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https://github.com/FFmpeg/FFmpeg.git
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2831837182
x64 always has MMX, MMXEXT, SSE and SSE2 and this means that some functions for MMX, MMXEXT and 3dnow are always overridden by other functions (unless one e.g. explicitly disables SSE2) for x64. So given that the only systems that benefit from these functions are truely ancient 32bit x86s they are removed. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
139 lines
3.8 KiB
C
139 lines
3.8 KiB
C
/*
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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/MMXEXT 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 "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/attributes.h"
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#include "libavutil/x86/asm.h"
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#include "libavutil/x86/cpu.h"
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#include "libavutil/cpu.h"
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#if HAVE_X86ASM
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#define DITHER1XBPP // only for MMX
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//MMX versions
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#if HAVE_MMX
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#undef RENAME
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#define COMPILE_TEMPLATE_MMX
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#define RENAME(a) a ## _mmx
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#include "yuv2rgb_template.c"
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#undef COMPILE_TEMPLATE_MMX
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#endif /* HAVE_MMX */
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// MMXEXT versions
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#undef RENAME
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#define COMPILE_TEMPLATE_MMXEXT
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#define RENAME(a) a ## _mmxext
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#include "yuv2rgb_template.c"
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#undef COMPILE_TEMPLATE_MMXEXT
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//SSSE3 versions
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#undef RENAME
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#define COMPILE_TEMPLATE_SSSE3
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#define RENAME(a) a ## _ssse3
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#include "yuv2rgb_template.c"
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#endif /* HAVE_X86ASM */
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av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
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{
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#if HAVE_X86ASM
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_SSSE3(cpu_flags)) {
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switch (c->dstFormat) {
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case AV_PIX_FMT_RGB32:
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if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
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#if CONFIG_SWSCALE_ALPHA
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return yuva420_rgb32_ssse3;
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#endif
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break;
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} else
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return yuv420_rgb32_ssse3;
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case AV_PIX_FMT_BGR32:
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if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
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#if CONFIG_SWSCALE_ALPHA
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return yuva420_bgr32_ssse3;
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#endif
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break;
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} else
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return yuv420_bgr32_ssse3;
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case AV_PIX_FMT_RGB24:
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return yuv420_rgb24_ssse3;
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case AV_PIX_FMT_BGR24:
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return yuv420_bgr24_ssse3;
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case AV_PIX_FMT_RGB565:
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return yuv420_rgb16_ssse3;
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case AV_PIX_FMT_RGB555:
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return yuv420_rgb15_ssse3;
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}
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}
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if (EXTERNAL_MMXEXT(cpu_flags)) {
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switch (c->dstFormat) {
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case AV_PIX_FMT_RGB24:
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return yuv420_rgb24_mmxext;
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case AV_PIX_FMT_BGR24:
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return yuv420_bgr24_mmxext;
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}
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}
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if (EXTERNAL_MMX(cpu_flags)) {
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switch (c->dstFormat) {
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case AV_PIX_FMT_RGB32:
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if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
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#if CONFIG_SWSCALE_ALPHA
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return yuva420_rgb32_mmx;
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#endif
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break;
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} else
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return yuv420_rgb32_mmx;
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case AV_PIX_FMT_BGR32:
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if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
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#if CONFIG_SWSCALE_ALPHA
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return yuva420_bgr32_mmx;
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#endif
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break;
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} else
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return yuv420_bgr32_mmx;
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case AV_PIX_FMT_RGB565:
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return yuv420_rgb16_mmx;
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case AV_PIX_FMT_RGB555:
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return yuv420_rgb15_mmx;
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}
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}
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#endif /* HAVE_X86ASM */
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return NULL;
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}
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