1/*
2 * Chinese AVS video (AVS1-P2, JiZhun profile) decoder.
3 *
4 * DSP functions
5 *
6 * Copyright (c) 2006  Stefan Gehrer <stefan.gehrer@gmx.de>
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 <stdio.h>
26#include "dsputil.h"
27
28/*****************************************************************************
29 *
30 * in-loop deblocking filter
31 *
32 ****************************************************************************/
33
34#define P2 p0_p[-3*stride]
35#define P1 p0_p[-2*stride]
36#define P0 p0_p[-1*stride]
37#define Q0 p0_p[ 0*stride]
38#define Q1 p0_p[ 1*stride]
39#define Q2 p0_p[ 2*stride]
40
41static inline void loop_filter_l2(uint8_t *p0_p,int stride,int alpha, int beta) {
42    int p0 = P0;
43    int q0 = Q0;
44
45    if(abs(p0-q0)<alpha && abs(P1-p0)<beta && abs(Q1-q0)<beta) {
46        int s = p0 + q0 + 2;
47        alpha = (alpha>>2) + 2;
48        if(abs(P2-p0) < beta && abs(p0-q0) < alpha) {
49            P0 = (P1 + p0 + s) >> 2;
50            P1 = (2*P1 + s) >> 2;
51        } else
52            P0 = (2*P1 + s) >> 2;
53        if(abs(Q2-q0) < beta && abs(q0-p0) < alpha) {
54            Q0 = (Q1 + q0 + s) >> 2;
55            Q1 = (2*Q1 + s) >> 2;
56        } else
57            Q0 = (2*Q1 + s) >> 2;
58    }
59}
60
61static inline void loop_filter_l1(uint8_t *p0_p, int stride, int alpha, int beta, int tc) {
62    int p0 = P0;
63    int q0 = Q0;
64
65    if(abs(p0-q0)<alpha && abs(P1-p0)<beta && abs(Q1-q0)<beta) {
66        int delta = av_clip(((q0-p0)*3+P1-Q1+4)>>3,-tc, tc);
67        P0 = av_clip_uint8(p0+delta);
68        Q0 = av_clip_uint8(q0-delta);
69        if(abs(P2-p0)<beta) {
70            delta = av_clip(((P0-P1)*3+P2-Q0+4)>>3, -tc, tc);
71            P1 = av_clip_uint8(P1+delta);
72        }
73        if(abs(Q2-q0)<beta) {
74            delta = av_clip(((Q1-Q0)*3+P0-Q2+4)>>3, -tc, tc);
75            Q1 = av_clip_uint8(Q1-delta);
76        }
77    }
78}
79
80static inline void loop_filter_c2(uint8_t *p0_p,int stride,int alpha, int beta) {
81    int p0 = P0;
82    int q0 = Q0;
83
84    if(abs(p0-q0)<alpha && abs(P1-p0)<beta && abs(Q1-q0)<beta) {
85        int s = p0 + q0 + 2;
86        alpha = (alpha>>2) + 2;
87        if(abs(P2-p0) < beta && abs(p0-q0) < alpha) {
88            P0 = (P1 + p0 + s) >> 2;
89        } else
90            P0 = (2*P1 + s) >> 2;
91        if(abs(Q2-q0) < beta && abs(q0-p0) < alpha) {
92            Q0 = (Q1 + q0 + s) >> 2;
93        } else
94            Q0 = (2*Q1 + s) >> 2;
95    }
96}
97
98static inline void loop_filter_c1(uint8_t *p0_p,int stride,int alpha, int beta,
99                                  int tc) {
100    if(abs(P0-Q0)<alpha && abs(P1-P0)<beta && abs(Q1-Q0)<beta) {
101        int delta = av_clip(((Q0-P0)*3+P1-Q1+4)>>3, -tc, tc);
102        P0 = av_clip_uint8(P0+delta);
103        Q0 = av_clip_uint8(Q0-delta);
104    }
105}
106
107#undef P0
108#undef P1
109#undef P2
110#undef Q0
111#undef Q1
112#undef Q2
113
114static void cavs_filter_lv_c(uint8_t *d, int stride, int alpha, int beta, int tc,
115                           int bs1, int bs2) {
116    int i;
