updated bs2b plugin. Now it uses updated bs2b library and enabled by default

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@810 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 73 insertions, 0 deletions

diff --git a/src/plugins/Effect/bs2b/bs2bplugin.cpp b/src/plugins/Effect/bs2b/bs2bplugin.cpp
new file mode 100644
index 000000000..59a9faad2
--- /dev/null
+++ b/src/plugins/Effect/bs2b/bs2bplugin.cpp
@@ -0,0 +1,73 @@
+/***************************************************************************
+ *   Copyright (C) 2009 by Ilya Kotov <forkotov02@hotmail.ru>              *
+ *   Copyright (C) 2009 by Sebastian Pipping <sebastian@pipping.org>       *
+ *                                                                         *
+ *   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 <QSettings>
+#include <math.h>
+#include <stdlib.h>
+#include <qmmp/qmmp.h>
+#include "bs2bplugin.h"
+
+Bs2bPlugin::Bs2bPlugin(QObject* parent) : Effect(parent)
+{
+    m_bs2b_handler = bs2b_open();
+    QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+    bs2b_set_level(m_bs2b_handler, settings.value("bs2b/level", BS2B_DEFAULT_CLEVEL).toInt());
+}
+
+Bs2bPlugin::~Bs2bPlugin()
+{
+    bs2b_clear(m_bs2b_handler);
+}
+
+#define CASE_BS2B(bitsPerSample, dataType, functionToCall, samples, out_data) \
+    case bitsPerSample: \
+        { \
+            dataType * data = reinterpret_cast<dataType *>(*out_data); \
+            while (samples--) { \
+                functionToCall(m_bs2b_handler, data); \
+                data += 2; \
+            } \
+        } \
+        break;
+
+ulong Bs2bPlugin::process(char *in_data, const ulong size, char **out_data)
+{
+    memcpy(*out_data, in_data, size);
+    if (channels() != 2)
+        return size;
+
+    uint samples = size / (bitsPerSample() / 8) / 2;
+    switch (bitsPerSample())
+    {
+        CASE_BS2B(8,  char,  bs2b_cross_feed_s8, samples, out_data)
+        CASE_BS2B(16, short, bs2b_cross_feed_16, samples, out_data)
+        CASE_BS2B(32, long,  bs2b_cross_feed_32, samples, out_data)
+    default:
+        ; // noop
+    }
+    return size;
+}
+
+void Bs2bPlugin::configure(quint32 freq, int chan, int res)
+{
+    Effect::configure(freq, chan, res);
+    bs2b_set_srate(m_bs2b_handler,freq);
+    bs2b_set_level(m_bs2b_handler, BS2B_DEFAULT_CLEVEL);
+}