[FFmpeg-devel] [PATCH] avcodec: add QOI decoder and demuxer and parser and encoder and muxer

Paul B Mahol onemda at gmail.com
Fri Jun 3 19:22:24 EEST 2022


On Fri, Jun 3, 2022 at 6:17 PM Andreas Rheinhardt <
andreas.rheinhardt at outlook.com> wrote:

> Paul B Mahol:
> >
> > +
> > +    packet_size = avctx->width * avctx->height * 16LL;
> > +    if ((ret = ff_alloc_packet(avctx, pkt, packet_size)) < 0)
> > +        return ret;
> > +
>
> Where does 16 come from? Looking at the code, the factor should be
> channels + 1 per pixel (and 14 + 8 byte for header + footer). Or am I
> missing something?
>

Worst case compression.


>
> - Andreas
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