experiment: avcodec_sample updated for modern ffmpeg
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README.md
avcodec_sample.0.6.0.c

README.md

This sample is based on avcodec_sample 0.5.0, found here:

http://web.me.com/dhoerl/Home/Tech_Blog/Entries/2009/1/22_Revised_avcodec_sample.c.html

That version does not work with the latest ffmpeg. The version here works with ffmpeg 0.10.3 on OS X, installed via homebrew. I had to build with a few extra frameworks to avoid undefined symbol linker errors:

gcc -o avcodec_sample avcodec_sample.0.6.0.c -I /usr/local/include -L/usr/local/lib -lavformat -lavcodec -lavutil -lswscale -lz -lbz2 -framework Cocoa -framework VideoDecodeAcceleration -framework QuartzCore

Run it using

avcodec_sample myvideofile.mpg

to write the first five frames from "myvideofile.mpg" to disk in PPM format.