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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* audiooutputenginesndfile.cc
*
* Tue Sep 21 09:31:30 CEST 2010
* Copyright 2010 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo 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.
*
* DrumGizmo 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 DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "audiooutputenginesndfile.h"
#include "drumgizmo.h"
AudioOutputEngineSndFile::AudioOutputEngineSndFile(std::string file)
{
filename = file;
}
AudioOutputEngineSndFile::~AudioOutputEngineSndFile()
{
if(fh) sf_close(fh);
}
bool AudioOutputEngineSndFile::init(Channels *channels)
{
this->channels = channels;
sf_info.channels = channels->size();
sf_info.format = SF_FORMAT_WAV | SF_FORMAT_FLOAT;
sf_info.samplerate = 44100;
fh = sf_open(filename.c_str(), SFM_WRITE, &sf_info);
if(!fh) {
printf("Load error...\n");
return false;
}
channel_t c = 0;
Channels::iterator i = channels->begin();
while(i != channels->end()) {
i->num = c;
i++;
c++;
}
return true;
}
void AudioOutputEngineSndFile::run(DrumGizmo *gizmo)
{
sample_t s[channels->size()];
while(gizmo->isRunning()) {
gizmo->pre(1);
Channels::iterator i = channels->begin();
while(i != channels->end()) {
s[i->num] = 0.0;
gizmo->getSamples(&(*i), &(s[i->num]), 1);
i++;
}
gizmo->post(1);
sf_writef_float(fh, s, 1);
}
}
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