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Play the flushed encoder sound at end

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Basically 0-padding the end of the sound buffer.  Next do that in
AudioMixer and we should be good.
This commit is contained in:
David Kelly 2016-10-27 14:27:15 -07:00
parent 6a61762659
commit d00a73dde1
2 changed files with 16 additions and 17 deletions
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31
assignment-client/src/Agent.cpp
View file

@ -474,10 +474,9 @@ void Agent::processAgentAvatar() {
nodeList->broadcastToNodes(std::move(avatarPacket), NodeSet() << NodeType::AvatarMixer);
}
}
void Agent::flushEncoder() {
void Agent::flushEncoder(QByteArray& encodedZeros) {
_flushEncoder = false;
static QByteArray zeros(AudioConstants::NETWORK_FRAME_BYTES_PER_CHANNEL, 0);
static QByteArray encodedZeros;
static const QByteArray zeros(AudioConstants::NETWORK_FRAME_BYTES_PER_CHANNEL, 0);
if (_encoder) {
_encoder->encode(zeros, encodedZeros);
}
@ -485,13 +484,6 @@ void Agent::flushEncoder() {
void Agent::processAgentAvatarAudio() {
if (_isAvatar && (_isListeningToAudioStream || _avatarSound)) {
// after sound is done playing, encoder has a bit of state in it,
// and needs some 0s to forget or you get a little click next time
// you play something
if (_flushEncoder) {
flushEncoder();
}
// if we have an avatar audio stream then send it out to our audio-mixer
auto scriptedAvatar = DependencyManager::get<ScriptableAvatar>();
bool silentFrame = true;
@ -528,7 +520,7 @@ void Agent::processAgentAvatarAudio() {
}
}
auto audioPacket = NLPacket::create(silentFrame
auto audioPacket = NLPacket::create(silentFrame && !_flushEncoder
? PacketType::SilentAudioFrame
: PacketType::MicrophoneAudioNoEcho);
@ -564,13 +556,20 @@ void Agent::processAgentAvatarAudio() {
glm::quat headOrientation = scriptedAvatar->getHeadOrientation();
audioPacket->writePrimitive(headOrientation);
QByteArray decodedBuffer(reinterpret_cast<const char*>(nextSoundOutput), numAvailableSamples*sizeof(int16_t));
QByteArray encodedBuffer;
// encode it
if(_encoder) {
_encoder->encode(decodedBuffer, encodedBuffer);
if (_flushEncoder) {
// after sound is done playing, encoder has a bit of state in it,
// and needs some 0s to forget or you get a little click next time
// you play something. So, basically 0-pad the end of the sound buffer
flushEncoder(encodedBuffer);
} else {
encodedBuffer = decodedBuffer;
// encode it
QByteArray decodedBuffer(reinterpret_cast<const char*>(nextSoundOutput), numAvailableSamples*sizeof(int16_t));
if (_encoder) {
_encoder->encode(decodedBuffer, encodedBuffer);
} else {
encodedBuffer = decodedBuffer;
}
}
audioPacket->write(encodedBuffer.constData(), encodedBuffer.size());
}

2
assignment-client/src/Agent.h
View file

@ -81,7 +81,7 @@ signals:
private:
void negotiateAudioFormat();
void selectAudioFormat(const QString& selectedCodecName);
void flushEncoder();
void flushEncoder(QByteArray& encodedZeros);
std::unique_ptr<ScriptEngine> _scriptEngine;
EntityEditPacketSender _entityEditSender;