xref: /third_party/ffmpeg/libavcodec/h264pred.c (revision cabdff1a)
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 "config.h"
29#include "libavutil/attributes.h"
30#include "libavutil/avassert.h"
31#include "libavutil/intreadwrite.h"
32#include "codec_id.h"
33#include "h264pred.h"
34#include "mathops.h"
35
36#define BIT_DEPTH 8
37#include "h264pred_template.c"
38#undef BIT_DEPTH
39
40#define BIT_DEPTH 9
41#include "h264pred_template.c"
42#undef BIT_DEPTH
43
44#define BIT_DEPTH 10
45#include "h264pred_template.c"
46#undef BIT_DEPTH
47
48#define BIT_DEPTH 12
49#include "h264pred_template.c"
50#undef BIT_DEPTH
51
52#define BIT_DEPTH 14
53#include "h264pred_template.c"
54#undef BIT_DEPTH
55
56static void pred4x4_127_dc_c(uint8_t *src, const uint8_t *topright,
57                             ptrdiff_t _stride)
58{
59    int stride = _stride;
60    const uint32_t a = 0x7F7F7F7FU;
61
62    AV_WN32A(src + 0 * stride, a);
63    AV_WN32A(src + 1 * stride, a);
64    AV_WN32A(src + 2 * stride, a);
65    AV_WN32A(src + 3 * stride, a);
66}
67
68static void pred4x4_129_dc_c(uint8_t *src, const uint8_t *topright,
69                             ptrdiff_t _stride)
70{
71    int stride = _stride;
72    const uint32_t a = 0x81818181U;
73
74    AV_WN32A(src + 0 * stride, a);
75    AV_WN32A(src + 1 * stride, a);
76    AV_WN32A(src + 2 * stride, a);
77    AV_WN32A(src + 3 * stride, a);
78}
79
80static void pred4x4_vertical_vp8_c(uint8_t *src, const uint8_t *topright,
81                                   ptrdiff_t stride)
82{
83    const unsigned lt = src[-1-1*stride];
84    LOAD_TOP_EDGE
85    LOAD_TOP_RIGHT_EDGE
86    uint32_t v = PACK_4U8((lt + 2*t0 + t1 + 2) >> 2,
87                          (t0 + 2*t1 + t2 + 2) >> 2,
88                          (t1 + 2*t2 + t3 + 2) >> 2,
89                          (t2 + 2*t3 + t4 + 2) >> 2);
90
91    AV_WN32A(src+0*stride, v);
92    AV_WN32A(src+1*stride, v);
93    AV_WN32A(src+2*stride, v);
94    AV_WN32A(src+3*stride, v);
95}
96
97static void pred4x4_horizontal_vp8_c(uint8_t *src, const uint8_t *topright,
98                                     ptrdiff_t stride)
99{
100    const unsigned lt = src[-1-1*stride];
101    LOAD_LEFT_EDGE
102
103    AV_WN32A(src+0*stride, ((lt + 2*l0 + l1 + 2) >> 2)*0x01010101);
104    AV_WN32A(src+1*stride, ((l0 + 2*l1 + l2 + 2) >> 2)*0x01010101);
105    AV_WN32A(src+2*stride, ((l1 + 2*l2 + l3 + 2) >> 2)*0x01010101);
106    AV_WN32A(src+3*stride, ((l2 + 2*l3 + l3 + 2) >> 2)*0x01010101);
107}
108
109static void pred4x4_down_left_svq3_c(uint8_t *src, const uint8_t *topright,
110                                     ptrdiff_t stride)
111{
112    LOAD_TOP_EDGE
113    LOAD_LEFT_EDGE
114
115    src[0+0*stride]=(l1 + t1)>>1;
116    src[1+0*stride]=
117    src[0+1*stride]=(l2 + t2)>>1;
118    src[2+0*stride]=
119    src[1+1*stride]=
120    src[0+2*stride]=
121    src[3+0*stride]=
122    src[2+1*stride]=
123    src[1+2*stride]=
124    src[0+3*stride]=
125    src[3+1*stride]=
126    src[2+2*stride]=
127    src[1+3*stride]=
