-#define DEFCSP420_CVT(name,out_pixels) \
-static int altivec_##name (SwsContext *c, \
- unsigned char **in, int *instrides, \
- int srcSliceY, int srcSliceH, \
- unsigned char **oplanes, int *outstrides) \
-{ \
- int w = c->srcW; \
- int h = srcSliceH; \
- int i,j; \
- int instrides_scl[3]; \
- vector unsigned char y0,y1; \
- \
- vector signed char u,v; \
- \
- vector signed short Y0,Y1,Y2,Y3; \
- vector signed short U,V; \
- vector signed short vx,ux,uvx; \
- vector signed short vx0,ux0,uvx0; \
- vector signed short vx1,ux1,uvx1; \
- vector signed short R0,G0,B0; \
- vector signed short R1,G1,B1; \
- vector unsigned char R,G,B; \
- \
- vector unsigned char *y1ivP, *y2ivP, *uivP, *vivP; \
- vector unsigned char align_perm; \
- \
- vector signed short \
- lCY = c->CY, \
- lOY = c->OY, \
- lCRV = c->CRV, \
- lCBU = c->CBU, \
- lCGU = c->CGU, \
- lCGV = c->CGV; \
- \
- vector unsigned short lCSHIFT = c->CSHIFT; \
- \
- ubyte *y1i = in[0]; \
- ubyte *y2i = in[0]+instrides[0]; \
- ubyte *ui = in[1]; \
- ubyte *vi = in[2]; \
- \
- vector unsigned char *oute \
- = (vector unsigned char *) \
- (oplanes[0]+srcSliceY*outstrides[0]); \
- vector unsigned char *outo \
- = (vector unsigned char *) \
- (oplanes[0]+srcSliceY*outstrides[0]+outstrides[0]); \
- \
- \
- instrides_scl[0] = instrides[0]*2-w; /* the loop moves y{1,2}i by w */ \
- instrides_scl[1] = instrides[1]-w/2; /* the loop moves ui by w/2 */ \
- instrides_scl[2] = instrides[2]-w/2; /* the loop moves vi by w/2 */ \
- \
- \
- for (i=0;i<h/2;i++) { \
- vec_dstst (outo, (0x02000002|(((w*3+32)/32)<<16)), 0); \
- vec_dstst (oute, (0x02000002|(((w*3+32)/32)<<16)), 1); \
- \
- for (j=0;j<w/16;j++) { \
- \
- y1ivP = (vector unsigned char *)y1i; \
- y2ivP = (vector unsigned char *)y2i; \
- uivP = (vector unsigned char *)ui; \
- vivP = (vector unsigned char *)vi; \
- \
- align_perm = vec_lvsl (0, y1i); \
- y0 = (vector unsigned char)vec_perm (y1ivP[0], y1ivP[1], align_perm);\
- \
- align_perm = vec_lvsl (0, y2i); \
- y1 = (vector unsigned char)vec_perm (y2ivP[0], y2ivP[1], align_perm);\
- \
- align_perm = vec_lvsl (0, ui); \
- u = (vector signed char)vec_perm (uivP[0], uivP[1], align_perm); \
- \
- align_perm = vec_lvsl (0, vi); \
- v = (vector signed char)vec_perm (vivP[0], vivP[1], align_perm); \
- \
- u = (vector signed char) \
- vec_sub (u,(vector signed char) \
- vec_splat((vector signed char)AVV(128),0));\
- v = (vector signed char) \
- vec_sub (v,(vector signed char) \
- vec_splat((vector signed char)AVV(128),0));\
- \
- U = vec_unpackh (u); \
- V = vec_unpackh (v); \
- \
- \
- Y0 = vec_unh (y0); \
- Y1 = vec_unl (y0); \
- Y2 = vec_unh (y1); \
- Y3 = vec_unl (y1); \
- \
- Y0 = vec_mradds (Y0, lCY, lOY); \
- Y1 = vec_mradds (Y1, lCY, lOY); \
- Y2 = vec_mradds (Y2, lCY, lOY); \
- Y3 = vec_mradds (Y3, lCY, lOY); \
- \
- /* ux = (CBU*(u<<CSHIFT)+0x4000)>>15 */ \
