It does not interact in any way with the code setting up the image
pointers/strides, so it should not be intermixed with it.
---
libswscale/swscale.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index b9b2826911..3b03fd16dd 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -911,6 +911,9 @@ int attribute_align_arg sws_scale(struct SwsContext *c,
for (i = 0; i < 4; i++)
memset(c->dither_error[i], 0, sizeof(c->dither_error[0][0]) *
(c->dstW+2));
+ if (usePal(c->srcFormat))
+ update_palette(c, (const uint32_t *)srcSlice[1]);
+
memcpy(src2, srcSlice, sizeof(src2));
memcpy(dst2, dst, sizeof(dst2));
memcpy(srcStride2, srcStride, sizeof(srcStride2));
@@ -925,9 +928,6 @@ int attribute_align_arg sws_scale(struct SwsContext *c,
c->sliceDir = (srcSliceY == 0) ? 1 : -1;
}
- if (usePal(c->srcFormat))
- update_palette(c, (const uint32_t *)srcSlice[1]);
-
if (c->src0Alpha && !c->dst0Alpha && isALPHA(c->dstFormat)) {
uint8_t *base;
int x,y;
--
2.30.2
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