[FFmpeg-devel] Calling av_find_stream_info multiple times crashes

Michael Niedermayer michaelni at gmx.at
Wed Jul 20 10:33:19 CEST 2011


On Thu, Jul 07, 2011 at 09:34:31AM +0100, Gavin Kinsey wrote:
> Due to the change in commit fd0368e7ca35e2feaf7960564e61a76655c4d1f6 calling 
> av_find_stream_info multiple times on the same AVFormatContext now causes a 
> crash.
> 
> Previously the info struct was being realllocated on each call, but now it 
> is freed at the end of av_find_stream_info and never allocated again.  Not 
> sure how to solve this without causing a leak.  But a leak is better than a 
> crash IMO.

I dont think fixing a year old bug by introducing a leak is a good idea

If its a matter of missing allocation, then just add that allocation
in av_find_stream_info()

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I have often repented speaking, but never of holding my tongue.
-- Xenocrates
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