Also, return an error code on failure rather than 0.
---
libswscale/swscale.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 74da1bf42c..73bc0c5617 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -912,11 +912,12 @@ int attribute_align_arg sws_scale(struct SwsContext *c,
if (srcSliceH == 0)
return 0;
- if (frame_start && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) {
- av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n");
- return 0;
- }
if (frame_start) {
+ if (srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) {
+ av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n");
+ return AVERROR(EINVAL);
+ }
+
if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1;
}
--
2.30.2
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