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author | Diego Biurrun <diego@biurrun.de> | 2012-07-21 22:33:03 +0200 |
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committer | Diego Biurrun <diego@biurrun.de> | 2012-07-23 01:30:04 +0200 |
commit | 16d2a1a51c1dbdd69ee47b19c8ab66b905b7c5ce (patch) | |
tree | d5750d9740eb23bba4c1b7acfae2f35623bef352 /libswscale/x86/yuv2rgb.c | |
parent | fd4872184945ff4275f04f7b95ee7aba49407f3c (diff) | |
download | ffmpeg-16d2a1a51c1dbdd69ee47b19c8ab66b905b7c5ce.tar.gz |
swscale: x86: Drop pointless _mmx suffix from filenames
The files do not contain only MMX code.
Diffstat (limited to 'libswscale/x86/yuv2rgb.c')
-rw-r--r-- | libswscale/x86/yuv2rgb.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/libswscale/x86/yuv2rgb.c b/libswscale/x86/yuv2rgb.c new file mode 100644 index 0000000000..f534e0e6bd --- /dev/null +++ b/libswscale/x86/yuv2rgb.c @@ -0,0 +1,114 @@ +/* + * software YUV to RGB converter + * + * Copyright (C) 2009 Konstantin Shishkov + * + * MMX/MMX2 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/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 +#undef RENAME +#undef COMPILE_TEMPLATE_MMX2 +#define COMPILE_TEMPLATE_MMX2 0 +#define RENAME(a) a ## _MMX +#include "yuv2rgb_template.c" +#endif /* HAVE_MMX */ + +//MMX2 versions +#if HAVE_MMX2 +#undef RENAME +#undef COMPILE_TEMPLATE_MMX2 +#define COMPILE_TEMPLATE_MMX2 1 +#define RENAME(a) a ## _MMX2 +#include "yuv2rgb_template.c" +#endif /* HAVE_MMX2 */ + +#endif /* HAVE_INLINE_ASM */ + +SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c) +{ +#if HAVE_INLINE_ASM + int cpu_flags = av_get_cpu_flags(); + + if (c->srcFormat != PIX_FMT_YUV420P && + c->srcFormat != PIX_FMT_YUVA420P) + return NULL; + +#if HAVE_MMX2 + if (cpu_flags & AV_CPU_FLAG_MMX2) { + switch (c->dstFormat) { + case PIX_FMT_RGB24: return yuv420_rgb24_MMX2; + case PIX_FMT_BGR24: return yuv420_bgr24_MMX2; + } + } +#endif + + if (cpu_flags & AV_CPU_FLAG_MMX) { + switch (c->dstFormat) { + case PIX_FMT_RGB32: + if (c->srcFormat == PIX_FMT_YUVA420P) { +#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA + return yuva420_rgb32_MMX; +#endif + break; + } else return yuv420_rgb32_MMX; + case PIX_FMT_BGR32: + if (c->srcFormat == PIX_FMT_YUVA420P) { +#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA + return yuva420_bgr32_MMX; +#endif + break; + } else return yuv420_bgr32_MMX; + case PIX_FMT_RGB24: return yuv420_rgb24_MMX; + case PIX_FMT_BGR24: return yuv420_bgr24_MMX; + case PIX_FMT_RGB565: return yuv420_rgb16_MMX; + case PIX_FMT_RGB555: return yuv420_rgb15_MMX; + } + } +#endif /* HAVE_INLINE_ASM */ + + return NULL; +} |