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avcodec/rv10enc: Check dimensions once during init

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-06-28 05:03:59 +02:00
parent 27d95c3cf8
commit 8a431cd8ba
1 changed files with 5 additions and 5 deletions
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10
libavcodec/rv10enc.c
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@@ -52,11 +52,6 @@ int ff_rv10_encode_picture_header(MPVMainEncContext *const m)
/* if multiple packets per frame are sent, the position at which
to display the macroblocks is coded here */
if(!full_frame){
if (s->c.mb_width * s->c.mb_height >= (1U << 12)) {
avpriv_report_missing_feature(s->c.avctx, "Encoding frames with %d (>= 4096) macroblocks",
s->c.mb_width * s->c.mb_height);
return AVERROR(ENOSYS);
}
put_bits(&s->pb, 6, 0); /* mb_x */
put_bits(&s->pb, 6, 0); /* mb_y */
put_bits(&s->pb, 12, s->c.mb_width * s->c.mb_height);
@@ -72,6 +67,11 @@ static av_cold int rv10_encode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR, "width and height must be a multiple of 16\n");
return AVERROR(EINVAL);
}
if (avctx->width * avctx->height >= 1U << 20) {
avpriv_report_missing_feature(avctx, "Encoding frames with %d (>= 4096) macroblocks",
avctx->width * avctx->height >> 8);
return AVERROR(ENOSYS);
}
return ff_mpv_encode_init(avctx);
}