117    if(bs1==2)
118        for(i=0;i<16;i++)
119            loop_filter_l2(d + i*stride,1,alpha,beta);
120    else {
121        if(bs1)
122            for(i=0;i<8;i++)
123                loop_filter_l1(d + i*stride,1,alpha,beta,tc);
124        if (bs2)
125            for(i=8;i<16;i++)
126                loop_filter_l1(d + i*stride,1,alpha,beta,tc);
127    }
128}
129
130static void cavs_filter_lh_c(uint8_t *d, int stride, int alpha, int beta, int tc,
131                           int bs1, int bs2) {
132    int i;
133    if(bs1==2)
134        for(i=0;i<16;i++)
135            loop_filter_l2(d + i,stride,alpha,beta);
136    else {
137        if(bs1)
138            for(i=0;i<8;i++)
139                loop_filter_l1(d + i,stride,alpha,beta,tc);
140        if (bs2)
141            for(i=8;i<16;i++)
142                loop_filter_l1(d + i,stride,alpha,beta,tc);
143    }
144}
145
146static void cavs_filter_cv_c(uint8_t *d, int stride, int alpha, int beta, int tc,
147                           int bs1, int bs2) {
148    int i;
149    if(bs1==2)
150        for(i=0;i<8;i++)
151            loop_filter_c2(d + i*stride,1,alpha,beta);
152    else {
153        if(bs1)
154            for(i=0;i<4;i++)
155                loop_filter_c1(d + i*stride,1,alpha,beta,tc);
156        if (bs2)
157            for(i=4;i<8;i++)
158                loop_filter_c1(d + i*stride,1,alpha,beta,tc);
159    }
160}
161
162static void cavs_filter_ch_c(uint8_t *d, int stride, int alpha, int beta, int tc,
163                           int bs1, int bs2) {
164    int i;
165    if(bs1==2)
166        for(i=0;i<8;i++)
167            loop_filter_c2(d + i,stride,alpha,beta);
168    else {
169        if(bs1)
170            for(i=0;i<4;i++)
171                loop_filter_c1(d + i,stride,alpha,beta,tc);
172        if (bs2)
173            for(i=4;i<8;i++)
174                loop_filter_c1(d + i,stride,alpha,beta,tc);
175    }
176}
177
178/*****************************************************************************
179 *
180 * inverse transform
181 *
182 ****************************************************************************/
183
184static void cavs_idct8_add_c(uint8_t *dst, DCTELEM *block, int stride) {
185    int i;
186    DCTELEM (*src)[8] = (DCTELEM(*)[8])block;
187    uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
188
189    src[0][0] += 8;
190
191    for( i = 0; i < 8; i++ ) {
192        const int a0 =  3*src[i][1] - (src[i][7]<<1);
193        const int a1 =  3*src[i][3] + (src[i][5]<<1);
194        const int a2 =  (src[i][3]<<1) - 3*src[i][5];
195        const int a3 =  (src[i][1]<<1) + 3*src[i][7];
196
197        const int b4 = ((a0 + a1 + a3)<<1) + a1;
198        const int b5 = ((a0 - a1 + a2)<<1) + a0;
199        const int b6 = ((a3 - a2 - a1)<<1) + a3;
200        const int b7 = ((a0 - a2 - a3)<<1) - a2;
201
202        const int a7 = (src[i][2]<<2) - 10*src[i][6];
203        const int a6 = (src[i][6]<<2) + 10*src[i][2];
204        const int a5 = ((src[i][0] - src[i][4]) << 3) + 4;
205        const int a4 = ((src[i][0] + src[i][4]) << 3) + 4;
206
