From 0fb8cdfd14a01dac929fcf9a64df98f6a2ce7444 Mon Sep 17 00:00:00 2001 From: ramiro Date: Fri, 27 Mar 2009 22:56:56 +0000 Subject: Move bfin specific code to its subdir. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29079 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libswscale/Makefile | 4 +- libswscale/bfin/internal_bfin.S | 606 ++++++++++++++++++++++++++++++++++++++++ libswscale/bfin/swscale_bfin.c | 93 ++++++ libswscale/internal_bfin.S | 606 ---------------------------------------- libswscale/swscale_bfin.c | 93 ------ libswscale/swscale_internal.h | 1 + 6 files changed, 703 insertions(+), 700 deletions(-) create mode 100644 libswscale/bfin/internal_bfin.S create mode 100644 libswscale/bfin/swscale_bfin.c delete mode 100644 libswscale/internal_bfin.S delete mode 100644 libswscale/swscale_bfin.c (limited to 'libswscale') diff --git a/libswscale/Makefile b/libswscale/Makefile index 61f5e5a7e5..947cdfd6c2 100644 --- a/libswscale/Makefile +++ b/libswscale/Makefile @@ -7,7 +7,9 @@ HEADERS = swscale.h OBJS = rgb2rgb.o swscale.o swscale_avoption.o yuv2rgb.o -OBJS-$(ARCH_BFIN) += internal_bfin.o swscale_bfin.o bfin/yuv2rgb_bfin.o +OBJS-$(ARCH_BFIN) += bfin/internal_bfin.o \ + bfin/swscale_bfin.o \ + bfin/yuv2rgb_bfin.o OBJS-$(CONFIG_MLIB) += mlib/yuv2rgb_mlib.o OBJS-$(HAVE_ALTIVEC) += ppc/yuv2rgb_altivec.o OBJS-$(HAVE_VIS) += sparc/yuv2rgb_vis.o diff --git a/libswscale/bfin/internal_bfin.S b/libswscale/bfin/internal_bfin.S new file mode 100644 index 0000000000..fb7bda7e12 --- /dev/null +++ b/libswscale/bfin/internal_bfin.S @@ -0,0 +1,606 @@ +/* + * Copyright (C) 2007 Marc Hoffman + * April 20, 2007 + * + * Blackfin video color space converter operations + * convert I420 YV12 to RGB in various formats + * + * 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 + */ + + +/* +YUV420 to RGB565 conversion. This routine takes a YUV 420 planar macroblock +and converts it to RGB565. R:5 bits, G:6 bits, B:5 bits.. packed into shorts. + + +The following calculation is used for the conversion: + + r = clipz((y-oy)*cy + crv*(v-128)) + g = clipz((y-oy)*cy + cgv*(v-128) + cgu*(u-128)) + b = clipz((y-oy)*cy + cbu*(u-128)) + +y,u,v are prescaled by a factor of 4 i.e. left-shifted to gain precision. + + +New factorization to eliminate the truncation error which was +occurring due to the byteop3p. + + +1) Use the bytop16m to subtract quad bytes we use this in U8 this + then so the offsets need to be renormalized to 8bits. + +2) Scale operands up by a factor of 4 not 8 because Blackfin + multiplies include a shift. + +3) Compute into the accumulators cy*yx0, cy*yx1. + +4) Compute each of the linear equations: + r = clipz((y - oy) * cy + crv * (v - 128)) + + g = clipz((y - oy) * cy + cgv * (v - 128) + cgu * (u - 128)) + + b = clipz((y - oy) * cy + cbu * (u - 128)) + + Reuse of the accumulators requires that we actually multiply + twice once with addition and the second time with a subtraction. + + Because of this we need to compute the equations in the order R B + then G saving the writes for B in the case of 24/32 bit color + formats. + + API: yuv2rgb_kind (uint8_t *Y, uint8_t *U, uint8_t *V, int *out, + int dW, uint32_t *coeffs); + + A B + --- --- + i2 = cb i3 = cr + i1 = coeff i0 = y + +Where coeffs have the following layout in memory. + +uint32_t oy,oc,zero,cy,crv,rmask,cbu,bmask,cgu,cgv; + +coeffs is a pointer to oy. + +The {rgb} masks are only utilized by the 565 packing algorithm. Note the data +replication is used to simplify the internal algorithms for the dual Mac +architecture of BlackFin. + +All routines are exported with _ff_bfin_ as a symbol prefix. + +Rough performance gain compared against -O3: + +2779809/1484290 187.28% + +which translates to ~33c/pel to ~57c/pel for the reference vs 17.5 +c/pel for the optimized implementations. Not sure why there is such a +huge variation on the reference codes on Blackfin I guess it must have +to do with the memory system. +*/ + +#define mL3 .text +#ifdef __FDPIC__ +#define mL1 .l1.text +#else +#define mL1 mL3 +#endif +#define MEM mL1 + +#define DEFUN(fname,where,interface) \ + .section where; \ + .global _ff_bfin_ ## fname; \ + .type _ff_bfin_ ## fname, STT_FUNC; \ + .align 8; \ + _ff_bfin_ ## fname + +#define DEFUN_END(fname) \ + .size _ff_bfin_ ## fname, . - _ff_bfin_ ## fname + + +.text + +#define COEFF_LEN 11*4 +#define COEFF_REL_CY_OFF 4*4 + +#define ARG_OUT 20 +#define ARG_W 24 +#define ARG_COEFF 28 + +DEFUN(yuv2rgb565_line,MEM, + (uint8_t *Y, uint8_t *U, uint8_t *V, int *out, int dW, uint32_t *coeffs)): + link 0; + [--sp] = (r7:4); + p1 = [fp+ARG_OUT]; + r3 = [fp+ARG_W]; + + i0 = r0; + i2 = r1; + i3 = r2; + + r0 = [fp+ARG_COEFF]; + i1 = r0; + b1 = i1; + l1 = COEFF_LEN; + m0 = COEFF_REL_CY_OFF; + p0 = r3; + + r0 = [i0++]; // 2Y + r1.l = w[i2++]; // 2u + r1.h = w[i3++]; // 2v + p0 = p0>>2; + + lsetup (.L0565, .L1565) lc0 = p0; + + /* + uint32_t oy,oc,zero,cy,crv,rmask,cbu,bmask,cgu,cgv + r0 -- used to load 4ys + r1 -- used to load 2us,2vs + r4 -- y3,y2 + r5 -- y1,y0 + r6 -- u1,u0 + r7 -- v1,v0 + */ + r2=[i1++]; // oy +.L0565: + /* + rrrrrrrr gggggggg bbbbbbbb + 5432109876543210 + bbbbb >>3 + gggggggg <<3 + rrrrrrrr <<8 + rrrrrggggggbbbbb + */ + (r4,r5) = byteop16m (r1:0, r3:2) || r3=[i1++]; // oc + (r7,r6) = byteop16m (r1:0, r3:2) (r); + r5 = r5 << 2 (v); // y1,y0 + r4 = r4 << 2 (v); // y3,y2 + r6 = r6 << 2 (v) || r0=[i1++]; // u1,u0, r0=zero + r7 = r7 << 2 (v) || r1=[i1++]; // v1,v0 r1=cy + /* Y' = y*cy */ + a1 = r1.h*r5.h, a0 = r1.l*r5.l || r1=[i1++]; // crv + + /* R = Y+ crv*(Cr-128) */ + r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l); + a1 -= r1.h*r7.l, a0 -= r1.l*r7.l || r5=[i1++]; // rmask + r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu + r2 = r2 >> 3 (v); + r3 = r2 & r5; + + /* B = Y+ cbu*(Cb-128) */ + r2.h = (a1 += r1.h*r6.l), r2.l = (a0 += r1.l*r6.l); + a1 -= r1.h*r6.l, a0 -= r1.l*r6.l || r5=[i1++]; // bmask + r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu + r2 = r2 << 8 (v); + r2 = r2 & r5; + r3 = r3 | r2; + + /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */ + a1 += r1.h*r6.l, a0 += r1.l*r6.l || r1=[i1++]; // cgv + r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l); + r2 = byteop3p(r3:2, r1:0)(LO) || r5=[i1++m0]; // gmask + r2 = r2 << 3 (v); + r2 = r2 & r5; + r3 = r3 | r2; + [p1++]=r3 || r1=[i1++]; // cy + + /* Y' = y*cy */ + + a1 = r1.h*r4.h, a0 = r1.l*r4.l || r1=[i1++]; // crv + + /* R = Y+ crv*(Cr-128) */ + r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h); + a1 -= r1.h*r7.h, a0 -= r1.l*r7.h || r5=[i1++]; // rmask + r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu + r2 = r2 >> 3 (v); + r3 = r2 & r5; + + /* B = Y+ cbu*(Cb-128) */ + r2.h = (a1 += r1.h*r6.h), r2.l = (a0 += r1.l*r6.h); + a1 -= r1.h*r6.h, a0 -= r1.l*r6.h || r5=[i1++]; // bmask + r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu + r2 = r2 << 8 (v); + r2 = r2 & r5; + r3 = r3 | r2; + + /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */ + a1 += r1.h*r6.h, a0 += r1.l*r6.h || r1=[i1++]; // cgv + r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h) || r5=[i1++]; // gmask + r2 = byteop3p(r3:2, r1:0)(LO) || r0 = [i0++]; // 2Y + r2 = r2 << 3 (v) || r1.l = w[i2++]; // 2u + r2 = r2 & r5; + r3 = r3 | r2; + [p1++]=r3 || r1.h = w[i3++]; // 2v +.L1565: r2=[i1++]; // oy + + l1 = 0; + + (r7:4) = [sp++]; + unlink; + rts; +DEFUN_END(yuv2rgb565_line) + +DEFUN(yuv2rgb555_line,MEM, + (uint8_t *Y, uint8_t *U, uint8_t *V, int *out, int dW, uint32_t *coeffs)): + link 0; + [--sp] = (r7:4); + p1 = [fp+ARG_OUT]; + r3 = [fp+ARG_W]; + + i0 = r0; + i2 = r1; + i3 = r2; + + r0 = [fp+ARG_COEFF]; + i1 = r0; + b1 = i1; + l1 = COEFF_LEN; + m0 = COEFF_REL_CY_OFF; + p0 = r3; + + r0 = [i0++]; // 2Y + r1.l = w[i2++]; // 2u + r1.h = w[i3++]; // 2v + p0 = p0>>2; + + lsetup (.L0555, .L1555) lc0 = p0; + + /* + uint32_t oy,oc,zero,cy,crv,rmask,cbu,bmask,cgu,cgv + r0 -- used to load 4ys + r1 -- used to load 2us,2vs + r4 -- y3,y2 + r5 -- y1,y0 + r6 -- u1,u0 + r7 -- v1,v0 + */ + r2=[i1++]; // oy +.L0555: + /* + rrrrrrrr gggggggg bbbbbbbb + 5432109876543210 + bbbbb >>3 + gggggggg <<2 + rrrrrrrr <<7 + xrrrrrgggggbbbbb + */ + + (r4,r5) = byteop16m (r1:0, r3:2) || r3=[i1++]; // oc + (r7,r6) = byteop16m (r1:0, r3:2) (r); + r5 = r5 << 2 (v); // y1,y0 + r4 = r4 << 2 (v); // y3,y2 + r6 = r6 << 2 (v) || r0=[i1++]; // u1,u0, r0=zero + r7 = r7 << 2 (v) || r1=[i1++]; // v1,v0 r1=cy + /* Y' = y*cy */ + a1 = r1.h*r5.h, a0 = r1.l*r5.l || r1=[i1++]; // crv + + /* R = Y+ crv*(Cr-128) */ + r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l); + a1 -= r1.h*r7.l, a0 -= r1.l*r7.l || r5=[i1++]; // rmask + r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu + r2 = r2 >> 3 (v); + r3 = r2 & r5; + + /* B = Y+ cbu*(Cb-128) */ + r2.h = (a1 += r1.h*r6.l), r2.l = (a0 += r1.l*r6.l); + a1 -= r1.h*r6.l, a0 -= r1.l*r6.l || r5=[i1++]; // bmask + r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu + r2 = r2 << 7 (v); + r2 = r2 & r5; + r3 = r3 | r2; + + /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */ + a1 += r1.h*r6.l, a0 += r1.l*r6.l || r1=[i1++]; // cgv + r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l); + r2 = byteop3p(r3:2, r1:0)(LO) || r5=[i1++m0]; // gmask + r2 = r2 << 