by using a multiplication instead. The multiplication can never overflow
an int because the sin-factor is only an int16_t.
Affected the FATE-tests filter-concat and filter-concat-vfr.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com>
---
libavfilter/asrc_sine.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/asrc_sine.c b/libavfilter/asrc_sine.c
index 3a87210b4b..61499ee2cd 100644
--- a/libavfilter/asrc_sine.c
+++ b/libavfilter/asrc_sine.c
@@ -247,7 +247,7 @@ static int request_frame(AVFilterLink *outlink)
samples[i] = sine->sin[sine->phi >> (32 - LOG_PERIOD)];
sine->phi += sine->dphi;
if (sine->beep_index < sine->beep_length) {
- samples[i] += sine->sin[sine->phi_beep >> (32 - LOG_PERIOD)] << 1;
+ samples[i] += sine->sin[sine->phi_beep >> (32 - LOG_PERIOD)] * 2;
sine->phi_beep += sine->dphi_beep;
}
if (++sine->beep_index == sine->beep_period)
--
2.20.1
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