/***************************************************************************
* Copyright (C) 2007 by Uriy Zhuravlev stalkerg@gmail.com *
* *
* Copyright (c) 2000-2001 Brad Hughes bhughes@trolltech.com *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QApplication>
extern "C"
{
#ifdef HAVE_SYS_SOUNDCARD_H
#include <sys/soundcard.h>
#else
#include <soundcard.h>
#endif
}
#include "outputoss.h"
#include <qmmp/buffer.h>
#include <qmmp/visual.h>
#include <stdio.h>
#include <string.h>
#include <QtGlobal>
#include <QSettings>
#include <QDir>
#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#if defined(__FreeBSD__)
# include <sys/soundcard.h>
#elif defined(__linux__)
# include <linux/soundcard.h>
#elif defined(__bsdi__)
# include <sys/soundcard.h>
#endif
OutputOSS *OutputOSS::m_instance = 0;
VolumeControlOSS *VolumeControlOSS::m_instance = 0;
OutputOSS* OutputOSS::instance()
{
return m_instance;
}
OutputOSS::OutputOSS(QObject * parent)
: Output(parent), m_inited(FALSE),
m_frequency(-1), m_channels(-1), m_precision(-1),
do_select(TRUE),
m_audio_fd(-1)
{
QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
m_audio_device = settings.value("OSS/device","/dev/dsp").toString();
m_instance = this;
}
int OutputOSS::audio_fd()
{
return m_audio_fd;
}
OutputOSS::~OutputOSS()
{
m_instance = 0;
if (m_audio_fd > 0)
{
close(m_audio_fd);
m_audio_fd = -1;
}
}
void OutputOSS::configure(quint32 freq, int chan, int prec)
{
// we need to configure
if (freq != m_frequency || chan != m_channels || prec != m_precision)
{
qDebug("OutputOSS: frequency=%d, channels=%d, bits=%d", freq, chan, prec);
// we have already configured, but are changing settings...
// reset the device
resetDSP();
#if SOUND_VERSION >= 0x040000
if (VolumeControlOSS::instance())
{
long cmd;
int v;
cmd = SNDCTL_DSP_SETPLAYVOL;
v = (VolumeControlOSS::instance()->right() << 8) | VolumeControlOSS::instance()->left();
if(m_audio_fd > 1)
ioctl(m_audio_fd, cmd, &v);
}
#endif
m_frequency = freq;
m_channels = chan;
m_precision = prec;
//m_bps = freq * chan * (prec / 8);
int p;
switch (prec)
{
default:
case 16:
#if defined(AFMT_S16_NE)
p = AFMT_S16_NE;
#else
p = AFMT_S16_LE;
#endif
break;
case 8:
p = AFMT_S8;
break;
}
if (ioctl(m_audio_fd, SNDCTL_DSP_SETFMT, &p) == -1)
qWarning("OutputOSS: can't set audio format");
if(ioctl(m_audio_fd, SNDCTL_DSP_SAMPLESIZE, &prec) == -1)
qDebug("OutputOSS: can't set audio format");
int stereo = (chan > 1) ? 1 : 0;
ioctl(m_audio_fd, SNDCTL_DSP_STEREO, &stereo);
/*if (ioctl(m_audio_fd, SNDCTL_DSP_SPEED, &m_channels) == -1)
qWarning("OutputOSS: can't set number of channels");*/
/*if (chan != m_channels)
qWarning("OutputOSS: can't set number of channels, using %d instead", m_channels);*/
if (ioctl(m_audio_fd, SNDCTL_DSP_SPEED, &freq) == -1)
qWarning("OutputOSS: can't set audio format");
}
Output::configure(freq, chan, prec);
}
void OutputOSS::reset()
{
if (m_audio_fd > 0)
{
close(m_audio_fd);
m_audio_fd = -1;
}
m_audio_fd = open(m_audio_device.toAscii(), O_WRONLY, 0);
if (m_audio_fd < 0)
{
qWarning("OSSOutput: failed to open output device '%s'", qPrintable(m_audio_device));
return;
}
int flags;
if ((flags = fcntl(m_audio_fd, F_GETFL, 0)) > 0)
{
flags &= O_NDELAY;
fcntl(m_audio_fd, F_SETFL, flags);
}
fd_set afd;
FD_ZERO(&afd);
FD_SET(m_audio_fd, &afd);
struct timeval tv;
tv.tv_sec = 0l;
tv.tv_usec = 50000l;
do_select = (select(m_audio_fd + 1, 0, &afd, 0, &tv) > 0);
}
void OutputOSS::post()
{
if (m_audio_fd < 1)
return;
int unused;
ioctl(m_audio_fd, SNDCTL_DSP_POST, &unused);
}
void OutputOSS::sync()
{
if (m_audio_fd < 1)
return;
int unused;
ioctl(m_audio_fd, SNDCTL_DSP_SYNC, &unused);
}
void OutputOSS::resetDSP()
{
if (m_audio_fd < 1)
return;
int unused;
