diff options
Diffstat (limited to 'libswscale/ppc/yuv2rgb_altivec.c')
| -rw-r--r-- | libswscale/ppc/yuv2rgb_altivec.c | 962 |
1 files changed, 0 insertions, 962 deletions
diff --git a/libswscale/ppc/yuv2rgb_altivec.c b/libswscale/ppc/yuv2rgb_altivec.c deleted file mode 100644 index 550afc4023..0000000000 --- a/libswscale/ppc/yuv2rgb_altivec.c +++ /dev/null @@ -1,962 +0,0 @@ -/* - * AltiVec acceleration for colorspace conversion - * - * copyright (C) 2004 Marc Hoffman <marc.hoffman@analog.com> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/* -Convert I420 YV12 to RGB in various formats, - it rejects images that are not in 420 formats, - it rejects images that don't have widths of multiples of 16, - it rejects images that don't have heights of multiples of 2. -Reject defers to C simulation code. - -Lots of optimizations to be done here. - -1. Need to fix saturation code. I just couldn't get it to fly with packs - and adds, so we currently use max/min to clip. - -2. The inefficient use of chroma loading needs a bit of brushing up. - -3. Analysis of pipeline stalls needs to be done. Use shark to identify - pipeline stalls. - - -MODIFIED to calculate coeffs from currently selected color space. -MODIFIED core to be a macro where you specify the output format. -ADDED UYVY conversion which is never called due to some thing in swscale. -CORRECTED algorithim selection to be strict on input formats. -ADDED runtime detection of AltiVec. - -ADDED altivec_yuv2packedX vertical scl + RGB converter - -March 27,2004 -PERFORMANCE ANALYSIS - -The C version uses 25% of the processor or ~250Mips for D1 video rawvideo -used as test. -The AltiVec version uses 10% of the processor or ~100Mips for D1 video -same sequence. - -720 * 480 * 30 ~10MPS - -so we have roughly 10 clocks per pixel. This is too high, something has -to be wrong. - -OPTIMIZED clip codes to utilize vec_max and vec_packs removing the -need for vec_min. - -OPTIMIZED DST OUTPUT cache/DMA controls. We are pretty much guaranteed to have -the input video frame, it was just decompressed so it probably resides in L1 -caches. However, we are creating the output video stream. This needs to use the -DSTST instruction to optimize for the cache. We couple this with the fact that -we are not going to be visiting the input buffer again so we mark it Least -Recently Used. This shaves 25% of the processor cycles off. - -Now memcpy is the largest mips consumer in the system, probably due -to the inefficient X11 stuff. - -GL libraries seem to be very slow on this machine 1.33Ghz PB running -Jaguar, this is not the case for my 1Ghz PB. I thought it might be -a versioning issue, however I have libGL.1.2.dylib for both -machines. (We need to figure this out now.) - -GL2 libraries work now with patch for RGB32. - -NOTE: quartz vo driver ARGB32_to_RGB24 consumes 30% of the processor. - -Integrated luma prescaling adjustment for saturation/contrast/brightness -adjustment. -*/ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <inttypes.h> -#include <assert.h> -#include "config.h" -#include "libswscale/rgb2rgb.h" -#include "libswscale/swscale.h" -#include "libswscale/swscale_internal.h" - -#undef PROFILE_THE_BEAST -#undef INC_SCALING - -typedef unsigned char