diff options
author | Denes Balatoni <dbalatoni@programozo.hu> | 2007-07-19 07:24:43 +0000 |
---|---|---|
committer | Benoit Fouet <benoit.fouet@free.fr> | 2007-07-19 07:24:43 +0000 |
commit | 90c1d7b400458ef297e85afb0ab6915af8016f7d (patch) | |
tree | 5345fda4ae7bc4f9e2af5838ad31cf641e53b895 /libswscale/yuv2rgb_vis.c | |
parent | 1e7f363804cb9fbe4eb8193a5711fdfd00619776 (diff) | |
download | ffmpeg-streaming-90c1d7b400458ef297e85afb0ab6915af8016f7d.zip ffmpeg-streaming-90c1d7b400458ef297e85afb0ab6915af8016f7d.tar.gz |
UltraSPARC VIS yuv2rgb
patch by Denes Balatoni: [dbalatoni interware hu]
original thread: [FFmpeg-devel] [PATCH] UltraSPARC VIS yuv2rgb third try
date: 07/17/2007 08:35 PM
Originally committed as revision 23825 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
Diffstat (limited to 'libswscale/yuv2rgb_vis.c')
-rw-r--r-- | libswscale/yuv2rgb_vis.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/libswscale/yuv2rgb_vis.c b/libswscale/yuv2rgb_vis.c new file mode 100644 index 0000000..b0b531c --- /dev/null +++ b/libswscale/yuv2rgb_vis.c @@ -0,0 +1,206 @@ +/* + * VIS optimized software YUV to RGB converter + * Copyright (c) 2007 Denes Balatoni <dbalatoni@programozo.hu> + * + * 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 <inttypes.h> +#include <stdlib.h> + +#include "swscale.h" + +#define YUV2RGB_INIT \ + "wr %%g0, 0x10, %%gsr \n\t" \ + "ldd [%5], %%f32 \n\t" \ + "ldd [%5+8], %%f34 \n\t" \ + "ldd [%5+16], %%f36 \n\t" \ + "ldd [%5+24], %%f38 \n\t" \ + "ldd [%5+32], %%f40 \n\t" \ + "ldd [%5+40], %%f42 \n\t" \ + "ldd [%5+48], %%f44 \n\t" \ + "ldd [%5+56], %%f46 \n\t" \ + "ldd [%5+64], %%f48 \n\t" \ + "ldd [%5+72], %%f50 \n\t" + +#define YUV2RGB_KERNEL \ + /* ^^^^ f0=Y f3=u f5=v */ \ + "fmul8x16 %%f3, %%f48, %%f6 \n\t" \ + "fmul8x16 %%f19, %%f48, %%f22 \n\t" \ + "fmul8x16 %%f5, %%f44, %%f8 \n\t" \ + "fmul8x16 %%f21, %%f44, %%f24 \n\t" \ + "fmul8x16 %%f0, %%f42, %%f0 \n\t" \ + "fmul8x16 %%f16, %%f42, %%f16 \n\t" \ + "fmul8x16 %%f3, %%f50, %%f2 \n\t" \ + "fmul8x16 %%f19, %%f50, %%f18 \n\t" \ + "fmul8x16 %%f5, %%f46, %%f4 \n\t" \ + "fmul8x16 %%f21, %%f46, %%f20 \n\t" \ + \ + "fpsub16 %%f6, %%f34, %%f6 \n\t" /* 1 */ \ + "fpsub16 %%f22, %%f34, %%f22 \n\t" /* 1 */ \ + "fpsub16 %%f8, %%f38, %%f8 \n\t" /* 3 */ \ + "fpsub16 %%f24, %%f38, %%f24 \n\t" /* 3 */ \ + "fpsub16 %%f0, %%f32, %%f0 \n\t" /* 0 */ \ + "fpsub16 %%f16, %%f32, %%f16 \n\t" /* 0 */ \ + "fpsub16 %%f2, %%f36, %%f2 \n\t" /* 2 */ \ + "fpsub16 %%f18, %%f36, %%f18 \n\t" /* 