- ux = vec_sl (U, lCSHIFT); \
- ux = vec_mradds (ux, lCBU, (vector signed short)AVV(0)); \
- ux0 = vec_mergeh (ux,ux); \
- ux1 = vec_mergel (ux,ux); \
- \
- /* vx = (CRV*(v<<CSHIFT)+0x4000)>>15; */ \
- vx = vec_sl (V, lCSHIFT); \
- vx = vec_mradds (vx, lCRV, (vector signed short)AVV(0)); \
- vx0 = vec_mergeh (vx,vx); \
- vx1 = vec_mergel (vx,vx); \
- \
- /* uvx = ((CGU*u) + (CGV*v))>>15 */ \
- uvx = vec_mradds (U, lCGU, (vector signed short)AVV(0)); \
- uvx = vec_mradds (V, lCGV, uvx); \
- uvx0 = vec_mergeh (uvx,uvx); \
- uvx1 = vec_mergel (uvx,uvx); \
- \
- R0 = vec_add (Y0,vx0); \
- G0 = vec_add (Y0,uvx0); \
- B0 = vec_add (Y0,ux0); \
- R1 = vec_add (Y1,vx1); \
- G1 = vec_add (Y1,uvx1); \
- B1 = vec_add (Y1,ux1); \
- \
- R = vec_packclp (R0,R1); \
- G = vec_packclp (G0,G1); \
- B = vec_packclp (B0,B1); \
- \
- out_pixels(R,G,B,oute); \
- \
- R0 = vec_add (Y2,vx0); \
- G0 = vec_add (Y2,uvx0); \
- B0 = vec_add (Y2,ux0); \
- R1 = vec_add (Y3,vx1); \
- G1 = vec_add (Y3,uvx1); \
- B1 = vec_add (Y3,ux1); \
- R = vec_packclp (R0,R1); \
- G = vec_packclp (G0,G1); \
- B = vec_packclp (B0,B1); \
- \
- \
- out_pixels(R,G,B,outo); \
- \
- y1i += 16; \
- y2i += 16; \
- ui += 8; \
- vi += 8; \
- \
- } \
- \
- outo += (outstrides[0])>>4; \
- oute += (outstrides[0])>>4; \
- \
- ui += instrides_scl[1]; \
- vi += instrides_scl[2]; \
- y1i += instrides_scl[0]; \
- y2i += instrides_scl[0]; \
- } \
- return srcSliceH; \
+#define DEFCSP420_CVT(name,out_pixels) \
+static int altivec_##name (SwsContext *c, \
+ unsigned char **in, int *instrides, \
+ int srcSliceY, int srcSliceH, \
+ unsigned char **oplanes, int *outstrides) \
+{ \
+ int w = c->srcW; \
+ int h = srcSliceH; \
+ int i,j; \
+ int instrides_scl[3]; \
+ vector unsigned char y0,y1; \
+ \
+ vector signed char u,v; \
+ \
+ vector signed short Y0,Y1,Y2,Y3; \
+ vector signed short U,V; \
+ vector signed short vx,ux,uvx; \
+ vector signed short vx0,ux0,uvx0; \
+ vector signed short vx1,ux1,uvx1; \
+ vector signed short R0,G0,B0; \
+ vector signed short R1,G1,B1; \
+ vector unsigned char R,G,B; \
+ \
+ vector unsigned char *y1ivP, *y2ivP, *uivP, *vivP; \
+ vector unsigned char align_perm; \
+ \
+ vector signed short \
+ lCY = c->CY, \
+ lOY = c->OY, \
+ lCRV = c->CRV, \
+ lCBU = c->CBU, \
+ lCGU = c->CGU, \
+ lCGV = c->CGV; \
+ \
+ vector unsigned short lCSHIFT = c->CSHIFT; \
+ \
+ ubyte *y1i = in[0]; \
+ ubyte *y2i = in[0]+instrides[0]; \
+ ubyte *ui = in[1]; \
+ ubyte *vi = in[2]; \
+ \
+ vector unsigned char *oute \
+ = (vector unsigned char *) \
+ (oplanes[0]+srcSliceY*outstrides[0]); \
+ vector unsigned char *outo \
+ = (vector unsigned char *) \
+ (oplanes[0]+srcSliceY*outstrides[0]+outstrides[0]); \
+ \
+ \
+ instrides_scl[0] = instrides[0]*2-w; /* the loop moves y{1,2}i by w */ \
+ instrides_scl[1] = instrides[1]-w/2; /* the loop moves ui by w/2 */ \
