GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/me_cmp.c Lines: 306 576 53.1 %
Date: 2019-11-20 04:07:19 Branches: 52 167 31.1 %

Line Branch Exec Source
1
/*
2
 * DSP utils
3
 * Copyright (c) 2000, 2001 Fabrice Bellard
4
 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5
 *
6
 * This file is part of FFmpeg.
7
 *
8
 * FFmpeg is free software; you can redistribute it and/or
9
 * modify it under the terms of the GNU Lesser General Public
10
 * License as published by the Free Software Foundation; either
11
 * version 2.1 of the License, or (at your option) any later version.
12
 *
13
 * FFmpeg is distributed in the hope that it will be useful,
14
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16
 * Lesser General Public License for more details.
17
 *
18
 * You should have received a copy of the GNU Lesser General Public
19
 * License along with FFmpeg; if not, write to the Free Software
20
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21
 */
22
23
#include "libavutil/attributes.h"
24
#include "libavutil/internal.h"
25
#include "avcodec.h"
26
#include "copy_block.h"
27
#include "simple_idct.h"
28
#include "me_cmp.h"
29
#include "mpegvideo.h"
30
#include "config.h"
31
32
/* (i - 256) * (i - 256) */
33
const uint32_t ff_square_tab[512] = {
34
    65536, 65025, 64516, 64009, 63504, 63001, 62500, 62001, 61504, 61009, 60516, 60025, 59536, 59049, 58564, 58081,
35
    57600, 57121, 56644, 56169, 55696, 55225, 54756, 54289, 53824, 53361, 52900, 52441, 51984, 51529, 51076, 50625,
36
    50176, 49729, 49284, 48841, 48400, 47961, 47524, 47089, 46656, 46225, 45796, 45369, 44944, 44521, 44100, 43681,
37
    43264, 42849, 42436, 42025, 41616, 41209, 40804, 40401, 40000, 39601, 39204, 38809, 38416, 38025, 37636, 37249,
38
    36864, 36481, 36100, 35721, 35344, 34969, 34596, 34225, 33856, 33489, 33124, 32761, 32400, 32041, 31684, 31329,
39
    30976, 30625, 30276, 29929, 29584, 29241, 28900, 28561, 28224, 27889, 27556, 27225, 26896, 26569, 26244, 25921,
40
    25600, 25281, 24964, 24649, 24336, 24025, 23716, 23409, 23104, 22801, 22500, 22201, 21904, 21609, 21316, 21025,
41
    20736, 20449, 20164, 19881, 19600, 19321, 19044, 18769, 18496, 18225, 17956, 17689, 17424, 17161, 16900, 16641,
42
    16384, 16129, 15876, 15625, 15376, 15129, 14884, 14641, 14400, 14161, 13924, 13689, 13456, 13225, 12996, 12769,
43
    12544, 12321, 12100, 11881, 11664, 11449, 11236, 11025, 10816, 10609, 10404, 10201, 10000,  9801,  9604,  9409,
44
     9216,  9025,  8836,  8649,  8464,  8281,  8100,  7921,  7744,  7569,  7396,  7225,  7056,  6889,  6724,  6561,
45
     6400,  6241,  6084,  5929,  5776,  5625,  5476,  5329,  5184,  5041,  4900,  4761,  4624,  4489,  4356,  4225,
46
     4096,  3969,  3844,  3721,  3600,  3481,  3364,  3249,  3136,  3025,  2916,  2809,  2704,  2601,  2500,  2401,
47
     2304,  2209,  2116,  2025,  1936,  1849,  1764,  1681,  1600,  1521,  1444,  1369,  1296,  1225,  1156,  1089,
48
     1024,   961,   900,   841,   784,   729,   676,   625,   576,   529,   484,   441,   400,   361,   324,   289,
49
      256,   225,   196,   169,   144,   121,   100,    81,    64,    49,    36,    25,    16,     9,     4,     1,
50
        0,     1,     4,     9,    16,    25,    36,    49,    64,    81,   100,   121,   144,   169,   196,   225,
51
      256,   289,   324,   361,   400,   441,   484,   529,   576,   625,   676,   729,   784,   841,   900,   961,
52
     1024,  1089,  1156,  1225,  1296,  1369,  1444,  1521,  1600,  1681,  1764,  1849,  1936,  2025,  2116,  2209,
53
     2304,  2401,  2500,  2601,  2704,  2809,  2916,  3025,  3136,  3249,  3364,  3481,  3600,  3721,  3844,  3969,
54
     4096,  4225,  4356,  4489,  4624,  4761,  4900,  5041,  5184,  5329,  5476,  5625,  5776,  5929,  6084,  6241,
55
     6400,  6561,  6724,  6889,  7056,  7225,  7396,  7569,  7744,  7921,  8100,  8281,  8464,  8649,  8836,  9025,
56
     9216,  9409,  9604,  9801, 10000, 10201, 10404, 10609, 10816, 11025, 11236, 11449, 11664, 11881, 12100, 12321,
57
    12544, 12769, 12996, 13225, 13456, 13689, 13924, 14161, 14400, 14641, 14884, 15129, 15376, 15625, 15876, 16129,
58
    16384, 16641, 16900, 17161, 17424, 17689, 17956, 18225, 18496, 18769, 19044, 19321, 19600, 19881, 20164, 20449,
59
    20736, 21025, 21316, 21609, 21904, 22201, 22500, 22801, 23104, 23409, 23716, 24025, 24336, 24649, 24964, 25281,
60
    25600, 25921, 26244, 26569, 26896, 27225, 27556, 27889, 28224, 28561, 28900, 29241, 29584, 29929, 30276, 30625,
61
    30976, 31329, 31684, 32041, 32400, 32761, 33124, 33489, 33856, 34225, 34596, 34969, 35344, 35721, 36100, 36481,
62
    36864, 37249, 37636, 38025, 38416, 38809, 39204, 39601, 40000, 40401, 40804, 41209, 41616, 42025, 42436, 42849,
63
    43264, 43681, 44100, 44521, 44944, 45369, 45796, 46225, 46656, 47089, 47524, 47961, 48400, 48841, 49284, 49729,
64
    50176, 50625, 51076, 51529, 51984, 52441, 52900, 53361, 53824, 54289, 54756, 55225, 55696, 56169, 56644, 57121,
65
    57600, 58081, 58564, 59049, 59536, 60025, 60516, 61009, 61504, 62001, 62500, 63001, 63504, 64009, 64516, 65025,
66
};
67
68
static int sse4_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
69
                  ptrdiff_t stride, int h)
70
{
71
    int s = 0, i;
72
    const uint32_t *sq = ff_square_tab + 256;
73
74
    for (i = 0; i < h; i++) {
75
        s    += sq[pix1[0] - pix2[0]];
76
        s    += sq[pix1[1] - pix2[1]];
77
        s    += sq[pix1[2] - pix2[2]];
78
        s    += sq[pix1[3] - pix2[3]];
79
        pix1 += stride;
80
        pix2 += stride;
81
    }
82
    return s;
83
}
84
85
5002254
static int sse8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
86
                  ptrdiff_t stride, int h)
87
{
88
5002254
    int s = 0, i;
89
5002254
    const uint32_t *sq = ff_square_tab + 256;
90
91
45020286
    for (i = 0; i < h; i++) {
92
40018032
        s    += sq[pix1[0] - pix2[0]];
93
40018032
        s    += sq[pix1[1] - pix2[1]];
94
40018032
        s    += sq[pix1[2] - pix2[2]];
