnabled("WebRTC-Audio-OpusGeneratePlc")) { RTC_DCHECK(num_channels == 1 || num_channels == 2); RTC_DCHECK(sample_rate_hz == 16000 || sample_rate_hz == 48000); const int error = @@ -125,4 +128,22 @@ size_t AudioDecoderOpusImpl::Channels() const { return channels_; } +void AudioDecoderOpusImpl::GeneratePlc( + size_t requested_samples_per_channel, + rtc::BufferT<int16_t>* concealment_audio) { + if (!generate_plc_) { + return; + } + int plc_size = WebRtcOpus_PlcDuration(dec_state_) * channels_; + concealment_audio->AppendData(plc_size, [&](rtc::ArrayView<int16_t> decoded) { + int16_t temp_type = 1; + int ret = + WebRtcOpus_Decode(dec_state_, nullptr, 0, decoded.data(), &temp_type); + if (ret < 0) { + return 0; + } + return ret; + }); +} + } // namespace webrtc |