128    src[3+2*stride]=
129    src[2+3*stride]=
130    src[3+3*stride]=(l3 + t3)>>1;
131}
132
133static void pred4x4_down_left_rv40_c(uint8_t *src, const uint8_t *topright,
134                                     ptrdiff_t stride)
135{
136    LOAD_TOP_EDGE
137    LOAD_TOP_RIGHT_EDGE
138    LOAD_LEFT_EDGE
139    LOAD_DOWN_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 + l4 + 2*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 + l5 + 2*l4 + 2)>>3;
151    src[3+1*stride]=
152    src[2+2*stride]=
153    src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l4 + l6 + 2*l5 + 2)>>3;
154    src[3+2*stride]=
155    src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l5 + l7 + 2*l6 + 2)>>3;
156    src[3+3*stride]=(t6 + t7 + 1 + l6 + l7 + 1)>>2;
157}
158
159static void pred4x4_down_left_rv40_nodown_c(uint8_t *src,
160                                            const uint8_t *topright,
161                                            ptrdiff_t stride)
162{
163    LOAD_TOP_EDGE
164    LOAD_TOP_RIGHT_EDGE
165    LOAD_LEFT_EDGE
166
167    src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;
168    src[1+0*stride]=
169    src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;
170    src[2+0*stride]=
171    src[1+1*stride]=
172    src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + 3*l3 + 2)>>3;
173    src[3+0*stride]=
174    src[2+1*stride]=
175    src[1+2*stride]=
176    src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3*4 + 2)>>3;
177    src[3+1*stride]=
178    src[2+2*stride]=
179    src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l3*4 + 2)>>3;
180    src[3+2*stride]=
181    src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l3*4 + 2)>>3;
182    src[3+3*stride]=(t6 + t7 + 1 + 2*l3 + 1)>>2;
183}
184
185static void pred4x4_vertical_left_rv40(uint8_t *src, const uint8_t *topright,
186                                       ptrdiff_t stride,
187                                       const int l0, const int l1, const int l2,
188                                       const int l3, const int l4)
189{
190    LOAD_TOP_EDGE
191    LOAD_TOP_RIGHT_EDGE
192
193    src[0+0*stride]=(2*t0 + 2*t1 + l1 + 2*l2 + l3 + 4)>>3;
194    src[1+0*stride]=
195    src[0+2*stride]=(t1 + t2 + 1)>>1;
196    src[2+0*stride]=
197    src[1+2*stride]=(t2 + t3 + 1)>>1;
198    src[3+0*stride]=
199    src[2+2*stride]=(t3 + t4+ 1)>>1;
200    src[3+2*stride]=(t4 + t5+ 1)>>1;
201    src[0+1*stride]=(t0 + 2*t1 + t2 + l2 + 2*l3 + l4 + 4)>>3;
202    src[1+1*stride]=
203    src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
204    src[2+1*stride]=
205    src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
206    src[3+1*stride]=
207    src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
208    src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
209}
210
211static void pred4x4_vertical_left_rv40_c(uint8_t *src, const uint8_t *topright,
212                                         ptrdiff_t stride)
213{
214    LOAD_LEFT_EDGE
215    LOAD_DOWN_LEFT_EDGE
216
