eac3dec: get right of unnecessary left shifts in 16-bit * 24-bit
[FFMpeg-mirror/lagarith.git] / libavcodec / vc1dsp.c
blob5773ab1e3c7dd64a4287e90cd5b362fe1320225f
1 /*
2 * VC-1 and WMV3 decoder - DSP functions
3 * Copyright (c) 2006 Konstantin Shishkov
5 * This file is part of FFmpeg.
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.
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.
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
22 /**
23 * @file libavcodec/vc1dsp.c
24 * VC-1 and WMV3 decoder
28 #include "dsputil.h"
31 /** Apply overlap transform to horizontal edge
33 static void vc1_v_overlap_c(uint8_t* src, int stride)
35 int i;
36 int a, b, c, d;
37 int d1, d2;
38 int rnd = 1;
39 for(i = 0; i < 8; i++) {
40 a = src[-2*stride];
41 b = src[-stride];
42 c = src[0];
43 d = src[stride];
44 d1 = (a - d + 3 + rnd) >> 3;
45 d2 = (a - d + b - c + 4 - rnd) >> 3;
47 src[-2*stride] = a - d1;
48 src[-stride] = av_clip_uint8(b - d2);
49 src[0] = av_clip_uint8(c + d2);
50 src[stride] = d + d1;
51 src++;
52 rnd = !rnd;
56 /** Apply overlap transform to vertical edge
58 static void vc1_h_overlap_c(uint8_t* src, int stride)
60 int i;
61 int a, b, c, d;
62 int d1, d2;
63 int rnd = 1;
64 for(i = 0; i < 8; i++) {
65 a = src[-2];
66 b = src[-1];
67 c = src[0];
68 d = src[1];
69 d1 = (a - d + 3 + rnd) >> 3;
70 d2 = (a - d + b - c + 4 - rnd) >> 3;
72 src[-2] = a - d1;
73 src[-1] = av_clip_uint8(b - d2);
74 src[0] = av_clip_uint8(c + d2);
75 src[1] = d + d1;
76 src += stride;
77 rnd = !rnd;
81 /**
82 * VC-1 in-loop deblocking filter for one line
83 * @param src source block type
84 * @param stride block stride
85 * @param pq block quantizer
86 * @return whether other 3 pairs should be filtered or not
87 * @see 8.6
89 static av_always_inline int vc1_filter_line(uint8_t* src, int stride, int pq){
90 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
92 int a0 = (2*(src[-2*stride] - src[ 1*stride]) - 5*(src[-1*stride] - src[ 0*stride]) + 4) >> 3;
93 int a0_sign = a0 >> 31; /* Store sign */
94 a0 = (a0 ^ a0_sign) - a0_sign; /* a0 = FFABS(a0); */
95 if(a0 < pq){
96 int a1 = FFABS((2*(src[-4*stride] - src[-1*stride]) - 5*(src[-3*stride] - src[-2*stride]) + 4) >> 3);
97 int a2 = FFABS((2*(src[ 0*stride] - src[ 3*stride]) - 5*(src[ 1*stride] - src[ 2*stride]) + 4) >> 3);
98 if(a1 < a0 || a2 < a0){
99 int clip = src[-1*stride] - src[ 0*stride];
100 int clip_sign = clip >> 31;
101 clip = ((clip ^ clip_sign) - clip_sign)>>1;
102 if(clip){
103 int a3 = FFMIN(a1, a2);
104 int d = 5 * (a3 - a0);
105 int d_sign = (d >> 31);
106 d = ((d ^ d_sign) - d_sign) >> 3;
107 d_sign ^= a0_sign;
109 if( d_sign ^ clip_sign )
110 d = 0;
111 else{
112 d = FFMIN(d, clip);
113 d = (d ^ d_sign) - d_sign; /* Restore sign */
114 src[-1*stride] = cm[src[-1*stride] - d];
115 src[ 0*stride] = cm[src[ 0*stride] + d];
