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2ba45a60 DM |
1 | /* |
2 | * This file is part of FFmpeg. | |
3 | * | |
4 | * FFmpeg is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU Lesser General Public | |
6 | * License as published by the Free Software Foundation; either | |
7 | * version 2.1 of the License, or (at your option) any later version. | |
8 | * | |
9 | * FFmpeg is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * Lesser General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU Lesser General Public | |
15 | * License along with FFmpeg; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | ||
19 | #include "config.h" | |
20 | ||
21 | #include "fdct.h" | |
22 | #include "xvididct.h" | |
23 | #include "simple_idct.h" | |
24 | ||
25 | #if ARCH_X86_64 && HAVE_MMX && HAVE_YASM | |
26 | void ff_prores_idct_put_10_sse2(uint16_t *dst, int linesize, | |
27 | int16_t *block, int16_t *qmat); | |
28 | ||
29 | static void ff_prores_idct_put_10_sse2_wrap(int16_t *dst){ | |
30 | DECLARE_ALIGNED(16, static int16_t, qmat)[64]; | |
31 | DECLARE_ALIGNED(16, static int16_t, tmp)[64]; | |
32 | int i; | |
33 | ||
34 | for(i=0; i<64; i++){ | |
35 | qmat[i]=4; | |
36 | tmp[i]= dst[i]; | |
37 | } | |
38 | ff_prores_idct_put_10_sse2(dst, 16, tmp, qmat); | |
39 | ||
40 | for(i=0; i<64; i++) { | |
41 | dst[i] -= 512; | |
42 | } | |
43 | } | |
44 | #endif | |
45 | ||
46 | static const struct algo fdct_tab_arch[] = { | |
47 | #if HAVE_MMX_INLINE | |
48 | { "MMX", ff_fdct_mmx, FF_IDCT_PERM_NONE, AV_CPU_FLAG_MMX }, | |
49 | #endif | |
50 | #if HAVE_MMXEXT_INLINE | |
51 | { "MMXEXT", ff_fdct_mmxext, FF_IDCT_PERM_NONE, AV_CPU_FLAG_MMXEXT }, | |
52 | #endif | |
53 | #if HAVE_SSE2_INLINE | |
54 | { "SSE2", ff_fdct_sse2, FF_IDCT_PERM_NONE, AV_CPU_FLAG_SSE2 }, | |
55 | #endif | |
56 | { 0 } | |
57 | }; | |
58 | ||
59 | static const struct algo idct_tab_arch[] = { | |
60 | #if HAVE_MMX_INLINE | |
61 | { "SIMPLE-MMX", ff_simple_idct_mmx, FF_IDCT_PERM_SIMPLE, AV_CPU_FLAG_MMX }, | |
62 | #endif | |
63 | #if CONFIG_MPEG4_DECODER | |
64 | #if HAVE_MMX_INLINE | |
65 | { "XVID-MMX", ff_xvid_idct_mmx, FF_IDCT_PERM_NONE, AV_CPU_FLAG_MMX, 1 }, | |
66 | #endif | |
67 | #if HAVE_MMXEXT_INLINE | |
68 | { "XVID-MMXEXT", ff_xvid_idct_mmxext, FF_IDCT_PERM_NONE, AV_CPU_FLAG_MMXEXT, 1 }, | |
69 | #endif | |
70 | #if HAVE_SSE2_INLINE | |
71 | { "XVID-SSE2", ff_xvid_idct_sse2, FF_IDCT_PERM_SSE2, AV_CPU_FLAG_SSE2, 1 }, | |
72 | #if ARCH_X86_64 && HAVE_YASM | |
73 | { "PR-SSE2", ff_prores_idct_put_10_sse2_wrap, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_SSE2, 1 }, | |
74 | #endif | |
75 | #endif | |
76 | #endif /* CONFIG_MPEG4_DECODER */ | |
77 | { 0 } | |
78 | }; | |
79 | ||
80 | static short idct_simple_mmx_perm[64] = { | |
81 | 0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D, | |
82 | 0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D, | |
83 | 0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D, | |
84 | 0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F, | |
85 | 0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F, | |
86 | 0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D, | |
87 | 0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F, | |
88 | 0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F, | |
89 | }; | |
90 | ||
91 | static const uint8_t idct_sse2_row_perm[8] = { 0, 4, 1, 5, 2, 6, 3, 7 }; | |
92 | ||
93 | static int permute_x86(int16_t dst[64], const int16_t src[64], | |
94 | enum idct_permutation_type perm_type) | |
95 | { | |
96 | int i; | |
97 | ||
98 | switch (perm_type) { | |
99 | case FF_IDCT_PERM_SIMPLE: | |
100 | for (i = 0; i < 64; i++) | |
101 | dst[idct_simple_mmx_perm[i]] = src[i]; | |
102 | return 1; | |
103 | case FF_IDCT_PERM_SSE2: | |
104 | for (i = 0; i < 64; i++) | |
105 | dst[(i & 0x38) | idct_sse2_row_perm[i & 7]] = src[i]; | |
106 | return 1; | |
107 | } | |
108 | ||
109 | return 0; | |
110 | } |