int InjectedAudioStream::parseStreamProperties(PacketType type, const QByteArray& packetAfterSeqNum, int& numAudioSamples) {
// setup a data stream to read from this packet
QDataStream packetStream(packetAfterSeqNum);
// skip the stream identifier
packetStream.skipRawData(NUM_BYTES_RFC4122_UUID);
// pull the loopback flag and set our boolean
uchar shouldLoopback;
packetStream >> shouldLoopback;
_shouldLoopbackForNode = (shouldLoopback == 1);
// use parsePositionalData in parent PostionalAudioRingBuffer class to pull common positional data
packetStream.skipRawData(parsePositionalData(packetAfterSeqNum.mid(packetStream.device()->pos())));
// pull out the radius for this injected source - if it's zero this is a point source
packetStream >> _radius;
quint8 attenuationByte = 0;
packetStream >> attenuationByte;
_attenuationRatio = attenuationByte / (float)MAX_INJECTOR_VOLUME;
int numAudioBytes = packetAfterSeqNum.size() - packetStream.device()->pos();
numAudioSamples = numAudioBytes / sizeof(int16_t);
return packetStream.device()->pos();
}
int InjectedAudioRingBuffer::parseData(const QByteArray& packet) {
// setup a data stream to read from this packet
QDataStream packetStream(packet);
packetStream.skipRawData(numBytesForPacketHeader(packet));
// push past the stream identifier
packetStream.skipRawData(NUM_BYTES_RFC4122_UUID);
// pull the loopback flag and set our boolean
uchar shouldLoopback;
packetStream >> shouldLoopback;
_shouldLoopbackForNode = (shouldLoopback == 1);
// use parsePositionalData in parent PostionalAudioRingBuffer class to pull common positional data
packetStream.skipRawData(parsePositionalData(packet.mid(packetStream.device()->pos())));
// pull out the radius for this injected source - if it's zero this is a point source
packetStream >> _radius;
quint8 attenuationByte = 0;
packetStream >> attenuationByte;
_attenuationRatio = attenuationByte / (float) MAX_INJECTOR_VOLUME;
packetStream.skipRawData(writeData(packet.data() + packetStream.device()->pos(),
packet.size() - packetStream.device()->pos()));
return packetStream.device()->pos();
}
int PositionalAudioRingBuffer::parseData(unsigned char* sourceBuffer, int numBytes) {
unsigned char* currentBuffer = sourceBuffer + sizeof(PACKET_HEADER);
currentBuffer += parsePositionalData(currentBuffer, numBytes - (currentBuffer - sourceBuffer));
currentBuffer += parseAudioSamples(currentBuffer, numBytes - (currentBuffer - sourceBuffer));
return currentBuffer - sourceBuffer;
}
int AvatarAudioStream::parseStreamProperties(PacketType type, const QByteArray& packetAfterSeqNum, int& numAudioSamples) {
int readBytes = 0;
if (type == PacketType::SilentAudioFrame) {
const char* dataAt = packetAfterSeqNum.constData();
SilentSamplesBytes numSilentSamples = *(reinterpret_cast<const quint16*>(dataAt));
readBytes += sizeof(SilentSamplesBytes);
numAudioSamples = (int) numSilentSamples;
// read the positional data
readBytes += parsePositionalData(packetAfterSeqNum.mid(readBytes));
} else {
_shouldLoopbackForNode = (type == PacketType::MicrophoneAudioWithEcho);
// read the channel flag
ChannelFlag channelFlag = packetAfterSeqNum.at(readBytes);
bool isStereo = channelFlag == 1;
readBytes += sizeof(ChannelFlag);
// if isStereo value has changed, restart the ring buffer with new frame size
if (isStereo != _isStereo) {
_ringBuffer.resizeForFrameSize(isStereo
? AudioConstants::NETWORK_FRAME_SAMPLES_STEREO
: AudioConstants::NETWORK_FRAME_SAMPLES_PER_CHANNEL);
// restart the codec
if (_codec) {
if (_decoder) {
_codec->releaseDecoder(_decoder);
}
_decoder = _codec->createDecoder(AudioConstants::SAMPLE_RATE, isStereo ? AudioConstants::STEREO : AudioConstants::MONO);
}
qCDebug(audio) << "resetting AvatarAudioStream... codec:" << _selectedCodecName << "isStereo:" << isStereo;
_isStereo = isStereo;
}
// read the positional data
readBytes += parsePositionalData(packetAfterSeqNum.mid(readBytes));