217    pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l4);
218}
219
220static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src,
221                                                const uint8_t *topright,
222                                                ptrdiff_t stride)
223{
224    LOAD_LEFT_EDGE
225
226    pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l3);
227}
228
229static void pred4x4_vertical_left_vp8_c(uint8_t *src, const uint8_t *topright,
230                                        ptrdiff_t stride)
231{
232    LOAD_TOP_EDGE
233    LOAD_TOP_RIGHT_EDGE
234
235    src[0+0*stride]=(t0 + t1 + 1)>>1;
236    src[1+0*stride]=
237    src[0+2*stride]=(t1 + t2 + 1)>>1;
238    src[2+0*stride]=
239    src[1+2*stride]=(t2 + t3 + 1)>>1;
240    src[3+0*stride]=
241    src[2+2*stride]=(t3 + t4 + 1)>>1;
242    src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
243    src[1+1*stride]=
244    src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
245    src[2+1*stride]=
246    src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
247    src[3+1*stride]=
248    src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
249    src[3+2*stride]=(t4 + 2*t5 + t6 + 2)>>2;
250    src[3+3*stride]=(t5 + 2*t6 + t7 + 2)>>2;
251}
252
253static void pred4x4_horizontal_up_rv40_c(uint8_t *src, const uint8_t *topright,
254                                         ptrdiff_t stride)
255{
256    LOAD_LEFT_EDGE
257    LOAD_DOWN_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 + 2*l4 + l5 + 2)>>2;
273    src[0+3*stride]=
274    src[2+2*stride]=(t6 + t7 + l3 + l4 + 2)>>2;
275    src[2+3*stride]=(l4 + l5 + 1)>>1;
276    src[3+3*stride]=(l4 + 2*l5 + l6 + 2)>>2;
277}
278
279static void pred4x4_horizontal_up_rv40_nodown_c(uint8_t *src,
280                                                const uint8_t *topright,
281                                                ptrdiff_t stride)
282{
283    LOAD_LEFT_EDGE
284    LOAD_TOP_EDGE
285    LOAD_TOP_RIGHT_EDGE
286
287    src[0+0*stride]=(t1 + 2*t2 + t3 + 2*l0 + 2*l1 + 4)>>3;
288    src[1+0*stride]=(t2 + 2*t3 + t4 + l0 + 2*l1 + l2 + 4)>>3;
289    src[2+0*stride]=
290    src[0+1*stride]=(t3 + 2*t4 + t5 + 2*l1 + 2*l2 + 4)>>3;
291    src[3+0*stride]=
292    src[1+1*stride]=(t4 + 2*t5 + t6 + l1 + 2*l2 + l3 + 4)>>3;
293    src[2+1*stride]=
294    src[0+2*stride]=(t5 + 2*t6 + t7 + 2*l2 + 2*l3 + 4)>>3;
295    src[3+1*stride]=
296    src[1+2*stride]=(t6 + 3*t7 + l2 + 3*l3 + 4)>>3;
297    src[3+2*stride]=
298    src[1+3*stride]=l3;
299    src[0+3*stride]=
300    src[2+2*stride]=(t6 + t7 + 2*l3 + 2)>>2;
301    src[2+3*stride]=
302    src[3+3*stride]=l3;
303}
304
305static void pred4x4_tm_vp8_c(uint8_t *src, const uint8_t *topright,
306                             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 < 4; 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 += stride;
319    }
320}
321
322static void pred16x16_plane_svq3_c(uint8_t *src, ptrdiff_t stride)
323{
324    pred16x16_plane_compat_8_c(src, stride, 1, 0);
325}
326
