On 16/06/15 09:06, Kevin J. Brooks wrote:
Yes I am.  For more information, I am developing on Windoze 7.
avcodec_open2 can fail if you lack the library for the codec you want to decode or encode. For example, libx264. The libraries in ffmpeg.zeranoe.com contain all codecs, but they are GPL only. You should try them first and see if the problem goes away. If it does, you know you have to compile ffmpeg with different flags.

--
Gonzalo Garramuño

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