From 6c86a63bad7700848b1e46337038cf5bd06abbe6 Mon Sep 17 00:00:00 2001 From: "Ronald S. Bultje" Date: Mon, 24 Jun 2013 19:13:58 -0400 Subject: [PATCH] yuv4mpeg: Correctly round chroma up for odd luma sizes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Martin Storsjö --- libavformat/yuv4mpeg.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libavformat/yuv4mpeg.c b/libavformat/yuv4mpeg.c index 699a63a681..c38d641e06 100644 --- a/libavformat/yuv4mpeg.c +++ b/libavformat/yuv4mpeg.c @@ -132,8 +132,9 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt) // Adjust for smaller Cb and Cr planes av_pix_fmt_get_chroma_sub_sample(st->codec->pix_fmt, &h_chroma_shift, &v_chroma_shift); - width >>= h_chroma_shift; - height >>= v_chroma_shift; + // Shift right, rounding up + width = -(-width >> h_chroma_shift); + height = -(-height >> v_chroma_shift); ptr1 = picture->data[1]; ptr2 = picture->data[2];