interpolate8x8_mmx.asm

wince下的xvidcore开发库,可用于MP4等视频播放开发

   lea ecx, [ecx+2*edx]
   AVG2_MMX_RND0
   lea ecx, [ecx+2*edx]
   AVG2_MMX_RND0
   lea ecx, [ecx+2*edx]
   AVG2_MMX_RND0
 
   pop ebx
   ret
 
 .rounding1
   mov eax, [esp + 4 + 24]       ; height -> eax
   sub eax, 8
   test eax, eax
 
   mov ecx, [esp + 4 + 4]        ; dst -> edi
   mov eax, [esp + 4 + 8]        ; src1 -> esi
   mov ebx, [esp + 4 + 12]       ; src2 -> eax
   mov edx, [esp + 4 + 16]       ; stride -> edx
 
   movq mm7, [mmx_one]
 
   jz near .start1
 
   AVG2_MMX_RND1
   lea ecx, [ecx+2*edx]
 
 .start1
 
   AVG2_MMX_RND1
   lea ecx, [ecx+2*edx]
   AVG2_MMX_RND1
   lea ecx, [ecx+2*edx]
   AVG2_MMX_RND1
   lea ecx, [ecx+2*edx]
   AVG2_MMX_RND1
 
   pop ebx
   ret
 
 
 ;-----------------------------------------------------------------------------
 ;
 ; void interpolate8x8_avg4_mmx(uint8_t const *dst,
 ;                              const uint8_t * const src1,
 ;                              const uint8_t * const src2,
 ;                              const uint8_t * const src3,
 ;                              const uint8_t * const src4,
 ;                              const uint32_t stride,
 ;                              const uint32_t rounding);
 ;
 ;-----------------------------------------------------------------------------
 
 %macro AVG4_MMX_RND0 0
   movq mm0, [eax]           ; src1 -> mm0
   movq mm1, [ebx]           ; src2 -> mm1
 
   movq mm2, mm0
   movq mm3, mm1
 
   pand mm2, [mmx_three]
   pand mm3, [mmx_three]
 
   pand mm0, [mmx_mask2]
   pand mm1, [mmx_mask2]
 
   psrlq mm0, 2
   psrlq mm1, 2
 
   lea eax, [eax+edx]
   lea ebx, [ebx+edx]
 
   paddb mm0, mm1
   paddb mm2, mm3
 
   movq mm4, [esi]           ; src3 -> mm0
   movq mm5, [edi]           ; src4 -> mm1
 
   movq mm1, mm4
   movq mm3, mm5
 
   pand mm1, [mmx_three]
   pand mm3, [mmx_three]
 
   pand mm4, [mmx_mask2]
   pand mm5, [mmx_mask2]
 
   psrlq mm4, 2
   psrlq mm5, 2
 
   paddb mm4, mm5
   paddb mm0, mm4
 
   paddb mm1, mm3
   paddb mm2, mm1
 
   paddb mm2, [mmx_two]
   pand mm2, [mmx_mask2]
 
   psrlq mm2, 2
   paddb mm0, mm2
 
   lea esi, [esi+edx]
   lea edi, [edi+edx]
 
   movq [ecx], mm0           ; (src1 + src2 + src3 + src4 + 2) / 4 -> dst
 %endmacro
 
 %macro AVG4_MMX_RND1 0
   movq mm0, [eax]           ; src1 -> mm0
   movq mm1, [ebx]           ; src2 -> mm1
 
   movq mm2, mm0
   movq mm3, mm1
 
   pand mm2, [mmx_three]
   pand mm3, [mmx_three]
 
   pand mm0, [mmx_mask2]
   pand mm1, [mmx_mask2]
 
   psrlq mm0, 2
   psrlq mm1, 2
 
   lea eax,[eax+edx]
   lea ebx,[ebx+edx]
 
   paddb mm0, mm1
   paddb mm2, mm3
 
   movq mm4, [esi]           ; src3 -> mm0
   movq mm5, [edi]           ; src4 -> mm1
 
   movq mm1, mm4
   movq mm3, mm5
 
   pand mm1, [mmx_three]
   pand mm3, [mmx_three]
 
