xref: /third_party/ffmpeg/libavcodec/cavsdsp.c (revision cabdff1a)
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
27#include "idctdsp.h"
28#include "mathops.h"
29#include "cavsdsp.h"
30#include "libavutil/common.h"
31
32/*****************************************************************************
33 *
34 * in-loop deblocking filter
35 *
36 ****************************************************************************/
37
38#define P2 p0_p[-3*stride]
39#define P1 p0_p[-2*stride]
40#define P0 p0_p[-1*stride]
41#define Q0 p0_p[ 0*stride]
42#define Q1 p0_p[ 1*stride]
43#define Q2 p0_p[ 2*stride]
44
45static inline void loop_filter_l2(uint8_t *p0_p, ptrdiff_t stride, int alpha, int beta)
46{
47    int p0 = P0;
48    int q0 = Q0;
49
50    if(abs(p0-q0)<alpha && abs(P1-p0)<beta && abs(Q1-q0)<beta) {
51        int s = p0 + q0 + 2;
52        alpha = (alpha>>2) + 2;
53        if(abs(P2-p0) < beta && abs(p0-q0) < alpha) {
54            P0 = (P1 + p0 + s) >> 2;
55            P1 = (2*P1 + s) >> 2;
56        } else
57            P0 = (2*P1 + s) >> 2;
58        if(abs(Q2-q0) < beta && abs(q0-p0) < alpha) {
59            Q0 = (Q1 + q0 + s) >> 2;
60            Q1 = (2*Q1 + s) >> 2;
61        } else
62            Q0 = (2*Q1 + s) >> 2;
63    }
64}
65
66static inline void loop_filter_l1(uint8_t *p0_p, ptrdiff_t stride, int alpha, int beta, int tc)
67{
68    int p0 = P0;
69    int q0 = Q0;
70
71    if(abs(p0-q0)<alpha && abs(P1-p0)<beta && abs(Q1-q0)<beta) {
72        int delta = av_clip(((q0-p0)*3+P1-Q1+4)>>3,-tc, tc);
73        P0 = av_clip_uint8(p0+delta);
74        Q0 = av_clip_uint8(q0-delta);
75        if(abs(P2-p0)<beta) {
76            delta = av_clip(((P0-P1)*3+P2-Q0+4)>>3, -tc, tc);
77            P1 = av_clip_uint8(P1+delta);
78        }
79        if(abs(Q2-q0)<beta) {
80            delta = av_clip(((Q1-Q0)*3+P0-Q2+4)>>3, -tc, tc);
81            Q1 = av_clip_uint8(Q1-delta);
82        }
83    }
84}
85
86static inline void loop_filter_c2(uint8_t *p0_p, ptrdiff_t stride, int alpha, int beta)
87{
88    int p0 = P0;
89    int q0 = Q0;
90
91    if(abs(p0-q0)<alpha && abs(P1-p0)<beta && abs(Q1-q0)<beta) {
92        int s = p0 + q0 + 2;
93        alpha = (alpha>>2) + 2;
94        if(abs(P2-p0) < beta && abs(p0-q0) < alpha) {
95            P0 = (P1 + p0 + s) >> 2;
96        } else
97            P0 = (2*P1 + s) >> 2;
98        if(abs(Q2-q0) < beta && abs(q0-p0) < alpha) {
99            Q0 = (Q1 + q0 + s) >> 2;
100        } else
101            Q0 = (2*Q1 + s) >> 2;
102    }
103}
104
105static inline void loop_filter_c1(uint8_t *p0_p, ptrdiff_t stride, int alpha, int beta,
106                                  int tc)
107{
108    if(abs(P0-Q0)<alpha && abs(P1-P0)<beta && abs(Q1-Q0)<beta) {
109        int delta = av_clip(((Q0-P0)*3+P1-Q1+4)>>3, -tc, tc);
110        P0 = av_clip_uint8(P0+delta);
111        Q0 = av_clip_uint8(Q0-delta);
112    }
113}
114
115#undef P0
116#undef P1
117#undef P2
118#undef Q0
119#undef Q1
120#undef Q2
121
122static void cavs_filter_lv_c(uint8_t *d, ptrdiff_t stride, int alpha, int beta, int tc,
123                             int bs1, int bs2)
124{
125    int i;
126    if(bs1==2)
