[FFmpeg-devel] [PATCH] fix crash in ffmpeg if resampling and no audio packets are ever processed

[Andreas Öman]

Hi

If an ffmpeg transcoding requests that resampling should be set up but
no audio packet is ever processed, ost->resample will be NULL but
ost->audio_resample will be 1. This will cause audio_resample_free()
to be called with NULL, resulting in a crash.

This was a regression introduced by me in r11222

Attached patch fixes the issue.
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