prepare for midi support

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@1815 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 83 insertions, 0 deletions

diff --git a/src/plugins/Input/wildmidi/decoder_wildmidi.cpp b/src/plugins/Input/wildmidi/decoder_wildmidi.cpp
new file mode 100644
index 000000000..f29d60fef
--- /dev/null
+++ b/src/plugins/Input/wildmidi/decoder_wildmidi.cpp
@@ -0,0 +1,83 @@
+/***************************************************************************
+ *   Copyright (C) 2008-2010 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 "wildmidihelper.h"
+#include "decoder_wildmidi.h"
+
+// Decoder class
+DecoderWildMidi::DecoderWildMidi(const QString &path) : Decoder()
+{
+    m_path = path;
+    midi_ptr =  0;
+}
+
+DecoderWildMidi::~DecoderWildMidi()
+{
+    if(midi_ptr)
+        WildMidi_Close(midi_ptr);
+}
+
+bool DecoderWildMidi::initialize()
+{
+    m_totalTime = 0;
+
+    if(!WildMidiHelper::instance()->initialize())
+    {
+        qWarning("DecoderWildMidi: initialization failed");
+        return false;
+    }
+
+
+    midi_ptr = WildMidi_Open (m_path.toLocal8Bit());
+    if(!midi_ptr)
+    {
+        qWarning("DecoderWildMidi: unable to open file");
+        return false;
+    }
+    _WM_Info *wm_info = WildMidi_GetInfo(midi_ptr);
+
+    m_totalTime = (qint64)wm_info->approx_total_samples  / 48;
+
+    configure(48000, 2, Qmmp::PCM_S16LE);
+
+    qDebug("DecoderWildMidi: initialize succes");
+    return true;
+}
+
+qint64 DecoderWildMidi::totalTime()
+{
+    return m_totalTime;
+}
+
+void DecoderWildMidi::seek(qint64 pos)
+{
+    ulong sample = ulong(pos*48);
+    WildMidi_FastSeek(midi_ptr, &sample);
+}
+
+int DecoderWildMidi::bitrate()
+{
+    return 8;
+}
+
+qint64 DecoderWildMidi::read(char *data, qint64 size)
+{
+    return WildMidi_GetOutput (midi_ptr, data, size);
+}