[FFmpeg-cvslog] avfilter/af_vibrato: make sure table size is at least 1

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Fri Dec 25 14:07:25 2020 +0100| [4848eb48ac588620ae8e32467129e396bf71a718] | committer: Paul B Mahol

avfilter/af_vibrato: make sure table size is at least 1

Fixes overreads.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4848eb48ac588620ae8e32467129e396bf71a718
---

 libavfilter/af_vibrato.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavfilter/af_vibrato.c b/libavfilter/af_vibrato.c
index 22bbab6239..5db1f0f6c9 100644
--- a/libavfilter/af_vibrato.c
+++ b/libavfilter/af_vibrato.c
@@ -162,7 +162,7 @@ static int config_input(AVFilterLink *inlink)
     s->buf = av_calloc(inlink->channels, sizeof(*s->buf));
     if (!s->buf)
         return AVERROR(ENOMEM);
-    s->buf_size = inlink->sample_rate * 0.005;
+    s->buf_size = lrint(inlink->sample_rate * 0.005 + 0.5);
     for (c = 0; c < s->channels; c++) {
         s->buf[c] = av_malloc_array(s->buf_size, sizeof(*s->buf[c]));
         if (!s->buf[c])
@@ -170,7 +170,7 @@ static int config_input(AVFilterLink *inlink)
     }
     s->buf_index = 0;
 
-    s->wave_table_size = inlink->sample_rate / s->freq;
+    s->wave_table_size = lrint(inlink->sample_rate / s->freq + 0.5);
     s->wave_table = av_malloc_array(s->wave_table_size, sizeof(*s->wave_table));
     if (!s->wave_table)
         return AVERROR(ENOMEM);