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-rw-r--r--libavcodec/pngdec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index 7bc2ad4847..0c4c91a612 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -240,7 +240,7 @@ static void png_filter_row(PNGDSPContext *dsp, uint8_t *dst, int filter_type,
p = last[i];
dst[i] = p + src[i];
}
- if (bpp > 1 && size > 4) {
+ if (bpp > 2 && size > 4) {
/* would write off the end of the array if we let it process
* the last pixel with bpp=3 */
int w = bpp == 4 ? size : size - 3;