127        for(i=0;i<16;i++)
128            loop_filter_l2(d + i*stride,1,alpha,beta);
129    else {
130        if(bs1)
131            for(i=0;i<8;i++)
132                loop_filter_l1(d + i*stride,1,alpha,beta,tc);
133        if (bs2)
134            for(i=8;i<16;i++)
135                loop_filter_l1(d + i*stride,1,alpha,beta,tc);
136    }
137}
138
139static void cavs_filter_lh_c(uint8_t *d, ptrdiff_t stride, int alpha, int beta, int tc,
140                             int bs1, int bs2)
141{
142    int i;
143    if(bs1==2)
144        for(i=0;i<16;i++)
145            loop_filter_l2(d + i,stride,alpha,beta);
146    else {
147        if(bs1)
148            for(i=0;i<8;i++)
149                loop_filter_l1(d + i,stride,alpha,beta,tc);
150        if (bs2)
151            for(i=8;i<16;i++)
152                loop_filter_l1(d + i,stride,alpha,beta,tc);
153    }
154}
155
156static void cavs_filter_cv_c(uint8_t *d, ptrdiff_t stride, int alpha, int beta, int tc,
157                             int bs1, int bs2)
158{
159    int i;
160    if(bs1==2)
161        for(i=0;i<8;i++)
162            loop_filter_c2(d + i*stride,1,alpha,beta);
163    else {
164        if(bs1)
165            for(i=0;i<4;i++)
166                loop_filter_c1(d + i*stride,1,alpha,beta,tc);
167        if (bs2)
168            for(i=4;i<8;i++)
169                loop_filter_c1(d + i*stride,1,alpha,beta,tc);
170    }
171}
172
173static void cavs_filter_ch_c(uint8_t *d, ptrdiff_t stride, int alpha, int beta, int tc,
174                             int bs1, int bs2)
175{
176    int i;
177    if(bs1==2)
178        for(i=0;i<8;i++)
179            loop_filter_c2(d + i,stride,alpha,beta);
180    else {
181        if(bs1)
182            for(i=0;i<4;i++)
183                loop_filter_c1(d + i,stride,alpha,beta,tc);
184        if (bs2)
185            for(i=4;i<8;i++)
186                loop_filter_c1(d + i,stride,alpha,beta,tc);
187    }
188}
189
190/*****************************************************************************
191 *
192 * inverse transform
193 *
194 ****************************************************************************/
195
196static void cavs_idct8_add_c(uint8_t *dst, int16_t *block, ptrdiff_t stride)
197{
198    int i;
199    int16_t (*src)[8] = (int16_t(*)[8])block;
200
201    src[0][0] += 8;
202
203    for( i = 0; i < 8; i++ ) {
204        const int a0 = 3 * src[i][1] - 2 * src[i][7];
205        const int a1 = 3 * src[i][3] + 2 * src[i][5];
206        const int a2 = 2 * src[i][3] - 3 * src[i][5];
207        const int a3 = 2 * src[i][1] + 3 * src[i][7];
208
209        const int b4 = 2 * (a0 + a1 + a3) + a1;
210        const int b5 = 2 * (a0 - a1 + a2) + a0;
211        const int b6 = 2 * (a3 - a2 - a1) + a3;
212        const int b7 = 2 * (a0 - a2 - a3) - a2;
213
214        const int a7 = 4 * src[i][2] - 10 * src[i][6];
215        const int a6 = 4 * src[i][6] + 10 * src[i][2];
216        const int a5 = 8 * (src[i][0] - src[i][4]) + 4;
217        const int a4 = 8 * (src[i][0] + src[i][4]) + 4;
218
219        const int b0 = a4 + a6;
220        const int b1 = a5 + a7;
221        const int b2 = a5 - a7;
222        const int b3 = a4 - a6;
223
