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* Fonctions addblock et copyblock en inline MMX (pour ceux qui en ont... 

du MMX).
* Pour tout defaut suppos� d'affichage � la suite du changement,
  mailez-moi.
This commit is contained in:
Gaël Hendryckx 2000-02-01 03:00:16 +00:00
parent 807e7ab017
commit 1c5e6d000a
1 changed files with 141 additions and 0 deletions
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141
src/video_decoder/video_decoder.c
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@ -206,6 +206,7 @@ static void EndThread( vdec_thread_t *p_vdec )
/*******************************************************************************
* AddBlock : add a block
*******************************************************************************/
#ifndef HAVE_MMX
static __inline__ void AddBlock( vdec_thread_t * p_vdec, dctelem_t * p_block,
yuv_data_t * p_data, int i_incr )
{
@ -221,10 +222,102 @@ static __inline__ void AddBlock( vdec_thread_t * p_vdec, dctelem_t * p_block,
p_data += i_incr;
}
}
#else
static __inline__ void AddBlock( vdec_thread_t * p_vdec, dctelem_t * p_block,
yuv_data_t * p_data, int i_incr )
{
asm __volatile__ (
"pxor %%mm7,%%mm7\n\t"
"movq (%0),%%mm1\n\t"
"movq %%mm1,%%mm2\n\t"
"punpckhbw %%mm7,%%mm1\n\t"
"punpcklbw %%mm7,%%mm2\n\t"
"paddw (%1),%%mm2\n\t"
"paddw 8(%1),%%mm1\n\t"
"packuswb %%mm1,%%mm2\n\t"
"movq %%mm2,(%0)\n\t"
"addl %2,%0\n\t"
"movq (%0),%%mm1\n\t"
"movq %%mm1,%%mm2\n\t"
"punpckhbw %%mm7,%%mm1\n\t"
"punpcklbw %%mm7,%%mm2\n\t"
"paddw 16(%1),%%mm2\n\t"
"paddw 24(%1),%%mm1\n\t"
"packuswb %%mm1,%%mm2\n\t"
"movq %%mm2,(%0)\n\t"
"addl %2,%0\n\t"
"movq (%0),%%mm1\n\t"
"movq %%mm1,%%mm2\n\t"
"punpckhbw %%mm7,%%mm1\n\t"
"punpcklbw %%mm7,%%mm2\n\t"
"paddw 32(%1),%%mm2\n\t"
"paddw 40(%1),%%mm1\n\t"
"packuswb %%mm1,%%mm2\n\t"
"movq %%mm2,(%0)\n\t"
"addl %2,%0\n\t"
"movq (%0),%%mm1\n\t"
"movq %%mm1,%%mm2\n\t"
"punpckhbw %%mm7,%%mm1\n\t"
"punpcklbw %%mm7,%%mm2\n\t"
"paddw 48(%1),%%mm2\n\t"
"paddw 56(%1),%%mm1\n\t"
"packuswb %%mm1,%%mm2\n\t"
"movq %%mm2,(%0)\n\t"
"addl %2,%0\n\t"
"movq (%0),%%mm1\n\t"
"movq %%mm1,%%mm2\n\t"
"punpckhbw %%mm7,%%mm1\n\t"
"punpcklbw %%mm7,%%mm2\n\t"
"paddw 64(%1),%%mm2\n\t"
"paddw 72(%1),%%mm1\n\t"
"packuswb %%mm1,%%mm2\n\t"
"movq %%mm2,(%0)\n\t"
"addl %2,%0\n\t"
"movq (%0),%%mm1\n\t"
"movq %%mm1,%%mm2\n\t"
"punpckhbw %%mm7,%%mm1\n\t"
"punpcklbw %%mm7,%%mm2\n\t"
"paddw 80(%1),%%mm2\n\t"
"paddw 88(%1),%%mm1\n\t"
"packuswb %%mm1,%%mm2\n\t"
"movq %%mm2,(%0)\n\t"
"addl %2,%0\n\t"
"movq (%0),%%mm1\n\t"
"movq %%mm1,%%mm2\n\t"
"punpckhbw %%mm7,%%mm1\n\t"
"punpcklbw %%mm7,%%mm2\n\t"
"paddw 96(%1),%%mm2\n\t"
"paddw 104(%1),%%mm1\n\t"
"packuswb %%mm1,%%mm2\n\t"
"movq %%mm2,(%0)\n\t"
"addl %2,%0\n\t"
"movq (%0),%%mm1\n\t"
"movq %%mm1,%%mm2\n\t"
"punpckhbw %%mm7,%%mm1\n\t"
"punpcklbw %%mm7,%%mm2\n\t"
"paddw 112(%1),%%mm2\n\t"
"paddw 120(%1),%%mm1\n\t"
"packuswb %%mm1,%%mm2\n\t"
"movq %%mm2,(%0)\n\t"
"emms"
:"+r" (p_data): "r" (p_block),"r" (i_incr+8));
}
#endif
/*******************************************************************************
* CopyBlock : copy a block
*******************************************************************************/
#ifndef HAVE_MMX
static __inline__ void CopyBlock( vdec_thread_t * p_vdec, dctelem_t * p_block,
yuv_data_t * p_data, int i_incr )
{
@ -239,6 +332,54 @@ static __inline__ void CopyBlock( vdec_thread_t * p_vdec, dctelem_t * p_block,
p_data += i_incr;
}
}
#else
static __inline__ void CopyBlock( vdec_thread_t * p_vdec, dctelem_t * p_block,
yuv_data_t * p_data, int i_incr )
{
asm __volatile__ (
"movq (%1),%%mm0\n\t"
"packuswb 8(%1),%%mm0\n\t"
"movq %%mm0,(%0)\n\t"
"addl %2,%0\n\t"
"movq 16(%1),%%mm0\n\t"
"packuswb 24(%1),%%mm0\n\t"
"movq %%mm0,(%0)\n\t"
"addl %2,%0\n\t"
"movq 32(%1),%%mm0\n\t"
"packuswb 40(%1),%%mm0\n\t"
"movq %%mm0,(%0)\n\t"
"addl %2,%0\n\t"
"movq 48(%1),%%mm0\n\t"
"packuswb 56(%1),%%mm0\n\t"
"movq %%mm0,(%0)\n\t"
"addl %2,%0\n\t"
"movq 64(%1),%%mm0\n\t"
"packuswb 72(%1),%%mm0\n\t"
"movq %%mm0,(%0)\n\t"
"addl %2,%0\n\t"
"movq 80(%1),%%mm0\n\t"
"packuswb 88(%1),%%mm0\n\t"
"movq %%mm0,(%0)\n\t"
"addl %2,%0\n\t"
"movq 96(%1),%%mm0\n\t"
"packuswb 104(%1),%%mm0\n\t"
"movq %%mm0,(%0)\n\t"
"addl %2,%0\n\t"
"movq 112(%1),%%mm0\n\t"
"packuswb 120(%1),%%mm0\n\t"
"movq %%mm0,(%0)\n\t"
"emms"
:"+r" (p_data): "r" (p_block),"r" (i_incr+8));
}
#endif
/*******************************************************************************
* vdec_DecodeMacroblock : decode a macroblock of a picture