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dsputil_align.c
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1 /*
2  * aligned/packed access motion
3  *
4  * Copyright (c) 2001-2003 BERO <bero@geocities.co.jp>
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 
24 #include "libavcodec/avcodec.h"
25 #include "libavcodec/dsputil.h"
26 #include "dsputil_sh4.h"
27 
28 
29 #define LP(p) *(uint32_t*)(p)
30 #define LPC(p) *(const uint32_t*)(p)
31 
32 
33 #define UNPACK(ph,pl,tt0,tt1) do { \
34  uint32_t t0,t1; t0=tt0;t1=tt1; \
35  ph = ( (t0 & ~BYTE_VEC32(0x03))>>2) + ( (t1 & ~BYTE_VEC32(0x03))>>2); \
36  pl = (t0 & BYTE_VEC32(0x03)) + (t1 & BYTE_VEC32(0x03)); } while(0)
37 
38 #define rnd_PACK(ph,pl,nph,npl) ph + nph + (((pl + npl + BYTE_VEC32(0x02))>>2) & BYTE_VEC32(0x03))
39 #define no_rnd_PACK(ph,pl,nph,npl) ph + nph + (((pl + npl + BYTE_VEC32(0x01))>>2) & BYTE_VEC32(0x03))
40 
41 /* little-endian */
42 #define MERGE1(a,b,ofs) (ofs==0)?a:( ((a)>>(8*ofs))|((b)<<(32-8*ofs)) )
43 #define MERGE2(a,b,ofs) (ofs==3)?b:( ((a)>>(8*(ofs+1)))|((b)<<(32-8*(ofs+1))) )
44 /* big
45 #define MERGE1(a,b,ofs) (ofs==0)?a:( ((a)<<(8*ofs))|((b)>>(32-8*ofs)) )
46 #define MERGE2(a,b,ofs) (ofs==3)?b:( ((a)<<(8+8*ofs))|((b)>>(32-8-8*ofs)) )
47 */
48 
49 
50 #define put(d,s) d = s
51 #define avg(d,s) d = rnd_avg32(s,d)
52 
53 #define OP_C4(ofs) \
54  ref-=ofs; \
55  do { \
56  OP(LP(dest),MERGE1(LPC(ref),LPC(ref+4),ofs)); \
57  ref+=stride; \
58  dest+=stride; \
59  } while(--height)
60 
61 #define OP_C40() \
62  do { \
63  OP(LP(dest),LPC(ref)); \
64  ref+=stride; \
65  dest+=stride; \
66  } while(--height)
67 
68 
69 #define OP put
70 
71 static void put_pixels4_c(uint8_t *dest,const uint8_t *ref, const int stride,int height)
72 {
73  switch((int)ref&3){
74  case 0: OP_C40(); return;
75  case 1: OP_C4(1); return;
76  case 2: OP_C4(2); return;
77  case 3: OP_C4(3); return;
78  }
79 }
80 
81 #undef OP
82 #define OP avg
83 
84 static void avg_pixels4_c(uint8_t *dest,const uint8_t *ref, const int stride,int height)
85 {
86  switch((int)ref&3){
87  case 0: OP_C40(); return;
88  case 1: OP_C4(1); return;
89  case 2: OP_C4(2); return;
90  case 3: OP_C4(3); return;
91  }
92 }
93 
94 #undef OP
95 
96 #define OP_C(ofs,sz,avg2) \
97 { \
98  ref-=ofs; \
99  do { \
100  uint32_t t0,t1; \
101  t0 = LPC(ref+0); \
102  t1 = LPC(ref+4); \
103  OP(LP(dest+0), MERGE1(t0,t1,ofs)); \
104  t0 = LPC(ref+8); \
105  OP(LP(dest+4), MERGE1(t1,t0,ofs)); \
106 if (sz==16) { \
107  t1 = LPC(ref+12); \
108  OP(LP(dest+8), MERGE1(t0,t1,ofs)); \
109  t0 = LPC(ref+16); \
110  OP(LP(dest+12), MERGE1(t1,t0,ofs)); \
111 } \
112  ref+=stride; \
113  dest+= stride; \
114  } while(--height); \
