buffer_length is a power-of-two and modulo is buffer_length - 1, so that
buffer_length & modulo is zero.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com>
---
libavfilter/af_headphone.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/af_headphone.c b/libavfilter/af_headphone.c
index 8db546adbf..03ef88c4a4 100644
--- a/libavfilter/af_headphone.c
+++ b/libavfilter/af_headphone.c
@@ -178,7 +178,7 @@ static int headphone_convolute(AVFilterContext *ctx, void
*arg, int jobnr, int n
continue;
}
- read = (wr - (ir_len - 1) + buffer_length) & modulo;
+ read = (wr - (ir_len - 1)) & modulo;
if (read + ir_len < buffer_length) {
memcpy(temp_src, bptr + read, ir_len * sizeof(*temp_src));
--
2.20.1
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