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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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42
media/libtheora/lib/x86/mmxidct.c
View file

@ -11,7 +11,7 @@
********************************************************************
function:
last mod: $Id: mmxidct.c 17446 2010-09-23 20:06:20Z tterribe $
last mod: $Id$
********************************************************************/
@ -284,6 +284,7 @@
"#end OC_COLUMN_IDCT\n\t" \
static void oc_idct8x8_slow_mmx(ogg_int16_t _y[64],ogg_int16_t _x[64]){
int i;
/*This routine accepts an 8x8 matrix, but in partially transposed form.
Every 4x4 block is transposed.*/
__asm__ __volatile__(
@ -313,18 +314,15 @@ static void oc_idct8x8_slow_mmx(ogg_int16_t _y[64],ogg_int16_t _x[64]){
:[x]"m"OC_CONST_ARRAY_OPERAND(ogg_int16_t,_x,64),
[c]"m"OC_CONST_ARRAY_OPERAND(ogg_int16_t,OC_IDCT_CONSTS,128)
);
if(_x!=_y){
int i;
__asm__ __volatile__("pxor %%mm0,%%mm0\n\t"::);
for(i=0;i<4;i++){
__asm__ __volatile__(
"movq %%mm0,"OC_MEM_OFFS(0x00,x)"\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x08,x)"\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x10,x)"\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x18,x)"\n\t"
:[x]"=m"OC_ARRAY_OPERAND(ogg_int16_t,_x+16*i,16)
);
}
__asm__ __volatile__("pxor %%mm0,%%mm0\n\t"::);
for(i=0;i<4;i++){
__asm__ __volatile__(
"movq %%mm0,"OC_MEM_OFFS(0x00,x)"\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x08,x)"\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x10,x)"\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x18,x)"\n\t"
:[x]"=m"OC_ARRAY_OPERAND(ogg_int16_t,_x+16*i,16)
);
}
}
@ -514,16 +512,14 @@ static void oc_idct8x8_10_mmx(ogg_int16_t _y[64],ogg_int16_t _x[64]){
:[x]"m"OC_CONST_ARRAY_OPERAND(ogg_int16_t,_x,64),
[c]"m"OC_CONST_ARRAY_OPERAND(ogg_int16_t,OC_IDCT_CONSTS,128)
);
if(_x!=_y){
__asm__ __volatile__(
"pxor %%mm0,%%mm0\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x00,x)"\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x10,x)"\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x20,x)"\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x30,x)"\n\t"
:[x]"+m"OC_ARRAY_OPERAND(ogg_int16_t,_x,28)
);
}
__asm__ __volatile__(
"pxor %%mm0,%%mm0\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x00,x)"\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x10,x)"\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x20,x)"\n\t"
"movq %%mm0,"OC_MEM_OFFS(0x30,x)"\n\t"
:[x]"+m"OC_ARRAY_OPERAND(ogg_int16_t,_x,28)
);
}
/*Performs an inverse 8x8 Type-II DCT transform.