115 }
116 
117 /* aligned */
118 #define OP_C0(sz,avg2) \
119 { \
120  do { \
121  OP(LP(dest+0), LPC(ref+0)); \
122  OP(LP(dest+4), LPC(ref+4)); \
123 if (sz==16) { \
124  OP(LP(dest+8), LPC(ref+8)); \
125  OP(LP(dest+12), LPC(ref+12)); \
126 } \
127  ref+=stride; \
128  dest+= stride; \
129  } while(--height); \
130 }
131 
132 #define OP_X(ofs,sz,avg2) \
133 { \
134  ref-=ofs; \
135  do { \
136  uint32_t t0,t1; \
137  t0 = LPC(ref+0); \
138  t1 = LPC(ref+4); \
139  OP(LP(dest+0), avg2(MERGE1(t0,t1,ofs),MERGE2(t0,t1,ofs))); \
140  t0 = LPC(ref+8); \
141  OP(LP(dest+4), avg2(MERGE1(t1,t0,ofs),MERGE2(t1,t0,ofs))); \
142 if (sz==16) { \
143  t1 = LPC(ref+12); \
144  OP(LP(dest+8), avg2(MERGE1(t0,t1,ofs),MERGE2(t0,t1,ofs))); \
145  t0 = LPC(ref+16); \
146  OP(LP(dest+12), avg2(MERGE1(t1,t0,ofs),MERGE2(t1,t0,ofs))); \
147 } \
148  ref+=stride; \
149  dest+= stride; \
150  } while(--height); \
151 }
152 
153 /* aligned */
154 #define OP_Y0(sz,avg2) \
155 { \
156  uint32_t t0,t1,t2,t3,t; \
157 \
158  t0 = LPC(ref+0); \
159  t1 = LPC(ref+4); \
160 if (sz==16) { \
161  t2 = LPC(ref+8); \
162  t3 = LPC(ref+12); \
163 } \
164  do { \
165  ref += stride; \
166 \
167  t = LPC(ref+0); \
168  OP(LP(dest+0), avg2(t0,t)); t0 = t; \
169  t = LPC(ref+4); \
170  OP(LP(dest+4), avg2(t1,t)); t1 = t; \
171 if (sz==16) { \
172  t = LPC(ref+8); \
173  OP(LP(dest+8), avg2(t2,t)); t2 = t; \
174  t = LPC(ref+12); \
175  OP(LP(dest+12), avg2(t3,t)); t3 = t; \
176 } \
177  dest+= stride; \
178  } while(--height); \
179 }
180 
181 #define OP_Y(ofs,sz,avg2) \
182 { \
183  uint32_t t0,t1,t2,t3,t,w0,w1; \
184 \
185  ref-=ofs; \
186  w0 = LPC(ref+0); \
187  w1 = LPC(ref+4); \
188  t0 = MERGE1(w0,w1,ofs); \
189  w0 = LPC(ref+8); \
190  t1 = MERGE1(w1,w0,ofs); \
191 if (sz==16) { \
192  w1 = LPC(ref+12); \
193  t2 = MERGE1(w0,w1,ofs); \
194  w0 = LPC(ref+16); \
195  t3 = MERGE1(w1,w0,ofs); \
196 } \
197  do { \
198  ref += stride; \
199 \
200  w0 = LPC(ref+0); \
201  w1 = LPC(ref+4); \
202  t = MERGE1(w0,w1,ofs); \
203  OP(LP(dest+0), avg2(t0,t)); t0 = t; \
204  w0 = LPC(ref+8); \
205  t = MERGE1(w1,w0,ofs); \
206  OP(LP(dest+4), avg2(t1,t)); t1 = t; \
207 if (sz==16) { \
208  w1 = LPC(ref+12); \
209  t = MERGE1(w0,w1,ofs); \
210  OP(LP(dest+8), avg2(t2,t)); t2 = t; \
211  w0 = LPC(ref+16); \
212  t = MERGE1(w1,w0,ofs); \
213  OP(LP(dest+12), avg2(t3,t)); t3 = t; \
214 } \
215  dest+=stride; \
216  } while(--height); \
217 }
218 
219 #define OP_X0(sz,avg2) OP_X(0,sz,avg2)
220 #define OP_XY0(sz,PACK) OP_XY(0,sz,PACK)
221 #define OP_XY(ofs,sz,PACK) \
222 { \
223  uint32_t t2,t3,w0,w1; \
224  uint32_t a0,a1,a2,a3,a4,a5,a6,a7; \
225 \
226  ref -= ofs; \
227  w0 = LPC(ref+0); \
