[FFmpeg-cvslog] avutil/mathematics: Document av_rescale_rnd() behavior on non int64 results
Michael Niedermayer
git at videolan.org
Thu Oct 21 16:23:54 EEST 2021
ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Wed Oct 20 19:51:08 2021 +0200| [e154353fdb73dc1b3c1519350244d5346f761850] | committer: Michael Niedermayer
avutil/mathematics: Document av_rescale_rnd() behavior on non int64 results
Reviewed-by: Derek Buitenhuis <derek.buitenhuis at gmail.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e154353fdb73dc1b3c1519350244d5346f761850
---
libavutil/mathematics.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavutil/mathematics.h b/libavutil/mathematics.h
index 54901800ba..64d4137a60 100644
--- a/libavutil/mathematics.h
+++ b/libavutil/mathematics.h
@@ -134,6 +134,7 @@ int64_t av_rescale(int64_t a, int64_t b, int64_t c) av_const;
*
* The operation is mathematically equivalent to `a * b / c`, but writing that
* directly can overflow, and does not support different rounding methods.
+ * If the result is not representable then INT64_MIN is returned.
*
* @see av_rescale(), av_rescale_q(), av_rescale_q_rnd()
*/
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