224        src[i][0] = (b0 + b4) >> 3;
225        src[i][1] = (b1 + b5) >> 3;
226        src[i][2] = (b2 + b6) >> 3;
227        src[i][3] = (b3 + b7) >> 3;
228        src[i][4] = (b3 - b7) >> 3;
229        src[i][5] = (b2 - b6) >> 3;
230        src[i][6] = (b1 - b5) >> 3;
231        src[i][7] = (b0 - b4) >> 3;
232    }
233    for( i = 0; i < 8; i++ ) {
234        const int a0 = 3 * src[1][i] - 2 * src[7][i];
235        const int a1 = 3 * src[3][i] + 2 * src[5][i];
236        const int a2 = 2 * src[3][i] - 3 * src[5][i];
237        const int a3 = 2 * src[1][i] + 3 * src[7][i];
238
239        const int b4 = 2 * (a0 + a1 + a3) + a1;
240        const int b5 = 2 * (a0 - a1 + a2) + a0;
241        const int b6 = 2 * (a3 - a2 - a1) + a3;
242        const int b7 = 2 * (a0 - a2 - a3) - a2;
243
244        const int a7 = 4 * src[2][i] - 10 * src[6][i];
245        const int a6 = 4 * src[6][i] + 10 * src[2][i];
246        const int a5 = 8 * (src[0][i] - src[4][i]);
247        const int a4 = 8 * (src[0][i] + src[4][i]);
248
249        const int b0 = a4 + a6;
250        const int b1 = a5 + a7;
251        const int b2 = a5 - a7;
252        const int b3 = a4 - a6;
253
254        dst[i + 0*stride] = av_clip_uint8( dst[i + 0*stride] + ((b0 + b4) >> 7));
255        dst[i + 1*stride] = av_clip_uint8( dst[i + 1*stride] + ((b1 + b5) >> 7));
256        dst[i + 2*stride] = av_clip_uint8( dst[i + 2*stride] + ((b2 + b6) >> 7));
257        dst[i + 3*stride] = av_clip_uint8( dst[i + 3*stride] + ((b3 + b7) >> 7));
258        dst[i + 4*stride] = av_clip_uint8( dst[i + 4*stride] + ((b3 - b7) >> 7));
259        dst[i + 5*stride] = av_clip_uint8( dst[i + 5*stride] + ((b2 - b6) >> 7));
260        dst[i + 6*stride] = av_clip_uint8( dst[i + 6*stride] + ((b1 - b5) >> 7));
261        dst[i + 7*stride] = av_clip_uint8( dst[i + 7*stride] + ((b0 - b4) >> 7));
262    }
263}
264
265/*****************************************************************************
266 *
267 * motion compensation
268 *
269 ****************************************************************************/
270
271#define CAVS_SUBPIX(OPNAME, OP, NAME, A, B, C, D, E, F) \
272static void OPNAME ## cavs_filt8_h_ ## NAME(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
273{                                                                       \
274    const int h=8;\
275    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
276    int i;\
277    for(i=0; i<h; i++)\
278    {\
279        OP(dst[0], A*src[-2] + B*src[-1] + C*src[0] + D*src[1] + E*src[2] + F*src[3]);\
280        OP(dst[1], A*src[-1] + B*src[ 0] + C*src[1] + D*src[2] + E*src[3] + F*src[4]);\
281        OP(dst[2], A*src[ 0] + B*src[ 1] + C*src[2] + D*src[3] + E*src[4] + F*src[5]);\
282        OP(dst[3], A*src[ 1] + B*src[ 2] + C*src[3] + D*src[4] + E*src[5] + F*src[6]);\
283        OP(dst[4], A*src[ 2] + B*src[ 3] + C*src[4] + D*src[5] + E*src[6] + F*src[7]);\
284        OP(dst[5], A*src[ 3] + B*src[ 4] + C*src[5] + D*src[6] + E*src[7] + F*src[8]);\
285        OP(dst[6], A*src[ 4] + B*src[ 5] + C*src[6] + D*src[7] + E*src[8] + F*src[9]);\
286        OP(dst[7], A*src[ 5] + B*src[ 6] + C*src[7] + D*src[8] + E*src[9] + F*src[10]);\
