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h263enc: test that dimensions are a multiple of 4 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-13 09:59:12 +02:00
parent 1caf614bec
commit f153dfc9e4
1 changed files with 7 additions and 0 deletions
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7
libavcodec/mpegvideo_enc.c
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@ -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) {