[Libav-user] libavfilter Problems

Zac Shenker zac at zacshenker.com
Tue Nov 22 07:07:10 CET 2011


I am trying to use libavfilter in my application, and am currently having
some issues with the filter graph setup.

I have based my code on the code in configure_video_filters() in ffmpeg.c

My code is at http://pastebin.com/RFxtVCQ4

The issue that I am having is my call to avfilter_graph_parse() seems to
always return one, and my inputs & outputs points are set to NULL.

If I then call avfilter_graph_config it then tries to access an invalid
memory location and crashes.

What am I doing wrong here?

Zac Shenker
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