2 */ \ + "fpsub16 %%f4, %%f40, %%f4 \n\t" /* 4 */ \ + "fpsub16 %%f20, %%f40, %%f20 \n\t" /* 4 */ \ + \ + "fpadd16 %%f0, %%f8, %%f8 \n\t" /* Gt */ \ + "fpadd16 %%f16, %%f24, %%f24 \n\t" /* Gt */ \ + "fpadd16 %%f0, %%f4, %%f4 \n\t" /* R */ \ + "fpadd16 %%f16, %%f20, %%f20 \n\t" /* R */ \ + "fpadd16 %%f0, %%f6, %%f6 \n\t" /* B */ \ + "fpadd16 %%f16, %%f22, %%f22 \n\t" /* B */ \ + "fpadd16 %%f8, %%f2, %%f2 \n\t" /* G */ \ + "fpadd16 %%f24, %%f18, %%f18 \n\t" /* G */ \ + \ + "fpack16 %%f4, %%f4 \n\t" \ + "fpack16 %%f20, %%f20 \n\t" \ + "fpack16 %%f6, %%f6 \n\t" \ + "fpack16 %%f22, %%f22 \n\t" \ + "fpack16 %%f2, %%f2 \n\t" \ + "fpack16 %%f18, %%f18 \n\t" + + + +static int vis_420P_ARGB32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dst[], int dstStride[]){ + int y, out1, out2, out3, out4, out5, out6; + + for(y=0;y < srcSliceH;++y) { + asm volatile ( + YUV2RGB_INIT + "wr %%g0, 0xd2, %%asi \n\t" /* ASI_FL16_P */ + "1: \n\t" + "ldda [%1] %%asi, %%f2 \n\t" + "ldda [%1+2] %%asi, %%f18 \n\t" + "ldda [%2] %%asi, %%f4 \n\t" + "ldda [%2+2] %%asi, %%f20 \n\t" + "ld [%0], %%f0 \n\t" + "ld [%0+4], %%f16 \n\t" + "fpmerge %%f3, %%f3, %%f2 \n\t" + "fpmerge %%f19, %%f19, %%f18 \n\t" + "fpmerge %%f5, %%f5, %%f4 \n\t" + "fpmerge %%f21, %%f21, %%f20 \n\t" + YUV2RGB_KERNEL + "fzero %%f0 \n\t" + "fpmerge %%f4, %%f6, %%f8 \n\t" // r,b,t1 + "fpmerge %%f20, %%f22, %%f24 \n\t" // r,b,t1 + "fpmerge %%f0, %%f2, %%f10 \n\t" // 0,g,t2 + "fpmerge %%f0, %%f18, %%f26 \n\t" // 0,g,t2 + "fpmerge %%f10, %%f8, %%f4 \n\t" // t2,t1,msb + "fpmerge %%f26, %%f24, %%f20 \n\t" // t2,t1,msb + "fpmerge %%f11, %%f9, %%f6 \n\t" // t2,t1,lsb + "fpmerge %%f27, %%f25, %%f22 \n\t" // t2,t1,lsb + "std %%f4, [%3] \n\t" + "std %%f20, [%3+16] \n\t" + "std %%f6, [%3+8] \n\t" + "std %%f22, [%3+24] \n\t" + + "add %0, 8, %0 \n\t" + "add %1, 4, %1 \n\t" + "add %2, 4, %2 \n\t" + "subcc %4, 8, %4 \n\t" + "bne 1b \n\t" + "add %3, 32, %3 \n\t" //delay slot + : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5), "=r" (out6) + : "0" (src[0]+(y+srcSliceY)*srcStride[0]), "1" (src[1]+((y+srcSliceY)>>1)*srcStride[1]), + "2" (src[2]+((y+srcSliceY)>>1)*srcStride[2]), "3" (dst[0]+(y+srcSliceY)*dstStride[0]), + "4" (c->dstW), + "5" (c->sparc_coeffs) + ); + } + + return srcSliceH; +} + +static int vis_422P_ARGB32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dst[], int dstStride[]){ + int y, out1, out2, out3, out4, out5, out6; + + for(y=0;y < srcSliceH;++y) { + asm volatile ( + YUV2RGB_INIT + "wr %%g0, 