added modplug plugin

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@348 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 363 insertions, 0 deletions

diff --git a/src/plugins/Input/modplug/decoder_modplug.cpp b/src/plugins/Input/modplug/decoder_modplug.cpp
new file mode 100644
index 000000000..26a959e1c
--- /dev/null
+++ b/src/plugins/Input/modplug/decoder_modplug.cpp
@@ -0,0 +1,363 @@
+/***************************************************************************
+ *   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;
+        len = m_soundFile->Read (m_output_buf + m_output_at, len) * m_sampleSize;
+
+        if (len > 0)
+        {
+            m_output_at += len;
+            m_output_bytes += len;
+
+            if (output())
+                flush();
+
+        }
+        else if (len == 0)
+        {
+            flush(TRUE);
+
+            if (output())
+            {
+                output()->recycler()->mutex()->lock ();
+                // end of stream
+                while (! output()->recycler()->empty() && ! m_user_stop)
+                {
+                    output()->recycler()->cond()->wakeOne();
+                    mutex()->unlock();
+                    output()->recycler()->cond()->wait(output()->recycler()->mutex());
+                    mutex()->lock ();
+                }
+                output()->recycler()->mutex()->unlock();
+            }
+
+            m_done = TRUE;
+            if (! m_user_stop)
+            {
+                m_finish = TRUE;
+            }
+        }
+        else
+        {
+            // error in read
+            error("DecoderModPlug: Error while decoding stream, File appears to be "
+                  "corrupted");
+            m_finish = TRUE;
+        }
+        mutex()->unlock();
+    }
+
+    mutex()->lock ();
+
+    if (m_finish)
+        dispatch(DecoderState::Finished);
+    else if (m_user_stop)
+        dispatch(DecoderState::Stopped);
+
+    mutex()->unlock();
+
+    deinit();
+}
+
+void DecoderModPlug::readSettings()
+{
+    if (!m_soundFile)
+        return;
+    QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat);
+    settings.beginGroup("ModPlug");
+    CSoundFile::SetWaveConfig
+    (
+        m_freq = settings.value("Frequency", 44100).toInt(),
+        m_bps = settings.value("Bits", 16).toInt(),
+        m_chan = settings.value("Channels", 2).toInt()
+    );
+
+    CSoundFile::SetWaveConfigEx
+    (
+        settings.value("Surround", TRUE).toBool(),
+        TRUE,
+        settings.value("Reverb", TRUE).toBool(),
+        TRUE,
+        settings.value("Megabass", FALSE).toBool(),
+        settings.value("NoiseReduction", FALSE).toBool(),
+        FALSE
+    );
+    if (settings.value("Reverb", TRUE).toBool())
+    {
+        CSoundFile::SetReverbParameters
+        (
+            settings.value("ReverbDepth", 30).toInt(),
+            settings.value("ReverbDelay", 100).toInt()
+        );
+    }
+    if (settings.value("Megabass", FALSE).toBool())
+    {
+        CSoundFile::SetXBassParameters
+        (
+            settings.value("BassAmount", 40).toInt(),
+            settings.value("BassRange", 30).toInt()
+        );
+    }
+    if (settings.value("Surround", TRUE).toBool())
+    {
+        CSoundFile::SetSurroundParameters
+        (
+            settings.value("SurroundDepth", 20).toInt(),
+            settings.value("SurroundDelay", 20).toInt()
+        );
+    }
+    CSoundFile::SetResamplingMode(settings.value("ResamplineMode", SRCMODE_POLYPHASE).toInt());
+    m_soundFile->SetRepeatCount(settings.value("LoopCount", 0).toInt());
+
+
+    //general
+   /*
+    ui.amigaCheckBox->setChecked(settings.value("GrabAmigaMOD", TRUE).toBool());*/
+    //resampling frequency
+    //preamp
+    //ui.preampGroupBox->setChecked(settings.value("PreAmp", FALSE).toBool());
+    //ui.preampSlider->setValue(int(settings.value("PreAmpLevel", 0.0f).toDouble()*10));
+    settings.endGroup();
+}
+
+DecoderModPlug* DecoderModPlug::instance()
+{
+    return m_instance;
+}