287        dst+=dstStride;\
288        src+=srcStride;\
289    }\
290}\
291\
292static void OPNAME ## cavs_filt8_v_  ## NAME(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
293{                                                                       \
294    const int w=8;\
295    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
296    int i;\
297    for(i=0; i<w; i++)\
298    {\
299        const int srcB= src[-2*srcStride];\
300        const int srcA= src[-1*srcStride];\
301        const int src0= src[0 *srcStride];\
302        const int src1= src[1 *srcStride];\
303        const int src2= src[2 *srcStride];\
304        const int src3= src[3 *srcStride];\
305        const int src4= src[4 *srcStride];\
306        const int src5= src[5 *srcStride];\
307        const int src6= src[6 *srcStride];\
308        const int src7= src[7 *srcStride];\
309        const int src8= src[8 *srcStride];\
310        const int src9= src[9 *srcStride];\
311        const int src10= src[10 *srcStride];\
312        OP(dst[0*dstStride], A*srcB + B*srcA + C*src0 + D*src1 + E*src2 + F*src3);\
313        OP(dst[1*dstStride], A*srcA + B*src0 + C*src1 + D*src2 + E*src3 + F*src4);\
314        OP(dst[2*dstStride], A*src0 + B*src1 + C*src2 + D*src3 + E*src4 + F*src5);\
315        OP(dst[3*dstStride], A*src1 + B*src2 + C*src3 + D*src4 + E*src5 + F*src6);\
316        OP(dst[4*dstStride], A*src2 + B*src3 + C*src4 + D*src5 + E*src6 + F*src7);\
317        OP(dst[5*dstStride], A*src3 + B*src4 + C*src5 + D*src6 + E*src7 + F*src8);\
318        OP(dst[6*dstStride], A*src4 + B*src5 + C*src6 + D*src7 + E*src8 + F*src9);\
319        OP(dst[7*dstStride], A*src5 + B*src6 + C*src7 + D*src8 + E*src9 + F*src10);\
320        dst++;\
321        src++;\
322    }\
323}\
324\
325static void OPNAME ## cavs_filt16_v_ ## NAME(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
326{                                                                       \
327    OPNAME ## cavs_filt8_v_ ## NAME(dst  , src  , dstStride, srcStride);\
328    OPNAME ## cavs_filt8_v_ ## NAME(dst+8, src+8, dstStride, srcStride);\
329    src += 8*srcStride;\
330    dst += 8*dstStride;\
331    OPNAME ## cavs_filt8_v_ ## NAME(dst  , src  , dstStride, srcStride);\
332    OPNAME ## cavs_filt8_v_ ## NAME(dst+8, src+8, dstStride, srcStride);\
333}\
334\
335static void OPNAME ## cavs_filt16_h_ ## NAME(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
336{                                                                       \
337    OPNAME ## cavs_filt8_h_ ## NAME(dst  , src  , dstStride, srcStride);\
338    OPNAME ## cavs_filt8_h_ ## NAME(dst+8, src+8, dstStride, srcStride);\
339    src += 8*srcStride;\
340    dst += 8*dstStride;\
341    OPNAME ## cavs_filt8_h_ ## NAME(dst  , src  , dstStride, srcStride);\
342    OPNAME ## cavs_filt8_h_ ## NAME(dst+8, src+8, dstStride, srcStride);\
343}\
344
345#define CAVS_SUBPIX_HV(OPNAME, OP, NAME, AH, BH, CH, DH, EH, FH, AV, BV, CV, DV, EV, FV, FULL) \
346static void OPNAME ## cavs_filt8_hv_ ## NAME(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, ptrdiff_t dstStride, ptrdiff_t srcStride)\
