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/**********************************************************************
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include <qpe/resource.h>
#include <qpe/sound.h>
#include <qpe/qcopenvelope_qws.h>
#include <qsound.h>
#include <qfile.h>
#ifndef QT_NO_SOUND
static int WAVsoundDuration(const QString& filename)
{
// bad solution
// most of this is copied from qsoundqss.cpp
QFile input(filename);
if ( !input.open(IO_ReadOnly) )
return 0;
struct QRiffChunk {
char id[4];
Q_UINT32 size;
char data[4/*size*/];
} chunk;
struct {
Q_INT16 formatTag;
Q_INT16 channels;
Q_INT32 samplesPerSec;
Q_INT32 avgBytesPerSec;
Q_INT16 blockAlign;
Q_INT16 wBitsPerSample;
} chunkdata;
int total = 0;
while(1) {
// Keep reading chunks...
const int n = sizeof(chunk)-sizeof(chunk.data);
if ( input.readBlock((char*)&chunk,n) != n )
break;
if ( qstrncmp(chunk.id,"data",4) == 0 ) {
total += chunkdata.avgBytesPerSec ?
chunk.size * 1000 / chunkdata.avgBytesPerSec : 0;
//qDebug("%d bytes of PCM (%dms)", chunk.size,chunkdata.avgBytesPerSec ? chunk.size * 1000 / chunkdata.avgBytesPerSec : 0);
input.at(input.at()+chunk.size-4);
} else if ( qstrncmp(chunk.id,"RIFF",4) == 0 ) {
char d[4];
if ( input.readBlock(d,4) != 4 )
return 0;
if ( qstrncmp(d,"WAVE",4) != 0 ) {
// skip
//qDebug("skip %.4s RIFF chunk",d);
if ( chunk.size < 10000000 )
(void)input.at(input.at()+chunk.size-4);
}
} else if ( qstrncmp(chunk.id,"fmt ",4) == 0 ) {
if ( input.readBlock((char*)&chunkdata,sizeof(chunkdata)) != sizeof(chunkdata) )
return 0;
#define WAVE_FORMAT_PCM 1
if ( chunkdata.formatTag != WAVE_FORMAT_PCM ) {
//qDebug("WAV file: UNSUPPORTED FORMAT %d",chunkdata.formatTag);
return 0;
}
} else {
//qDebug("skip %.4s chunk",chunk.id);
// ignored chunk
if ( chunk.size < 10000000 )
(void)input.at(input.at()+chunk.size);
}
}
//qDebug("%dms",total);
return total;
}
class SoundData : public QSound {
public:
SoundData(const QString& name) :
QSound(Resource::findSound(name)),
filename(Resource::findSound(name))
{
}
void playLoop()
{
// needs server support
int ms = WAVsoundDuration(filename);
if ( ms )
startTimer(ms > 50 ? ms-50 : 0); // 50 for latency
play();
}
void timerEvent(QTimerEvent*)
{
play();
}
private:
QString filename;
};
#endif
Sound::Sound(const QString& name)
{
#ifndef QT_NO_SOUND
d = new SoundData(name);
#endif
}
Sound::~Sound()
{
#ifndef QT_NO_SOUND
delete d;
#endif
}
void Sound::play()
{
#ifndef QT_NO_SOUND
d->killTimers();
d->play();
#endif
}
void Sound::playLoop()
{
#ifndef QT_NO_SOUND
d->killTimers();
d->playLoop();
#endif
}
void Sound::stop()
{
#ifndef QT_NO_SOUND
d->killTimers();
#endif
}
void Sound::soundAlarm()
{
#ifdef QT_QWS_CUSTOM
# ifndef QT_NO_COP
QCopEnvelope( "QPE/TaskBar", "soundAlarm()" );
# endif
#else
# ifndef QT_NO_SOUND
QSound::play(Resource::findSound("alarm"));
# endif
#endif
}
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