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libtheora: Update to 1.2.0

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Rémi Verschelde 2025-06-06 01:36:51 +02:00
parent d59994688c
commit ff429e0e64
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72 changed files with 253 additions and 264 deletions
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7
thirdparty/libtheora/rate.c vendored
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@ -6,12 +6,11 @@
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* by the Xiph.Org Foundation https://www.xiph.org/ *
* *
********************************************************************
function:
last mod: $Id$
********************************************************************/
#include <stdlib.h>
@ -22,7 +21,7 @@
The values are Q12 fixed-point and spaced at 5 degree intervals.
These decisions are somewhat arbitrary, but sufficient for the 2nd order
Bessel follower below.
Values of x larger than 85 degrees are extrapolated from the last inteval,
Values of x larger than 85 degrees are extrapolated from the last interval,
which is way off, but "good enough".*/
static unsigned short OC_ROUGH_TAN_LOOKUP[18]={
0, 358, 722, 1098, 1491, 1910,
@ -49,7 +48,7 @@ static int oc_warp_alpha(int _alpha){
This does not alter the x/y state, but changes the reaction time of the
filter.
Altering the time constant of a reactive filter without alterning internal
state is something that has to be done carefuly, but our design operates at
state is something that has to be done carefully, but our design operates at
high enough delays and with small enough time constant changes to make it
safe.*/
static void oc_iir_filter_reinit(oc_iir_filter *_f,int _delay){