/* * software YUV to RGB converter * * Copyright (C) 2009 Konstantin Shishkov * * MMX/MMXEXT template stuff (needed for fast movntq support), * 1,4,8bpp support and context / deglobalize stuff * by Michael Niedermayer (michaelni@gmx.at) * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include <stdio.h> #include <stdlib.h> #include <inttypes.h> #include <assert.h> #include "config.h" #include "libswscale/rgb2rgb.h" #include "libswscale/swscale.h" #include "libswscale/swscale_internal.h" #include "libavutil/attributes.h" #include "libavutil/x86/asm.h" #include "libavutil/x86/cpu.h" #include "libavutil/cpu.h" #if HAVE_INLINE_ASM #define DITHER1XBPP // only for MMX /* hope these constant values are cache line aligned */ DECLARE_ASM_CONST(8, uint64_t, mmx_00ffw) = 0x00ff00ff00ff00ffULL; DECLARE_ASM_CONST(8, uint64_t, mmx_redmask) = 0xf8f8f8f8f8f8f8f8ULL; DECLARE_ASM_CONST(8, uint64_t, mmx_grnmask) = 0xfcfcfcfcfcfcfcfcULL; DECLARE_ASM_CONST(8, uint64_t, pb_e0) = 0xe0e0e0e0e0e0e0e0ULL; DECLARE_ASM_CONST(8, uint64_t, pb_03) = 0x0303030303030303ULL; DECLARE_ASM_CONST(8, uint64_t, pb_07) = 0x0707070707070707ULL; //MMX versions #if HAVE_MMX_INLINE #undef RENAME #undef COMPILE_TEMPLATE_MMXEXT #define COMPILE_TEMPLATE_MMXEXT 0 #define RENAME(a) a ## _mmx #include "yuv2rgb_template.c" #endif /* HAVE_MMX_INLINE */ // MMXEXT versions #if HAVE_MMXEXT_INLINE #undef RENAME #undef COMPILE_TEMPLATE_MMXEXT #define COMPILE_TEMPLATE_MMXEXT 1 #define RENAME(a) a ## _mmxext #include "yuv2rgb_template.c" #endif /* HAVE_MMXEXT_INLINE */ #endif /* HAVE_INLINE_ASM */ av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c) { #if HAVE_MMX_INLINE int cpu_flags = av_get_cpu_flags(); if (c->srcFormat != AV_PIX_FMT_YUV420P && c->srcFormat != AV_PIX_FMT_YUVA420P) return NULL; #if HAVE_MMXEXT_INLINE if (INLINE_MMXEXT(cpu_flags)) { switch (c->dstFormat) { case AV_PIX_FMT_RGB24: return yuv420_rgb24_mmxext; case AV_PIX_FMT_BGR24: return yuv420_bgr24_mmxext; } } #endif if (INLINE_MMX(cpu_flags)) { switch (c->dstFormat) { case AV_PIX_FMT_RGB32: if (c->srcFormat == AV_PIX_FMT_YUVA420P) { #if HAVE_7REGS && CONFIG_SWSCALE_ALPHA return yuva420_rgb32_mmx; #endif break; } else return yuv420_rgb32_mmx; case AV_PIX_FMT_BGR32: if (c->srcFormat == AV_PIX_FMT_YUVA420P) { #if HAVE_7REGS && CONFIG_SWSCALE_ALPHA return yuva420_bgr32_mmx; #endif break; } else return yuv420_bgr32_mmx; case AV_PIX_FMT_RGB24: return yuv420_rgb24_mmx; case AV_PIX_FMT_BGR24: return yuv420_bgr24_mmx; case AV_PIX_FMT_RGB565: return yuv420_rgb16_mmx; case AV_PIX_FMT_RGB555: return yuv420_rgb15_mmx; } } #endif /* HAVE_MMX_INLINE */ return NULL; }