+ instrides_scl[2] = instrides[2]-w/2; /* the loop moves vi by w/2 */ \
+ \
+ \
+ for (i=0;i<h/2;i++) { \
+ vec_dstst (outo, (0x02000002|(((w*3+32)/32)<<16)), 0); \
+ vec_dstst (oute, (0x02000002|(((w*3+32)/32)<<16)), 1); \
+ \
+ for (j=0;j<w/16;j++) { \
+ \
+ y1ivP = (vector unsigned char *)y1i; \
+ y2ivP = (vector unsigned char *)y2i; \
+ uivP = (vector unsigned char *)ui; \
+ vivP = (vector unsigned char *)vi; \
+ \
+ align_perm = vec_lvsl (0, y1i); \
+ y0 = (vector unsigned char) \
+ vec_perm (y1ivP[0], y1ivP[1], align_perm); \
+ \
+ align_perm = vec_lvsl (0, y2i); \
+ y1 = (vector unsigned char) \
+ vec_perm (y2ivP[0], y2ivP[1], align_perm); \
+ \
+ align_perm = vec_lvsl (0, ui); \
+ u = (vector signed char) \
+ vec_perm (uivP[0], uivP[1], align_perm); \
+ \
+ align_perm = vec_lvsl (0, vi); \
+ v = (vector signed char) \
+ vec_perm (vivP[0], vivP[1], align_perm); \
+ \
+ u = (vector signed char) \
+ vec_sub (u,(vector signed char) \
+ vec_splat((vector signed char)AVV(128),0)); \
+ v = (vector signed char) \
+ vec_sub (v,(vector signed char) \
+ vec_splat((vector signed char)AVV(128),0)); \
+ \
+ U = vec_unpackh (u); \
+ V = vec_unpackh (v); \
+ \
+ \
+ Y0 = vec_unh (y0); \
+ Y1 = vec_unl (y0); \
+ Y2 = vec_unh (y1); \
+ Y3 = vec_unl (y1); \
+ \
+ Y0 = vec_mradds (Y0, lCY, lOY); \
+ Y1 = vec_mradds (Y1, lCY, lOY); \
+ Y2 = vec_mradds (Y2, lCY, lOY); \
+ Y3 = vec_mradds (Y3, lCY, lOY); \
+ \
+ /* ux = (CBU*(u<<CSHIFT)+0x4000)>>15 */ \
+ ux = vec_sl (U, lCSHIFT); \
+ ux = vec_mradds (ux, lCBU, (vector signed short)AVV(0)); \
+ ux0 = vec_mergeh (ux,ux); \
+ ux1 = vec_mergel (ux,ux); \
+ \
+ /* vx = (CRV*(v<<CSHIFT)+0x4000)>>15; */ \
+ vx = vec_sl (V, lCSHIFT); \
+ vx = vec_mradds (vx, lCRV, (vector signed short)AVV(0)); \
+ vx0 = vec_mergeh (vx,vx); \
+ vx1 = vec_mergel (vx,vx); \
+ \
+ /* uvx = ((CGU*u) + (CGV*v))>>15 */ \
+ uvx = vec_mradds (U, lCGU, (vector signed short)AVV(0)); \
+ uvx = vec_mradds (V, lCGV, uvx); \
+ uvx0 = vec_mergeh (uvx,uvx); \
+ uvx1 = vec_mergel (uvx,uvx); \
+ \
+ R0 = vec_add (Y0,vx0); \
+ G0 = vec_add (Y0,uvx0); \
+ B0 = vec_add (Y0,ux0); \
+ R1 = vec_add (Y1,vx1); \
+ G1 = vec_add (Y1,uvx1); \
+ B1 = vec_add (Y1,ux1); \
+ \
+ R = vec_packclp (R0,R1); \
+ G = vec_packclp (G0,G1); \
+ B = vec_packclp (B0,B1); \
+ \
+ out_pixels(R,G,B,oute); \
+ \
+ R0 = vec_add (Y2,vx0); \
+ G0 = vec_add (Y2,uvx0); \
+ B0 = vec_add (Y2,ux0); \
+ R1 = vec_add (Y3,vx1); \
+ G1 = vec_add (Y3,uvx1); \
+ B1 = vec_add (Y3,ux1); \
+ R = vec_packclp (R0,R1); \
+ G = vec_packclp (G0,G1); \
+ B = vec_packclp (B0,B1); \
+ \
+ \
+ out_pixels(R,G,B,outo); \
+ \
+ y1i += 16; \
+ y2i += 16; \
+ ui += 8; \
+ vi += 8; \
+ \
+ } \
+ \
+ outo += (outstrides[0])>>4; \
+ oute += (outstrides[0])>>4; \
+ \
+ ui += instrides_scl[1]; \
+ vi += instrides_scl[2]; \
+ y1i += instrides_scl[0]; \
+ y2i += instrides_scl[0]; \
+ } \
+ return srcSliceH; \