97 lines
2.6 KiB
C++
97 lines
2.6 KiB
C++
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#ifndef LUPPP_EVENT_HANDLER_DSP_H
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#define LUPPP_EVENT_HANDLER_DSP_H
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// Library
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#include <cstring>
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#include <iostream>
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#include <jack/ringbuffer.h>
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// Internal
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#include "jack.hxx"
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#include "event.hxx"
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#include "eventhandler.hxx"
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using namespace std;
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extern Jack* jack;
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void handleDspEvents()
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{
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uint availableRead = jack_ringbuffer_read_space( rbToDsp );
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while ( availableRead >= sizeof(EventBase) )
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{
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jack_ringbuffer_peek( rbToDsp, (char*)processDspMem, sizeof(EventBase) );
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EventBase* e = (EventBase*)processDspMem;
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// recheck the size against the actual event size
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if ( availableRead >= e->size() )
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{
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switch ( e->type() )
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{
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case Event::MASTER_VOL: {
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if ( availableRead >= sizeof(EventMasterVol) ) {
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EventMasterVol ev(0);
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jack_ringbuffer_read( rbToDsp, (char*)&ev, sizeof(EventMasterVol) );
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//jack->masterVolume = ev.vol;
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} break; }
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case Event::LOAD_SAMPLE: {
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if ( availableRead >= sizeof(EventLoadSample) ) {
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EventLoadSample ev(0);
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jack_ringbuffer_read( rbToDsp, (char*)&ev, sizeof(EventLoadSample) );
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//jack->addAudioBuffer( ev.audioBufferPtr );
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} break; }
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case Event::PLAY_SAMPLE: {
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if ( availableRead >= sizeof(EventPlaySample) ) {
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EventPlaySample ev(0,0);
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jack_ringbuffer_read( rbToDsp, (char*)&ev, sizeof(EventPlaySample) );
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//jack->setPlayBuffer( ev.track, ev.bufferID );
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} break; }
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case Event::RECORD: {
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if ( availableRead >= sizeof(EventRecord) ) {
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EventRecord ev(0,0);
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jack_ringbuffer_read( rbToDsp, (char*)&ev, sizeof(EventRecord) );
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//jack->setRecord( ev.track, ev.record );
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} break; }
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case Event::LOOPER_STATE: {
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if ( availableRead >= sizeof(EventLooperState) ) {
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EventLooperState ev;
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jack_ringbuffer_read( rbToDsp, (char*)&ev, sizeof(EventLooperState) );
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jack->setLooperState( ev.track, ev.state );
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} break; }
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default:
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{
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// just do nothing
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break;
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}
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}
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}
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else
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{
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// next call will get the half-written event
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return;
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}
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// update available read, and loop over events
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availableRead = jack_ringbuffer_read_space( rbToDsp );
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}
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}
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void writeToDspRingbuffer(EventBase* e)
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{
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if ( jack_ringbuffer_write_space(rbToDsp) >= e->size() )
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{
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jack_ringbuffer_write( rbToDsp, (const char*)e, e->size() );
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}
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else
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{
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cout << "->DSP ringbuffer full!" << endl;
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}
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}
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#endif // LUPPP_EVENT_HANDLER_DSP_H
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