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arts/examples/testdhandle.cpp

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/*
Copyright (C) 2000 Stefan Westerfeld
stefan@space.twc.de
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 2 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Permission is also granted to link this program with the Qt
library, treating Qt like a library that normally accompanies the
operating system kernel, whether or not that is in fact the case.
*/
#include "gslpp/datahandle.h"
#include "soundserver.h"
#include "stdsynthmodule.h"
#include "artsflow.h"
#include "connect.h"
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <iostream>
#include <math.h>
using namespace std;
using namespace Arts;
int main(int argc, char **argv)
{
if(argc<2)
{
cerr << "USAGE: " << argv[0] << " [filename]\n";
exit(1);
}
Dispatcher dispatcher;
SoundServer server = Reference("global:Arts_SoundServer");
cout << "opening '" << argv[1] << "' locally...\n";
GSL::WaveFileInfo info(argv[1]);
if(info.error())
{
cerr << "GSL error " << info.error() <<
" (" << gsl_strerror(info.error()) << ") while loading info.\n";
exit(1);
}
cout << "file contains " << info.waveCount() << " waves:\n";
for(int i=0; i<info.waveCount(); i++)
{
GSL::WaveDescription desc= info.waveDescription(i);
cout << " wave " << i << ": " << desc.name() <<
" (" << desc.channelCount() << " channels):\n";
for(int ci=0; ci<desc.chunkCount(); ci++)
{
GSL::WaveChunkDescription cDesc= desc.chunkDescription(ci);
cout << " chunk " << ci << ": "
<< cDesc.oscillatorFrequency()
<< "hz, recorded with " << cDesc.mixerFrequency()
<< ", loop type: " << cDesc.loopType() << "\n";
}
}
cout << "opening '" << argv[1] << "' in soundserver for playback...\n";
if(server.isNull())
{
cerr << "Can't connect to sound server" << endl;
return 1;
}
WaveDataHandle handle = DynamicCast(server.createObject("Arts::WaveDataHandle"));
if(!handle.load(argv[1]))
{
cerr << "server can't load wave file '" << argv[1] << "'" << endl;
return 1;
}
printf("channels = %d\n", handle.channelCount());
//printf("samplingrate = %f\n", handle.samplingRate());
printf("length[values] = %ld\n", handle.valueCount());
DataHandlePlay phandle = handle.createPlayer();
/*DataHandlePlay phandle =
DynamicCast(server.createObject("Arts::DataHandlePlay"));
phandle.handle(handle);
// .createReversed() .createTranslated(0,100000,40000)
*/
Synth_BUS_UPLINK bu =
DynamicCast(server.createObject("Arts::Synth_BUS_UPLINK"));
connect(phandle,"outvalue",bu,"left");
connect(phandle,"outvalue",bu,"right");
bu.busname("out_soundcard");
phandle.start();
bu.start();
while(!phandle.finished())
sleep(1);
}