FFmpeg
vc1dsp_mmx.c
Go to the documentation of this file.
1 /*
2  * VC-1 and WMV3 - DSP functions MMX-optimized
3  * Copyright (c) 2007 Christophe GISQUET <christophe.gisquet@free.fr>
4  *
5  * Permission is hereby granted, free of charge, to any person
6  * obtaining a copy of this software and associated documentation
7  * files (the "Software"), to deal in the Software without
8  * restriction, including without limitation the rights to use,
9  * copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following
12  * conditions:
13  *
14  * The above copyright notice and this permission notice shall be
15  * included in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
19  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
21  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
22  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24  * OTHER DEALINGS IN THE SOFTWARE.
25  */
26 
27 #include "libavutil/attributes.h"
28 #include "libavutil/mem_internal.h"
29 #include "libavutil/x86/asm.h"
30 #include "libavutil/x86/cpu.h"
31 #include "libavcodec/vc1dsp.h"
32 #include "constants.h"
33 #include "fpel.h"
34 #include "vc1dsp.h"
35 
36 #if HAVE_6REGS && HAVE_INLINE_ASM && HAVE_MMX_EXTERNAL
37 
38 void ff_vc1_put_ver_16b_shift2_mmx(int16_t *dst,
39  const uint8_t *src, x86_reg stride,
40  int rnd, int64_t shift);
41 void ff_vc1_put_hor_16b_shift2_mmx(uint8_t *dst, x86_reg stride,
42  const int16_t *src, int rnd);
43 void ff_vc1_avg_hor_16b_shift2_mmxext(uint8_t *dst, x86_reg stride,
44  const int16_t *src, int rnd);
45 
46 #define OP_PUT(S,D)
47 #define OP_AVG(S,D) "pavgb " #S ", " #D " \n\t"
48 
49 /** Add rounder from mm7 to mm3 and pack result at destination */
50 #define NORMALIZE_MMX(SHIFT) \
51  "paddw %%mm7, %%mm3 \n\t" /* +bias-r */ \
52  "paddw %%mm7, %%mm4 \n\t" /* +bias-r */ \
53  "psraw "SHIFT", %%mm3 \n\t" \
54  "psraw "SHIFT", %%mm4 \n\t"
55 
56 #define TRANSFER_DO_PACK(OP) \
57  "packuswb %%mm4, %%mm3 \n\t" \
58  OP((%2), %%mm3) \
59  "movq %%mm3, (%2) \n\t"
60 
61 #define TRANSFER_DONT_PACK(OP) \
62  OP(0(%2), %%mm3) \
63  OP(8(%2), %%mm4) \
64  "movq %%mm3, 0(%2) \n\t" \
65  "movq %%mm4, 8(%2) \n\t"
66 
67 /** @see MSPEL_FILTER13_CORE for use as UNPACK macro */
68 #define DO_UNPACK(reg) "punpcklbw %%mm0, " reg "\n\t"
69 #define DONT_UNPACK(reg)
70 
71 /** Compute the rounder 32-r or 8-r and unpacks it to mm7 */
72 #define LOAD_ROUNDER_MMX(ROUND) \
73  "movd "ROUND", %%mm7 \n\t" \
74  "punpcklwd %%mm7, %%mm7 \n\t" \
75  "punpckldq %%mm7, %%mm7 \n\t"
76 
77 /**
78  * Purely vertical or horizontal 1/2 shift interpolation.
79  * Sacrifice mm6 for *9 factor.
