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avcodec/mpegvideo_enc: ensure lmin is smaller than lmax 

Fixes ticket #10234

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2023-04-14 16:34:21 -03:00
parent 1440bf15e2
commit 13450b6722
2 changed files with 10 additions and 0 deletions
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5
libavcodec/ituh263enc.c
View File

@ -865,6 +865,11 @@ av_cold void ff_h263_encode_init(MpegEncContext *s)
s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
}
if (s->lmin > s->lmax) {
av_log(s->avctx, AV_LOG_WARNING, "Clipping lmin value to %d\n", s->lmax);
s->lmin = s->lmax;
}
ff_thread_once(&init_static_once, h263_encode_init_static);
}

5
libavcodec/mpegvideo_enc.c
View File

@ -798,6 +798,11 @@ av_cold int ff_mpv_encode_init(AVCodecContext *avctx)
AV_CODEC_FLAG_INTERLACED_ME) ||
s->alternate_scan);
if (s->lmin > s->lmax) {
av_log(avctx, AV_LOG_WARNING, "Clipping lmin value to %d\n", s->lmax);
s->lmin = s->lmax;
}
/* init */
ff_mpv_idct_init(s);
if ((ret = ff_mpv_common_init(s)) < 0)