int AudioMixerClientData::parseData(NLPacket& packet) {
PacketType packetType = packet.getType();
if (packetType == PacketType::AudioStreamStats) {
// skip over header, appendFlag, and num stats packed
packet.seek(sizeof(quint8) + sizeof(quint16));
// read the downstream audio stream stats
packet.readPrimitive(&_downstreamAudioStreamStats);
return packet.pos();
} else {
PositionalAudioStream* matchingStream = NULL;
if (packetType == PacketType::MicrophoneAudioWithEcho
|| packetType == PacketType::MicrophoneAudioNoEcho
|| packetType == PacketType::SilentAudioFrame) {
QUuid nullUUID = QUuid();
if (!_audioStreams.contains(nullUUID)) {
// we don't have a mic stream yet, so add it
// read the channel flag to see if our stream is stereo or not
packet.seek(sizeof(quint16));
quint8 channelFlag;
packet.readPrimitive(&channelFlag);
bool isStereo = channelFlag == 1;
_audioStreams.insert(nullUUID, matchingStream = new AvatarAudioStream(isStereo, AudioMixer::getStreamSettings()));
} else {
matchingStream = _audioStreams.value(nullUUID);
}
} else if (packetType == PacketType::InjectAudio) {
// this is injected audio
// grab the stream identifier for this injected audio
packet.seek(sizeof(quint16));
QUuid streamIdentifier = QUuid::fromRfc4122(packet.readWithoutCopy(NUM_BYTES_RFC4122_UUID));
bool isStereo;
packet.readPrimitive(&isStereo);
if (!_audioStreams.contains(streamIdentifier)) {
// we don't have this injected stream yet, so add it
_audioStreams.insert(streamIdentifier,
matchingStream = new InjectedAudioStream(streamIdentifier, isStereo, AudioMixer::getStreamSettings()));
} else {
matchingStream = _audioStreams.value(streamIdentifier);
}
}
// seek to the beginning of the packet so that the next reader is in the right spot
packet.seek(0);
return matchingStream->parseData(packet);
}
return 0;
}
int AudioMixerClientData::parseData(ReceivedMessage& message) {
PacketType packetType = message.getType();
if (packetType == PacketType::AudioStreamStats) {
// skip over header, appendFlag, and num stats packed
message.seek(sizeof(quint8) + sizeof(quint16));
// read the downstream audio stream stats
message.readPrimitive(&_downstreamAudioStreamStats);
return message.getPosition();
} else {
PositionalAudioStream* matchingStream = NULL;
bool isMicStream = false;
if (packetType == PacketType::MicrophoneAudioWithEcho
|| packetType == PacketType::MicrophoneAudioNoEcho
|| packetType == PacketType::SilentAudioFrame) {
QUuid nullUUID = QUuid();
if (!_audioStreams.contains(nullUUID)) {
// we don't have a mic stream yet, so add it
// read the channel flag to see if our stream is stereo or not
message.seek(sizeof(quint16));
quint8 channelFlag;
message.readPrimitive(&channelFlag);
bool isStereo = channelFlag == 1;
_audioStreams.insert(nullUUID, matchingStream = new AvatarAudioStream(isStereo, AudioMixer::getStreamSettings()));
} else {
matchingStream = _audioStreams.value(nullUUID);
}
isMicStream = true;
} else if (packetType == PacketType::InjectAudio) {
// this is injected audio
// grab the stream identifier for this injected audio
message.seek(sizeof(quint16));
QUuid streamIdentifier = QUuid::fromRfc4122(message.readWithoutCopy(NUM_BYTES_RFC4122_UUID));
bool isStereo;
message.readPrimitive(&isStereo);
if (!_audioStreams.contains(streamIdentifier)) {
// we don't have this injected stream yet, so add it
_audioStreams.insert(streamIdentifier,
matchingStream = new InjectedAudioStream(streamIdentifier, isStereo, AudioMixer::getStreamSettings()));
} else {
matchingStream = _audioStreams.value(streamIdentifier);
}
}
// seek to the beginning of the packet so that the next reader is in the right spot
message.seek(0);
// check the overflow count before we parse data
auto overflowBefore = matchingStream->getOverflowCount();
auto parseResult = matchingStream->parseData(message);
if (matchingStream->getOverflowCount() > overflowBefore) {
qDebug() << "Just overflowed on stream from" << message.getSourceID() << "at" << message.getSenderSockAddr();
qDebug() << "This stream is for" << (isMicStream ? "microphone audio" : "injected audio");
}
return parseResult;
}
return 0;
}
