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
|
/*
* Copyright (C) 2004 the ffmpeg project
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file vp3dsp_mmx.c
* MMX-optimized functions cribbed from the original VP3 source code.
*/
#include "libavutil/x86_cpu.h"
#include "libavcodec/dsputil.h"
#include "dsputil_mmx.h"
extern const uint16_t ff_vp3_idct_data[];
// this is off by one or two for some cases when filter_limit is greater than 63
// in: p0 in mm6, p1 in mm4, p2 in mm2, p3 in mm1
// out: p1 in mm4, p2 in mm3
#define VP3_LOOP_FILTER(flim) \
"movq %%mm6, %%mm7 \n\t" \
"pand "MANGLE(ff_pb_7 )", %%mm6 \n\t" /* p0&7 */ \
"psrlw $3, %%mm7 \n\t" \
"pand "MANGLE(ff_pb_1F)", %%mm7 \n\t" /* p0>>3 */ \
"movq %%mm2, %%mm3 \n\t" /* mm3 = p2 */ \
"pxor %%mm4, %%mm2 \n\t" \
"pand "MANGLE(ff_pb_1 )", %%mm2 \n\t" /* (p2^p1)&1 */ \
"movq %%mm2, %%mm5 \n\t" \
"paddb %%mm2, %%mm2 \n\t" \
"paddb %%mm5, %%mm2 \n\t" /* 3*(p2^p1)&1 */ \
"paddb %%mm6, %%mm2 \n\t" /* extra bits lost in shifts */ \
"pcmpeqb %%mm0, %%mm0 \n\t" \
"pxor %%mm0, %%mm1 \n\t" /* 255 - p3 */ \
"pavgb %%mm2, %%mm1 \n\t" /* (256 - p3 + extrabits) >> 1 */ \
"pxor %%mm4, %%mm0 \n\t" /* 255 - p1 */ \
"pavgb %%mm3, %%mm0 \n\t" /* (256 + p2-p1) >> 1 */ \
"paddb "MANGLE(ff_pb_3 )", %%mm1 \n\t" \
"pavgb %%mm0, %%mm1 \n\t" /* 128+2+( p2-p1 - p3) >> 2 */ \
"pavgb %%mm0, %%mm1 \n\t" /* 128+1+(3*(p2-p1) - p3) >> 3 */ \
"paddusb %%mm1, %%mm7 \n\t" /* d+128+1 */ \
"movq "MANGLE(ff_pb_81)", %%mm6 \n\t" \
"psubusb %%mm7, %%mm6 \n\t" \
"psubusb "MANGLE(ff_pb_81)", %%mm7 \n\t" \
\
"movq "#flim", %%mm5 \n\t" \
"pminub %%mm5, %%mm6 \n\t" \
"pminub %%mm5, %%mm7 \n\t" \
"movq %%mm6, %%mm0 \n\t" \
"movq %%mm7, %%mm1 \n\t" \
"paddb %%mm6, %%mm6 \n\t" \
"paddb %%mm7, %%mm7 \n\t" \
"pminub %%mm5, %%mm6 \n\t" \
"pminub %%mm5, %%mm7 \n\t" \
"psubb %%mm0, %%mm6 \n\t" \
"psubb %%mm1, %%mm7 \n\t" \
"paddusb %%mm7, %%mm4 \n\t" \
"psubusb %%mm6, %%mm4 \n\t" \
"psubusb %%mm7, %%mm3 \n\t" \
"paddusb %%mm6, %%mm3 \n\t"
#define STORE_4_WORDS(dst0, dst1, dst2, dst3, mm) \
"movd "#mm", %0 \n\t" \
"movw %w0, -1"#dst0" \n\t" \
"psrlq $32, "#mm" \n\t" \
"shr $16, %0 \n\t" \
"movw %w0, -1"#dst1" \n\t" \