207        const int b0 = a4 + a6;
208        const int b1 = a5 + a7;
209        const int b2 = a5 - a7;
210        const int b3 = a4 - a6;
211
212        src[i][0] = (b0 + b4) >> 3;
213        src[i][1] = (b1 + b5) >> 3;
214        src[i][2] = (b2 + b6) >> 3;
215        src[i][3] = (b3 + b7) >> 3;
216        src[i][4] = (b3 - b7) >> 3;
217        src[i][5] = (b2 - b6) >> 3;
218        src[i][6] = (b1 - b5) >> 3;
219        src[i][7] = (b0 - b4) >> 3;
220    }
221    for( i = 0; i < 8; i++ ) {
222        const int a0 =  3*src[1][i] - (src[7][i]<<1);
223        const int a1 =  3*src[3][i] + (src[5][i]<<1);
224        const int a2 =  (src[3][i]<<1) - 3*src[5][i];
225        const int a3 =  (src[1][i]<<1) + 3*src[7][i];
226
227        const int b4 = ((a0 + a1 + a3)<<1) + a1;
228        const int b5 = ((a0 - a1 + a2)<<1) + a0;
229        const int b6 = ((a3 - a2 - a1)<<1) + a3;
230        const int b7 = ((a0 - a2 - a3)<<1) - a2;
231
232        const int a7 = (src[2][i]<<2) - 10*src[6][i];
233        const int a6 = (src[6][i]<<2) + 10*src[2][i];
234        const int a5 = (src[0][i] - src[4][i]) << 3;
235        const int a4 = (src[0][i] + src[4][i]) << 3;
236
237        const int b0 = a4 + a6;
238        const int b1 = a5 + a7;
239        const int b2 = a5 - a7;
240        const int b3 = a4 - a6;
241
242        dst[i + 0*stride] = cm[ dst[i + 0*stride] + ((b0 + b4) >> 7)];
243        dst[i + 1*stride] = cm[ dst[i + 1*stride] + ((b1 + b5) >> 7)];
244        dst[i + 2*stride] = cm[ dst[i + 2*stride] + ((b2 + b6) >> 7)];
245        dst[i + 3*stride] = cm[ dst[i + 3*stride] + ((b3 + b7) >> 7)];
246        dst[i + 4*stride] = cm[ dst[i + 4*stride] + ((b3 - b7) >> 7)];
247        dst[i + 5*stride] = cm[ dst[i + 5*stride] + ((b2 - b6) >> 7)];
248        dst[i + 6*stride] = cm[ dst[i + 6*stride] + ((b1 - b5) >> 7)];
249        dst[i + 7*stride] = cm[ dst[i + 7*stride] + ((b0 - b4) >> 7)];
250    }
251}
252
253/*****************************************************************************
254 *
255 * motion compensation
256 *
257 ****************************************************************************/
258
259#define CAVS_SUBPIX(OPNAME, OP, NAME, A, B, C, D, E, F) \
260static void OPNAME ## cavs_filt8_h_ ## NAME(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
261    const int h=8;\
262    uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
263    int i;\
264    for(i=0; i<h; i++)\
265    {\
266        OP(dst[0], A*src[-2] + B*src[-1] + C*src[0] + D*src[1] + E*src[2] + F*src[3]);\
267        OP(dst[1], A*src[-1] + B*src[ 0] + C*src[1] + D*src[2] + E*src[3] + F*src[4]);\
268        OP(dst[2], A*src[ 0] + B*src[ 1] + C*src[2] + D*src[3] + E*src[4] + F*src[5]);\
269        OP(dst[3], A*src[ 1] + B*src[ 2] + C*src[3] + D*src[4] + E*src[5] + F*src[6]);\
270        OP(dst[4], A*src[ 2] + B*src[ 3] + C*src[4] + D*src[5] + E*src[6] + F*src[7]);\
271        OP(dst[5], A*src[ 3] + B*src[ 4] + C*src[5] + D*src[6] + E*src[7] + F*src[8]);\
272        OP(dst[6], A*src[ 4] + B*src[ 5] + C*src[6] + D*src[7] + E*src[8] + F*src[9]);\
