[Libav-user] Pre-allocated output buffers avfilter

Robert Beattie robert.scott.beattie at gmail.com
Thu Dec 8 21:39:48 EET 2022

Hi, is it possible to pre-allocate output buffers for a filter graph? I am
running the filtering video application to scale some video frames and I
want the output in a particular pre allocated buffer.

The address of the buffers returned
by av_buffersink_get_frame(buffersink_ctx, filt) seems to change every

Thanks in advance
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