80  */
81 #define VC1_SHIFT2(OP, OPNAME)\
82 static void OPNAME ## vc1_shift2_mmx(uint8_t *dst, const uint8_t *src,\
83  x86_reg stride, int rnd, x86_reg offset)\
84 {\
85  rnd = 8-rnd;\
86  __asm__ volatile(\
87  "mov $8, %%"FF_REG_c" \n\t"\
88  LOAD_ROUNDER_MMX("%5")\
89  "movq "MANGLE(ff_pw_9)", %%mm6\n\t"\
90  "1: \n\t"\
91  "movd 0(%0 ), %%mm3 \n\t"\
92  "movd 4(%0 ), %%mm4 \n\t"\
93  "movd 0(%0,%2), %%mm1 \n\t"\
94  "movd 4(%0,%2), %%mm2 \n\t"\
95  "add %2, %0 \n\t"\
96  "punpcklbw %%mm0, %%mm3 \n\t"\
97  "punpcklbw %%mm0, %%mm4 \n\t"\
98  "punpcklbw %%mm0, %%mm1 \n\t"\
99  "punpcklbw %%mm0, %%mm2 \n\t"\
100  "paddw %%mm1, %%mm3 \n\t"\
101  "paddw %%mm2, %%mm4 \n\t"\
102  "movd 0(%0,%3), %%mm1 \n\t"\
103  "movd 4(%0,%3), %%mm2 \n\t"\
104  "pmullw %%mm6, %%mm3 \n\t" /* 0,9,9,0*/\
105  "pmullw %%mm6, %%mm4 \n\t" /* 0,9,9,0*/\
106  "punpcklbw %%mm0, %%mm1 \n\t"\
107  "punpcklbw %%mm0, %%mm2 \n\t"\
108  "psubw %%mm1, %%mm3 \n\t" /*-1,9,9,0*/\
109  "psubw %%mm2, %%mm4 \n\t" /*-1,9,9,0*/\
110  "movd 0(%0,%2), %%mm1 \n\t"\
111  "movd 4(%0,%2), %%mm2 \n\t"\
112  "punpcklbw %%mm0, %%mm1 \n\t"\
113  "punpcklbw %%mm0, %%mm2 \n\t"\
114  "psubw %%mm1, %%mm3 \n\t" /*-1,9,9,-1*/\
115  "psubw %%mm2, %%mm4 \n\t" /*-1,9,9,-1*/\
116  NORMALIZE_MMX("$4")\
117  "packuswb %%mm4, %%mm3 \n\t"\
118  OP((%1), %%mm3)\
119  "movq %%mm3, (%1) \n\t"\
120  "add %6, %0 \n\t"\
121  "add %4, %1 \n\t"\
122  "dec %%"FF_REG_c" \n\t"\
123  "jnz 1b \n\t"\
124  : "+r"(src), "+r"(dst)\
125  : "r"(offset), "r"(-2*offset), "g"(stride), "m"(rnd),\
126  "g"(stride-offset)\
127  NAMED_CONSTRAINTS_ADD(ff_pw_9)\
128  : "%"FF_REG_c, "memory"\
129  );\
130 }
131 
132 VC1_SHIFT2(OP_PUT, put_)
133 VC1_SHIFT2(OP_AVG, avg_)
134 
135 /**
136  * Core of the 1/4 and 3/4 shift bicubic interpolation.
137  *
138  * @param UNPACK Macro unpacking arguments from 8 to 16 bits (can be empty).
139  * @param MOVQ "movd 1" or "movq 2", if data read is already unpacked.
140  * @param A1 Address of 1st tap (beware of unpacked/packed).
141  * @param A2 Address of 2nd tap
142  * @param A3 Address of 3rd tap
143  * @param A4 Address of 4th tap
144  */
145 #define MSPEL_FILTER13_CORE(UNPACK, MOVQ, A1, A2, A3, A4) \
146  MOVQ "*0+"A1", %%mm1 \n\t" \
147  MOVQ "*4+"A1", %%mm2 \n\t" \
148  UNPACK("%%mm1") \
149  UNPACK("%%mm2") \
150  "pmullw "MANGLE(ff_pw_3)", %%mm1\n\t" \
151  "pmullw "MANGLE(ff_pw_3)", %%mm2\n\t" \
152  MOVQ "*0+"A2", %%mm3 \n\t" \
153  MOVQ "*4+"A2", %%mm4 \n\t" \
154  UNPACK("%%mm3") \
155  UNPACK("%%mm4") \
156  "pmullw %%mm6, %%mm3 \n\t" /* *18 */ \
157  "pmullw %%mm6, %%mm4 \n\t" /* *18 */ \
158  "psubw %%mm1, %%mm3 \n\t" /* 18,-3 */ \
159  "psubw %%mm2, %%mm4 \n\t" /* 18,-3 */ \
160  MOVQ "*0+"A4", %%mm1 \n\t" \
161  MOVQ "*4+"A4", %%mm2 \n\t" \
162  UNPACK("%%mm1") \
163  UNPACK("%%mm2") \
164  "psllw $2, %%mm1 \n\t" /* 4* */ \
165  "psllw $2, %%mm2 \n\t" /* 4* */ \
166  "psubw %%mm1, %%mm3 \n\t" /* -4,18,-3 */ \
167  "psubw %%mm2, %%mm4 \n\t" /* -4,18,-3 */ \
168  MOVQ "*0+"A3", %%mm1 \n\t" \
169  MOVQ "*4+"A3", %%mm2 \n\t" \
170  UNPACK("%%mm1") \
171  UNPACK("%%mm2") \
172  "pmullw %%mm5, %%mm1 \n\t" /* *53 */ \
173  "pmullw %%mm5, %%mm2 \n\t" /* *53 */ \
174  "paddw %%mm1, %%mm3 \n\t" /* 4,53,18,-3 */ \
175  "paddw %%mm2, %%mm4 \n\t" /* 4,53,18,-3 */
176 
177 /**
178  * Macro to build the vertical 16 bits version of vc1_put_shift[13].