ubyte; -typedef signed char sbyte; - - -/* RGB interleaver, 16 planar pels 8-bit samples per channel in - homogeneous vector registers x0,x1,x2 are interleaved with the - following technique: - - o0 = vec_mergeh (x0,x1); - o1 = vec_perm (o0, x2, perm_rgb_0); - o2 = vec_perm (o0, x2, perm_rgb_1); - o3 = vec_mergel (x0,x1); - o4 = vec_perm (o3,o2,perm_rgb_2); - o5 = vec_perm (o3,o2,perm_rgb_3); - - perm_rgb_0: o0(RG).h v1(B) --> o1* - 0 1 2 3 4 - rgbr|gbrg|brgb|rgbr - 0010 0100 1001 0010 - 0102 3145 2673 894A - - perm_rgb_1: o0(RG).h v1(B) --> o2 - 0 1 2 3 4 - gbrg|brgb|bbbb|bbbb - 0100 1001 1111 1111 - B5CD 6EF7 89AB CDEF - - perm_rgb_2: o3(RG).l o2(rgbB.l) --> o4* - 0 1 2 3 4 - gbrg|brgb|rgbr|gbrg - 1111 1111 0010 0100 - 89AB CDEF 0182 3945 - - perm_rgb_2: o3(RG).l o2(rgbB.l) ---> o5* - 0 1 2 3 4 - brgb|rgbr|gbrg|brgb - 1001 0010 0100 1001 - a67b 89cA BdCD eEFf - -*/ -static -const vector unsigned char - perm_rgb_0 = {0x00,0x01,0x10,0x02,0x03,0x11,0x04,0x05, - 0x12,0x06,0x07,0x13,0x08,0x09,0x14,0x0a}, - perm_rgb_1 = {0x0b,0x15,0x0c,0x0d,0x16,0x0e,0x0f,0x17, - 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f}, - perm_rgb_2 = {0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17, - 0x00,0x01,0x18,0x02,0x03,0x19,0x04,0x05}, - perm_rgb_3 = {0x1a,0x06,0x07,0x1b,0x08,0x09,0x1c,0x0a, - 0x0b,0x1d,0x0c,0x0d,0x1e,0x0e,0x0f,0x1f}; - -#define vec_merge3(x2,x1,x0,y0,y1,y2) \ -do { \ - __typeof__(x0) o0,o2,o3; \ - o0 = vec_mergeh (x0,x1); \ - y0 = vec_perm (o0, x2, perm_rgb_0); \ - o2 = vec_perm (o0, x2, perm_rgb_1); \ - o3 = vec_mergel (x0,x1); \ - y1 = vec_perm (o3,o2,perm_rgb_2); \ - y2 = vec_perm (o3,o2,perm_rgb_3); \ -} while(0) - -#define vec_mstbgr24(x0,x1,x2,ptr) \ -do { \ - __typeof__(x0) _0,_1,_2; \ - vec_merge3 (x0,x1,x2,_0,_1,_2); \ - vec_st (_0, 0, ptr++); \ - vec_st (_1, 0, ptr++); \ - vec_st (_2, 0, ptr++); \ -} while (0); - -#define vec_mstrgb24(x0,x1,x2,ptr) \ -do { \ - __typeof__(x0) _0,_1,_2; \ - vec_merge3 (x2,x1,x0,_0,_1,_2); \ - vec_st (_0, 0, ptr++); \ - vec_st (_1, 0, ptr++); \ - vec_st (_2, 0, ptr++); \ -} while (0); - -/* pack the pixels in rgb0 format - msb R - lsb 0 -*/ -#define vec_mstrgb32(T,x0,x1,x2,x3,ptr) \ -do { \ - T _0,_1,_2,_3; \ - _0 = vec_mergeh (x0,x1); \ - _1 = vec_mergeh (x2,x3); \ - _2 = (T)vec_mergeh ((vector unsigned short)_0,(vector unsigned short)_1); \ - _3 = (T)vec_mergel ((vector unsigned short)_0,(vector unsigned short)_1); \ - vec_st (_2, 0*16, (T *)ptr); \ - vec_st (_3, 1*16, (T *)ptr); \ - _0 = vec_mergel (x0,x1); \ - _1 = vec_mergel (x2,x3); \ - _2 = (T)vec_mergeh ((vector unsigned short)_0,(vector unsigned short)_1); \ - _3 = (T)vec_mergel ((vector unsigned short)_0,(vector unsigned short)_1); \ - vec_st (_2, 2*16, (T *)ptr); \ - vec_st (_3, 3*16, (T *)ptr); \ - ptr += 4; \ -} while (0); - -/* - - | 1 0 1.4021 | | Y | - | 1 -0.3441 -0.7142 |x| Cb| - | 1 1.7718 0 | | Cr| - - - Y: [-128 127] - Cb/Cr : [-128 127] - - typical yuv conversion work on Y: 0-255 this version has been optimized for jpeg decode. - -*/ - - - - -#define vec_unh(x) \ - (vector signed short) \ - vec_perm(x,(__typeof__(x)){0}, \ - ((vector unsigned char){0x10,0x00,0x10,0x01,0x10,0x02,0x10,0x03,\ - 0x10,0x04,0x10,0x05,0x10,0x06,0x10,0x07})) -#define vec_unl(x) \ - (vector signed short) \ - vec_perm(x,(__typeof__(x)){0}, \ - ((vector unsigned char){0x10,0x08,0x10,0x09,0x10,0x0A,0x10,0x0B,\ - 0x10,0x0C,0x10,0x0D,0x10,0x0E,0x10,0x0F})) - -#define vec_clip_s16(x) \ - vec_max (vec_min (x, ((vector signed short){235,235,235,235,235,235,235,235})), \ - ((vector signed short){ 16, 16, 16, 16, 16, 16, 16, 16})) - -#define vec_packclp(x,y) \ - (vector unsigned char)vec_packs \ - ((vector unsigned short)vec_max (x,((vector signed short) {0})), \ - (vector unsigned short)vec_max (y,((vector signed short) {0}))) - -//#define out_pixels(a,b,c,ptr) vec_mstrgb32(__typeof__(a),((__typeof__ (a)){255}),a,a,a,ptr) - - -static inline void cvtyuvtoRGB (SwsContext *c, - vector signed short Y, vector signed short U, vector signed short V, - vector signed short *R, vector signed short *G, vector signed short *B) -{ - vector signed short vx,ux,uvx; - - Y = vec_mradds (Y, c->CY, c->OY); - U = vec_sub (U,(vector signed short) - vec_splat((vector signed short){128},0)); - V = vec_sub (V,(vector signed short) - vec_splat((vector signed short){128},0)); - - // ux = (CBU*(u<<c->CSHIFT)+0x4000)>>15; - ux = vec_sl (U, c->CSHIFT); - *B = vec_mradds (ux, c->CBU, Y); - - // vx = (CRV*(v<<c->CSHIFT)+0x4000)>>15; - vx = vec_sl (V, c->CSHIFT); - *R = vec_mradds (vx, c->CRV, Y); - - // uvx = ((CGU*u) + (CGV*v))>>15; - uvx = vec_mradds (U, c->CGU, Y); - *G = vec_mradds (V, c->CGV, uvx); -} - - -/* - ------------------------------------------------------------------------------ - CS converters - ------------------------------------------------------------------------------ -*/ - - -#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){128},0)); \ - v = (vector signed char) \ - vec_sub (v,(vector signed char) \ - vec_splat((vector signed char){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){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){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){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 out_abgr(a,b,c,ptr) vec_mstrgb32(__typeof__(a),((__typeof__ (a)){255}),c,b,a,ptr) -#define out_bgra(a,b,c,ptr) vec_mstrgb32(__typeof__(a),c,b,a,((__typeof__ (a)){255}),ptr) -#define out_rgba(a,b,c,ptr) vec_mstrgb32(__typeof__(a),a,b,c,((__typeof__ (a)){255}),ptr) -#define out_argb(a,b,c,ptr) vec_mstrgb32(__typeof__(a),((__typeof__ (a)){255}),a,b,c,ptr) -#define out_rgb24(a,b,c,ptr) vec_mstrgb24(a,b,c,ptr) -#define out_bgr24(a,b,c,ptr) vec_mstbgr24(a,b,c,ptr) - -DEFCSP420_CVT (yuv2_abgr, out_abgr) -#if 1 -DEFCSP420_CVT (yuv2_bgra, out_bgra) -#else -static int altivec_yuv2_bgra32 (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 *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]+w; - 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]; - 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++) { - - y0 = vec_ldl (0,y1i); - y1 = vec_ldl (0,y2i); - uivP = (vector unsigned char *)ui; - vivP = (vector unsigned char *)vi; - - 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){128},0)); - - v = (vector signed char) - vec_sub (v, (vector signed char) - vec_splat((vector signed