347{                                                                       \
348    int16_t temp[8*(8+5)];\
349    int16_t *tmp = temp;\
350    const int h=8;\
351    const int w=8;\
352    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
353    int i;\
354    src1 -= 2*srcStride;\
355    for(i=0; i<h+5; i++)\
356    {\
357        tmp[0]= AH*src1[-2] + BH*src1[-1] + CH*src1[0] + DH*src1[1] + EH*src1[2] + FH*src1[3];\
358        tmp[1]= AH*src1[-1] + BH*src1[ 0] + CH*src1[1] + DH*src1[2] + EH*src1[3] + FH*src1[4];\
359        tmp[2]= AH*src1[ 0] + BH*src1[ 1] + CH*src1[2] + DH*src1[3] + EH*src1[4] + FH*src1[5];\
360        tmp[3]= AH*src1[ 1] + BH*src1[ 2] + CH*src1[3] + DH*src1[4] + EH*src1[5] + FH*src1[6];\
361        tmp[4]= AH*src1[ 2] + BH*src1[ 3] + CH*src1[4] + DH*src1[5] + EH*src1[6] + FH*src1[7];\
362        tmp[5]= AH*src1[ 3] + BH*src1[ 4] + CH*src1[5] + DH*src1[6] + EH*src1[7] + FH*src1[8];\
363        tmp[6]= AH*src1[ 4] + BH*src1[ 5] + CH*src1[6] + DH*src1[7] + EH*src1[8] + FH*src1[9];\
364        tmp[7]= AH*src1[ 5] + BH*src1[ 6] + CH*src1[7] + DH*src1[8] + EH*src1[9] + FH*src1[10];\
365        tmp+=8;\
366        src1+=srcStride;\
367    }\
368    if(FULL) {\
369      tmp = temp+8*2;                           \
370      for(i=0; i<w; i++)                        \
371        {                                       \
372          const int tmpB= tmp[-2*8];    \
373          const int tmpA= tmp[-1*8];    \
374          const int tmp0= tmp[0 *8];    \
375          const int tmp1= tmp[1 *8];    \
376          const int tmp2= tmp[2 *8];    \
377          const int tmp3= tmp[3 *8];    \
378          const int tmp4= tmp[4 *8];    \
379          const int tmp5= tmp[5 *8];    \
380          const int tmp6= tmp[6 *8];    \
381          const int tmp7= tmp[7 *8];    \
382          const int tmp8= tmp[8 *8];    \
383          const int tmp9= tmp[9 *8];    \
384          const int tmp10=tmp[10*8];                            \
385          OP(dst[0*dstStride], AV*tmpB + BV*tmpA + CV*tmp0 + DV*tmp1 + EV*tmp2 + FV*tmp3 + 64*src2[0*srcStride]); \
386          OP(dst[1*dstStride], AV*tmpA + BV*tmp0 + CV*tmp1 + DV*tmp2 + EV*tmp3 + FV*tmp4 + 64*src2[1*srcStride]); \
387          OP(dst[2*dstStride], AV*tmp0 + BV*tmp1 + CV*tmp2 + DV*tmp3 + EV*tmp4 + FV*tmp5 + 64*src2[2*srcStride]); \
388          OP(dst[3*dstStride], AV*tmp1 + BV*tmp2 + CV*tmp3 + DV*tmp4 + EV*tmp5 + FV*tmp6 + 64*src2[3*srcStride]); \
389          OP(dst[4*dstStride], AV*tmp2 + BV*tmp3 + CV*tmp4 + DV*tmp5 + EV*tmp6 + FV*tmp7 + 64*src2[4*srcStride]); \
390          OP(dst[5*dstStride], AV*tmp3 + BV*tmp4 + CV*tmp5 + DV*tmp6 + EV*tmp7 + FV*tmp8 + 64*src2[5*srcStride]); \
391          OP(dst[6*dstStride], AV*tmp4 + BV*tmp5 + CV*tmp6 + DV*tmp7 + EV*tmp8 + FV*tmp9 + 64*src2[6*srcStride]); \
392          OP(dst[7*dstStride], AV*tmp5 + BV*tmp6 + CV*tmp7 + DV*tmp8 + EV*tmp9 + FV*tmp10 + 64*src2[7*srcStride]); \
393          dst++;                                                        \
394          tmp++;                                                        \
395          src2++;                                                       \
396        }                                                               \