179  * Here, offset=src_stride. Parameters passed A1 to A4 must use
180  * %3 (src_stride) and %4 (3*src_stride).
181  *
182  * @param NAME Either 1 or 3
183  * @see MSPEL_FILTER13_CORE for information on A1->A4
184  */
185 #define MSPEL_FILTER13_VER_16B(NAME, A1, A2, A3, A4) \
186 static void \
187 vc1_put_ver_16b_ ## NAME ## _mmx(int16_t *dst, const uint8_t *src, \
188  x86_reg src_stride, \
189  int rnd, int64_t shift) \
190 { \
191  int h = 8; \
192  src -= src_stride; \
193  __asm__ volatile( \
194  LOAD_ROUNDER_MMX("%5") \
195  "movq "MANGLE(ff_pw_53)", %%mm5\n\t" \
196  "movq "MANGLE(ff_pw_18)", %%mm6\n\t" \
197  ".p2align 3 \n\t" \
198  "1: \n\t" \
199  MSPEL_FILTER13_CORE(DO_UNPACK, "movd 1", A1, A2, A3, A4) \
200  NORMALIZE_MMX("%6") \
201  TRANSFER_DONT_PACK(OP_PUT) \
202  /* Last 3 (in fact 4) bytes on the line */ \
203  "movd 8+"A1", %%mm1 \n\t" \
204  DO_UNPACK("%%mm1") \
205  "movq %%mm1, %%mm3 \n\t" \
206  "paddw %%mm1, %%mm1 \n\t" \
207  "paddw %%mm3, %%mm1 \n\t" /* 3* */ \
208  "movd 8+"A2", %%mm3 \n\t" \
209  DO_UNPACK("%%mm3") \
210  "pmullw %%mm6, %%mm3 \n\t" /* *18 */ \
211  "psubw %%mm1, %%mm3 \n\t" /*18,-3 */ \
212  "movd 8+"A3", %%mm1 \n\t" \
213  DO_UNPACK("%%mm1") \
214  "pmullw %%mm5, %%mm1 \n\t" /* *53 */ \
215  "paddw %%mm1, %%mm3 \n\t" /*53,18,-3 */ \
216  "movd 8+"A4", %%mm1 \n\t" \
217  DO_UNPACK("%%mm1") \
218  "psllw $2, %%mm1 \n\t" /* 4* */ \
219  "psubw %%mm1, %%mm3 \n\t" \
220  "paddw %%mm7, %%mm3 \n\t" \
221  "psraw %6, %%mm3 \n\t" \
222  "movq %%mm3, 16(%2) \n\t" \
223  "add %3, %1 \n\t" \
224  "add $24, %2 \n\t" \
225  "decl %0 \n\t" \
226  "jnz 1b \n\t" \
227  : "+r"(h), "+r" (src), "+r" (dst) \
228  : "r"(src_stride), "r"(3*src_stride), \
229  "m"(rnd), "m"(shift) \
230  NAMED_CONSTRAINTS_ADD(ff_pw_3,ff_pw_53,ff_pw_18) \
231  : "memory" \
232  ); \
233 }
234 
235 /**
236  * Macro to build the horizontal 16 bits version of vc1_put_shift[13].
237  * Here, offset=16 bits, so parameters passed A1 to A4 should be simple.