273        OP(dst[7], A*src[ 5] + B*src[ 6] + C*src[7] + D*src[8] + E*src[9] + F*src[10]);\
274        dst+=dstStride;\
275        src+=srcStride;\
276    }\
277}\
278\
279static void OPNAME ## cavs_filt8_v_  ## NAME(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
280    const int w=8;\
281    uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
282    int i;\
283    for(i=0; i<w; i++)\
284    {\
285        const int srcB= src[-2*srcStride];\
286        const int srcA= src[-1*srcStride];\
287        const int src0= src[0 *srcStride];\
288        const int src1= src[1 *srcStride];\
289        const int src2= src[2 *srcStride];\
290        const int src3= src[3 *srcStride];\
291        const int src4= src[4 *srcStride];\
292        const int src5= src[5 *srcStride];\
293        const int src6= src[6 *srcStride];\
294        const int src7= src[7 *srcStride];\
295        const int src8= src[8 *srcStride];\
296        const int src9= src[9 *srcStride];\
297        const int src10= src[10 *srcStride];\
298        OP(dst[0*dstStride], A*srcB + B*srcA + C*src0 + D*src1 + E*src2 + F*src3);\
299        OP(dst[1*dstStride], A*srcA + B*src0 + C*src1 + D*src2 + E*src3 + F*src4);\
300        OP(dst[2*dstStride], A*src0 + B*src1 + C*src2 + D*src3 + E*src4 + F*src5);\
301        OP(dst[3*dstStride], A*src1 + B*src2 + C*src3 + D*src4 + E*src5 + F*src6);\
302        OP(dst[4*dstStride], A*src2 + B*src3 + C*src4 + D*src5 + E*src6 + F*src7);\
303        OP(dst[5*dstStride], A*src3 + B*src4 + C*src5 + D*src6 + E*src7 + F*src8);\
304        OP(dst[6*dstStride], A*src4 + B*src5 + C*src6 + D*src7 + E*src8 + F*src9);\
305        OP(dst[7*dstStride], A*src5 + B*src6 + C*src7 + D*src8 + E*src9 + F*src10);\
306        dst++;\
307        src++;\
308    }\
309}\
310\
311static void OPNAME ## cavs_filt16_v_ ## NAME(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
312    OPNAME ## cavs_filt8_v_ ## NAME(dst  , src  , dstStride, srcStride);\
313    OPNAME ## cavs_filt8_v_ ## NAME(dst+8, src+8, dstStride, srcStride);\
314    src += 8*srcStride;\
315    dst += 8*dstStride;\
316    OPNAME ## cavs_filt8_v_ ## NAME(dst  , src  , dstStride, srcStride);\
317    OPNAME ## cavs_filt8_v_ ## NAME(dst+8, src+8, dstStride, srcStride);\
318}\
319\
320static void OPNAME ## cavs_filt16_h_ ## NAME(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
321    OPNAME ## cavs_filt8_h_ ## NAME(dst  , src  , dstStride, srcStride);\
322    OPNAME ## cavs_filt8_h_ ## NAME(dst+8, src+8, dstStride, srcStride);\
323    src += 8*srcStride;\
324    dst += 8*dstStride;\
325    OPNAME ## cavs_filt8_h_ ## NAME(dst  , src  , dstStride, srcStride);\
326    OPNAME ## cavs_filt8_h_ ## NAME(dst+8, src+8, dstStride, srcStride);\
327}\
328
329#define CAVS_SUBPIX_HV(OPNAME, OP, NAME, AH, BH, CH, DH, EH, FH, AV, BV, CV, DV, EV, FV, FULL) \
330static void OPNAME ## cavs_filt8_hv_ ## NAME(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int srcStride){\
331    int16_t temp[8*(8+5)];\
332    int16_t *tmp = temp;\
333    const int h=8;\
334    const int w=8;\
335    uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
