[FFmpeg-devel] [PATCH] lavc/sunrastenc: consider cases with linesize < 0

[Stefano Sabatini]

On date Sunday 2012-03-18 22:17:53 +0100, Michael Niedermayer encoded:
> On Sun, Mar 18, 2012 at 09:58:55PM +0100, Stefano Sabatini wrote:
[...]
> > @@ -83,32 +83,32 @@ static void sunrast_image_write_image(AVCodecContext *avctx,
> >       if (s->type == RT_BYTE_ENCODED) {
> >          uint8_t value, value2;
> >          int run;
> > -        const uint8_t *end = pixels + avctx->height * linesize;
> >  
> > +        y = 0;
> >          ptr = pixels;
> >  
> > -#define GET_VALUE ptr >= end ? 0 : x >= len ? ptr[len-1] : ptr[x]
> > +#define GET_VALUE(x) x >= FFABS(linesize) ? 0 : x >= len ? ptr[len-1] : ptr[x]
> 
> how can x become >=  FFABS(linesize) ?

Doh, forget the previous dead-brained patch.
-- 
FFmpeg = Fundamentalist and Foolish Most Pure EniGma
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