[FFmpeg-cvslog] avfilter/avf_showvolume: Fix "warning: comparison of unsigned expression < 0 is always false"

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sun Nov 29 15:37:05 2015 +0100| [98626a1a4c3e7adca768a1e461399358589ea4b5] | committer: Michael Niedermayer

avfilter/avf_showvolume: Fix "warning: comparison of unsigned expression < 0 is always false"

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=98626a1a4c3e7adca768a1e461399358589ea4b5
---

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

diff --git a/libavfilter/avf_showvolume.c b/libavfilter/avf_showvolume.c
index 586f698..f7ccdf7 100644
--- a/libavfilter/avf_showvolume.c
+++ b/libavfilter/avf_showvolume.c
@@ -231,7 +231,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
             char buf[16];
 
             snprintf(buf, sizeof(buf), "%.2f", s->values[c * VAR_VARS_NB + VAR_VOLUME]);
-            drawtext(out, FFMAX(0, s->w - 8 * strlen(buf)), c * (s->h + s->b) + (s->h - 8) / 2, buf);
+            drawtext(out, FFMAX(0, s->w - 8 * (int)strlen(buf)), c * (s->h + s->b) + (s->h - 8) / 2, buf);
         }
     }