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openAV-Luppp/src/eventhandlergui.cxx

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/*
* Author: Harry van Haaren 2013
* harryhaaren@gmail.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LUPPP_EVENT_HANDLER_DSP_H
#define LUPPP_EVENT_HANDLER_DSP_H
// Library
#include <cstring>
#include <iostream>
#include <jack/ringbuffer.h>
// Internal
#include "gui.hxx"
#include "event.hxx"
#include "audiobuffer.hxx"
#include "eventhandler.hxx"
#include "controller/controller.hxx"
#pragma GCC diagnostic ignored "-Wunused-parameter"
extern Gui* gui;
using namespace std;
void handleGuiEvents()
{
uint availableRead = jack_ringbuffer_read_space( rbToGui );
while ( availableRead >= sizeof(EventBase) )
{
jack_ringbuffer_peek( rbToGui, (char*)processGuiMem, sizeof(EventBase) );
EventBase* e = (EventBase*)processGuiMem;
// recheck the size against the actual event size
if ( availableRead >= e->size() )
{
//cout << "reading event type " << e->type() << endl;
switch ( e->type() )
{
case Event::QUIT: {
if ( availableRead >= sizeof(EventQuit) ) {
EventQuit ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventQuit) );
LUPPP_NOTE("%s","GUI QUIT");
gui->quit();
} break; }
case Event::SAMPLERATE: {
if ( availableRead >= sizeof(EventSamplerate) ) {
EventSamplerate ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventSamplerate) );
gui->samplerate = ev.samplerate;
//LUPPP_NOTE("Gui Samplerate: %i", gui->samplerate);
} break; }
/// master
case Event::MASTER_INPUT_TO: {
if ( availableRead >= sizeof(EventMasterInputTo) ) {
EventMasterInputTo ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventMasterInputTo) );
gui->getMasterTrack()->setInputTo( (int)ev.place, ev.value );
} break; }
case Event::MASTER_INPUT_TO_ACTIVE: {
if ( availableRead >= sizeof(EventMasterInputToActive) ) {
EventMasterInputToActive ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventMasterInputToActive) );
gui->getMasterTrack()->setInputToActive( (int)ev.place, ev.active );
} break; }
case Event::MASTER_INPUT_VOL: {
if ( availableRead >= sizeof(EventMasterInputVol) ) {
EventMasterInputVol ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventMasterInputVol) );
gui->getMasterTrack()->setInputVol( ev.vol );
} break; }
case Event::MASTER_RETURN: {
if ( availableRead >= sizeof(EventMasterReturn) ) {
EventMasterReturn ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventMasterReturn) );
gui->getMasterTrack()->setReturnVol( ev.vol );
} break; }
case Event::MASTER_VOL: {
if ( availableRead >= sizeof(EventMasterVol) ) {
EventMasterVol ev(0);
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventMasterVol) );
gui->getMasterTrack()->getVolume()->fader( ev.vol );
} break; }
case Event::METRONOME_ACTIVE: {
if ( availableRead >= sizeof(EventMetronomeActive) ) {
EventMetronomeActive ev(false);
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventMetronomeActive) );
gui->getMasterTrack()->metronomeEnable(ev.active);
} break; }
case Event::LOOPER_STATE: {
if ( availableRead >= sizeof(EventLooperState) ) {
EventLooperState ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventLooperState) );
//gui->getTrack(ev.track)->getClipSelector()->setState(ev.scene, ev.state);
//jack->setLooperState( ev.track, ev.state );
} break; }
case Event::LOOPER_LOOP_LENGTH: {
if ( availableRead >= sizeof(EventLooperLoopLength) ) {
//EventLooperLoopLength ev;
//jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventLooperLoopLength) );
//jack->setLooperLoopLength( ev.track, ev.scale );
} break; }
case Event::LOOPER_PROGRESS: {
if ( availableRead >= sizeof(EventLooperProgress) ) {
EventLooperProgress ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventLooperProgress) );
// only update if significant change
//if ( ev.progress - gui->getTrack(ev.track)->radial.value() >= 0.05 ||
// ev.progress > 0.9 )
gui->getTrack(ev.track)->radial.value(ev.progress);
} break; }
// FIXME: reset signal level to 0
case Event::TRACK_SIGNAL_LEVEL: {
if ( availableRead >= sizeof(EventTrackSignalLevel) ) {
EventTrackSignalLevel ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventTrackSignalLevel) );
if ( ev.track == -2 ) {
gui->getMasterTrack()->getInputVolume()->amplitude( ev.left, ev.right );