"movd "#mm", %0 \n\t" \
"movw %w0, -1"#dst2" \n\t" \
"shr $16, %0 \n\t" \
"movw %w0, -1"#dst3" \n\t"
void ff_vp3_v_loop_filter_mmx2(uint8_t *src, int stride, int *bounding_values)
{
__asm__ volatile(
"movq %0, %%mm6 \n\t"
"movq %1, %%mm4 \n\t"
"movq %2, %%mm2 \n\t"
"movq %3, %%mm1 \n\t"
VP3_LOOP_FILTER(%4)
"movq %%mm4, %1 \n\t"
"movq %%mm3, %2 \n\t"
: "+m" (*(uint64_t*)(src - 2*stride)),
"+m" (*(uint64_t*)(src - 1*stride)),
"+m" (*(uint64_t*)(src + 0*stride)),
"+m" (*(uint64_t*)(src + 1*stride))
: "m"(*(uint64_t*)(bounding_values+129))
);
}
void ff_vp3_h_loop_filter_mmx2(uint8_t *src, int stride, int *bounding_values)
{
x86_reg tmp;
__asm__ volatile(
"movd -2(%1), %%mm6 \n\t"
"movd -2(%1,%3), %%mm0 \n\t"
"movd -2(%1,%3,2), %%mm1 \n\t"
"movd -2(%1,%4), %%mm4 \n\t"
TRANSPOSE8x4(%%mm6, %%mm0, %%mm1, %%mm4, -2(%2), -2(%2,%3), -2(%2,%3,2), -2(%2,%4), %%mm2)
VP3_LOOP_FILTER(%5)
SBUTTERFLY(%%mm4, %%mm3, %%mm5, bw, q)
STORE_4_WORDS((%1), (%1,%3), (%1,%3,2), (%1,%4), %%mm4)
STORE_4_WORDS((%2), (%2,%3), (%2,%3,2), (%2,%4), %%mm5)
: "=&r"(tmp)
: "r"(src), "r"(src+4*stride), "r"((x86_reg)stride), "r"((x86_reg)3*stride),
"m"(*(uint64_t*)(bounding_values+129))
: "memory"
);
}
/* from original comments: The Macro does IDct on 4 1-D Dcts */
#define BeginIDCT() \
"movq "I(3)", %%mm2 \n\t" \
"movq "C(3)", %%mm6 \n\t" \
"movq %%mm2, %%mm4 \n\t" \
"movq "J(5)", %%mm7 \n\t" \
"pmulhw %%mm6, %%mm4 \n\t" /* r4 = c3*i3 - i3 */ \
"movq "C(5)", %%mm1 \n\t" \
"pmulhw %%mm7, %%mm6 \n\t" /* r6 = c3*i5 - i5 */ \
"movq %%mm1, %%mm5 \n\t" \
"pmulhw %%mm2, %%mm1 \n\t" /* r1 = c5*i3 - i3 */ \
"movq "I(1)", %%mm3 \n\t" \
"pmulhw %%mm7, %%mm5 \n\t" /* r5 = c5*i5 - i5 */ \
"movq "C(1)", %%mm0 \n\t" \
"paddw %%mm2, %%mm4 \n\t" /* r4 = c3*i3 */ \
"paddw %%mm7, %%mm6 \n\t" /* r6 = c3*i5 */ \
"paddw %%mm1, %%mm2 \n\t" /* r2 = c5*i3 */ \
"movq "J(7)", %%mm1 \n\t" \
"paddw %%mm5, %%mm7 \n\t" /* r7 = c5*i5 */ \
"movq %%mm0, %%mm5 \n\t" /* r5 = c1 */ \
"pmulhw %%mm3, %%mm0 \n\t" /* r0 = c1*i1 - i1 */ \
"paddsw %%mm7, %%mm4 \n\t" /* r4 = C = c3*i3 + c5*i5 */ \
"pmulhw %%mm1, %%mm5 \n\t" /* r5 = c1*i7 - i7 */ \
"movq "C(7)", %%mm7 \n\t" \