95
40018032
        s    += sq[pix1[3] - pix2[3]];
96
40018032
        s    += sq[pix1[4] - pix2[4]];
97
40018032
        s    += sq[pix1[5] - pix2[5]];
98
40018032
        s    += sq[pix1[6] - pix2[6]];
99
40018032
        s    += sq[pix1[7] - pix2[7]];
100
40018032
        pix1 += stride;
101
40018032
        pix2 += stride;
102
    }
103
5002254
    return s;
104
}
105
106
7099240
static int sse16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
107
                   ptrdiff_t stride, int h)
108
{
109
7099240
    int s = 0, i;
110
7099240
    const uint32_t *sq = ff_square_tab + 256;
111
112
120687080
    for (i = 0; i < h; i++) {
113
113587840
        s += sq[pix1[0]  - pix2[0]];
114
113587840
        s += sq[pix1[1]  - pix2[1]];
115
113587840
        s += sq[pix1[2]  - pix2[2]];
116
113587840
        s += sq[pix1[3]  - pix2[3]];
117
113587840
        s += sq[pix1[4]  - pix2[4]];
118
113587840
        s += sq[pix1[5]  - pix2[5]];
119
113587840
        s += sq[pix1[6]  - pix2[6]];
120
113587840
        s += sq[pix1[7]  - pix2[7]];
121
113587840
        s += sq[pix1[8]  - pix2[8]];
122
113587840
        s += sq[pix1[9]  - pix2[9]];
123
113587840
        s += sq[pix1[10] - pix2[10]];
124
113587840
        s += sq[pix1[11] - pix2[11]];
125
113587840
        s += sq[pix1[12] - pix2[12]];
126
113587840
        s += sq[pix1[13] - pix2[13]];
127
113587840
        s += sq[pix1[14] - pix2[14]];
128
113587840
        s += sq[pix1[15] - pix2[15]];
129
130
113587840
        pix1 += stride;
131
113587840
        pix2 += stride;
132
    }
133
7099240
    return s;
134
}
135
136
static int sum_abs_dctelem_c(int16_t *block)
137
{
138
    int sum = 0, i;
139
140
    for (i = 0; i < 64; i++)
141
        sum += FFABS(block[i]);
142
    return sum;
143
}
144
145
#define avg2(a, b) (((a) + (b) + 1) >> 1)
146
#define avg4(a, b, c, d) (((a) + (b) + (c) + (d) + 2) >> 2)
147
148
40702164
static inline int pix_abs16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
149
                              ptrdiff_t stride, int h)
150
{
151
40702164
    int s = 0, i;
152
153
611390620
    for (i = 0; i < h; i++) {
154
570688456
        s    += abs(pix1[0]  - pix2[0]);
155
570688456
        s    += abs(pix1[1]  - pix2[1]);
156
570688456
        s    += abs(pix1[2]  - pix2[2]);
157
570688456
        s    += abs(pix1[3]  - pix2[3]);
158
570688456
        s    += abs(pix1[4]  - pix2[4]);
159
570688456
        s    += abs(pix1[5]  - pix2[5]);
160
570688456
        s    += abs(pix1[6]  - pix2[6]);
161
570688456
        s    += abs(pix1[7]  - pix2[7]);
162
570688456
        s    += abs(pix1[8]  - pix2[8]);
163
570688456
        s    += abs(pix1[9]  - pix2[9]);
164
570688456
        s    += abs(pix1[10] - pix2[10]);
165
570688456
        s    += abs(pix1[11] - pix2[11]);
166
570688456
        s    += abs(pix1[12] - pix2[12]);
167
570688456
        s    += abs(pix1[13] - pix2[13]);
168
570688456
        s    += abs(pix1[14] - pix2[14]);
169
570688456
        s    += abs(pix1[15] - pix2[15]);
170
570688456
        pix1 += stride;
171
570688456
        pix2 += stride;
172
    }
173
40702164
    return s;
174
}
175
176
static inline int pix_median_abs16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
177
                             ptrdiff_t stride, int h)
178
{
179
    int s = 0, i, j;
180
181
#define V(x) (pix1[x] - pix2[x])
182
183
    s    += abs(V(0));
184
    s    += abs(V(1) - V(0));
185
    s    += abs(V(2) - V(1));
186
    s    += abs(V(3) - V(2));
187
    s    += abs(V(4) - V(3));
188
    s    += abs(V(5) - V(4));
189
    s    += abs(V(6) - V(5));
190
    s    += abs(V(7) - V(6));
191
    s    += abs(V(8) - V(7));
192
    s    += abs(V(9) - V(8));
193
    s    += abs(V(10) - V(9));
194
    s    += abs(V(11) - V(10));
195
    s    += abs(V(12) - V(11));
196
    s    += abs(V(13) - V(12));
197
    s    += abs(V(14) - V(13));
198
    s    += abs(V(15) - V(14));
199
200
    pix1 += stride;
201
    pix2 += stride;
202
203
    for (i = 1; i < h; i++) {
204
        s    += abs(V(0) - V(-stride));
205
        for (j = 1; j < 16; j++)
206
            s    += abs(V(j) - mid_pred(V(j-stride), V(j-1), V(j-stride) + V(j-1) - V(j-stride-1)));
207
        pix1 += stride;
208
        pix2 += stride;
209
210
    }
211
#undef V
212
    return s;
213
}
214
215
3046787
static int pix_abs16_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
216
                          ptrdiff_t stride, int h)
217
{
218
3046787
    int s = 0, i;
219
220
42483835
    for (i = 0; i < h; i++) {
221
39437048
        s    += abs(pix1[0]  - avg2(pix2[0],  pix2[1]));
222
39437048
        s    += abs(pix1[1]  - avg2(pix2[1],  pix2[2]));
223
39437048
        s    += abs(pix1[2]  - avg2(pix2[2],  pix2[3]));
224
39437048
        s    += abs(pix1[3]  - avg2(pix2[3],  pix2[4]));
225
39437048
        s    += abs(pix1[4]  - avg2(pix2[4],  pix2[5]));
226
39437048
        s    += abs(pix1[5]  - avg2(pix2[5],  pix2[6]));
227
39437048
        s    += abs(pix1[6]  - avg2(pix2[6],  pix2[7]));
228
39437048
        s    += abs(pix1[7]  - avg2(pix2[7],  pix2[8]));
229
39437048
        s    += abs(pix1[8]  - avg2(pix2[8],  pix2[9]));
230
39437048
        s    += abs(pix1[9]  - avg2(pix2[9],  pix2[10]));
231
39437048
        s    += abs(pix1[10] - avg2(pix2[10], pix2[11]));
232
39437048
        s    += abs(pix1[11] - avg2(pix2[11], pix2[12]));
233
39437048
        s    += abs(pix1[12] - avg2(pix2[12], pix2[13]));
234
39437048
        s    += abs(pix1[13] - avg2(pix2[13], pix2[14]));
235
39437048
        s    += abs(pix1[14] - avg2(pix2[14], pix2[15]));
236
39437048
        s    += abs(pix1[15] - avg2(pix2[15], pix2[16]));
237
39437048
        pix1 += stride;
238
39437048
        pix2 += stride;
239
    }
240
3046787
    return s;
241
}
242
243
3046787
static int pix_abs16_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
244
                          ptrdiff_t stride, int h)
245
{
246
3046787
    int s = 0, i;
247
3046787
