[FFmpeg-devel] [PATCH] avfilter/avf_showwaves: fix off by one error in loop condition

[Marton Balint]

It caused segfaults.

Signed-off-by: Marton Balint <cus at passwd.hu>
---
 libavfilter/avf_showwaves.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/avf_showwaves.c b/libavfilter/avf_showwaves.c
index 4cd225a..fa34a52 100644
--- a/libavfilter/avf_showwaves.c
+++ b/libavfilter/avf_showwaves.c
@@ -157,7 +157,7 @@ inline static int push_frame(AVFilterLink *outlink)
         showwaves->req_fullfilled = 1;
     showwaves->outpicref = NULL;
     showwaves->buf_idx = 0;
-    for (i = 0; i <= nb_channels; i++)
+    for (i = 0; i < nb_channels; i++)
         showwaves->buf_idy[i] = 0;
     return ret;
 }
-- 
2.1.2