327static void pred16x16_plane_rv40_c(uint8_t *src, ptrdiff_t stride)
328{
329    pred16x16_plane_compat_8_c(src, stride, 0, 1);
330}
331
332static void pred16x16_tm_vp8_c(uint8_t *src, ptrdiff_t stride)
333{
334    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP - src[-1-stride];
335    uint8_t *top = src-stride;
336    int y;
337
338    for (y = 0; y < 16; y++) {
339        const uint8_t *cm_in = cm + src[-1];
340        src[0]  = cm_in[top[0]];
341        src[1]  = cm_in[top[1]];
342        src[2]  = cm_in[top[2]];
343        src[3]  = cm_in[top[3]];
344        src[4]  = cm_in[top[4]];
345        src[5]  = cm_in[top[5]];
346        src[6]  = cm_in[top[6]];
347        src[7]  = cm_in[top[7]];
348        src[8]  = cm_in[top[8]];
349        src[9]  = cm_in[top[9]];
350        src[10] = cm_in[top[10]];
351        src[11] = cm_in[top[11]];
352        src[12] = cm_in[top[12]];
353        src[13] = cm_in[top[13]];
354        src[14] = cm_in[top[14]];
355        src[15] = cm_in[top[15]];
356        src += stride;
357    }
358}
359
360static void pred8x8_left_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
361{
362    int i;
363    unsigned dc0;
364
365    dc0=0;
366    for(i=0;i<8; i++)
367        dc0+= src[-1+i*stride];
368    dc0= 0x01010101*((dc0 + 4)>>3);
369
370    for(i=0; i<8; i++){
371        ((uint32_t*)(src+i*stride))[0]=
372        ((uint32_t*)(src+i*stride))[1]= dc0;
373    }
374}
375
376static void pred8x8_top_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
377{
378    int i;
379    unsigned dc0;
380
381    dc0=0;
382    for(i=0;i<8; i++)
383        dc0+= src[i-stride];
384    dc0= 0x01010101*((dc0 + 4)>>3);
385
386    for(i=0; i<8; i++){
387        ((uint32_t*)(src+i*stride))[0]=
388        ((uint32_t*)(src+i*stride))[1]= dc0;
389    }
390}
391
392static void pred8x8_dc_rv40_c(uint8_t *src, ptrdiff_t stride)
393{
394    int i;
395    unsigned dc0 = 0;
396
397    for(i=0;i<4; i++){
398        dc0+= src[-1+i*stride] + src[i-stride];
399        dc0+= src[4+i-stride];
400        dc0+= src[-1+(i+4)*stride];
401    }
402    dc0= 0x01010101*((dc0 + 8)>>4);
403
404    for(i=0; i<4; i++){
405        ((uint32_t*)(src+i*stride))[0]= dc0;
406        ((uint32_t*)(src+i*stride))[1]= dc0;
407    }
408    for(i=4; i<8; i++){
409        ((uint32_t*)(src+i*stride))[0]= dc0;
410        ((uint32_t*)(src+i*stride))[1]= dc0;
411    }
412}
413
414static void pred8x8_tm_vp8_c(uint8_t *src, ptrdiff_t stride)
415{
416    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP - src[-1-stride];
417    uint8_t *top = src-stride;
418    int y;
419
420    for (y = 0; y < 8; y++) {
421        const uint8_t *cm_in = cm + src[-1];
422        src[0] = cm_in[top[0]];
423        src[1] = cm_in[top[1]];
424        src[2] = cm_in[top[2]];
425        src[3] = cm_in[top[3]];
426        src[4] = cm_in[top[4]];
427        src[5] = cm_in[top[5]];
428        src[6] = cm_in[top[6]];
429        src[7] = cm_in[top[7]];
430        src += stride;
431    }
432}
433
434/**
435 * Set the intra prediction function pointers.
