1 files changed, 137 insertions, 0 deletions
diff --git a/src/plugins/Input/xmp/decoder_xmp.cpp b/src/plugins/Input/xmp/decoder_xmp.cpp
new file mode 100644
index 000000000..0aa52dccf
--- /dev/null
+++ b/src/plugins/Input/xmp/decoder_xmp.cpp
@@ -0,0 +1,137 @@
+/***************************************************************************
+ *   Copyright (C) 2015-2021 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 <QObject>
+#include <QSettings>
+#include <QDir>
+#include <QSettings>
+#include "decoder_xmp.h"
+
+// Decoder class
+
+DecoderXmp *DecoderXmp::m_instance = nullptr;
+
+DecoderXmp::DecoderXmp(const QString &path) : Decoder(nullptr), m_path(path)
+{
+    m_instance = this;
+}
+
+DecoderXmp::~DecoderXmp()
+{
+    if(m_instance == this)
+        m_instance = nullptr;
+    deinit();
+}
+
+DecoderXmp *DecoderXmp::instance()
+{
+    return m_instance;
+}
+
+bool DecoderXmp::initialize()
+{
+    m_ctx = xmp_create_context();
+
+    int err = xmp_load_module(m_ctx, m_path.toLocal8Bit().data());
+    if(err != 0)
+    {
+        qWarning("DecoderXmp: unable to load module file, error = %d", err);
+        xmp_free_context(m_ctx);
+        m_ctx = nullptr;
+        return false;
+    }
+
+    xmp_module_info mi;
+    xmp_get_module_info(m_ctx, &mi);
+
+    m_totalTime = mi.seq_data[0].duration;
+
+    QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+    m_srate = settings.value("Xmp/sample_rate", 44100).toInt();
+
+    xmp_start_player(m_ctx, m_srate, 0);
+    readSettings();
+
+    configure(m_srate, 2, Qmmp::PCM_S16LE);
+    return true;
+}
+
+qint64 DecoderXmp::totalTime() const
+{
+    return m_totalTime;
+}
+
+int DecoderXmp::bitrate() const
+{
+    return 8;
+}
+
+qint64 DecoderXmp::read(unsigned char *audio, qint64 maxSize)
+{
+    int c = xmp_play_buffer(m_ctx, audio, maxSize, 1);
+
+    if(c == 0)
+        return maxSize;
+    else if(c == -XMP_END)
+        return 0;
+
+    return -1;
+}
+
+void DecoderXmp::seek(qint64 pos)
+{
+    xmp_seek_time(m_ctx, pos);
+}
+
+void DecoderXmp::deinit()
+{
+    if(m_ctx)
+    {
+        xmp_end_player(m_ctx);
+        xmp_release_module(m_ctx);
+        xmp_free_context(m_ctx);
+        m_ctx = nullptr;
+    }
+}
+
+void DecoderXmp::readSettings()
+{
+    if(m_ctx)
+    {
+        QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+        settings.beginGroup("Xmp");
+        xmp_set_player(m_ctx, XMP_PLAYER_AMP, settings.value("amp_factor", 1).toInt());
+        xmp_set_player(m_ctx, XMP_PLAYER_MIX, settings.value("stereo_mix", 70).toInt());
+        xmp_set_player(m_ctx, XMP_PLAYER_INTERP, settings.value("interpolation", XMP_INTERP_LINEAR).toInt());
+        int flags = 0;
+        if(settings.value("lowpass", false).toBool())
+            flags |= XMP_DSP_LOWPASS;
+        xmp_set_player(m_ctx, XMP_PLAYER_DSP, flags);
+        flags = 0;
+        if(settings.value("vblank", false).toBool())
+            flags |= XMP_FLAGS_VBLANK;
+        if(settings.value("fx9bug", false).toBool())
+            flags |= XMP_FLAGS_FX9BUG;
+        xmp_set_player(m_ctx, XMP_PLAYER_FLAGS, flags);
+
+
+        settings.endGroup();
+    }
+}