0xd2, %%asi \n\t" /* ASI_FL16_P */ + "1: \n\t" + "ldda [%1] %%asi, %%f2 \n\t" + "ldda [%1+2] %%asi, %%f18 \n\t" + "ldda [%2] %%asi, %%f4 \n\t" + "ldda [%2+2] %%asi, %%f20 \n\t" + "ld [%0], %%f0 \n\t" + "ld [%0+4], %%f16 \n\t" + "fpmerge %%f3, %%f3, %%f2 \n\t" + "fpmerge %%f19, %%f19, %%f18 \n\t" + "fpmerge %%f5, %%f5, %%f4 \n\t" + "fpmerge %%f21, %%f21, %%f20 \n\t" + YUV2RGB_KERNEL + "fzero %%f0 \n\t" + "fpmerge %%f4, %%f6, %%f8 \n\t" // r,b,t1 + "fpmerge %%f20, %%f22, %%f24 \n\t" // r,b,t1 + "fpmerge %%f0, %%f2, %%f10 \n\t" // 0,g,t2 + "fpmerge %%f0, %%f18, %%f26 \n\t" // 0,g,t2 + "fpmerge %%f10, %%f8, %%f4 \n\t" // t2,t1,msb + "fpmerge %%f26, %%f24, %%f20 \n\t" // t2,t1,msb + "fpmerge %%f11, %%f9, %%f6 \n\t" // t2,t1,lsb + "fpmerge %%f27, %%f25, %%f22 \n\t" // t2,t1,lsb + "std %%f4, [%3] \n\t" + "std %%f20, [%3+16] \n\t" + "std %%f6, [%3+8] \n\t" + "std %%f22, [%3+24] \n\t" + + "add %0, 8, %0 \n\t" + "add %1, 4, %1 \n\t" + "add %2, 4, %2 \n\t" + "subcc %4, 8, %4 \n\t" + "bne 1b \n\t" + "add %3, 32, %3 \n\t" //delay slot + : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5), "=r" (out6) + : "0" (src[0]+(y+srcSliceY)*srcStride[0]), "1" (src[1]+(y+srcSliceY)*srcStride[1]), + "2" (src[2]+(y+srcSliceY)*srcStride[2]), "3" (dst[0]+(y+srcSliceY)*dstStride[0]), + "4" (c->dstW), + "5" (c->sparc_coeffs) + ); + } + + return srcSliceH; +} + +SwsFunc yuv2rgb_init_vis(SwsContext *c) { + c->sparc_coeffs[5]=c->yCoeff; + c->sparc_coeffs[6]=c->vgCoeff; + c->sparc_coeffs[7]=c->vrCoeff; + c->sparc_coeffs[8]=c->ubCoeff; + c->sparc_coeffs[9]=c->ugCoeff; + + c->sparc_coeffs[0]=(((int16_t)c->yOffset*(int16_t)c->yCoeff>>11) & 0xffff) * 0x0001000100010001ULL; + c->sparc_coeffs[1]=(((int16_t)c->uOffset*(int16_t)c->ubCoeff>>11) & 0xffff) * 0x0001000100010001ULL; + c->sparc_coeffs[2]=(((int16_t)c->uOffset*(int16_t)c->ugCoeff>>11) & 0xffff) * 0x0001000100010001ULL; + c->sparc_coeffs[3]=(((int16_t)c->vOffset*(int16_t)c->vgCoeff>>11) & 0xffff) * 0x0001000100010001ULL; + c->sparc_coeffs[4]=(((int16_t)c->vOffset*(int16_t)c->vrCoeff>>11) & 0xffff) * 0x0001000100010001ULL; + + if (c->dstFormat == PIX_FMT_RGB32 && c->srcFormat == PIX_FMT_YUV422P && (c->dstW & 7)==0) { + av_log(c, AV_LOG_INFO, "SPARC VIS accelerated YUV422P -> RGB32\n"); + return vis_422P_ARGB32; + } + else if (c->dstFormat == PIX_FMT_RGB32 && c->srcFormat == PIX_FMT_YUV420P && (c->dstW & 7)==0) { + av_log(c, AV_LOG_INFO, "SPARC VIS accelerated YUV420P -> RGB32\n"); + return vis_420P_ARGB32; + } + return NULL; +} |