    uint8_t *pix3 = pix2 + stride;
248
249
42483835
    for (i = 0; i < h; i++) {
250
39437048
        s    += abs(pix1[0]  - avg2(pix2[0],  pix3[0]));
251
39437048
        s    += abs(pix1[1]  - avg2(pix2[1],  pix3[1]));
252
39437048
        s    += abs(pix1[2]  - avg2(pix2[2],  pix3[2]));
253
39437048
        s    += abs(pix1[3]  - avg2(pix2[3],  pix3[3]));
254
39437048
        s    += abs(pix1[4]  - avg2(pix2[4],  pix3[4]));
255
39437048
        s    += abs(pix1[5]  - avg2(pix2[5],  pix3[5]));
256
39437048
        s    += abs(pix1[6]  - avg2(pix2[6],  pix3[6]));
257
39437048
        s    += abs(pix1[7]  - avg2(pix2[7],  pix3[7]));
258
39437048
        s    += abs(pix1[8]  - avg2(pix2[8],  pix3[8]));
259
39437048
        s    += abs(pix1[9]  - avg2(pix2[9],  pix3[9]));
260
39437048
        s    += abs(pix1[10] - avg2(pix2[10], pix3[10]));
261
39437048
        s    += abs(pix1[11] - avg2(pix2[11], pix3[11]));
262
39437048
        s    += abs(pix1[12] - avg2(pix2[12], pix3[12]));
263
39437048
        s    += abs(pix1[13] - avg2(pix2[13], pix3[13]));
264
39437048
        s    += abs(pix1[14] - avg2(pix2[14], pix3[14]));
265
39437048
        s    += abs(pix1[15] - avg2(pix2[15], pix3[15]));
266
39437048
        pix1 += stride;
267
39437048
        pix2 += stride;
268
39437048
        pix3 += stride;
269
    }
270
3046787
    return s;
271
}
272
273
6093574
static int pix_abs16_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
274
                           ptrdiff_t stride, int h)
275
{
276
6093574
    int s = 0, i;
277
6093574
    uint8_t *pix3 = pix2 + stride;
278
279
84967670
    for (i = 0; i < h; i++) {
280
78874096
        s    += abs(pix1[0]  - avg4(pix2[0],  pix2[1],  pix3[0],  pix3[1]));
281
78874096
        s    += abs(pix1[1]  - avg4(pix2[1],  pix2[2],  pix3[1],  pix3[2]));
282
78874096
        s    += abs(pix1[2]  - avg4(pix2[2],  pix2[3],  pix3[2],  pix3[3]));
283
78874096
        s    += abs(pix1[3]  - avg4(pix2[3],  pix2[4],  pix3[3],  pix3[4]));
284
78874096
        s    += abs(pix1[4]  - avg4(pix2[4],  pix2[5],  pix3[4],  pix3[5]));
285
78874096
        s    += abs(pix1[5]  - avg4(pix2[5],  pix2[6],  pix3[5],  pix3[6]));
286
78874096
        s    += abs(pix1[6]  - avg4(pix2[6],  pix2[7],  pix3[6],  pix3[7]));
287
78874096
        s    += abs(pix1[7]  - avg4(pix2[7],  pix2[8],  pix3[7],  pix3[8]));
288
78874096
        s    += abs(pix1[8]  - avg4(pix2[8],  pix2[9],  pix3[8],  pix3[9]));
289
78874096
        s    += abs(pix1[9]  - avg4(pix2[9],  pix2[10], pix3[9],  pix3[10]));
290
78874096
        s    += abs(pix1[10] - avg4(pix2[10], pix2[11], pix3[10], pix3[11]));
291
78874096
        s    += abs(pix1[11] - avg4(pix2[11], pix2[12], pix3[11], pix3[12]));
292
78874096
        s    += abs(pix1[12] - avg4(pix2[12], pix2[13], pix3[12], pix3[13]));
293
78874096
        s    += abs(pix1[13] - avg4(pix2[13], pix2[14], pix3[13], pix3[14]));
294
78874096
        s    += abs(pix1[14] - avg4(pix2[14], pix2[15], pix3[14], pix3[15]));
295
78874096
        s    += abs(pix1[15] - avg4(pix2[15], pix2[16], pix3[15], pix3[16]));
296
78874096
        pix1 += stride;
297
78874096
        pix2 += stride;
298
78874096
        pix3 += stride;
299
    }
300
6093574
    return s;
301
}
302
303
31769153
static inline int pix_abs8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
304
                             ptrdiff_t stride, int h)
305
{
306
31769153
    int s = 0, i;
307
308
285922377
    for (i = 0; i < h; i++) {
309
254153224
        s    += abs(pix1[0] - pix2[0]);
310
254153224
        s    += abs(pix1[1] - pix2[1]);
311
254153224
        s    += abs(pix1[2] - pix2[2]);
312
254153224
        s    += abs(pix1[3] - pix2[3]);
313
254153224
        s    += abs(pix1[4] - pix2[4]);
314
254153224
        s    += abs(pix1[5] - pix2[5]);
315
254153224
        s    += abs(pix1[6] - pix2[6]);
316
254153224
        s    += abs(pix1[7] - pix2[7]);
317
254153224
        pix1 += stride;
318
254153224
        pix2 += stride;
319
    }
320
31769153
    return s;
321
}
322
323
static inline int pix_median_abs8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
324
                             ptrdiff_t stride, int h)
325
{
326
    int s = 0, i, j;
327
328
#define V(x) (pix1[x] - pix2[x])
329
330
    s    += abs(V(0));
331
    s    += abs(V(1) - V(0));
332
    s    += abs(V(2) - V(1));
333
    s    += abs(V(3) - V(2));
334
    s    += abs(V(4) - V(3));
335
    s    += abs(V(5) - V(4));
336
    s    += abs(V(6) - V(5));
337
    s    += abs(V(7) - V(6));
338
339
    pix1 += stride;
340
    pix2 += stride;
341
342
    for (i = 1; i < h; i++) {
343
        s    += abs(V(0) - V(-stride));
344
        for (j = 1; j < 8; j++)
345
            s    += abs(V(j) - mid_pred(V(j-stride), V(j-1), V(j-stride) + V(j-1) - V(j-stride-1)));
346
        pix1 += stride;
347
        pix2 += stride;
348
349
    }
350
#undef V
351
    return s;
352
}
353
354
837549
static int pix_abs8_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
355
                         ptrdiff_t stride, int h)
356
{
357
837549
    int s = 0, i;
358
359
7537941
    for (i = 0; i < h; i++) {
360
6700392
        s    += abs(pix1[0] - avg2(pix2[0], pix2[1]));
361
6700392
        s    += abs(pix1[1] - avg2(pix2[1], pix2[2]));
362
6700392
        s    += abs(pix1[2] - avg2(pix2[2], pix2[3]));
363
6700392
        s    += abs(pix1[3] - avg2(pix2[3], pix2[4]));
364
6700392
        s    += abs(pix1[4] - avg2(pix2[4], pix2[5]));
365
6700392
        s    += abs(pix1[5] - avg2(pix2[5], pix2[6]));
366
6700392
        s    += abs(pix1[6] - avg2(pix2[6], pix2[7]));
367
6700392
        s    += abs(pix1[7] - avg2(pix2[7], pix2[8]));
368
6700392
        pix1 += stride;
369
6700392
        pix2 += stride;
370
    }
371
837549
    return s;
372
}
373
374
837549
static int pix_abs8_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
375
                         ptrdiff_t stride, int h)
376
{
377
837549
    int s = 0, i;
378
837549
    uint8_t *pix3 = pix2 + stride;
379
380
7537941
    for (i = 0; i < h; i++) {
381
6700392
        s    += abs(pix1[0] - avg2(pix2[0], pix3[0]));
382
6700392
        s    += abs(pix1[1] - avg2(pix2[1], pix3[1]));
383
6700392
        s    += abs(pix1[2] - avg2(pix2[2], pix3[2]));
384
6700392
        s    += abs(pix1[3] - avg2(pix2[3], pix3[3]));
385
6700392
        s    += abs(pix1[4] - avg2(pix2[4], pix3[4]));
386
6700392
        s    += abs(pix1[5] - avg2(pix2[5], pix3[5]));
387
6700392
        s    += abs(pix1[6] - avg2(pix2[6], pix3[6]));
388
6700392
        s    += abs(pix1[7] - avg2(pix2[7], pix3[7]));
389
6700392
        pix1 += stride;
390
6700392
        pix2 += stride;
391
6700392
        pix3 += stride;
392
    }
393
837549
    return s;
394
}
395
396
1675098
static int pix_abs8_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
397
                          ptrdiff_t stride, int h)
398
{
399
1675098
    int s = 0, i;
400
1675098
    uint8_t *pix3 = pix2 + stride;
401
402
15075882
    for (i = 0; i < h; i++) {
403
13400784
        s    += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1]));
404
13400784
        s    += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2]));
405
13400784
        s    += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3]));
406
13400784
        s    += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4]));
407
13400784
        s    += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5]));
408
13400784
        s    += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6]));
409
13400784
        s    += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7]));
410
13400784
        s    += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8]));
411
13400784
        pix1 += stride;
412
13400784
        pix2 += stride;
413
13400784
        pix3 += stride;
414
    }
415
1675098
    return s;
416
}
417
418
748141
static int nsse16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,
419
                    ptrdiff_t stride, int h)
420
{
421
748141
    int score1 = 0, score2 = 0, x, y;
422
423
12718397
    for (y = 0; y < h; y++) {
424
203494352
        for (x = 0; x < 16; x++)
425
191524096
            score1 += (s1[x] - s2[x]) * (s1[x] - s2[x]);
426
11970256
        if (y + 1 < h) {
427
179553840
            for (x = 0; x < 15; x++)
428
168331725
                score2 += FFABS(s1[x]     - s1[x + stride] -
429
168331725
                                s1[x + 1] + s1[x + stride + 1]) -
430
168331725
                          FFABS(s2[x]     - s2[x + stride] -
431
                                s2[x + 1] + s2[x + stride + 1]);
432
        }
433
11970256
        s1 += stride;
434
11970256
        s2 += stride;
435
    }
436
437
748141
    if (c)
438
748141
        return score1 + FFABS(score2) * c->avctx->nsse_weight;
439
    else
440
        return score1 + FFABS(score2) * 8;
441
}
442
443
static int nsse8_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,
444
                   ptrdiff_t stride, int h)
445
{
446
    int score1 = 0, score2 = 0, x, y;
447
448
    for (y = 0; y < h; y++) {
449
        for (x = 0; x < 8; x++)
450
            score1 += (s1[x] - s2[x]) * (s1[x] - s2[x]);
451
        if (y + 1 < h) {
452
            for (x = 0; x < 7; x++)
453
                score2 += FFABS(s1[x]     - s1[x + stride] -
454
                                s1[x + 1] + s1[x + stride + 1]) -
455
                          FFABS(s2[x]     - s2[x + stride] -
456
                                s2[x + 1] + s2[x + stride + 1]);
457
        }
458
        s1 += stride;
459
        s2 += stride;
460
    }
461
462
    if (c)
463
        return score1 + FFABS(score2) * c->avctx->nsse_weight;
464
    else
465
        return score1 + FFABS(score2) * 8;
466
}
467
468
static int zero_cmp(MpegEncContext *s, uint8_t *a, uint8_t *b,
469
                    ptrdiff_t stride, int h)
470
{
471
    return 0;
472
}
473
474
38252
void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type)
475
{
476
    int i;
477
478
38252
    memset(cmp, 0, sizeof(void *) * 6);
479
480
267764
    for (i = 0; i < 6; i++) {
481




229512
        switch (type & 0xFF) {
482
209136
        case FF_CMP_SAD:
483
209136
            cmp[i] = c->sad[i];
484
209136
            break;
485
        case FF_CMP_MEDIAN_SAD:
486
            cmp[i] = c->median_sad[i];
487
            break;
488
7200
        case FF_CMP_SATD:
489
7200
            cmp[i] = c->hadamard8_diff[i];
490
7200
            break;
491
2748
        case FF_CMP_SSE:
492
2748
            cmp[i] = c->sse[i];
493
2748
            break;
494
        case FF_CMP_DCT:
495
            cmp[i] = c->dct_sad[i];
496
            break;
497
        case FF_CMP_DCT264:
498
            cmp[i] = c->dct264_sad[i];
499
            break;
500
1068
        case FF_CMP_DCTMAX:
501
1068
            cmp[i] = c->dct_max[i];
502
1068
            break;
503
        case FF_CMP_PSNR:
504
            cmp[i] = c->quant_psnr[i];
505
            break;
506
        case FF_CMP_BIT:
507
            cmp[i] = c->bit[i];
508
            break;
509
        case FF_CMP_RD:
510
            cmp[i] = c->rd[i];
511
            break;
512
1224
        case FF_CMP_VSAD:
513
1224
            cmp[i] = c->vsad[i];
514
1224
            break;
515
        case FF_CMP_VSSE:
516
            cmp[i] = c->vsse[i];
517
            break;
518
        case FF_CMP_ZERO:
519
            cmp[i] = zero_cmp;
520
            break;
521
4824
        case FF_CMP_NSSE:
522
4824
            cmp[i] = c->nsse[i];
523
4824
            break;
524
#if CONFIG_DWT
525
        case FF_CMP_W53:
526
            cmp[i]= c->w53[i];
527
            break;
528
3312
        case FF_CMP_W97:
529
3312
            cmp[i]= c->w97[i];
530
3312
            break;
531
#endif
532
        default:
533
            av_log(NULL, AV_LOG_ERROR,
534
                   "internal error in cmp function selection\n");
535
        }
536
    }
537
38252
}
538
539
#define BUTTERFLY2(o1, o2, i1, i2)              \
540
    o1 = (i1) + (i2);                           \
541
    o2 = (i1) - (i2);
542
543
#define BUTTERFLY1(x, y)                        \
544
    {                                           \
545
        int a, b;                               \
546
        a = x;                                  \
547
        b = y;                                  \
548
        x = a + b;                              \
549
        y = a - b;                              \
550
    }
551
552
#define BUTTERFLYA(x, y) (FFABS((x) + (y)) + FFABS((x) - (y)))
553
554
15481796
static int hadamard8_diff8x8_c(MpegEncContext *s, uint8_t *dst,
555
                               uint8_t *src, ptrdiff_t stride, int h)
556
{
557
15481796
    int i, temp[64], sum = 0;
558
559
    av_assert2(h == 8);
560
561
139336164
    for (i = 0; i < 8; i++) {
562
        // FIXME: try pointer walks
563
123854368
        BUTTERFLY2(temp[8 * i + 0], temp[8 * i + 1],
564
                   src[stride * i + 0] - dst[stride * i + 0],
565
                   src[stride * i + 1] - dst[stride * i + 1]);
566
123854368
        BUTTERFLY2(temp[8 * i + 2], temp[8 * i + 3],
567
                   src[stride * i + 2] - dst[stride * i + 2],
568
                   src[stride * i + 3] - dst[stride * i + 3]);
569
123854368
        BUTTERFLY2(temp[8 * i + 4], temp[8 * i + 5],
570
                   src[stride * i + 4] - dst[stride * i + 4],
571
                   src[stride * i + 5] - dst[stride * i + 5]);
572
123854368
        BUTTERFLY2(temp[8 * i + 6], temp[8 * i + 7],
573
                   src[stride * i + 6] - dst[stride * i + 6],
574
                   src[stride * i + 7] - dst[stride * i + 7]);
575
576
123854368
        BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 2]);
577
123854368
        BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 3]);
578
123854368
        BUTTERFLY1(temp[8 * i + 4], temp[8 * i + 6]);
579
123854368
        BUTTERFLY1(temp[8 * i + 5], temp[8 * i + 7]);
580
581
123854368
        BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 4]);
582
123854368
        BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 5]);
583
123854368
        BUTTERFLY1(temp[8 * i + 2], temp[8 * i + 6]);
584
123854368
        BUTTERFLY1(temp[8 * i + 3], temp[8 * i + 7]);
585
    }
586
587
139336164
    for (i = 0; i < 8; i++) {
588
123854368
        BUTTERFLY1(temp[8 * 0 + i], temp[8 * 1 + i]);
589
123854368
        BUTTERFLY1(temp[8 * 2 + i], temp[8 * 3 + i]);
590
123854368
        BUTTERFLY1(temp[8 * 4 + i], temp[8 * 5 + i]);
591
123854368
        BUTTERFLY1(temp[8 * 6 + i], temp[8 * 7 + i]);
592
593
123854368
        BUTTERFLY1(temp[8 * 0 + i], temp[8 * 2 + i]);
594
123854368
        BUTTERFLY1(temp[8 * 1 + i], temp[8 * 3 + i]);
595
123854368
        BUTTERFLY1(temp[8 * 4 + i], temp[8 * 6 + i]);
596
123854368
        BUTTERFLY1(temp[8 * 5 + i], temp[8 * 7 + i]);
597
598
123854368
        sum += BUTTERFLYA(temp[8 * 0 + i], temp[8 * 4 + i]) +
599
123854368
               BUTTERFLYA(temp[8 * 1 + i], temp[8 * 5 + i]) +
600
123854368
               BUTTERFLYA(temp[8 * 2 + i], temp[8 * 6 + i]) +
601
123854368
               BUTTERFLYA(temp[8 * 3 + i], temp[8 * 7 + i]);
602
    }
603
15481796
    return sum;
604
}
605
606
static int hadamard8_intra8x8_c(MpegEncContext *s, uint8_t *src,
607
                                uint8_t *dummy, ptrdiff_t stride, int h)
608
{
609
    int i, temp[64], sum = 0;
610
611
    av_assert2(h == 8);
612
613
    for (i = 0; i < 8; i++) {
614
        // FIXME: try pointer walks
615
        BUTTERFLY2(temp[8 * i + 0], temp[8 * i + 1],
616
                   src[stride * i + 0], src[stride * i + 1]);
617
        BUTTERFLY2(temp[8 * i + 2], temp[8 * i + 3],
618
                   src[stride * i + 2], src[stride * i + 3]);
619
        BUTTERFLY2(temp[8 * i + 4], temp[8 * i + 5],
620
                   src[stride * i + 4], src[stride * i + 5]);
621
        BUTTERFLY2(temp[8 * i + 6], temp[8 * i + 7],
622
                   src[stride * i + 6], src[stride * i + 7]);
623
624
        BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 2]);
625
        BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 3]);
626
        BUTTERFLY1(temp[8 * i + 4], temp[8 * i + 6]);
627
        BUTTERFLY1(temp[8 * i + 5], temp[8 * i + 7]);
628
629
        BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 4]);
630
        BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 5]);
631
        BUTTERFLY1(temp[8 * i + 2], temp[8 * i + 6]);
632
        BUTTERFLY1(temp[8 * i + 3], temp[8 * i + 7]);
633
    }
634
635
    for (i = 0; i < 8; i++) {
636
        BUTTERFLY1(temp[8 * 0 + i], temp[8 * 1 + i]);
637
        BUTTERFLY1(temp[8 * 2 + i], temp[8 * 3 + i]);
638
        BUTTERFLY1(temp[8 * 4 + i], temp[8 * 5 + i]);
639
        BUTTERFLY1(temp[8 * 6 + i], temp[8 * 7 + i]);
640
641
        BUTTERFLY1(temp[8 * 0 + i], temp[8 * 2 + i]);
642
        BUTTERFLY1(temp[8 * 1 + i], temp[8 * 3 + i]);
643
        BUTTERFLY1(temp[8 * 4 + i], temp[8 * 6 + i]);
644
        BUTTERFLY1(temp[8 * 5 + i], temp[8 * 7 + i]);
645
646
        sum +=
647
            BUTTERFLYA(temp[8 * 0 + i], temp[8 * 4 + i])
648
            + BUTTERFLYA(temp[8 * 1 + i], temp[8 * 5 + i])
649
            + BUTTERFLYA(temp[8 * 2 + i], temp[8 * 6 + i])
650
            + BUTTERFLYA(temp[8 * 3 + i], temp[8 * 7 + i]);
651
    }
652
653
    sum -= FFABS(temp[8 * 0] + temp[8 * 4]); // -mean
654
655
    return sum;
656
}
657
658
static int dct_sad8x8_c(MpegEncContext *s, uint8_t *src1,
659
                        uint8_t *src2, ptrdiff_t stride, int h)
660
{
661
    LOCAL_ALIGNED_16(int16_t, temp, [64]);
662
663
    av_assert2(h == 8);
664
665
    s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride);
666
    s->fdsp.fdct(temp);
667
    return s->mecc.sum_abs_dctelem(temp);
668
}
669
670
#if CONFIG_GPL
671
#define DCT8_1D                                         \
672
    {                                                   \
673
