1 files changed, 94 insertions, 0 deletions
diff --git a/src/video/VideoInfo.cpp b/src/video/VideoInfo.cpp
new file mode 100644
index 0000000..50cfec4
--- /dev/null
+++ b/src/video/VideoInfo.cpp
@@ -0,0 +1,94 @@
+//
+//  libavg - Media Playback Engine. 
+//  Copyright (C) 2003-2014 Ulrich von Zadow
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2 of the License, or (at your option) any later version.
+//
+//  This library 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
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  Current versions can be found at www.libavg.de
+//
+
+#include "VideoInfo.h"
+
+#include "../base/Exception.h"
+
+namespace avg {
+
+using namespace std;
+
+VideoInfo::VideoInfo()
+{
+}
+
+VideoInfo::VideoInfo(string sContainerFormat, float duration, int bitrate, bool bHasVideo,
+        bool bHasAudio)
+    : m_sContainerFormat(sContainerFormat), 
+      m_Duration(duration),
+      m_Bitrate(bitrate),
+      m_bHasVideo(bHasVideo),
+      m_bHasAudio(bHasAudio)
+{
+}
+
+void VideoInfo::setVideoData(const IntPoint& size, const string& sPixelFormat,
+        int numFrames, float streamFPS, const string& sVCodec,
+        bool bUsesVDPAU, float duration)
+{
+    AVG_ASSERT(m_bHasVideo);
+    m_Size = size;
+    m_sPixelFormat = sPixelFormat;
+    m_NumFrames = numFrames;
+    m_StreamFPS = streamFPS;
+    m_sVCodec = sVCodec;
+    m_bUsesVDPAU = bUsesVDPAU;
+    m_VideoDuration = duration;
+}
+
+void VideoInfo::setAudioData(const string& sACodec, int sampleRate, int numAudioChannels,
+        float duration)
+{
+    AVG_ASSERT(m_bHasAudio);
+    m_sACodec = sACodec;
+    m_SampleRate = sampleRate;
+    m_NumAudioChannels = numAudioChannels;
+    m_AudioDuration = duration;
+}
+    
+float getStreamFPS(AVStream* pStream)
+{
+    float fps = 0;
+    if (pStream->avg_frame_rate.den != 0) {
+        fps = float(av_q2d(pStream->avg_frame_rate));
+    }
+#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(54, 25, 0)
+    if (fps == 0 && pStream->r_frame_rate.den != 0) {
+        fps = float(av_q2d(pStream->r_frame_rate));
+    }
+#endif
+    if (fps == 0) { 
+        float duration = float(pStream->duration)*float(av_q2d(pStream->time_base));
+        fps = pStream->nb_frames/duration;
+    }
+    AVG_ASSERT(fps < 10000);
+/*
+    cerr << "getStreamFPS: fps= " << fps << endl;
+    cerr << "    r_frame_rate num: " << m_pVStream->r_frame_rate.num << ", den: " << m_pVStream->r_frame_rate.den << endl;
+    cerr << "    avg_frame_rate: num: " << m_pVStream->avg_frame_rate.num << ", den: " << m_pVStream->avg_frame_rate.den << endl;
+    cerr << "    numFrames= " << getNumFrames() << ", duration= " 
+                << getDuration(SS_VIDEO) << endl;
+*/
+    return fps;
+}
+
+}