"psubsw %%mm2, %%mm6 \n\t" /* r6 = D = c3*i5 - c5*i3 */ \
"paddw %%mm3, %%mm0 \n\t" /* r0 = c1*i1 */ \
"pmulhw %%mm7, %%mm3 \n\t" /* r3 = c7*i1 */ \
"movq "I(2)", %%mm2 \n\t" \
"pmulhw %%mm1, %%mm7 \n\t" /* r7 = c7*i7 */ \
"paddw %%mm1, %%mm5 \n\t" /* r5 = c1*i7 */ \
"movq %%mm2, %%mm1 \n\t" /* r1 = i2 */ \
"pmulhw "C(2)", %%mm2 \n\t" /* r2 = c2*i2 - i2 */ \
"psubsw %%mm5, %%mm3 \n\t" /* r3 = B = c7*i1 - c1*i7 */ \
"movq "J(6)", %%mm5 \n\t" \
"paddsw %%mm7, %%mm0 \n\t" /* r0 = A = c1*i1 + c7*i7 */ \
"movq %%mm5, %%mm7 \n\t" /* r7 = i6 */ \
"psubsw %%mm4, %%mm0 \n\t" /* r0 = A - C */ \
"pmulhw "C(2)", %%mm5 \n\t" /* r5 = c2*i6 - i6 */ \
"paddw %%mm1, %%mm2 \n\t" /* r2 = c2*i2 */ \
"pmulhw "C(6)", %%mm1 \n\t" /* r1 = c6*i2 */ \
"paddsw %%mm4, %%mm4 \n\t" /* r4 = C + C */ \
"paddsw %%mm0, %%mm4 \n\t" /* r4 = C. = A + C */ \
"psubsw %%mm6, %%mm3 \n\t" /* r3 = B - D */ \
"paddw %%mm7, %%mm5 \n\t" /* r5 = c2*i6 */ \
"paddsw %%mm6, %%mm6 \n\t" /* r6 = D + D */ \
"pmulhw "C(6)", %%mm7 \n\t" /* r7 = c6*i6 */ \
"paddsw %%mm3, %%mm6 \n\t" /* r6 = D. = B + D */ \
"movq %%mm4, "I(1)"\n\t" /* save C. at I(1) */ \
"psubsw %%mm5, %%mm1 \n\t" /* r1 = H = c6*i2 - c2*i6 */ \
"movq "C(4)", %%mm4 \n\t" \
"movq %%mm3, %%mm5 \n\t" /* r5 = B - D */ \
"pmulhw %%mm4, %%mm3 \n\t" /* r3 = (c4 - 1) * (B - D) */ \
"paddsw %%mm2, %%mm7 \n\t" /* r3 = (c4 - 1) * (B - D) */ \
"movq %%mm6, "I(2)"\n\t" /* save D. at I(2) */ \
"movq %%mm0, %%mm2 \n\t" /* r2 = A - C */ \
"movq "I(0)", %%mm6 \n\t" \
"pmulhw %%mm4, %%mm0 \n\t" /* r0 = (c4 - 1) * (A - C) */ \
"paddw %%mm3, %%mm5 \n\t" /* r5 = B. = c4 * (B - D) */ \
"movq "J(4)", %%mm3 \n\t" \
"psubsw %%mm1, %%mm5 \n\t" /* r5 = B.. = B. - H */ \
"paddw %%mm0, %%mm2 \n\t" /* r0 = A. = c4 * (A - C) */ \
"psubsw %%mm3, %%mm6 \n\t" /* r6 = i0 - i4 */ \
"movq %%mm6, %%mm0 \n\t" \
"pmulhw %%mm4, %%mm6 \n\t" /* r6 = (c4 - 1) * (i0 - i4) */ \
"paddsw %%mm3, %%mm3 \n\t" /* r3 = i4 + i4 */ \
"paddsw %%mm1, %%mm1 \n\t" /* r1 = H + H */ \
"paddsw %%mm0, %%mm3 \n\t" /* r3 = i0 + i4 */ \
"paddsw %%mm5, %%mm1 \n\t" /* r1 = H. = B + H */ \
"pmulhw %%mm3, %%mm4 \n\t" /* r4 = (c4 - 1) * (i0 + i4) */ \
"paddsw %%mm0, %%mm6 \n\t" /* r6 = F = c4 * (i0 - i4) */ \
