/***************************************************************************
* 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>
#include "outputoss.h"
#include <qmmp/constants.h>
#include <qmmp/buffer.h>
#include <qmmp/visual.h>
#include <stdio.h>
#include <string.h>
#include <QtGlobal>
#include <QSettings>
#include <QDir>
#include <iostream>
//extern Q_EXPORT QApplication* qApp;
void OutputOSS::stop()
{
m_userStop = TRUE;
}
void OutputOSS::status()
{
long ct = (m_totalWritten - latency()) / m_bps;
if (ct < 0)
ct = 0;
if (ct > m_currentSeconds)
{
m_currentSeconds = ct;
dispatch(m_currentSeconds, m_totalWritten, m_rate,
m_frequency, m_precision, m_channels);
}
}
long OutputOSS::written()
{
return m_totalWritten;
}
void OutputOSS::seek(long pos)
{
/*recycler()->mutex()->lock();
recycler()->clear();
recycler()->mutex()->unlock();*/
m_totalWritten = (pos * m_bps);
m_currentSeconds = -1;
}
#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(QObject * parent)
: Output(parent), m_inited(FALSE), m_pause(FALSE), m_play(FALSE),
m_userStop(FALSE),
m_totalWritten(0), m_currentSeconds(-1),
m_bps(1), m_frequency(-1), m_channels(-1), m_precision(-1),
do_select(TRUE),
m_audio_fd(-1), m_mixer_fd(-1)
{
QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat);
m_master = true;
m_audio_device = settings.value("OSS/device","/dev/dsp").toString();
m_mixer_device = settings.value("OSS/mixer_device","/dev/mixer").toString();
openMixer();
}
OutputOSS::~OutputOSS()
{
if (m_audio_fd > 0)
{
close(m_audio_fd);
m_audio_fd = -1;
}
if (m_mixer_fd > 0)
{
close(m_mixer_fd);
m_mixer_fd = -1;
}
}
void OutputOSS::configure(long freq, int chan, int prec, int rate)
{
// we need to configure
if (freq != m_frequency || chan != m_channels || prec != m_precision) {
// we have already configured, but are changing settings...
// reset the device
resetDSP();
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;
}
ioctl(m_audio_fd, SNDCTL_DSP_SETFMT, &p);
ioctl(m_audio_fd, SNDCTL_DSP_SAMPLESIZE, &prec);
int stereo = (chan > 1) ? 1 : 0;
ioctl(m_audio_fd, SNDCTL_DSP_STEREO, &stereo);
ioctl(m_audio_fd, SNDCTL_DSP_SPEED, &freq);
}
m_rate = rate;
}
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)
{
error(QString("OSSOutput: failed to open output device '%1'").
arg(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);
if (m_audio_fd > 0)
{
close(m_mixer_fd);
m_mixer_fd = -1;
}
openMixer();
}
void OutputOSS::openMixer()
{
if (m_mixer_fd != -1)
return;
if ((m_mixer_fd = open(m_mixer_device.toAscii(), O_RDWR)) == -1)
{
return;
}
if (m_audio_fd < 0)
{
error(QString("OSSOutput: failed to open mixer device '%1'").
