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authorMichael Niedermayer <michaelni@gmx.at>2015-07-10 02:01:17 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2015-07-10 15:18:41 +0200
commit7ef6656b1e5bfbc7499013d3b38b093b6b2f31ec (patch)
tree360da3cb9f01a7f1d50f4f72af9c8c6bcee8bb30 /libavcodec/utils.c
parente71ca21f308432cac3deaabe522ac1b856471162 (diff)
avcodec/utils: use a minimum 32pixel width in avcodec_align_dimensions2() for H.264
Fixes Assertion failure Found-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/utils.c')
-rw-r--r--libavcodec/utils.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 96f177d870..925b3ed047 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -428,10 +428,12 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
*width = FFALIGN(*width, w_align);
*height = FFALIGN(*height, h_align);
- if (s->codec_id == AV_CODEC_ID_H264 || s->lowres)
+ if (s->codec_id == AV_CODEC_ID_H264 || s->lowres) {
// some of the optimized chroma MC reads one line too much
// which is also done in mpeg decoders with lowres > 0
*height += 2;
+ *width = FFMAX(*width, 32);
+ }
for (i = 0; i < 4; i++)
linesize_align[i] = STRIDE_ALIGN;