238  *
239  * @param NAME Either 1 or 3
240  * @see MSPEL_FILTER13_CORE for information on A1->A4
241  */
242 #define MSPEL_FILTER13_HOR_16B(NAME, A1, A2, A3, A4, OP, OPNAME) \
243 static void \
244 OPNAME ## vc1_hor_16b_ ## NAME ## _mmx(uint8_t *dst, x86_reg stride, \
245  const int16_t *src, int rnd) \
246 { \
247  int h = 8; \
248  src -= 1; \
249  rnd -= (-4+58+13-3)*256; /* Add -256 bias */ \
250  __asm__ volatile( \
251  LOAD_ROUNDER_MMX("%4") \
252  "movq "MANGLE(ff_pw_18)", %%mm6 \n\t" \
253  "movq "MANGLE(ff_pw_53)", %%mm5 \n\t" \
254  ".p2align 3 \n\t" \
255  "1: \n\t" \
256  MSPEL_FILTER13_CORE(DONT_UNPACK, "movq 2", A1, A2, A3, A4) \
257  NORMALIZE_MMX("$7") \
258  /* Remove bias */ \
259  "paddw "MANGLE(ff_pw_128)", %%mm3 \n\t" \
260  "paddw "MANGLE(ff_pw_128)", %%mm4 \n\t" \
261  TRANSFER_DO_PACK(OP) \
262  "add $24, %1 \n\t" \
263  "add %3, %2 \n\t" \
264  "decl %0 \n\t" \
265  "jnz 1b \n\t" \
266  : "+r"(h), "+r" (src), "+r" (dst) \
267  : "r"(stride), "m"(rnd) \
268  NAMED_CONSTRAINTS_ADD(ff_pw_3,ff_pw_18,ff_pw_53,ff_pw_128) \
269  : "memory" \
270  ); \
271 }
272 
273 /**
274  * Macro to build the 8 bits, any direction, version of vc1_put_shift[13].
275  * Here, offset=src_stride. Parameters passed A1 to A4 must use
276  * %3 (offset) and %4 (3*offset).
277  *
278  * @param NAME Either 1 or 3
279  * @see MSPEL_FILTER13_CORE for information on A1->A4
280  */
281 #define MSPEL_FILTER13_8B(NAME, A1, A2, A3, A4, OP, OPNAME) \
282 static void \
283 OPNAME ## vc1_## NAME ## _mmx(uint8_t *dst, const uint8_t *src, \
284  x86_reg stride, int rnd, x86_reg offset) \
285 { \
286  int h = 8; \
287  src -= offset; \
288  rnd = 32-rnd; \
289  __asm__ volatile ( \
290  LOAD_ROUNDER_MMX("%6") \
291  "movq "MANGLE(ff_pw_53)", %%mm5 \n\t" \
292  "movq "MANGLE(ff_pw_18)", %%mm6 \n\t" \
293  ".p2align 3 \n\t" \
294  "1: \n\t" \
295  MSPEL_FILTER13_CORE(DO_UNPACK, "movd 1", A1, A2, A3, A4) \
296  NORMALIZE_MMX("$6") \
297  TRANSFER_DO_PACK(OP) \
298  "add %5, %1 \n\t" \
299  "add %5, %2 \n\t" \
300  "decl %0 \n\t" \
301  "jnz 1b \n\t" \
302  : "+r"(h), "+r" (src), "+r" (dst) \
303  : "r"(offset), "r"(3*offset), "g"(stride), "m"(rnd) \
304  NAMED_CONSTRAINTS_ADD(ff_pw_53,ff_pw_18,ff_pw_3) \
305  : "memory" \
306  ); \
307 }
308 
309 /** 1/4 shift bicubic interpolation */
310 MSPEL_FILTER13_8B (shift1, "0(%1,%4 )", "0(%1,%3,2)", "0(%1,%3 )", "0(%1 )", OP_PUT, put_)
311 MSPEL_FILTER13_8B (shift1, "0(%1,%4 )", "0(%1,%3,2)", "0(%1,%3 )", "0(%1 )", OP_AVG, avg_)
312 MSPEL_FILTER13_VER_16B(shift1, "0(%1,%4 )", "0(%1,%3,2)", "0(%1,%3 )", "0(%1 )")
313 MSPEL_FILTER13_HOR_16B(shift1, "2*3(%1)", "2*2(%1)", "2*1(%1)", "2*0(%1)", OP_PUT, put_)
314 MSPEL_FILTER13_HOR_16B(shift1, "2*3(%1)", "2*2(%1)", "2*1(%1)", "2*0(%1)", OP_AVG, avg_)
315 
316 /** 3/4 shift bicubic interpolation */
317 MSPEL_FILTER13_8B (shift3, "0(%1 )", "0(%1,%3 )", "0(%1,%3,2)", "0(%1,%4 )", OP_PUT, put_)
318 MSPEL_FILTER13_8B (shift3, "0(%1 )", "0(%1,%3 )", "0(%1,%3,2)", "0(%1,%4 )", OP_AVG, avg_)
319 MSPEL_FILTER13_VER_16B(shift3, "0(%1 )", "0(%1,%3 )", "0(%1,%3,2)", "0(%1,%4 )")
