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mpeg1enc: check input dimensions 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-13 11:11:56 +02:00
parent f153dfc9e4
commit d5df0df848
1 changed files with 7 additions and 0 deletions
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7
libavcodec/mpegvideo_enc.c
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@ -495,6 +495,13 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
return -1;
}
if (s->codec_id == CODEC_ID_MPEG1VIDEO &&
(avctx->width > 4095 ||
avctx->height > 4095 )) {
av_log(avctx, AV_LOG_ERROR, "MPEG-1 does not support resolutions above 4095x4095\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");