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tdemultimedia/arts/midi/midisynctest.cc

138 lines
3.6 KiB

/*
Copyright (C) 2002 Stefan Westerfeld
stefan@space.twc.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "artsmidi.h"
#include "soundserver.h"
#include "timestampmath.h"
#include "debug.h"
#include <stdio.h>
#include <math.h>
using namespace Arts;
using namespace std;
int main()
{
Dispatcher dispatcher;
MidiManager midiManager = DynamicCast(Reference("global:Arts_MidiManager"));
if(midiManager.isNull())
arts_fatal("midimanager is null");
SoundServer soundServer = DynamicCast(Reference("global:Arts_SoundServer"));
if(soundServer.isNull())
arts_fatal("soundServer is null");
MidiSyncGroup syncGroup = midiManager.addSyncGroup();
MidiClient client = midiManager.addClient(mcdPlay, mctApplication, "midisynctest", "midisynctest");
syncGroup.addClient(client);
MidiPort port = client.addOutputPort();
MidiClient client2 = midiManager.addClient(mcdPlay, mctApplication, "midisynctest2", "midisynctest2");
syncGroup.addClient(client2);
MidiPort port2 = client2.addOutputPort();
/* setup audio synchronization */
AudioSync audioSync;
audioSync = DynamicCast(soundServer.createObject("Arts::AudioSync"));
if(audioSync.isNull())
arts_fatal("audioSync is null");
syncGroup.addAudioSync(audioSync);
const int C = 60;
const int D = 62;
const int E = 64;
const int F = 65, f = F - 12;
const int G = 67, g = G - 12;
const int A = 69, a = A - 12;
const int H = 71, h = H - 12;
int np = 0;
int notes[] = { C,E,G,E,a,C,E,C,f,a,C,a,g,h,D,h,0 };
printf("connect port1 and port2 to two different ports in the artscontrol midi manager,\n"
"hit return");
getchar();
TimeStamp t = port.time();
timeStampInc(t,TimeStamp(0,100000));
for(;;)
{
Synth_PLAY_WAV wav;
Synth_AMAN_PLAY sap;
MidiEvent e;
e = MidiEvent(t,MidiCommand(mcsNoteOn|0, notes[np], 100));
port.processEvent(e);
port2.processEvent(e);
if((np & 1) == 0)
{
/* setup wave player */
wav = DynamicCast(soundServer.createObject("Arts::Synth_PLAY_WAV"));
if(wav.isNull())
arts_fatal("can't create Arts::Synth_PLAY_WAV");
sap = DynamicCast(soundServer.createObject("Arts::Synth_AMAN_PLAY"));
if(sap.isNull())
arts_fatal("can't create Arts::Synth_AMAN_PLAY");
wav.filename("/opt/kde3/share/sounds/pop.wav");
sap.title("midisynctest2");
sap.autoRestoreID("midisynctest2");
connect(wav,sap);
audioSync.queueStart(wav);
audioSync.queueStart(sap);
audioSync.executeAt(t);
}
timeStampInc(t,TimeStamp(0,100000));
e = MidiEvent(t,MidiCommand(mcsNoteOff|0, notes[np], 100));
port.processEvent(e);
port2.processEvent(e);
if((np & 1) == 0)
{
audioSync.queueStop(wav);
audioSync.queueStop(sap);
audioSync.executeAt(t);
}
timeStampInc(t,TimeStamp(0,400000));
while(port.time().sec < (t.sec - 2))
usleep(100000);
np++;
if(notes[np] == 0) np = 0;
}
}