FFmpeg  4.0
h264pred.c
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1 /*
2  * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
3  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 /**
23  * @file
24  * H.264 / AVC / MPEG-4 part10 prediction functions.
25  * @author Michael Niedermayer <michaelni@gmx.at>
26  */
27 
28 #include "libavutil/attributes.h"
29 #include "libavutil/avassert.h"
30 #include "libavutil/intreadwrite.h"
31 #include "avcodec.h"
32 #include "h264pred.h"
33 
34 #define BIT_DEPTH 8
35 #include "h264pred_template.c"
36 #undef BIT_DEPTH
37 
38 #define BIT_DEPTH 9
39 #include "h264pred_template.c"
40 #undef BIT_DEPTH
41 
42 #define BIT_DEPTH 10
43 #include "h264pred_template.c"
44 #undef BIT_DEPTH
45 
46 #define BIT_DEPTH 12
47 #include "h264pred_template.c"
48 #undef BIT_DEPTH
49 
50 #define BIT_DEPTH 14
51 #include "h264pred_template.c"
52 #undef BIT_DEPTH
53 
54 static void pred4x4_vertical_vp8_c(uint8_t *src, const uint8_t *topright,
55  ptrdiff_t stride)
56 {
57  const unsigned lt = src[-1-1*stride];
58  LOAD_TOP_EDGE
59  LOAD_TOP_RIGHT_EDGE
60  uint32_t v = PACK_4U8((lt + 2*t0 + t1 + 2) >> 2,
61  (t0 + 2*t1 + t2 + 2) >> 2,
62  (t1 + 2*t2 + t3 + 2) >> 2,
63  (t2 + 2*t3 + t4 + 2) >> 2);
64 
65  AV_WN32A(src+0*stride, v);
66  AV_WN32A(src+1*stride, v);
67  AV_WN32A(src+2*stride, v);
68  AV_WN32A(src+3*stride, v);
69 }
70 
71 static void pred4x4_horizontal_vp8_c(uint8_t *src, const uint8_t *topright,
72  ptrdiff_t stride)
73 {
74  const unsigned lt = src[-1-1*stride];
75  LOAD_LEFT_EDGE
76 
77  AV_WN32A(src+0*stride, ((lt + 2*l0 + l1 + 2) >> 2)*0x01010101);
78  AV_WN32A(src+1*stride, ((l0 + 2*l1 + l2 + 2) >> 2)*0x01010101);
79  AV_WN32A(src+2*stride, ((l1 + 2*l2 + l3 + 2) >> 2)*0x01010101);
80  AV_WN32A(src+3*stride, ((l2 + 2*l3 + l3 + 2) >> 2)*0x01010101);
81 }
82 
83 static void pred4x4_down_left_svq3_c(uint8_t *src, const uint8_t *topright,
84  ptrdiff_t stride)
85 {
86  LOAD_TOP_EDGE
87  LOAD_LEFT_EDGE
88 
89  src[0+0*stride]=(l1 + t1)>>1;
90  src[1+0*stride]=
91  src[0+1*stride]=(l2 + t2)>>1;
92  src[2+0*stride]=
93  src[1+1*stride]=
94  src[0+2*stride]=
95  src[3+0*stride]=
96  src[2+1*stride]=
97  src[1+2*stride]=
98  src[0+3*stride]=
99  src[3+1*stride]=
100  src[2+2*stride]=
101  src[1+3*stride]=
102  src[3+2*stride]=
103  src[2+3*stride]=
104  src[3+3*stride]=(l3 + t3)>>1;
105 }
106 
107 static void pred4x4_down_left_rv40_c(uint8_t *src, const uint8_t *topright,
108  ptrdiff_t stride)
109 {
110  LOAD_TOP_EDGE
111  LOAD_TOP_RIGHT_EDGE
112  LOAD_LEFT_EDGE
113  LOAD_DOWN_LEFT_EDGE
114 
115  src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;
116  src[1+0*stride]=
117  src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;
118  src[2+0*stride]=
119  src[1+1*stride]=
120  src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + l4 + 2*l3 + 2)>>3;
121  src[3+0*stride]=
122  src[2+1*stride]=
123  src[1+2*stride]=
124  src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3 + l5 + 2*l4 + 2)>>3;
125  src[3+1*stride]=
126  src[2+2*stride]=
127  src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l4 + l6 + 2*l5 + 2)>>3;
128  src[3+2*stride]=
