本文整理汇总了C++中NLPacket::bytesLeftToRead方法的典型用法代码示例。如果您正苦于以下问题：C++ NLPacket::bytesLeftToRead方法的具体用法？C++ NLPacket::bytesLeftToRead怎么用？C++ NLPacket::bytesLeftToRead使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类NLPacket的用法示例。
在下文中一共展示了NLPacket::bytesLeftToRead方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: parseData
int InboundAudioStream::parseData(NLPacket& packet) {
// parse sequence number and track it
quint16 sequence;
packet.readPrimitive(&sequence);
SequenceNumberStats::ArrivalInfo arrivalInfo = _incomingSequenceNumberStats.sequenceNumberReceived(sequence,
packet.getSourceID());
packetReceivedUpdateTimingStats();
int networkSamples;
// parse the info after the seq number and before the audio data (the stream properties)
int prePropertyPosition = packet.pos();
int propertyBytes = parseStreamProperties(packet.getType(), packet.read(packet.bytesLeftToRead()), networkSamples);
packet.seek(prePropertyPosition + propertyBytes);
// handle this packet based on its arrival status.
switch (arrivalInfo._status) {
case SequenceNumberStats::Early: {
// Packet is early; write droppable silent samples for each of the skipped packets.
// NOTE: we assume that each dropped packet contains the same number of samples
// as the packet we just received.
int packetsDropped = arrivalInfo._seqDiffFromExpected;
writeSamplesForDroppedPackets(packetsDropped * networkSamples);
// fall through to OnTime case
}
case SequenceNumberStats::OnTime: {
// Packet is on time; parse its data to the ringbuffer
if (packet.getType() == PacketType::SilentAudioFrame) {
writeDroppableSilentSamples(networkSamples);
} else {
parseAudioData(packet.getType(), packet.read(packet.bytesLeftToRead()), networkSamples);
}
break;
}
default: {
// For now, late packets are ignored. It may be good in the future to insert the late audio packet data
// into the ring buffer to fill in the missing frame if it hasn't been mixed yet.
break;
}
}
int framesAvailable = _ringBuffer.framesAvailable();
// if this stream was starved, check if we're still starved.
if (_isStarved && framesAvailable >= _desiredJitterBufferFrames) {
_isStarved = false;
}
// if the ringbuffer exceeds the desired size by more than the threshold specified,
// drop the oldest frames so the ringbuffer is down to the desired size.
if (framesAvailable > _desiredJitterBufferFrames + _maxFramesOverDesired) {
int framesToDrop = framesAvailable - (_desiredJitterBufferFrames + DESIRED_JITTER_BUFFER_FRAMES_PADDING);
_ringBuffer.shiftReadPosition(framesToDrop * _ringBuffer.getNumFrameSamples());
_framesAvailableStat.reset();
_currentJitterBufferFrames = 0;
_oldFramesDropped += framesToDrop;
}
framesAvailableChanged();
return packet.pos();
}