228  w1 = LPC(ref+4); \
229  UNPACK(a0,a1,MERGE1(w0,w1,ofs),MERGE2(w0,w1,ofs)); \
230  w0 = LPC(ref+8); \
231  UNPACK(a2,a3,MERGE1(w1,w0,ofs),MERGE2(w1,w0,ofs)); \
232 if (sz==16) { \
233  w1 = LPC(ref+12); \
234  UNPACK(a4,a5,MERGE1(w0,w1,ofs),MERGE2(w0,w1,ofs)); \
235  w0 = LPC(ref+16); \
236  UNPACK(a6,a7,MERGE1(w1,w0,ofs),MERGE2(w1,w0,ofs)); \
237 } \
238  do { \
239  ref+=stride; \
240  w0 = LPC(ref+0); \
241  w1 = LPC(ref+4); \
242  UNPACK(t2,t3,MERGE1(w0,w1,ofs),MERGE2(w0,w1,ofs)); \
243  OP(LP(dest+0),PACK(a0,a1,t2,t3)); \
244  a0 = t2; a1 = t3; \
245  w0 = LPC(ref+8); \
246  UNPACK(t2,t3,MERGE1(w1,w0,ofs),MERGE2(w1,w0,ofs)); \
247  OP(LP(dest+4),PACK(a2,a3,t2,t3)); \
248  a2 = t2; a3 = t3; \
249 if (sz==16) { \
250  w1 = LPC(ref+12); \
251  UNPACK(t2,t3,MERGE1(w0,w1,ofs),MERGE2(w0,w1,ofs)); \
252  OP(LP(dest+8),PACK(a4,a5,t2,t3)); \
253  a4 = t2; a5 = t3; \
254  w0 = LPC(ref+16); \
255  UNPACK(t2,t3,MERGE1(w1,w0,ofs),MERGE2(w1,w0,ofs)); \
256  OP(LP(dest+12),PACK(a6,a7,t2,t3)); \
257  a6 = t2; a7 = t3; \
258 } \
259  dest+=stride; \
260  } while(--height); \
261 }
262 
263 #define DEFFUNC(op,rnd,xy,sz,OP_N,avgfunc) \
264 static void op##_##rnd##_pixels##sz##_##xy (uint8_t * dest, const uint8_t * ref, \
265  const int stride, int height) \
266 { \
267  switch((int)ref&3) { \
268  case 0:OP_N##0(sz,rnd##_##avgfunc); return; \
269  case 1:OP_N(1,sz,rnd##_##avgfunc); return; \
270  case 2:OP_N(2,sz,rnd##_##avgfunc); return; \
271  case 3:OP_N(3,sz,rnd##_##avgfunc); return; \
272  } \
273 }
274 
275 #define OP put
276 
277 DEFFUNC(put, rnd,o,8,OP_C,avg32)
278 DEFFUNC(put, rnd,x,8,OP_X,avg32)
279 DEFFUNC(put,no_rnd,x,8,OP_X,avg32)
280 DEFFUNC(put, rnd,y,8,OP_Y,avg32)
281 DEFFUNC(put,no_rnd,y,8,OP_Y,avg32)
282 DEFFUNC(put, rnd,xy,8,OP_XY,PACK)
283 DEFFUNC(put,no_rnd,xy,8,OP_XY,PACK)
284 DEFFUNC(put, rnd,o,16,OP_C,avg32)
285 DEFFUNC(put, rnd,x,16,OP_X,avg32)
286 DEFFUNC(put,no_rnd,x,16,OP_X,avg32)
287 DEFFUNC(put, rnd,y,16,OP_Y,avg32)
288 DEFFUNC(put,no_rnd,y,16,OP_Y,avg32)
289 DEFFUNC(put, rnd,xy,16,OP_XY,PACK)
290 DEFFUNC(put,no_rnd,xy,16,OP_XY,PACK)
291 
292 #undef OP
293 #define OP avg
294 
295 DEFFUNC(avg, rnd,o,8,OP_C,avg32)
296 DEFFUNC(avg, rnd,x,8,OP_X,avg32)
297 DEFFUNC(avg,no_rnd,x,8,OP_X,avg32)
298 DEFFUNC(avg, rnd,y,8,OP_Y,avg32)
299 DEFFUNC(avg,no_rnd,y,8,OP_Y,avg32)
300 DEFFUNC(avg, rnd,xy,8,OP_XY,PACK)
301 DEFFUNC(avg,no_rnd,xy,8,OP_XY,PACK)
302 DEFFUNC(avg, rnd,o,16,OP_C,avg32)
303 DEFFUNC(avg, rnd,x,16,OP_X,avg32)
304 DEFFUNC(avg,no_rnd,x,16,OP_X,avg32)
305 DEFFUNC(avg, rnd,y,16,OP_Y,avg32)
306 DEFFUNC(avg,no_rnd,y,16,OP_Y,avg32)
307 DEFFUNC(avg, rnd,xy,16,OP_XY,PACK)
308 DEFFUNC(avg,no_rnd,xy,16,OP_XY,PACK)
