[FFmpeg-cvslog] avfilter/vf_idet: fix rounding of av_dict_set_fxp()

Michael Niedermayer git at videolan.org
Mon Nov 3 17:33:18 CET 2014


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Mon Nov  3 17:14:29 2014 +0100| [5d590d87b30c59dfb853ebde6276d36f8a8bbc58] | committer: Michael Niedermayer

avfilter/vf_idet: fix rounding of av_dict_set_fxp()

fixes the remainder overflowing beyond .999

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5d590d87b30c59dfb853ebde6276d36f8a8bbc58
---

 libavfilter/vf_idet.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libavfilter/vf_idet.c b/libavfilter/vf_idet.c
index 01d7eca..05f361a 100644
--- a/libavfilter/vf_idet.c
+++ b/libavfilter/vf_idet.c
@@ -62,8 +62,13 @@ static int av_dict_set_fxp(AVDictionary **pm, const char *key, uint64_t value, u
                 int flags)
 {
     char valuestr[44];
+    uint64_t print_precision = uintpow(10, digits);
+
+    value = av_rescale(value, print_precision, PRECISION);
+
     snprintf(valuestr, sizeof(valuestr), "%"PRId64".%0*"PRId64,
-             value / PRECISION, digits, ( value % PRECISION ) / ( PRECISION / uintpow(10,digits) ));
+             value / print_precision, digits, value % print_precision);
+
     return av_dict_set(pm, key, valuestr, flags);
 }
 



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