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_X86ASM
41
42 #define DITHER1XBPP // only for MMX
43
44 //MMX versions
45 #if HAVE_MMX
46 #undef RENAME
47 #undef COMPILE_TEMPLATE_MMXEXT
48 #define COMPILE_TEMPLATE_MMXEXT 0
49 #define RENAME(a) a ## _mmx
50 #include "yuv2rgb_template.c"
51 #endif /* HAVE_MMX */
52
53 // MMXEXT versions
54 #undef RENAME
55 #undef COMPILE_TEMPLATE_MMXEXT
56 #define COMPILE_TEMPLATE_MMXEXT 1
57 #define RENAME(a) a ## _mmxext
58 #include "yuv2rgb_template.c"
59
60 //SSSE3 versions
61 #undef RENAME
62 #undef COMPILE_TEMPLATE_MMXEXT
63 #define COMPILE_TEMPLATE_MMXEXT 0
64 #define RENAME(a) a ## _ssse3
65 #include "yuv2rgb_template.c"
66
67 #endif /* HAVE_X86ASM */
68
ff_yuv2rgb_init_x86(SwsContext * c)69 av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
70 {
71 #if HAVE_X86ASM
72 int cpu_flags = av_get_cpu_flags();
73
74 if (EXTERNAL_SSSE3(cpu_flags)) {
75 switch (c->dstFormat) {
76 case AV_PIX_FMT_RGB32:
77 if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
78 #if CONFIG_SWSCALE_ALPHA
79 return yuva420_rgb32_ssse3;
80 #endif
81 break;
82 } else
83 return yuv420_rgb32_ssse3;
84 case AV_PIX_FMT_BGR32:
85 if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
86 #if CONFIG_SWSCALE_ALPHA
87 return yuva420_bgr32_ssse3;
88 #endif
89 break;
90 } else
91 return yuv420_bgr32_ssse3;
92 case AV_PIX_FMT_RGB24:
93 return yuv420_rgb24_ssse3;
94 case AV_PIX_FMT_BGR24:
95 return yuv420_bgr24_ssse3;
96 case AV_PIX_FMT_RGB565:
97 return yuv420_rgb16_ssse3;
98 case AV_PIX_FMT_RGB555:
99 return yuv420_rgb15_ssse3;
100 }
101 }
102
103 if (EXTERNAL_MMXEXT(cpu_flags)) {
104 switch (c->dstFormat) {
105 case AV_PIX_FMT_RGB24:
106 return yuv420_rgb24_mmxext;
107 case AV_PIX_FMT_BGR24:
108 return yuv420_bgr24_mmxext;
109 }
110 }
111
112 if (EXTERNAL_MMX(cpu_flags)) {
113 switch (c->dstFormat) {
114 case AV_PIX_FMT_RGB32:
115 if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
116 #if CONFIG_SWSCALE_ALPHA
117 return yuva420_rgb32_mmx;
118 #endif
119 break;
120 } else
121 return yuv420_rgb32_mmx;
122 case AV_PIX_FMT_BGR32:
123 if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
124 #if CONFIG_SWSCALE_ALPHA
125 return yuva420_bgr32_mmx;
126 #endif
127 break;
128 } else
129 return yuv420_bgr32_mmx;
130 case AV_PIX_FMT_RGB24:
131 return yuv420_rgb24_mmx;
132 case AV_PIX_FMT_BGR24:
133 return yuv420_bgr24_mmx;
134 case AV_PIX_FMT_RGB565:
135 return yuv420_rgb16_mmx;
136 case AV_PIX_FMT_RGB555:
137 return yuv420_rgb15_mmx;
138 }
139 }
140
141 #endif /* HAVE_X86ASM */
142 return NULL;
143 }
144