void AudioMixerClientData::setupCodec(CodecPluginPointer codec, const QString& codecName) {
cleanupCodec(); // cleanup any previously allocated coders first
_codec = codec;
_selectedCodecName = codecName;
if (codec) {
_encoder = codec->createEncoder(AudioConstants::SAMPLE_RATE, AudioConstants::STEREO);
_decoder = codec->createDecoder(AudioConstants::SAMPLE_RATE, AudioConstants::MONO);
}
auto avatarAudioStream = getAvatarAudioStream();
if (avatarAudioStream) {
avatarAudioStream->setupCodec(codec, codecName, avatarAudioStream->isStereo() ? AudioConstants::STEREO : AudioConstants::MONO);
qCDebug(audio) << "setting AvatarAudioStream... codec:" << _selectedCodecName << "isStereo:" << avatarAudioStream->isStereo();
}
#if INJECTORS_SUPPORT_CODECS
// fixup codecs for any active injectors...
auto it = _audioStreams.begin();
while (it != _audioStreams.end()) {
SharedStreamPointer stream = it->second;
if (stream->getType() == PositionalAudioStream::Injector) {
stream->setupCodec(codec, codecName, stream->isStereo() ? AudioConstants::STEREO : AudioConstants::MONO);
}
++it;
}
#endif
}
int AudioMixerClientData::checkBuffersBeforeFrameSend() {
QWriteLocker writeLocker { &_streamsLock };
auto it = _audioStreams.begin();
while (it != _audioStreams.end()) {
SharedStreamPointer stream = it->second;
if (stream->popFrames(1, true) > 0) {
stream->updateLastPopOutputLoudnessAndTrailingLoudness();
}
static const int INJECTOR_MAX_INACTIVE_BLOCKS = 500;
// if we don't have new data for an injected stream in the last INJECTOR_MAX_INACTIVE_BLOCKS then
// we remove the injector from our streams
if (stream->getType() == PositionalAudioStream::Injector
&& stream->getConsecutiveNotMixedCount() > INJECTOR_MAX_INACTIVE_BLOCKS) {
// this is an inactive injector, pull it from our streams
// first emit that it is finished so that the HRTF objects for this source can be cleaned up
emit injectorStreamFinished(it->second->getStreamIdentifier());
// erase the stream to drop our ref to the shared pointer and remove it
it = _audioStreams.erase(it);
} else {
++it;
}
}
return (int)_audioStreams.size();
}
