ported ffmpeg plugin (Closes issue 170)

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@1254 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 76 insertions, 0 deletions

diff --git a/src/plugins/Input/ffmpeg/ffmpegmetadatamodel.cpp b/src/plugins/Input/ffmpeg/ffmpegmetadatamodel.cpp
new file mode 100644
index 000000000..4705602d8
--- /dev/null
+++ b/src/plugins/Input/ffmpeg/ffmpegmetadatamodel.cpp
@@ -0,0 +1,76 @@
+/***************************************************************************
+ *   Copyright (C) 2009 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.             *
+ ***************************************************************************/
+
+
+extern "C"
+{
+#if defined HAVE_FFMPEG_AVCODEC_H
+#include <ffmpeg/avcodec.h>
+#elif defined HAVE_LIBAVCODEC_AVCODEC_H
+#include <libavcodec/avcodec.h>
+#else
+#include <avcodec.h>
+#endif
+}
+#include "ffmpegmetadatamodel.h"
+
+FFmpegMetaDataModel::FFmpegMetaDataModel(const QString &path, QObject *parent) : MetaDataModel(parent)
+{
+    m_in = 0;
+    avcodec_init();
+    avcodec_register_all();
+    av_register_all();
+    if (av_open_input_file(&m_in, path.toLocal8Bit(), NULL,0, NULL) < 0)
+        return;
+    av_find_stream_info(m_in);
+    av_read_play(m_in);
+}
+
+FFmpegMetaDataModel::~FFmpegMetaDataModel()
+{
+    if(m_in)
+        av_close_input_file(m_in);
+}
+
+QHash<QString, QString> FFmpegMetaDataModel::audioProperties()
+{
+    QHash<QString, QString> ap;
+    if(!m_in)
+        return ap;
+    QString text = QString("%1").arg(int(m_in->duration/AV_TIME_BASE)/60);
+    text +=":"+QString("%1").arg(int(m_in->duration/AV_TIME_BASE)%60,2,10,QChar('0'));
+    ap.insert(tr("Length"), text);
+    ap.insert(tr("File size"),  QString("%1 ").arg(m_in->file_size/1024)+" "+tr("KB"));
+    ap.insert(tr("Bitrate"), QString("%1 "+tr("kbps")).arg(m_in->bit_rate/1000));
+
+    AVCodecContext *c = 0;
+    uint wma_idx;
+    for (wma_idx = 0; wma_idx < m_in->nb_streams; wma_idx++)
+    {
+        c = m_in->streams[wma_idx]->codec;
+        if (c->codec_type == CODEC_TYPE_AUDIO) break;
+    }
+    if (c)
+    {
+        ap.insert(tr("Samplerate"), QString("%1 " + tr("Hz")).arg(c->sample_rate));
+        ap.insert(tr("Channels"), QString("%1").arg(c->channels));
+    }
+    return ap;
+}