117 return 1;
121 return 0;
125 * VC-1 in-loop deblocking filter
126 * @param src source block type
127 * @param step distance between horizontally adjacent elements
128 * @param stride distance between vertically adjacent elements
129 * @param len edge length to filter (4 or 8 pixels)
130 * @param pq block quantizer
131 * @see 8.6
133 static inline void vc1_loop_filter(uint8_t* src, int step, int stride, int len, int pq)
135 int i;
136 int filt3;
138 for(i = 0; i < len; i += 4){
139 filt3 = vc1_filter_line(src + 2*step, stride, pq);
140 if(filt3){
141 vc1_filter_line(src + 0*step, stride, pq);
142 vc1_filter_line(src + 1*step, stride, pq);
143 vc1_filter_line(src + 3*step, stride, pq);
145 src += step * 4;
149 static void vc1_v_loop_filter4_c(uint8_t *src, int stride, int pq)
151 vc1_loop_filter(src, 1, stride, 4, pq);
154 static void vc1_h_loop_filter4_c(uint8_t *src, int stride, int pq)
156 vc1_loop_filter(src, stride, 1, 4, pq);
159 static void vc1_v_loop_filter8_c(uint8_t *src, int stride, int pq)
161 vc1_loop_filter(src, 1, stride, 8, pq);
164 static void vc1_h_loop_filter8_c(uint8_t *src, int stride, int pq)
166 vc1_loop_filter(src, stride, 1, 8, pq);
169 static void vc1_v_loop_filter16_c(uint8_t *src, int stride, int pq)
171 vc1_loop_filter(src, 1, stride, 16, pq);
174 static void vc1_h_loop_filter16_c(uint8_t *src, int stride, int pq)
176 vc1_loop_filter(src, stride, 1, 16, pq);
179 /** Do inverse transform on 8x8 block
181 static void vc1_inv_trans_8x8_c(DCTELEM block[64])
183 int i;
184 register int t1,t2,t3,t4,t5,t6,t7,t8;
185 DCTELEM *src, *dst;
187 src = block;
188 dst = block;
189 for(i = 0; i < 8; i++){
190 t1 = 12 * (src[0] + src[4]) + 4;
191 t2 = 12 * (src[0] - src[4]) + 4;
192 t3 = 16 * src[2] + 6 * src[6];
193 t4 = 6 * src[2] - 16 * src[6];
195 t5 = t1 + t3;
196 t6 = t2 + t4;
197 t7 = t2 - t4;
198 t8 = t1 - t3;
200 t1 = 16 * src[1] + 15 * src[3] + 9 * src[5] + 4 * src[7];
201 t2 = 15 * src[1] - 4 * src[3] - 16 * src[5] - 9 * src[7];
202 t3 = 9 * src[1] - 16 * src[3] + 4 * src[5] + 15 * src[7];
203 t4 = 4 * src[1] - 9 * src[3] + 15 * src[5] - 16 * src[7];
205 dst[0] = (t5 + t1) >> 3;
206 dst[1] = (t6 + t2) >> 3;
207 dst[2] = (t7 + t3) >> 3;
208 dst[3] = (t8 + t4) >> 3;
209 dst[4] = (t8 - t4) >> 3;
210 dst[5] = (t7 - t3) >> 3;
211 dst[6] = (t6 - t2) >> 3;
212 dst[7] = (t5 - t1) >> 3;
214 src += 8;
215 dst += 8;
218 src = block;
219 dst = block;
220 for(i = 0; i < 8; i++){
221 t1 = 12 * (src[ 0] + src[32]) + 64;
222 t2 = 12 * (src[ 0] - src[32]) + 64;
223 t3 = 16 * src[16] + 6 * src[48];
224 t4 = 6 * src[16] - 16 * src[48];
226 t5 = t1 + t3;
227 t6 = t2 + t4;
228 t7 = t2 - t4;
229 t8 = t1 - t3;
231 t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56];
232 t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56];