309 
310 #undef OP
311 
312 #define put_no_rnd_pixels8_o put_rnd_pixels8_o
313 #define put_no_rnd_pixels16_o put_rnd_pixels16_o
314 #define avg_no_rnd_pixels8_o avg_rnd_pixels8_o
315 #define avg_no_rnd_pixels16_o avg_rnd_pixels16_o
316 
317 #define put_pixels8_c put_rnd_pixels8_o
318 #define put_pixels16_c put_rnd_pixels16_o
319 #define avg_pixels8_c avg_rnd_pixels8_o
320 #define avg_pixels16_c avg_rnd_pixels16_o
321 #define put_no_rnd_pixels8_c put_rnd_pixels8_o
322 #define put_no_rnd_pixels16_c put_rnd_pixels16_o
323 #define avg_no_rnd_pixels8_c avg_rnd_pixels8_o
324 #define avg_no_rnd_pixels16_c avg_rnd_pixels16_o
325 
326 #define QPEL
327 
328 #ifdef QPEL
329 
330 #include "qpel.c"
331 
332 #endif
333 
334 void ff_dsputil_init_align(DSPContext* c, AVCodecContext *avctx)
335 {
336  const int high_bit_depth = avctx->bits_per_raw_sample > 8;
337 
338  if (!high_bit_depth) {
339  c->put_pixels_tab[0][0] = put_rnd_pixels16_o;
340  c->put_pixels_tab[0][1] = put_rnd_pixels16_x;
341  c->put_pixels_tab[0][2] = put_rnd_pixels16_y;
342  c->put_pixels_tab[0][3] = put_rnd_pixels16_xy;
343  c->put_pixels_tab[1][0] = put_rnd_pixels8_o;
344  c->put_pixels_tab[1][1] = put_rnd_pixels8_x;
345  c->put_pixels_tab[1][2] = put_rnd_pixels8_y;
346  c->put_pixels_tab[1][3] = put_rnd_pixels8_xy;
347 
348  c->put_no_rnd_pixels_tab[0][0] = put_no_rnd_pixels16_o;
349  c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x;
350  c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y;
351  c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy;
352  c->put_no_rnd_pixels_tab[1][0] = put_no_rnd_pixels8_o;
353  c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x;
354  c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y;
355  c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy;
356 
357  c->avg_pixels_tab[0][0] = avg_rnd_pixels16_o;
358  c->avg_pixels_tab[0][1] = avg_rnd_pixels16_x;
359  c->avg_pixels_tab[0][2] = avg_rnd_pixels16_y;
360  c->avg_pixels_tab[0][3] = avg_rnd_pixels16_xy;
361  c->avg_pixels_tab[1][0] = avg_rnd_pixels8_o;
362  c->avg_pixels_tab[1][1] = avg_rnd_pixels8_x;
363  c->avg_pixels_tab[1][2] = avg_rnd_pixels8_y;
364  c->avg_pixels_tab[1][3] = avg_rnd_pixels8_xy;
365 
366  c->avg_no_rnd_pixels_tab[0][0] = avg_no_rnd_pixels16_o;
367  c->avg_no_rnd_pixels_tab[0][1] = avg_no_rnd_pixels16_x;
368  c->avg_no_rnd_pixels_tab[0][2] = avg_no_rnd_pixels16_y;
369  c->avg_no_rnd_pixels_tab[0][3] = avg_no_rnd_pixels16_xy;
370  c->avg_no_rnd_pixels_tab[1][0] = avg_no_rnd_pixels8_o;
371  c->avg_no_rnd_pixels_tab[1][1] = avg_no_rnd_pixels8_x;
372  c->avg_no_rnd_pixels_tab[1][2] = avg_no_rnd_pixels8_y;
373  c->avg_no_rnd_pixels_tab[1][3] = avg_no_rnd_pixels8_xy;
