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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
|
;*****************************************************************************
;* MMX/SSE2/AVX-optimized 10-bit H.264 iDCT code
;*****************************************************************************
;* Copyright (C) 2005-2011 x264 project
;*
;* Authors: Daniel Kang <daniel.d.kang@gmail.com>
;*
;* This file is part of Libav.
;*
;* Libav 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.
;*
;* Libav 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 Libav; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "x86inc.asm"
%include "x86util.asm"
SECTION_RODATA
pw_pixel_max: times 8 dw ((1 << 10)-1)
pd_32: times 4 dd 32
SECTION .text
;-----------------------------------------------------------------------------
; void h264_idct_add(pixel *dst, dctcoef *block, int stride)
;-----------------------------------------------------------------------------
%macro STORE_DIFFx2 6
psrad %1, 6
psrad %2, 6
packssdw %1, %2
movq %3, [%5]
movhps %3, [%5+%6]
paddsw %1, %3
CLIPW %1, %4, [pw_pixel_max]
movq [%5], %1
movhps [%5+%6], %1
%endmacro
%macro STORE_DIFF16 5
psrad %1, 6
psrad %2, 6
packssdw %1, %2
paddsw %1, [%5]
CLIPW %1, %3, %4
mova [%5], %1
%endmacro
;dst, in, stride
%macro IDCT4_ADD_10 3
mova m0, [%2+ 0]
mova m1, [%2+16]
mova m2, [%2+32]
mova m3, [%2+48]
IDCT4_1D d,0,1,2,3,4,5
TRANSPOSE4x4D 0,1,2,3,4
paddd m0, [pd_32]
IDCT4_1D d,0,1,2,3,4,5
pxor m5, m5
STORE_DIFFx2 m0, m1, m4, m5, %1, %3
lea %1, [%1+%3*2]
STORE_DIFFx2 m2, m3, m4, m5, %1, %3
%endmacro
%macro IDCT_ADD_10 0
cglobal h264_idct_add_10, 3,3
IDCT4_ADD_10 r0, r1, r2
RET
%endmacro
INIT_XMM sse2
IDCT_ADD_10
%if HAVE_AVX
INIT_XMM avx
IDCT_ADD_10
%endif
;-----------------------------------------------------------------------------
; h264_idct_add16(pixel *dst, const int *block_offset, dctcoef *block, int stride, const uint8_t nnzc[6*8])
;-----------------------------------------------------------------------------
;;;;;;; NO FATE SAMPLES TRIGGER THIS
%macro ADD4x4IDCT 0
add4x4_idct %+ SUFFIX:
add r5, r0
mova m0, [r2+ 0]
mova m1, [r2+16]
mova m2, [r2+32]
mova m3, [r2+48]
IDCT4_1D d,0,1,2,3,4,5
TRANSPOSE4x4D 0,1,2,3,4
paddd m0, [pd_32]
IDCT4_1D d,0,1,2,3,4,5
pxor m5, m5
STORE_DIFFx2 m0, m1, m4, m5, r5, r3
lea r5, [r5+r3*2]
STORE_DIFFx2 m2, m3, m4, m5, r5, r3
ret
%endmacro
INIT_XMM sse2
ALIGN 16
ADD4x4IDCT
%if HAVE_AVX
INIT_XMM avx
ALIGN 16
ADD4x4IDCT
%endif
%macro ADD16_OP 2
cmp byte [r4+%2], 0
jz .skipblock%1
mov r5d, [r1+%1*4]
call add4x4_idct %+ SUFFIX
.skipblock%1:
%if %1<15
add r2, 64
%endif
%endmacro
%macro IDCT_ADD16_10 0
