FFmpeg  4.0
cavsdsp.c
Go to the documentation of this file.
1 /*
2  * Chinese AVS video (AVS1-P2, JiZhun profile) decoder.
3  * Copyright (c) 2006 Stefan Gehrer <stefan.gehrer@gmx.de>
4  *
5  * MMX-optimized DSP functions, based on H.264 optimizations by
6  * Michael Niedermayer and Loren Merritt
7  *
8  * This file is part of FFmpeg.
9  *
10  * FFmpeg is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU Lesser General Public
12  * License as published by the Free Software Foundation; either
13  * version 2.1 of the License, or (at your option) any later version.
14  *
15  * FFmpeg is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18  * Lesser General Public License for more details.
19  *
20  * You should have received a copy of the GNU Lesser General Public
21  * License along with FFmpeg; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23  */
24 
25 #include "libavutil/attributes.h"
26 #include "libavutil/common.h"
27 #include "libavutil/cpu.h"
28 #include "libavutil/x86/asm.h"
29 #include "libavutil/x86/cpu.h"
30 #include "libavcodec/cavsdsp.h"
31 #include "libavcodec/idctdsp.h"
32 #include "constants.h"
33 #include "fpel.h"
34 #include "idctdsp.h"
35 #include "config.h"
36 
37 
38 #if HAVE_MMX_EXTERNAL
39 
40 void ff_cavs_idct8_mmx(int16_t *out, const int16_t *in);
41 
42 static void cavs_idct8_add_mmx(uint8_t *dst, int16_t *block, ptrdiff_t stride)
43 {
44  LOCAL_ALIGNED(16, int16_t, b2, [64]);
45  ff_cavs_idct8_mmx(b2, block);
46  ff_add_pixels_clamped_mmx(b2, dst, stride);
47 }
48 
49 void ff_cavs_idct8_sse2(int16_t *out, const int16_t *in);
50 
51 static void cavs_idct8_add_sse2(uint8_t *dst, int16_t *block, ptrdiff_t stride)
52 {
53  LOCAL_ALIGNED(16, int16_t, b2, [64]);
54  ff_cavs_idct8_sse2(b2, block);
55  ff_add_pixels_clamped_sse2(b2, dst, stride);
56 }
57 
58 #endif /* HAVE_MMX_EXTERNAL */
59 
60 #if (HAVE_MMXEXT_INLINE || HAVE_AMD3DNOW_INLINE)
61 
62 /*****************************************************************************
63  *
64  * motion compensation
65  *
66  ****************************************************************************/
67 
68 /* vertical filter [-1 -2 96 42 -7 0] */
69 #define QPEL_CAVSV1(A,B,C,D,E,F,OP,ADD, MUL1, MUL2) \
70  "movd (%0), "#F" \n\t"\
71  "movq "#C", %%mm6 \n\t"\
72  "pmullw "MANGLE(MUL1)", %%mm6\n\t"\
73  "movq "#D", %%mm7 \n\t"\
74  "pmullw "MANGLE(MUL2)", %%mm7\n\t"\
75  "psllw $3, "#E" \n\t"\
76  "psubw "#E", %%mm6 \n\t"\
77  "psraw $3, "#E" \n\t"\
78  "paddw %%mm7, %%mm6 \n\t"\
79  "paddw "#E", %%mm6 \n\t"\
80  "paddw "#B", "#B" \n\t"\
81  "pxor %%mm7, %%mm7 \n\t"\
82  "add %2, %0 \n\t"\
83  "punpcklbw %%mm7, "#F" \n\t"\
84  "psubw "#B", %%mm6 \n\t"\
85  "psraw $1, "#B" \n\t"\
86  "psubw "#A", %%mm6 \n\t"\
87  "paddw "MANGLE(ADD)", %%mm6 \n\t"\
