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groundwork for injector support

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This commit is contained in:
Brad Hefta-Gaub 2016-07-10 21:01:20 -07:00
parent ed9715ae5f
commit 7d608ba592
3 changed files with 33 additions and 7 deletions
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5
assignment-client/src/audio/AudioMixer.cpp
View file

@ -535,11 +535,6 @@ void AudioMixer::handleNegotiateAudioFormat(QSharedPointer<ReceivedMessage> mess
qDebug() << "selectedCodecName:" << selectedCodecName;
auto avatarAudioStream = clientData->getAvatarAudioStream();
if (avatarAudioStream) {
avatarAudioStream->setupCodec(selectedCodec, selectedCodecName, AudioConstants::MONO);
}
auto replyPacket = NLPacket::create(PacketType::SelectedAudioFormat);
// write them to our packet

26
assignment-client/src/audio/AudioMixerClientData.cpp
View file

@ -142,9 +142,16 @@ int AudioMixerClientData::parseData(ReceivedMessage& message) {
if (streamIt == _audioStreams.end()) {
// we don't have this injected stream yet, so add it
auto injectorStream = new InjectedAudioStream(streamIdentifier, isStereo, AudioMixer::getStreamSettings());
#if INJECTORS_SUPPORT_CODECS
injectorStream->setupCodec(_codec, _selectedCodecName, isStereo ? AudioConstants::STEREO : AudioConstants::MONO);
qDebug() << "creating new injectorStream... codec:" << _selectedCodecName;
#endif
auto emplaced = _audioStreams.emplace(
streamIdentifier,
std::unique_ptr<InjectedAudioStream> { new InjectedAudioStream(streamIdentifier, isStereo, AudioMixer::getStreamSettings()) }
std::unique_ptr<InjectedAudioStream> { injectorStream }
);
streamIt = emplaced.first;
@ -343,6 +350,23 @@ void AudioMixerClientData::setupCodec(CodecPluginPointer codec, const QString& c
_selectedCodecName = codecName;
_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, AudioConstants::MONO);
}
#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
}
void AudioMixerClientData::cleanupCodec() {

9
libraries/audio/src/AudioInjector.cpp
View file

@ -289,16 +289,23 @@ int64_t AudioInjector::injectNextFrame() {
_currentPacket->seek(audioDataOffset);
// This code is copying bytes from the _audioData directly into the packet, handling looping appropriately.
// Might be a reasonable place to do the encode step here.
QByteArray decodedAudio;
while (totalBytesLeftToCopy > 0) {
int bytesToCopy = std::min(totalBytesLeftToCopy, _audioData.size() - _currentSendOffset);
_currentPacket->write(_audioData.data() + _currentSendOffset, bytesToCopy);
decodedAudio.append(_audioData.data() + _currentSendOffset, bytesToCopy);
_currentSendOffset += bytesToCopy;
totalBytesLeftToCopy -= bytesToCopy;
if (_options.loop && _currentSendOffset >= _audioData.size()) {
_currentSendOffset = 0;
}
}
// FIXME -- good place to call codec encode here. We need to figure out how to tell the AudioInjector which
// codec to use... possible through AbstractAudioInterface.
QByteArray encodedAudio = decodedAudio;
_currentPacket->write(encodedAudio.data(), encodedAudio.size());
// set the correct size used for this packet
_currentPacket->setPayloadSize(_currentPacket->pos());