"psubsw %%mm2, %%mm6 \n\t" /* r6 = F. = F - A. */ \
"paddsw %%mm2, %%mm2 \n\t" /* r2 = A. + A. */ \
"movq "I(1)", %%mm0 \n\t" /* r0 = C. */ \
"paddsw %%mm6, %%mm2 \n\t" /* r2 = A.. = F + A. */ \
"paddw %%mm3, %%mm4 \n\t" /* r4 = E = c4 * (i0 + i4) */ \
"psubsw %%mm1, %%mm2 \n\t" /* r2 = R2 = A.. - H. */
/* RowIDCT gets ready to transpose */
#define RowIDCT() \
BeginIDCT() \
"movq "I(2)", %%mm3 \n\t" /* r3 = D. */ \
"psubsw %%mm7, %%mm4 \n\t" /* r4 = E. = E - G */ \
"paddsw %%mm1, %%mm1 \n\t" /* r1 = H. + H. */ \
"paddsw %%mm7, %%mm7 \n\t" /* r7 = G + G */ \
"paddsw %%mm2, %%mm1 \n\t" /* r1 = R1 = A.. + H. */ \
"paddsw %%mm4, %%mm7 \n\t" /* r1 = R1 = A.. + H. */ \
"psubsw %%mm3, %%mm4 \n\t" /* r4 = R4 = E. - D. */ \
"paddsw %%mm3, %%mm3 \n\t" \
"psubsw %%mm5, %%mm6 \n\t" /* r6 = R6 = F. - B.. */ \
"paddsw %%mm5, %%mm5 \n\t" \
"paddsw %%mm4, %%mm3 \n\t" /* r3 = R3 = E. + D. */ \
"paddsw %%mm6, %%mm5 \n\t" /* r5 = R5 = F. + B.. */ \
"psubsw %%mm0, %%mm7 \n\t" /* r7 = R7 = G. - C. */ \
"paddsw %%mm0, %%mm0 \n\t" \
"movq %%mm1, "I(1)"\n\t" /* save R1 */ \
"paddsw %%mm7, %%mm0 \n\t" /* r0 = R0 = G. + C. */
/* Column IDCT normalizes and stores final results */
#define ColumnIDCT() \
BeginIDCT() \
"paddsw "OC_8", %%mm2 \n\t" /* adjust R2 (and R1) for shift */ \
"paddsw %%mm1, %%mm1 \n\t" /* r1 = H. + H. */ \
"paddsw %%mm2, %%mm1 \n\t" /* r1 = R1 = A.. + H. */ \
"psraw $4, %%mm2 \n\t" /* r2 = NR2 */ \
"psubsw %%mm7, %%mm4 \n\t" /* r4 = E. = E - G */ \
"psraw $4, %%mm1 \n\t" /* r1 = NR1 */ \
"movq "I(2)", %%mm3 \n\t" /* r3 = D. */ \
"paddsw %%mm7, %%mm7 \n\t" /* r7 = G + G */ \
"movq %%mm2, "I(2)"\n\t" /* store NR2 at I2 */ \
"paddsw %%mm4, %%mm7 \n\t" /* r7 = G. = E + G */ \
"movq %%mm1, "I(1)"\n\t" /* store NR1 at I1 */ \
"psubsw %%mm3, %%mm4 \n\t" /* r4 = R4 = E. - D. */ \
"paddsw "OC_8", %%mm4 \n\t" /* adjust R4 (and R3) for shift */ \
"paddsw %%mm3, %%mm3 \n\t" /* r3 = D. + D. */ \
"paddsw %%mm4, %%mm3 \n\t" /* r3 = R3 = E. + D. */ \
"psraw $4, %%mm4 \n\t" /* r4 = NR4 */ \
"psubsw %%mm5, %%mm6 \n\t" /* r6 = R6 = F. - B.. */ \
"psraw $4, %%mm3 \n\t" /* r3 = NR3 */ \
"paddsw "OC_8", %%mm6 \n\t" /* adjust R6 (and R5) for shift */ \