2 (v); + r2 = r2 & r5; + r3 = r3 | r2; + [p1++]=r3 || r1=[i1++]; // cy + + /* Y' = y*cy */ + + a1 = r1.h*r4.h, a0 = r1.l*r4.l || r1=[i1++]; // crv + + /* R = Y+ crv*(Cr-128) */ + r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h); + a1 -= r1.h*r7.h, a0 -= r1.l*r7.h || r5=[i1++]; // rmask + r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu + r2 = r2 >> 3 (v); + r3 = r2 & r5; + + /* B = Y+ cbu*(Cb-128) */ + r2.h = (a1 += r1.h*r6.h), r2.l = (a0 += r1.l*r6.h); + a1 -= r1.h*r6.h, a0 -= r1.l*r6.h || r5=[i1++]; // bmask + r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu + r2 = r2 << 7 (v); + r2 = r2 & r5; + r3 = r3 | r2; + + /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */ + a1 += r1.h*r6.h, a0 += r1.l*r6.h || r1=[i1++]; // cgv + r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h) || r5=[i1++]; // gmask + r2 = byteop3p(r3:2, r1:0)(LO) || r0=[i0++]; // 4Y + r2 = r2 << 2 (v) || r1.l=w[i2++]; // 2u + r2 = r2 & r5; + r3 = r3 | r2; + [p1++]=r3 || r1.h=w[i3++]; // 2v + +.L1555: r2=[i1++]; // oy + + l1 = 0; + + (r7:4) = [sp++]; + unlink; + rts; +DEFUN_END(yuv2rgb555_line) + +DEFUN(yuv2rgb24_line,MEM, + (uint8_t *Y, uint8_t *U, uint8_t *V, int *out, int dW, uint32_t *coeffs)): + link 0; + [--sp] = (r7:4); + p1 = [fp+ARG_OUT]; + r3 = [fp+ARG_W]; + p2 = p1; + p2 += 3; + + i0 = r0; + i2 = r1; + i3 = r2; + + r0 = [fp+ARG_COEFF]; // coeff buffer + i1 = r0; + b1 = i1; + l1 = COEFF_LEN; + m0 = COEFF_REL_CY_OFF; + p0 = r3; + + r0 = [i0++]; // 2Y + r1.l = w[i2++]; // 2u + r1.h = w[i3++]; // 2v + p0 = p0>>2; + + lsetup (.L0888, .L1888) lc0 = p0; + + /* + uint32_t oy,oc,zero,cy,crv,rmask,cbu,bmask,cgu,cgv + r0 -- used to load 4ys + r1 -- used to load 2us,2vs + r4 -- y3,y2 + r5 -- y1,y0 + r6 -- u1,u0 + r7 -- v1,v0 + */ + r2=[i1++]; // oy +.L0888: + (r4,r5) = byteop16m (r1:0, r3:2) || r3=[i1++]; // oc + (r7,r6) = byteop16m (r1:0, r3:2) (r); + r5 = r5 << 2 (v); // y1,y0 + r4 = r4 << 2 (v); // y3,y2 + r6 = r6 << 2 (v) || r0=[i1++]; // u1,u0, r0=zero + r7 = r7 << 2 (v) || r1=[i1++]; // v1,v0 r1=cy + + /* Y' = y*cy */ + a1 = r1.h*r5.h, a0 = r1.l*r5.l || r1=[i1++]; // crv + + /* R = Y+ crv*(Cr-128) */ + r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l); + a1 -= r1.h*r7.l, a0 -= r1.l*r7.l || r5=[i1++]; // rmask + r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu + r2=r2>>16 || B[p1++]=r2; + B[p2++]=r2; + + /* B = Y+ cbu*(Cb-128) */ + r2.h = (a1 += r1.h*r6.l), r2.l = (a0 += r1.l*r6.l); + a1 -= r1.h*r6.l, a0 -= r1.l*r6.l || r5=[i1++]; // bmask + r3 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu + + /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */ + a1 += r1.h*r6.l, a0 += r1.l*r6.l || r1=[i1++]; // cgv + r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l); + r2 = byteop3p(r3:2, r1:0)(LO) || r5=[i1++m0]; // gmask, oy,cy,zero + + r2=r2>>16 || B[p1++]=r2; + B[p2++]=r2; + + r3=r3>>16 || B[p1++]=r3; + B[p2++]=r3 || r1=[i1++]; // cy + + p1+=3; + p2+=3; + /* Y' = y*cy */ + a1 = r1.h*r4.h, a0 = r1.l*r4.l || r1=[i1++]; // crv + + /* R = Y+ crv*(Cr-128) */ + r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h); + a1 -= r1.h*r7.h, a0 -= r1.l*r7.h || r5=[i1++]; // rmask + r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu + r2=r2>>16 || B[p1++]=r2; + B[p2++]=r2; + + /* B = Y+ cbu*(Cb-128) */ + r2.h = (a1 += r1.h*r6.h), r2.l = (a0 += r1.l*r6.h); + a1 -= r1.h*r6.h, a0 -= r1.l*r6.h || r5=[i1++]; // bmask + r3 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu + + /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */ + a1 += r1.h*r6.h, a0 += r1.l*r6.h || r1=[i1++]; // cgv + r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h); + r2 = byteop3p(r3:2, r1:0)(LO) || r5=[i1++]; // gmask + r2=r2>>16 || B[p1++]=r2 || r0 = [i0++]; // 4y + B[p2++]=r2 || r1.l = w[i2++]; // 2u + r3=r3>>16 || B[p1++]=r3 || r1.h = w[i3++]; // 2v + B[p2++]=r3 || r2=[i1++]; // oy + + p1+=3; +.L1888: p2+=3; + + l1 = 0; + + (r7:4) = [sp++]; + unlink; + rts; +DEFUN_END(yuv2rgb24_line) + + + +#define ARG_vdst 20 +#define ARG_width 24 +#define ARG_height 28 +#define ARG_lumStride 32 +#define ARG_chromStride 36 +#define ARG_srcStride 40 + +DEFUN(uyvytoyv12, mL3, (const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, + long width, long height, + long lumStride, long chromStride, long srcStride)): + link 0; + [--sp] = (r7:4,p5:4); + + p0 = r1; // Y top even + + i2 = r2; // *u + r2 = [fp + ARG_vdst]; + i3 = r2; // *v + + r1 = [fp + ARG_srcStride]; + r2 = r0 + r1; + r1 += -8; // i0,i1 is pre read need to correct + m0 = r1; + + i0 = r0; // uyvy_T even + i1 = r2; // uyvy_B odd + + p2 = [fp + ARG_lumStride]; + p1 = p0 + p2; // Y bot odd + + p5 = [fp + ARG_width]; + p4 = [fp + ARG_height]; + r0 = p5; + p4 = p4 >> 1; + p5 = p5 >> 2; + + r2 = [fp + ARG_chromStride]; + r0 = r0 >> 1; + r2 = r2 - r0; + m1 = r2; + + /* I0,I1 - src input line pointers + * p0,p1 - luma output line pointers + * I2 - dstU + * I3 - dstV + */ + + lsetup (0f, 1f) lc1 = p4; // H/2 +0: r0 = [i0++] || r2 = [i1++]; + r1 = [i0++] || r3 = [i1++]; + r4 = byteop1p(r1:0, r3:2); + r5 = byteop1p(r1:0, r3:2) (r); + lsetup (2f, 3f) lc0 = p5; // W/4 +2: r0 = r0 >> 8(v); + r1 = r1 >> 8(v); + r2 = r2 >> 8(v); + r3 = r3 >> 8(v); + r0 = bytepack(r0, r1); + r2 = bytepack(r2, r3) || [p0++] = r0; // yyyy + r6 = pack(r5.l, r4.l) || [p1++] = r2; // yyyy + r7 = pack(r5.h, r4.h) || r0 = [i0++] || r2 = [i1++]; + r6 = bytepack(r6, r7) || r1 = [i0++] || r3 = [i1++]; + r4 = byteop1p(r1:0, r3:2) || w[i2++] = r6.l; // uu +3: r5 = byteop1p(r1:0, r3:2) (r) || w[i3++] = r6.h; // vv + + i0 += m0; + i1 += m0; + i2 += m1; + i3 += m1; + p0 = p0 + p2; +1: p1 = p1 + p2; + + (r7:4,p5:4) = [sp++]; + unlink; + rts; +DEFUN_END(uyvytoyv12) + +DEFUN(yuyvtoyv12, mL3, (const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, + long width, long height, + long lumStride, long chromStride, long srcStride)): + link 0; + [--sp] = (r7:4,p5:4); + + p0 = r1; // Y top even + + i2 = r2; // *u + r2 = [fp + ARG_vdst]; + i3 = r2; // *v + + r1 = [fp + ARG_srcStride]; + r2 = r0 + r1; + r1 += -8; // i0,i1 is pre read need to correct + m0 = r1; + + i0 = r0; // uyvy_T even + i1 = r2; // uyvy_B odd + + p2 = [fp + ARG_lumStride]; + p1 = p0 + p2; // Y bot odd + + p5 = [fp + ARG_width]; + p4 = [fp + ARG_height]; + r0 = p5; + p4 = p4 >> 1; + p5 = p5 >> 2; + + r2 = [fp + ARG_chromStride]; + r0 = r0 >> 1; + r2 = r2 - r0; + m1 = r2; + + /* I0,I1 - src input line pointers + * p0,p1 - luma output line pointers + * I2 - dstU + * I3 - dstV + */ + + lsetup (0f, 1f) lc1 = p4; // H/2 +0: r0 = [i0++] || r2 = [i1++]; + r1 = [i0++] || r3 = [i1++]; + r4 = bytepack(r0, r1); + r5 = bytepack(r2, r3); + lsetup (2f, 3f) lc0 = p5; // W/4 +2: r0 = r0 >> 8(v) || [p0++] = r4; // yyyy-even + r1 = r1 >> 8(v) || [p1++] = r5; // yyyy-odd + r2 = r2 >> 8(v); + r3 = r3 >> 8(v); + r4 = byteop1p(r1:0, r3:2); + r5 = byteop1p(r1:0, r3:2) (r); + r6 = pack(r5.l, r4.l); + r7 = pack(r5.h, r4.h) || r0 = [i0++] || r2 = [i1++]; + r6 = bytepack(r6, r7) || r1 = [i0++] || r3 = [i1++]; + r4 = bytepack(r0, r1) || w[i2++] = r6.l; // uu +3: r5 = bytepack(r2, r3) || w[i3++] = r6.h; // vv + + i0 += m0; + i1 += m0; + i2 += m1; + i3 += m1; + p0 = p0 + p2; +1: p1 = p1 + p2; + + (r7:4,p5:4) = [sp++]; + unlink; + rts; +DEFUN_END(yuyvtoyv12) diff --git a/libswscale/bfin/swscale_bfin.c b/libswscale/bfin/swscale_bfin.c new file mode 100644 index 0000000000..2ad81d847d --- /dev/null +++ b/libswscale/bfin/swscale_bfin.c @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2007 Marc Hoffman + * + * Blackfin software video scaler operations + * + * 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 + */ + +#include +#include +#include +#include +#include +#include "config.h" +#include +#include "libswscale/rgb2rgb.h" +#include "libswscale/swscale.h" +#include "libswscale/swscale_internal.h" + +#ifdef __FDPIC__ +#define L1CODE __attribute__ ((l1_text)) +#else +#define L1CODE +#endif + +int ff_bfin_uyvytoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, + long width, long height, + long lumStride, long chromStride, long srcStride) L1CODE; + +int ff_bfin_yuyvtoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, + long width, long height, + long lumStride, long chromStride, long srcStride) L1CODE; + +static int uyvytoyv12_unscaled(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dst[], int dstStride[]) +{ + uint8_t *dsty = dst[0] + dstStride[0]*srcSliceY; + uint8_t *dstu = dst[1] + dstStride[1]*srcSliceY/2; + uint8_t *dstv = dst[2] + dstStride[2]*srcSliceY/2; + uint8_t *ip = src[0] + srcStride[0]*srcSliceY; + int w = dstStride[0]; + + ff_bfin_uyvytoyv12(ip, dsty, dstu, dstv, w, srcSliceH, + dstStride[0], dstStride[1], srcStride[0]); + + return srcSliceH; +} + +static int yuyvtoyv12_unscaled(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dst[], int dstStride[]) +{ + uint8_t *dsty = dst[0] + dstStride[0]*srcSliceY; + uint8_t *dstu = dst[1] + dstStride[1]*srcSliceY/2; + uint8_t *dstv = dst[2] + dstStride[2]*srcSliceY/2; + uint8_t *ip = src[0] + srcStride[0]*srcSliceY; + int w = dstStride[0]; + + ff_bfin_yuyvtoyv12(ip, dsty, dstu, dstv, w, srcSliceH, + dstStride[0], dstStride[1], srcStride[0]); + + return srcSliceH; +} + + +void ff_bfin_get_unscaled_swscale(SwsContext *c) +{ + SwsFunc swScale = c->swScale; + if (c->flags & SWS_CPU_CAPS_BFIN) + if (c->dstFormat == PIX_FMT_YUV420P) + if (c->srcFormat == PIX_FMT_UYVY422) { + av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized uyvytoyv12_unscaled\n"); + c->swScale = uyvytoyv12_unscaled; + } + if (c->dstFormat == PIX_FMT_YUV420P) + if (c->srcFormat == PIX_FMT_YUYV422) { + av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized yuyvtoyv12_unscaled\n"); + c->swScale = yuyvtoyv12_unscaled; + } +} diff --git a/libswscale/internal_bfin.S b/libswscale/internal_bfin.S deleted file mode 100644 index fb7bda7e12..0000000000 --- a/libswscale/internal_bfin.S +++ /dev/null @@ -1,606 +0,0 @@ -/* - * Copyright (C) 2007 Marc Hoffman - * April 20, 2007 - * - * Blackfin video color space converter operations - * convert I420 YV12 to RGB in various formats - * - * 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 - */ - - -/* -YUV420 to RGB565 conversion. This routine takes a YUV 420 planar macroblock -and converts it to RGB565. R:5 bits, G:6 bits, B:5 bits.. packed into shorts. - - -The following calculation is used for the conversion: - - r = clipz((y-oy)*cy + crv*(v-128)) - g = clipz((y-oy)*cy + cgv*(v-128) + cgu*(u-128)) - b = clipz((y-oy)*cy + cbu*(u-128)) - -y,u,v are prescaled by a factor of 4 i.e. left-shifted to gain precision. - - -New factorization to eliminate the truncation error which was -occurring due to the byteop3p. - - -1) Use the bytop16m to subtract quad bytes we use this in U8 this - then so the offsets need to be renormalized to 8bits. - -2) Scale operands up by a factor of 4 not 8 because Blackfin - multiplies include a shift. - -3) Compute into the accumulators cy*yx0, cy*yx1. - -4) Compute each of the linear equations: - r = clipz((y - oy) * cy + crv * (v - 128)) - - g = clipz((y - oy) * cy + cgv * (v - 128) + cgu * (u - 128)) - - b = clipz((y - oy) * cy + cbu * (u - 128)) - - Reuse of the accumulators requires that we actually multiply - twice once with addition and the second time with a subtraction. - - Because of this we need to compute the equations in the order R B - then G saving the writes for B in the case of 24/32 bit color - formats. - - API: yuv2rgb_kind (uint8_t *Y, uint8_t *U, uint8_t *V, int *out, - int dW, uint32_t *coeffs); - - A B - --- --- - i2 = cb i3 = cr - i1 = coeff i0 = y - -Where coeffs have the following layout in memory. - -uint32_t oy,oc,zero,cy,crv,rmask,cbu,bmask,cgu,cgv; - -coeffs is a pointer to oy. - -The {rgb} masks are only utilized by the 565 packing algorithm. Note the data -replication is used to simplify the internal algorithms for the dual Mac -architecture of BlackFin. - -All routines are exported with _ff_bfin_ as a symbol prefix. - -Rough performance gain compared against -O3: - -2779809/1484290 187.28% - -which translates to ~33c/pel to ~57c/pel for the reference vs 17.5 -c/pel for the optimized implementations. Not sure why there is such a -huge variation on the reference codes on Blackfin I guess it must have -to do with the memory system. -*/ - -#define mL3 .text -#ifdef __FDPIC__ -#define mL1 .l1.text -#else -#define mL1 mL3 -#endif -#define MEM mL1 - -#define DEFUN(fname,where,interface) \ - .section where; \ - .global _ff_bfin_ ## fname; \ - .type _ff_bfin_ ## fname, STT_FUNC; \ - .align 8; \ - _ff_bfin_ ## fname - -#define DEFUN_END(fname) \ - .size _ff_bfin_ ## fname, . - _ff_bfin_ ## fname - - -.text - -#define COEFF_LEN 11*4 -#define COEFF_REL_CY_OFF 4*4 - -#define ARG_OUT 20 -#define ARG_W 24 -#define ARG_COEFF 28 - -DEFUN(yuv2rgb565_line,MEM, - (uint8_t *Y, uint8_t *U, uint8_t *V, int *out, int dW, uint32_t *coeffs)): - link 0; - [--sp] = (r7:4); - p1 = [fp+ARG_OUT]; - r3 = [fp+ARG_W]; - - i0 = r0; - i2 = r1; - i3 = r2; - - r0 = [fp+ARG_COEFF]; - i1 = r0; - b1 = i1; - l1 = COEFF_LEN; - m0 = COEFF_REL_CY_OFF; - p0 = r3; - - r0 = [i0++]; // 2Y - r1.l = w[i2++]; // 2u - r1.h = w[i3++]; // 2v - p0 = p0>>2; - - lsetup (.L0565, .L1565) lc0 = p0; - - /* - uint32_t oy,oc,zero,cy,crv,rmask,cbu,bmask,cgu,cgv - r0 -- used to load 4ys - r1 -- used to load 2us,2vs - r4 -- y3,y2 - r5 -- y1,y0 - r6 -- u1,u0 - r7 -- v1,v0 - */ - r2=[i1++]; // oy -.L0565: - /* - rrrrrrrr gggggggg bbbbbbbb - 5432109876543210 - bbbbb >>3 - gggggggg <<3 - rrrrrrrr <<8 - rrrrrggggggbbbbb - */ - (r4,r5) = byteop16m (r1:0, r3:2) || r3=[i1++]; // oc - (r7,r6) = byteop16m (r1:0, r3:2) (r); - r5 = r5 << 2 (v); // y1,y0 - r4 = r4 << 2 (v); // y3,y2 - r6 = r6 << 2 (v) || r0=[i1++]; // u1,u0, r0=zero - r7 = r7 << 2 (v) || r1=[i1++]; // v1,v0 r1=cy - /* Y' = y*cy */ - a1 = r1.h*r5.h, a0 = r1.l*r5.l || r1=[i1++]; // crv - - /* R = Y+ crv*(Cr-128) */ - r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l); - a1 -= r1.h*r7.l, a0 -= r1.l*r7.l || r5=[i1++]; // rmask - r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu - r2 = r2 >> 3 (v); - r3 = r2 & r5; - - /* B = Y+ cbu*(Cb-128) */ - r2.h = (a1 += r1.h*r6.l), r2.l = (a0 += r1.l*r6.l); - a1 -= r1.h*r6.l, a0 -= r1.l*r6.l || r5=[i1++]; // bmask - r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu - r2 = r2 << 8 (v); - r2 = r2 & r5; - r3 = r3 | r2; - - /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */ - a1 += r1.h*r6.l, a0 += r1.l*r6.l || r1=[i1++]; // cgv - r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l); - r2 = byteop3p(r3:2, r1:0)(LO) || r5=[i1++m0]; // gmask - r2 = r2 << 3 (v); - r2 = r2 & r5; - r3 = r3 | r2; - [p1++]=r3 || r1=[i1++]; // cy - - /* Y' = y*cy */ - - a1 = r1.h*r4.h, a0 = r1.l*r4.l || r1=[i1++]; // crv - - /* R = Y+ crv*(Cr-128) */ - r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h); - a1 -= r1.h*r7.h, a0 -= r1.l*r7.h || r5=[i1++]; // rmask - r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu - r2 = r2 >> 3 (v); - r3 = r2 & r5; - - /* B = Y+ cbu*(Cb-128) */ - r2.h = (a1 += r1.h*r6.h), r2.l = (a0 += r1.l*r6.h); - a1 -= r1.h*r6.h, a0 -= r1.l*r6.h || r5=[i1++]; // bmask - r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu - r2 = r2 << 8 (v); - r2 = r2 & r5; - r3 = r3 | r2; - - /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */ - a1 += r1.h*r6.h, a0 += r1.l*r6.h || r1=[i1++]; // cgv - r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h) || r5=[i1++]; // gmask - r2 = byteop3p(r3:2, r1:0)(LO) || r0 = [i0++]; // 2Y - r2 = r2 << 3 (v) || r1.l = w[i2++]; // 2u - r2 = r2 & r5; - r3 = r3 | r2; - [p1++]=r3 || r1.h = w[i3++]; // 2v -.L1565: r2=[i1++]; // oy - - l1 = 0; - - (r7:4) = [sp++]; - unlink; - rts; -DEFUN_END(yuv2rgb565_line) - -DEFUN(yuv2rgb555_line,MEM, - (uint8_t *Y, uint8_t *U, uint8_t *V, int *out, int dW, uint32_t *coeffs)): - link 0; - [--sp] = (r7:4); - p1 = [fp+ARG_OUT]; - r3 = [fp+ARG_W]; - - i0 = r0; - i2 = r1; - i3 = r2; - - r0 = [fp+ARG_COEFF]; - i1 = r0; - b1 = i1; - l1 = COEFF_LEN; - m0 = COEFF_REL_CY_OFF; - p0 = r3; - - r0 = [i0++]; // 2Y - r1.l = w[i2++]; // 2u - r1.h = w[i3++]; // 2v - p0 = p0>>2; - - lsetup (.L0555, .L1555) lc0 = p0; - - /* - uint32_t oy,oc,zero,cy,crv,rmask,cbu,bmask,cgu,cgv - r0 -- used to load 4ys - r1 -- used to load 2us,2vs - r4 -- y3,y2 - r5 -- y1,y0 - r6 -- u1,u0 - r7 -- v1,v0 - */ - r2=[i1++]; // oy -.L0555: - /* - rrrrrrrr gggggggg bbbbbbbb - 5432109876543210 - bbbbb >>3 - gggggggg <<2 - rrrrrrrr <<7 - xrrrrrgggggbbbbb - */ - - (r4,r5) = byteop16m (r1:0, r3:2) || r3=[i1++]; // oc - (r7,r6) = byteop16m (r1:0, r3:2) (r); - r5 = r5 << 2 (v); // y1,y0 - r4 = r4 << 2 (v); // y3,y2 - r6 = r6 << 2 (v) || r0=[i1++]; // u1,u0, r0=zero - r7 = r7 << 2 (v) || r1=[i1++]; // v1,v0 r1=cy - /* Y' = y*cy */ - a1 = r1.h*r5.h, a0 = r1.l*r5.l || r1=[i1++]; // crv - - /* R = Y+ crv*(Cr-128) */ - r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l); - a1 -= r1.h*r7.l, a0 -= r1.l*r7.l || r5=[i1++]; // rmask - r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu - r2 = r2 >> 3 (v); - r3 = r2 & r5; - - /* B = Y+ cbu*(Cb-128) */ - r2.h = (a1 += r1.h*r6.l), r2.l = (a0 += r1.l*r6.l); - a1 -= r1.h*r6.l, a0 -= r1.l*r6.l || r5=[i1++]; // bmask - r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu - r2 = r2 << 7 (v); - r2 = r2 & r5; - r3 = r3 | r2; - - /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */ - a1 += r1.h*r6.l, a0 += r1.l*r6.l || r1=[i1++]; // cgv - r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l); - r2 = byteop3p(r3:2, r1:0)(LO) || r5=[i1++m0]; // gmask - r2 = r2 << 2 (v); - r2 = r2 & r5; - r3 = r3 | r2; - [p1++]=r3 || r1=[i1++]; // cy - - /* Y' = y*cy */ - - a1 = r1.h*r4.h, a0 = r1.l*r4.l || r1=[i1++]; // crv - - /* R = Y+ crv*(Cr-128) */ - r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h); - a1 -= r1.h*r7.h, a0 -= r1.l*r7.h || r5=[i1++]; // rmask - r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu - r2 = r2 >> 3 (v); - r3 = r2 & r5; - - /* B = Y+ cbu*(Cb-128) */ - r2.h = (a1 += r1.h*r6.h), r2.l = (a0 += r1.l*r6.h); - a1 -= r1.h*r6.h, a0 -= r1.l*r6.h || r5=[i1++]; // bmask - r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu - r2 = r2 << 7 (v); - r2 = r2 & r5; - r3 = r3 | r2; - - /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */ - a1 += r1.h*r6.h, a0 += r1.l*r6.h || r1=[i1++]; // cgv - r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h) || r5=[i1++]; // gmask - r2 = byteop3p(r3:2, r1:0)(LO) || r0=[i0++]; // 4Y - r2 = r2 << 2 (v) || r1.l=w[i2++]; // 2u - r2 = r2 & r5; - r3 = r3 | r2; - [p1++]=r3 || r1.h=w[i3++]; // 2v - -.L1555: r2=[i1++]; // oy - - l1 = 0; - - (r7:4) = [sp++]; - unlink; - rts; -DEFUN_END(yuv2rgb555_line) - -DEFUN(yuv2rgb24_line,MEM, - (uint8_t *Y, uint8_t *U, uint8_t *V, int *out, int dW, uint32_t *coeffs)): - link 0; - [--sp] = (r7:4); - p1 = [fp+ARG_OUT]; - r3 = [fp+ARG_W]; - p2 = p1; - p2 += 3; - - i0 = r0; - i2 = r1; - i3 = r2; - - r0 = [fp+ARG_COEFF]; // coeff buffer - i1 = r0; - b1 = i1; - l1 = COEFF_LEN; - m0 = COEFF_REL_CY_OFF; - p0 = r3; - - r0 = [i0++]; // 2Y - r1.l = w[i2++]; // 2u - r1.h = w[i3++]; // 2v - p0 = p0>>2; - - lsetup (.L0888, .L1888) lc0 = p0; - - /* - uint32_t oy,oc,zero,cy,crv,rmask,cbu,bmask,cgu,cgv - r0 -- used to load 4ys - r1 -- used to load 2us,2vs - r4 -- y3,y2 - r5 -- y1,y0 - r6 -- u1,u0 - r7 -- v1,v0 - */ - r2=[i1++]; // oy -.L0888: - (r4,r5) = byteop16m (r1:0, r3:2) || r3=[i1++]; // oc - (r7,r6) = byteop16m (r1:0, r3:2) (r); - r5 = r5 << 2 (v); // y1,y0 - r4 = r4 << 2 (v); // y3,y2 - r6 = r6 << 2 (v) || r0=[i1++]; // u1,u0, r0=zero - r7 = r7 << 2 (v) || r1=[i1++]; // v1,v0 r1=cy - - /* Y' = y*cy */ - a1 = r1.h*r5.h, a0 = r1.l*r5.l || r1=[i1++]; // crv - - /* R = Y+ crv*(Cr-128) */ - r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l); - a1 -= r1.h*r7.l, a0 -= r1.l*r7.l || r5=[i1++]; // rmask - r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu - r2=r2>>16 || B[p1++]=r2; - B[p2++]=r2; - - /* B = Y+ cbu*(Cb-128) */ - r2.h = (a1 += r1.h*r6.l), r2.l = (a0 += r1.l*r6.l); - a1 -= r1.h*r6.l, a0 -= r1.l*r6.l || r5=[i1++]; // bmask - r3 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu - - /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */ - a1 += r1.h*r6.l, a0 += r1.l*r6.l || r1=[i1++]; // cgv - r2.h = (a1 += r1.h*r7.l), r2.l = (a0 += r1.l*r7.l); - r2 = byteop3p(r3:2, r1:0)(LO) || r5=[i1++m0]; // gmask, oy,cy,zero - - r2=r2>>16 || B[p1++]=r2; - B[p2++]=r2; - - r3=r3>>16 || B[p1++]=r3; - B[p2++]=r3 || r1=[i1++]; // cy - - p1+=3; - p2+=3; - /* Y' = y*cy */ - a1 = r1.h*r4.h, a0 = r1.l*r4.l || r1=[i1++]; // crv - - /* R = Y+ crv*(Cr-128) */ - r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h); - a1 -= r1.h*r7.h, a0 -= r1.l*r7.h || r5=[i1++]; // rmask - r2 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cbu - r2=r2>>16 || B[p1++]=r2; - B[p2++]=r2; - - /* B = Y+ cbu*(Cb-128) */ - r2.h = (a1 += r1.h*r6.h), r2.l = (a0 += r1.l*r6.h); - a1 -= r1.h*r6.h, a0 -= r1.l*r6.h || r5=[i1++]; // bmask - r3 = byteop3p(r3:2, r1:0)(LO) || r1=[i1++]; // cgu - - /* G = Y+ cgu*(Cb-128)+cgv*(Cr-128) */ - a1 += r1.h*r6.h, a0 += r1.l*r6.h || r1=[i1++]; // cgv - r2.h = (a1 += r1.h*r7.h), r2.l = (a0 += r1.l*r7.h); - r2 = byteop3p(r3:2, r1:0)(LO) || r5=[i1++]; // gmask - r2=r2>>16 || B[p1++]=r2 || r0 = [i0++]; // 4y - B[p2++]=r2 || r1.l = w[i2++]; // 2u - r3=r3>>16 || B[p1++]=r3 || r1.h = w[i3++]; // 2v - B[p2++]=r3 || r2=[i1++]; // oy - - p1+=3; -.L1888: p2+=3; - - l1 = 0; - - (r7:4) = [sp++]; - unlink; - rts; -DEFUN_END(yuv2rgb24_line) - - - -#define ARG_vdst 20 -#define ARG_width 24 -#define ARG_height 28 -#define ARG_lumStride 32 -#define ARG_chromStride 36 -#define ARG_srcStride 40 - -DEFUN(uyvytoyv12, mL3, (const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, - long width, long height, - long lumStride, long chromStride, long srcStride)): - link 0; - [--sp] = (r7:4,p5:4); - - p0 = r1; // Y top even - - i2 = r2; // *u - r2 = [fp + ARG_vdst]; - i3 = r2; // *v - - r1 = [fp + ARG_srcStride]; - r2 = r0 + r1; - r1 += -8; // i0,i1 is pre read need to correct - m0 = r1; - - i0 = r0; // uyvy_T even - i1 = r2; // uyvy_B odd - - p2 = [fp + ARG_lumStride]; - p1 = p0 + p2; // Y bot odd - - p5 = [fp + ARG_width]; - p4 = [fp + ARG_height]; - r0 = p5; - p4 = p4 >> 1; - p5 = p5 >> 2; - - r2 = [fp + ARG_chromStride]; - r0 = r0 >> 1; - r2 = r2 - r0; - m1 = r2; - - /* I0,I1 - src input line pointers - * p0,p1 - luma output line pointers - * I2 - dstU - * I3 - dstV - */ - - lsetup (0f, 1f) lc1 = p4; // H/2 -0: r0 = [i0++] || r2 = [i1++]; - r1 = [i0++] || r3 = [i1++]; - r4 = byteop1p(r1:0, r3:2); - r5 = byteop1p(r1:0, r3:2) (r); - lsetup (2f, 3f) lc0 = p5; // W/4 -2: r0 = r0 >> 8(v); - r1 = r1 >> 8(v); - r2 = r2 >> 8(v); - r3 = r3 >> 8(v); - r0 = bytepack(r0, r1); - r2 = bytepack(r2, r3) || [p0++] = r0; // yyyy - r6 = pack(r5.l, r4.l) || [p1++] = r2; // yyyy - r7 = pack(r5.h, r4.h) || r0 = [i0++] || r2 = [i1++]; - r6 = bytepack(r6, r7) || r1 = [i0++] || r3 = [i1++]; - r4 = byteop1p(r1:0, r3:2) || w[i2++] = r6.l; // uu -3: r5 = byteop1p(r1:0, r3:2) (r) || w[i3++] = r6.h; // vv - - i0 += m0; - i1 += m0; - i2 += m1; - i3 += m1; - p0 = p0 + p2; -1: p1 = p1 + p2; - - (r7:4,p5:4) = [sp++]; - unlink; - rts; -DEFUN_END(uyvytoyv12) - -DEFUN(yuyvtoyv12, mL3, (const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, - long width, long height, - long lumStride, long chromStride, long srcStride)): - link 0; - [--sp] = (r7:4,p5:4); - - p0 = r1; // Y top even - - i2 = r2; // *u - r2 = [fp + ARG_vdst]; - i3 = r2; // *v - - r1 = [fp + ARG_srcStride]; - r2 = r0 + r1; - r1 += -8; // i0,i1 is pre read need to correct - m0 = r1; - - i0 = r0; // uyvy_T even - i1 = r2; // uyvy_B odd - - p2 = [fp + ARG_lumStride]; - p1 = p0 + p2; // Y bot odd - - p5 = [fp + ARG_width]; - p4 = [fp + ARG_height]; - r0 = p5; - p4 = p4 >> 1; - p5 = p5 >> 2; - - r2 = [fp + ARG_chromStride]; - r0 = r0 >> 1; - r2 = r2 - r0; - m1 = r2; - - /* I0,I1 - src input line pointers - * p0,p1 - luma output line pointers - * I2 - dstU - * I3 - dstV - */ - - lsetup (0f, 1f) lc1 = p4; // H/2 -0: r0 = [i0++] || r2 = [i1++]; - r1 = [i0++] || r3 = [i1++]; - r4 = bytepack(r0, r1); - r5 = bytepack(r2, r3); - lsetup (2f, 3f) lc0 = p5; // W/4 -2: r0 = r0 >> 8(v) || [p0++] = r4; // yyyy-even - r1 = r1 >> 8(v) || [p1++] = r5; // yyyy-odd - r2 = r2 >> 8(v); - r3 = r3 >> 8(v); - r4 = byteop1p(r1:0, r3:2); - r5 = byteop1p(r1:0, r3:2) (r); - r6 = pack(r5.l, r4.l); - r7 = pack(r5.h, r4.h) || r0 = [i0++] || r2 = [i1++]; - r6 = bytepack(r6, r7) || r1 = [i0++] || r3 = [i1++]; - r4 = bytepack(r0, r1) || w[i2++] = r6.l; // uu -3: r5 = bytepack(r2, r3) || w[i3++] = r6.h; // vv - - i0 += m0; - i1 += m0; - i2 += m1; - i3 += m1; - p0 = p0 + p2; -1: p1 = p1 + p2; - - (r7:4,p5:4) = [sp++]; - unlink; - rts; -DEFUN_END(yuyvtoyv12) diff --git a/libswscale/swscale_bfin.c b/libswscale/swscale_bfin.c deleted file mode 100644 index 0c3ea4dc32..0000000000 --- a/libswscale/swscale_bfin.c +++ /dev/null @@ -1,93 +0,0 @@ -/* - * Copyright (C) 2007 Marc Hoffman - * - * Blackfin software video scaler operations - * - * 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 - */ - -#include -#include -#include -#include -#include -#include "config.h" -#include -#include "rgb2rgb.h" -#include "swscale.h" -#include "swscale_internal.h" - -#ifdef __FDPIC__ -#define L1CODE __attribute__ ((l1_text)) -#else -#define L1CODE -#endif - -int ff_bfin_uyvytoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, - long width, long height, - long lumStride, long chromStride, long srcStride) L1CODE; - -int ff_bfin_yuyvtoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, - long width, long height, - long lumStride, long chromStride, long srcStride) L1CODE; - -static int uyvytoyv12_unscaled(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]) -{ - uint8_t *dsty = dst[0] + dstStride[0]*srcSliceY; - uint8_t *dstu = dst[1] + dstStride[1]*srcSliceY/2; - uint8_t *dstv = dst[2] + dstStride[2]*srcSliceY/2; - uint8_t *ip = src[0] + srcStride[0]*srcSliceY; - int w = dstStride[0]; - - ff_bfin_uyvytoyv12(ip, dsty, dstu, dstv, w, srcSliceH, - dstStride[0], dstStride[1], srcStride[0]); - - return srcSliceH; -} - -static int yuyvtoyv12_unscaled(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]) -{ - uint8_t *dsty = dst[0] + dstStride[0]*srcSliceY; - uint8_t *dstu = dst[1] + dstStride[1]*srcSliceY/2; - uint8_t *dstv = dst[2] + dstStride[2]*srcSliceY/2; - uint8_t *ip = src[0] + srcStride[0]*srcSliceY; - int w = dstStride[0]; - - ff_bfin_yuyvtoyv12(ip, dsty, dstu, dstv, w, srcSliceH, - dstStride[0], dstStride[1], srcStride[0]); - - return srcSliceH; -} - - -void ff_bfin_get_unscaled_swscale(SwsContext *c) -{ - SwsFunc swScale = c->swScale; - if (c->flags & SWS_CPU_CAPS_BFIN) - if (c->dstFormat == PIX_FMT_YUV420P) - if (c->srcFormat == PIX_FMT_UYVY422) { - av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized uyvytoyv12_unscaled\n"); - c->swScale = uyvytoyv12_unscaled; - } - if (c->dstFormat == PIX_FMT_YUV420P) - if (c->srcFormat == PIX_FMT_YUYV422) { - av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized yuyvtoyv12_unscaled\n"); - c->swScale = yuyvtoyv12_unscaled; - } -} diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h index 91f05ad004..785c00aa3c 100644 --- a/libswscale/swscale_internal.h +++ b/libswscale/swscale_internal.h @@ -226,6 +226,7 @@ SwsFunc ff_yuv2rgb_init_vis(SwsContext *c); SwsFunc ff_yuv2rgb_init_mlib(SwsContext *c); SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c); SwsFunc ff_yuv2rgb_get_func_ptr_bfin(SwsContext *c); +void ff_bfin_get_unscaled_swscale(SwsContext *c); void ff_yuv2packedX_altivec(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, -- cgit v1.2.3