[FFmpeg-devel] [PATCH] avfilter/af_anequalizer: Avoid loss of precision when calculating nyquist frequency

Michael Niedermayer michael at niedermayer.cc
Fri Feb 12 00:55:49 CET 2016


Fixes: CID1351398
Fixes: CID1351400

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavfilter/af_anequalizer.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavfilter/af_anequalizer.c b/libavfilter/af_anequalizer.c
index b646814..a344c77 100644
--- a/libavfilter/af_anequalizer.c
+++ b/libavfilter/af_anequalizer.c
@@ -610,7 +610,7 @@ static int config_input(AVFilterLink *inlink)
         }
 
         if (s->filters[s->nb_filters].freq < 0 ||
-            s->filters[s->nb_filters].freq > inlink->sample_rate / 2)
+            s->filters[s->nb_filters].freq > inlink->sample_rate / 2.0)
             s->filters[s->nb_filters].ignore = 1;
 
         if (s->filters[s->nb_filters].channel < 0 ||
@@ -645,7 +645,7 @@ static int process_command(AVFilterContext *ctx, const char *cmd, const char *ar
         if (filter < 0 || filter >= s->nb_filters)
             return AVERROR(EINVAL);
 
-        if (freq < 0 || freq > inlink->sample_rate / 2)
+        if (freq < 0 || freq > inlink->sample_rate / 2.0)
             return AVERROR(EINVAL);
 
         s->filters[filter].freq  = freq;
-- 
1.7.9.5



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