374  }
375 
376 #ifdef QPEL
377 
378 #define dspfunc(PFX, IDX, NUM) \
379  c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_sh4; \
380  c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_sh4; \
381  c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_sh4; \
382  c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_sh4; \
383  c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_sh4; \
384  c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_sh4; \
385  c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_sh4; \
386  c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_sh4; \
387  c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_sh4; \
388  c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_sh4; \
389  c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_sh4; \
390  c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_sh4; \
391  c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_sh4; \
392  c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_sh4; \
393  c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_sh4; \
394  c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_sh4
395 
396  dspfunc(put_qpel, 0, 16);
397  dspfunc(put_no_rnd_qpel, 0, 16);
398 
399  dspfunc(avg_qpel, 0, 16);
400  /* dspfunc(avg_no_rnd_qpel, 0, 16); */
401 
402  dspfunc(put_qpel, 1, 8);
403  dspfunc(put_no_rnd_qpel, 1, 8);
404 
405  dspfunc(avg_qpel, 1, 8);
406  /* dspfunc(avg_no_rnd_qpel, 1, 8); */
407 
408  if (!high_bit_depth) {
409  dspfunc(put_h264_qpel, 0, 16);
410  dspfunc(put_h264_qpel, 1, 8);
411  dspfunc(put_h264_qpel, 2, 4);
412  dspfunc(avg_h264_qpel, 0, 16);
413  dspfunc(avg_h264_qpel, 1, 8);
414  dspfunc(avg_h264_qpel, 2, 4);
415  }
416 
417 #undef dspfunc
418  if (!high_bit_depth) {
419  c->put_h264_chroma_pixels_tab[0]= put_h264_chroma_mc8_sh4;
420  c->put_h264_chroma_pixels_tab[1]= put_h264_chroma_mc4_sh4;
421  c->put_h264_chroma_pixels_tab[2]= put_h264_chroma_mc2_sh4;
422  c->avg_h264_chroma_pixels_tab[0]= avg_h264_chroma_mc8_sh4;
423  c->avg_h264_chroma_pixels_tab[1]= avg_h264_chroma_mc4_sh4;
424  c->avg_h264_chroma_pixels_tab[2]= avg_h264_chroma_mc2_sh4;
425  }
426 
427  c->put_mspel_pixels_tab[0]= put_mspel8_mc00_sh4;
428  c->put_mspel_pixels_tab[1]= put_mspel8_mc10_sh4;
429  c->put_mspel_pixels_tab[2]= put_mspel8_mc20_sh4;
430  c->put_mspel_pixels_tab[3]= put_mspel8_mc30_sh4;
431  c->put_mspel_pixels_tab[4]= put_mspel8_mc02_sh4;
432  c->put_mspel_pixels_tab[5]= put_mspel8_mc12_sh4;
433  c->put_mspel_pixels_tab[6]= put_mspel8_mc22_sh4;
434  c->put_mspel_pixels_tab[7]= put_mspel8_mc32_sh4;
435 
436  c->gmc1 = gmc1_c;
437 
438 #endif
439 }
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