233 t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
234 t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
236 dst[ 0] = (t5 + t1) >> 7;
237 dst[ 8] = (t6 + t2) >> 7;
238 dst[16] = (t7 + t3) >> 7;
239 dst[24] = (t8 + t4) >> 7;
240 dst[32] = (t8 - t4 + 1) >> 7;
241 dst[40] = (t7 - t3 + 1) >> 7;
242 dst[48] = (t6 - t2 + 1) >> 7;
243 dst[56] = (t5 - t1 + 1) >> 7;
245 src++;
246 dst++;
250 /** Do inverse transform on 8x4 part of block
252 static void vc1_inv_trans_8x4_c(uint8_t *dest, int linesize, DCTELEM *block)
254 int i;
255 register int t1,t2,t3,t4,t5,t6,t7,t8;
256 DCTELEM *src, *dst;
257 const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
259 src = block;
260 dst = block;
261 for(i = 0; i < 4; i++){
262 t1 = 12 * (src[0] + src[4]) + 4;
263 t2 = 12 * (src[0] - src[4]) + 4;
264 t3 = 16 * src[2] + 6 * src[6];
265 t4 = 6 * src[2] - 16 * src[6];
267 t5 = t1 + t3;
268 t6 = t2 + t4;
269 t7 = t2 - t4;
270 t8 = t1 - t3;
272 t1 = 16 * src[1] + 15 * src[3] + 9 * src[5] + 4 * src[7];
273 t2 = 15 * src[1] - 4 * src[3] - 16 * src[5] - 9 * src[7];
274 t3 = 9 * src[1] - 16 * src[3] + 4 * src[5] + 15 * src[7];
275 t4 = 4 * src[1] - 9 * src[3] + 15 * src[5] - 16 * src[7];
277 dst[0] = (t5 + t1) >> 3;
278 dst[1] = (t6 + t2) >> 3;
279 dst[2] = (t7 + t3) >> 3;
280 dst[3] = (t8 + t4) >> 3;
281 dst[4] = (t8 - t4) >> 3;
282 dst[5] = (t7 - t3) >> 3;
283 dst[6] = (t6 - t2) >> 3;
284 dst[7] = (t5 - t1) >> 3;
286 src += 8;
287 dst += 8;
290 src = block;
291 for(i = 0; i < 8; i++){
292 t1 = 17 * (src[ 0] + src[16]) + 64;
293 t2 = 17 * (src[ 0] - src[16]) + 64;
294 t3 = 22 * src[ 8] + 10 * src[24];
295 t4 = 22 * src[24] - 10 * src[ 8];
297 dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3) >> 7)];
298 dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)];
299 dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)];
300 dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)];
302 src ++;
303 dest++;
307 /** Do inverse transform on 4x8 parts of block
309 static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, DCTELEM *block)
311 int i;
312 register int t1,t2,t3,t4,t5,t6,t7,t8;
313 DCTELEM *src, *dst;
314 const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
316 src = block;
317 dst = block;
318 for(i = 0; i < 8; i++){
319 t1 = 17 * (src[0] + src[2]) + 4;
320 t2 = 17 * (src[0] - src[2]) + 4;
321 t3 = 22 * src[1] + 10 * src[3];
322 t4 = 22 * src[3] - 10 * src[1];
324 dst[0] = (t1 + t3) >> 3;
325 dst[1] = (t2 - t4) >> 3;
326 dst[2] = (t2 + t4) >> 3;
327 dst[3] = (t1 - t3) >> 3;
329 src += 8;
330 dst += 8;
333 src = block;
334 for(i = 0; i < 4; i++){
335 t1 = 12 * (src[ 0] + src[32]) + 64;
336 t2 = 12 * (src[ 0] - src[32]) + 64;
337 t3 = 16 * src[16] + 6 * src[48];
338 t4 = 6 * src[16] - 16 * src[48];
340 t5 = t1 + t3;
341 t6 = t2 + t4;
342 t7 = t2 - t4;
343 t8 = t1 - t3;