436 */
437av_cold void ff_h264_pred_init(H264PredContext *h, int codec_id,
438                               const int bit_depth,
439                               int chroma_format_idc)
440{
441#undef FUNC
442#undef FUNCC
443#define FUNC(a, depth) a ## _ ## depth
444#define FUNCC(a, depth) a ## _ ## depth ## _c
445#define FUNCD(a) a ## _c
446
447#define H264_PRED(depth) \
448    h->pred4x4[VERT_PRED           ] = FUNCC(pred4x4_vertical,        depth);\
449    h->pred4x4[HOR_PRED            ] = FUNCC(pred4x4_horizontal,      depth);\
450    h->pred4x4[DC_PRED             ] = FUNCC(pred4x4_dc,              depth);\
451    h->pred4x4[DIAG_DOWN_LEFT_PRED ] = FUNCC(pred4x4_down_left,       depth);\
452    h->pred4x4[DIAG_DOWN_RIGHT_PRED] = FUNCC(pred4x4_down_right,      depth);\
453    h->pred4x4[VERT_RIGHT_PRED     ] = FUNCC(pred4x4_vertical_right,  depth);\
454    h->pred4x4[HOR_DOWN_PRED       ] = FUNCC(pred4x4_horizontal_down, depth);\
455    h->pred4x4[VERT_LEFT_PRED      ] = FUNCC(pred4x4_vertical_left,   depth);\
456    h->pred4x4[HOR_UP_PRED         ] = FUNCC(pred4x4_horizontal_up,   depth);\
457    h->pred4x4[LEFT_DC_PRED        ] = FUNCC(pred4x4_left_dc,         depth);\
458    h->pred4x4[TOP_DC_PRED         ] = FUNCC(pred4x4_top_dc,          depth);\
459    if (depth > 8 || codec_id != AV_CODEC_ID_VP8)\
460        h->pred4x4[DC_128_PRED     ] = FUNCC(pred4x4_128_dc,          depth);\
461\
462    h->pred8x8l[VERT_PRED           ]= FUNCC(pred8x8l_vertical            , depth);\
463    h->pred8x8l[HOR_PRED            ]= FUNCC(pred8x8l_horizontal          , depth);\
464    h->pred8x8l[DC_PRED             ]= FUNCC(pred8x8l_dc                  , depth);\
465    h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= FUNCC(pred8x8l_down_left           , depth);\
466    h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= FUNCC(pred8x8l_down_right          , depth);\
467    h->pred8x8l[VERT_RIGHT_PRED     ]= FUNCC(pred8x8l_vertical_right      , depth);\
468    h->pred8x8l[HOR_DOWN_PRED       ]= FUNCC(pred8x8l_horizontal_down     , depth);\
469    h->pred8x8l[VERT_LEFT_PRED      ]= FUNCC(pred8x8l_vertical_left       , depth);\
470    h->pred8x8l[HOR_UP_PRED         ]= FUNCC(pred8x8l_horizontal_up       , depth);\
471    h->pred8x8l[LEFT_DC_PRED        ]= FUNCC(pred8x8l_left_dc             , depth);\
472    h->pred8x8l[TOP_DC_PRED         ]= FUNCC(pred8x8l_top_dc              , depth);\
473    h->pred8x8l[DC_128_PRED         ]= FUNCC(pred8x8l_128_dc              , depth);\
474\
475    if (chroma_format_idc <= 1) {\
476        h->pred8x8[VERT_PRED8x8   ]= FUNCC(pred8x8_vertical               , depth);\
477        h->pred8x8[HOR_PRED8x8    ]= FUNCC(pred8x8_horizontal             , depth);\
478        h->pred8x8[PLANE_PRED8x8] = FUNCC(pred8x8_plane,       depth);\
479    } else {\
480        h->pred8x8[VERT_PRED8x8   ]= FUNCC(pred8x16_vertical              , depth);\
481        h->pred8x8[HOR_PRED8x8    ]= FUNCC(pred8x16_horizontal            , depth);\
482        h->pred8x8[PLANE_PRED8x8] = FUNCC(pred8x16_plane,      depth);\
483    }\
484    if (depth > 8 || (codec_id != AV_CODEC_ID_RV40 && \
485                      codec_id != AV_CODEC_ID_VP7  && \
486                      codec_id != AV_CODEC_ID_VP8)) { \
487        if (chroma_format_idc <= 1) {\
