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Issue #1962 - Update libtheora.

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Removed some obsolete patches that were either backports from newer
 svn revisions, or a fix for older, non-applicable assemblers.
Update our own README to account for upstream's migration to git.
I didn't remove the bug 703135 patch as it's for MSVC it seems, and
 we still use MSVC for Windows.
Also deleted some unneeded upstream code deleted by Mozilla as well.
This commit is contained in:
Job Bautista 2022-07-19 17:26:42 +08:00 • committed by roytam1
commit be2516a091
61 changed files with 1212 additions and 2349 deletions
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13
media/libtheora/lib/idct.c
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@ -11,7 +11,7 @@
********************************************************************
function:
last mod: $Id: idct.c 17410 2010-09-21 21:53:48Z tterribe $
last mod: $Id$
********************************************************************/
@ -241,8 +241,8 @@ static void oc_idct8x8_3(ogg_int16_t _y[64],ogg_int16_t _x[64]){
for(i=0;i<8;i++)idct8_2(_y+i,w+i*8);
/*Adjust for the scale factor.*/
for(i=0;i<64;i++)_y[i]=(ogg_int16_t)(_y[i]+8>>4);
/*Clear input data for next block (decoder only).*/
if(_x!=_y)_x[0]=_x[1]=_x[8]=0;
/*Clear input data for next block.*/
_x[0]=_x[1]=_x[8]=0;
}
/*Performs an inverse 8x8 Type-II DCT transform.
@ -272,8 +272,8 @@ static void oc_idct8x8_10(ogg_int16_t _y[64],ogg_int16_t _x[64]){
for(i=0;i<8;i++)idct8_4(_y+i,w+i*8);
/*Adjust for the scale factor.*/
for(i=0;i<64;i++)_y[i]=(ogg_int16_t)(_y[i]+8>>4);
/*Clear input data for next block (decoder only).*/
if(_x!=_y)_x[0]=_x[1]=_x[2]=_x[3]=_x[8]=_x[9]=_x[10]=_x[16]=_x[17]=_x[24]=0;
/*Clear input data for next block.*/
_x[0]=_x[1]=_x[2]=_x[3]=_x[8]=_x[9]=_x[10]=_x[16]=_x[17]=_x[24]=0;
}
/*Performs an inverse 8x8 Type-II DCT transform.
@ -291,7 +291,8 @@ static void oc_idct8x8_slow(ogg_int16_t _y[64],ogg_int16_t _x[64]){
for(i=0;i<8;i++)idct8(_y+i,w+i*8);
/*Adjust for the scale factor.*/
for(i=0;i<64;i++)_y[i]=(ogg_int16_t)(_y[i]+8>>4);
if(_x!=_y)for(i=0;i<64;i++)_x[i]=0;
/*Clear input data for next block.*/
for(i=0;i<64;i++)_x[i]=0;
}
/*Performs an inverse 8x8 Type-II DCT transform.