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dct-test.c
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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
49 #endif
50 #if HAVE_MMXEXT_INLINE
52 #endif
53 #if HAVE_SSE2_INLINE
55 #endif
56  { 0 }
57 };
58 
59 static const struct algo idct_tab_arch[] = {
60 #if HAVE_MMX_INLINE
62 #endif
63 #if CONFIG_MPEG4_DECODER
64 #if HAVE_MMX_INLINE
66 #endif
67 #if HAVE_MMXEXT_INLINE
69 #endif
70 #if HAVE_SSE2_INLINE
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],
95 {
96  int i;
97 
98  switch (perm_type) {
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 }