488            h->pred8x8[DC_PRED8x8     ]= FUNCC(pred8x8_dc                     , depth);\
489            h->pred8x8[LEFT_DC_PRED8x8]= FUNCC(pred8x8_left_dc                , depth);\
490            h->pred8x8[TOP_DC_PRED8x8 ]= FUNCC(pred8x8_top_dc                 , depth);\
491            h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_l0t, depth);\
492            h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_0lt, depth);\
493            h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_l00, depth);\
494            h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= FUNC(pred8x8_mad_cow_dc_0l0, depth);\
495        } else {\
496            h->pred8x8[DC_PRED8x8     ]= FUNCC(pred8x16_dc                    , depth);\
497            h->pred8x8[LEFT_DC_PRED8x8]= FUNCC(pred8x16_left_dc               , depth);\
498            h->pred8x8[TOP_DC_PRED8x8 ]= FUNCC(pred8x16_top_dc                , depth);\
499            h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_l0t, depth);\
500            h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_0lt, depth);\
501            h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_l00, depth);\
502            h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= FUNC(pred8x16_mad_cow_dc_0l0, depth);\
503        }\
504    }else{\
505        h->pred8x8[DC_PRED8x8     ]= FUNCD(pred8x8_dc_rv40);\
506        h->pred8x8[LEFT_DC_PRED8x8]= FUNCD(pred8x8_left_dc_rv40);\
507        h->pred8x8[TOP_DC_PRED8x8 ]= FUNCD(pred8x8_top_dc_rv40);\
508    }\
509    if (chroma_format_idc <= 1) {\
510        h->pred8x8[DC_128_PRED8x8 ]= FUNCC(pred8x8_128_dc                 , depth);\
511    } else {\
512        h->pred8x8[DC_128_PRED8x8 ]= FUNCC(pred8x16_128_dc                , depth);\
513    }\
514\
515    h->pred16x16[DC_PRED8x8     ]= FUNCC(pred16x16_dc                     , depth);\
516    h->pred16x16[VERT_PRED8x8   ]= FUNCC(pred16x16_vertical               , depth);\
517    h->pred16x16[HOR_PRED8x8    ]= FUNCC(pred16x16_horizontal             , depth);\
518    h->pred16x16[PLANE_PRED8x8  ]= FUNCC(pred16x16_plane                  , depth);\
519    h->pred16x16[LEFT_DC_PRED8x8]= FUNCC(pred16x16_left_dc                , depth);\
520    h->pred16x16[TOP_DC_PRED8x8 ]= FUNCC(pred16x16_top_dc                 , depth);\
521    h->pred16x16[DC_128_PRED8x8 ]= FUNCC(pred16x16_128_dc                 , depth);\
522\
523    /* special lossless h/v prediction for H.264 */ \
524    h->pred4x4_add  [VERT_PRED   ]= FUNCC(pred4x4_vertical_add            , depth);\
525    h->pred4x4_add  [ HOR_PRED   ]= FUNCC(pred4x4_horizontal_add          , depth);\
526    h->pred8x8l_add [VERT_PRED   ]= FUNCC(pred8x8l_vertical_add           , depth);\
527    h->pred8x8l_add [ HOR_PRED   ]= FUNCC(pred8x8l_horizontal_add         , depth);\
528    h->pred8x8l_filter_add [VERT_PRED   ]= FUNCC(pred8x8l_vertical_filter_add           , depth);\
529    h->pred8x8l_filter_add [ HOR_PRED   ]= FUNCC(pred8x8l_horizontal_filter_add         , depth);\
530    if (chroma_format_idc <= 1) {\
531        h->pred8x8_add[VERT_PRED8x8] = FUNCC(pred8x8_vertical_add,    depth);\
532        h->pred8x8_add[ HOR_PRED8x8] = FUNCC(pred8x8_horizontal_add,  depth);\
533    } else {\
534        h->pred8x8_add  [VERT_PRED8x8]= FUNCC(pred8x16_vertical_add            , depth);\