336    int i;\
337    src1 -= 2*srcStride;\
338    for(i=0; i<h+5; i++)\
339    {\
340        tmp[0]= AH*src1[-2] + BH*src1[-1] + CH*src1[0] + DH*src1[1] + EH*src1[2] + FH*src1[3];\
341        tmp[1]= AH*src1[-1] + BH*src1[ 0] + CH*src1[1] + DH*src1[2] + EH*src1[3] + FH*src1[4];\
342        tmp[2]= AH*src1[ 0] + BH*src1[ 1] + CH*src1[2] + DH*src1[3] + EH*src1[4] + FH*src1[5];\
343        tmp[3]= AH*src1[ 1] + BH*src1[ 2] + CH*src1[3] + DH*src1[4] + EH*src1[5] + FH*src1[6];\
344        tmp[4]= AH*src1[ 2] + BH*src1[ 3] + CH*src1[4] + DH*src1[5] + EH*src1[6] + FH*src1[7];\
345        tmp[5]= AH*src1[ 3] + BH*src1[ 4] + CH*src1[5] + DH*src1[6] + EH*src1[7] + FH*src1[8];\
346        tmp[6]= AH*src1[ 4] + BH*src1[ 5] + CH*src1[6] + DH*src1[7] + EH*src1[8] + FH*src1[9];\
347        tmp[7]= AH*src1[ 5] + BH*src1[ 6] + CH*src1[7] + DH*src1[8] + EH*src1[9] + FH*src1[10];\
348        tmp+=8;\
349        src1+=srcStride;\
350    }\
351    if(FULL) {\
352      tmp = temp+8*2;                           \
353      for(i=0; i<w; i++)                        \
354        {                                       \
355          const int tmpB= tmp[-2*8];    \
356          const int tmpA= tmp[-1*8];    \
357          const int tmp0= tmp[0 *8];    \
358          const int tmp1= tmp[1 *8];    \
359          const int tmp2= tmp[2 *8];    \
360          const int tmp3= tmp[3 *8];    \
361          const int tmp4= tmp[4 *8];    \
362          const int tmp5= tmp[5 *8];    \
363          const int tmp6= tmp[6 *8];    \
364          const int tmp7= tmp[7 *8];    \
365          const int tmp8= tmp[8 *8];    \
366          const int tmp9= tmp[9 *8];    \
367          const int tmp10=tmp[10*8];                            \
368          OP(dst[0*dstStride], AV*tmpB + BV*tmpA + CV*tmp0 + DV*tmp1 + EV*tmp2 + FV*tmp3 + 64*src2[0*srcStride]); \
369          OP(dst[1*dstStride], AV*tmpA + BV*tmp0 + CV*tmp1 + DV*tmp2 + EV*tmp3 + FV*tmp4 + 64*src2[1*srcStride]); \
370          OP(dst[2*dstStride], AV*tmp0 + BV*tmp1 + CV*tmp2 + DV*tmp3 + EV*tmp4 + FV*tmp5 + 64*src2[2*srcStride]); \
371          OP(dst[3*dstStride], AV*tmp1 + BV*tmp2 + CV*tmp3 + DV*tmp4 + EV*tmp5 + FV*tmp6 + 64*src2[3*srcStride]); \
372          OP(dst[4*dstStride], AV*tmp2 + BV*tmp3 + CV*tmp4 + DV*tmp5 + EV*tmp6 + FV*tmp7 + 64*src2[4*srcStride]); \
373          OP(dst[5*dstStride], AV*tmp3 + BV*tmp4 + CV*tmp5 + DV*tmp6 + EV*tmp7 + FV*tmp8 + 64*src2[5*srcStride]); \
374          OP(dst[6*dstStride], AV*tmp4 + BV*tmp5 + CV*tmp6 + DV*tmp7 + EV*tmp8 + FV*tmp9 + 64*src2[6*srcStride]); \
375          OP(dst[7*dstStride], AV*tmp5 + BV*tmp6 + CV*tmp7 + DV*tmp8 + EV*tmp9 + FV*tmp10 + 64*src2[7*srcStride]); \
376          dst++;                                                        \
377          tmp++;                                                        \
378          src2++;                                                       \
379        }                                                               \
380    } else {\
381      tmp = temp+8*2;                           \
