mirror of https://github.com/FFmpeg/FFmpeg.git
Originally committed as revision 29063 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscalerelease/0.6
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b2cfd7e360
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9 changed files with 113 additions and 65 deletions
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/*
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* software YUV to RGB converter |
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* |
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* Copyright (C) 2009 Konstantin Shishkov |
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* |
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* MMX/MMX2 template stuff (needed for fast movntq support), |
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* 1,4,8bpp support and context / deglobalize stuff |
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* by Michael Niedermayer (michaelni@gmx.at) |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <inttypes.h> |
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#include <assert.h> |
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#include "config.h" |
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#include "libswscale/rgb2rgb.h" |
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#include "libswscale/swscale.h" |
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#include "libswscale/swscale_internal.h" |
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#include "libavutil/x86_cpu.h" |
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#define DITHER1XBPP // only for MMX
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/* hope these constant values are cache line aligned */ |
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DECLARE_ASM_CONST(8, uint64_t, mmx_00ffw) = 0x00ff00ff00ff00ffULL; |
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DECLARE_ASM_CONST(8, uint64_t, mmx_redmask) = 0xf8f8f8f8f8f8f8f8ULL; |
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DECLARE_ASM_CONST(8, uint64_t, mmx_grnmask) = 0xfcfcfcfcfcfcfcfcULL; |
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//MMX versions
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#undef RENAME |
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#undef HAVE_MMX2 |
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#undef HAVE_AMD3DNOW |
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#define HAVE_MMX2 0 |
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#define HAVE_AMD3DNOW 0 |
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#define RENAME(a) a ## _MMX |
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#include "yuv2rgb_template.c" |
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//MMX2 versions
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#undef RENAME |
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#undef HAVE_MMX2 |
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#define HAVE_MMX2 1 |
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#define RENAME(a) a ## _MMX2 |
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#include "yuv2rgb_template.c" |
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SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c) |
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{ |
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if (c->flags & SWS_CPU_CAPS_MMX2) { |
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switch (c->dstFormat) { |
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case PIX_FMT_RGB32: |
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if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P){ |
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if (HAVE_7REGS) return yuva420_rgb32_MMX2; |
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break; |
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}else return yuv420_rgb32_MMX2; |
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case PIX_FMT_BGR24: return yuv420_rgb24_MMX2; |
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case PIX_FMT_RGB565: return yuv420_rgb16_MMX2; |
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case PIX_FMT_RGB555: return yuv420_rgb15_MMX2; |
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} |
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} |
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if (c->flags & SWS_CPU_CAPS_MMX) { |
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switch (c->dstFormat) { |
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case PIX_FMT_RGB32: |
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if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P){ |
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if (HAVE_7REGS) return yuva420_rgb32_MMX; |
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break; |
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}else return yuv420_rgb32_MMX; |
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case PIX_FMT_BGR24: return yuv420_rgb24_MMX; |
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case PIX_FMT_RGB565: return yuv420_rgb16_MMX; |
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case PIX_FMT_RGB555: return yuv420_rgb15_MMX; |
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} |
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} |
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return NULL; |
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} |
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