397    } else {\
398      tmp = temp+8*2;                           \
399      for(i=0; i<w; i++)                        \
400        {                                       \
401          const int tmpB= tmp[-2*8];    \
402          const int tmpA= tmp[-1*8];    \
403          const int tmp0= tmp[0 *8];    \
404          const int tmp1= tmp[1 *8];    \
405          const int tmp2= tmp[2 *8];    \
406          const int tmp3= tmp[3 *8];    \
407          const int tmp4= tmp[4 *8];    \
408          const int tmp5= tmp[5 *8];    \
409          const int tmp6= tmp[6 *8];    \
410          const int tmp7= tmp[7 *8];    \
411          const int tmp8= tmp[8 *8];    \
412          const int tmp9= tmp[9 *8];    \
413          const int tmp10=tmp[10*8];                            \
414          OP(dst[0*dstStride], AV*tmpB + BV*tmpA + CV*tmp0 + DV*tmp1 + EV*tmp2 + FV*tmp3); \
415          OP(dst[1*dstStride], AV*tmpA + BV*tmp0 + CV*tmp1 + DV*tmp2 + EV*tmp3 + FV*tmp4); \
416          OP(dst[2*dstStride], AV*tmp0 + BV*tmp1 + CV*tmp2 + DV*tmp3 + EV*tmp4 + FV*tmp5); \
417          OP(dst[3*dstStride], AV*tmp1 + BV*tmp2 + CV*tmp3 + DV*tmp4 + EV*tmp5 + FV*tmp6); \
418          OP(dst[4*dstStride], AV*tmp2 + BV*tmp3 + CV*tmp4 + DV*tmp5 + EV*tmp6 + FV*tmp7); \
419          OP(dst[5*dstStride], AV*tmp3 + BV*tmp4 + CV*tmp5 + DV*tmp6 + EV*tmp7 + FV*tmp8); \
420          OP(dst[6*dstStride], AV*tmp4 + BV*tmp5 + CV*tmp6 + DV*tmp7 + EV*tmp8 + FV*tmp9); \
421          OP(dst[7*dstStride], AV*tmp5 + BV*tmp6 + CV*tmp7 + DV*tmp8 + EV*tmp9 + FV*tmp10); \
422          dst++;                                                        \
423          tmp++;                                                        \
424        }                                                               \
425    }\
426}\
427\
428static void OPNAME ## cavs_filt16_hv_ ## NAME(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, ptrdiff_t dstStride, ptrdiff_t srcStride)\
429{                                                                       \
430    OPNAME ## cavs_filt8_hv_ ## NAME(dst  , src1,   src2  , dstStride, srcStride); \
431    OPNAME ## cavs_filt8_hv_ ## NAME(dst+8, src1+8, src2+8, dstStride, srcStride); \
432    src1 += 8*srcStride;\
433    src2 += 8*srcStride;\
434    dst += 8*dstStride;\
435    OPNAME ## cavs_filt8_hv_ ## NAME(dst  , src1,   src2  , dstStride, srcStride); \
436    OPNAME ## cavs_filt8_hv_ ## NAME(dst+8, src1+8, src2+8, dstStride, srcStride); \
437}\
438
439#define CAVS_MC(OPNAME, SIZE) \
440static void OPNAME ## cavs_qpel ## SIZE ## _mc10_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
441{\
442    OPNAME ## cavs_filt ## SIZE ## _h_qpel_l(dst, src, stride, stride);\
443}\
444\
445static void OPNAME ## cavs_qpel ## SIZE ## _mc20_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
446{\
447    OPNAME ## cavs_filt ## SIZE ## _h_hpel(dst, src, stride, stride);\
448}\
449\
450static void OPNAME ## cavs_qpel ## SIZE ## _mc30_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
451{\
452    OPNAME ## cavs_filt ## SIZE ## _h_qpel_r(dst, src, stride, stride);\
453}\
454\
