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