320 MSPEL_FILTER13_HOR_16B(shift3, "2*0(%1)", "2*1(%1)", "2*2(%1)", "2*3(%1)", OP_PUT, put_)
321 MSPEL_FILTER13_HOR_16B(shift3, "2*0(%1)", "2*1(%1)", "2*2(%1)", "2*3(%1)", OP_AVG, avg_)
322 
323 typedef void (*vc1_mspel_mc_filter_ver_16bits)(int16_t *dst, const uint8_t *src, x86_reg src_stride, int rnd, int64_t shift);
324 typedef void (*vc1_mspel_mc_filter_hor_16bits)(uint8_t *dst, x86_reg dst_stride, const int16_t *src, int rnd);
325 typedef void (*vc1_mspel_mc_filter_8bits)(uint8_t *dst, const uint8_t *src, x86_reg stride, int rnd, x86_reg offset);
326 
327 /**
328  * Interpolate fractional pel values by applying proper vertical then
329  * horizontal filter.
330  *
331  * @param dst Destination buffer for interpolated pels.
332  * @param src Source buffer.
333  * @param stride Stride for both src and dst buffers.
334  * @param hmode Horizontal filter (expressed in quarter pixels shift).
335  * @param hmode Vertical filter.
336  * @param rnd Rounding bias.
337  */
338 #define VC1_MSPEL_MC(OP, INSTR)\
339 static void OP ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride,\
340  int hmode, int vmode, int rnd)\
341 {\
342  static const vc1_mspel_mc_filter_ver_16bits vc1_put_shift_ver_16bits[] =\
343  { NULL, vc1_put_ver_16b_shift1_mmx, ff_vc1_put_ver_16b_shift2_mmx, vc1_put_ver_16b_shift3_mmx };\
344  static const vc1_mspel_mc_filter_hor_16bits vc1_put_shift_hor_16bits[] =\
345  { NULL, OP ## vc1_hor_16b_shift1_mmx, ff_vc1_ ## OP ## hor_16b_shift2_ ## INSTR, OP ## vc1_hor_16b_shift3_mmx };\
346  static const vc1_mspel_mc_filter_8bits vc1_put_shift_8bits[] =\
347  { NULL, OP ## vc1_shift1_mmx, OP ## vc1_shift2_mmx, OP ## vc1_shift3_mmx };\
348 \
349  __asm__ volatile(\
350  "pxor %%mm0, %%mm0 \n\t"\
351  ::: "memory"\
352  );\
353 \
354  if (vmode) { /* Vertical filter to apply */\
355  if (hmode) { /* Horizontal filter to apply, output to tmp */\
356  static const int shift_value[] = { 0, 5, 1, 5 };\
357  int shift = (shift_value[hmode]+shift_value[vmode])>>1;\
358  int r;\
359  LOCAL_ALIGNED(16, int16_t, tmp, [12*8]);\
360 \
361  r = (1<<(shift-1)) + rnd-1;\
362  vc1_put_shift_ver_16bits[vmode](tmp, src-1, stride, r, shift);\
363 \
364  vc1_put_shift_hor_16bits[hmode](dst, stride, tmp+1, 64-rnd);\
365  return;\
366  }\
367  else { /* No horizontal filter, output 8 lines to dst */\
368  vc1_put_shift_8bits[vmode](dst, src, stride, 1-rnd, stride);\
369  return;\
370  }\
371  }\
372 \
373  /* Horizontal mode with no vertical mode */\
374  vc1_put_shift_8bits[hmode](dst, src, stride, rnd, 1);\
375 } \
376 static void OP ## vc1_mspel_mc_16(uint8_t *dst, const uint8_t *src, \
377  int stride, int hmode, int vmode, int rnd)\
378 { \
379  OP ## vc1_mspel_mc(dst + 0, src + 0, stride, hmode, vmode, rnd); \
380  OP ## vc1_mspel_mc(dst + 8, src + 8, stride, hmode, vmode, rnd); \
381  dst += 8*stride; src += 8*stride; \
382  OP ## vc1_mspel_mc(dst + 0, src + 0, stride, hmode, vmode, rnd); \
383  OP ## vc1_mspel_mc(dst + 8, src + 8, stride, hmode, vmode, rnd); \
384 }
385 
386 VC1_MSPEL_MC(put_, mmx)
387 VC1_MSPEL_MC(avg_, mmxext)
388 
389 /** Macro to ease bicubic filter interpolation functions declarations */