   pand mm4, [mmx_mask2]
   pand mm5, [mmx_mask2]
 
   psrlq mm4, 2
   psrlq mm5, 2
 
   paddb mm4, mm5
   paddb mm0, mm4
 
   paddb mm1, mm3
   paddb mm2, mm1
 
   paddb mm2, [mmx_one]
   pand mm2, [mmx_mask2]
 
   psrlq mm2, 2
   paddb mm0, mm2
 
   lea esi,[esi+edx]
   lea edi,[edi+edx]
 
   movq [ecx], mm0           ; (src1 + src2 + src3 + src4 + 2) / 4 -> dst
 %endmacro
 
 ALIGN 16
 interpolate8x8_avg4_mmx:
 
   push ebx
   push edi
   push esi
 
   mov eax, [esp + 12 + 28]      ; rounding
 
   test eax, eax
 
   mov ecx, [esp + 12 + 4]       ; dst -> edi
   mov eax, [esp + 12 + 8]       ; src1 -> esi
   mov ebx, [esp + 12 + 12]      ; src2 -> eax
   mov esi, [esp + 12 + 16]      ; src3 -> esi
   mov edi, [esp + 12 + 20]      ; src4 -> edi
   mov edx, [esp + 12 + 24]      ; stride -> edx
 
   movq mm7, [mmx_one]
 
   jnz near .rounding1
 
   AVG4_MMX_RND0
   lea ecx, [ecx+edx]
   AVG4_MMX_RND0
   lea ecx, [ecx+edx]
   AVG4_MMX_RND0
   lea ecx, [ecx+edx]
   AVG4_MMX_RND0
   lea ecx, [ecx+edx]
   AVG4_MMX_RND0
   lea ecx, [ecx+edx]
   AVG4_MMX_RND0
   lea ecx, [ecx+edx]
   AVG4_MMX_RND0
   lea ecx, [ecx+edx]
   AVG4_MMX_RND0
 
   pop esi
   pop edi
   pop ebx
   ret
 
 .rounding1
   AVG4_MMX_RND1
   lea ecx, [ecx+edx]
   AVG4_MMX_RND1
   lea ecx, [ecx+edx]
   AVG4_MMX_RND1
   lea ecx, [ecx+edx]
   AVG4_MMX_RND1
   lea ecx, [ecx+edx]
   AVG4_MMX_RND1
   lea ecx, [ecx+edx]
   AVG4_MMX_RND1
   lea ecx, [ecx+edx]
   AVG4_MMX_RND1
   lea ecx, [ecx+edx]
   AVG4_MMX_RND1
 
   pop esi
   pop edi
   pop ebx
   ret
 
 
 ;-----------------------------------------------------------------------------
 ;
 ; void interpolate8x8_6tap_lowpass_h_mmx(uint8_t const *dst,
 ;                                        const uint8_t * const src,
 ;                                        const uint32_t stride,
 ;                                        const uint32_t rounding);
 ;
 ;-----------------------------------------------------------------------------
 
 %macro LOWPASS_6TAP_H_MMX 0
   movq mm0, [eax]
   movq mm2, [eax+1]
 
   movq mm1, mm0
   movq mm3, mm2
 
   punpcklbw mm0, mm7
   punpcklbw mm2, mm7
 
   punpckhbw mm1, mm7
   punpckhbw mm3, mm7
 
   paddw mm0, mm2
   paddw mm1, mm3
 
   psllw mm0, 2
   psllw mm1, 2
 
   movq mm2, [eax-1]
   movq mm4, [eax+2]
 
   movq mm3, mm2
   movq mm5, mm4
 
   punpcklbw mm2, mm7
   punpcklbw mm4, mm7
 
   punpckhbw mm3, mm7
   punpckhbw mm5, mm7
 
   paddw mm2, mm4
   paddw mm3, mm5
 
   psubsw mm0, mm2
   psubsw mm1, mm3
 
   pmullw mm0, [mmx_five]
   pmullw mm1, [mmx_five]
 
   movq mm2, [eax-2]
   movq mm4, [eax+3]
 