129  src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l5 + l7 + 2*l6 + 2)>>3;
130  src[3+3*stride]=(t6 + t7 + 1 + l6 + l7 + 1)>>2;
131 }
132 
133 static void pred4x4_down_left_rv40_nodown_c(uint8_t *src,
134  const uint8_t *topright,
135  ptrdiff_t stride)
136 {
137  LOAD_TOP_EDGE
138  LOAD_TOP_RIGHT_EDGE
139  LOAD_LEFT_EDGE
140 
141  src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;
142  src[1+0*stride]=
143  src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;
144  src[2+0*stride]=
145  src[1+1*stride]=
146  src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + 3*l3 + 2)>>3;
147  src[3+0*stride]=
148  src[2+1*stride]=
149  src[1+2*stride]=
150  src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3*4 + 2)>>3;
151  src[3+1*stride]=
152  src[2+2*stride]=
153  src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l3*4 + 2)>>3;
154  src[3+2*stride]=
155  src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l3*4 + 2)>>3;
156  src[3+3*stride]=(t6 + t7 + 1 + 2*l3 + 1)>>2;
157 }
158 
159 static void pred4x4_vertical_left_rv40(uint8_t *src, const uint8_t *topright,
160  ptrdiff_t stride,
161  const int l0, const int l1, const int l2,
162  const int l3, const int l4)
163 {
164  LOAD_TOP_EDGE
165  LOAD_TOP_RIGHT_EDGE
166 
167  src[0+0*stride]=(2*t0 + 2*t1 + l1 + 2*l2 + l3 + 4)>>3;
168  src[1+0*stride]=
169  src[0+2*stride]=(t1 + t2 + 1)>>1;
170  src[2+0*stride]=
171  src[1+2*stride]=(t2 + t3 + 1)>>1;
172  src[3+0*stride]=
173  src[2+2*stride]=(t3 + t4+ 1)>>1;
174  src[3+2*stride]=(t4 + t5+ 1)>>1;
175  src[0+1*stride]=(t0 + 2*t1 + t2 + l2 + 2*l3 + l4 + 4)>>3;
176  src[1+1*stride]=
177  src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
178  src[2+1*stride]=
179  src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
180  src[3+1*stride]=
181  src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
182  src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
183 }
184 
185 static void pred4x4_vertical_left_rv40_c(uint8_t *src, const uint8_t *topright,
186  ptrdiff_t stride)
187 {
188  LOAD_LEFT_EDGE
189  LOAD_DOWN_LEFT_EDGE
190 
191  pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l4);
192 }
193 
194 static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src,
195  const uint8_t *topright,
196  ptrdiff_t stride)
197 {
198  LOAD_LEFT_EDGE
199 
200  pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l3);
201 }
202 
203 static void pred4x4_vertical_left_vp8_c(uint8_t *src, const uint8_t *topright,
204  ptrdiff_t stride)
205 {
206  LOAD_TOP_EDGE
207  LOAD_TOP_RIGHT_EDGE
208 
209  src[0+0*stride]=(t0 + t1 + 1)>>1;
210  src[1+0*stride]=
211  src[0+2*stride]=(t1 + t2 + 1)>>1;
212  src[2+0*stride]=
213  src[1+2*stride]=(t2 + t3 + 1)>>1;
214  src[3+0*stride]=
215  src[2+2*stride]=(t3 + t4 + 1)>>1;
216  src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
217  src[1+1*stride]=
218  src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
219  src[2+1*stride]=
220  src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
221  src[3+1*stride]=
222  src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
223  src[3+2*stride]=(t4 + 2*t5 + t6 + 2)>>2;
