void AudioDeviceElement::readFramesLoop(AudioDeviceElement *self)
{
#ifdef Q_OS_WIN32
// Initialize the COM library in multithread mode.
CoInitializeEx(NULL, COINIT_MULTITHREADED);
#endif
QString device = self->m_device;
AkAudioCaps caps(self->m_caps);
qint64 streamId = Ak::id();
AkFrac timeBase(1, caps.rate());
if (self->m_audioDevice->init(device, caps)) {
while (self->m_readFramesLoop) {
if (self->m_pause) {
QThread::msleep(PAUSE_TIMEOUT);
continue;
}
int bufferSize = self->m_bufferSize;
QByteArray buffer = self->m_audioDevice->read(bufferSize);
if (buffer.isEmpty())
return;
QByteArray oBuffer(buffer.size(), Qt::Uninitialized);
memcpy(oBuffer.data(), buffer.constData(), size_t(buffer.size()));
caps.samples() = bufferSize;
AkAudioPacket packet(caps, oBuffer);
qint64 pts = qint64(QTime::currentTime().msecsSinceStartOfDay()
/ timeBase.value() / 1e3);
packet.setPts(pts);
packet.setTimeBase(timeBase);
packet.setIndex(0);
packet.setId(streamId);
emit self->oStream(packet.toPacket());
}
self->m_audioDevice->uninit();
}
#ifdef Q_OS_WIN32
// Close COM library.
CoUninitialize();
#endif
}
Timestamp Stream::currentDts() const
{
return {RAW_GET2(isValid(), cur_dts, AV_NOPTS_VALUE), timeBase()};
}
Timestamp Stream::duration() const
{
return {RAW_GET2(isValid(), duration, AV_NOPTS_VALUE), timeBase()};
}
Timestamp Stream::startTime() const
{
return {RAW_GET2(isValid(), start_time, AV_NOPTS_VALUE), timeBase()};
}