455static void OPNAME ## cavs_qpel ## SIZE ## _mc01_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
456{\
457    OPNAME ## cavs_filt ## SIZE ## _v_qpel_l(dst, src, stride, stride);\
458}\
459\
460static void OPNAME ## cavs_qpel ## SIZE ## _mc02_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
461{\
462    OPNAME ## cavs_filt ## SIZE ## _v_hpel(dst, src, stride, stride);\
463}\
464\
465static void OPNAME ## cavs_qpel ## SIZE ## _mc03_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
466{\
467    OPNAME ## cavs_filt ## SIZE ## _v_qpel_r(dst, src, stride, stride);\
468}\
469\
470static void OPNAME ## cavs_qpel ## SIZE ## _mc22_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
471{\
472  OPNAME ## cavs_filt ## SIZE ## _hv_jj(dst, src, NULL, stride, stride); \
473}\
474\
475static void OPNAME ## cavs_qpel ## SIZE ## _mc11_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
476{\
477  OPNAME ## cavs_filt ## SIZE ## _hv_egpr(dst, src, src, stride, stride); \
478}\
479\
480static void OPNAME ## cavs_qpel ## SIZE ## _mc13_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
481{\
482  OPNAME ## cavs_filt ## SIZE ## _hv_egpr(dst, src, src+stride, stride, stride); \
483}\
484\
485static void OPNAME ## cavs_qpel ## SIZE ## _mc31_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
486{\
487  OPNAME ## cavs_filt ## SIZE ## _hv_egpr(dst, src, src+1, stride, stride); \
488}\
489\
490static void OPNAME ## cavs_qpel ## SIZE ## _mc33_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
491{\
492  OPNAME ## cavs_filt ## SIZE ## _hv_egpr(dst, src, src+stride+1,stride, stride); \
493}\
494\
495static void OPNAME ## cavs_qpel ## SIZE ## _mc21_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
496{\
497  OPNAME ## cavs_filt ## SIZE ## _hv_ff(dst, src, src+stride+1,stride, stride); \
498}\
499\
500static void OPNAME ## cavs_qpel ## SIZE ## _mc12_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
501{\
502  OPNAME ## cavs_filt ## SIZE ## _hv_ii(dst, src, src+stride+1,stride, stride); \
503}\
504\
505static void OPNAME ## cavs_qpel ## SIZE ## _mc32_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
506{\
507  OPNAME ## cavs_filt ## SIZE ## _hv_kk(dst, src, src+stride+1,stride, stride); \
508}\
509\
510static void OPNAME ## cavs_qpel ## SIZE ## _mc23_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
511{\
512  OPNAME ## cavs_filt ## SIZE ## _hv_qq(dst, src, src+stride+1,stride, stride); \
513}\
514
515#define op_put1(a, b)  a = cm[((b)+4)>>3]
516#define op_put2(a, b)  a = cm[((b)+64)>>7]
517#define op_put3(a, b)  a = cm[((b)+32)>>6]
518#define op_put4(a, b)  a = cm[((b)+512)>>10]
519#define op_avg1(a, b)  a = ((a)+cm[((b)+4)>>3]   +1)>>1
520#define op_avg2(a, b)  a = ((a)+cm[((b)+64)>>7]  +1)>>1
521#define op_avg3(a, b)  a = ((a)+cm[((b)+32)>>6]  +1)>>1
522#define op_avg4(a, b)  a = ((a)+cm[((b)+512)>>10]+1)>>1
523CAVS_SUBPIX(put_   , op_put1, hpel,    0, -1,  5,  5, -1,  0)
524CAVS_SUBPIX(put_   , op_put2, qpel_l, -1, -2, 96, 42, -7,  0)
525CAVS_SUBPIX(put_   , op_put2, qpel_r,  0, -7, 42, 96, -2, -1)
526CAVS_SUBPIX_HV(put_, op_put3, jj,      0, -1,  5,  5, -1,  0,  0, -1,  5,  5, -1, 0, 0)