382      for(i=0; i<w; i++)                        \
383        {                                       \
384          const int tmpB= tmp[-2*8];    \
385          const int tmpA= tmp[-1*8];    \
386          const int tmp0= tmp[0 *8];    \
387          const int tmp1= tmp[1 *8];    \
388          const int tmp2= tmp[2 *8];    \
389          const int tmp3= tmp[3 *8];    \
390          const int tmp4= tmp[4 *8];    \
391          const int tmp5= tmp[5 *8];    \
392          const int tmp6= tmp[6 *8];    \
393          const int tmp7= tmp[7 *8];    \
394          const int tmp8= tmp[8 *8];    \
395          const int tmp9= tmp[9 *8];    \
396          const int tmp10=tmp[10*8];                            \
397          OP(dst[0*dstStride], AV*tmpB + BV*tmpA + CV*tmp0 + DV*tmp1 + EV*tmp2 + FV*tmp3); \
398          OP(dst[1*dstStride], AV*tmpA + BV*tmp0 + CV*tmp1 + DV*tmp2 + EV*tmp3 + FV*tmp4); \
399          OP(dst[2*dstStride], AV*tmp0 + BV*tmp1 + CV*tmp2 + DV*tmp3 + EV*tmp4 + FV*tmp5); \
400          OP(dst[3*dstStride], AV*tmp1 + BV*tmp2 + CV*tmp3 + DV*tmp4 + EV*tmp5 + FV*tmp6); \
401          OP(dst[4*dstStride], AV*tmp2 + BV*tmp3 + CV*tmp4 + DV*tmp5 + EV*tmp6 + FV*tmp7); \
402          OP(dst[5*dstStride], AV*tmp3 + BV*tmp4 + CV*tmp5 + DV*tmp6 + EV*tmp7 + FV*tmp8); \
403          OP(dst[6*dstStride], AV*tmp4 + BV*tmp5 + CV*tmp6 + DV*tmp7 + EV*tmp8 + FV*tmp9); \
404          OP(dst[7*dstStride], AV*tmp5 + BV*tmp6 + CV*tmp7 + DV*tmp8 + EV*tmp9 + FV*tmp10); \
405          dst++;                                                        \
406          tmp++;                                                        \
407        }                                                               \
408    }\
409}\
410\
411static void OPNAME ## cavs_filt16_hv_ ## NAME(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int srcStride){ \
412    OPNAME ## cavs_filt8_hv_ ## NAME(dst  , src1,   src2  , dstStride, srcStride); \
413    OPNAME ## cavs_filt8_hv_ ## NAME(dst+8, src1+8, src2+8, dstStride, srcStride); \
414    src1 += 8*srcStride;\
415    src2 += 8*srcStride;\
416    dst += 8*dstStride;\
417    OPNAME ## cavs_filt8_hv_ ## NAME(dst  , src1,   src2  , dstStride, srcStride); \
418    OPNAME ## cavs_filt8_hv_ ## NAME(dst+8, src1+8, src2+8, dstStride, srcStride); \
419}\
420
421#define CAVS_MC(OPNAME, SIZE) \
422static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc10_c(uint8_t *dst, uint8_t *src, int stride){\
423    OPNAME ## cavs_filt ## SIZE ## _h_qpel_l(dst, src, stride, stride);\
424}\
425\
426static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc20_c(uint8_t *dst, uint8_t *src, int stride){\
427    OPNAME ## cavs_filt ## SIZE ## _h_hpel(dst, src, stride, stride);\
428}\
429\
430static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc30_c(uint8_t *dst, uint8_t *src, int stride){\
431    OPNAME ## cavs_filt ## SIZE ## _h_qpel_r(dst, src, stride, stride);\
432}\
433\
434static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc01_c(uint8_t *dst, uint8_t *src, int stride){\
435    OPNAME ## cavs_filt ## SIZE ## _v_qpel_l(dst, src, stride, stride);\
