5e2f77c20f018206ae24924d4ee4e531c81f16a3
2 * software YUV to RGB converter
4 * Copyright (C) 2009 Konstantin Shishkov
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)
10 * This file is part of FFmpeg.
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.
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.
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
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"
42 #define DITHER1XBPP // only for MMX
44 /* hope these constant values are cache line aligned */
45 DECLARE_ASM_CONST(8, uint64_t, mmx_00ffw
) = 0x00ff00ff00ff00ffULL
;
46 DECLARE_ASM_CONST(8, uint64_t, mmx_redmask
) = 0xf8f8f8f8f8f8f8f8ULL
;
47 DECLARE_ASM_CONST(8, uint64_t, mmx_grnmask
) = 0xfcfcfcfcfcfcfcfcULL
;
48 DECLARE_ASM_CONST(8, uint64_t, pb_e0
) = 0xe0e0e0e0e0e0e0e0ULL
;
49 DECLARE_ASM_CONST(8, uint64_t, pb_03
) = 0x0303030303030303ULL
;
50 DECLARE_ASM_CONST(8, uint64_t, pb_07
) = 0x0707070707070707ULL
;
53 #if HAVE_MMX_INLINE && HAVE_6REGS
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 */
62 #if HAVE_MMXEXT_INLINE && HAVE_6REGS
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 */
70 #endif /* HAVE_INLINE_ASM */
72 av_cold SwsFunc
ff_yuv2rgb_init_x86(SwsContext
*c
)
74 #if HAVE_MMX_INLINE && HAVE_6REGS
75 int cpu_flags
= av_get_cpu_flags();
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
;
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
;
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
;
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
;
116 #endif /* HAVE_MMX_INLINE && HAVE_6REGS */