// The main plugin processing procedure.
void qtractorLadspaPlugin::process (
float **ppIBuffer, float **ppOBuffer, unsigned int nframes )
{
if (m_phInstances == NULL)
return;
const LADSPA_Descriptor *pLadspaDescriptor = ladspa_descriptor();
if (pLadspaDescriptor == NULL)
return;
// We'll cross channels over instances...
const unsigned short iInstances = instances();
const unsigned short iChannels = channels();
const unsigned short iAudioIns = audioIns();
const unsigned short iAudioOuts = audioOuts();
unsigned short iIChannel = 0;
unsigned short iOChannel = 0;
unsigned short i, j;
// For each plugin instance...
for (i = 0; i < iInstances; ++i) {
LADSPA_Handle handle = m_phInstances[i];
// For each instance audio input port...
for (j = 0; j < iAudioIns; ++j) {
(*pLadspaDescriptor->connect_port)(handle,
m_piAudioIns[j], ppIBuffer[iIChannel]);
if (++iIChannel >= iChannels)
iIChannel = 0;
}
// For each instance audio output port...
for (j = 0; j < iAudioOuts; ++j) {
(*pLadspaDescriptor->connect_port)(handle,
m_piAudioOuts[j], ppOBuffer[iOChannel]);
if (++iOChannel >= iChannels)
iOChannel = 0;
}
// Make it run...
(*pLadspaDescriptor->run)(handle, nframes);
// Wrap channels?...
if (iIChannel < iChannels - 1)
++iIChannel;
if (iOChannel < iChannels - 1)
++iOChannel;
}
}
// The main plugin processing procedure.
void qtractorDssiPlugin::process (
float **ppIBuffer, float **ppOBuffer, unsigned int nframes )
{
// Get MIDI manager access...
qtractorMidiManager *pMidiManager = list()->midiManager();
if (pMidiManager == NULL) {
qtractorLadspaPlugin::process(ppIBuffer, ppOBuffer, nframes);
return;
}
if (m_phInstances == NULL)
return;
const LADSPA_Descriptor *pLadspaDescriptor = ladspa_descriptor();
if (pLadspaDescriptor == NULL)
return;
const DSSI_Descriptor *pDssiDescriptor = dssi_descriptor();
if (pDssiDescriptor == NULL)
return;
// We'll cross channels over instances...
const unsigned short iInstances = instances();
const unsigned short iChannels = channels();
const unsigned short iAudioIns = audioIns();
const unsigned short iAudioOuts = audioOuts();
unsigned short iIChannel = 0;
unsigned short iOChannel = 0;
unsigned short i, j;
// For each plugin instance...
for (i = 0; i < iInstances; ++i) {
LADSPA_Handle handle = m_phInstances[i];
// For each instance audio input port...
for (j = 0; j < iAudioIns; ++j) {
(*pLadspaDescriptor->connect_port)(handle,
m_piAudioIns[j], ppIBuffer[iIChannel]);
if (++iIChannel >= iChannels)
iIChannel = 0;
}
// For each instance audio output port...
for (j = 0; j < iAudioOuts; ++j) {
if (iOChannel < iChannels) {
(*pLadspaDescriptor->connect_port)(handle,
m_piAudioOuts[j], ppOBuffer[iOChannel++]);
} else {
(*pLadspaDescriptor->connect_port)(handle,
m_piAudioOuts[j], m_pfXBuffer); // dummy output!
}
}
// Care of multiple instances here...
if (m_pDssiMulti)
m_pDssiMulti->process(pDssiDescriptor, nframes);
// Make it run...
else if (pDssiDescriptor->run_synth) {
(*pDssiDescriptor->run_synth)(handle, nframes,
pMidiManager->events(), pMidiManager->count());
}
else (*pLadspaDescriptor->run)(handle, nframes);
#if 0
// Wrap channels?...
if (iIChannel < iChannels - 1)
++iIChannel;
if (iOChannel < iChannels - 1)
++iOChannel;
#endif
}
}