436}\
437\
438static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc02_c(uint8_t *dst, uint8_t *src, int stride){\
439    OPNAME ## cavs_filt ## SIZE ## _v_hpel(dst, src, stride, stride);\
440}\
441\
442static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc03_c(uint8_t *dst, uint8_t *src, int stride){\
443    OPNAME ## cavs_filt ## SIZE ## _v_qpel_r(dst, src, stride, stride);\
444}\
445\
446static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc22_c(uint8_t *dst, uint8_t *src, int stride){\
447  OPNAME ## cavs_filt ## SIZE ## _hv_jj(dst, src, NULL, stride, stride); \
448}\
449\
450static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc11_c(uint8_t *dst, uint8_t *src, int stride){\
451  OPNAME ## cavs_filt ## SIZE ## _hv_egpr(dst, src, src, stride, stride); \
452}\
453\
454static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc13_c(uint8_t *dst, uint8_t *src, int stride){\
455  OPNAME ## cavs_filt ## SIZE ## _hv_egpr(dst, src, src+stride, stride, stride); \
456}\
457\
458static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc31_c(uint8_t *dst, uint8_t *src, int stride){\
459  OPNAME ## cavs_filt ## SIZE ## _hv_egpr(dst, src, src+1, stride, stride); \
460}\
461\
462static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc33_c(uint8_t *dst, uint8_t *src, int stride){\
463  OPNAME ## cavs_filt ## SIZE ## _hv_egpr(dst, src, src+stride+1,stride, stride); \
464}\
465\
466static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc21_c(uint8_t *dst, uint8_t *src, int stride){\
467  OPNAME ## cavs_filt ## SIZE ## _hv_ff(dst, src, src+stride+1,stride, stride); \
468}\
469\
470static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc12_c(uint8_t *dst, uint8_t *src, int stride){\
471  OPNAME ## cavs_filt ## SIZE ## _hv_ii(dst, src, src+stride+1,stride, stride); \
472}\
473\
474static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc32_c(uint8_t *dst, uint8_t *src, int stride){\
475  OPNAME ## cavs_filt ## SIZE ## _hv_kk(dst, src, src+stride+1,stride, stride); \
476}\
477\
478static void ff_ ## OPNAME ## cavs_qpel ## SIZE ## _mc23_c(uint8_t *dst, uint8_t *src, int stride){\
479  OPNAME ## cavs_filt ## SIZE ## _hv_qq(dst, src, src+stride+1,stride, stride); \
480}\
481
482#define op_put1(a, b)  a = cm[((b)+4)>>3]
483#define op_put2(a, b)  a = cm[((b)+64)>>7]
484#define op_put3(a, b)  a = cm[((b)+32)>>6]
485#define op_put4(a, b)  a = cm[((b)+512)>>10]
486#define op_avg1(a, b)  a = ((a)+cm[((b)+4)>>3]   +1)>>1
487#define op_avg2(a, b)  a = ((a)+cm[((b)+64)>>7]  +1)>>1
488#define op_avg3(a, b)  a = ((a)+cm[((b)+32)>>6]  +1)>>1
489#define op_avg4(a, b)  a = ((a)+cm[((b)+512)>>10]+1)>>1
490CAVS_SUBPIX(put_   , op_put1, hpel,    0, -1,  5,  5, -1,  0)
491CAVS_SUBPIX(put_   , op_put2, qpel_l, -1, -2, 96, 42, -7,  0)
492CAVS_SUBPIX(put_   , op_put2, qpel_r,  0, -7, 42, 96, -2, -1)
493CAVS_SUBPIX_HV(put_, op_put3, jj,      0, -1,  5,  5, -1,  0,  0, -1,  5,  5, -1, 0, 0)
494CAVS_SUBPIX_HV(put_, op_put4, ff,      0, -1,  5,  5, -1,  0, -1, -2, 96, 42, -7, 0, 0)
