/***************************************************************************
 *   Copyright (C) 2010-2015 by Ilya Kotov                                 *
 *   forkotov02@ya.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.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 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;
VolumeOSS4 *OutputOSS4::m_vc = 0;
Qmmp::ChannelPosition OutputOSS4::m_oss_pos[16] =
{
    Qmmp::CHAN_NULL,         //0 = null
    Qmmp::CHAN_FRONT_LEFT,   //1 = left
    Qmmp::CHAN_FRONT_RIGHT,  //2 = right
    Qmmp::CHAN_FRONT_CENTER, //3 = center
    Qmmp::CHAN_LFE,          //4 = lfe
    Qmmp::CHAN_SIDE_LEFT,    //5 = left surround
    Qmmp::CHAN_SIDE_RIGHT,   //6 = right surround
    Qmmp::CHAN_REAR_LEFT,    //7 = left rear
    Qmmp::CHAN_REAR_LEFT,    //8 = right rear
    Qmmp::CHAN_NULL,
    Qmmp::CHAN_NULL,
    Qmmp::CHAN_NULL,
    Qmmp::CHAN_NULL,
    Qmmp::CHAN_NULL,
    Qmmp::CHAN_NULL,
    Qmmp::CHAN_NULL
};


OutputOSS4::OutputOSS4() : Output()
{
    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;
}

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(quint32 freq, ChannelMap map, Qmmp::AudioFormat format)
{
    m_audio_fd = open(m_audio_device.toLatin1(), O_WRONLY);

    if (m_audio_fd < 0)
    {
        qWarning("OSS4Output: unable to open output device '%s'; error: %s",
                 qPrintable(m_audio_device), strerror(errno));
        return false;
    }

    ioctl(m_audio_fd, SNDCTL_DSP_RESET, 0);

    int p;
    int chan = map.count();
    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 false;
    }

    if (ioctl(m_audio_fd, SNDCTL_DSP_SETFMT, &p) == -1)
        qWarning("OutputOSS4: ioctl SNDCTL_DSP_SETFMT failed: %s",strerror(errno));

    if(ioctl(m_audio_fd, SNDCTL_DSP_CHANNELS, &chan) == -1)
        qWarning("OutputOSS4: ioctl SNDCTL_DSP_CHANNELS failed: %s", strerror(errno));

    if (ioctl(m_audio_fd, SNDCTL_DSP_SPEED, &freq) < 0)
        qWarning("OutputOSS4: ioctl SNDCTL_DSP_SPEED failed: %s", strerror(errno));

    int enabled = 1;
    if(ioctl(m_audio_fd, SNDCTL_DSP_COOKEDMODE, &enabled) == -1)
        qWarning("OutputOSS4: ioctl SNDCTL_DSP_COOKEDMODE: %s", strerror(errno));

    quint64 layout = 0;
    if (ioctl (m_audio_fd, SNDCTL_DSP_GET_CHNORDER, &layout) == -1)
    {
        qWarning("OutputOSS4: couldn't query channel layout, assuming default");
        layout = CHNORDER_NORMAL;
    }
    ChannelMap oss_map;
    for(int i = 0; i < chan; i++)
    {
        quint32 pos = ((layout >> (i * 4)) & 0x0f);
        oss_map << m_oss_pos[pos];
    }

   project(libincdecvolumeoption)

cmake_minimum_required(VERSION 2.4.7)

if(COMMAND cmake_policy)
cmake_policy(SET CMP0003 NEW)
endif(COMMAND cmake_policy)


# qt plugin
ADD_DEFINITIONS( -Wall )
ADD_DEFINITIONS(${QT_DEFINITIONS})
ADD_DEFINITIONS(-DQT_PLUGIN)
ADD_DEFINITIONS(-DQT_NO_DEBUG)
ADD_DEFINITIONS(-DQT_SHARED)
ADD_DEFINITIONS(-DQT_THREAD)

include_directories(${CMAKE_CURRENT_BINARY_DIR})

SET(QT_INCLUDES
  ${QT_INCLUDES}
  ${CMAKE_CURRENT_SOURCE_DIR}/../../../
)

# libqmmpui
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../../../)
link_directories(${CMAKE_CURRENT_BINARY_DIR}/../../../qmmpui)
link_directories(${CMAKE_CURRENT_BINARY_DIR}/../../../qmmp)

SET(libincdecvolumeoption_SRCS
    incdecvolumeoption.cpp
)

SET(libincdecvolumeoption_MOC_HDRS
    incdecvolumeoption.h
)

SET(libincdecvolumeoption_RCCS translations/translations.qrc)

QT4_ADD_RESOURCES(libincdecvolumeoption_RCC_SRCS ${libincdecvolumeoption_RCCS})

QT4_WRAP_CPP(libincdecvolumeoption_MOC_SRCS ${libincdecvolumeoption_MOC_HDRS})


# Don&apos;t forget to include output directory, otherwise
# the UI file won&apos;t be wrapped!
include_directories(${CMAKE_CURRENT_BINARY_DIR})

ADD_LIBRARY(incdecvolumeoption MODULE ${libincdecvolumeoption_SRCS} ${libincdecvolumeoption_MOC_SRCS} 
           ${libincdecvolumeoption_RCC_SRCS})
add_dependencies(incdecvolumeoption qmmpui)
target_link_libraries(incdecvolumeoption ${QT_LIBRARIES} -lqmmpui -lqmmp)
install(TARGETS incdecvolumeoption DESTINATION ${LIB_DIR}/qmmp/CommandLineOptions)
</code></pre></td></tr></table>
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>fd(), SNDCTL_DSP_SETPLAYVOL, &m_volume);
    }
}