1/* 2 * software YUV to RGB converter 3 * 4 * Copyright (C) 2009 Konstantin Shishkov 5 * 6 * MMX/MMXEXT 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 31#include "config.h" 32#include "libswscale/rgb2rgb.h" 33#include "libswscale/swscale.h" 34#include "libswscale/swscale_internal.h" 35#include "libavutil/attributes.h" 36#include "libavutil/x86/asm.h" 37#include "libavutil/x86/cpu.h" 38#include "libavutil/cpu.h" 39 40#if HAVE_INLINE_ASM 41 42#define DITHER1XBPP // only for MMX 43 44/* hope these constant values are cache line aligned */ 45DECLARE_ASM_CONST(8, uint64_t, mmx_00ffw) = 0x00ff00ff00ff00ffULL; 46DECLARE_ASM_CONST(8, uint64_t, mmx_redmask) = 0xf8f8f8f8f8f8f8f8ULL; 47DECLARE_ASM_CONST(8, uint64_t, mmx_grnmask) = 0xfcfcfcfcfcfcfcfcULL; 48DECLARE_ASM_CONST(8, uint64_t, pb_e0) = 0xe0e0e0e0e0e0e0e0ULL; 49DECLARE_ASM_CONST(8, uint64_t, pb_03) = 0x0303030303030303ULL; 50DECLARE_ASM_CONST(8, uint64_t, pb_07) = 0x0707070707070707ULL; 51 52//MMX versions 53#if HAVE_MMX_INLINE && HAVE_6REGS 54#undef RENAME 55#undef COMPILE_TEMPLATE_MMXEXT 56#define COMPILE_TEMPLATE_MMXEXT 0 57#define RENAME(a) a ## _mmx 58#include "yuv2rgb_template.c" 59#endif /* HAVE_MMX_INLINE && HAVE_6REGS */ 60 61// MMXEXT versions 62#if HAVE_MMXEXT_INLINE && HAVE_6REGS 63#undef RENAME 64#undef COMPILE_TEMPLATE_MMXEXT 65#define COMPILE_TEMPLATE_MMXEXT 1 66#define RENAME(a) a ## _mmxext 67#include "yuv2rgb_template.c" 68#endif /* HAVE_MMXEXT_INLINE && HAVE_6REGS */ 69 70#endif /* HAVE_INLINE_ASM */ 71 72av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c) 73{ 74#if HAVE_MMX_INLINE && HAVE_6REGS 75 int cpu_flags = av_get_cpu_flags(); 76 77#if HAVE_MMXEXT_INLINE 78 if (INLINE_MMXEXT(cpu_flags)) { 79 switch (c->dstFormat) { 80 case AV_PIX_FMT_RGB24: 81 return yuv420_rgb24_mmxext; 82 case AV_PIX_FMT_BGR24: 83 return yuv420_bgr24_mmxext; 84 } 85 } 86#endif 87 88 if (INLINE_MMX(cpu_flags)) { 89 switch (c->dstFormat) { 90 case AV_PIX_FMT_RGB32: 91 if (c->srcFormat == AV_PIX_FMT_YUVA420P) { 92#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA 93 return yuva420_rgb32_mmx; 94#endif 95 break; 96 } else 97 return yuv420_rgb32_mmx; 98 case AV_PIX_FMT_BGR32: 99 if (c->srcFormat == AV_PIX_FMT_YUVA420P) { 100#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA 101 return yuva420_bgr32_mmx; 102#endif 103 break; 104 } else 105 return yuv420_bgr32_mmx; 106 case AV_PIX_FMT_RGB24: 107 return yuv420_rgb24_mmx; 108 case AV_PIX_FMT_BGR24: 109 return yuv420_bgr24_mmx; 110 case AV_PIX_FMT_RGB565: 111 return yuv420_rgb16_mmx; 112 case AV_PIX_FMT_RGB555: 113 return yuv420_rgb15_mmx; 114 } 115 } 116#endif /* HAVE_MMX_INLINE && HAVE_6REGS */ 117 118 return NULL; 119} 120