From a2254447b138af7fc0719e5a107816487255736b Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@herge.(none)>
Date: Thu, 8 Aug 2013 13:32:46 +0100
Subject: basic speed control for video_loader

---
 rotord/src/libavwrapper.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'rotord/src/libavwrapper.h')

diff --git a/rotord/src/libavwrapper.h b/rotord/src/libavwrapper.h
index 4c5cb02..ebe47c1 100755
--- a/rotord/src/libavwrapper.h
+++ b/rotord/src/libavwrapper.h
@@ -29,6 +29,10 @@
 //http://blog.tomaka17.com/2012/03/libavcodeclibavformat-tutorial/
 //great to use c++11 features
 
+
+//http://dranger.com/ffmpeg/
+//the mnost up to date tutorial?
+
 #ifndef UINT64_C
 #define UINT64_C(c) (c ## ULL)
 #endif
@@ -103,6 +107,7 @@ namespace libav {
         int getNumberOfFrames() const;
         int getWidth() const;
         int getHeight() const;
+        float getFrameRate() const{return framerate;};
         int getNumberOfChannels() const;
         bool readNextFrame(int targetFrameIndex = 0);
         bool readNextFrameWithPacket(int targetFrameIndex, AVPacket& packet, AVFrame* pYuv);
@@ -116,6 +121,7 @@ namespace libav {
         int videoStream;
         int previousFrameIndex;
         bool isOpen;
+        
 
         bool open(std::string& fileName, enum PixelFormat formatParam = PIX_FMT_RGB24);
         bool open(char* fileName, enum PixelFormat formatParam = PIX_FMT_RGB24);
@@ -138,6 +144,9 @@ namespace libav {
         size_t numBytes;
         int numFrames;
         int sc; // number of color channels
+        float framerate; 
+        //NB representing framerate as a float implies that 
+        //ABOVE ~93 HOURS AT 25FPS the calculations will be inaccurate
 
     };
 
-- 
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