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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
* soundplayer.cc
*
* Fri Sep 5 17:31:28 CEST 2014
* Copyright 2014 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of Kaiman.
*
* Kaiman 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.
*
* Kaiman 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 Kaiman; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "soundplayer.h"
#include <ao/ao.h>
#include <sndfile.h>
#define BUFSZ 512
SoundPlayer::SoundPlayer()
{
start();
}
SoundPlayer::~SoundPlayer()
{
running = false;
wait();
}
void SoundPlayer::run()
{
printf("SoundPlayer running\n");
ao_initialize();
ao_sample_format sf;
memset(&sf, 0, sizeof(sf));
sf.bits = 16;
sf.rate = 44100;
sf.channels = 2;
sf.byte_format = AO_FMT_NATIVE;
ao_device *dev = ao_open_live(ao_default_driver_id(), &sf, 0);
running = true;
short s[BUFSZ];
while(running)
{
{ // Check for new Selection.
QMutexLocker lock(&mutex);
while(queue.size())
{
printf(" - New sound\n");
active.append(queue.front());
queue.pop_front();
}
}
memset(s, 0, BUFSZ * sizeof(short));
QList<QueueItem>::iterator it = active.begin();
while(it != active.end())
{
QueueItem &item = *it;
for(size_t i = 0; i < BUFSZ; i++)
{
if(item.pos >= item.size)
{
it = active.erase(it);
goto nextitem;
}
s[i] += item.samples[item.pos] * 32536 * 0.5;
item.pos++;
}
it++;
nextitem:
int a = 1;(void)a;
}
ao_play(dev, (char*)s, BUFSZ * sizeof(short));
}
ao_close(dev);
ao_shutdown();
}
void SoundPlayer::playFile(QString file)
{
printf(" - playFile(%s)\n", file.toStdString().c_str());
SNDFILE *fh;
SF_INFO sf_info;
fh = sf_open(file.toStdString().c_str(), SFM_READ, &sf_info);
if(!fh)
{
printf("Load error '%s'\n", file.toStdString().c_str());
return;
}
size_t size = sf_info.frames * sf_info.channels;
float *data = new float[size];
sf_read_float(fh, data, size);
sf_close(fh);
QueueItem qi;
qi.samples = data;
qi.pos = 0;
qi.size = size;
{
QMutexLocker lock(&mutex);
queue.append(qi);
}
}
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