88  "psraw $7, %%mm6 \n\t"\
89  "packuswb %%mm6, %%mm6 \n\t"\
90  OP(%%mm6, (%1), A, d) \
91  "add %3, %1 \n\t"
92 
93 /* vertical filter [ 0 -1 5 5 -1 0] */
94 #define QPEL_CAVSV2(A,B,C,D,E,F,OP,ADD, MUL1, MUL2) \
95  "movd (%0), "#F" \n\t"\
96  "movq "#C", %%mm6 \n\t"\
97  "paddw "#D", %%mm6 \n\t"\
98  "pmullw "MANGLE(MUL1)", %%mm6\n\t"\
99  "add %2, %0 \n\t"\
100  "punpcklbw %%mm7, "#F" \n\t"\
101  "psubw "#B", %%mm6 \n\t"\
102  "psubw "#E", %%mm6 \n\t"\
103  "paddw "MANGLE(ADD)", %%mm6 \n\t"\
104  "psraw $3, %%mm6 \n\t"\
105  "packuswb %%mm6, %%mm6 \n\t"\
106  OP(%%mm6, (%1), A, d) \
107  "add %3, %1 \n\t"
108 
109 /* vertical filter [ 0 -7 42 96 -2 -1] */
110 #define QPEL_CAVSV3(A,B,C,D,E,F,OP,ADD, MUL1, MUL2) \
111  "movd (%0), "#F" \n\t"\
112  "movq "#C", %%mm6 \n\t"\
113  "pmullw "MANGLE(MUL2)", %%mm6\n\t"\
114  "movq "#D", %%mm7 \n\t"\
115  "pmullw "MANGLE(MUL1)", %%mm7\n\t"\
116  "psllw $3, "#B" \n\t"\
117  "psubw "#B", %%mm6 \n\t"\
118  "psraw $3, "#B" \n\t"\
119  "paddw %%mm7, %%mm6 \n\t"\
120  "paddw "#B", %%mm6 \n\t"\
121  "paddw "#E", "#E" \n\t"\
122  "pxor %%mm7, %%mm7 \n\t"\
123  "add %2, %0 \n\t"\
124  "punpcklbw %%mm7, "#F" \n\t"\
125  "psubw "#E", %%mm6 \n\t"\
126  "psraw $1, "#E" \n\t"\
127  "psubw "#F", %%mm6 \n\t"\
128  "paddw "MANGLE(ADD)", %%mm6 \n\t"\
129  "psraw $7, %%mm6 \n\t"\
130  "packuswb %%mm6, %%mm6 \n\t"\
131  OP(%%mm6, (%1), A, d) \
132  "add %3, %1 \n\t"
133 
134 
135 #define QPEL_CAVSVNUM(VOP,OP,ADD,MUL1,MUL2)\
136  int w= 2;\
137  src -= 2*srcStride;\
138  \
139  while(w--){\
140  __asm__ volatile(\
141  "pxor %%mm7, %%mm7 \n\t"\
142  "movd (%0), %%mm0 \n\t"\
143  "add %2, %0 \n\t"\
144  "movd (%0), %%mm1 \n\t"\
145  "add %2, %0 \n\t"\
146  "movd (%0), %%mm2 \n\t"\
147  "add %2, %0 \n\t"\
148  "movd (%0), %%mm3 \n\t"\
149  "add %2, %0 \n\t"\
150  "movd (%0), %%mm4 \n\t"\
151  "add %2, %0 \n\t"\
152  "punpcklbw %%mm7, %%mm0 \n\t"\
153  "punpcklbw %%mm7, %%mm1 \n\t"\
154  "punpcklbw %%mm7, %%mm2 \n\t"\
155  "punpcklbw %%mm7, %%mm3 \n\t"\
156  "punpcklbw %%mm7, %%mm4 \n\t"\
157  VOP(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, OP, ADD, MUL1, MUL2)\
158  VOP(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP, ADD, MUL1, MUL2)\
159  VOP(%%mm2, %%mm3, %%mm4, %%mm5, %%mm0, %%mm1, OP, ADD, MUL1, MUL2)\
160  VOP(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP, ADD, MUL1, MUL2)\
161  VOP(%%mm4, %%mm5, %%mm0, %%mm1, %%mm2, %%mm3, OP, ADD, MUL1, MUL2)\
162  VOP(%%mm5, %%mm0, %%mm1, %%mm2, %%mm3, %%mm4, OP, ADD, MUL1, MUL2)\
163  VOP(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, OP, ADD, MUL1, MUL2)\
164  VOP(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP, ADD, MUL1, MUL2)\
165  \
166  : "+a"(src), "+c"(dst)\