224  src[3+3*stride]=(t5 + 2*t6 + t7 + 2)>>2;
225 }
226 
227 static void pred4x4_horizontal_up_rv40_c(uint8_t *src, const uint8_t *topright,
228  ptrdiff_t stride)
229 {
230  LOAD_LEFT_EDGE
231  LOAD_DOWN_LEFT_EDGE
232  LOAD_TOP_EDGE
233  LOAD_TOP_RIGHT_EDGE
234 
235  src[0+0*stride]=(t1 + 2*t2 + t3 + 2*l0 + 2*l1 + 4)>>3;
236  src[1+0*stride]=(t2 + 2*t3 + t4 + l0 + 2*l1 + l2 + 4)>>3;
237  src[2+0*stride]=
238  src[0+1*stride]=(t3 + 2*t4 + t5 + 2*l1 + 2*l2 + 4)>>3;
239  src[3+0*stride]=
240  src[1+1*stride]=(t4 + 2*t5 + t6 + l1 + 2*l2 + l3 + 4)>>3;
241  src[2+1*stride]=
242  src[0+2*stride]=(t5 + 2*t6 + t7 + 2*l2 + 2*l3 + 4)>>3;
243  src[3+1*stride]=
244  src[1+2*stride]=(t6 + 3*t7 + l2 + 3*l3 + 4)>>3;
245  src[3+2*stride]=
246  src[1+3*stride]=(l3 + 2*l4 + l5 + 2)>>2;
247  src[0+3*stride]=
248  src[2+2*stride]=(t6 + t7 + l3 + l4 + 2)>>2;
249  src[2+3*stride]=(l4 + l5 + 1)>>1;
250  src[3+3*stride]=(l4 + 2*l5 + l6 + 2)>>2;
251 }
252 
253 static void pred4x4_horizontal_up_rv40_nodown_c(uint8_t *src,
254  const uint8_t *topright,
255  ptrdiff_t stride)
256 {
257  LOAD_LEFT_EDGE
258  LOAD_TOP_EDGE
259  LOAD_TOP_RIGHT_EDGE
260 
261  src[0+0*stride]=(t1 + 2*t2 + t3 + 2*l0 + 2*l1 + 4)>>3;
262  src[1+0*stride]=(t2 + 2*t3 + t4 + l0 + 2*l1 + l2 + 4)>>3;
263  src[2+0*stride]=
264  src[0+1*stride]=(t3 + 2*t4 + t5 + 2*l1 + 2*l2 + 4)>>3;
265  src[3+0*stride]=
266  src[1+1*stride]=(t4 + 2*t5 + t6 + l1 + 2*l2 + l3 + 4)>>3;
267  src[2+1*stride]=
268  src[0+2*stride]=(t5 + 2*t6 + t7 + 2*l2 + 2*l3 + 4)>>3;
269  src[3+1*stride]=
270  src[1+2*stride]=(t6 + 3*t7 + l2 + 3*l3 + 4)>>3;
271  src[3+2*stride]=
272  src[1+3*stride]=l3;
273  src[0+3*stride]=
274  src[2+2*stride]=(t6 + t7 + 2*l3 + 2)>>2;
275  src[2+3*stride]=
276  src[3+3*stride]=l3;
277 }
278 
279 static void pred4x4_tm_vp8_c(uint8_t *src, const uint8_t *topright,
280  ptrdiff_t stride)
281 {
282  const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP - src[-1-stride];
283  uint8_t *top = src-stride;
284  int y;
285 
286  for (y = 0; y < 4; y++) {
287  const uint8_t *cm_in = cm + src[-1];
288  src[0] = cm_in[top[0]];
289  src[1] = cm_in[top[1]];
290  src[2] = cm_in[top[2]];
291  src[3] = cm_in[top[3]];
292  src += stride;
293  }
294 }
295 
296 static void pred16x16_plane_svq3_c(uint8_t *src, ptrdiff_t stride)
297 {
298  pred16x16_plane_compat_8_c(src, stride, 1, 0);
299 }
300 
301 static void pred16x16_plane_rv40_c(uint8_t *src, ptrdiff_t stride)
302 {
303  pred16x16_plane_compat_8_c(src, stride, 0, 1);
304 }
305 
306 static void pred16x16_tm_vp8_c(uint8_t *src, ptrdiff_t stride)
307 {
308  const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP - src[-1-stride];
309  uint8_t *top = src-stride;
310  int y;
311 
312  for (y = 0; y < 16; y++) {
313  const uint8_t *cm_in = cm + src[-1];
314  src[0] = cm_in[top[0]];
315  src[1] = cm_in[top[1]];
316  src[2] = cm_in[top[2]];
317  src[3] = cm_in[top[3]];
318  src[4] = cm_in[top[4]];
319  src[5] = cm_in[top[5]];
320  src[6] = cm_in[top[6]];
321  src[7] = cm_in[top[7]];
322  src[8] = cm_in[top[8]];
323  src[9] = cm_in[top[9]];
324  src[10] = cm_in[top[10]];