"paddsw %%mm5, %%mm5 \n\t" /* r5 = B.. + B.. */ \
"paddsw %%mm6, %%mm5 \n\t" /* r5 = R5 = F. + B.. */ \
"psraw $4, %%mm6 \n\t" /* r6 = NR6 */ \
"movq %%mm4, "J(4)"\n\t" /* store NR4 at J4 */ \
"psraw $4, %%mm5 \n\t" /* r5 = NR5 */ \
"movq %%mm3, "I(3)"\n\t" /* store NR3 at I3 */ \
"psubsw %%mm0, %%mm7 \n\t" /* r7 = R7 = G. - C. */ \
"paddsw "OC_8", %%mm7 \n\t" /* adjust R7 (and R0) for shift */ \
"paddsw %%mm0, %%mm0 \n\t" /* r0 = C. + C. */ \
"paddsw %%mm7, %%mm0 \n\t" /* r0 = R0 = G. + C. */ \
"psraw $4, %%mm7 \n\t" /* r7 = NR7 */ \
"movq %%mm6, "J(6)"\n\t" /* store NR6 at J6 */ \
"psraw $4, %%mm0 \n\t" /* r0 = NR0 */ \
"movq %%mm5, "J(5)"\n\t" /* store NR5 at J5 */ \
"movq %%mm7, "J(7)"\n\t" /* store NR7 at J7 */ \
"movq %%mm0, "I(0)"\n\t" /* store NR0 at I0 */
/* Following macro does two 4x4 transposes in place.
At entry (we assume):
r0 = a3 a2 a1 a0
I(1) = b3 b2 b1 b0
r2 = c3 c2 c1 c0
r3 = d3 d2 d1 d0
r4 = e3 e2 e1 e0
r5 = f3 f2 f1 f0
r6 = g3 g2 g1 g0
r7 = h3 h2 h1 h0
At exit, we have:
I(0) = d0 c0 b0 a0
I(1) = d1 c1 b1 a1
I(2) = d2 c2 b2 a2
I(3) = d3 c3 b3 a3
J(4) = h0 g0 f0 e0
J(5) = h1 g1 f1 e1
J(6) = h2 g2 f2 e2
J(7) = h3 g3 f3 e3
I(0) I(1) I(2) I(3) is the transpose of r0 I(1) r2 r3.
J(4) J(5) J(6) J(7) is the transpose of r4 r5 r6 r7.
Since r1 is free at entry, we calculate the Js first. */
#define Transpose() \
"movq %%mm4, %%mm1 \n\t" /* r1 = e3 e2 e1 e0 */ \
"punpcklwd %%mm5, %%mm4 \n\t" /* r4 = f1 e1 f0 e0 */ \
"movq %%mm0, "I(0)"\n\t" /* save a3 a2 a1 a0 */ \
"punpckhwd %%mm5, %%mm1 \n\t" /* r1 = f3 e3 f2 e2 */ \
"movq %%mm6, %%mm0 \n\t" /* r0 = g3 g2 g1 g0 */ \
"punpcklwd %%mm7, %%mm6 \n\t" /* r6 = h1 g1 h0 g0 */ \
"movq %%mm4, %%mm5 \n\t" /* r5 = f1 e1 f0 e0 */ \
"punpckldq %%mm6, %%mm4 \n\t" /* r4 = h0 g0 f0 e0 = R4 */ \
"punpckhdq %%mm6, %%mm5 \n\t" /* r5 = h1 g1 f1 e1 = R5 */ \
"movq %%mm1, %%mm6 \n\t" /* r6 = f3 e3 f2 e2 */ \
"movq %%mm4, "J(4)"\n\t" \
"punpckhwd %%mm7, %%mm0 \n\t" /* r0 = h3 g3 h2 g2 */ \
"movq %%mm5, "J(5)"\n\t" \
"punpckhdq %%mm0, %%mm6 \n\t" /* r6 = h3 g3 f3 e3 = R7 */ \
"movq "I(0)", %%mm4 \n\t" /* r4 = a3 a2 a1 a0 */ \
"punpckldq %%mm0, %%mm1 \n\t" /* r1 = h2 g2 f2 e2 = R6 */ \
