prepare for sid plugin implementation

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@3405 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 100 insertions, 0 deletions

diff --git a/src/plugins/Input/sid/decoder_sid.cpp b/src/plugins/Input/sid/decoder_sid.cpp
new file mode 100644
index 000000000..bcd84e56b
--- /dev/null
+++ b/src/plugins/Input/sid/decoder_sid.cpp
@@ -0,0 +1,100 @@
+/***************************************************************************
+ *   Copyright (C) 2013 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.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
+ ***************************************************************************/
+
+
+#include "decoder_sid.h"
+
+// Decoder class
+DecoderSID::DecoderSID(QIODevice *input) : Decoder(input)
+{
+    m_player = new sidplayfp();
+}
+
+DecoderSID::~DecoderSID()
+{
+    delete m_player;
+}
+
+bool DecoderSID::initialize()
+{
+    QByteArray data = input()->readAll();
+
+    if(data.isEmpty())
+    {
+        qWarning("DecoderSID: error: %s", qPrintable(input()->errorString()));
+        return false;
+    }
+
+    SidTune *tune = new SidTune(0);
+    tune->read((const unsigned char*)data.constData(), data.size());
+    tune->selectSong(0);
+
+    if(!tune->getStatus())
+    {
+        qWarning("DecoderSID: error: %s", tune->statusString());
+        return false;
+    }
+
+    sidbuilder *rs = new ReSIDfpBuilder("ReSIDfp builder");
+    rs->create(m_player->info().maxsids());
+
+    SidConfig cfg = m_player->config();
+
+    cfg.frequency    = 44100;
+    cfg.samplingMethod = SidConfig::INTERPOLATE;
+    cfg.playback     = SidConfig::STEREO;
+    cfg.sidEmulation = rs;
+
+    if(!m_player->config(cfg))
+    {
+        qWarning("DecoderSID: unable to load config, error: %s", m_player->error());
+        return false;
+    }
+
+    if(!m_player->load(tune))
+    {
+        qWarning("DecoderSID: unable to load tune, error: %s", m_player->error());
+        return false;
+    }
+
+    configure(44100, 2);
+    qDebug("DecoderSID: initialize succes");
+    return true;
+}
+
+qint64 DecoderSID::totalTime()
+{
+    return 0;
+}
+
+void DecoderSID::seek(qint64 pos)
+{
+    Q_UNUSED(pos);
+}
+
+int DecoderSID::bitrate()
+{
+    return 8;
+}
+
+qint64 DecoderSID::read(char *data, qint64 size)
+{
+    return m_player->play((short *)data, size/2) * 2;
+}