cglobal h264_idct_add16_10, 5,6
ADD16_OP 0, 4+1*8
ADD16_OP 1, 5+1*8
ADD16_OP 2, 4+2*8
ADD16_OP 3, 5+2*8
ADD16_OP 4, 6+1*8
ADD16_OP 5, 7+1*8
ADD16_OP 6, 6+2*8
ADD16_OP 7, 7+2*8
ADD16_OP 8, 4+3*8
ADD16_OP 9, 5+3*8
ADD16_OP 10, 4+4*8
ADD16_OP 11, 5+4*8
ADD16_OP 12, 6+3*8
ADD16_OP 13, 7+3*8
ADD16_OP 14, 6+4*8
ADD16_OP 15, 7+4*8
REP_RET
%endmacro
INIT_XMM sse2
IDCT_ADD16_10
%if HAVE_AVX
INIT_XMM avx
IDCT_ADD16_10
%endif
;-----------------------------------------------------------------------------
; void h264_idct_dc_add(pixel *dst, dctcoef *block, int stride)
;-----------------------------------------------------------------------------
%macro IDCT_DC_ADD_OP_10 3
pxor m5, m5
%if avx_enabled
paddw m1, m0, [%1+0 ]
paddw m2, m0, [%1+%2 ]
paddw m3, m0, [%1+%2*2]
paddw m4, m0, [%1+%3 ]
%else
mova m1, [%1+0 ]
mova m2, [%1+%2 ]
mova m3, [%1+%2*2]
mova m4, [%1+%3 ]
paddw m1, m0
paddw m2, m0
paddw m3, m0
paddw m4, m0
%endif
CLIPW m1, m5, m6
CLIPW m2, m5, m6
CLIPW m3, m5, m6
CLIPW m4, m5, m6
mova [%1+0 ], m1
mova [%1+%2 ], m2
mova [%1+%2*2], m3
mova [%1+%3 ], m4
%endmacro
INIT_MMX mmx2
cglobal h264_idct_dc_add_10,3,3
movd m0, [r1]
paddd m0, [pd_32]
psrad m0, 6
lea r1, [r2*3]
pshufw m0, m0, 0
mova m6, [pw_pixel_max]
IDCT_DC_ADD_OP_10 r0, r2, r1
RET
;-----------------------------------------------------------------------------
; void h264_idct8_dc_add(pixel *dst, dctcoef *block, int stride)
;-----------------------------------------------------------------------------
%macro IDCT8_DC_ADD 0
cglobal h264_idct8_dc_add_10,3,3,7
mov r1d, [r1]
add r1, 32
sar r1, 6
movd m0, r1d
lea r1, [r2*3]
SPLATW m0, m0, 0
mova m6, [pw_pixel_max]
IDCT_DC_ADD_OP_10 r0, r2, r1
lea r0, [r0+r2*4]
IDCT_DC_ADD_OP_10 r0, r2, r1
RET
%endmacro
INIT_XMM sse2
IDCT8_DC_ADD
%if HAVE_AVX
INIT_XMM avx
IDCT8_DC_ADD
%endif
;-----------------------------------------------------------------------------
; h264_idct_add16intra(pixel *dst, const int *block_offset, dctcoef *block, int stride, const uint8_t nnzc[6*8])
;-----------------------------------------------------------------------------
%macro AC 1
.ac%1
mov r5d, [r1+(%1+0)*4]
call add4x4_idct %+ SUFFIX
mov r5d, [r1+(%1+1)*4]
add r2, 64
call add4x4_idct %+ SUFFIX
add r2, 64
jmp .skipadd%1
%endmacro
%assign last_block 16
%macro ADD16_OP_INTRA 2
cmp word [r4+%2], 0
jnz .ac%1
mov r5d, [r2+ 0]
or r5d, [r2+64]
jz .skipblock%1
mov r5d, [r1+(%1+0)*4]
call idct_dc_add %+ SUFFIX
.skipblock%1:
%if %1<last_block-2
add r2, 128
%endif
.skipadd%1:
%endmacro
%macro IDCT_ADD16INTRA_10 0
idct_dc_add %+ SUFFIX:
add r5, r0
movq m0, [r2+ 0]
movhps m0, [r2+64]
paddd m0, [pd_32]
psrad m0, 6
pshufhw m0, m0, 0
pshuflw m0, m0, 0
lea r6, [r3*3]
mova m6, [pw_pixel_max]
IDCT_DC_ADD_OP_10 r5, r3, r6
ret
cglobal h264_idct_add16intra_10,5,7,8
ADD16_OP_INTRA 0, 4+1*8
ADD16_OP_INTRA 2, 4+2*8
ADD16_OP_INTRA 4, 6+1*8
ADD16_OP_INTRA 6, 6+2*8
ADD16_OP_INTRA 8, 4+3*8
ADD16_OP_INTRA 10, 4+4*8
ADD16_OP_INTRA 12, 6+3*8
ADD16_OP_INTRA 14, 6+4*8
REP_RET
AC 8
AC 10
AC 12
AC 14
AC 0
AC 2
AC 4
AC 6
%endmacro
INIT_XMM sse2
IDCT_ADD16INTRA_10
%if HAVE_AVX
INIT_XMM avx
IDCT_ADD16INTRA_10
%endif
%assign last_block 36
;-----------------------------------------------------------------------------
; h264_idct_add8(pixel **dst, const int *block_offset, dctcoef *block, int stride, const uint8_t nnzc[6*8])
;-----------------------------------------------------------------------------
%macro IDCT_ADD8 0
cglobal h264_idct_add8_10,5,8,7
%if ARCH_X86_64
mov r7, r0
%endif
add r2, 1024
mov r0, [r0]
ADD16_OP_INTRA 16, 4+ 6*8
ADD16_OP_INTRA 18, 4+ 7*8
add r2, 1024-128*2
%if ARCH_X86_64
mov r0, [r7+gprsize]
%else
mov r0, r0m
mov r0, [r0+gprsize]
%endif
ADD16_OP_INTRA 32, 4+11*8
ADD16_OP_INTRA 34, 4+12*8
REP_RET
AC 16
AC 18
AC 32
AC 34
%endmacro ; IDCT_ADD8
INIT_XMM sse2
IDCT_ADD8
%if HAVE_AVX
INIT_XMM avx
IDCT_ADD8
%endif
;-----------------------------------------------------------------------------
; void h264_idct8_add(pixel *dst, dctcoef *block, int stride)
;-----------------------------------------------------------------------------
%macro IDCT8_1D 2
SWAP 0, 1
psrad m4, m5, 1
psrad m1, m0, 1
paddd m4, m5
paddd m1, m0
paddd m4, m7
paddd m1, m5
psubd m4, m0
paddd m1, m3
psubd m0, m3
psubd m5, m3
paddd m0, m7
psubd m5, m7
psrad m3, 1
psrad m7, 1
psubd m0, m3
psubd m5, m7
SWAP 1, 7
psrad m1, m7, 2
psrad m3, m4, 2
paddd m3, m0
psrad m0, 2
paddd m1, m5
psrad m5, 2
psubd m0, m4
psubd m7, m5
SWAP 5, 6
psrad m4, m2, 1
psrad m6, m5, 1
psubd m4, m5
paddd m6, m2
mova m2, %1
mova m5, %2
SUMSUB_BA d, 5, 2
SUMSUB_BA d, 6, 5
SUMSUB_BA d, 4, 2
SUMSUB_BA d, 7, 6
SUMSUB_BA d, 0, 4
SUMSUB_BA d, 3, 2
SUMSUB_BA d, 1, 5
SWAP 7, 6, 4, 5, 2, 3, 1, 0 ; 70315246 -> 01234567
%endmacro
%macro IDCT8_1D_FULL 1
mova m7, [%1+112*2]
mova m6, [%1+ 96*2]
mova m5, [%1+ 80*2]
mova m3, [%1+ 48*2]
mova m2, [%1+ 32*2]
mova m1, [%1+ 16*2]
IDCT8_1D [%1], [%1+ 64*2]
%endmacro
; %1=int16_t *block, %2=int16_t *dstblock
%macro IDCT8_ADD_SSE_START 2
IDCT8_1D_FULL %1
%if ARCH_X86_64
TRANSPOSE4x4D 0,1,2,3,8
mova [%2 ], m0
TRANSPOSE4x4D 4,5,6,7,8
mova [%2+8*2], m4
%else
mova [%1], m7
TRANSPOSE4x4D 0,1,2,3,7
mova m7, [%1]
mova [%2 ], m0
mova [%2+16*2], m1
mova [%2+32*2], m2
mova [%2+48*2], m3
TRANSPOSE4x4D 4,5,6,7,3
mova [%2+ 8*2], m4
mova [%2+24*2], m5
mova [%2+40*2], m6
mova [%2+56*2], m7