325  src[11] = cm_in[top[11]];
326  src[12] = cm_in[top[12]];
327  src[13] = cm_in[top[13]];
328  src[14] = cm_in[top[14]];
329  src[15] = cm_in[top[15]];
330  src += stride;
331  }
332 }
333 
334 static void pred8x8_left_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
335 {
336  int i;
337  unsigned dc0;
338 
339  dc0=0;
340  for(i=0;i<8; i++)
341  dc0+= src[-1+i*stride];
342  dc0= 0x01010101*((dc0 + 4)>>3);
343 
344  for(i=0; i<8; i++){
345  ((uint32_t*)(src+i*stride))[0]=
346  ((uint32_t*)(src+i*stride))[1]= dc0;
347  }
348 }
349 
350 static void pred8x8_top_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
351 {
352  int i;
353  unsigned dc0;
354 
355  dc0=0;
356  for(i=0;i<8; i++)
357  dc0+= src[i-stride];
358  dc0= 0x01010101*((dc0 + 4)>>3);
359 
360  for(i=0; i<8; i++){
361  ((uint32_t*)(src+i*stride))[0]=
362  ((uint32_t*)(src+i*stride))[1]= dc0;
363  }
364 }
365 
366 static void pred8x8_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
367 {
368  int i;
369  unsigned dc0 = 0;
370 
371  for(i=0;i<4; i++){
372  dc0+= src[-1+i*stride] + src[i-stride];
373  dc0+= src[4+i-stride];
374  dc0+= src[-1+(i+4)*stride];
375  }
376  dc0= 0x01010101*((dc0 + 8)>>4);
377 
378  for(i=0; i<4; i++){
379  ((uint32_t*)(src+i*stride))[0]= dc0;
380  ((uint32_t*)(src+i*stride))[1]= dc0;
381  }
382  for(i=4; i<8; i++){
383  ((uint32_t*)(src+i*stride))[0]= dc0;
384  ((uint32_t*)(src+i*stride))[1]= dc0;
385  }
386 }
387 
388 static void pred8x8_tm_vp8_c(uint8_t *src, ptrdiff_t stride)
389 {
390  const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP - src[-1-stride];
391  uint8_t *top = src-stride;
392  int y;
393 
394  for (y = 0; y < 8; y++) {
395  const uint8_t *cm_in = cm + src[-1];
396  src[0] = cm_in[top[0]];
397  src[1] = cm_in[top[1]];
398  src[2] = cm_in[top[2]];
399  src[3] = cm_in[top[3]];
400  src[4] = cm_in[top[4]];
401  src[5] = cm_in[top[5]];
402  src[6] = cm_in[top[6]];
403  src[7] = cm_in[top[7]];
404  src += stride;
405  }
406 }
407 
408 /**
409  * Set the intra prediction function pointers.
410  */
411 av_cold void ff_h264_pred_init(H264PredContext *h, int codec_id,
412  const int bit_depth,
413  int chroma_format_idc)
414 {
415 #undef FUNC
416 #undef FUNCC
417 #define FUNC(a, depth) a ## _ ## depth
418 #define FUNCC(a, depth) a ## _ ## depth ## _c
419 #define FUNCD(a) a ## _c
420 
421 #define H264_PRED(depth) \
422  if(codec_id != AV_CODEC_ID_RV40){\
423  if (codec_id == AV_CODEC_ID_VP7 || codec_id == AV_CODEC_ID_VP8) {\
424  h->pred4x4[VERT_PRED ]= FUNCD(pred4x4_vertical_vp8);\
425  h->pred4x4[HOR_PRED ]= FUNCD(pred4x4_horizontal_vp8);\
426  } else {\
427  h->pred4x4[VERT_PRED ]= FUNCC(pred4x4_vertical , depth);\
428  h->pred4x4[HOR_PRED ]= FUNCC(pred4x4_horizontal , depth);\
429  }\
430  h->pred4x4[DC_PRED ]= FUNCC(pred4x4_dc , depth);\
431  if(codec_id == AV_CODEC_ID_SVQ3)\
432  h->pred4x4[DIAG_DOWN_LEFT_PRED ]= FUNCD(pred4x4_down_left_svq3);\
433  else\
434  h->pred4x4[DIAG_DOWN_LEFT_PRED ]= FUNCC(pred4x4_down_left , depth);\
435  h->pred4x4[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred4x4_down_right , depth);\
436  h->pred4x4[VERT_RIGHT_PRED ]= FUNCC(pred4x4_vertical_right , depth);\
