1/* 2 * software YUV to RGB converter 3 * 4 * Copyright (C) 2009 Konstantin Shishkov 5 * 6 * MMX/MMX2 template stuff (needed for fast movntq support), 7 * 1,4,8bpp support and context / deglobalize stuff 8 * by Michael Niedermayer (michaelni@gmx.at) 9 * 10 * This file is part of FFmpeg. 11 * 12 * FFmpeg is free software; you can redistribute it and/or 13 * modify it under the terms of the GNU Lesser General Public 14 * License as published by the Free Software Foundation; either 15 * version 2.1 of the License, or (at your option) any later version. 16 * 17 * FFmpeg is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 * Lesser General Public License for more details. 21 * 22 * You should have received a copy of the GNU Lesser General Public 23 * License along with FFmpeg; if not, write to the Free Software 24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 25 */ 26 27#include <stdio.h> 28#include <stdlib.h> 29#include <inttypes.h> 30#include <assert.h> 31 32#include "config.h" 33#include "libswscale/rgb2rgb.h" 34#include "libswscale/swscale.h" 35#include "libswscale/swscale_internal.h" 36#include "libavutil/x86_cpu.h" 37 38#define DITHER1XBPP // only for MMX 39 40/* hope these constant values are cache line aligned */ 41DECLARE_ASM_CONST(8, uint64_t, mmx_00ffw) = 0x00ff00ff00ff00ffULL; 42DECLARE_ASM_CONST(8, uint64_t, mmx_redmask) = 0xf8f8f8f8f8f8f8f8ULL; 43DECLARE_ASM_CONST(8, uint64_t, mmx_grnmask) = 0xfcfcfcfcfcfcfcfcULL; 44 45//MMX versions 46#undef RENAME 47#undef HAVE_MMX2 48#undef HAVE_AMD3DNOW 49#define HAVE_MMX2 0 50#define HAVE_AMD3DNOW 0 51#define RENAME(a) a ## _MMX 52#if CONFIG_GPL 53#include "yuv2rgb_template.c" 54#else 55#include "yuv2rgb_template2.c" 56#endif 57 58//MMX2 versions 59#undef RENAME 60#undef HAVE_MMX2 61#define HAVE_MMX2 1 62#define RENAME(a) a ## _MMX2 63#if CONFIG_GPL 64#include "yuv2rgb_template.c" 65#else 66#include "yuv2rgb_template2.c" 67#endif 68 69SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c) 70{ 71 if (c->flags & SWS_CPU_CAPS_MMX2) { 72 switch (c->dstFormat) { 73 case PIX_FMT_RGB32: 74 if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P) { 75 if (HAVE_7REGS) return yuva420_rgb32_MMX2; 76 break; 77 } else return yuv420_rgb32_MMX2; 78 case PIX_FMT_BGR32: 79 if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P) { 80 if (HAVE_7REGS) return yuva420_bgr32_MMX2; 81 break; 82 } else return yuv420_bgr32_MMX2; 83 case PIX_FMT_RGB24: return yuv420_rgb24_MMX2; 84 case PIX_FMT_BGR24: return yuv420_bgr24_MMX2; 85 case PIX_FMT_RGB565: return yuv420_rgb16_MMX2; 86 case PIX_FMT_RGB555: return yuv420_rgb15_MMX2; 87 } 88 } 89 if (c->flags & SWS_CPU_CAPS_MMX) { 90 switch (c->dstFormat) { 91 case PIX_FMT_RGB32: 92 if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P) { 93 if (HAVE_7REGS) return yuva420_rgb32_MMX; 94 break; 95 } else return yuv420_rgb32_MMX; 96 case PIX_FMT_BGR32: 97 if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P) { 98 if (HAVE_7REGS) return yuva420_bgr32_MMX; 99 break; 100 } else return yuv420_bgr32_MMX; 101 case PIX_FMT_RGB24: return yuv420_rgb24_MMX; 102 case PIX_FMT_BGR24: return yuv420_bgr24_MMX; 103 case PIX_FMT_RGB565: return yuv420_rgb16_MMX; 104 case PIX_FMT_RGB555: return yuv420_rgb15_MMX; 105 } 106 } 107 108 return NULL; 109} 110