| /* |
| * 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" |
| #include "swscale_internal.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" |
| |
| |
| |
| // FIXME: must be changed to set alpha to 255 instead of 0 |
| 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; |
| } |
| |
| // FIXME: must be changed to set alpha to 255 instead of 0 |
| 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 sws_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 (WARNING: alpha value is wrong)\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 (WARNING: alpha value is wrong)\n"); |
| return vis_420P_ARGB32; |
| } |
| return NULL; |
| } |