167  : "S"((x86_reg)srcStride), "r"((x86_reg)dstStride)\
168  NAMED_CONSTRAINTS_ADD(ADD,MUL1,MUL2)\
169  : "memory"\
170  );\
171  if(h==16){\
172  __asm__ volatile(\
173  VOP(%%mm2, %%mm3, %%mm4, %%mm5, %%mm0, %%mm1, OP, ADD, MUL1, MUL2)\
174  VOP(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP, ADD, MUL1, MUL2)\
175  VOP(%%mm4, %%mm5, %%mm0, %%mm1, %%mm2, %%mm3, OP, ADD, MUL1, MUL2)\
176  VOP(%%mm5, %%mm0, %%mm1, %%mm2, %%mm3, %%mm4, OP, ADD, MUL1, MUL2)\
177  VOP(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, OP, ADD, MUL1, MUL2)\
178  VOP(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP, ADD, MUL1, MUL2)\
179  VOP(%%mm2, %%mm3, %%mm4, %%mm5, %%mm0, %%mm1, OP, ADD, MUL1, MUL2)\
180  VOP(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP, ADD, MUL1, MUL2)\
181  \
182  : "+a"(src), "+c"(dst)\
183  : "S"((x86_reg)srcStride), "r"((x86_reg)dstStride)\
184  NAMED_CONSTRAINTS_ADD(ADD,MUL1,MUL2)\
185  : "memory"\
186  );\
187  }\
188  src += 4-(h+5)*srcStride;\
189  dst += 4-h*dstStride;\
190  }
191 
192 #define QPEL_CAVS(OPNAME, OP, MMX)\
193 static void OPNAME ## cavs_qpel8_h_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
194 {\
195  int h=8;\
196  __asm__ volatile(\
197  "pxor %%mm7, %%mm7 \n\t"\
198  "movq "MANGLE(ff_pw_5)", %%mm6\n\t"\
199  "1: \n\t"\
200  "movq (%0), %%mm0 \n\t"\
201  "movq 1(%0), %%mm2 \n\t"\
202  "movq %%mm0, %%mm1 \n\t"\
203  "movq %%mm2, %%mm3 \n\t"\
204  "punpcklbw %%mm7, %%mm0 \n\t"\
205  "punpckhbw %%mm7, %%mm1 \n\t"\
206  "punpcklbw %%mm7, %%mm2 \n\t"\
207  "punpckhbw %%mm7, %%mm3 \n\t"\
208  "paddw %%mm2, %%mm0 \n\t"\
209  "paddw %%mm3, %%mm1 \n\t"\
210  "pmullw %%mm6, %%mm0 \n\t"\
211  "pmullw %%mm6, %%mm1 \n\t"\
212  "movq -1(%0), %%mm2 \n\t"\
213  "movq 2(%0), %%mm4 \n\t"\
214  "movq %%mm2, %%mm3 \n\t"\
215  "movq %%mm4, %%mm5 \n\t"\
216  "punpcklbw %%mm7, %%mm2 \n\t"\
217  "punpckhbw %%mm7, %%mm3 \n\t"\
218  "punpcklbw %%mm7, %%mm4 \n\t"\
219  "punpckhbw %%mm7, %%mm5 \n\t"\
220  "paddw %%mm4, %%mm2 \n\t"\
221  "paddw %%mm3, %%mm5 \n\t"\
222  "psubw %%mm2, %%mm0 \n\t"\
223  "psubw %%mm5, %%mm1 \n\t"\
224  "movq "MANGLE(ff_pw_4)", %%mm5\n\t"\
225  "paddw %%mm5, %%mm0 \n\t"\
226  "paddw %%mm5, %%mm1 \n\t"\
227  "psraw $3, %%mm0 \n\t"\
228  "psraw $3, %%mm1 \n\t"\
229  "packuswb %%mm1, %%mm0 \n\t"\
230  OP(%%mm0, (%1),%%mm5, q) \
231  "add %3, %0 \n\t"\
232  "add %4, %1 \n\t"\
233  "decl %2 \n\t"\
234  " jnz 1b \n\t"\
235  : "+a"(src), "+c"(dst), "+m"(h)\
236  : "d"((x86_reg)srcStride), "S"((x86_reg)dstStride)\
237  NAMED_CONSTRAINTS_ADD(ff_pw_4,ff_pw_5)\
238  : "memory"\
239  );\
240 }\
241 \
242 static inline void OPNAME ## cavs_qpel8or16_v1_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)\
243 { \
244  QPEL_CAVSVNUM(QPEL_CAVSV1,OP,ff_pw_64,ff_pw_96,ff_pw_42) \
245 }\
