From f153dfc9e44f6f1d26ebeb032b66f09279efabad Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sun, 13 May 2012 09:59:12 +0200
Subject: [PATCH] h263enc: test that dimensions are a multiple of 4
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavcodec/mpegvideo_enc.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index a10421cecca..cba7d9d9a21 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -487,6 +487,13 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR, "H.263 does not support resolutions above 2048x1152\n");
return -1;
}
+ if ((s->codec_id == CODEC_ID_H263 ||
+ s->codec_id == CODEC_ID_H263P) &&
+ ((avctx->width &3) ||
+ (avctx->height&3) )) {
+ av_log(avctx, AV_LOG_ERROR, "w/h must be a multiple of 4\n");
+ return -1;
+ }
if ((s->flags & (CODEC_FLAG_INTERLACED_DCT | CODEC_FLAG_INTERLACED_ME)) &&
s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO) {
--
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