437  h->pred4x4[HOR_DOWN_PRED ]= FUNCC(pred4x4_horizontal_down , depth);\
438  if (codec_id == AV_CODEC_ID_VP7 || codec_id == AV_CODEC_ID_VP8) {\
439  h->pred4x4[VERT_LEFT_PRED ]= FUNCD(pred4x4_vertical_left_vp8);\
440  } else\
441  h->pred4x4[VERT_LEFT_PRED ]= FUNCC(pred4x4_vertical_left , depth);\
442  h->pred4x4[HOR_UP_PRED ]= FUNCC(pred4x4_horizontal_up , depth);\
443  if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8) {\
444  h->pred4x4[LEFT_DC_PRED ]= FUNCC(pred4x4_left_dc , depth);\
445  h->pred4x4[TOP_DC_PRED ]= FUNCC(pred4x4_top_dc , depth);\
446  } else {\
447  h->pred4x4[TM_VP8_PRED ]= FUNCD(pred4x4_tm_vp8);\
448  h->pred4x4[DC_127_PRED ]= FUNCC(pred4x4_127_dc , depth);\
449  h->pred4x4[DC_129_PRED ]= FUNCC(pred4x4_129_dc , depth);\
450  h->pred4x4[VERT_VP8_PRED ]= FUNCC(pred4x4_vertical , depth);\
451  h->pred4x4[HOR_VP8_PRED ]= FUNCC(pred4x4_horizontal , depth);\
452  }\
453  if (codec_id != AV_CODEC_ID_VP8)\
454  h->pred4x4[DC_128_PRED ]= FUNCC(pred4x4_128_dc , depth);\
455  }else{\
456  h->pred4x4[VERT_PRED ]= FUNCC(pred4x4_vertical , depth);\
457  h->pred4x4[HOR_PRED ]= FUNCC(pred4x4_horizontal , depth);\
458  h->pred4x4[DC_PRED ]= FUNCC(pred4x4_dc , depth);\
459  h->pred4x4[DIAG_DOWN_LEFT_PRED ]= FUNCD(pred4x4_down_left_rv40);\
460  h->pred4x4[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred4x4_down_right , depth);\
461  h->pred4x4[VERT_RIGHT_PRED ]= FUNCC(pred4x4_vertical_right , depth);\
462  h->pred4x4[HOR_DOWN_PRED ]= FUNCC(pred4x4_horizontal_down , depth);\
463  h->pred4x4[VERT_LEFT_PRED ]= FUNCD(pred4x4_vertical_left_rv40);\
464  h->pred4x4[HOR_UP_PRED ]= FUNCD(pred4x4_horizontal_up_rv40);\
465  h->pred4x4[LEFT_DC_PRED ]= FUNCC(pred4x4_left_dc , depth);\
466  h->pred4x4[TOP_DC_PRED ]= FUNCC(pred4x4_top_dc , depth);\
467  h->pred4x4[DC_128_PRED ]= FUNCC(pred4x4_128_dc , depth);\
468  h->pred4x4[DIAG_DOWN_LEFT_PRED_RV40_NODOWN]= FUNCD(pred4x4_down_left_rv40_nodown);\
469  h->pred4x4[HOR_UP_PRED_RV40_NODOWN]= FUNCD(pred4x4_horizontal_up_rv40_nodown);\
470  h->pred4x4[VERT_LEFT_PRED_RV40_NODOWN]= FUNCD(pred4x4_vertical_left_rv40_nodown);\
471  }\
472 \
473  h->pred8x8l[VERT_PRED ]= FUNCC(pred8x8l_vertical , depth);\
474  h->pred8x8l[HOR_PRED ]= FUNCC(pred8x8l_horizontal , depth);\
475  h->pred8x8l[DC_PRED ]= FUNCC(pred8x8l_dc , depth);\
476  h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= FUNCC(pred8x8l_down_left , depth);\
477  h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred8x8l_down_right , depth);\
478  h->pred8x8l[VERT_RIGHT_PRED ]= FUNCC(pred8x8l_vertical_right , depth);\
479  h->pred8x8l[HOR_DOWN_PRED ]= FUNCC(pred8x8l_horizontal_down , depth);\
480  h->pred8x8l[VERT_LEFT_PRED ]= FUNCC(pred8x8l_vertical_left , depth);\
481  h->pred8x8l[HOR_UP_PRED ]= FUNCC(pred8x8l_horizontal_up , depth);\
482  h->pred8x8l[LEFT_DC_PRED ]= FUNCC(pred8x8l_left_dc , depth);\
483  h->pred8x8l[TOP_DC_PRED ]= FUNCC(pred8x8l_top_dc , depth);\
484  h->pred8x8l[DC_128_PRED ]= FUNCC(pred8x8l_128_dc , depth);\
485 \
486  if (chroma_format_idc <= 1) {\
487  h->pred8x8[VERT_PRED8x8 ]= FUNCC(pred8x8_vertical , depth);\
