void EngineMicrophone::onInputDisconnected(AudioInput input) {
if (input.getType() != AudioPath::MICROPHONE ||
AudioInput::channelsNeededForType(input.getType()) != 1) {
// This is an error!
qWarning() << "EngineMicrophone connected to AudioInput for a non-Microphone type or a non-mono buffer!";
return;
}
m_sampleBuffer.clear();
m_pEnabled->set(0.0f);
}
void EngineDeck::onInputUnconfigured(AudioInput input) {
if (input.getType() != AudioPath::VINYLCONTROL) {
// This is an error!
qDebug() << "WARNING: EngineDeck connected to AudioInput for a non-vinylcontrol type!";
return;
}
m_sampleBuffer = NULL;
}
void EngineMicrophone::onInputUnconfigured(AudioInput input) {
if (input.getType() != AudioPath::MICROPHONE) {
// This is an error!
qWarning() << "EngineMicrophone connected to AudioInput for a non-Microphone type!";
return;
}
m_sampleBuffer = NULL;
m_pEnabled->set(0.0);
}
void EngineAux::onInputUnconfigured(AudioInput input) {
if (input.getType() != AudioPath::AUXILIARY) {
// This is an error!
qDebug() << "WARNING: EngineAux connected to AudioInput for a non-auxiliary type!";
return;
}
m_sampleBuffer = NULL;
m_pEnabled->set(0.0);
}
void EngineMicrophone::receiveBuffer(AudioInput input, const CSAMPLE* pBuffer,
unsigned int nFrames) {
if (!isTalkover()) {
return;
}
if (input.getType() != AudioPath::MICROPHONE) {
// This is an error!
qWarning() << "EngineMicrophone receieved an AudioInput for a non-Microphone type!";
return;
}
const unsigned int iChannels = input.getChannelGroup().getChannelCount();
// Check that the number of mono frames doesn't exceed MAX_BUFFER_LEN/2
// because thats our conversion buffer size.
if (nFrames > MAX_BUFFER_LEN / iChannels) {
qWarning() << "Dropping microphone samples because the input buffer is too large.";
nFrames = MAX_BUFFER_LEN / iChannels;
}
const CSAMPLE* pWriteBuffer = NULL;
unsigned int samplesToWrite = 0;
if (iChannels == 1) {
// Do mono -> stereo conversion.
for (unsigned int i = 0; i < nFrames; ++i) {
m_pConversionBuffer[i*2 + 0] = pBuffer[i];
m_pConversionBuffer[i*2 + 1] = pBuffer[i];
}
pWriteBuffer = m_pConversionBuffer;
samplesToWrite = nFrames * 2;
} else if (iChannels == 2) {
// Already in stereo. Use pBuffer as-is.
pWriteBuffer = pBuffer;
samplesToWrite = nFrames * iChannels;
} else {
qWarning() << "EngineMicrophone got greater than stereo input. Not currently handled.";
}
if (pWriteBuffer != NULL) {
// TODO(rryan) do we need to verify the input is the one we asked for?
// Oh well.
unsigned int samplesWritten = m_sampleBuffer.write(pWriteBuffer,
samplesToWrite);
if (samplesWritten < samplesToWrite) {
// Buffer overflow. We aren't processing samples fast enough. This
// shouldn't happen since the mic spits out samples just as fast as they
// come in, right?
qWarning() << "ERROR: Buffer overflow in EngineMicrophone. Dropping samples on the floor.";
}
}
}
void EngineMicrophone::receiveBuffer(AudioInput input, const short* pBuffer, unsigned int nFrames) {
if (input.getType() != AudioPath::MICROPHONE ||
AudioInput::channelsNeededForType(input.getType()) != 1) {
// This is an error!
qWarning() << "EngineMicrophone receieved an AudioInput for a non-Microphone type or a non-mono buffer!";
return;
}
// Use the conversion buffer to both convert from short and double into
// stereo.
// Check that the number of mono frames doesn't exceed MAX_BUFFER_LEN/2
// because thats our conversion buffer size.
if (nFrames > MAX_BUFFER_LEN / 2) {
qWarning() << "Dropping microphone samples because the input buffer is too large.";
nFrames = MAX_BUFFER_LEN / 2;
}
// There isn't a suitable SampleUtil method that can do mono->stereo and
// short->float in one pass.
// SampleUtil::convert(m_pConversionBuffer, pBuffer, iNumSamples);
for (unsigned int i = 0; i < nFrames; ++i) {
m_pConversionBuffer[i*2 + 0] = pBuffer[i];
m_pConversionBuffer[i*2 + 1] = pBuffer[i];
}
// m_pConversionBuffer is now stereo, so double the number of samples
const unsigned int iNumSamples = nFrames * 2;
// TODO(rryan) do we need to verify the input is the one we asked for? Oh well.
unsigned int samplesWritten = m_sampleBuffer.write(m_pConversionBuffer, iNumSamples);
if (samplesWritten < iNumSamples) {
// Buffer overflow. We aren't processing samples fast enough. This
// shouldn't happen since the mic spits out samples just as fast as they
// come in, right?
qWarning() << "ERROR: Buffer overflow in EngineMicrophone. Dropping samples on the floor.";
}
}
void EngineMaster::onInputDisconnected(AudioInput input) {
switch (input.getType()) {
case AudioInput::MICROPHONE:
m_pNumMicsConfigured->set(m_pNumMicsConfigured->get() - 1);
break;
case AudioInput::AUXILIARY:
// We don't track enabled auxiliary inputs.
break;
case AudioInput::VINYLCONTROL:
// We don't track enabled vinyl control inputs.
break;
case AudioInput::RECORD_BROADCAST:
m_bExternalRecordBroadcastInputConnected = false;
break;
default:
break;
}
}
