1 files changed, 53 insertions, 0 deletions
diff --git a/src/plugins/Input/ffmpeg/replaygainreader.cpp b/src/plugins/Input/ffmpeg/replaygainreader.cpp
new file mode 100644
index 000000000..3ab6144fe
--- /dev/null
+++ b/src/plugins/Input/ffmpeg/replaygainreader.cpp
@@ -0,0 +1,53 @@
+/***************************************************************************
+ *   Copyright (C) 2016 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 "replaygainreader.h"
+
+ReplayGainReader::ReplayGainReader(AVFormatContext *ic)
+{
+    AVDictionaryEntry *t = 0;
+    while((t = av_dict_get(ic->metadata, "", t, AV_DICT_IGNORE_SUFFIX)))
+    {
+        if(!strcmp(t->key, "replaygain_album_gain"))
+            setValue(Qmmp::REPLAYGAIN_ALBUM_GAIN, t->value);
+        else if(!strcmp(t->key, "replaygain_album_peak"))
+            setValue(Qmmp::REPLAYGAIN_ALBUM_PEAK, t->value);
+        else if(!strcmp(t->key, "replaygain_track_gain"))
+            setValue(Qmmp::REPLAYGAIN_TRACK_GAIN, t->value);
+        else if(!strcmp(t->key, "replaygain_track_peak"))
+            setValue(Qmmp::REPLAYGAIN_TRACK_PEAK, t->value);
+    }
+}
+
+QMap <Qmmp::ReplayGainKey, double> ReplayGainReader::replayGainInfo() const
+{
+    return m_values;
+}
+
+void ReplayGainReader::setValue(Qmmp::ReplayGainKey key, QString value)
+{
+    value.remove(" dB");
+    if(value.isEmpty())
+        return;
+    bool ok;
+    double v = value.toDouble(&ok);
+    if(ok)
+        m_values[key] = v;
+}