390 #define DECLARE_FUNCTION(a, b) \
391 static void put_vc1_mspel_mc ## a ## b ## _mmx(uint8_t *dst, \
392  const uint8_t *src, \
393  ptrdiff_t stride, \
394  int rnd) \
395 { \
396  put_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
397 }\
398 static void avg_vc1_mspel_mc ## a ## b ## _mmxext(uint8_t *dst, \
399  const uint8_t *src, \
400  ptrdiff_t stride, \
401  int rnd) \
402 { \
403  avg_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
404 }\
405 static void put_vc1_mspel_mc ## a ## b ## _16_mmx(uint8_t *dst, \
406  const uint8_t *src, \
407  ptrdiff_t stride, \
408  int rnd) \
409 { \
410  put_vc1_mspel_mc_16(dst, src, stride, a, b, rnd); \
411 }\
412 static void avg_vc1_mspel_mc ## a ## b ## _16_mmxext(uint8_t *dst, \
413  const uint8_t *src,\
414  ptrdiff_t stride, \
415  int rnd) \
416 { \
417  avg_vc1_mspel_mc_16(dst, src, stride, a, b, rnd); \
418 }
419 
420 DECLARE_FUNCTION(0, 1)
421 DECLARE_FUNCTION(0, 2)
422 DECLARE_FUNCTION(0, 3)
423 
424 DECLARE_FUNCTION(1, 0)
425 DECLARE_FUNCTION(1, 1)
426 DECLARE_FUNCTION(1, 2)
427 DECLARE_FUNCTION(1, 3)
428 
429 DECLARE_FUNCTION(2, 0)
430 DECLARE_FUNCTION(2, 1)
431 DECLARE_FUNCTION(2, 2)
432 DECLARE_FUNCTION(2, 3)
433 
434 DECLARE_FUNCTION(3, 0)
435 DECLARE_FUNCTION(3, 1)
436 DECLARE_FUNCTION(3, 2)
437 DECLARE_FUNCTION(3, 3)
438 
439 #define FN_ASSIGN(OP, X, Y, INSN) \
440  dsp->OP##vc1_mspel_pixels_tab[1][X+4*Y] = OP##vc1_mspel_mc##X##Y##INSN; \
441  dsp->OP##vc1_mspel_pixels_tab[0][X+4*Y] = OP##vc1_mspel_mc##X##Y##_16##INSN
442 
443 av_cold void ff_vc1dsp_init_mmx(VC1DSPContext *dsp)
444 {
445  FN_ASSIGN(put_, 0, 1, _mmx);
446  FN_ASSIGN(put_, 0, 2, _mmx);
447  FN_ASSIGN(put_, 0, 3, _mmx);
448 
449  FN_ASSIGN(put_, 1, 0, _mmx);
450  FN_ASSIGN(put_, 1, 1, _mmx);
451  FN_ASSIGN(put_, 1, 2, _mmx);
452  FN_ASSIGN(put_, 1, 3, _mmx);
453 
454  FN_ASSIGN(put_, 2, 0, _mmx);
455  FN_ASSIGN(put_, 2, 1, _mmx);
456  FN_ASSIGN(put_, 2, 2, _mmx);
457  FN_ASSIGN(put_, 2, 3, _mmx);
458 
459  FN_ASSIGN(put_, 3, 0, _mmx);
460  FN_ASSIGN(put_, 3, 1, _mmx);
461  FN_ASSIGN(put_, 3, 2, _mmx);
462  FN_ASSIGN(put_, 3, 3, _mmx);
463 }
464 
465 av_cold void ff_vc1dsp_init_mmxext(VC1DSPContext *dsp)
466 {
467  FN_ASSIGN(avg_, 0, 1, _mmxext);
468  FN_ASSIGN(avg_, 0, 2, _mmxext);
469  FN_ASSIGN(avg_, 0, 3, _mmxext);
470 
471  FN_ASSIGN(avg_, 1, 0, _mmxext);
472  FN_ASSIGN(avg_, 1, 1, _mmxext);
473  FN_ASSIGN(avg_, 1, 2, _mmxext);
474  FN_ASSIGN(avg_, 1, 3, _mmxext);
475 
476  FN_ASSIGN(avg_, 2, 0, _mmxext);
477  FN_ASSIGN(avg_, 2, 1, _mmxext);
478  FN_ASSIGN(avg_, 2, 2, _mmxext);
479  FN_ASSIGN(avg_, 2, 3, _mmxext);
480 
481  FN_ASSIGN(avg_, 3, 0, _mmxext);
482  FN_ASSIGN(avg_, 3, 1, _mmxext);
483  FN_ASSIGN(avg_, 3, 2, _mmxext);
484  FN_ASSIGN(avg_, 3, 3, _mmxext);
485 }
486 #endif /* HAVE_6REGS && HAVE_INLINE_ASM && HAVE_MMX_EXTERNAL */
stride
int stride
Definition: mace.c:144
cpu.h
mem_internal.h
vc1dsp.h
ff_vc1dsp_init_mmx
void ff_vc1dsp_init_mmx(VC1DSPContext *dsp)
DECLARE_FUNCTION
#define DECLARE_FUNCTION(a, b)
Macro to ease bicubic filter interpolation functions declarations.
