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updated Agent with audiostream; added initial packets discard to audiostream

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wangyix 2014-07-25 15:14:10 -07:00
parent f7e043f52d
commit fd9d7baa06
5 changed files with 10 additions and 23 deletions
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13
assignment-client/src/Agent.cpp
View file

@ -148,21 +148,8 @@ void Agent::readPendingDatagrams() {
} else if (datagramPacketType == PacketTypeMixedAudio) {
QUuid senderUUID = uuidFromPacketHeader(receivedPacket);
// parse sequence number for this packet
int numBytesPacketHeader = numBytesForPacketHeader(receivedPacket);
const char* sequenceAt = receivedPacket.constData() + numBytesPacketHeader;
quint16 sequence = *(reinterpret_cast<const quint16*>(sequenceAt));
_incomingMixedAudioSequenceNumberStats.sequenceNumberReceived(sequence, senderUUID);
// parse the data and grab the average loudness
_receivedAudioBuffer.parseData(receivedPacket);
// pretend like we have read the samples from this buffer so it does not fill
static int16_t garbageAudioBuffer[NETWORK_BUFFER_LENGTH_SAMPLES_STEREO];
_receivedAudioBuffer.readSamples(garbageAudioBuffer, NETWORK_BUFFER_LENGTH_SAMPLES_STEREO);
// let this continue through to the NodeList so it updates last heard timestamp
// for the sending audio mixer
NodeList::getInstance()->processNodeData(senderSockAddr, receivedPacket);

1
assignment-client/src/Agent.h
View file

@ -71,7 +71,6 @@ private:
ModelTreeHeadlessViewer _modelViewer;
MixedAudioRingBuffer _receivedAudioBuffer;
SequenceNumberStats _incomingMixedAudioSequenceNumberStats;
AvatarHashMap _avatarHashMap;
};

3
interface/src/Audio.cpp
View file

@ -716,9 +716,6 @@ void Audio::handleAudioInput() {
}
void Audio::addReceivedAudioToBuffer(const QByteArray& audioByteArray) {
const int NUM_INITIAL_PACKETS_DISCARD = 3;
const int STANDARD_DEVIATION_SAMPLE_COUNT = 500;
if (_audioOutput) {
// Audio output must exist and be correctly set up if we're going to process received audio
processReceivedAudio(audioByteArray);

14
libraries/audio/src/InboundAudioStream.cpp
View file

@ -51,8 +51,6 @@ void InboundAudioStream::resetStats() {
}
int InboundAudioStream::parseData(const QByteArray& packet) {
frameReceivedUpdateTimingStats();
PacketType packetType = packetTypeForPacket(packet);
QUuid senderUUID = uuidFromPacketHeader(packet);
@ -64,7 +62,7 @@ int InboundAudioStream::parseData(const QByteArray& packet) {
// parse sequence number and track it
quint16 sequence = *(reinterpret_cast<const quint16*>(sequenceAt));
readBytes += sizeof(quint16);
SequenceNumberStats::ArrivalInfo arrivalInfo = _incomingSequenceNumberStats.sequenceNumberReceived(sequence, senderUUID);
SequenceNumberStats::ArrivalInfo arrivalInfo = frameReceivedUpdateNetworkStats(sequence, senderUUID);
// TODO: handle generalized silent packet here?????
@ -150,10 +148,14 @@ int InboundAudioStream::getCalculatedDesiredJitterBufferFrames() const {
}
void InboundAudioStream::frameReceivedUpdateTimingStats() {
SequenceNumberStats::ArrivalInfo InboundAudioStream::frameReceivedUpdateNetworkStats(quint16 sequenceNumber, const QUuid& senderUUID) {
const int NUM_INITIAL_PACKETS_DISCARD = 3;
SequenceNumberStats::ArrivalInfo arrivalInfo = _incomingSequenceNumberStats.sequenceNumberReceived(sequenceNumber, senderUUID);
// update the two time gap stats we're keeping
quint64 now = usecTimestampNow();
if (_lastFrameReceivedTime != 0) {
if (_incomingSequenceNumberStats.getNumReceived() >= NUM_INITIAL_PACKETS_DISCARD) {
quint64 gap = now - _lastFrameReceivedTime;
_interframeTimeGapStatsForJitterCalc.update(gap);
_interframeTimeGapStatsForStatsPacket.update(gap);
@ -174,6 +176,8 @@ void InboundAudioStream::frameReceivedUpdateTimingStats() {
}
_interframeTimeGapStatsForJitterCalc.clearNewStatsAvailableFlag();
}
return arrivalInfo;
}
int InboundAudioStream::writeDroppableSilentSamples(int numSilentSamples) {

2
libraries/audio/src/InboundAudioStream.h
View file

@ -101,7 +101,7 @@ protected:
int writeDroppableSilentSamples(int numSilentSamples);
int writeSamplesForDroppedPackets(int numSamples);
void frameReceivedUpdateTimingStats();
SequenceNumberStats::ArrivalInfo frameReceivedUpdateNetworkStats(quint16 sequenceNumber, const QUuid& senderUUID);
protected: