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ffmpeg / libavcodec / i386 / mpegvideo_mmx.c @ 9c39071d

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1
/*
2
 * The simplest mpeg encoder (well, it was the simplest!)
3
 * Copyright (c) 2000,2001 Fabrice Bellard.
4
 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 *
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 * Optimized for ia32 cpus by Nick Kurshev <nickols_k@mail.ru>
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 * h263, mpeg1, mpeg2 dequantizer & draw_edges by Michael Niedermayer <michaelni@gmx.at>
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 */
22

    
23
#include "../dsputil.h"
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#include "../mpegvideo.h"
25
#include "../avcodec.h"
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#include "x86_cpu.h"
27

    
28
extern uint8_t zigzag_direct_noperm[64];
29
extern uint16_t inv_zigzag_direct16[64];
30

    
31
static const unsigned long long int mm_wabs __attribute__ ((aligned(8))) = 0xffffffffffffffffULL;
32
static const unsigned long long int mm_wone __attribute__ ((aligned(8))) = 0x0001000100010001ULL;
33

    
34

    
35
static void dct_unquantize_h263_intra_mmx(MpegEncContext *s,
36
                                  DCTELEM *block, int n, int qscale)
37
{
38
    long level, qmul, qadd, nCoeffs;
39

    
40
    qmul = qscale << 1;
41

    
42
    assert(s->block_last_index[n]>=0 || s->h263_aic);
43

    
44
    if (!s->h263_aic) {
45
        if (n < 4)
46
            level = block[0] * s->y_dc_scale;
47
        else
48
            level = block[0] * s->c_dc_scale;
49
        qadd = (qscale - 1) | 1;
50
    }else{
51
        qadd = 0;
52
        level= block[0];
53
    }
54
    if(s->ac_pred)
55
        nCoeffs=63;
56
    else
57
        nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
58
//printf("%d %d  ", qmul, qadd);
59
asm volatile(
60
                "movd %1, %%mm6                 \n\t" //qmul
61
                "packssdw %%mm6, %%mm6          \n\t"
62
                "packssdw %%mm6, %%mm6          \n\t"
63
                "movd %2, %%mm5                 \n\t" //qadd
64
                "pxor %%mm7, %%mm7              \n\t"
65
                "packssdw %%mm5, %%mm5          \n\t"
66
                "packssdw %%mm5, %%mm5          \n\t"
67
                "psubw %%mm5, %%mm7             \n\t"
68
                "pxor %%mm4, %%mm4              \n\t"
69
                ".balign 16                     \n\t"
70
                "1:                             \n\t"
71
                "movq (%0, %3), %%mm0           \n\t"
72
                "movq 8(%0, %3), %%mm1          \n\t"
73

    
74
                "pmullw %%mm6, %%mm0            \n\t"
75
                "pmullw %%mm6, %%mm1            \n\t"
76

    
77
                "movq (%0, %3), %%mm2           \n\t"
78
                "movq 8(%0, %3), %%mm3          \n\t"
79

    
80
                "pcmpgtw %%mm4, %%mm2           \n\t" // block[i] < 0 ? -1 : 0
81
                "pcmpgtw %%mm4, %%mm3           \n\t" // block[i] < 0 ? -1 : 0
82

    
83
                "pxor %%mm2, %%mm0              \n\t"
84
                "pxor %%mm3, %%mm1              \n\t"
85

    
86
                "paddw %%mm7, %%mm0             \n\t"
87
                "paddw %%mm7, %%mm1             \n\t"
88

    
89
                "pxor %%mm0, %%mm2              \n\t"
90
                "pxor %%mm1, %%mm3              \n\t"
91

    
92
                "pcmpeqw %%mm7, %%mm0           \n\t" // block[i] == 0 ? -1 : 0
93
                "pcmpeqw %%mm7, %%mm1           \n\t" // block[i] == 0 ? -1 : 0
94

    
95
                "pandn %%mm2, %%mm0             \n\t"
96
                "pandn %%mm3, %%mm1             \n\t"
97

    
98
                "movq %%mm0, (%0, %3)           \n\t"
99
                "movq %%mm1, 8(%0, %3)          \n\t"
100

    
101
                "add $16, %3                    \n\t"
102
                "jng 1b                         \n\t"
103
                ::"r" (block+nCoeffs), "g"(qmul), "g" (qadd), "r" (2*(-nCoeffs))
104
                : "memory"
105
        );
106
        block[0]= level;
107
}
108

    
109

    
110
static void dct_unquantize_h263_inter_mmx(MpegEncContext *s,
111
                                  DCTELEM *block, int n, int qscale)
112
{
113
    long qmul, qadd, nCoeffs;
114

    
115
    qmul = qscale << 1;
116
    qadd = (qscale - 1) | 1;
117

    
118
    assert(s->block_last_index[n]>=0 || s->h263_aic);
119

    
120
    nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
121
//printf("%d %d  ", qmul, qadd);
122
asm volatile(
123
                "movd %1, %%mm6                 \n\t" //qmul
124
                "packssdw %%mm6, %%mm6          \n\t"
125
                "packssdw %%mm6, %%mm6          \n\t"
126
                "movd %2, %%mm5                 \n\t" //qadd
127
                "pxor %%mm7, %%mm7              \n\t"
128
                "packssdw %%mm5, %%mm5          \n\t"
129
                "packssdw %%mm5, %%mm5          \n\t"
130
                "psubw %%mm5, %%mm7             \n\t"
131
                "pxor %%mm4, %%mm4              \n\t"
132
                ".balign 16                     \n\t"
133
                "1:                             \n\t"
134
                "movq (%0, %3), %%mm0           \n\t"
135
                "movq 8(%0, %3), %%mm1          \n\t"
136

    
137
                "pmullw %%mm6, %%mm0            \n\t"
138
                "pmullw %%mm6, %%mm1            \n\t"
139

    
140
                "movq (%0, %3), %%mm2           \n\t"
141
                "movq 8(%0, %3), %%mm3          \n\t"
142

    
143
                "pcmpgtw %%mm4, %%mm2           \n\t" // block[i] < 0 ? -1 : 0
144
                "pcmpgtw %%mm4, %%mm3           \n\t" // block[i] < 0 ? -1 : 0
145

    
146
                "pxor %%mm2, %%mm0              \n\t"
147
                "pxor %%mm3, %%mm1              \n\t"
148

    
149
                "paddw %%mm7, %%mm0             \n\t"
150
                "paddw %%mm7, %%mm1             \n\t"
151

    
152
                "pxor %%mm0, %%mm2              \n\t"
153
                "pxor %%mm1, %%mm3              \n\t"
154

    
155
                "pcmpeqw %%mm7, %%mm0           \n\t" // block[i] == 0 ? -1 : 0
156
                "pcmpeqw %%mm7, %%mm1           \n\t" // block[i] == 0 ? -1 : 0
157

    
158
                "pandn %%mm2, %%mm0             \n\t"
159
                "pandn %%mm3, %%mm1             \n\t"
160

    
161
                "movq %%mm0, (%0, %3)           \n\t"
162
                "movq %%mm1, 8(%0, %3)          \n\t"
163

    
164
                "add $16, %3                    \n\t"
165
                "jng 1b                         \n\t"
166
                ::"r" (block+nCoeffs), "g"(qmul), "g" (qadd), "r" (2*(-nCoeffs))
167
                : "memory"
168
        );
169
}
170

    
171

    
172
/*
173
  NK:
174
  Note: looking at PARANOID:
175
  "enable all paranoid tests for rounding, overflows, etc..."
176

177
#ifdef PARANOID
178
                if (level < -2048 || level > 2047)
179
                    fprintf(stderr, "unquant error %d %d\n", i, level);
180
#endif
181
  We can suppose that result of two multiplications can't be greate of 0xFFFF
182
  i.e. is 16-bit, so we use here only PMULLW instruction and can avoid
183
  a complex multiplication.
184
=====================================================
185
 Full formula for multiplication of 2 integer numbers
186
 which are represent as high:low words:
187
 input: value1 = high1:low1
188
        value2 = high2:low2
189
 output: value3 = value1*value2
190
 value3=high3:low3 (on overflow: modulus 2^32 wrap-around)
191
 this mean that for 0x123456 * 0x123456 correct result is 0x766cb0ce4
192
 but this algorithm will compute only 0x66cb0ce4
193
 this limited by 16-bit size of operands
194
 ---------------------------------
195
 tlow1 = high1*low2
196
 tlow2 = high2*low1
197
 tlow1 = tlow1 + tlow2
198
 high3:low3 = low1*low2
199
 high3 += tlow1
200
*/
201
static void dct_unquantize_mpeg1_intra_mmx(MpegEncContext *s,
202
                                     DCTELEM *block, int n, int qscale)
203
{
204
    long nCoeffs;
205
    const uint16_t *quant_matrix;
206
    int block0;
207

    
208
    assert(s->block_last_index[n]>=0);
209

    
210
    nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]+1;
211

    
212
    if (n < 4)
213
        block0 = block[0] * s->y_dc_scale;
214
    else
215
        block0 = block[0] * s->c_dc_scale;
216
    /* XXX: only mpeg1 */
217
    quant_matrix = s->intra_matrix;
218
asm volatile(
219
                "pcmpeqw %%mm7, %%mm7           \n\t"
220
                "psrlw $15, %%mm7               \n\t"
221
                "movd %2, %%mm6                 \n\t"
222
                "packssdw %%mm6, %%mm6          \n\t"
223
                "packssdw %%mm6, %%mm6          \n\t"
224
                "mov %3, %%"REG_a"              \n\t"
225
                ".balign 16                     \n\t"
226
                "1:                             \n\t"
227
                "movq (%0, %%"REG_a"), %%mm0    \n\t"
228
                "movq 8(%0, %%"REG_a"), %%mm1   \n\t"
229
                "movq (%1, %%"REG_a"), %%mm4    \n\t"
230
                "movq 8(%1, %%"REG_a"), %%mm5   \n\t"
231
                "pmullw %%mm6, %%mm4            \n\t" // q=qscale*quant_matrix[i]
232
                "pmullw %%mm6, %%mm5            \n\t" // q=qscale*quant_matrix[i]
233
                "pxor %%mm2, %%mm2              \n\t"
234
                "pxor %%mm3, %%mm3              \n\t"
235
                "pcmpgtw %%mm0, %%mm2           \n\t" // block[i] < 0 ? -1 : 0
236
                "pcmpgtw %%mm1, %%mm3           \n\t" // block[i] < 0 ? -1 : 0
237
                "pxor %%mm2, %%mm0              \n\t"
238
                "pxor %%mm3, %%mm1              \n\t"
239
                "psubw %%mm2, %%mm0             \n\t" // abs(block[i])
240
                "psubw %%mm3, %%mm1             \n\t" // abs(block[i])
241
                "pmullw %%mm4, %%mm0            \n\t" // abs(block[i])*q
242
                "pmullw %%mm5, %%mm1            \n\t" // abs(block[i])*q
243
                "pxor %%mm4, %%mm4              \n\t"
244
                "pxor %%mm5, %%mm5              \n\t" // FIXME slow
245
                "pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0
246
                "pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0
247
                "psraw $3, %%mm0                \n\t"
248
                "psraw $3, %%mm1                \n\t"
249
                "psubw %%mm7, %%mm0             \n\t"
250
                "psubw %%mm7, %%mm1             \n\t"
251
                "por %%mm7, %%mm0               \n\t"
252
                "por %%mm7, %%mm1               \n\t"
253
                "pxor %%mm2, %%mm0              \n\t"
254
                "pxor %%mm3, %%mm1              \n\t"
255
                "psubw %%mm2, %%mm0             \n\t"
256
                "psubw %%mm3, %%mm1             \n\t"
257
                "pandn %%mm0, %%mm4             \n\t"
258
                "pandn %%mm1, %%mm5             \n\t"
259
                "movq %%mm4, (%0, %%"REG_a")    \n\t"
260
                "movq %%mm5, 8(%0, %%"REG_a")   \n\t"
261

    
262
                "add $16, %%"REG_a"             \n\t"
263
                "js 1b                          \n\t"
264
                ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "g" (qscale), "g" (-2*nCoeffs)
265
                : "%"REG_a, "memory"
266
        );
267
    block[0]= block0;
268
}
269

    
270
static void dct_unquantize_mpeg1_inter_mmx(MpegEncContext *s,
271
                                     DCTELEM *block, int n, int qscale)
272
{
273
    long nCoeffs;
274
    const uint16_t *quant_matrix;
275

    
276
    assert(s->block_last_index[n]>=0);
277

    
278
    nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]+1;
279

    
280
        quant_matrix = s->inter_matrix;
281
asm volatile(
282
                "pcmpeqw %%mm7, %%mm7           \n\t"
283
                "psrlw $15, %%mm7               \n\t"
284
                "movd %2, %%mm6                 \n\t"
285
                "packssdw %%mm6, %%mm6          \n\t"
286
                "packssdw %%mm6, %%mm6          \n\t"
287
                "mov %3, %%"REG_a"              \n\t"
288
                ".balign 16                     \n\t"
289
                "1:                             \n\t"
290
                "movq (%0, %%"REG_a"), %%mm0    \n\t"
291
                "movq 8(%0, %%"REG_a"), %%mm1   \n\t"
292
                "movq (%1, %%"REG_a"), %%mm4    \n\t"
293
                "movq 8(%1, %%"REG_a"), %%mm5   \n\t"
294
                "pmullw %%mm6, %%mm4            \n\t" // q=qscale*quant_matrix[i]
295
                "pmullw %%mm6, %%mm5            \n\t" // q=qscale*quant_matrix[i]
296
                "pxor %%mm2, %%mm2              \n\t"
297
                "pxor %%mm3, %%mm3              \n\t"
298
                "pcmpgtw %%mm0, %%mm2           \n\t" // block[i] < 0 ? -1 : 0
299
                "pcmpgtw %%mm1, %%mm3           \n\t" // block[i] < 0 ? -1 : 0
300
                "pxor %%mm2, %%mm0              \n\t"
301
                "pxor %%mm3, %%mm1              \n\t"
302
                "psubw %%mm2, %%mm0             \n\t" // abs(block[i])
303
                "psubw %%mm3, %%mm1             \n\t" // abs(block[i])
304
                "paddw %%mm0, %%mm0             \n\t" // abs(block[i])*2
305
                "paddw %%mm1, %%mm1             \n\t" // abs(block[i])*2
306
                "paddw %%mm7, %%mm0             \n\t" // abs(block[i])*2 + 1
307
                "paddw %%mm7, %%mm1             \n\t" // abs(block[i])*2 + 1
308
                "pmullw %%mm4, %%mm0            \n\t" // (abs(block[i])*2 + 1)*q
309
                "pmullw %%mm5, %%mm1            \n\t" // (abs(block[i])*2 + 1)*q
310
                "pxor %%mm4, %%mm4              \n\t"
311
                "pxor %%mm5, %%mm5              \n\t" // FIXME slow
312
                "pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0
313
                "pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0
314
                "psraw $4, %%mm0                \n\t"
315
                "psraw $4, %%mm1                \n\t"
316
                "psubw %%mm7, %%mm0             \n\t"
317
                "psubw %%mm7, %%mm1             \n\t"
318
                "por %%mm7, %%mm0               \n\t"
319
                "por %%mm7, %%mm1               \n\t"
320
                "pxor %%mm2, %%mm0              \n\t"
321
                "pxor %%mm3, %%mm1              \n\t"
322
                "psubw %%mm2, %%mm0             \n\t"
323
                "psubw %%mm3, %%mm1             \n\t"
324
                "pandn %%mm0, %%mm4             \n\t"
325
                "pandn %%mm1, %%mm5             \n\t"
326
                "movq %%mm4, (%0, %%"REG_a")    \n\t"
327
                "movq %%mm5, 8(%0, %%"REG_a")   \n\t"
328

    
329
                "add $16, %%"REG_a"             \n\t"
330
                "js 1b                          \n\t"
331
                ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "g" (qscale), "g" (-2*nCoeffs)
332
                : "%"REG_a, "memory"
333
        );
334
}
335

    
336
static void dct_unquantize_mpeg2_intra_mmx(MpegEncContext *s,
337
                                     DCTELEM *block, int n, int qscale)
338
{
339
    long nCoeffs;
340
    const uint16_t *quant_matrix;
341
    int block0;
342

    
343
    assert(s->block_last_index[n]>=0);
344

    
345
    if(s->alternate_scan) nCoeffs= 63; //FIXME
346
    else nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ];
347

    
348
    if (n < 4)
349
        block0 = block[0] * s->y_dc_scale;
350
    else
351
        block0 = block[0] * s->c_dc_scale;
352
    quant_matrix = s->intra_matrix;
353
asm volatile(
354
                "pcmpeqw %%mm7, %%mm7           \n\t"
355
                "psrlw $15, %%mm7               \n\t"
356
                "movd %2, %%mm6                 \n\t"
357
                "packssdw %%mm6, %%mm6          \n\t"
358
                "packssdw %%mm6, %%mm6          \n\t"
359
                "mov %3, %%"REG_a"              \n\t"
360
                ".balign 16                     \n\t"
361
                "1:                             \n\t"
362
                "movq (%0, %%"REG_a"), %%mm0    \n\t"
363
                "movq 8(%0, %%"REG_a"), %%mm1   \n\t"
364
                "movq (%1, %%"REG_a"), %%mm4    \n\t"
365
                "movq 8(%1, %%"REG_a"), %%mm5   \n\t"
366
                "pmullw %%mm6, %%mm4            \n\t" // q=qscale*quant_matrix[i]
367
                "pmullw %%mm6, %%mm5            \n\t" // q=qscale*quant_matrix[i]
368
                "pxor %%mm2, %%mm2              \n\t"
369
                "pxor %%mm3, %%mm3              \n\t"
370
                "pcmpgtw %%mm0, %%mm2           \n\t" // block[i] < 0 ? -1 : 0
371
                "pcmpgtw %%mm1, %%mm3           \n\t" // block[i] < 0 ? -1 : 0
372
                "pxor %%mm2, %%mm0              \n\t"
373
                "pxor %%mm3, %%mm1              \n\t"
374
                "psubw %%mm2, %%mm0             \n\t" // abs(block[i])
375
                "psubw %%mm3, %%mm1             \n\t" // abs(block[i])
376
                "pmullw %%mm4, %%mm0            \n\t" // abs(block[i])*q
377
                "pmullw %%mm5, %%mm1            \n\t" // abs(block[i])*q
378
                "pxor %%mm4, %%mm4              \n\t"
379
                "pxor %%mm5, %%mm5              \n\t" // FIXME slow
380
                "pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0
381
                "pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0
382
                "psraw $3, %%mm0                \n\t"
383
                "psraw $3, %%mm1                \n\t"
384
                "pxor %%mm2, %%mm0              \n\t"
385
                "pxor %%mm3, %%mm1              \n\t"
386
                "psubw %%mm2, %%mm0             \n\t"
387
                "psubw %%mm3, %%mm1             \n\t"
388
                "pandn %%mm0, %%mm4             \n\t"
389
                "pandn %%mm1, %%mm5             \n\t"
390
                "movq %%mm4, (%0, %%"REG_a")    \n\t"
391
                "movq %%mm5, 8(%0, %%"REG_a")   \n\t"
392

    
393
                "add $16, %%"REG_a"             \n\t"
394
                "jng 1b                         \n\t"
395
                ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "g" (qscale), "g" (-2*nCoeffs)
396
                : "%"REG_a, "memory"
397
        );
398
    block[0]= block0;
399
        //Note, we dont do mismatch control for intra as errors cannot accumulate
400
}
401

    
402
static void dct_unquantize_mpeg2_inter_mmx(MpegEncContext *s,
403
                                     DCTELEM *block, int n, int qscale)
404
{
405
    long nCoeffs;
406
    const uint16_t *quant_matrix;
407

    
408
    assert(s->block_last_index[n]>=0);
409

    
410
    if(s->alternate_scan) nCoeffs= 63; //FIXME
411
    else nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ];
412

    
413
        quant_matrix = s->inter_matrix;
414
asm volatile(
415
                "pcmpeqw %%mm7, %%mm7           \n\t"
416
                "psrlq $48, %%mm7               \n\t"
417
                "movd %2, %%mm6                 \n\t"
418
                "packssdw %%mm6, %%mm6          \n\t"
419
                "packssdw %%mm6, %%mm6          \n\t"
420
                "mov %3, %%"REG_a"              \n\t"
421
                ".balign 16                     \n\t"
422
                "1:                             \n\t"
423
                "movq (%0, %%"REG_a"), %%mm0    \n\t"
424
                "movq 8(%0, %%"REG_a"), %%mm1   \n\t"
425
                "movq (%1, %%"REG_a"), %%mm4    \n\t"
426
                "movq 8(%1, %%"REG_a"), %%mm5   \n\t"
427
                "pmullw %%mm6, %%mm4            \n\t" // q=qscale*quant_matrix[i]
428
                "pmullw %%mm6, %%mm5            \n\t" // q=qscale*quant_matrix[i]
429
                "pxor %%mm2, %%mm2              \n\t"
430
                "pxor %%mm3, %%mm3              \n\t"
431
                "pcmpgtw %%mm0, %%mm2           \n\t" // block[i] < 0 ? -1 : 0
432
                "pcmpgtw %%mm1, %%mm3           \n\t" // block[i] < 0 ? -1 : 0
433
                "pxor %%mm2, %%mm0              \n\t"
434
                "pxor %%mm3, %%mm1              \n\t"
435
                "psubw %%mm2, %%mm0             \n\t" // abs(block[i])
436
                "psubw %%mm3, %%mm1             \n\t" // abs(block[i])
437
                "paddw %%mm0, %%mm0             \n\t" // abs(block[i])*2
438
                "paddw %%mm1, %%mm1             \n\t" // abs(block[i])*2
439
                "pmullw %%mm4, %%mm0            \n\t" // abs(block[i])*2*q
440
                "pmullw %%mm5, %%mm1            \n\t" // abs(block[i])*2*q
441
                "paddw %%mm4, %%mm0             \n\t" // (abs(block[i])*2 + 1)*q
442
                "paddw %%mm5, %%mm1             \n\t" // (abs(block[i])*2 + 1)*q
443
                "pxor %%mm4, %%mm4              \n\t"
444
                "pxor %%mm5, %%mm5              \n\t" // FIXME slow
445
                "pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0
446
                "pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0
447
                "psrlw $4, %%mm0                \n\t"
448
                "psrlw $4, %%mm1                \n\t"
449
                "pxor %%mm2, %%mm0              \n\t"
450
                "pxor %%mm3, %%mm1              \n\t"
451
                "psubw %%mm2, %%mm0             \n\t"
452
                "psubw %%mm3, %%mm1             \n\t"
453
                "pandn %%mm0, %%mm4             \n\t"
454
                "pandn %%mm1, %%mm5             \n\t"
455
                "pxor %%mm4, %%mm7              \n\t"
456
                "pxor %%mm5, %%mm7              \n\t"
457
                "movq %%mm4, (%0, %%"REG_a")    \n\t"
458
                "movq %%mm5, 8(%0, %%"REG_a")   \n\t"
459

    
460
                "add $16, %%"REG_a"             \n\t"
461
                "jng 1b                         \n\t"
462
                "movd 124(%0, %3), %%mm0        \n\t"
463
                "movq %%mm7, %%mm6              \n\t"
464
                "psrlq $32, %%mm7               \n\t"
465
                "pxor %%mm6, %%mm7              \n\t"
466
                "movq %%mm7, %%mm6              \n\t"
467
                "psrlq $16, %%mm7               \n\t"
468
                "pxor %%mm6, %%mm7              \n\t"
469
                "pslld $31, %%mm7               \n\t"
470
                "psrlq $15, %%mm7               \n\t"
471
                "pxor %%mm7, %%mm0              \n\t"
472
                "movd %%mm0, 124(%0, %3)        \n\t"
473

    
474
                ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "g" (qscale), "r" (-2*nCoeffs)
475
                : "%"REG_a, "memory"
476
        );
477
}
478

    
479
/* draw the edges of width 'w' of an image of size width, height
480
   this mmx version can only handle w==8 || w==16 */
481
static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w)
482
{
483
    uint8_t *ptr, *last_line;
484
    int i;
485

    
486
    last_line = buf + (height - 1) * wrap;
487
    /* left and right */
488
    ptr = buf;
489
    if(w==8)
490
    {
491
        asm volatile(
492
                "1:                             \n\t"
493
                "movd (%0), %%mm0               \n\t"
494
                "punpcklbw %%mm0, %%mm0         \n\t"
495
                "punpcklwd %%mm0, %%mm0         \n\t"
496
                "punpckldq %%mm0, %%mm0         \n\t"
497
                "movq %%mm0, -8(%0)             \n\t"
498
                "movq -8(%0, %2), %%mm1         \n\t"
499
                "punpckhbw %%mm1, %%mm1         \n\t"
500
                "punpckhwd %%mm1, %%mm1         \n\t"
501
                "punpckhdq %%mm1, %%mm1         \n\t"
502
                "movq %%mm1, (%0, %2)           \n\t"
503
                "add %1, %0                     \n\t"
504
                "cmp %3, %0                     \n\t"
505
                " jb 1b                         \n\t"
506
                : "+r" (ptr)
507
                : "r" ((long)wrap), "r" ((long)width), "r" (ptr + wrap*height)
508
        );
509
    }
510
    else
511
    {
512
        asm volatile(
513
                "1:                             \n\t"
514
                "movd (%0), %%mm0               \n\t"
515
                "punpcklbw %%mm0, %%mm0         \n\t"
516
                "punpcklwd %%mm0, %%mm0         \n\t"
517
                "punpckldq %%mm0, %%mm0         \n\t"
518
                "movq %%mm0, -8(%0)             \n\t"
519
                "movq %%mm0, -16(%0)            \n\t"
520
                "movq -8(%0, %2), %%mm1         \n\t"
521
                "punpckhbw %%mm1, %%mm1         \n\t"
522
                "punpckhwd %%mm1, %%mm1         \n\t"
523
                "punpckhdq %%mm1, %%mm1         \n\t"
524
                "movq %%mm1, (%0, %2)           \n\t"
525
                "movq %%mm1, 8(%0, %2)          \n\t"
526
                "add %1, %0                     \n\t"
527
                "cmp %3, %0                     \n\t"
528
                " jb 1b                         \n\t"
529
                : "+r" (ptr)
530
                : "r" ((long)wrap), "r" ((long)width), "r" (ptr + wrap*height)
531
        );
532
    }
533

    
534
    for(i=0;i<w;i+=4) {
535
        /* top and bottom (and hopefully also the corners) */
536
        ptr= buf - (i + 1) * wrap - w;
537
        asm volatile(
538
                "1:                             \n\t"
539
                "movq (%1, %0), %%mm0           \n\t"
540
                "movq %%mm0, (%0)               \n\t"
541
                "movq %%mm0, (%0, %2)           \n\t"
542
                "movq %%mm0, (%0, %2, 2)        \n\t"
543
                "movq %%mm0, (%0, %3)           \n\t"
544
                "add $8, %0                     \n\t"
545
                "cmp %4, %0                     \n\t"
546
                " jb 1b                         \n\t"
547
                : "+r" (ptr)
548
                : "r" ((long)buf - (long)ptr - w), "r" ((long)-wrap), "r" ((long)-wrap*3), "r" (ptr+width+2*w)
549
        );
550
        ptr= last_line + (i + 1) * wrap - w;
551
        asm volatile(
552
                "1:                             \n\t"
553
                "movq (%1, %0), %%mm0           \n\t"
554
                "movq %%mm0, (%0)               \n\t"
555
                "movq %%mm0, (%0, %2)           \n\t"
556
                "movq %%mm0, (%0, %2, 2)        \n\t"
557
                "movq %%mm0, (%0, %3)           \n\t"
558
                "add $8, %0                     \n\t"
559
                "cmp %4, %0                     \n\t"
560
                " jb 1b                         \n\t"
561
                : "+r" (ptr)
562
                : "r" ((long)last_line - (long)ptr - w), "r" ((long)wrap), "r" ((long)wrap*3), "r" (ptr+width+2*w)
563
        );
564
    }
565
}
566

    
567
static void  denoise_dct_mmx(MpegEncContext *s, DCTELEM *block){
568
    const int intra= s->mb_intra;
569
    int *sum= s->dct_error_sum[intra];
570
    uint16_t *offset= s->dct_offset[intra];
571

    
572
    s->dct_count[intra]++;
573

    
574
    asm volatile(
575
        "pxor %%mm7, %%mm7                      \n\t"
576
        "1:                                     \n\t"
577
        "pxor %%mm0, %%mm0                      \n\t"
578
        "pxor %%mm1, %%mm1                      \n\t"
579
        "movq (%0), %%mm2                       \n\t"
580
        "movq 8(%0), %%mm3                      \n\t"
581
        "pcmpgtw %%mm2, %%mm0                   \n\t"
582
        "pcmpgtw %%mm3, %%mm1                   \n\t"
583
        "pxor %%mm0, %%mm2                      \n\t"
584
        "pxor %%mm1, %%mm3                      \n\t"
585
        "psubw %%mm0, %%mm2                     \n\t"
586
        "psubw %%mm1, %%mm3                     \n\t"
587
        "movq %%mm2, %%mm4                      \n\t"
588
        "movq %%mm3, %%mm5                      \n\t"
589
        "psubusw (%2), %%mm2                    \n\t"
590
        "psubusw 8(%2), %%mm3                   \n\t"
591
        "pxor %%mm0, %%mm2                      \n\t"
592
        "pxor %%mm1, %%mm3                      \n\t"
593
        "psubw %%mm0, %%mm2                     \n\t"
594
        "psubw %%mm1, %%mm3                     \n\t"
595
        "movq %%mm2, (%0)                       \n\t"
596
        "movq %%mm3, 8(%0)                      \n\t"
597
        "movq %%mm4, %%mm2                      \n\t"
598
        "movq %%mm5, %%mm3                      \n\t"
599
        "punpcklwd %%mm7, %%mm4                 \n\t"
600
        "punpckhwd %%mm7, %%mm2                 \n\t"
601
        "punpcklwd %%mm7, %%mm5                 \n\t"
602
        "punpckhwd %%mm7, %%mm3                 \n\t"
603
        "paddd (%1), %%mm4                      \n\t"
604
        "paddd 8(%1), %%mm2                     \n\t"
605
        "paddd 16(%1), %%mm5                    \n\t"
606
        "paddd 24(%1), %%mm3                    \n\t"
607
        "movq %%mm4, (%1)                       \n\t"
608
        "movq %%mm2, 8(%1)                      \n\t"
609
        "movq %%mm5, 16(%1)                     \n\t"
610
        "movq %%mm3, 24(%1)                     \n\t"
611
        "add $16, %0                            \n\t"
612
        "add $32, %1                            \n\t"
613
        "add $16, %2                            \n\t"
614
        "cmp %3, %0                             \n\t"
615
            " jb 1b                             \n\t"
616
        : "+r" (block), "+r" (sum), "+r" (offset)
617
        : "r"(block+64)
618
    );
619
}
620

    
621
static void  denoise_dct_sse2(MpegEncContext *s, DCTELEM *block){
622
    const int intra= s->mb_intra;
623
    int *sum= s->dct_error_sum[intra];
624
    uint16_t *offset= s->dct_offset[intra];
625

    
626
    s->dct_count[intra]++;
627

    
628
    asm volatile(
629
        "pxor %%xmm7, %%xmm7                    \n\t"
630
        "1:                                     \n\t"
631
        "pxor %%xmm0, %%xmm0                    \n\t"
632
        "pxor %%xmm1, %%xmm1                    \n\t"
633
        "movdqa (%0), %%xmm2                    \n\t"
634
        "movdqa 16(%0), %%xmm3                  \n\t"
635
        "pcmpgtw %%xmm2, %%xmm0                 \n\t"
636
        "pcmpgtw %%xmm3, %%xmm1                 \n\t"
637
        "pxor %%xmm0, %%xmm2                    \n\t"
638
        "pxor %%xmm1, %%xmm3                    \n\t"
639
        "psubw %%xmm0, %%xmm2                   \n\t"
640
        "psubw %%xmm1, %%xmm3                   \n\t"
641
        "movdqa %%xmm2, %%xmm4                  \n\t"
642
        "movdqa %%xmm3, %%xmm5                  \n\t"
643
        "psubusw (%2), %%xmm2                   \n\t"
644
        "psubusw 16(%2), %%xmm3                 \n\t"
645
        "pxor %%xmm0, %%xmm2                    \n\t"
646
        "pxor %%xmm1, %%xmm3                    \n\t"
647
        "psubw %%xmm0, %%xmm2                   \n\t"
648
        "psubw %%xmm1, %%xmm3                   \n\t"
649
        "movdqa %%xmm2, (%0)                    \n\t"
650
        "movdqa %%xmm3, 16(%0)                  \n\t"
651
        "movdqa %%xmm4, %%xmm6                  \n\t"
652
        "movdqa %%xmm5, %%xmm0                  \n\t"
653
        "punpcklwd %%xmm7, %%xmm4               \n\t"
654
        "punpckhwd %%xmm7, %%xmm6               \n\t"
655
        "punpcklwd %%xmm7, %%xmm5               \n\t"
656
        "punpckhwd %%xmm7, %%xmm0               \n\t"
657
        "paddd (%1), %%xmm4                     \n\t"
658
        "paddd 16(%1), %%xmm6                   \n\t"
659
        "paddd 32(%1), %%xmm5                   \n\t"
660
        "paddd 48(%1), %%xmm0                   \n\t"
661
        "movdqa %%xmm4, (%1)                    \n\t"
662
        "movdqa %%xmm6, 16(%1)                  \n\t"
663
        "movdqa %%xmm5, 32(%1)                  \n\t"
664
        "movdqa %%xmm0, 48(%1)                  \n\t"
665
        "add $32, %0                            \n\t"
666
        "add $64, %1                            \n\t"
667
        "add $32, %2                            \n\t"
668
        "cmp %3, %0                             \n\t"
669
            " jb 1b                             \n\t"
670
        : "+r" (block), "+r" (sum), "+r" (offset)
671
        : "r"(block+64)
672
    );
673
}
674

    
675
#undef HAVE_MMX2
676
#define RENAME(a) a ## _MMX
677
#define RENAMEl(a) a ## _mmx
678
#include "mpegvideo_mmx_template.c"
679

    
680
#define HAVE_MMX2
681
#undef RENAME
682
#undef RENAMEl
683
#define RENAME(a) a ## _MMX2
684
#define RENAMEl(a) a ## _mmx2
685
#include "mpegvideo_mmx_template.c"
686

    
687
#undef RENAME
688
#undef RENAMEl
689
#define RENAME(a) a ## _SSE2
690
#define RENAMEl(a) a ## _sse2
691
#include "mpegvideo_mmx_template.c"
692

    
693
void MPV_common_init_mmx(MpegEncContext *s)
694
{
695
    if (mm_flags & MM_MMX) {
696
        const int dct_algo = s->avctx->dct_algo;
697

    
698
        s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_mmx;
699
        s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_mmx;
700
        s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_mmx;
701
        s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_mmx;
702
        if(!(s->flags & CODEC_FLAG_BITEXACT))
703
            s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_mmx;
704
        s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_mmx;
705

    
706
        draw_edges = draw_edges_mmx;
707

    
708
        if (mm_flags & MM_SSE2) {
709
            s->denoise_dct= denoise_dct_sse2;
710
        } else {
711
                s->denoise_dct= denoise_dct_mmx;
712
        }
713

    
714
        if(dct_algo==FF_DCT_AUTO || dct_algo==FF_DCT_MMX){
715
            if(mm_flags & MM_SSE2){
716
                s->dct_quantize= dct_quantize_SSE2;
717
            } else if(mm_flags & MM_MMXEXT){
718
                s->dct_quantize= dct_quantize_MMX2;
719
            } else {
720
                s->dct_quantize= dct_quantize_MMX;
721
            }
722
        }
723
    }
724
}