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have agent optionally send silent stream flag

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This commit is contained in:
Stephen Birarda 2014-03-17 16:38:39 -07:00
parent d652cec766
commit 7e0da71527
1 changed files with 24 additions and 3 deletions
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27
libraries/script-engine/src/ScriptEngine.cpp
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@ -267,15 +267,36 @@ void ScriptEngine::run() {
if (_avatarAudioBuffer && _numAvatarAudioBufferSamples > 0) {
// if have an avatar audio stream then send it out to our audio-mixer
QByteArray audioPacket = byteArrayWithPopulatedHeader(PacketTypeMicrophoneAudioNoEcho);
bool silentFrame = true;
// check if the all of the _numAvatarAudioBufferSamples to be sent are silence
for (int i = 0; i < _numAvatarAudioBufferSamples; ++i) {
if (_avatarAudioBuffer[i] != 0) {
silentFrame = false;
break;
}
}
QByteArray audioPacket = byteArrayWithPopulatedHeader(silentFrame
? PacketTypeSilentAudioFrame
: PacketTypeMicrophoneAudioNoEcho);
QDataStream packetStream(&audioPacket, QIODevice::Append);
// use the orientation and position of this avatar for the source of this audio
packetStream.writeRawData(reinterpret_cast<const char*>(&_avatarData->getPosition()), sizeof(glm::vec3));
glm::quat headOrientation = _avatarData->getHeadOrientation();
packetStream.writeRawData(reinterpret_cast<const char*>(&headOrientation), sizeof(glm::quat));
packetStream.writeRawData(reinterpret_cast<const char*>(_avatarAudioBuffer),
_numAvatarAudioBufferSamples * sizeof(int16_t));
if (silentFrame) {
// write the number of silent samples so the audio-mixer can uphold timing
int16_t numSilentSamples = _numAvatarAudioBufferSamples;
packetStream.writeRawData(reinterpret_cast<const char*>(&numSilentSamples), sizeof(int16_t));
} else {
// write the raw audio data
packetStream.writeRawData(reinterpret_cast<const char*>(_avatarAudioBuffer),
_numAvatarAudioBufferSamples * sizeof(int16_t));
}
nodeList->broadcastToNodes(audioPacket, NodeSet() << NodeType::AudioMixer);
}