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Diffstat (limited to 'libavfilter/vf_subtitles.c')
-rw-r--r--libavfilter/vf_subtitles.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/vf_subtitles.c b/libavfilter/vf_subtitles.c
index f7fc1a6707..90416b5076 100644
--- a/libavfilter/vf_subtitles.c
+++ b/libavfilter/vf_subtitles.c
@@ -153,7 +153,7 @@ static int config_input(AVFilterLink *inlink)
#define AR(c) ( (c)>>24)
#define AG(c) (((c)>>16)&0xFF)
#define AB(c) (((c)>>8) &0xFF)
-#define AA(c) ((0xFF-c) &0xFF)
+#define AA(c) ((0xFF-(c)) &0xFF)
static void overlay_ass_image(AssContext *ass, AVFrame *picref,
const ASS_Image *image)