   movq mm3, mm2
   movq mm5, mm4
 
   punpcklbw mm2, mm7
   punpcklbw mm4, mm7
 
   punpckhbw mm3, mm7
   punpckhbw mm5, mm7
 
   paddw mm2, mm4
   paddw mm3, mm5
 
   paddsw mm0, mm2
   paddsw mm1, mm3
 
   paddsw mm0, mm6
   paddsw mm1, mm6
 
   psraw mm0, 5
   psraw mm1, 5
 
   lea eax, [eax+edx]
   packuswb mm0, mm1
   movq [ecx], mm0
 %endmacro
 
 ALIGN 16
 interpolate8x8_6tap_lowpass_h_mmx:
 
   mov eax, [esp + 16]           ; rounding
 
   movq mm6, [rounding_lowpass_mmx + eax * 8]
 
   mov ecx, [esp + 4]            ; dst -> edi
   mov eax, [esp + 8]            ; src -> esi
   mov edx, [esp + 12]           ; stride -> edx
 
   pxor mm7, mm7
 
   LOWPASS_6TAP_H_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_H_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_H_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_H_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_H_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_H_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_H_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_H_MMX
 
   ret
 
 ;-----------------------------------------------------------------------------
 ;
 ; void interpolate8x8_6tap_lowpass_v_mmx(uint8_t const *dst,
 ;                                        const uint8_t * const src,
 ;                                        const uint32_t stride,
 ;                                        const uint32_t rounding);
 ;
 ;-----------------------------------------------------------------------------
 
 %macro LOWPASS_6TAP_V_MMX 0
   movq mm0, [eax]
   movq mm2, [eax+edx]
 
   movq mm1, mm0
   movq mm3, mm2
 
   punpcklbw mm0, mm7
   punpcklbw mm2, mm7
 
   punpckhbw mm1, mm7
   punpckhbw mm3, mm7
 
   paddw mm0, mm2
   paddw mm1, mm3
 
   psllw mm0, 2
   psllw mm1, 2
 
   movq mm4, [eax+2*edx]
   sub eax, ebx
   movq mm2, [eax+2*edx]
 
   movq mm3, mm2
   movq mm5, mm4
 
   punpcklbw mm2, mm7
   punpcklbw mm4, mm7
 
   punpckhbw mm3, mm7
   punpckhbw mm5, mm7
 
   paddw mm2, mm4
   paddw mm3, mm5
 
   psubsw mm0, mm2
   psubsw mm1, mm3
 
   pmullw mm0, [mmx_five]
   pmullw mm1, [mmx_five]
 
   movq mm2, [eax+edx]
   movq mm4, [eax+2*ebx]
 
   movq mm3, mm2
   movq mm5, mm4
 
   punpcklbw mm2, mm7
   punpcklbw mm4, mm7
 
   punpckhbw mm3, mm7
   punpckhbw mm5, mm7
 
   paddw mm2, mm4
   paddw mm3, mm5
 
   paddsw mm0, mm2
   paddsw mm1, mm3
 
   paddsw mm0, mm6
   paddsw mm1, mm6
 
   psraw mm0, 5
   psraw mm1, 5
 
   lea eax, [eax+4*edx]
   packuswb mm0, mm1
   movq [ecx], mm0
 %endmacro
 
 ALIGN 16
 interpolate8x8_6tap_lowpass_v_mmx:
 
   push ebx
 
   mov eax, [esp + 4 + 16]           ; rounding
 
   movq mm6, [rounding_lowpass_mmx + eax * 8]
 
   mov ecx, [esp + 4 + 4]            ; dst -> edi
   mov eax, [esp + 4 + 8]            ; src -> esi
   mov edx, [esp + 4 + 12]           ; stride -> edx
 
   mov ebx, edx
   shl ebx, 1
   add ebx, edx
 
   pxor mm7, mm7
 
   LOWPASS_6TAP_V_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_V_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_V_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_V_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_V_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_V_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_V_MMX
   lea ecx, [ecx+edx]
   LOWPASS_6TAP_V_MMX
 
   pop ebx
   ret