        const int s07 = SRC(0) + SRC(7);                \
674
        const int s16 = SRC(1) + SRC(6);                \
675
        const int s25 = SRC(2) + SRC(5);                \
676
        const int s34 = SRC(3) + SRC(4);                \
677
        const int a0  = s07 + s34;                      \
678
        const int a1  = s16 + s25;                      \
679
        const int a2  = s07 - s34;                      \
680
        const int a3  = s16 - s25;                      \
681
        const int d07 = SRC(0) - SRC(7);                \
682
        const int d16 = SRC(1) - SRC(6);                \
683
        const int d25 = SRC(2) - SRC(5);                \
684
        const int d34 = SRC(3) - SRC(4);                \
685
        const int a4  = d16 + d25 + (d07 + (d07 >> 1)); \
686
        const int a5  = d07 - d34 - (d25 + (d25 >> 1)); \
687
        const int a6  = d07 + d34 - (d16 + (d16 >> 1)); \
688
        const int a7  = d16 - d25 + (d34 + (d34 >> 1)); \
689
        DST(0, a0 + a1);                                \
690
        DST(1, a4 + (a7 >> 2));                         \
691
        DST(2, a2 + (a3 >> 1));                         \
692
        DST(3, a5 + (a6 >> 2));                         \
693
        DST(4, a0 - a1);                                \
694
        DST(5, a6 - (a5 >> 2));                         \
695
        DST(6, (a2 >> 1) - a3);                         \
696
        DST(7, (a4 >> 2) - a7);                         \
697
    }
698
699
static int dct264_sad8x8_c(MpegEncContext *s, uint8_t *src1,
700
                           uint8_t *src2, ptrdiff_t stride, int h)
701
{
702
    int16_t dct[8][8];
703
    int i, sum = 0;
704
705
    s->pdsp.diff_pixels_unaligned(dct[0], src1, src2, stride);
706
707
#define SRC(x) dct[i][x]
708
#define DST(x, v) dct[i][x] = v
709
    for (i = 0; i < 8; i++)
710
        DCT8_1D
711
#undef SRC
712
#undef DST
713
714
#define SRC(x) dct[x][i]
715
#define DST(x, v) sum += FFABS(v)
716
        for (i = 0; i < 8; i++)
717
            DCT8_1D
718
#undef SRC
719
#undef DST
720
            return sum;
721
}
722
#endif
723
724
static int dct_max8x8_c(MpegEncContext *s, uint8_t *src1,
725
                        uint8_t *src2, ptrdiff_t stride, int h)
726
{
727
    LOCAL_ALIGNED_16(int16_t, temp, [64]);
728
    int sum = 0, i;
729
730
    av_assert2(h == 8);
731
732
    s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride);
733
    s->fdsp.fdct(temp);
734
735
    for (i = 0; i < 64; i++)
736
        sum = FFMAX(sum, FFABS(temp[i]));
737
738
    return sum;
739
}
740
741
static int quant_psnr8x8_c(MpegEncContext *s, uint8_t *src1,
742
                           uint8_t *src2, ptrdiff_t stride, int h)
743
{
744
    LOCAL_ALIGNED_16(int16_t, temp, [64 * 2]);
745
    int16_t *const bak = temp + 64;
746
    int sum = 0, i;
747
748
    av_assert2(h == 8);
749
    s->mb_intra = 0;
750
751
    s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride);
752
753
    memcpy(bak, temp, 64 * sizeof(int16_t));
754
755
    s->block_last_index[0 /* FIXME */] =
756
        s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i);
757
    s->dct_unquantize_inter(s, temp, 0, s->qscale);
758
    ff_simple_idct_int16_8bit(temp); // FIXME
759
760
    for (i = 0; i < 64; i++)
761
        sum += (temp[i] - bak[i]) * (temp[i] - bak[i]);
762
763
    return sum;
764
}
765
766
static int rd8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,
767
                   ptrdiff_t stride, int h)
768
{
769
    const uint8_t *scantable = s->intra_scantable.permutated;
770
    LOCAL_ALIGNED_16(int16_t, temp, [64]);
771
    LOCAL_ALIGNED_16(uint8_t, lsrc1, [64]);
772
    LOCAL_ALIGNED_16(uint8_t, lsrc2, [64]);
773
    int i, last, run, bits, level, distortion, start_i;
774
    const int esc_length = s->ac_esc_length;
775
    uint8_t *length, *last_length;
776
777
    av_assert2(h == 8);
778
779
    copy_block8(lsrc1, src1, 8, stride, 8);
780
    copy_block8(lsrc2, src2, 8, stride, 8);
781
782
    s->pdsp.diff_pixels(temp, lsrc1, lsrc2, 8);
783
784
    s->block_last_index[0 /* FIXME */] =
785
    last                               =
786
        s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i);
787
788
    bits = 0;
789
790
    if (s->mb_intra) {
791
        start_i     = 1;
792
        length      = s->intra_ac_vlc_length;
793
        last_length = s->intra_ac_vlc_last_length;
794
        bits       += s->luma_dc_vlc_length[temp[0] + 256]; // FIXME: chroma
795
    } else {
796
        start_i     = 0;
797
        length      = s->inter_ac_vlc_length;
798
        last_length = s->inter_ac_vlc_last_length;
799
    }
800
801
    if (last >= start_i) {
802
        run = 0;
803
        for (i = start_i; i < last; i++) {
804
            int j = scantable[i];
805
            level = temp[j];
806
807
            if (level) {
808
                level += 64;
809
                if ((level & (~127)) == 0)
810
                    bits += length[UNI_AC_ENC_INDEX(run, level)];
811
                else
812
                    bits += esc_length;
813
                run = 0;
814
            } else
815
                run++;
816
        }
817
        i = scantable[last];
818
819
        level = temp[i] + 64;
820
821
        av_assert2(level - 64);
822
823
        if ((level & (~127)) == 0) {
824
            bits += last_length[UNI_AC_ENC_INDEX(run, level)];
825
        } else
826
            bits += esc_length;
827
    }
828
829
    if (last >= 0) {
830
        if (s->mb_intra)
831
            s->dct_unquantize_intra(s, temp, 0, s->qscale);
832
        else
833
            s->dct_unquantize_inter(s, temp, 0, s->qscale);
834
    }
835
836
    s->idsp.idct_add(lsrc2, 8, temp);
837
838
    distortion = s->mecc.sse[1](NULL, lsrc2, lsrc1, 8, 8);
839
840
    return distortion + ((bits * s->qscale * s->qscale * 109 + 64) >> 7);
841
}
842
843
static int bit8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2,
844
                    ptrdiff_t stride, int h)