527CAVS_SUBPIX_HV(put_, op_put4, ff,      0, -1,  5,  5, -1,  0, -1, -2, 96, 42, -7, 0, 0)
528CAVS_SUBPIX_HV(put_, op_put4, ii,     -1, -2, 96, 42, -7,  0,  0, -1,  5,  5, -1, 0, 0)
529CAVS_SUBPIX_HV(put_, op_put4, kk,      0, -7, 42, 96, -2, -1,  0, -1,  5,  5, -1, 0, 0)
530CAVS_SUBPIX_HV(put_, op_put4, qq,      0, -1,  5,  5, -1,  0,  0, -7, 42, 96, -2,-1, 0)
531CAVS_SUBPIX_HV(put_, op_put2, egpr,    0, -1,  5,  5, -1,  0,  0, -1,  5,  5, -1, 0, 1)
532CAVS_SUBPIX(avg_   , op_avg1, hpel,    0, -1,  5,  5, -1,  0)
533CAVS_SUBPIX(avg_   , op_avg2, qpel_l, -1, -2, 96, 42, -7,  0)
534CAVS_SUBPIX(avg_   , op_avg2, qpel_r,  0, -7, 42, 96, -2, -1)
535CAVS_SUBPIX_HV(avg_, op_avg3, jj,      0, -1,  5,  5, -1,  0,  0, -1,  5,  5, -1, 0, 0)
536CAVS_SUBPIX_HV(avg_, op_avg4, ff,      0, -1,  5,  5, -1,  0, -1, -2, 96, 42, -7, 0, 0)
537CAVS_SUBPIX_HV(avg_, op_avg4, ii,     -1, -2, 96, 42, -7,  0,  0, -1,  5,  5, -1, 0, 0)
538CAVS_SUBPIX_HV(avg_, op_avg4, kk,      0, -7, 42, 96, -2, -1,  0, -1,  5,  5, -1, 0, 0)
539CAVS_SUBPIX_HV(avg_, op_avg4, qq,      0, -1,  5,  5, -1,  0,  0, -7, 42, 96, -2,-1, 0)
540CAVS_SUBPIX_HV(avg_, op_avg2, egpr,    0, -1,  5,  5, -1,  0,  0, -1,  5,  5, -1, 0, 1)
541CAVS_MC(put_, 8)
542CAVS_MC(put_, 16)
543CAVS_MC(avg_, 8)
544CAVS_MC(avg_, 16)
545
546#define put_cavs_qpel8_mc00_c  ff_put_pixels8x8_c
547#define avg_cavs_qpel8_mc00_c  ff_avg_pixels8x8_c
548#define put_cavs_qpel16_mc00_c ff_put_pixels16x16_c
549#define avg_cavs_qpel16_mc00_c ff_avg_pixels16x16_c
550
551av_cold void ff_cavsdsp_init(CAVSDSPContext* c, AVCodecContext *avctx) {
552#define dspfunc(PFX, IDX, NUM) \
553    c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_c; \
554    c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_c; \
555    c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_c; \
556    c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_c; \
557    c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_c; \
558    c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_c; \
559    c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_c; \
560    c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_c; \
561    c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_c; \
562    c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_c; \
563    c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_c; \
564    c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_c; \
565    c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_c; \
566    c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_c; \
567    c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_c; \
568    c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_c
569    dspfunc(put_cavs_qpel, 0, 16);
570    dspfunc(put_cavs_qpel, 1, 8);
571    dspfunc(avg_cavs_qpel, 0, 16);
572    dspfunc(avg_cavs_qpel, 1, 8);
573    c->cavs_filter_lv = cavs_filter_lv_c;
574    c->cavs_filter_lh = cavs_filter_lh_c;
575    c->cavs_filter_cv = cavs_filter_cv_c;
576    c->cavs_filter_ch = cavs_filter_ch_c;
577    c->cavs_idct8_add = cavs_idct8_add_c;
578    c->idct_perm = FF_IDCT_PERM_NONE;
579
580#if ARCH_X86
581    ff_cavsdsp_init_x86(c, avctx);
582#endif
583}
584