src/ui/mp3player.cpp


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/***************************************************************************
 *   Copyright (C) 2006-2008 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.             *
 ***************************************************************************/


#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <QApplication>
#include <QTranslator>
#include <QLocale>
#include <QLibraryInfo>
#include <stdio.h>
#include <stdlib.h>

#include "mainwindow.h"
#include "playlist.h"
#include "qmmpstarter.h"

int main(int argc, char *argv[])
{
    QApplication a (argc, argv );
    a.setApplicationName("qmmp");
    QTranslator translator;
    QString locale = QLocale::system().name();
    translator.load(QString(":/qmmp_") + locale);
    a.installTranslator(&translator);

    QTranslator qt_translator;
    qt_translator.load(QLibraryInfo::location (QLibraryInfo::TranslationsPath) + "/qt_" + locale);
    a.installTranslator(&qt_translator);

    QMMPStarter starter(argc,argv);
    Q_UNUSED(starter)

    return a.exec();
}
/***************************************************************************
 *   Copyright (C) 2008 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 <QObject>
#include <QIODevice>
#include <QFile>
#include <QDir>
#include <QSettings>
#include <math.h>

#include <libmodplug/stdafx.h>
#include <libmodplug/it_defs.h>
#include <libmodplug/sndfile.h>

#include <qmmp/constants.h>
#include <qmmp/buffer.h>
#include <qmmp/output.h>
#include <qmmp/recycler.h>

#include <stdint.h>

#include "archivereader.h"
#include "decoder_modplug.h"

// Decoder class

DecoderModPlug* DecoderModPlug::m_instance = 0;

DecoderModPlug::DecoderModPlug(QObject *parent, DecoderFactory *d, QIODevice *i, Output *o)
        : Decoder(parent, d, i, o)
{
    m_inited = FALSE;
    m_user_stop = FALSE;
    m_output_buf = 0;
    m_output_bytes = 0;
    m_output_at = 0;
    m_bks = 0;
    m_done = FALSE;
    m_finish = FALSE;
    m_freq = 0;
    m_bitrate = 0;
    m_seekTime = -1.0;
    m_totalTime = 0.0;
    m_chan = 0;
    m_output_size = 0;
    //m_modFile = 0;
    m_soundFile = 0;
    m_sampleSize = 0;
    m_instance = this;
}

DecoderModPlug::~DecoderModPlug()
{
    deinit();
    if (m_output_buf)
        delete [] m_output_buf;
    m_output_buf = 0;
    m_instance = 0;
}

void DecoderModPlug::stop()
{
    m_user_stop = TRUE;
}

void DecoderModPlug::flush(bool final)
{
    ulong min = final ? 0 : m_bks;

    while ((! m_done && ! m_finish) && m_output_bytes > min)
    {
        output()->recycler()->mutex()->lock ();

        while ((! m_done && ! m_finish) && output()->recycler()->full())
        {
            mutex()->unlock();

            output()->recycler()->cond()->wait(output()->recycler()->mutex());

            mutex()->lock ();
            m_done = m_user_stop;
        }

        if (m_user_stop || m_finish)
        {
            m_inited = FALSE;
            m_done = TRUE;
        }
        else
        {
            m_output_bytes -= produceSound(m_output_buf, m_output_bytes, m_bitrate, m_chan);
            m_output_size += m_bks;
            m_output_at = m_output_bytes;
        }

        if (output()->recycler()->full())
        {
            output()->recycler()->cond()->wakeOne();
        }

        output()->recycler()->mutex()->unlock();
    }
}

bool DecoderModPlug::initialize()
{
    m_bks = blockSize();
    m_inited = m_user_stop = m_done = m_finish = FALSE;
    m_freq = m_bitrate = 0;
    m_chan = 0;
    m_output_size = 0;
    m_seekTime = -1.0;
    m_totalTime = 0.0;


    if (! input())
    {
        error("DecoderModPlug: cannot initialize.  No input.");

        return FALSE;
    }

    if (! m_output_buf)
        m_output_buf = new char[globalBufferSize];
    m_output_at = 0;
    m_output_bytes = 0;

    QString filename = qobject_cast<QFile*>(input())->fileName ();
    ArchiveReader reader(this);
    if(reader.isSupported(filename))
    {
        input()->close();
        m_input_buf = reader.unpack(filename);
    }
    else
        m_input_buf = input()->readAll();

    if (m_input_buf.isEmpty())
    {
        qWarning("DecoderModPlug: error reading moplug file");
        return FALSE;
    }
    m_soundFile = new CSoundFile();
    readSettings();
    m_sampleSize = m_bps / 8 * m_chan;
    m_soundFile->Create((uchar*) m_input_buf.data(), m_input_buf.size());
    m_bitrate = m_soundFile->GetNumChannels();
    /*if(!m_modFile)
    {
        qWarning("DecoderModPlug: error reading moplug file");
        return FALSE;
    }*/

    m_totalTime = (int) m_soundFile->GetSongTime();
    configure(m_freq, m_chan, m_bps, m_bitrate);
    m_inited = TRUE;
    return TRUE;
}

double DecoderModPlug::lengthInSeconds()
{
    if (! m_inited)
        return 0;

    return m_totalTime;
}


void DecoderModPlug::seek(double pos)
{
    m_seekTime = pos;
}

void DecoderModPlug::deinit()
{
    m_inited = m_user_stop = m_done = m_finish = FALSE;
    m_freq = m_bitrate = 0;
    m_chan = 0;
    m_output_size = 0;
    if (m_soundFile)
    {
        m_soundFile->Destroy();
        delete m_soundFile;
        m_soundFile = 0;
    }
    m_input_buf.clear();
}

void DecoderModPlug::run()
{
    mutex()->lock ();

    ulong len = 0;
    if (! m_inited)
    {
        mutex()->unlock();

        return;
    }
    mutex()->unlock();
    dispatch(DecoderState::Decoding);

    while (! m_done && ! m_finish)
    {
        mutex()->lock ();

        //seeking

        if (m_seekTime >= 0.0)
        {
            quint32  lMax;
            quint32  lMaxtime;
            double lPostime;

            if (m_seekTime > (lMaxtime = m_soundFile->GetSongTime()))
                m_seekTime = lMaxtime;
            lMax = m_soundFile->GetMaxPosition();
            lPostime = float(lMax) / lMaxtime;
            m_soundFile->SetCurrentPos(int(m_seekTime * lPostime));
            m_seekTime = -1.0;
        }

        // decode
        len = m_bks > (globalBufferSize - m_output_at) ? globalBufferSize - m_output_at : m_bks;