aac5773f
 hucm
功能基本完成，接口待打磨
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/*
* software YUV to RGB converter
*
* Copyright (C) 2009 Konstantin Shishkov
*
* MMX/MMXEXT 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 FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; 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 "config.h"
#include "libswscale/rgb2rgb.h"
#include "libswscale/swscale.h"
#include "libswscale/swscale_internal.h"
#include "libavutil/attributes.h"
#include "libavutil/x86/asm.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_INLINE && HAVE_6REGS
#undef RENAME
#undef COMPILE_TEMPLATE_MMXEXT
#define COMPILE_TEMPLATE_MMXEXT 0
#define RENAME(a) a ## _mmx
#include "yuv2rgb_template.c"
#endif /* HAVE_MMX_INLINE && HAVE_6REGS */
// MMXEXT versions
#if HAVE_MMXEXT_INLINE && HAVE_6REGS
#undef RENAME
#undef COMPILE_TEMPLATE_MMXEXT
#define COMPILE_TEMPLATE_MMXEXT 1
#define RENAME(a) a ## _mmxext
#include "yuv2rgb_template.c"
#endif /* HAVE_MMXEXT_INLINE && HAVE_6REGS */
#endif /* HAVE_INLINE_ASM */
av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
{
#if HAVE_MMX_INLINE && HAVE_6REGS
int cpu_flags = av_get_cpu_flags();
#if HAVE_MMXEXT_INLINE
if (INLINE_MMXEXT(cpu_flags)) {
switch (c->dstFormat) {
case AV_PIX_FMT_RGB24:
return yuv420_rgb24_mmxext;
case AV_PIX_FMT_BGR24:
return yuv420_bgr24_mmxext;
}
}
#endif
if (INLINE_MMX(cpu_flags)) {
switch (c->dstFormat) {
case AV_PIX_FMT_RGB32:
if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
return yuva420_rgb32_mmx;
#endif
break;
} else
return yuv420_rgb32_mmx;
case AV_PIX_FMT_BGR32:
if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
return yuva420_bgr32_mmx;
#endif
break;
} else
return yuv420_bgr32_mmx;
case AV_PIX_FMT_RGB24:
return yuv420_rgb24_mmx;
case AV_PIX_FMT_BGR24:
return yuv420_bgr24_mmx;
case AV_PIX_FMT_RGB565:
return yuv420_rgb16_mmx;
case AV_PIX_FMT_RGB555:
return yuv420_rgb15_mmx;
}
}
#endif /* HAVE_MMX_INLINE && HAVE_6REGS */
return NULL;
}
|