246 \
247 static inline void OPNAME ## cavs_qpel8or16_v2_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)\
248 { \
249  QPEL_CAVSVNUM(QPEL_CAVSV2,OP,ff_pw_4,ff_pw_5,ff_pw_42) \
250 }\
251 \
252 static inline void OPNAME ## cavs_qpel8or16_v3_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)\
253 { \
254  QPEL_CAVSVNUM(QPEL_CAVSV3,OP,ff_pw_64,ff_pw_96,ff_pw_42) \
255 }\
256 \
257 static void OPNAME ## cavs_qpel8_v1_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
258 { \
259  OPNAME ## cavs_qpel8or16_v1_ ## MMX(dst , src , dstStride, srcStride, 8);\
260 }\
261 static void OPNAME ## cavs_qpel16_v1_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
262 { \
263  OPNAME ## cavs_qpel8or16_v1_ ## MMX(dst , src , dstStride, srcStride, 16);\
264  OPNAME ## cavs_qpel8or16_v1_ ## MMX(dst+8, src+8, dstStride, srcStride, 16);\
265 }\
266 \
267 static void OPNAME ## cavs_qpel8_v2_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
268 { \
269  OPNAME ## cavs_qpel8or16_v2_ ## MMX(dst , src , dstStride, srcStride, 8);\
270 }\
271 static void OPNAME ## cavs_qpel16_v2_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
272 { \
273  OPNAME ## cavs_qpel8or16_v2_ ## MMX(dst , src , dstStride, srcStride, 16);\
274  OPNAME ## cavs_qpel8or16_v2_ ## MMX(dst+8, src+8, dstStride, srcStride, 16);\
275 }\
276 \
277 static void OPNAME ## cavs_qpel8_v3_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
278 { \
279  OPNAME ## cavs_qpel8or16_v3_ ## MMX(dst , src , dstStride, srcStride, 8);\
280 }\
281 static void OPNAME ## cavs_qpel16_v3_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
282 { \
283  OPNAME ## cavs_qpel8or16_v3_ ## MMX(dst , src , dstStride, srcStride, 16);\
284  OPNAME ## cavs_qpel8or16_v3_ ## MMX(dst+8, src+8, dstStride, srcStride, 16);\
285 }\
286 \
287 static void OPNAME ## cavs_qpel16_h_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
288 { \
289  OPNAME ## cavs_qpel8_h_ ## MMX(dst , src , dstStride, srcStride);\
290  OPNAME ## cavs_qpel8_h_ ## MMX(dst+8, src+8, dstStride, srcStride);\
291  src += 8*srcStride;\
292  dst += 8*dstStride;\
293  OPNAME ## cavs_qpel8_h_ ## MMX(dst , src , dstStride, srcStride);\
294  OPNAME ## cavs_qpel8_h_ ## MMX(dst+8, src+8, dstStride, srcStride);\
295 }\
296 
297 #define CAVS_MC(OPNAME, SIZE, MMX) \
298 static void OPNAME ## cavs_qpel ## SIZE ## _mc20_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
299 {\
300  OPNAME ## cavs_qpel ## SIZE ## _h_ ## MMX(dst, src, stride, stride);\
301 }\
302 \
303 static void OPNAME ## cavs_qpel ## SIZE ## _mc01_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
304 {\
305  OPNAME ## cavs_qpel ## SIZE ## _v1_ ## MMX(dst, src, stride, stride);\
306 }\
307 \
308 static void OPNAME ## cavs_qpel ## SIZE ## _mc02_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
