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lavc/dvdsubenc: only check canvas size when it is actually set

Fixes #10650
This commit is contained in:
Anton Khirnov 2023-11-30 11:21:24 +01:00
parent 6a22d80041
commit 5230257ea1

View File

@ -376,7 +376,8 @@ static int encode_dvd_subtitles(AVCodecContext *avctx,
x2 = vrect.x + vrect.w - 1;
y2 = vrect.y + vrect.h - 1;
if (x2 > avctx->width || y2 > avctx->height) {
if ((avctx->width > 0 && x2 > avctx->width) ||
(avctx->height > 0 && y2 > avctx->height)) {
av_log(avctx, AV_LOG_ERROR, "canvas_size(%d:%d) is too small(%d:%d) for render\n",
avctx->width, avctx->height, x2, y2);
ret = AVERROR(EINVAL);