Definition: vc1dsp_mmi.c:2134
OP_AVG
#define OP_AVG(dst, val)
Definition: diracdsp.c:78
MSPEL_FILTER13_VER_16B
#define MSPEL_FILTER13_VER_16B(NAME, A1, A2, A3, A4)
Macro to build the vertical 16bits version of vc1_put_shift[13].
Definition: vc1dsp_mmi.c:1884
MSPEL_FILTER13_HOR_16B
#define MSPEL_FILTER13_HOR_16B(NAME, A1, A2, A3, A4, OP, OPNAME)
Macro to build the horizontal 16bits version of vc1_put_shift[13].
Definition: vc1dsp_mmi.c:1959
vc1_mspel_mc_filter_ver_16bits
void(* vc1_mspel_mc_filter_ver_16bits)(int16_t *dst, const uint8_t *src, mips_reg src_stride, int rnd, int64_t shift)
1/4 shift bicubic interpolation
Definition: vc1dsp_mmi.c:2062
rnd
#define rnd()
Definition: checkasm.h:111
av_cold
#define av_cold
Definition: attributes.h:90
vc1_mspel_mc_filter_8bits
void(* vc1_mspel_mc_filter_8bits)(uint8_t *dst, const uint8_t *src, mips_reg stride, int rnd, mips_reg offset)
Definition: vc1dsp_mmi.c:2067
vc1_mspel_mc_filter_hor_16bits
void(* vc1_mspel_mc_filter_hor_16bits)(uint8_t *dst, mips_reg dst_stride, const int16_t *src, int rnd)
Definition: vc1dsp_mmi.c:2065
OP_PUT
#define OP_PUT(dst, val)
Definition: diracdsp.c:77
MSPEL_FILTER13_8B
#define MSPEL_FILTER13_8B(NAME, A1, A2, A3, A4, OP, OPNAME)
Macro to build the 8bits, any direction, version of vc1_put_shift[13].
Definition: vc1dsp_mmi.c:2007
src
#define src
Definition: vp8dsp.c:255
VC1_MSPEL_MC
#define VC1_MSPEL_MC(OP)
Interpolate fractional pel values by applying proper vertical then horizontal filter.
Definition: vc1dsp_mmi.c:2081
constants.h
shift1
static const int shift1[6]
Definition: dxa.c:50
asm.h
offset
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf offset
Definition: writing_filters.txt:86
attributes.h
VC1DSPContext
Definition: vc1dsp.h:35
VC1_SHIFT2
#define VC1_SHIFT2(OP, OPNAME)
Purely vertical or horizontal 1/2 shift interpolation.
Definition: vc1dsp_mmi.c:1760
FN_ASSIGN
#define FN_ASSIGN(X, Y)
Definition: vc1dsp_init_neon.c:80
fpel.h
shift
static int shift(int a, int b)
Definition: sonic.c:83
x86_reg
int x86_reg
Definition: asm.h:72
ff_vc1dsp_init_mmxext
void ff_vc1dsp_init_mmxext(VC1DSPContext *dsp)
Generated on Wed Aug 24 2022 21:38:02 for FFmpeg by   doxygen 1.8.17