309 {\
310  OPNAME ## cavs_qpel ## SIZE ## _v2_ ## MMX(dst, src, stride, stride);\
311 }\
312 \
313 static void OPNAME ## cavs_qpel ## SIZE ## _mc03_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
314 {\
315  OPNAME ## cavs_qpel ## SIZE ## _v3_ ## MMX(dst, src, stride, stride);\
316 }\
317 
318 #define PUT_OP(a,b,temp, size) "mov" #size " " #a ", " #b " \n\t"
319 #define AVG_3DNOW_OP(a,b,temp, size) \
320 "mov" #size " " #b ", " #temp " \n\t"\
321 "pavgusb " #temp ", " #a " \n\t"\
322 "mov" #size " " #a ", " #b " \n\t"
323 #define AVG_MMXEXT_OP(a, b, temp, size) \
324 "mov" #size " " #b ", " #temp " \n\t"\
325 "pavgb " #temp ", " #a " \n\t"\
326 "mov" #size " " #a ", " #b " \n\t"
327 
328 #endif /* (HAVE_MMXEXT_INLINE || HAVE_AMD3DNOW_INLINE) */
329 
330 #if HAVE_MMX_EXTERNAL
331 static void put_cavs_qpel8_mc00_mmx(uint8_t *dst, const uint8_t *src,
332  ptrdiff_t stride)
333 {
334  ff_put_pixels8_mmx(dst, src, stride, 8);
335 }
336 
337 static void avg_cavs_qpel8_mc00_mmx(uint8_t *dst, const uint8_t *src,
338  ptrdiff_t stride)
339 {
340  ff_avg_pixels8_mmx(dst, src, stride, 8);
341 }
342 
343 static void avg_cavs_qpel8_mc00_mmxext(uint8_t *dst, const uint8_t *src,
344  ptrdiff_t stride)
345 {
346  ff_avg_pixels8_mmxext(dst, src, stride, 8);
347 }
348 
349 static void put_cavs_qpel16_mc00_mmx(uint8_t *dst, const uint8_t *src,
350  ptrdiff_t stride)
351 {
352  ff_put_pixels16_mmx(dst, src, stride, 16);
353 }
354 
355 static void avg_cavs_qpel16_mc00_mmx(uint8_t *dst, const uint8_t *src,
356  ptrdiff_t stride)
357 {
358  ff_avg_pixels16_mmx(dst, src, stride, 16);
359 }
360 
361 static void avg_cavs_qpel16_mc00_mmxext(uint8_t *dst, const uint8_t *src,
362  ptrdiff_t stride)
363 {
364  ff_avg_pixels16_mmxext(dst, src, stride, 16);
365 }
366 
367 static void put_cavs_qpel16_mc00_sse2(uint8_t *dst, const uint8_t *src,
368  ptrdiff_t stride)
369 {
370  ff_put_pixels16_sse2(dst, src, stride, 16);
371 }
372 
373 static void avg_cavs_qpel16_mc00_sse2(uint8_t *dst, const uint8_t *src,
374  ptrdiff_t stride)
375 {
376  ff_avg_pixels16_sse2(dst, src, stride, 16);
377 }
378 #endif
379 
380 static av_cold void cavsdsp_init_mmx(CAVSDSPContext *c,
381  AVCodecContext *avctx)
382 {
383 #if HAVE_MMX_EXTERNAL
384  c->put_cavs_qpel_pixels_tab[0][0] = put_cavs_qpel16_mc00_mmx;
385  c->put_cavs_qpel_pixels_tab[1][0] = put_cavs_qpel8_mc00_mmx;
386  c->avg_cavs_qpel_pixels_tab[0][0] = avg_cavs_qpel16_mc00_mmx;
387  c->avg_cavs_qpel_pixels_tab[1][0] = avg_cavs_qpel8_mc00_mmx;
388 
389  c->cavs_idct8_add = cavs_idct8_add_mmx;
390  c->idct_perm = FF_IDCT_PERM_TRANSPOSE;
391 #endif /* HAVE_MMX_EXTERNAL */
392 }
393 
394 #define DSPFUNC(PFX, IDX, NUM, EXT) \
