From ac126a98e56c1d1354bcbd3644af46a842ac51c3 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 31 Mar 2013 20:37:11 +0200 Subject: [PATCH] dvdec: fix lowres=3 with yuv 4:1:1 Fixes Ticket2390 Signed-off-by: Michael Niedermayer --- libavcodec/dvdec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/dvdec.c b/libavcodec/dvdec.c index 5cc205ce03..48cbbfc70e 100644 --- a/libavcodec/dvdec.c +++ b/libavcodec/dvdec.c @@ -287,9 +287,9 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg) int x, y; mb->idct_put(pixels, 8, block); for (y = 0; y < (1 << log2_blocksize); y++, c_ptr += s->picture.linesize[j], pixels += 8) { - ptr1 = pixels + (1 << (log2_blocksize - 1)); + ptr1 = pixels + ((1 << (log2_blocksize))>>1); c_ptr1 = c_ptr + (s->picture.linesize[j] << log2_blocksize); - for (x = 0; x < (1 << (log2_blocksize - 1)); x++) { + for (x = 0; x < (1 << FFMAX(log2_blocksize - 1, 0)); x++) { c_ptr[x] = pixels[x]; c_ptr1[x] = ptr1[x]; }