495CAVS_SUBPIX_HV(put_, op_put4, ii,     -1, -2, 96, 42, -7,  0,  0, -1,  5,  5, -1, 0, 0)
496CAVS_SUBPIX_HV(put_, op_put4, kk,      0, -7, 42, 96, -2, -1,  0, -1,  5,  5, -1, 0, 0)
497CAVS_SUBPIX_HV(put_, op_put4, qq,      0, -1,  5,  5, -1,  0,  0, -7, 42, 96, -2,-1, 0)
498CAVS_SUBPIX_HV(put_, op_put2, egpr,    0, -1,  5,  5, -1,  0,  0, -1,  5,  5, -1, 0, 1)
499CAVS_SUBPIX(avg_   , op_avg1, hpel,    0, -1,  5,  5, -1,  0)
500CAVS_SUBPIX(avg_   , op_avg2, qpel_l, -1, -2, 96, 42, -7,  0)
501CAVS_SUBPIX(avg_   , op_avg2, qpel_r,  0, -7, 42, 96, -2, -1)
502CAVS_SUBPIX_HV(avg_, op_avg3, jj,      0, -1,  5,  5, -1,  0,  0, -1,  5,  5, -1, 0, 0)
503CAVS_SUBPIX_HV(avg_, op_avg4, ff,      0, -1,  5,  5, -1,  0, -1, -2, 96, 42, -7, 0, 0)
504CAVS_SUBPIX_HV(avg_, op_avg4, ii,     -1, -2, 96, 42, -7,  0,  0, -1,  5,  5, -1, 0, 0)
505CAVS_SUBPIX_HV(avg_, op_avg4, kk,      0, -7, 42, 96, -2, -1,  0, -1,  5,  5, -1, 0, 0)
506CAVS_SUBPIX_HV(avg_, op_avg4, qq,      0, -1,  5,  5, -1,  0,  0, -7, 42, 96, -2,-1, 0)
507CAVS_SUBPIX_HV(avg_, op_avg2, egpr,    0, -1,  5,  5, -1,  0,  0, -1,  5,  5, -1, 0, 1)
508CAVS_MC(put_, 8)
509CAVS_MC(put_, 16)
510CAVS_MC(avg_, 8)
511CAVS_MC(avg_, 16)
512
513void ff_put_cavs_qpel8_mc00_c(uint8_t *dst, uint8_t *src, int stride);
514void ff_avg_cavs_qpel8_mc00_c(uint8_t *dst, uint8_t *src, int stride);
515void ff_put_cavs_qpel16_mc00_c(uint8_t *dst, uint8_t *src, int stride);
516void ff_avg_cavs_qpel16_mc00_c(uint8_t *dst, uint8_t *src, int stride);
517
518void ff_cavsdsp_init(DSPContext* c, AVCodecContext *avctx) {
519#define dspfunc(PFX, IDX, NUM) \
520    c->PFX ## _pixels_tab[IDX][ 0] = ff_ ## PFX ## NUM ## _mc00_c; \
521    c->PFX ## _pixels_tab[IDX][ 1] = ff_ ## PFX ## NUM ## _mc10_c; \
522    c->PFX ## _pixels_tab[IDX][ 2] = ff_ ## PFX ## NUM ## _mc20_c; \
523    c->PFX ## _pixels_tab[IDX][ 3] = ff_ ## PFX ## NUM ## _mc30_c; \
524    c->PFX ## _pixels_tab[IDX][ 4] = ff_ ## PFX ## NUM ## _mc01_c; \
525    c->PFX ## _pixels_tab[IDX][ 5] = ff_ ## PFX ## NUM ## _mc11_c; \
526    c->PFX ## _pixels_tab[IDX][ 6] = ff_ ## PFX ## NUM ## _mc21_c; \
527    c->PFX ## _pixels_tab[IDX][ 7] = ff_ ## PFX ## NUM ## _mc31_c; \
528    c->PFX ## _pixels_tab[IDX][ 8] = ff_ ## PFX ## NUM ## _mc02_c; \
529    c->PFX ## _pixels_tab[IDX][ 9] = ff_ ## PFX ## NUM ## _mc12_c; \
530    c->PFX ## _pixels_tab[IDX][10] = ff_ ## PFX ## NUM ## _mc22_c; \
531    c->PFX ## _pixels_tab[IDX][11] = ff_ ## PFX ## NUM ## _mc32_c; \
532    c->PFX ## _pixels_tab[IDX][12] = ff_ ## PFX ## NUM ## _mc03_c; \
533    c->PFX ## _pixels_tab[IDX][13] = ff_ ## PFX ## NUM ## _mc13_c; \
534    c->PFX ## _pixels_tab[IDX][14] = ff_ ## PFX ## NUM ## _mc23_c; \
535    c->PFX ## _pixels_tab[IDX][15] = ff_ ## PFX ## NUM ## _mc33_c
536    dspfunc(put_cavs_qpel, 0, 16);
537    dspfunc(put_cavs_qpel, 1, 8);
538    dspfunc(avg_cavs_qpel, 0, 16);
539    dspfunc(avg_cavs_qpel, 1, 8);
540    c->cavs_filter_lv = cavs_filter_lv_c;
541    c->cavs_filter_lh = cavs_filter_lh_c;
542    c->cavs_filter_cv = cavs_filter_cv_c;
543    c->cavs_filter_ch = cavs_filter_ch_c;
544    c->cavs_idct8_add = cavs_idct8_add_c;
545}
546