// calculate how many samples are in this packet
int numAudioBytes = packetAfterSeqNum.size() - readBytes;
numAudioSamples = numAudioBytes / sizeof(int16_t);
}
return readBytes;
}
int PositionalAudioRingBuffer::parseData(unsigned char* sourceBuffer, int numBytes) {
unsigned char* currentBuffer = sourceBuffer + numBytesForPacketHeader(sourceBuffer);
currentBuffer += sizeof(uint16_t); // the source ID
currentBuffer += parseListenModeData(currentBuffer, numBytes - (currentBuffer - sourceBuffer));
currentBuffer += parsePositionalData(currentBuffer, numBytes - (currentBuffer - sourceBuffer));
currentBuffer += parseAudioSamples(currentBuffer, numBytes - (currentBuffer - sourceBuffer));
return currentBuffer - sourceBuffer;
}
int InjectedAudioStream::parseStreamProperties(PacketType type,
const QByteArray& packetAfterSeqNum,
int& numAudioSamples) {
// setup a data stream to read from this packet
QDataStream packetStream(packetAfterSeqNum);
// skip the stream identifier
packetStream.skipRawData(NUM_BYTES_RFC4122_UUID);
// read the channel flag
bool isStereo;
packetStream >> isStereo;
// if isStereo value has changed, restart the ring buffer with new frame size
if (isStereo != _isStereo) {
_ringBuffer.resizeForFrameSize(isStereo
? AudioConstants::NETWORK_FRAME_SAMPLES_STEREO
: AudioConstants::NETWORK_FRAME_SAMPLES_PER_CHANNEL);
_isStereo = isStereo;
}
// pull the loopback flag and set our boolean
uchar shouldLoopback;
packetStream >> shouldLoopback;
_shouldLoopbackForNode = (shouldLoopback == 1);
// use parsePositionalData in parent PostionalAudioRingBuffer class to pull common positional data
packetStream.skipRawData(parsePositionalData(packetAfterSeqNum.mid(packetStream.device()->pos())));
// pull out the radius for this injected source - if it's zero this is a point source
packetStream >> _radius;
quint8 attenuationByte = 0;
packetStream >> attenuationByte;
_attenuationRatio = attenuationByte / (float)MAX_INJECTOR_VOLUME;
packetStream >> _ignorePenumbra;
int numAudioBytes = packetAfterSeqNum.size() - packetStream.device()->pos();
numAudioSamples = numAudioBytes / sizeof(int16_t);
return packetStream.device()->pos();
}
int InjectedAudioRingBuffer::parseData(unsigned char* sourceBuffer, int numBytes) {
unsigned char* currentBuffer = sourceBuffer + sizeof(PACKET_HEADER_INJECT_AUDIO);
// pull stream identifier from the packet
memcpy(&_streamIdentifier, currentBuffer, sizeof(_streamIdentifier));
currentBuffer += sizeof(_streamIdentifier);
// use parsePositionalData in parent PostionalAudioRingBuffer class to pull common positional data
currentBuffer += parsePositionalData(currentBuffer, numBytes - (currentBuffer - sourceBuffer));
// pull out the radius for this injected source - if it's zero this is a point source
memcpy(&_radius, currentBuffer, sizeof(_radius));
currentBuffer += sizeof(_radius);
unsigned int attenuationByte = *(currentBuffer++);
_attenuationRatio = attenuationByte / (float) MAX_INJECTOR_VOLUME;
currentBuffer += parseAudioSamples(currentBuffer, numBytes - (currentBuffer - sourceBuffer));
return currentBuffer - sourceBuffer;
}
int PositionalAudioRingBuffer::parseData(const QByteArray& packet) {
// skip the packet header (includes the source UUID)
int readBytes = numBytesForPacketHeader(packet);
readBytes += parsePositionalData(packet.mid(readBytes));
if (packetTypeForPacket(packet) == PacketTypeSilentAudioFrame) {
// this source had no audio to send us, but this counts as a packet
// write silence equivalent to the number of silent samples they just sent us
int16_t numSilentSamples;
memcpy(&numSilentSamples, packet.data() + readBytes, sizeof(int16_t));
readBytes += sizeof(int16_t);
addSilentFrame(numSilentSamples);
} else {
// there is audio data to read
readBytes += writeData(packet.data() + readBytes, packet.size() - readBytes);
}
return readBytes;
}
