Signed-off-by: James Almer <[email protected]>
---
libavcodec/pngdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index 3059087..61857d0 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -787,7 +787,7 @@ static int decode_trns_chunk(AVCodecContext *avctx,
PNGDecContext *s,
for (i = 0; i < length / 2; i++) {
/* only use the least significant bits */
- v = bytestream2_get_be16(&s->gb) & ((1 << s->bit_depth) - 1);
+ v = av_mod_uintp2(bytestream2_get_be16(&s->gb), s->bit_depth);
if (s->bit_depth > 8)
AV_WB16(&s->transparent_color_be[2 * i], v);
--
2.7.0
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