diff options
Diffstat (limited to 'libswscale/ppc/yuv2rgb_altivec.c')
| -rw-r--r-- | libswscale/ppc/yuv2rgb_altivec.c | 1254 |
1 files changed, 642 insertions, 612 deletions
diff --git a/libswscale/ppc/yuv2rgb_altivec.c b/libswscale/ppc/yuv2rgb_altivec.c index 8e84c26382..5c2e2c8196 100644 --- a/libswscale/ppc/yuv2rgb_altivec.c +++ b/libswscale/ppc/yuv2rgb_altivec.c @@ -21,75 +21,76 @@ */ /* -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. -*/ + * 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" @@ -104,456 +105,451 @@ adjustment. 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) + * 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) + * 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 works on Y: 0-255 this version has been + * optimized for JPEG decoding. + */ - | 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) +#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; + 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)); + 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); + // 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); + // 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); + // uvx = ((CGU * u) + (CGV * v)) >> 15; + uvx = vec_mradds(U, c->CGU, Y); + *G = vec_mradds(V, c->CGV, uvx); } - /* - ------------------------------------------------------------------------------ - CS converters - ------------------------------------------------------------------------------ -*/ - + * ------------------------------------------------------------------------------ + * CS converters + * ------------------------------------------------------------------------------ + */ -#define DEFCSP420_CVT(name,out_pixels) \ -static int altivec_##name (SwsContext *c, \ - const 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; \ - \ - const 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; \ - \ - const ubyte *y1i = in[0]; \ - const ubyte *y2i = in[0]+instrides[0]; \ - const ubyte *ui = in[1]; \ - const 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 = (const vector unsigned char *)y1i; \ - y2ivP = (const vector unsigned char *)y2i; \ - uivP = (const vector unsigned char *)ui; \ - vivP = (const 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 DEFCSP420_CVT(name, out_pixels) \ +static int altivec_ ## name(SwsContext *c, const 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; \ + \ + const vector unsigned char *y1ivP, *y2ivP, *uivP, *vivP; \ + vector unsigned char align_perm; \ + \ + vector signed short lCY = c->CY; \ + vector signed short lOY = c->OY; \ + vector signed short lCRV = c->CRV; \ + vector signed short lCBU = c->CBU; \ + vector signed short lCGU = c->CGU; \ + vector signed short lCGV = c->CGV; \ + vector unsigned short lCSHIFT = c->CSHIFT; \ + \ + const ubyte *y1i = in[0]; \ + const ubyte *y2i = in[0] + instrides[0]; \ + const ubyte *ui = in[1]; \ + const 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]); \ + \ + /* loop moves y{1, 2}i by w */ \ + instrides_scl[0] = instrides[0] * 2 - w; \ + /* loop moves ui by w / 2 */ \ + instrides_scl[1] = instrides[1] - w / 2; \ + /* loop moves vi by w / 2 */ \ + instrides_scl[2] = instrides[2] - 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 = (const vector unsigned char *) y1i; \ + y2ivP = (const vector unsigned char *) y2i; \ + uivP = (const vector unsigned char *) ui; \ + vivP = (const 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) -DEFCSP420_CVT (yuv2_bgra, out_bgra) -DEFCSP420_CVT (yuv2_rgba, out_rgba) -DEFCSP420_CVT (yuv2_argb, out_argb) -DEFCSP420_CVT (yuv2_rgb24, out_rgb24) -DEFCSP420_CVT (yuv2_bgr24, out_bgr24) - +#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) +DEFCSP420_CVT(yuv2_bgra, out_bgra) +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}; +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, - const unsigned char **in, int *instrides, - int srcSliceY, int srcSliceH, - unsigned char **oplanes, int *outstrides) + * this is so I can play live CCIR raw video + */ +static int altivec_uyvy_rgb32(SwsContext *c, const 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 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 signed short Y, U, V; + vector signed short R0, G0, B0, R1, G1, B1; + vector unsigned char R, G, B; vector unsigned char *out; const ubyte *img; img = in[0]; - out = (vector unsigned char *)(oplanes[0]+srcSliceY*outstrides[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); + 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); - + vec_perm(uyvy, (vector unsigned char) { 0 }, demux_v); Y = (vector signed short) - vec_perm (uyvy, (vector unsigned char){0}, demux_y); + vec_perm(uyvy, (vector unsigned char) { 0 }, demux_y); - cvtyuvtoRGB (c, Y,U,V,&R0,&G0,&B0); + 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); + 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); - + vec_perm(uyvy, (vector unsigned char) { 0 }, demux_v); Y = (vector signed short) - vec_perm (uyvy, (vector unsigned char){0}, demux_y); + vec_perm(uyvy, (vector unsigned char) { 0 }, demux_y); - cvtyuvtoRGB (c, Y,U,V,&R1,&G1,&B1); + cvtyuvtoRGB(c, Y, U, V, &R1, &G1, &B1); - R = vec_packclp (R0,R1); - G = vec_packclp (G0,G1); - B = vec_packclp (B0,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); + // 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. -*/ + * 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 (!