ioctl(m_audio_fd, SNDCTL_DSP_RESET, &unused);
}
bool OutputOSS::initialize()
{
reset();
if (m_audio_fd < 0)
return FALSE;
m_inited = TRUE;
return TRUE;
}
void OutputOSS::uninitialize()
{
if (!m_inited)
return;
m_inited = FALSE;
m_frequency = -1;
m_channels = -1;
m_precision = -1;
resetDSP();
if (m_audio_fd > 0)
{
close(m_audio_fd);
m_audio_fd = -1;
}
qDebug("OutputOSS: uninitialize");
}
qint64 OutputOSS::latency()
{
//ulong used = 0;
/*if (ioctl(m_audio_fd, SNDCTL_DSP_GETODELAY, &used) == -1)
used = 0;*/
return 0;
}
qint64 OutputOSS::writeAudio(unsigned char *data, qint64 maxSize)
{
fd_set afd;
struct timeval tv;
qint64 m = -1, l;
FD_ZERO(&afd);
FD_SET(m_audio_fd, &afd);
// nice long poll timeout
tv.tv_sec = 5l;
tv.tv_usec = 0l;
if ((! do_select || (select(m_audio_fd + 1, 0, &afd, 0, &tv) > 0 &&
FD_ISSET(m_audio_fd, &afd))))
{
l = qMin(int(2048), int(maxSize));
if (l > 0)
{
m = write(m_audio_fd, data, l);
}
}
post();
return m;
}
/***** MIXER *****/
VolumeControlOSS *VolumeControlOSS::instance()
{
return m_instance;
}
VolumeControlOSS::VolumeControlOSS(QObject *parent) : VolumeControl(parent)
{
m_master = TRUE;
m_mixer_fd = -1;
QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
#if SOUND_VERSION < 0x040000
m_mixer_device = settings.value("OSS/mixer_device","/dev/mixer").toString();
openMixer();
#else
m_mixer_device = settings.value("OSS/device","/dev/dsp").toString();
int mixer_fd = -1;
bool to_close = FALSE;
if (OutputOSS::instance() && OutputOSS::instance()->audio_fd() > 0)
mixer_fd = OutputOSS::instance()->audio_fd();
else
{
mixer_fd = open(m_audio_device.toAscii(), O_WRONLY, 0);
to_close = TRUE;
}
if(mixer_fd > 0)
{
int v;
long cmd = SNDCTL_DSP_GETPLAYVOL;
if (ioctl(mixer_fd, cmd, &v) == -1)
v = 0;
m_left2 = (v & 0xFF00) >> 8;
m_right2 = (v & 0x00FF);
}
if(to_close)
{
close(mixer_fd);
mixer_fd = -1;
}
#endif
m_instance = this;
}
VolumeControlOSS::~VolumeControlOSS()
{
#if SOUND_VERSION < 0x040000
if (m_mixer_fd > 0)
{
close(m_mixer_fd);
m_mixer_fd = -1;
}
#endif
if (m_mixer_fd > 0 && !OutputOSS::instance())
{
close(m_mixer_fd);
m_mixer_fd = -1;
}
m_instance = 0;
}
void VolumeControlOSS::setVolume(int l, int r)
{
int v;
long cmd;
#if SOUND_VERSION < 0x040000
int devs = 0;
ioctl(m_mixer_fd, SOUND_MIXER_READ_DEVMASK, &devs);
if ((devs & SOUND_MASK_PCM) && !m_master)
cmd = SOUND_MIXER_WRITE_PCM;
else if ((devs & SOUND_MASK_VOLUME) && m_master)
cmd = SOUND_MIXER_WRITE_VOLUME;
else
{
//close(mifd);
return;
}
v = (r << 8) | l;
ioctl(m_mixer_fd, cmd, &v);
#else
cmd = SNDCTL_DSP_SETPLAYVOL;
v = (r << 8) | l;
if (OutputOSS::instance() && OutputOSS::instance()->audio_fd() > 0)
ioctl(OutputOSS::instance()->audio_fd(), cmd, &v);
m_left2 = l;
m_right2 = r;
#endif
}
void VolumeControlOSS::volume(int *ll,int *rr)
{
*ll = 0;
*rr = 0;
#if SOUND_VERSION < 0x040000
int cmd;
int v, devs = 0;
ioctl(m_mixer_fd, SOUND_MIXER_READ_DEVMASK, &devs);
if ((devs & SOUND_MASK_PCM) && !m_master)
cmd = SOUND_MIXER_READ_PCM;
else if ((devs & SOUND_MASK_VOLUME) && m_master)
cmd = SOUND_MIXER_READ_VOLUME;
else
return;
ioctl(m_mixer_fd, cmd, &v);
*ll = (v & 0xFF00) >> 8;
*rr = (v & 0x00FF);
*ll = (*ll > 100) ? 100 : *ll;
*rr = (*rr > 100) ? 100 : *rr;
*ll = (*ll < 0) ? 0 : *ll;
*rr = (*rr < 0) ? 0 : *rr;
#else
/*cmd = SNDCTL_DSP_GETPLAYVOL;
if (ioctl(m_audio_fd, cmd, &v) == -1)
v = 0;
*rr = (v & 0xFF00) >> 8;
*ll = (v & 0x00FF);*/
*rr = m_left2;
*ll = m_right2;
#endif
}
void VolumeControlOSS::openMixer()
{
#if SOUND_VERSION < 0x040000
if (m_mixer_fd != -1)
return;
m_mixer_fd = open(m_mixer_device.toAscii(), O_RDWR);
if (m_mixer_fd < 0)
{
qWarning("VolumeControlOSS: unable to open mixer device '%s'", qPrintable(m_mixer_device));
return;
}
#endif
}
