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 #define COMPILE_TEMPLATE_MMX
48 #define RENAME(a) a ## _mmx
49 #include "yuv2rgb_template.c"
50 #undef COMPILE_TEMPLATE_MMX
51 #endif /* HAVE_MMX */
52
53 // MMXEXT versions
54 #undef RENAME
55 #define COMPILE_TEMPLATE_MMXEXT
56 #define RENAME(a) a ## _mmxext
57 #include "yuv2rgb_template.c"
58 #undef COMPILE_TEMPLATE_MMXEXT
59
60 //SSSE3 versions
61 #undef RENAME
62 #define COMPILE_TEMPLATE_SSSE3
63 #define RENAME(a) a ## _ssse3
64 #include "yuv2rgb_template.c"
65
66 #endif /* HAVE_X86ASM */
67
ff_yuv2rgb_init_x86(SwsContext * c)68 av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
69 {
70 #if HAVE_X86ASM
71 int cpu_flags = av_get_cpu_flags();
72
73 if (EXTERNAL_SSSE3(cpu_flags)) {
74 switch (c->dstFormat) {
75 case AV_PIX_FMT_RGB32:
76 if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
77 #if CONFIG_SWSCALE_ALPHA
78 return yuva420_rgb32_ssse3;
79 #endif
80 break;
81 } else
82 return yuv420_rgb32_ssse3;
83 case AV_PIX_FMT_BGR32:
84 if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
85 #if CONFIG_SWSCALE_ALPHA
86 return yuva420_bgr32_ssse3;
87 #endif
88 break;
89 } else
90 return yuv420_bgr32_ssse3;
91 case AV_PIX_FMT_RGB24:
92 return yuv420_rgb24_ssse3;
93 case AV_PIX_FMT_BGR24:
94 return yuv420_bgr24_ssse3;
95 case AV_PIX_FMT_RGB565:
96 return yuv420_rgb16_ssse3;
97 case AV_PIX_FMT_RGB555:
98 return yuv420_rgb15_ssse3;
99 }
100 }
101
102 if (EXTERNAL_MMXEXT(cpu_flags)) {
103 switch (c->dstFormat) {
104 case AV_PIX_FMT_RGB24:
105 return yuv420_rgb24_mmxext;
106 case AV_PIX_FMT_BGR24:
107 return yuv420_bgr24_mmxext;
108 }
109 }
110
111 if (EXTERNAL_MMX(cpu_flags)) {
112 switch (c->dstFormat) {
113 case AV_PIX_FMT_RGB32:
114 if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
115 #if CONFIG_SWSCALE_ALPHA
116 return yuva420_rgb32_mmx;
117 #endif
118 break;
119 } else
120 return yuv420_rgb32_mmx;
121 case AV_PIX_FMT_BGR32:
122 if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
123 #if CONFIG_SWSCALE_ALPHA
124 return yuva420_bgr32_mmx;
125 #endif
126 break;
127 } else
128 return yuv420_bgr32_mmx;
129 case AV_PIX_FMT_RGB565:
130 return yuv420_rgb16_mmx;
131 case AV_PIX_FMT_RGB555:
132 return yuv420_rgb15_mmx;
133 }
134 }
135
136 #endif /* HAVE_X86ASM */
137 return NULL;
138 }
139