[FFmpeg-devel] [PATCH] avcodec/libx265: Don't copy A53 closed captions by default

[Tomas Härdin]

tis 2024-06-11 klockan 09:42 +0200 skrev Andreas Rheinhardt:
> The SEI handling of libx265 is buggy and can easily lead
> to memory corruption: It reuses certain buffers, but when
> reusing them it presumes that it is enough for these buffers
> to exist and does not check whether they are actually large
> enough to hold what is intended to be stored in them.*
> 
> Our users are exposed to this because forwarding A53 CC data
> is enabled by default. Change this to make it disabled
> by default.
> 
> "Fixes" tickets #9666, #10411, #11052 and (presumably) #10906.

Shouldn't users use non-buggy versions of libx26? I've had people ask
about CC, and I'm sure many users would be annoyed at them suddenly
breaking. I suggest complaining loudly at compile time and/or when
loading libx265 instead

/Tomas