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Diffstat (limited to 'src/plugins/Output/oss4/outputoss4.cpp')
| -rw-r--r-- | src/plugins/Output/oss4/outputoss4.cpp | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/src/plugins/Output/oss4/outputoss4.cpp b/src/plugins/Output/oss4/outputoss4.cpp new file mode 100644 index 000000000..d9c46f2b6 --- /dev/null +++ b/src/plugins/Output/oss4/outputoss4.cpp @@ -0,0 +1,241 @@ +/*************************************************************************** + * Copyright (C) 2010 by Ilya Kotov * + * forkotov02@hotmail.ru * + * * + * 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 <QSettings> +#include <QDir> + +extern "C" +{ +#ifdef HAVE_SYS_SOUNDCARD_H +#include <sys/soundcard.h> +#else +#include <soundcard.h> +#endif +//#include </usr/lib/oss/include/sys/soundcard.h> +} + +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <iostream> +#include <unistd.h> +#include <fcntl.h> +#include <sys/ioctl.h> +#include <sys/time.h> +#include <qmmp/buffer.h> +#include <qmmp/visual.h> +#include "outputoss4.h" + + +OutputOSS4 *OutputOSS4::m_instance = 0; + +OutputOSS4::OutputOSS4(QObject *parent) : Output(parent) +{ + m_do_select = true; + m_audio_fd = -1; + QSettings settings(Qmmp::configFile(), QSettings::IniFormat); + m_audio_device = settings.value("OSS4/device", DEFAULT_DEV).toString(); + m_instance = this; +} + +OutputOSS4::~OutputOSS4() +{ + if (m_audio_fd >= 0) + { + ioctl(m_audio_fd, SNDCTL_DSP_RESET, 0); + close(m_audio_fd); + m_audio_fd = -1; + } + m_instance = 0; +} + +void OutputOSS4::configure(quint32 freq, int chan, Qmmp::AudioFormat format) +{ + int p; + switch (format) + { + case Qmmp::PCM_S32LE: + p = AFMT_S32_LE; + break; + case Qmmp::PCM_S24LE: + p = AFMT_S24_LE; + break; + case Qmmp::PCM_S16LE: + p = AFMT_S16_LE; + break; + case Qmmp::PCM_S8: + p = AFMT_S8; + break; + default: + qWarning("OutputOSS4: unsupported audio format"); + return; + } + int param = p; + if (ioctl(m_audio_fd, SNDCTL_DSP_SETFMT, &p) < 0) + { + qWarning("OutputOSS4: ioctl SNDCTL_DSP_SETFMT failed: %s",strerror(errno)); + return; + } + if(param != p) + { + qWarning("OutputOSS4: unsupported audio format"); + return; + } + param = chan; + if(ioctl(m_audio_fd, SNDCTL_DSP_CHANNELS, &chan) < 0) + { + qWarning("OutputOSS4: ioctl SNDCTL_DSP_CHANNELS failed: %s", strerror(errno)); + return; + } + if(param != chan) + { + qWarning("OutputOSS4: unsupported %d-channel mode", param); + return; + } + uint param2 = freq; + if (ioctl(m_audio_fd, SNDCTL_DSP_SPEED, &freq) < 0) + { + qWarning("OutputOSS4: ioctl SNDCTL_DSP_SPEED failed: %s", strerror(errno)); + return; + } + if(param2 != freq) + { + qWarning("OutputOSS4: unsupported sample rate"); + return; + } + ioctl(m_audio_fd, SNDCTL_DSP_RESET, 0); + Output::configure(freq, chan, format); +} + +int OutputOSS4::fd() +{ + return m_audio_fd; +} + +OutputOSS4 *OutputOSS4::instance() +{ + return m_instance; +} + +void OutputOSS4::post() +{ + ioctl(m_audio_fd, SNDCTL_DSP_POST, 0); +} + +void OutputOSS4::sync() +{ + ioctl(m_audio_fd, SNDCTL_DSP_SYNC, 0); +} + +bool OutputOSS4::initialize() +{ + m_audio_fd = open(m_audio_device.toAscii(), O_WRONLY, 0); + + if (m_audio_fd < 0) + { + qWarning("OSS4Output: unable to open output device '%s'; error: %s", + qPrintable(m_audio_device), strerror(errno)); + return false; + } + + 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; + m_do_select = (select(m_audio_fd + 1, 0, &afd, 0, &tv) > 0); + return true; +} + +qint64 OutputOSS4::latency() +{ + return 0; +} + +qint64 OutputOSS4::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 ((!m_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; +} + +void OutputOSS4::drain() +{ + ioctl(m_audio_fd, SNDCTL_DSP_SYNC, 0); +} + +void OutputOSS4::reset() +{ + ioctl(m_audio_fd, SNDCTL_DSP_RESET, 0); +} + +/***** MIXER *****/ +VolumeControlOSS4::VolumeControlOSS4(QObject *parent) : VolumeControl(parent) +{} + +VolumeControlOSS4::~VolumeControlOSS4() +{} + +void VolumeControlOSS4::setVolume(int l, int r) +{ + if(OutputOSS4::instance() && OutputOSS4::instance()->fd() >= 0) + { + int v = (r << 8) | l; + ioctl(OutputOSS4::instance()->fd(), SNDCTL_DSP_SETPLAYVOL, &v); + } +} + +void VolumeControlOSS4::volume(int *ll,int *rr) +{ + *ll = 0; + *rr = 0; + if(OutputOSS4::instance() && OutputOSS4::instance()->fd() >= 0) + { + int v = 0; + if (ioctl(OutputOSS4::instance()->fd(), SNDCTL_DSP_GETPLAYVOL, &v) < 0) + v = 0; + *rr = (v & 0xFF00) >> 8; + *ll = (v & 0x00FF); + } +} |