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h263enc: check w/h for validity

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Fixes Ticket1063

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-12 18:47:42 +02:00
parent 9188294d30
commit 70f133fb54
1 changed files with 8 additions and 0 deletions
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8
libavcodec/mpegvideo_enc.c
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@ -480,6 +480,14 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 255);
}
if ((s->codec_id == CODEC_ID_H263 ||
s->codec_id == CODEC_ID_H263P) &&
(avctx->width > 2048 ||
avctx->height > 1152 )) {
av_log(avctx, AV_LOG_ERROR, "H.263 does not support resolutions above 2048x1152\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) {
av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");