void AVFEqualizerBand::ApplyFilter(double *inSource, double *inDest, int frameCount, int channel) {
if (mBypass && mEQ->GetSampleRate() > 0.0) {
// Have a sample rate now, can recalculate
RecalculateParams();
}
if (mBypass || channel < 0) {
return;
}
// We may have more channels now than when we were initialized
if (channel > mChannels) {
mChannels = mEQ->GetChannelCount();
SetChannelCount(mChannels);
}
if (mChannels > 0 && mHistory != NULL) {
// copy source and dest history
inSource[1] = mHistory[channel].x1;
inSource[0] = mHistory[channel].x2;
inDest[1] = mHistory[channel].y1;
inDest[0] = mHistory[channel].y2;
vDSP_deq22D(inSource, 1, mCoefficients, inDest, 1, frameCount);
// update history
mHistory[channel].x1 = inSource[frameCount+1];
mHistory[channel].x2 = inSource[frameCount];
mHistory[channel].y1 = inDest[frameCount+1];
mHistory[channel].y2 = inDest[frameCount];
}
}
void Adc_t::Init() {
rccEnableADC1(FALSE); // Enable digital clock
SetupClk(adcDiv4); // Setup ADCCLK
SetChannelCount(ADC_CHANNEL_CNT);
for(uint8_t i = 0; i < ADC_CHANNEL_CNT; i++) ChannelConfig(AdcChannels[i]);
// ==== DMA ====
// Here only unchanged parameters of the DMA are configured.
dmaStreamAllocate (ADC_DMA, IRQ_PRIO_LOW, AdcTxIrq, NULL);
dmaStreamSetPeripheral(ADC_DMA, &ADC1->DR);
dmaStreamSetMode (ADC_DMA, ADC_DMA_MODE);
}
svlFilterSourceVideoFile::svlFilterSourceVideoFile(unsigned int channelcount) :
svlFilterSourceBase(false), // manual timestamp management
OutputImage(0),
FirstTimestamp(-1.0),
NativeFramerate(-1.0)
{
CreateInterfaces();
AddOutput("output", true);
SetAutomaticOutputType(false);
SetChannelCount(channelcount);
}
AVFEqualizerBand::AVFEqualizerBand(AVFAudioEqualizer *eq, double frequency, double bandwidth, double gain) :
CEqualizerBand(bandwidth, gain),
mEQ(eq),
mBypass(true),
mChannels(0),
mHistory(NULL),
mFrequency(frequency),
mFilterType(Peak) // set later by the EQ, can be changed if band moves
{
// we may not have an audio unit yet
int channels = mEQ->GetChannelCount();
if (channels > 0) {
SetChannelCount(channels);
}
RecalculateParams();
}
void VellemanOut::outputDMX(quint32 output, const QByteArray& universe)
{
if (output != 0)
return;
if (m_currentlyOpen == false)
{
StartDevice();
m_currentlyOpen = true;
}
int32_t channelCount = (int32_t) universe.size();
SetChannelCount(channelCount);
int32_t values [512]; //Set up array to pass to SetAllData.
for (int32_t channelLoop = 0; channelLoop < channelCount; channelLoop++)
{
//Write the value to our temporary array.
values[channelLoop] = (quint32) universe[channelLoop];
}
SetAllData(values);
}