488  h->pred8x8[HOR_PRED8x8 ]= FUNCC(pred8x8_horizontal , depth);\
489  } else {\
490  h->pred8x8[VERT_PRED8x8 ]= FUNCC(pred8x16_vertical , depth);\
491  h->pred8x8[HOR_PRED8x8 ]= FUNCC(pred8x16_horizontal , depth);\
492  }\
493  if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8) {\
494  if (chroma_format_idc <= 1) {\
495  h->pred8x8[PLANE_PRED8x8]= FUNCC(pred8x8_plane , depth);\
496  } else {\
497  h->pred8x8[PLANE_PRED8x8]= FUNCC(pred8x16_plane , depth);\
498  }\
499  } else\
500  h->pred8x8[PLANE_PRED8x8]= FUNCD(pred8x8_tm_vp8);\
501  if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 && \
502  codec_id != AV_CODEC_ID_VP8) {\
503  if (chroma_format_idc <= 1) {\
504  h->pred8x8[DC_PRED8x8 ]= FUNCC(pred8x8_dc , depth);\
505  h->pred8x8[LEFT_DC_PRED8x8]= FUNCC(pred8x8_left_dc , depth);\
506  h->pred8x8[TOP_DC_PRED8x8 ]= FUNCC(pred8x8_top_dc , depth);\
507  h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_l0t, depth);\
508  h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_0lt, depth);\
509  h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_l00, depth);\
510  h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_0l0, depth);\
511  } else {\
512  h->pred8x8[DC_PRED8x8 ]= FUNCC(pred8x16_dc , depth);\
513  h->pred8x8[LEFT_DC_PRED8x8]= FUNCC(pred8x16_left_dc , depth);\
514  h->pred8x8[TOP_DC_PRED8x8 ]= FUNCC(pred8x16_top_dc , depth);\
515  h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_l0t, depth);\
516  h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_0lt, depth);\
517  h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_l00, depth);\
518  h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_0l0, depth);\
519  }\
520  }else{\
521  h->pred8x8[DC_PRED8x8 ]= FUNCD(pred8x8_dc_rv40);\
522  h->pred8x8[LEFT_DC_PRED8x8]= FUNCD(pred8x8_left_dc_rv40);\
523  h->pred8x8[TOP_DC_PRED8x8 ]= FUNCD(pred8x8_top_dc_rv40);\
524  if (codec_id == AV_CODEC_ID_VP7 || codec_id == AV_CODEC_ID_VP8) {\
525  h->pred8x8[DC_127_PRED8x8]= FUNCC(pred8x8_127_dc , depth);\
526  h->pred8x8[DC_129_PRED8x8]= FUNCC(pred8x8_129_dc , depth);\
527  }\
528  }\
529  if (chroma_format_idc <= 1) {\
530  h->pred8x8[DC_128_PRED8x8 ]= FUNCC(pred8x8_128_dc , depth);\
531  } else {\
532  h->pred8x8[DC_128_PRED8x8 ]= FUNCC(pred8x16_128_dc , depth);\
533  }\
534 \
535  h->pred16x16[DC_PRED8x8 ]= FUNCC(pred16x16_dc , depth);\
536  h->pred16x16[VERT_PRED8x8 ]= FUNCC(pred16x16_vertical , depth);\
537  h->pred16x16[HOR_PRED8x8 ]= FUNCC(pred16x16_horizontal , depth);\
538  switch(codec_id){\
539  case AV_CODEC_ID_SVQ3:\
540  h->pred16x16[PLANE_PRED8x8 ]= FUNCD(pred16x16_plane_svq3);\
541  break;\
542  case AV_CODEC_ID_RV40:\
543  h->pred16x16[PLANE_PRED8x8 ]= FUNCD(pred16x16_plane_rv40);\
544  break;\
545  case AV_CODEC_ID_VP7:\
546  case AV_CODEC_ID_VP8:\
547  h->pred16x16[PLANE_PRED8x8 ]= FUNCD(pred16x16_tm_vp8);\
548  h->pred16x16[DC_127_PRED8x8]= FUNCC(pred16x16_127_dc , depth);\
549  h->pred16x16[DC_129_PRED8x8]= FUNCC(pred16x16_129_dc , depth);\
550  break;\
551  default:\
552  h->pred16x16[PLANE_PRED8x8 ]= FUNCC(pred16x16_plane , depth);\
553  break;\
554  }\
