swscale/swscale: Check srcSliceH for bayer

Fixes: Assertion srcSliceH > 1 failed at libswscale/swscale_unscaled.c:1359 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
1 year ago · 64098d0cd8
parent 18f26f8a2f
commit 64098d0cd8
1 changed files with 2 additions and 1 deletions
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@ -904,7 +904,8 @@ static int scale_internal(SwsContext *c,

    if ((srcSliceY  & (macro_height_src - 1)) ||
        ((srcSliceH & (macro_height_src - 1)) && srcSliceY + srcSliceH != c->srcH) ||
-        srcSliceY + srcSliceH > c->srcH) {
+        srcSliceY + srcSliceH > c->srcH ||
+        (isBayer(c->srcFormat) && srcSliceH <= 1)) {
        av_log(c, AV_LOG_ERROR, "Slice parameters %d, %d are invalid\n", srcSliceY, srcSliceH);
        return AVERROR(EINVAL);
    }