"movq "I(1)", %%mm5 \n\t" /* r5 = b3 b2 b1 b0 */ \
"movq %%mm4, %%mm0 \n\t" /* r0 = a3 a2 a1 a0 */ \
"movq %%mm6, "J(7)"\n\t" \
"punpcklwd %%mm5, %%mm0 \n\t" /* r0 = b1 a1 b0 a0 */ \
"movq %%mm1, "J(6)"\n\t" \
"punpckhwd %%mm5, %%mm4 \n\t" /* r4 = b3 a3 b2 a2 */ \
"movq %%mm2, %%mm5 \n\t" /* r5 = c3 c2 c1 c0 */ \
"punpcklwd %%mm3, %%mm2 \n\t" /* r2 = d1 c1 d0 c0 */ \
"movq %%mm0, %%mm1 \n\t" /* r1 = b1 a1 b0 a0 */ \
"punpckldq %%mm2, %%mm0 \n\t" /* r0 = d0 c0 b0 a0 = R0 */ \
"punpckhdq %%mm2, %%mm1 \n\t" /* r1 = d1 c1 b1 a1 = R1 */ \
"movq %%mm4, %%mm2 \n\t" /* r2 = b3 a3 b2 a2 */ \
"movq %%mm0, "I(0)"\n\t" \
"punpckhwd %%mm3, %%mm5 \n\t" /* r5 = d3 c3 d2 c2 */ \
"movq %%mm1, "I(1)"\n\t" \
"punpckhdq %%mm5, %%mm4 \n\t" /* r4 = d3 c3 b3 a3 = R3 */ \
"punpckldq %%mm5, %%mm2 \n\t" /* r2 = d2 c2 b2 a2 = R2 */ \
"movq %%mm4, "I(3)"\n\t" \
"movq %%mm2, "I(2)"\n\t"
void ff_vp3_idct_mmx(int16_t *output_data)
{
/* eax = quantized input
* ebx = dequantizer matrix
* ecx = IDCT constants
* M(I) = ecx + MaskOffset(0) + I * 8
* C(I) = ecx + CosineOffset(32) + (I-1) * 8
* edx = output
* r0..r7 = mm0..mm7
*/
#define C(x) AV_STRINGIFY(16*(x-1))"(%1)"
#define OC_8 "%2"
/* at this point, function has completed dequantization + dezigzag +
* partial transposition; now do the idct itself */
#define I(x) AV_STRINGIFY(16* x )"(%0)"
#define J(x) AV_STRINGIFY(16*(x-4) + 8)"(%0)"
__asm__ volatile (
RowIDCT()
Transpose()
#undef I
#undef J
#define I(x) AV_STRINGIFY(16* x + 64)"(%0)"
#define J(x) AV_STRINGIFY(16*(x-4) + 72)"(%0)"
RowIDCT()
Transpose()
#undef I
#undef J
#define I(x) AV_STRINGIFY(16*x)"(%0)"
#define J(x) AV_STRINGIFY(16*x)"(%0)"
ColumnIDCT()
#undef I
#undef J
#define I(x) AV_STRINGIFY(16*x + 8)"(%0)"
#define J(x) AV_STRINGIFY(16*x + 8)"(%0)"
ColumnIDCT()
:: "r"(output_data), "r"(ff_vp3_idct_data), "m"(ff_pw_8)
);
#undef I
#undef J
}
void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, DCTELEM *block)
{
ff_vp3_idct_mmx(block);
put_signed_pixels_clamped_mmx(block, dest, line_size);
}
void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, DCTELEM *block)
{
ff_vp3_idct_mmx(block);
add_pixels_clamped_mmx(block, dest, line_size);
}
|
