[FFmpeg-devel] [PATCH 09/13] lavc/jpeg2000: Speed up ff_jpeg2000_tag_tree_init() using stereotypes for sizes <= 4x4

Tomas Härdin tjoppen at acc.umu.se
Tue Jun 21 10:57:38 EEST 2022


lör 2022-06-18 klockan 17:00 +0200 skrev Anton Khirnov:
> Quoting Tomas Härdin (2022-06-14 16:43:38)
> > 
> > +    if (w <= 4 && h <= 4) {
> > +        int idx = w-1 + (h-1)*4;
> > +        size_t sz = tt_sizes[idx];
> > +        av_fast_malloc(old, size, sz);
> 
> Unchecked mallocs are of the beast.

Right, it should return AVERROR(ENOMEM) if !*old. Will be fixed in the
updated patchset

/Tomas



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