845
{
846
    const uint8_t *scantable = s->intra_scantable.permutated;
847
    LOCAL_ALIGNED_16(int16_t, temp, [64]);
848
    int i, last, run, bits, level, start_i;
849
    const int esc_length = s->ac_esc_length;
850
    uint8_t *length, *last_length;
851
852
    av_assert2(h == 8);
853
854
    s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride);
855
856
    s->block_last_index[0 /* FIXME */] =
857
    last                               =
858
        s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i);
859
860
    bits = 0;
861
862
    if (s->mb_intra) {
863
        start_i     = 1;
864
        length      = s->intra_ac_vlc_length;
865
        last_length = s->intra_ac_vlc_last_length;
866
        bits       += s->luma_dc_vlc_length[temp[0] + 256]; // FIXME: chroma
867
    } else {
868
        start_i     = 0;
869
        length      = s->inter_ac_vlc_length;
870
        last_length = s->inter_ac_vlc_last_length;
871
    }
872
873
    if (last >= start_i) {
874
        run = 0;
875
        for (i = start_i; i < last; i++) {
876
            int j = scantable[i];
877
            level = temp[j];
878
879
            if (level) {
880
                level += 64;
881
                if ((level & (~127)) == 0)
882
                    bits += length[UNI_AC_ENC_INDEX(run, level)];
883
                else
884
                    bits += esc_length;
885
                run = 0;
886
            } else
887
                run++;
888
        }
889
        i = scantable[last];
890
891
        level = temp[i] + 64;
892
893
        av_assert2(level - 64);
894
895
        if ((level & (~127)) == 0)
896
            bits += last_length[UNI_AC_ENC_INDEX(run, level)];
897
        else
898
            bits += esc_length;
899
    }
900
901
    return bits;
902
}
903
904
#define VSAD_INTRA(size)                                                \
905
static int vsad_intra ## size ## _c(MpegEncContext *c,                  \
906
                                    uint8_t *s, uint8_t *dummy,         \
907
                                    ptrdiff_t stride, int h)            \
908
{                                                                       \
909
    int score = 0, x, y;                                                \
910
                                                                        \
911
    for (y = 1; y < h; y++) {                                           \
912
        for (x = 0; x < size; x += 4) {                                 \
913
            score += FFABS(s[x]     - s[x + stride])     +              \
914
                     FFABS(s[x + 1] - s[x + stride + 1]) +              \
915
                     FFABS(s[x + 2] - s[x + 2 + stride]) +              \
916
                     FFABS(s[x + 3] - s[x + 3 + stride]);               \
917
        }                                                               \
918
        s += stride;                                                    \
919
    }                                                                   \
920
                                                                        \
921
    return score;                                                       \
922
}
923
VSAD_INTRA(8)
924

44331984
VSAD_INTRA(16)
925
926
#define VSAD(size)                                                             \
927
static int vsad ## size ## _c(MpegEncContext *c,                               \
928
                              uint8_t *s1, uint8_t *s2,                        \
929
                              ptrdiff_t stride, int h)                               \
930
{                                                                              \
931
    int score = 0, x, y;                                                       \
932
                                                                               \
933
    for (y = 1; y < h; y++) {                                                  \
934
        for (x = 0; x < size; x++)                                             \
935
            score += FFABS(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]);   \
936
        s1 += stride;                                                          \
937
        s2 += stride;                                                          \
938
    }                                                                          \
939
                                                                               \
940
    return score;                                                              \
941
}
942
VSAD(8)
943

229802640
VSAD(16)
944
945
#define SQ(a) ((a) * (a))
946
#define VSSE_INTRA(size)                                                \
947
static int vsse_intra ## size ## _c(MpegEncContext *c,                  \
948
                                    uint8_t *s, uint8_t *dummy,         \
949
                                    ptrdiff_t stride, int h)            \
950
{                                                                       \
951
    int score = 0, x, y;                                                \
952
                                                                        \
953
    for (y = 1; y < h; y++) {                                           \
954
        for (x = 0; x < size; x += 4) {                                 \
955
            score += SQ(s[x]     - s[x + stride]) +                     \
956
                     SQ(s[x + 1] - s[x + stride + 1]) +                 \
957
                     SQ(s[x + 2] - s[x + stride + 2]) +                 \
958
                     SQ(s[x + 3] - s[x + stride + 3]);                  \
959
        }                                                               \
960
        s += stride;                                                    \
961
    }                                                                   \
962
                                                                        \
963