345 t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56];
346 t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56];
347 t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
348 t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
350 dest[0*linesize] = cm[dest[0*linesize] + ((t5 + t1) >> 7)];
351 dest[1*linesize] = cm[dest[1*linesize] + ((t6 + t2) >> 7)];
352 dest[2*linesize] = cm[dest[2*linesize] + ((t7 + t3) >> 7)];
353 dest[3*linesize] = cm[dest[3*linesize] + ((t8 + t4) >> 7)];
354 dest[4*linesize] = cm[dest[4*linesize] + ((t8 - t4 + 1) >> 7)];
355 dest[5*linesize] = cm[dest[5*linesize] + ((t7 - t3 + 1) >> 7)];
356 dest[6*linesize] = cm[dest[6*linesize] + ((t6 - t2 + 1) >> 7)];
357 dest[7*linesize] = cm[dest[7*linesize] + ((t5 - t1 + 1) >> 7)];
359 src ++;
360 dest++;
364 /** Do inverse transform on 4x4 part of block
366 static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, DCTELEM *block)
368 int i;
369 register int t1,t2,t3,t4;
370 DCTELEM *src, *dst;
371 const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
373 src = block;
374 dst = block;
375 for(i = 0; i < 4; i++){
376 t1 = 17 * (src[0] + src[2]) + 4;
377 t2 = 17 * (src[0] - src[2]) + 4;
378 t3 = 22 * src[1] + 10 * src[3];
379 t4 = 22 * src[3] - 10 * src[1];
381 dst[0] = (t1 + t3) >> 3;
382 dst[1] = (t2 - t4) >> 3;
383 dst[2] = (t2 + t4) >> 3;
384 dst[3] = (t1 - t3) >> 3;
386 src += 8;
387 dst += 8;
390 src = block;
391 for(i = 0; i < 4; i++){
392 t1 = 17 * (src[ 0] + src[16]) + 64;
393 t2 = 17 * (src[ 0] - src[16]) + 64;
394 t3 = 22 * src[ 8] + 10 * src[24];
395 t4 = 22 * src[24] - 10 * src[ 8];
397 dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3) >> 7)];
398 dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)];
399 dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)];
400 dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)];
402 src ++;
403 dest++;
407 /* motion compensation functions */
408 /** Filter in case of 2 filters */
409 #define VC1_MSPEL_FILTER_16B(DIR, TYPE) \
410 static av_always_inline int vc1_mspel_ ## DIR ## _filter_16bits(const TYPE *src, int stride, int mode) \
412 switch(mode){ \
413 case 0: /* no shift - should not occur */ \
414 return 0; \
415 case 1: /* 1/4 shift */ \
416 return -4*src[-stride] + 53*src[0] + 18*src[stride] - 3*src[stride*2]; \
417 case 2: /* 1/2 shift */ \
418 return -src[-stride] + 9*src[0] + 9*src[stride] - src[stride*2]; \
419 case 3: /* 3/4 shift */ \
420 return -3*src[-stride] + 18*src[0] + 53*src[stride] - 4*src[stride*2]; \
422 return 0; /* should not occur */ \
425 VC1_MSPEL_FILTER_16B(ver, uint8_t);
426 VC1_MSPEL_FILTER_16B(hor, int16_t);
429 /** Filter used to interpolate fractional pel values
431 static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int mode, int r)
433 switch(mode){
434 case 0: //no shift
