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mpeg2enc: check input dimensions

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-13 11:12:20 +02:00
parent d5df0df848
commit 6b0a0dc555
1 changed files with 6 additions and 0 deletions
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6
libavcodec/mpegvideo_enc.c
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@ -502,6 +502,12 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
return -1;
}
if (s->codec_id == CODEC_ID_MPEG2VIDEO &&
(avctx->width > 16383 ||
avctx->height > 16383 )) {
av_log(avctx, AV_LOG_ERROR, "MPEG-2 does not support resolutions above 16383x16383\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");