    return score;                                                       \
964
}
965
VSSE_INTRA(8)
966
VSSE_INTRA(16)
967
968
#define VSSE(size)                                                             \
969
static int vsse ## size ## _c(MpegEncContext *c, uint8_t *s1, uint8_t *s2,     \
970
                              ptrdiff_t stride, int h)                         \
971
{                                                                              \
972
    int score = 0, x, y;                                                       \
973
                                                                               \
974
    for (y = 1; y < h; y++) {                                                  \
975
        for (x = 0; x < size; x++)                                             \
976
            score += SQ(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]);      \
977
        s1 += stride;                                                          \
978
        s2 += stride;                                                          \
979
    }                                                                          \
980
                                                                               \
981
    return score;                                                              \
982
}
983
VSSE(8)
984
VSSE(16)
985
986
#define WRAPPER8_16_SQ(name8, name16)                                   \
987
static int name16(MpegEncContext *s, uint8_t *dst, uint8_t *src,        \
988
                  ptrdiff_t stride, int h)                              \
989
{                                                                       \
990
    int score = 0;                                                      \
991
                                                                        \
992
    score += name8(s, dst, src, stride, 8);                             \
993
    score += name8(s, dst + 8, src + 8, stride, 8);                     \
994
    if (h == 16) {                                                      \
995
        dst   += 8 * stride;                                            \
996
        src   += 8 * stride;                                            \
997
        score += name8(s, dst, src, stride, 8);                         \
998
        score += name8(s, dst + 8, src + 8, stride, 8);                 \
999
    }                                                                   \
1000
    return score;                                                       \
1001
}
1002
1003
3613091
WRAPPER8_16_SQ(hadamard8_diff8x8_c, hadamard8_diff16_c)
1004
WRAPPER8_16_SQ(hadamard8_intra8x8_c, hadamard8_intra16_c)
1005
WRAPPER8_16_SQ(dct_sad8x8_c, dct_sad16_c)
1006
#if CONFIG_GPL
1007
WRAPPER8_16_SQ(dct264_sad8x8_c, dct264_sad16_c)
1008
#endif
1009
WRAPPER8_16_SQ(dct_max8x8_c, dct_max16_c)
1010
WRAPPER8_16_SQ(quant_psnr8x8_c, quant_psnr16_c)
1011
WRAPPER8_16_SQ(rd8x8_c, rd16_c)
1012
WRAPPER8_16_SQ(bit8x8_c, bit16_c)
1013
1014
17120
int ff_check_alignment(void)
1015
{
1016
    static int did_fail = 0;
1017
17120
    LOCAL_ALIGNED_16(int, aligned, [4]);
1018
1019
17120
    if ((intptr_t)aligned & 15) {
1020
        if (!did_fail) {
1021
#if HAVE_MMX || HAVE_ALTIVEC
1022
            av_log(NULL, AV_LOG_ERROR,
1023
                "Compiler did not align stack variables. Libavcodec has been miscompiled\n"
1024
                "and may be very slow or crash. This is not a bug in libavcodec,\n"
1025
                "but in the compiler. You may try recompiling using gcc >= 4.2.\n"
1026
                "Do not report crashes to FFmpeg developers.\n");
1027
#endif
1028
            did_fail=1;
1029
        }
1030
        return -1;
1031
    }
1032
17120
    return 0;
1033
}
1034
1035
974
av_cold void ff_me_cmp_init(MECmpContext *c, AVCodecContext *avctx)
1036
{
1037
974
    ff_check_alignment();
1038
1039
974
    c->sum_abs_dctelem = sum_abs_dctelem_c;
1040
1041
    /* TODO [0] 16  [1] 8 */
1042
974
    c->pix_abs[0][0] = pix_abs16_c;
1043
974
    c->pix_abs[0][1] = pix_abs16_x2_c;
1044
974
    c->pix_abs[0][2] = pix_abs16_y2_c;
1045
974
    c->pix_abs[0][3] = pix_abs16_xy2_c;
1046
974
    c->pix_abs[1][0] = pix_abs8_c;
1047
974
    c->pix_abs[1][1] = pix_abs8_x2_c;
1048
974
    c->pix_abs[1][2] = pix_abs8_y2_c;
1049
974
    c->pix_abs[1][3] = pix_abs8_xy2_c;
1050
1051
#define SET_CMP_FUNC(name)                      \
1052
    c->name[0] = name ## 16_c;                  \
1053
    c->name[1] = name ## 8x8_c;
1054
1055
974
    SET_CMP_FUNC(hadamard8_diff)
1056
974
    c->hadamard8_diff[4] = hadamard8_intra16_c;
1057
974
    c->hadamard8_diff[5] = hadamard8_intra8x8_c;
1058
974
    SET_CMP_FUNC(dct_sad)
1059
974
    SET_CMP_FUNC(dct_max)
1060
#if CONFIG_GPL
1061
974
    SET_CMP_FUNC(dct264_sad)
1062
#endif
1063
974
    c->sad[0] = pix_abs16_c;
1064
974
    c->sad[1] = pix_abs8_c;
1065
974
    c->sse[0] = sse16_c;
1066
974
    c->sse[1] = sse8_c;
1067
974
    c->sse[2] = sse4_c;
1068
974
    SET_CMP_FUNC(quant_psnr)
1069
974
    SET_CMP_FUNC(rd)
1070
974
    SET_CMP_FUNC(bit)
1071
974
    c->vsad[0] = vsad16_c;
1072
974
    c->vsad[1] = vsad8_c;
1073
974
    c->vsad[4] = vsad_intra16_c;
1074
974
    c->vsad[5] = vsad_intra8_c;
1075
974
    c->vsse[0] = vsse16_c;
1076
974
    c->vsse[1] = vsse8_c;
1077
974
    c->vsse[4] = vsse_intra16_c;
1078
974
    c->vsse[5] = vsse_intra8_c;
1079
974
    c->nsse[0] = nsse16_c;
1080
974
    c->nsse[1] = nsse8_c;
1081
#if CONFIG_SNOW_DECODER || CONFIG_SNOW_ENCODER
1082
974
    ff_dsputil_init_dwt(c);
1083
#endif
1084
1085
    if (ARCH_ALPHA)
1086
        ff_me_cmp_init_alpha(c, avctx);
1087
    if (ARCH_ARM)
1088
        ff_me_cmp_init_arm(c, avctx);
1089
    if (ARCH_PPC)
1090
        ff_me_cmp_init_ppc(c, avctx);
1091
    if (ARCH_X86)
1092
974
        ff_me_cmp_init_x86(c, avctx);
1093
    if (ARCH_MIPS)
1094
        ff_me_cmp_init_mips(c, avctx);
1095
1096
974
    c->median_sad[0] = pix_median_abs16_c;
1097
974
    c->median_sad[1] = pix_median_abs8_c;
1098
974
}