[FFmpeg-cvslog] avfilter/af_compensationdelay: always initialize w_ptr with 0

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Thu Aug 27 18:06:15 2020 +0200| [0d46043619a137ec949f117206b8ee5b776ad7eb] | committer: Paul B Mahol

avfilter/af_compensationdelay: always initialize w_ptr with 0

It will be changed later anyway, and in case inlink have 0 channels
(should never happen) it will not pick some random value.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0d46043619a137ec949f117206b8ee5b776ad7eb
---

 libavfilter/af_compensationdelay.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/af_compensationdelay.c b/libavfilter/af_compensationdelay.c
index 793332584b..525b3d6f3f 100644
--- a/libavfilter/af_compensationdelay.c
+++ b/libavfilter/af_compensationdelay.c
@@ -127,7 +127,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
     const unsigned delay = s->delay;
     const double dry = s->dry;
     const double wet = s->wet;
-    unsigned r_ptr, w_ptr;
+    unsigned r_ptr, w_ptr = 0;
     AVFrame *out;
     int n, ch;