[FFmpeg-devel] [PATCH] avoid floating point for -t endtime

Reimar Döffinger Reimar.Doeffinger
Sat Feb 6 16:16:20 CET 2010


On Sat, Feb 06, 2010 at 03:36:14PM +0100, Michael Niedermayer wrote:
> On Sat, Feb 06, 2010 at 02:38:27PM +0100, Reimar D?ffinger wrote:
> > Hello,
> > currently the roqvideo FATE test produces different results because of this.
> > While the test needs to be changed anyway, patch below makes them give identical
> > results.
> > The calculation is not 100% exact since I can't multiply recording_time with
> > anything to avoid an overflow (actually I am not sure about the av_mul_q of
> > time_base and pts either).
> 
> see compare_ts() from nut.txt
> also if we dont have such a function, it might make sense to add it to
> libavutil

We have, attached patch uses it after moving it to libavutil.
(Note I will test it as soon as compilation finishes, in about 15 minutes).
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