char){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){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){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){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_argb(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_argb(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; -} - -#endif - - -DEFCSP420_CVT (yuv2_rgba, out_rgba) -DEFCSP420_CVT (yuv2_argb, out_argb) -DEFCSP420_CVT (yuv2_rgb24, out_rgb24) -DEFCSP420_CVT (yuv2_bgr24, out_bgr24) - - -// uyvy|uyvy|uyvy|uyvy -// 0123 4567 89ab cdef -static -const vector unsigned char - demux_u = {0x10,0x00,0x10,0x00, - 0x10,0x04,0x10,0x04, - 0x10,0x08,0x10,0x08, - 0x10,0x0c,0x10,0x0c}, - demux_v = {0x10,0x02,0x10,0x02, - 0x10,0x06,0x10,0x06, - 0x10,0x0A,0x10,0x0A, - 0x10,0x0E,0x10,0x0E}, - demux_y = {0x10,0x01,0x10,0x03, - 0x10,0x05,0x10,0x07, - 0x10,0x09,0x10,0x0B, - 0x10,0x0D,0x10,0x0F}; - -/* - this is so I can play live CCIR raw video -*/ -static int altivec_uyvy_rgb32 (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; - vector unsigned char uyvy; - vector signed short Y,U,V; - vector signed short R0,G0,B0,R1,G1,B1; - vector unsigned char R,G,B; - vector unsigned char *out; - ubyte *img; - - img = in[0]; - out = (vector unsigned char *)(oplanes[0]+srcSliceY*outstrides[0]); - - for (i=0;i<h;i++) { - for (j=0;j<w/16;j++) { - uyvy = vec_ld (0, img); - U = (vector signed short) - vec_perm (uyvy, (vector unsigned char){0}, demux_u); - - V = (vector signed short) - vec_perm (uyvy, (vector unsigned char){0}, demux_v); - - Y = (vector signed short) - vec_perm (uyvy, (vector unsigned char){0}, demux_y); - - cvtyuvtoRGB (c, Y,U,V,&R0,&G0,&B0); - - uyvy = vec_ld (16, img); - U = (vector signed short) - vec_perm (uyvy, (vector unsigned char){0}, demux_u); - - V = (vector signed short) - vec_perm (uyvy, (vector unsigned char){0}, demux_v); - - Y = (vector signed short) - vec_perm (uyvy, (vector unsigned char){0}, demux_y); - - cvtyuvtoRGB (c, Y,U,V,&R1,&G1,&B1); - - R = vec_packclp (R0,R1); - G = vec_packclp (G0,G1); - B = vec_packclp (B0,B1); - - // vec_mstbgr24 (R,G,B, out); - out_rgba (R,G,B,out); - - img += 32; - } - } - return srcSliceH; -} - - - -/* Ok currently the acceleration routine only supports - inputs of widths a multiple of 16 - and heights a multiple 2 - - So we just fall back to the C codes for this. -*/ -SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c) -{ - if (!(c->flags & SWS_CPU_CAPS_ALTIVEC)) - return NULL; - - /* - and this seems not to matter too much I tried a bunch of - videos with abnormal widths and MPlayer crashes elsewhere. - mplayer -vo x11 -rawvideo on:w=350:h=240 raw-350x240.eyuv - boom with X11 bad match. - - */ - if ((c->srcW & 0xf) != 0) return NULL; - - switch (c->srcFormat) { - case PIX_FMT_YUV410P: - case PIX_FMT_YUV420P: - /*case IMGFMT_CLPL: ??? */ - case PIX_FMT_GRAY8: - case PIX_FMT_NV12: - case PIX_FMT_NV21: - if ((c->srcH & 0x1) != 0) - return NULL; - - switch(c->dstFormat){ - case PIX_FMT_RGB24: - av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space RGB24\n"); - return altivec_yuv2_rgb24; - case PIX_FMT_BGR24: - av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space BGR24\n"); - return altivec_yuv2_bgr24; - case PIX_FMT_ARGB: - av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space ARGB\n"); - return altivec_yuv2_argb; - case PIX_FMT_ABGR: - av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space ABGR\n"); - return altivec_yuv2_abgr; - case PIX_FMT_RGBA: - av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space RGBA\n"); - return altivec_yuv2_rgba; - case PIX_FMT_BGRA: - av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space BGRA\n"); - return altivec_yuv2_bgra; - default: return NULL; - } - break; - - case PIX_FMT_UYVY422: - switch(c->dstFormat){ - case PIX_FMT_BGR32: - av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space UYVY -> RGB32\n"); - return altivec_uyvy_rgb32; - default: return NULL; - } - break; - - } - return NULL; -} - -void ff_yuv2rgb_init_tables_altivec(SwsContext *c, const int inv_table[4], int brightness, int contrast, int saturation) -{ - union { - DECLARE_ALIGNED(16, signed short, tmp[8]); - vector signed short vec; - } buf; - - buf.tmp[0] = ((0xffffLL) * contrast>>8)>>9; //cy - buf.tmp[1] = -256*brightness; //oy - buf.tmp[2] = (inv_table[0]>>3) *(contrast>>16)*(saturation>>16); //crv - buf.tmp[3] = (inv_table[1]>>3) *(contrast>>16)*(saturation>>16); //cbu - buf.tmp[4] = -((inv_table[2]>>1)*(contrast>>16)*(saturation>>16)); //cgu - buf.tmp[5] = -((inv_table[3]>>1)*(contrast>>16)*(saturation>>16)); //cgv - - - c->CSHIFT = (vector unsigned short)vec_splat_u16(2); - c->CY = vec_splat ((vector signed short)buf.vec, 0); - c->OY = vec_splat ((vector signed short)buf.vec, 1); - c->CRV = vec_splat ((vector signed short)buf.vec, 2); - c->CBU = vec_splat ((vector signed short)buf.vec, 3); - c->CGU = vec_splat ((vector signed short)buf.vec, 4); - c->CGV = vec_splat ((vector signed short)buf.vec, 5); -#if 0 - { - int i; - char *v[6]={"cy","oy","crv","cbu","cgu","cgv"}; - for (i=0; i<6; i++) - printf("%s %d ", v[i],buf.tmp[i] ); - printf("\n"); - } -#endif - return; -} - - -void -ff_yuv2packedX_altivec(SwsContext *c, - const int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, - const int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, - uint8_t *dest, int dstW, int dstY) -{ - int i,j; - vector signed short X,X0,X1,Y0,U0,V0,Y1,U1,V1,U,V; - vector signed short R0,G0,B0,R1,G1,B1; - - vector unsigned char R,G,B; - vector unsigned char *out,*nout; - - vector signed short RND = vec_splat_s16(1<<3); - vector unsigned short SCL = vec_splat_u16(4); - DECLARE_ALIGNED(16, unsigned long, scratch[16]); - - vector signed short *YCoeffs, *CCoeffs; - - YCoeffs = c->vYCoeffsBank+dstY*lumFilterSize; - CCoeffs = c->vCCoeffsBank+dstY*chrFilterSize; - - out = (vector unsigned char *)dest; - - for (i=0; i<dstW; i+=16){ - Y0 = RND; - Y1 = RND; - /* extract 16 coeffs from lumSrc */ - for (j=0; j<lumFilterSize; j++) { - X0 = vec_ld (0, &lumSrc[j][i]); - X1 = vec_ld (16, &lumSrc[j][i]); - Y0 = vec_mradds (X0, YCoeffs[j], Y0); - Y1 = vec_mradds (X1, YCoeffs[j], Y1); - } - - U = RND; - V = RND; - /* extract 8 coeffs from U,V */ - for (j=0; j<chrFilterSize; j++) { - X = vec_ld (0, &chrSrc[j][i/2]); - U = vec_mradds (X, CCoeffs[j], U); - X = vec_ld (0, &chrSrc[j][i/2+2048]); - V = vec_mradds (X, CCoeffs[j], V); - } - - /* scale and clip signals */ - Y0 = vec_sra (Y0, SCL); - Y1 = vec_sra (Y1, SCL); - U = vec_sra (U, SCL); - V = vec_sra (V, SCL); - - Y0 = vec_clip_s16 (Y0); - Y1 = vec_clip_s16 (Y1); - U = vec_clip_s16 (U); - V = vec_clip_s16 (V); - - /* now we have - Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15 - U= u0 u1 u2 u3 u4 u5 u6 u7 V= v0 v1 v2 v3 v4 v5 v6 v7 - - Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15 - U0= u0 u0 u1 u1 u2 u2 u3 u3 U1= u4 u4 u5 u5 u6 u6 u7 u7 - V0= v0 v0 v1 v1 v2 v2 v3 v3 V1= v4 v4 v5 v5 v6 v6 v7 v7 - */ - - U0 = vec_mergeh (U,U); - V0 = vec_mergeh (V,V); - - U1 = vec_mergel (U,U); - V1 = vec_mergel (V,V); - - cvtyuvtoRGB (c, Y0,U0,V0,&R0,&G0,&B0); - cvtyuvtoRGB (c, Y1,U1,V1,&R1,&G1,&B1); - - R = vec_packclp (R0,R1); - G = vec_packclp (G0,G1); - B = vec_packclp (B0,B1); - - switch(c->dstFormat) { - case PIX_FMT_ABGR: out_abgr (R,G,B,out); break; - case PIX_FMT_BGRA: out_bgra (R,G,B,out); break; - case PIX_FMT_RGBA: out_rgba (R,G,B,out); break; - case PIX_FMT_ARGB: out_argb (R,G,B,out); break; - case PIX_FMT_RGB24: out_rgb24 (R,G,B,out); break; - case PIX_FMT_BGR24: out_bgr24 (R,G,B,out); break; - default: - { - /* If this is reached, the caller should have called yuv2packedXinC - instead. */ - static int printed_error_message; - if (!printed_error_message) { - av_log(c, AV_LOG_ERROR, "altivec_yuv2packedX doesn't support %s output\n", - sws_format_name(c->dstFormat)); - printed_error_message=1; - } - return; - } - } - } - - if (i < dstW) { - i -= 16; - - Y0 = RND; - Y1 = RND; - /* extract 16 coeffs from lumSrc */ - for (j=0; j<lumFilterSize; j++) { - X0 = vec_ld (0, &lumSrc[j][i]); - X1 = vec_ld (16, &lumSrc[j][i]); - Y0 = vec_mradds (X0, YCoeffs[j], Y0); - Y1 = vec_mradds (X1, YCoeffs[j], Y1); - } - - U = RND; - V = RND; - /* extract 8 coeffs from U,V */ - for (j=0; j<chrFilterSize; j++) { - X = vec_ld (0, &chrSrc[j][i/2]); - U = vec_mradds (X, CCoeffs[j], U); - X = vec_ld (0, &chrSrc[j][i/2+2048]); - V = vec_mradds (X, CCoeffs[j], V); - } - - /* scale and clip signals */ - Y0 = vec_sra (Y0, SCL); - Y1 = vec_sra (Y1, SCL); - U = vec_sra (U, SCL); - V = vec_sra (V, SCL); - - Y0 = vec_clip_s16 (Y0); - Y1 = vec_clip_s16 (Y1); - U = vec_clip_s16 (U); - V = vec_clip_s16 (V); - - /* now we have - Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15 - U = u0 u1 u2 u3 u4 u5 u6 u7 V = v0 v1 v2 v3 v4 v5 v6 v7 - - Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15 - U0= u0 u0 u1 u1 u2 u2 u3 u3 U1= u4 u4 u5 u5 u6 u6 u7 u7 - V0= v0 v0 v1 v1 v2 v2 v3 v3 V1= v4 v4 v5 v5 v6 v6 v7 v7 - */ - - U0 = vec_mergeh (U,U); - V0 = vec_mergeh (V,V); - - U1 = vec_mergel (U,U); - V1 = vec_mergel (V,V); - - cvtyuvtoRGB (c, Y0,U0,V0,&R0,&G0,&B0); - cvtyuvtoRGB (c, Y1,U1,V1,&R1,&G1,&B1); - - R = vec_packclp (R0,R1); - G = vec_packclp (G0,G1); - B = vec_packclp (B0,B1); - - nout = (vector unsigned char *)scratch; - switch(c->dstFormat) { - case PIX_FMT_ABGR: out_abgr (R,G,B,nout); break; - case PIX_FMT_BGRA: out_bgra (R,G,B,nout); break; - case PIX_FMT_RGBA: out_rgba (R,G,B,nout); break; - case PIX_FMT_ARGB: out_argb (R,G,B,nout); break; - case PIX_FMT_RGB24: out_rgb24 (R,G,B,nout); break; - case PIX_FMT_BGR24: out_bgr24 (R,G,B,nout); break; - default: - /* Unreachable, I think. */ - av_log(c, AV_LOG_ERROR, "altivec_yuv2packedX doesn't support %s output\n", - sws_format_name(c->dstFormat)); - return; - } - - memcpy (&((uint32_t*)dest)[i], scratch, (dstW-i)/4); - } - -} |