} else if ( ev.track == -1 ) {
gui->getMasterTrack()->getVolume()->amplitude( ev.left, ev.right );
} else {
gui->getTrack(ev.track)->getVolume()->amplitude( ev.left, ev.right ); }
} break; }
case Event::TRACK_VOLUME: {
if ( availableRead >= sizeof(EventTrackVol) ) {
EventTrackVol ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventTrackVol) );
gui->getTrack(ev.track)->getVolume()->fader( ev.vol );
} break; }
case Event::TRACK_RECORD_ARM: {
if ( availableRead >= sizeof(EventTrackRecordArm) ) {
EventTrackRecordArm ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventTrackRecordArm) );
gui->getTrack(ev.track)->setRecordActive( ev.recordArm );
break; }
}
case Event::TIME_BPM: {
if ( availableRead >= sizeof(EventTimeBPM) ) {
EventTimeBPM ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventTimeBPM) );
gui->getMasterTrack()->setBpm( ev.bpm );
} break; }
case Event::STATE_SAVE_BUFFER: {
if ( availableRead >= sizeof(EventStateSaveBuffer) ) {
EventStateSaveBuffer ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventStateSaveBuffer) );
#ifdef DEBUG_SAVE
cout << "EventSaveBuffer: " << ev.track << " " << ev.scene << " " << ev.ab->getID() << endl;
#endif
gui->getDiskWriter()->writeAudioBuffer( ev.track, ev.scene, ev.ab );
// de allocate the AudioBuffer
delete ev.ab;
} break; }
case Event::STATE_SAVE_FINISH: {
if ( availableRead >= sizeof(EventStateSaveFinish) ) {
EventStateSaveFinish ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventStateSaveFinish) );
#ifdef DEBUG_SAVE
cout << "EventSaveFinish!" << endl;
#endif
gui->getDiskWriter()->writeSession();
} break; }
case Event::GRID_STATE: {
if ( availableRead >= sizeof(EventGridState) ) {
EventGridState ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventGridState) );
gui->getTrack(ev.track)->getClipSelector()->setState( ev.scene, ev.state );
if ( ev.state == GridLogic::STATE_RECORDING )
gui->getTrack(ev.track)->getRadialStatus()->recording( true );
else
gui->getTrack(ev.track)->getRadialStatus()->recording( false );
} break; }
case Event::GRID_LAUNCH_SCENE: {
if ( availableRead >= sizeof(EventGridLaunchScene) ) {
EventGridLaunchScene ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventGridLaunchScene) );
for(int i = 0; i < NSCENES; i++)
gui->getMasterTrack()->getClipSelector()->setState( i, GridLogic::STATE_EMPTY );
gui->getMasterTrack()->getClipSelector()->setState( ev.scene, GridLogic::STATE_PLAYING );
} break; }
case Event::GRID_SELECT_NEW_CHOSEN: {
if ( availableRead >= sizeof(EventGridSelectNewChosen) ) {
EventGridSelectNewChosen ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventGridSelectNewChosen) );
//LUPPP_NOTE("New special, %i, %i", ev.track, ev.scene);
for(int i = 0; i < NTRACKS; i++)
{
gui->getTrack(i)->getClipSelector()->setSpecial( i == ev.track ? ev.scene : -1 );
}
gui->specialTrack = ev.track;
gui->specialScene = ev.scene;
} break; }
case Event::TRACK_SEND: {
if ( availableRead >= sizeof(EventTrackSend) ) {
EventTrackSend ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventTrackSend) );
if ( ev.send == SEND_POSTFADER )
if ( ev.track < NTRACKS )
{
gui->getTrack(ev.track)->setSend(ev.value );
}
if ( ev.send == SEND_XSIDE )
if ( ev.track < NTRACKS )
{
gui->getTrack(ev.track)->setXSide( ev.value );
}
} break; }
case Event::TRACK_SEND_ACTIVE: {
if ( availableRead >= sizeof(EventTrackSendActive) ) {
EventTrackSendActive ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventTrackSendActive) );
if ( ev.send == SEND_POSTFADER )
if ( ev.track < NTRACKS )
{
gui->getTrack(ev.track)->setSendActive(ev.active );
}
if ( ev.send == SEND_KEY )
{
if ( ev.track < NTRACKS )
{
gui->getTrack(ev.track)->setKeyActive( ev.active );
}
}
} break; }
case Event::GUI_PRINT: {
if ( availableRead >= sizeof(EventGuiPrint) ) {
EventGuiPrint ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventGuiPrint) );
//cout << "DSP: " << ev.getMessage() << endl;
LUPPP_DSP("%s", ev.getMessage() );
} break; }
case Event::TIME_BAR_BEAT: {
if ( availableRead >= sizeof(EventTimeBarBeat) ) {
EventTimeBarBeat ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventTimeBarBeat) );
gui->getMasterTrack()->setBarBeat( ev.bar, ev.beat);
} break; }
case Event::TIME_TEMPO_TAP: {