435 return src[0];
436 case 1: // 1/4 shift
437 return (-4*src[-stride] + 53*src[0] + 18*src[stride] - 3*src[stride*2] + 32 - r) >> 6;
438 case 2: // 1/2 shift
439 return (-src[-stride] + 9*src[0] + 9*src[stride] - src[stride*2] + 8 - r) >> 4;
440 case 3: // 3/4 shift
441 return (-3*src[-stride] + 18*src[0] + 53*src[stride] - 4*src[stride*2] + 32 - r) >> 6;
443 return 0; //should not occur
446 /** Function used to do motion compensation with bicubic interpolation
448 #define VC1_MSPEL_MC(OP, OPNAME)\
449 static void OPNAME ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int hmode, int vmode, int rnd)\
451 int i, j;\
453 if (vmode) { /* Horizontal filter to apply */\
454 int r;\
456 if (hmode) { /* Vertical filter to apply, output to tmp */\
457 static const int shift_value[] = { 0, 5, 1, 5 };\
458 int shift = (shift_value[hmode]+shift_value[vmode])>>1;\
459 int16_t tmp[11*8], *tptr = tmp;\
461 r = (1<<(shift-1)) + rnd-1;\
463 src -= 1;\
464 for(j = 0; j < 8; j++) {\
465 for(i = 0; i < 11; i++)\
466 tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode)+r)>>shift;\
467 src += stride;\
468 tptr += 11;\
471 r = 64-rnd;\
472 tptr = tmp+1;\
473 for(j = 0; j < 8; j++) {\
474 for(i = 0; i < 8; i++)\
475 OP(dst[i], (vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode)+r)>>7);\
476 dst += stride;\
477 tptr += 11;\
480 return;\
482 else { /* No horizontal filter, output 8 lines to dst */\
483 r = 1-rnd;\
485 for(j = 0; j < 8; j++) {\
486 for(i = 0; i < 8; i++)\
487 OP(dst[i], vc1_mspel_filter(src + i, stride, vmode, r));\
488 src += stride;\
489 dst += stride;\
491 return;\
495 /* Horizontal mode with no vertical mode */\
496 for(j = 0; j < 8; j++) {\
497 for(i = 0; i < 8; i++)\
498 OP(dst[i], vc1_mspel_filter(src + i, 1, hmode, rnd));\
499 dst += stride;\
500 src += stride;\
504 #define op_put(a, b) a = av_clip_uint8(b)
505 #define op_avg(a, b) a = (a + av_clip_uint8(b) + 1) >> 1
507 VC1_MSPEL_MC(op_put, put_)
508 VC1_MSPEL_MC(op_avg, avg_)
510 /* pixel functions - really are entry points to vc1_mspel_mc */
512 /* this one is defined in dsputil.c */
513 void ff_put_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, int stride, int rnd);
514 void ff_avg_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, int stride, int rnd);
516 #define PUT_VC1_MSPEL(a, b)\
517 static void put_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \
518 put_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
520 static void avg_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \
521 avg_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
524 PUT_VC1_MSPEL(1, 0)
525 PUT_VC1_MSPEL(2, 0)
526 PUT_VC1_MSPEL(3, 0)
528 PUT_VC1_MSPEL(0, 1)
529 PUT_VC1_MSPEL(1, 1)
530 PUT_VC1_MSPEL(2, 1)
531 PUT_VC1_MSPEL(3, 1)
533 PUT_VC1_MSPEL(0, 2)
534 PUT_VC1_MSPEL(1, 2)
535 PUT_VC1_MSPEL(2, 2)