arg(m_mixer_device));
return;
}
}
void OutputOSS::pause()
{
m_pause = (m_pause) ? FALSE : TRUE;
}
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()
{
m_inited = m_pause = m_play = m_userStop = FALSE;
reset();
if (m_audio_fd < 0)
return FALSE;
if (m_mixer_fd < 0)
return FALSE;
m_currentSeconds = -1;
m_totalWritten = 0;
stat = OutputState::Stopped;
m_inited = TRUE;
return TRUE;
}
void OutputOSS::uninitialize()
{
if (!m_inited)
return;
m_inited = FALSE;
m_pause = FALSE;
m_play = FALSE;
m_userStop = FALSE;
m_totalWritten = 0;
m_currentSeconds = -1;
m_bps = -1;
m_frequency = -1;
m_channels = -1;
m_precision = -1;
resetDSP();
if (m_audio_fd > 0)
{
close(m_audio_fd);
m_audio_fd = -1;
}
if (m_audio_fd > 0)
{
close(m_mixer_fd);
m_mixer_fd = -1;
}
qDebug("OutputOSS: uninitialize");
dispatch(OutputState::Stopped);
}
long OutputOSS::latency()
{
ulong used = 0;
if (! m_pause)
{
if (ioctl(m_audio_fd, SNDCTL_DSP_GETODELAY, &used) == -1)
used = 0;
}
return used;
}
void OutputOSS::run()
{
mutex()->lock();
if (! m_inited)
{
mutex()->unlock();
return;
}
m_play = TRUE;
mutex()->unlock();
fd_set afd;
struct timeval tv;
Buffer *b = 0;
bool done = FALSE;
unsigned long n = 0, m = 0, l = 0;
dispatch(OutputState::Playing);
FD_ZERO(&afd);
while (! done) {
mutex()->lock();
recycler()->mutex()->lock();
done = m_userStop;
while (! done && (recycler()->empty() || m_pause)) {
post();
mutex()->unlock();
{
stat = m_pause ? OutputState::Paused : OutputState::Buffering;
OutputState e((OutputState::Type) stat);
dispatch(e);
}
recycler()->cond()->wakeOne();
recycler()->cond()->wait(recycler()->mutex());
mutex()->lock();
done = m_userStop;
status();
}
if (! b) {
b = recycler()->next();
if (b->rate)
m_rate = b->rate;
}
recycler()->cond()->wakeOne();
recycler()->mutex()->unlock();
FD_ZERO(&afd);
FD_SET(m_audio_fd, &afd);
// nice long poll timeout
tv.tv_sec = 5l;
tv.tv_usec = 0l;
if (b &&
(! do_select || (select(m_audio_fd + 1, 0, &afd, 0, &tv) > 0 &&
FD_ISSET(m_audio_fd, &afd)))) {
l = qMin(int(2048), int(b->nbytes - n));
if (l > 0) {
m = write(m_audio_fd, b->data + n, l);
n += m;
status();
dispatchVisual(b, m_totalWritten, m_channels, m_precision);
} else {
// force buffer change
n = b->nbytes;
m = 0;
}
}
m_totalWritten += m;
if (n == b->nbytes) {
recycler()->mutex()->lock();
recycler()->done();
recycler()->mutex()->unlock();
b = 0;
n = 0;
}
mutex()->unlock();
}
mutex()->lock();
if (! m_userStop)
sync();
resetDSP();
m_play = FALSE;
dispatch(OutputState::Stopped);
mutex()->unlock();
}
void OutputOSS::setVolume(int l, int r)
{
int v, devs;
long cmd;
ioctl(m_mixer_fd, SOUND_MIXER_READ_DEVMASK, &devs);
if ((devs & SOUND_MASK_PCM) && (m_master == false))
cmd = SOUND_MIXER_WRITE_PCM;
else if ((devs & SOUND_MASK_VOLUME) && (m_master == true))
cmd = SOUND_MIXER_WRITE_VOLUME;
else
{
//close(mifd);
return;
}
v = (r << 8) | l;
ioctl(m_mixer_fd, cmd, &v);
}
void OutputOSS::volume(int *ll,int *rr)
{
*ll = 0;
*rr = 0;
int cmd;
int v, devs;
ioctl(m_mixer_fd, SOUND_MIXER_READ_DEVMASK, &devs);
if ((devs & SOUND_MASK_PCM) && (m_master == 0))
cmd = SOUND_MIXER_READ_PCM;
else if ((devs & SOUND_MASK_VOLUME) && (m_master == 1))
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;
}
void OutputOSS::checkVolume()
{
long ll = 0, lr = 0, cmd;
int v, devs;
/*
* We dont show any errors if this fails, as this is called
* rather often
*/
// if (!open_mixer_device()) {
ioctl(m_mixer_fd, SOUND_MIXER_READ_DEVMASK, &devs);
if ((devs & SOUND_MASK_PCM) && (m_master == 0))
cmd = SOUND_MIXER_READ_PCM;
else if ((devs & SOUND_MASK_VOLUME) && (m_master == 1))
cmd = SOUND_MIXER_READ_VOLUME;
else
return;
ioctl(m_mixer_fd, cmd, &v);
ll = (v & 0xFF00) >> 8;
lr = (v & 0x00FF);
ll = (ll > 100) ? 100 : ll;
lr = (lr > 100) ? 100 : lr;
ll = (ll < 0) ? 0 : ll;
lr = (lr < 0) ? 0 : lr;
if (bl!=ll || br!=lr)
{
bl = ll;
br = lr;
dispatchVolume(ll,lr);
}
// }
}
