[FFmpeg-devel] [PATCH] avcodec/on2avc: Fix stability issues with scale_tab generation

2015-12-27 Thread Michael Niedermayer
From: Michael Niedermayer This also simplifies the code the resulting values are binary identical to what pow(10, i/10.0) produces --- libavcodec/on2avc.c | 37 - 1 file changed, 4 insertions(+), 33 deletions(-) diff --git

Re: [FFmpeg-devel] [PATCH] avcodec/on2avc: Fix stability issues with scale_tab generation

2015-12-27 Thread Michael Niedermayer
On Sun, Dec 27, 2015 at 07:40:53AM -0500, Ronald S. Bultje wrote: > Hi, > > On Sun, Dec 27, 2015 at 6:02 AM, Michael Niedermayer > wrote: > > > +for (i = 0; i < 20; i++) > > +c->scale_tab[i] = ceil(ff_exp10(i * 0.1) * 16 - 0.01) / 32; > > for (; i < 128; i++)

Re: [FFmpeg-devel] [PATCH] avcodec/on2avc: Fix stability issues with scale_tab generation

2015-12-27 Thread Ganesh Ajjanagadde
On Sun, Dec 27, 2015 at 7:44 AM, Michael Niedermayer wrote: > On Sun, Dec 27, 2015 at 07:40:53AM -0500, Ronald S. Bultje wrote: >> Hi, >> >> On Sun, Dec 27, 2015 at 6:02 AM, Michael Niedermayer >> wrote: >> >> > +for (i = 0; i < 20; i++) >> > +