555  h->pred16x16[LEFT_DC_PRED8x8]= FUNCC(pred16x16_left_dc , depth);\
556  h->pred16x16[TOP_DC_PRED8x8 ]= FUNCC(pred16x16_top_dc , depth);\
557  h->pred16x16[DC_128_PRED8x8 ]= FUNCC(pred16x16_128_dc , depth);\
558 \
559  /* special lossless h/v prediction for H.264 */ \
560  h->pred4x4_add [VERT_PRED ]= FUNCC(pred4x4_vertical_add , depth);\
561  h->pred4x4_add [ HOR_PRED ]= FUNCC(pred4x4_horizontal_add , depth);\
562  h->pred8x8l_add [VERT_PRED ]= FUNCC(pred8x8l_vertical_add , depth);\
563  h->pred8x8l_add [ HOR_PRED ]= FUNCC(pred8x8l_horizontal_add , depth);\
564  h->pred8x8l_filter_add [VERT_PRED ]= FUNCC(pred8x8l_vertical_filter_add , depth);\
565  h->pred8x8l_filter_add [ HOR_PRED ]= FUNCC(pred8x8l_horizontal_filter_add , depth);\
566  if (chroma_format_idc <= 1) {\
567  h->pred8x8_add [VERT_PRED8x8]= FUNCC(pred8x8_vertical_add , depth);\
568  h->pred8x8_add [ HOR_PRED8x8]= FUNCC(pred8x8_horizontal_add , depth);\
569  } else {\
570  h->pred8x8_add [VERT_PRED8x8]= FUNCC(pred8x16_vertical_add , depth);\
571  h->pred8x8_add [ HOR_PRED8x8]= FUNCC(pred8x16_horizontal_add , depth);\
572  }\
573  h->pred16x16_add[VERT_PRED8x8]= FUNCC(pred16x16_vertical_add , depth);\
574  h->pred16x16_add[ HOR_PRED8x8]= FUNCC(pred16x16_horizontal_add , depth);\
575 
576  switch (bit_depth) {
577  case 9:
578  H264_PRED(9)
579  break;
580  case 10:
581  H264_PRED(10)
582  break;
583  case 12:
584  H264_PRED(12)
585  break;
586  case 14:
587  H264_PRED(14)
588  break;
589  default:
590  av_assert0(bit_depth<=8);
591  H264_PRED(8)
592  break;
593  }
594 
595  if (ARCH_AARCH64)
596  ff_h264_pred_init_aarch64(h, codec_id, bit_depth, chroma_format_idc);
597  if (ARCH_ARM)
598  ff_h264_pred_init_arm(h, codec_id, bit_depth, chroma_format_idc);
599  if (ARCH_X86)
600  ff_h264_pred_init_x86(h, codec_id, bit_depth, chroma_format_idc);
601  if (ARCH_MIPS)
602  ff_h264_pred_init_mips(h, codec_id, bit_depth, chroma_format_idc);
603 }
ff_h264_pred_init_x86
void ff_h264_pred_init_x86(H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)
pred16x16_plane_svq3_c
static void pred16x16_plane_svq3_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:296
h
h
Definition: vp9dsp_template.c:2038
ff_h264_pred_init_mips
void ff_h264_pred_init_mips(H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)
Definition: h264pred_init_mips.c:145
MAX_NEG_CROP
#define MAX_NEG_CROP
Definition: mathops.h:31
ff_h264_pred_init
av_cold void ff_h264_pred_init(H264PredContext *h, int codec_id, const int bit_depth, int chroma_format_idc)
Set the intra prediction function pointers.
Definition: h264pred.c:411
pred4x4_vertical_left_rv40
static void pred4x4_vertical_left_rv40(uint8_t *src, const uint8_t *topright, ptrdiff_t stride, const int l0, const int l1, const int l2, const int l3, const int l4)
Definition: h264pred.c:159
src
#define src
Definition: vp8dsp.c:254
stride
int stride
Definition: mace.c:144
AV_WN32A
#define AV_WN32A(p, v)
Definition: intreadwrite.h:538
pred4x4_vertical_left_rv40_c
static void pred4x4_vertical_left_rv40_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:185
attributes.h
Macro definitions for various function/variable attributes.
