On 01/08/14 20:19, Vittorio Giovara wrote:
> The decoder was producing different results when ASM was disabled.
> Based on a long debug session with Kostya.
> ---
> libavcodec/pngdec.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
> index 826edab..fa7f7cc 100644
> --- a/libavcodec/pngdec.c
> +++ b/libavcodec/pngdec.c
> @@ -240,7 +240,7 @@ static void png_filter_row(PNGDSPContext *dsp, uint8_t
> *dst, int filter_type,
> p = last[i];
> dst[i] = p + src[i];
> }
> - if (bpp > 1 && size > 4) {
> + if (bpp > 2 && size > 4) {
> /* would write off the end of the array if we let it process
> * the last pixel with bpp=3 */
> int w = bpp == 4 ? size : size - 3;
>
Ok.
_______________________________________________
libav-devel mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-devel