if ( availableRead >= sizeof(EventTimeTempoTap) ) {
EventTimeTempoTap ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventTimeTempoTap) );
gui->getMasterTrack()->setTapTempo( ev.pressed );
} break; }
case Event::LOOPER_REQUEST_BUFFER: {
if ( availableRead >= sizeof(EventLooperClipRequestBuffer) ) {
EventLooperClipRequestBuffer ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventLooperClipRequestBuffer) );
/// allocate a new AudioBuffer with ev.numElements, pass back to DSP
AudioBuffer* ab = new AudioBuffer(ev.numElements);
EventLooperClipRequestBuffer returnEvent(ev.track, ev.scene, ab);
writeToDspRingbuffer( &returnEvent );
#ifdef DEBUG_BUFFER
printf("new buffer going to track %i, scene %i\n",ev.track, ev.scene);
#endif
} break; }
case Event::REQUEST_SAVE_BUFFER: {
if ( availableRead >= sizeof(EventRequestSaveBuffer) ) {
EventRequestSaveBuffer ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventRequestSaveBuffer) );
#ifdef DEBUG_BUFFER
printf("Save buffer to track %i, scene %i\n",ev.track, ev.scene);
#endif
/// allocate a new AudioBuffer with ev.numElements, pass back to DSP
AudioBuffer* ab = new AudioBuffer(ev.bufferSize);
if ( ab )
{
//LUPPP_NOTE("Save buffer sent with t %i, s %i, ab* %i", ev.track, ev.scene, ab );
EventRequestSaveBuffer returnEvent( ev.track, ev.scene, ab);
writeToDspRingbuffer( &returnEvent );
}
else
{
cout << "error allocating save buffer!" << endl;
}
} break; }
case Event::DEALLOCATE_BUFFER: {
if ( availableRead >= sizeof(EventDeallocateBuffer) ) {
EventDeallocateBuffer ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventDeallocateBuffer) );
delete ev.ab;
} break; }
case Event::CONTROLLER_BINDING_ENABLE: {
if ( availableRead >= sizeof(EventControllerBindingEnable) ) {
EventControllerBindingEnable ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventControllerBindingEnable) );
ControllerUI* c = gui->getOptionsWindow()->getControllerUI( ev.controllerID );
if ( c )
c->setBindEnable( ev.enable );
else
LUPPP_WARN("ControllerUI %i doesn't exist in the UI", ev.controllerID );
} break; }
case Event::CONTROLLER_BINDING_TARGET: {
if ( availableRead >= sizeof(EventControllerBindingTarget) ) {
EventControllerBindingTarget ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventControllerBindingTarget) );
gui->getOptionsWindow()->setTarget( ev.target );
} break; }
case Event::CONTROLLER_BINDING_MADE: {
if ( availableRead >= sizeof(EventControllerBindingMade) ) {
EventControllerBindingMade ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventControllerBindingMade) );
ControllerUI* c = gui->getOptionsWindow()->getControllerUI( ev.controllerID );
if ( c )
c->addBinding( (Binding*)ev.binding );
else
LUPPP_WARN("ControllerUI %i doesn't exist in the UI", ev.controllerID );
} break; }
case Event::CONTROLLER_INSTANCE_GET_TO_WRITE: {
if ( availableRead >= sizeof(EventControllerInstanceGetToWrite) ) {
EventControllerInstanceGetToWrite ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventControllerInstanceGetToWrite) );
// write the contents of the GenericMIDI controller to .ctlr file
gui->getDiskWriter()->writeControllerFile( (Controller*)ev.controller );
} break; }
case Event::CONTROLLER_INSTANCE: {
if ( availableRead >= sizeof(EventControllerInstance) ) {
EventControllerInstance ev;
jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventControllerInstance) );
// remove this controller from use:
Controller* c = (Controller*)ev.controller;
LUPPP_NOTE("Deleting controller %s", c->getName().c_str() );
// delete will call the destructor for the Controller: this should
// clean up ports etc, all from the GUI thread as appropriate
delete c;
} break; }
default:
{
cout << "GUI: Unkown message!! Will clog ringbuffer" << endl;
// just do nothing
break;
}
}
}
else
{
// next call will get the half-written event
return;
}
// update available read, and loop over events
availableRead = jack_ringbuffer_read_space( rbToGui );
}
}
void writeToGuiRingbuffer(EventBase* e)
{
if ( jack_ringbuffer_write_space(rbToGui) >= e->size() )
{
jack_ringbuffer_write( rbToGui, (const char*)e, e->size() );
}
else
{
cout << "->GUI ringbuffer full!" << endl;
}
}
#endif // LUPPP_EVENT_HANDLER_DSP_H
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