395  c->PFX ## _cavs_qpel_pixels_tab[IDX][ 2] = PFX ## _cavs_qpel ## NUM ## _mc20_ ## EXT; \
396  c->PFX ## _cavs_qpel_pixels_tab[IDX][ 4] = PFX ## _cavs_qpel ## NUM ## _mc01_ ## EXT; \
397  c->PFX ## _cavs_qpel_pixels_tab[IDX][ 8] = PFX ## _cavs_qpel ## NUM ## _mc02_ ## EXT; \
398  c->PFX ## _cavs_qpel_pixels_tab[IDX][12] = PFX ## _cavs_qpel ## NUM ## _mc03_ ## EXT; \
399 
400 #if HAVE_MMXEXT_INLINE
401 QPEL_CAVS(put_, PUT_OP, mmxext)
402 QPEL_CAVS(avg_, AVG_MMXEXT_OP, mmxext)
403 
404 CAVS_MC(put_, 8, mmxext)
405 CAVS_MC(put_, 16, mmxext)
406 CAVS_MC(avg_, 8, mmxext)
407 CAVS_MC(avg_, 16, mmxext)
408 #endif /* HAVE_MMXEXT_INLINE */
409 
410 #if HAVE_AMD3DNOW_INLINE
411 QPEL_CAVS(put_, PUT_OP, 3dnow)
412 QPEL_CAVS(avg_, AVG_3DNOW_OP, 3dnow)
413 
414 CAVS_MC(put_, 8, 3dnow)
415 CAVS_MC(put_, 16,3dnow)
416 CAVS_MC(avg_, 8, 3dnow)
417 CAVS_MC(avg_, 16,3dnow)
418 
419 static av_cold void cavsdsp_init_3dnow(CAVSDSPContext *c,
420  AVCodecContext *avctx)
421 {
422  DSPFUNC(put, 0, 16, 3dnow);
423  DSPFUNC(put, 1, 8, 3dnow);
424  DSPFUNC(avg, 0, 16, 3dnow);
425  DSPFUNC(avg, 1, 8, 3dnow);
426 }
427 #endif /* HAVE_AMD3DNOW_INLINE */
428 
429 av_cold void ff_cavsdsp_init_x86(CAVSDSPContext *c, AVCodecContext *avctx)
430 {
431  av_unused int cpu_flags = av_get_cpu_flags();
432 
433  if (X86_MMX(cpu_flags))
434  cavsdsp_init_mmx(c, avctx);
435 
436 #if HAVE_AMD3DNOW_INLINE
437  if (INLINE_AMD3DNOW(cpu_flags))
438  cavsdsp_init_3dnow(c, avctx);
439 #endif /* HAVE_AMD3DNOW_INLINE */
440 #if HAVE_MMXEXT_INLINE
441  if (INLINE_MMXEXT(cpu_flags)) {
442  DSPFUNC(put, 0, 16, mmxext);
443  DSPFUNC(put, 1, 8, mmxext);
444  DSPFUNC(avg, 0, 16, mmxext);
445  DSPFUNC(avg, 1, 8, mmxext);
446  }
447 #endif
448 #if HAVE_MMX_EXTERNAL
449  if (EXTERNAL_MMXEXT(cpu_flags)) {
450  c->avg_cavs_qpel_pixels_tab[0][0] = avg_cavs_qpel16_mc00_mmxext;
451  c->avg_cavs_qpel_pixels_tab[1][0] = avg_cavs_qpel8_mc00_mmxext;
452  }
453 #endif
454 #if HAVE_SSE2_EXTERNAL
455  if (EXTERNAL_SSE2(cpu_flags)) {
456  c->put_cavs_qpel_pixels_tab[0][0] = put_cavs_qpel16_mc00_sse2;
457  c->avg_cavs_qpel_pixels_tab[0][0] = avg_cavs_qpel16_mc00_sse2;
458 
459  c->cavs_idct8_add = cavs_idct8_add_sse2;
460  c->idct_perm = FF_IDCT_PERM_TRANSPOSE;
461  }
462 #endif
463 }
ff_put_pixels8_mmx
void ff_put_pixels8_mmx(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
ff_avg_pixels16_sse2
void ff_avg_pixels16_sse2(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
ff_add_pixels_clamped_mmx
void ff_add_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels, ptrdiff_t line_size)
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:50
src
#define src
Definition: vp8dsp.c:254
stride
int stride
Definition: mace.c:144
attributes.h
Macro definitions for various function/variable attributes.