(av_get_cpu_flags() & AV_CPU_FLAG_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; + * 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: @@ -565,7 +561,7 @@ SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c) if ((c->srcH & 0x1) != 0) return NULL; - switch(c->dstFormat) { + switch (c->dstFormat) { case PIX_FMT_RGB24: av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space RGB24\n"); return altivec_yuv2_rgb24; @@ -589,143 +585,160 @@ SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c) break; case PIX_FMT_UYVY422: - switch(c->dstFormat) { + 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) +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); + 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); return; } - -static av_always_inline void -ff_yuv2packedX_altivec(SwsContext *c, const int16_t *lumFilter, - const int16_t **lumSrc, int lumFilterSize, - const int16_t *chrFilter, const int16_t **chrUSrc, - const int16_t **chrVSrc, int chrFilterSize, - const int16_t **alpSrc, uint8_t *dest, - int dstW, int dstY, enum PixelFormat target) +static av_always_inline void ff_yuv2packedX_altivec(SwsContext *c, + const int16_t *lumFilter, + const int16_t **lumSrc, + int lumFilterSize, + const int16_t *chrFilter, + const int16_t **chrUSrc, + const int16_t **chrVSrc, + int chrFilterSize, + const int16_t **alpSrc, + uint8_t *dest, + int dstW, int dstY, + enum PixelFormat target) { - 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; + 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 unsigned char R, G, B; + vector unsigned char *out, *nout; - vector signed short RND = vec_splat_s16(1<<3); + vector signed short RND = vec_splat_s16(1 << 3); vector unsigned short SCL = vec_splat_u16(4); DECLARE_ALIGNED(16, unsigned int, scratch)[16]; vector signed short *YCoeffs, *CCoeffs; - YCoeffs = c->vYCoeffsBank+dstY*lumFilterSize; - CCoeffs = c->vCCoeffsBank+dstY*chrFilterSize; + YCoeffs = c->vYCoeffsBank + dstY * lumFilterSize; + CCoeffs = c->vCCoeffsBank + dstY * chrFilterSize; - out = (vector unsigned char *)dest; + out = (vector unsigned char *) dest; - for (i=0; i<dstW; i+=16) { + 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); + 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, &chrUSrc[j][i/2]); - U = vec_mradds (X, CCoeffs[j], U); - X = vec_ld (0, &chrVSrc[j][i/2]); - V = vec_mradds (X, CCoeffs[j], V); + for (j = 0; j < chrFilterSize; j++) { + X = vec_ld(0, &chrUSrc[j][i / 2]); + U = vec_mradds(X, CCoeffs[j], U); + X = vec_ld(0, &chrVSrc[j][i / 2]); + 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_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); + 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(target) { - 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; + * 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 (target) { + 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", - av_get_pix_fmt_name(c->dstFormat)); - printed_error_message=1; - } - return; + { + /* 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", + av_get_pix_fmt_name(c->dstFormat)); + printed_error_message = 1; } + return; + } } } @@ -735,87 +748,104 @@ ff_yuv2packedX_altivec(SwsContext *c, const int16_t *lumFilter, 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); + 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, &chrUSrc[j][i/2]); - U = vec_mradds (X, CCoeffs[j], U); - X = vec_ld (0, &chrVSrc[j][i/2]); - V = vec_mradds (X, CCoeffs[j], V); + for (j = 0; j < chrFilterSize; j++) { + X = vec_ld(0, &chrUSrc[j][i / 2]); + U = vec_mradds(X, CCoeffs[j], U); + X = vec_ld(0, &chrVSrc[j][i / 2]); + 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_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); + 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(target) { - 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; + * 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 (target) { + 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", + av_log(c, AV_LOG_ERROR, + "altivec_yuv2packedX doesn't support %s output\n", av_get_pix_fmt_name(c->dstFormat)); return; } - memcpy (&((uint32_t*)dest)[i], scratch, (dstW-i)/4); + memcpy(&((uint32_t *) dest)[i], scratch, (dstW - i) / 4); } - } -#define YUV2PACKEDX_WRAPPER(suffix, pixfmt) \ -void ff_yuv2 ## suffix ## _X_altivec(SwsContext *c, const int16_t *lumFilter, \ - const int16_t **lumSrc, int lumFilterSize, \ - const int16_t *chrFilter, const int16_t **chrUSrc, \ - const int16_t **chrVSrc, int chrFilterSize, \ - const int16_t **alpSrc, uint8_t *dest, \ - int dstW, int dstY) \ -{ \ - ff_yuv2packedX_altivec(c, lumFilter, lumSrc, lumFilterSize, \ - chrFilter, chrUSrc, chrVSrc, chrFilterSize, \ - alpSrc, dest, dstW, dstY, pixfmt); \ +#define YUV2PACKEDX_WRAPPER(suffix, pixfmt) \ +void ff_yuv2 ## suffix ## _X_altivec(SwsContext *c, \ + const int16_t *lumFilter, \ + const int16_t **lumSrc, \ + int lumFilterSize, \ + const int16_t *chrFilter, \ + const int16_t **chrUSrc, \ + const int16_t **chrVSrc, \ + int chrFilterSize, \ + const int16_t **alpSrc, \ + uint8_t *dest, int dstW, int dstY) \ +{ \ + ff_yuv2packedX_altivec(c, lumFilter, lumSrc, lumFilterSize, \ + chrFilter, chrUSrc, chrVSrc, \ + chrFilterSize, alpSrc, \ + dest, dstW, dstY, pixfmt); \ } YUV2PACKEDX_WRAPPER(abgr, PIX_FMT_ABGR); |