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//=========================================================
// MusE
// Linux Music Editor
// $Id: audioconf.cpp,v 1.1.1.1 2003/10/29 10:06:28 wschweer Exp $
// (C) Copyright 2001 Werner Schweer (ws@seh.de)
//=========================================================
#include <qlabel.h>
#include <qbuttongroup.h>
#include <qpushbutton.h>
#include <qradiobutton.h>
#include <qcombobox.h>
#include <qgroupbox.h>
#include "globals.h"
#include "config.h"
#include "audioconf.h"
#include "driver/audiodev.h"
#include "driver/alsaaudio.h"
#include "song.h"
#include "seq.h"
#include "mixer/amixer.h"
#include "audio.h"
#include "app.h"
#if HAVE_JACK_JACK_H
#include "driver/jackaudio.h"
#endif
static int srate[] = { 44100, 48000, 96000 };
static int framesize[] = {
32, 64, 128, 256, 512, 1024, 2048, 4096
};
//---------------------------------------------------------
// AudioConf
// comboDelay
// comboSampleRate
// comboFrameSize
// buttonRecord (button group)
// comboDevice
//---------------------------------------------------------
AudioConf::AudioConf(QWidget* parent, const char* name)
: AudioConfBase(parent, name, true)
{
updateValues();
connect(buttonApply, SIGNAL(clicked()), SLOT(apply()));
connect(comboDelay, SIGNAL(activated(int)), SLOT(delayChanged(int)));
connect(comboFrameSize, SIGNAL(activated(int)), SLOT(frameSizeChanged(int)));
connect(comboSampleRate, SIGNAL(activated(int)), SLOT(sampleRateChanged(int)));
connect(useAlsaButton, SIGNAL(toggled(bool)), SLOT(useAlsaButtonToggled(bool)));
}
//---------------------------------------------------------
// updateValues
//---------------------------------------------------------
void AudioConf::updateValues()
{
#if HAVE_JACK
if (useJackAudio) {
useJackButton->setChecked(true);
}
else if (useAlsaAudio) {
useAlsaButton->setChecked(true);
}
else {
noAudioButton->setChecked(true);
}
useJackButton->setEnabled(!noJack);
#else
if (useAlsaAudio) {
useAlsaButton->setChecked(true);
}
else {
noAudioButton->setChecked(true);
}
useJackButton->setEnabled(false);
#endif
useAlsaButton->setEnabled(!noAlsa);
if (audioDevice)
labelStatus->setText(audioDevice->state());
int idx;
switch(sampleRate) {
case 44100: idx = 0; break;
case 48000: idx = 1; break;
case 96000: idx = 2; break;
default:
printf("illegal sample Rate %d\n", sampleRate);
exit(-1);
}
comboSampleRate->setCurrentItem(idx);
switch(segmentSize) {
case 32: idx = 0; break;
case 64: idx = 1; break;
case 128: idx = 2; break;
case 256: idx = 3; break;
case 512: idx = 4; break;
case 1024: idx = 5; break;
case 2048: idx = 6; break;
case 4096: idx = 7; break;
default:
printf("illegal segment size %d\n", segmentSize);
exit(-1);
}
comboFrameSize->setCurrentItem(idx);
for (int i = 0; i < 8; ++i) {
QString s;
s.sprintf("%.2f", (double(framesize[i]) / double(sampleRate)) * 1000.0);
comboDelay->insertItem(s, i);
}
comboDelay->setCurrentItem(idx);
}
//---------------------------------------------------------
// delayChanged
//---------------------------------------------------------
void AudioConf::delayChanged(int val)
{
comboFrameSize->setCurrentItem(val);
}
//---------------------------------------------------------
// frameSizeChanged
//---------------------------------------------------------
void AudioConf::frameSizeChanged(int val)
{
comboDelay->setCurrentItem(val);
}
//---------------------------------------------------------
// sampleRateChanged
//---------------------------------------------------------
void AudioConf::sampleRateChanged(int val)
{
double sr = double(srate[val]);
comboDelay->clear();
for (int i = 0; i < 8; ++i) {
QString s;
s.sprintf("%.2f", (double(framesize[i]) / sr) * 1000.0);
comboDelay->insertItem(s, i);
}
comboDelay->setCurrentItem(comboFrameSize->currentItem());
}
//---------------------------------------------------------
// accept
//---------------------------------------------------------
void AudioConf::accept()
{
apply();
AudioConfBase::accept();
}
//---------------------------------------------------------
// apply
//---------------------------------------------------------
void AudioConf::apply()
{
// switch between ALSA and JACK
int curMode = 0;
if (useJackAudio)
curMode = 1;
if (useAlsaAudio)
curMode = 2;
int mode = 0;
if (useAlsaButton->isChecked())
mode = 2;
if (useJackButton->isChecked())
mode = 1;
seq->stop();
if (curMode != mode) {
if (curMode == 1) {
// switch off JACK
#if HAVE_JACK_JACK_H
jackAudioDevice->activate(false);
#endif
}
else if (curMode == 2) {
// switch off ALSA
alsaAudioDevice->activate(false);
}
audioDevice = 0;
useJackAudio = false;
useAlsaAudio = false;
if (mode == 0) {
noAudio = true;
audioTimebase = false;
}
#if HAVE_JACK_JACK_H
else if (mode == 1) {
// switch on JACK
useJackAudio = true;
jackAudioDevice->activate(true);
audioDevice = jackAudioDevice;
noAudio = false;
}
#endif
else if (mode == 2) {
// switch on ALSA
useAlsaAudio = true;
alsaAudioDevice->activate(true);
audioDevice = alsaAudioDevice;
noAudio = false;
}
if (audioMixer)
audioMixer->updateMixer();
}
int frameSizeIndex = comboFrameSize->currentItem();
int sampleIndex = comboSampleRate->currentItem();
int frameSize = framesize[frameSizeIndex];
int sR = srate[sampleIndex];
if ((segmentSize != frameSize) || (sR != sampleRate)) {
segmentSize = frameSize;
sampleRate = sR;
}
muse->enableAudio(!noAudio);
song->update(); // ??
updateValues(); // show real values set
seq->start();
}
//---------------------------------------------------------
// useAlsaButtonToggled
//---------------------------------------------------------
void AudioConf::useAlsaButtonToggled(bool val)
{
comboFrameSize->setEnabled(val);
comboDelay->setEnabled(val);
comboSampleRate->setEnabled(val);
}
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