From d1c48025a71e9e190d79115759c10f5807f4d0a7 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 19 Jan 2012 20:50:44 +0100 Subject: pngdec: Do not use SIMD paeth prediction for bpp=2 Fixes decoding of basi4a08.png Signed-off-by: Michael Niedermayer --- libavcodec/pngdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec') diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c index ec604546b1..e91bca4f97 100644 --- a/libavcodec/pngdec.c +++ b/libavcodec/pngdec.c @@ -228,7 +228,7 @@ static void png_filter_row(PNGDecContext *s, 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; s->add_paeth_prediction(dst+i, src+i, last+i, w-i, bpp); -- cgit v1.2.3