535        h->pred8x8_add  [ HOR_PRED8x8]= FUNCC(pred8x16_horizontal_add          , depth);\
536    }\
537    h->pred16x16_add[VERT_PRED8x8]= FUNCC(pred16x16_vertical_add          , depth);\
538    h->pred16x16_add[ HOR_PRED8x8]= FUNCC(pred16x16_horizontal_add        , depth);\
539
540    switch (bit_depth) {
541        case 9:
542            H264_PRED(9)
543            break;
544        case 10:
545            H264_PRED(10)
546            break;
547        case 12:
548            H264_PRED(12)
549            break;
550        case 14:
551            H264_PRED(14)
552            break;
553        default:
554            av_assert0(bit_depth<=8);
555            H264_PRED(8)
556            switch (codec_id) {
557            case AV_CODEC_ID_SVQ3:
558                h->pred4x4[DIAG_DOWN_LEFT_PRED] = FUNCD(pred4x4_down_left_svq3);
559                h->pred16x16[PLANE_PRED8x8    ] = FUNCD(pred16x16_plane_svq3);
560                break;
561            case AV_CODEC_ID_RV40:
562                h->pred4x4[DIAG_DOWN_LEFT_PRED] = FUNCD(pred4x4_down_left_rv40);
563                h->pred4x4[VERT_LEFT_PRED     ] = FUNCD(pred4x4_vertical_left_rv40);
564                h->pred4x4[HOR_UP_PRED        ] = FUNCD(pred4x4_horizontal_up_rv40);
565                h->pred4x4[DIAG_DOWN_LEFT_PRED_RV40_NODOWN] = FUNCD(pred4x4_down_left_rv40_nodown);
566                h->pred4x4[HOR_UP_PRED_RV40_NODOWN] = FUNCD(pred4x4_horizontal_up_rv40_nodown);
567                h->pred4x4[VERT_LEFT_PRED_RV40_NODOWN] = FUNCD(pred4x4_vertical_left_rv40_nodown);
568                h->pred16x16[PLANE_PRED8x8    ] = FUNCD(pred16x16_plane_rv40);
569                break;
570            case AV_CODEC_ID_VP7:
571            case AV_CODEC_ID_VP8:
572                h->pred4x4[VERT_PRED       ] = FUNCD(pred4x4_vertical_vp8);
573                h->pred4x4[HOR_PRED        ] = FUNCD(pred4x4_horizontal_vp8);
574                h->pred4x4[VERT_LEFT_PRED  ] = FUNCD(pred4x4_vertical_left_vp8);
575                h->pred4x4[TM_VP8_PRED     ] = FUNCD(pred4x4_tm_vp8);
576                h->pred4x4[VERT_VP8_PRED   ] = FUNCC(pred4x4_vertical, 8);
577                h->pred4x4[DC_127_PRED     ] = FUNCD(pred4x4_127_dc);
578                h->pred4x4[DC_129_PRED     ] = FUNCD(pred4x4_129_dc);
579                h->pred4x4[HOR_VP8_PRED    ] = FUNCC(pred4x4_horizontal, 8);
580                h->pred8x8[PLANE_PRED8x8   ] = FUNCD(pred8x8_tm_vp8);
581                h->pred8x8[DC_127_PRED8x8  ] = FUNCC(pred8x8_127_dc, 8);
582                h->pred8x8[DC_129_PRED8x8  ] = FUNCC(pred8x8_129_dc, 8);
583                h->pred16x16[PLANE_PRED8x8 ] = FUNCD(pred16x16_tm_vp8);
584                h->pred16x16[DC_127_PRED8x8] = FUNCC(pred16x16_127_dc, 8);
585                h->pred16x16[DC_129_PRED8x8] = FUNCC(pred16x16_129_dc, 8);
586                break;
587            }
588            break;
589    }
590
591#if ARCH_AARCH64
592    ff_h264_pred_init_aarch64(h, codec_id, bit_depth, chroma_format_idc);
593#elif ARCH_ARM
594    ff_h264_pred_init_arm(h, codec_id, bit_depth, chroma_format_idc);
595#elif ARCH_X86
596    ff_h264_pred_init_x86(h, codec_id, bit_depth, chroma_format_idc);
597#elif ARCH_MIPS
598    ff_h264_pred_init_mips(h, codec_id, bit_depth, chroma_format_idc);
599#elif ARCH_LOONGARCH
600    ff_h264_pred_init_loongarch(h, codec_id, bit_depth, chroma_format_idc);
601#endif
602}
603