%endif
%endmacro
; %1=uint8_t *dst, %2=int16_t *block, %3=int stride
%macro IDCT8_ADD_SSE_END 3
IDCT8_1D_FULL %2
mova [%2 ], m6
mova [%2+16*2], m7
pxor m7, m7
STORE_DIFFx2 m0, m1, m6, m7, %1, %3
lea %1, [%1+%3*2]
STORE_DIFFx2 m2, m3, m6, m7, %1, %3
mova m0, [%2 ]
mova m1, [%2+16*2]
lea %1, [%1+%3*2]
STORE_DIFFx2 m4, m5, m6, m7, %1, %3
lea %1, [%1+%3*2]
STORE_DIFFx2 m0, m1, m6, m7, %1, %3
%endmacro
%macro IDCT8_ADD 0
cglobal h264_idct8_add_10, 3,4,16
%if UNIX64 == 0
%assign pad 16-gprsize-(stack_offset&15)
sub rsp, pad
call h264_idct8_add1_10 %+ SUFFIX
add rsp, pad
RET
%endif
ALIGN 16
; TODO: does not need to use stack
h264_idct8_add1_10 %+ SUFFIX:
%assign pad 256+16-gprsize
sub rsp, pad
add dword [r1], 32
%if ARCH_X86_64
IDCT8_ADD_SSE_START r1, rsp
SWAP 1, 9
SWAP 2, 10
SWAP 3, 11
SWAP 5, 13
SWAP 6, 14
SWAP 7, 15
IDCT8_ADD_SSE_START r1+16, rsp+128
PERMUTE 1,9, 2,10, 3,11, 5,1, 6,2, 7,3, 9,13, 10,14, 11,15, 13,5, 14,6, 15,7
IDCT8_1D [rsp], [rsp+128]
SWAP 0, 8
SWAP 1, 9
SWAP 2, 10
SWAP 3, 11
SWAP 4, 12
SWAP 5, 13
SWAP 6, 14
SWAP 7, 15
IDCT8_1D [rsp+16], [rsp+144]
psrad m8, 6
psrad m0, 6
packssdw m8, m0
paddsw m8, [r0]
pxor m0, m0
CLIPW m8, m0, [pw_pixel_max]
mova [r0], m8
mova m8, [pw_pixel_max]
STORE_DIFF16 m9, m1, m0, m8, r0+r2
lea r0, [r0+r2*2]
STORE_DIFF16 m10, m2, m0, m8, r0
STORE_DIFF16 m11, m3, m0, m8, r0+r2
lea r0, [r0+r2*2]
STORE_DIFF16 m12, m4, m0, m8, r0
STORE_DIFF16 m13, m5, m0, m8, r0+r2
lea r0, [r0+r2*2]
STORE_DIFF16 m14, m6, m0, m8, r0
STORE_DIFF16 m15, m7, m0, m8, r0+r2
%else
IDCT8_ADD_SSE_START r1, rsp
IDCT8_ADD_SSE_START r1+16, rsp+128
lea r3, [r0+8]
IDCT8_ADD_SSE_END r0, rsp, r2
IDCT8_ADD_SSE_END r3, rsp+16, r2
%endif ; ARCH_X86_64
add rsp, pad
ret
%endmacro
INIT_XMM sse2
IDCT8_ADD
%if HAVE_AVX
INIT_XMM avx
IDCT8_ADD
%endif
;-----------------------------------------------------------------------------
; h264_idct8_add4(pixel **dst, const int *block_offset, dctcoef *block, int stride, const uint8_t nnzc[6*8])
;-----------------------------------------------------------------------------
;;;;;;; NO FATE SAMPLES TRIGGER THIS
%macro IDCT8_ADD4_OP 2
cmp byte [r4+%2], 0
jz .skipblock%1
mov r0d, [r6+%1*4]
add r0, r5
call h264_idct8_add1_10 %+ SUFFIX
.skipblock%1:
%if %1<12
add r1, 256
%endif
%endmacro
%macro IDCT8_ADD4 0
cglobal h264_idct8_add4_10, 0,7,16
%assign pad 16-gprsize-(stack_offset&15)
SUB rsp, pad
mov r5, r0mp
mov r6, r1mp
mov r1, r2mp
mov r2d, r3m
movifnidn r4, r4mp
IDCT8_ADD4_OP 0, 4+1*8
IDCT8_ADD4_OP 4, 6+1*8
IDCT8_ADD4_OP 8, 4+3*8
IDCT8_ADD4_OP 12, 6+3*8
ADD rsp, pad
RET
%endmacro ; IDCT8_ADD4
INIT_XMM sse2
IDCT8_ADD4
%if HAVE_AVX
INIT_XMM avx
IDCT8_ADD4
%endif
|
