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2ba45a60 DM |
1 | /* |
2 | * software YUV to RGB converter | |
3 | * | |
4 | * Copyright (C) 2009 Konstantin Shishkov | |
5 | * | |
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) | |
9 | * | |
10 | * This file is part of FFmpeg. | |
11 | * | |
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. | |
16 | * | |
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. | |
21 | * | |
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 | |
25 | */ | |
26 | ||
27 | #include <stdio.h> | |
28 | #include <stdlib.h> | |
29 | #include <inttypes.h> | |
30 | ||
31 | #include "config.h" | |
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" | |
39 | ||
40 | #if HAVE_INLINE_ASM | |
41 | ||
42 | #define DITHER1XBPP // only for MMX | |
43 | ||
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; | |
51 | ||
52 | //MMX versions | |
53 | #if HAVE_MMX_INLINE && HAVE_6REGS | |
54 | #undef RENAME | |
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 */ | |
60 | ||
61 | // MMXEXT versions | |
62 | #if HAVE_MMXEXT_INLINE && HAVE_6REGS | |
63 | #undef RENAME | |
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 */ | |
69 | ||
70 | #endif /* HAVE_INLINE_ASM */ | |
71 | ||
72 | av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c) | |
73 | { | |
74 | #if HAVE_MMX_INLINE && HAVE_6REGS | |
75 | int cpu_flags = av_get_cpu_flags(); | |
76 | ||
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; | |
84 | } | |
85 | } | |
86 | #endif | |
87 | ||
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; | |
94 | #endif | |
95 | break; | |
96 | } else | |
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; | |
102 | #endif | |
103 | break; | |
104 | } else | |
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; | |
114 | } | |
115 | } | |
116 | #endif /* HAVE_MMX_INLINE && HAVE_6REGS */ | |
117 | ||
118 | return NULL; | |
119 | } |