536 PUT_VC1_MSPEL(3, 2)
538 PUT_VC1_MSPEL(0, 3)
539 PUT_VC1_MSPEL(1, 3)
540 PUT_VC1_MSPEL(2, 3)
541 PUT_VC1_MSPEL(3, 3)
543 void ff_vc1dsp_init(DSPContext* dsp, AVCodecContext *avctx) {
544 dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_c;
545 dsp->vc1_inv_trans_4x8 = vc1_inv_trans_4x8_c;
546 dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_c;
547 dsp->vc1_inv_trans_4x4 = vc1_inv_trans_4x4_c;
548 dsp->vc1_h_overlap = vc1_h_overlap_c;
549 dsp->vc1_v_overlap = vc1_v_overlap_c;
550 dsp->vc1_v_loop_filter4 = vc1_v_loop_filter4_c;
551 dsp->vc1_h_loop_filter4 = vc1_h_loop_filter4_c;
552 dsp->vc1_v_loop_filter8 = vc1_v_loop_filter8_c;
553 dsp->vc1_h_loop_filter8 = vc1_h_loop_filter8_c;
554 dsp->vc1_v_loop_filter16 = vc1_v_loop_filter16_c;
555 dsp->vc1_h_loop_filter16 = vc1_h_loop_filter16_c;
557 dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_vc1_mspel_mc00_c;
558 dsp->put_vc1_mspel_pixels_tab[ 1] = put_vc1_mspel_mc10_c;
559 dsp->put_vc1_mspel_pixels_tab[ 2] = put_vc1_mspel_mc20_c;
560 dsp->put_vc1_mspel_pixels_tab[ 3] = put_vc1_mspel_mc30_c;
561 dsp->put_vc1_mspel_pixels_tab[ 4] = put_vc1_mspel_mc01_c;
562 dsp->put_vc1_mspel_pixels_tab[ 5] = put_vc1_mspel_mc11_c;
563 dsp->put_vc1_mspel_pixels_tab[ 6] = put_vc1_mspel_mc21_c;
564 dsp->put_vc1_mspel_pixels_tab[ 7] = put_vc1_mspel_mc31_c;
565 dsp->put_vc1_mspel_pixels_tab[ 8] = put_vc1_mspel_mc02_c;
566 dsp->put_vc1_mspel_pixels_tab[ 9] = put_vc1_mspel_mc12_c;
567 dsp->put_vc1_mspel_pixels_tab[10] = put_vc1_mspel_mc22_c;
568 dsp->put_vc1_mspel_pixels_tab[11] = put_vc1_mspel_mc32_c;
569 dsp->put_vc1_mspel_pixels_tab[12] = put_vc1_mspel_mc03_c;
570 dsp->put_vc1_mspel_pixels_tab[13] = put_vc1_mspel_mc13_c;
571 dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_c;
572 dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_c;
574 dsp->avg_vc1_mspel_pixels_tab[ 0] = ff_avg_vc1_mspel_mc00_c;
575 dsp->avg_vc1_mspel_pixels_tab[ 1] = avg_vc1_mspel_mc10_c;
576 dsp->avg_vc1_mspel_pixels_tab[ 2] = avg_vc1_mspel_mc20_c;
577 dsp->avg_vc1_mspel_pixels_tab[ 3] = avg_vc1_mspel_mc30_c;
578 dsp->avg_vc1_mspel_pixels_tab[ 4] = avg_vc1_mspel_mc01_c;
579 dsp->avg_vc1_mspel_pixels_tab[ 5] = avg_vc1_mspel_mc11_c;
580 dsp->avg_vc1_mspel_pixels_tab[ 6] = avg_vc1_mspel_mc21_c;
581 dsp->avg_vc1_mspel_pixels_tab[ 7] = avg_vc1_mspel_mc31_c;
582 dsp->avg_vc1_mspel_pixels_tab[ 8] = avg_vc1_mspel_mc02_c;
583 dsp->avg_vc1_mspel_pixels_tab[ 9] = avg_vc1_mspel_mc12_c;
584 dsp->avg_vc1_mspel_pixels_tab[10] = avg_vc1_mspel_mc22_c;
585 dsp->avg_vc1_mspel_pixels_tab[11] = avg_vc1_mspel_mc32_c;
586 dsp->avg_vc1_mspel_pixels_tab[12] = avg_vc1_mspel_mc03_c;
587 dsp->avg_vc1_mspel_pixels_tab[13] = avg_vc1_mspel_mc13_c;
588 dsp->avg_vc1_mspel_pixels_tab[14] = avg_vc1_mspel_mc23_c;
589 dsp->avg_vc1_mspel_pixels_tab[15] = avg_vc1_mspel_mc33_c;