block
static int16_t block[64]
Definition: dct.c:115
DSPFUNC
#define DSPFUNC(PFX, IDX, NUM, EXT)
Definition: cavsdsp.c:394
CAVSDSPContext::cavs_idct8_add
void(* cavs_idct8_add)(uint8_t *dst, int16_t *block, ptrdiff_t stride)
Definition: cavsdsp.h:37
uint8_t
uint8_t
Definition: audio_convert.c:194
av_cold
#define av_cold
Definition: attributes.h:82
ff_add_pixels_clamped_sse2
void ff_add_pixels_clamped_sse2(const int16_t *block, uint8_t *pixels, ptrdiff_t line_size)
ff_avg_pixels16_mmxext
void ff_avg_pixels16_mmxext(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
X86_MMX
#define X86_MMX(flags)
Definition: cpu.h:30
CAVSDSPContext::put_cavs_qpel_pixels_tab
qpel_mc_func put_cavs_qpel_pixels_tab[2][16]
Definition: cavsdsp.h:31
CAVS_MC
#define CAVS_MC(OPNAME, SIZE)
Definition: cavsdsp.c:439
INLINE_AMD3DNOW
#define INLINE_AMD3DNOW(flags)
Definition: cpu.h:84
AVCodecContext
main external API structure.
Definition: avcodec.h:1518
in
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
Definition: audio_convert.c:194
CAVSDSPContext::idct_perm
int idct_perm
Definition: cavsdsp.h:38
cavsdsp_init_mmx
static av_cold void cavsdsp_init_mmx(CAVSDSPContext *c, AVCodecContext *avctx)
Definition: cavsdsp.c:380
CAVSDSPContext::avg_cavs_qpel_pixels_tab
qpel_mc_func avg_cavs_qpel_pixels_tab[2][16]
Definition: cavsdsp.h:32
ff_cavsdsp_init_x86
av_cold void ff_cavsdsp_init_x86(CAVSDSPContext *c, AVCodecContext *avctx)
Definition: cavsdsp.c:429
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
ff_avg_pixels8_mmxext
void ff_avg_pixels8_mmxext(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
EXTERNAL_MMXEXT
#define EXTERNAL_MMXEXT(flags)
Definition: cpu.h:57
avg
#define avg(a, b, c, d)
Definition: colorspacedsp_template.c:28
INLINE_MMXEXT
#define INLINE_MMXEXT(flags)
Definition: cpu.h:87
ff_avg_pixels8_mmx
void ff_avg_pixels8_mmx(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
common.h
common internal and external API header
ff_avg_pixels16_mmx
void ff_avg_pixels16_mmx(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
LOCAL_ALIGNED
#define LOCAL_ALIGNED(a, t, v,...)
Definition: internal.h:114
c
static double c[64]
Definition: vsrc_mptestsrc.c:87
ff_put_pixels16_sse2
void ff_put_pixels16_sse2(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
out
FILE * out
Definition: movenc.c:54
ff_put_pixels16_mmx
void ff_put_pixels16_mmx(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
av_unused
#define av_unused
Definition: attributes.h:125
Generated on Tue May 22 2018 07:06:29 for FFmpeg by   doxygen 1.8.13