PACK_4U8
#define PACK_4U8(a, b, c, d)
Definition: mathops.h:184
t7
#define t7
Definition: regdef.h:35
av_assert0
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
pred4x4_down_left_svq3_c
static void pred4x4_down_left_svq3_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:83
pred4x4_vertical_vp8_c
static void pred4x4_vertical_vp8_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:54
uint8_t
uint8_t
Definition: audio_convert.c:194
av_cold
#define av_cold
Definition: attributes.h:82
pred4x4_horizontal_up_rv40_c
static void pred4x4_horizontal_up_rv40_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:227
pred8x8_left_dc_rv40_c
static void pred8x8_left_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:334
H264PredContext
Context for storing H.264 prediction functions.
Definition: h264pred.h:92
t0
#define t0
Definition: regdef.h:28
pred4x4_horizontal_vp8_c
static void pred4x4_horizontal_vp8_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:71
pred16x16_tm_vp8_c
static void pred16x16_tm_vp8_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:306
cm
#define cm
Definition: dvbsubdec.c:37
ARCH_X86
#define ARCH_X86
Definition: config.h:38
pred4x4_vertical_left_vp8_c
static void pred4x4_vertical_left_vp8_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:203
pred16x16_plane_rv40_c
static void pred16x16_plane_rv40_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:301
t1
#define t1
Definition: regdef.h:29
avassert.h
simple assert() macros that are a bit more flexible than ISO C assert().
H264_PRED
#define H264_PRED(depth)
t3
#define t3
Definition: regdef.h:31
ff_h264_pred_init_aarch64
av_cold void ff_h264_pred_init_aarch64(H264PredContext *h, int codec_id, int bit_depth, const int chroma_format_idc)
Definition: h264pred_init.c:86
h264pred_template.c
H.264 / AVC / MPEG-4 part10 prediction functions.
ARCH_ARM
#define ARCH_ARM
Definition: config.h:19
pred8x8_dc_rv40_c
static void pred8x8_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:366
bit_depth
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:152
codec_id
enum AVCodecID codec_id
Definition: vaapi_decode.c:362
pred8x8_top_dc_rv40_c
static void pred8x8_top_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:350
avcodec.h
Libavcodec external API header.
pred8x8_tm_vp8_c
static void pred8x8_tm_vp8_c(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.c:388
pred4x4_down_left_rv40_nodown_c
static void pred4x4_down_left_rv40_nodown_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:133
t5
#define t5
Definition: regdef.h:33
ARCH_MIPS
#define ARCH_MIPS
Definition: config.h:26
h264pred.h
H.264 / AVC / MPEG-4 prediction functions.
LOAD_LEFT_EDGE
#define LOAD_LEFT_EDGE
Definition: h264pred_template.c:153
ff_h264_pred_init_arm
av_cold void ff_h264_pred_init_arm(H264PredContext *h, int codec_id, int bit_depth, const int chroma_format_idc)
Definition: h264pred_init_arm.c:88
LOAD_TOP_EDGE
#define LOAD_TOP_EDGE
Definition: h264pred_template.c:159
t6
#define t6
Definition: regdef.h:34
ff_crop_tab
#define ff_crop_tab
Definition: motionpixels_tablegen.c:26
pred4x4_horizontal_up_rv40_nodown_c
static void pred4x4_horizontal_up_rv40_nodown_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:253
pred4x4_down_left_rv40_c
static void pred4x4_down_left_rv40_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:107
t4
#define t4
Definition: regdef.h:32
LOAD_DOWN_LEFT_EDGE
#define LOAD_DOWN_LEFT_EDGE
Definition: h264pred_template.c:147
pred4x4_tm_vp8_c
static void pred4x4_tm_vp8_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:279
LOAD_TOP_RIGHT_EDGE
#define LOAD_TOP_RIGHT_EDGE
Definition: h264pred_template.c:141
ARCH_AARCH64
#define ARCH_AARCH64
Definition: config.h:17
t2
#define t2
Definition: regdef.h:30
pred4x4_vertical_left_rv40_nodown_c
static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src, const uint8_t *topright, ptrdiff_t stride)
Definition: h264pred.c:194
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