f193b6050d6e18a8cfc0fdc97c30e50420076725
[libav.git] / libavcodec / rv40dsp.c
1 /*
2 * RV40 decoder motion compensation functions
3 * Copyright (c) 2008 Konstantin Shishkov
4 *
5 * This file is part of Libav.
6 *
7 * Libav 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 * Libav 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 Libav; 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 * RV40 decoder motion compensation functions
25 */
26
27 #include "avcodec.h"
28 #include "dsputil.h"
29 #include "rv34dsp.h"
30
31 #define RV40_LOWPASS(OPNAME, OP) \
32 static av_unused void OPNAME ## rv40_qpel8_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride,\
33 const int h, const int C1, const int C2, const int SHIFT){\
34 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
35 int i;\
36 for(i = 0; i < h; i++)\
37 {\
38 OP(dst[0], (src[-2] + src[ 3] - 5*(src[-1]+src[2]) + src[0]*C1 + src[1]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
39 OP(dst[1], (src[-1] + src[ 4] - 5*(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
40 OP(dst[2], (src[ 0] + src[ 5] - 5*(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
41 OP(dst[3], (src[ 1] + src[ 6] - 5*(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
42 OP(dst[4], (src[ 2] + src[ 7] - 5*(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
43 OP(dst[5], (src[ 3] + src[ 8] - 5*(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
44 OP(dst[6], (src[ 4] + src[ 9] - 5*(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
45 OP(dst[7], (src[ 5] + src[10] - 5*(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
46 dst += dstStride;\
47 src += srcStride;\
48 }\
49 }\
50 \
51 static void OPNAME ## rv40_qpel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride,\
52 const int w, const int C1, const int C2, const int SHIFT){\
53 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
54 int i;\
55 for(i = 0; i < w; i++)\
56 {\
57 const int srcB = src[-2*srcStride];\
58 const int srcA = src[-1*srcStride];\
59 const int src0 = src[0 *srcStride];\
60 const int src1 = src[1 *srcStride];\
61 const int src2 = src[2 *srcStride];\
62 const int src3 = src[3 *srcStride];\
63 const int src4 = src[4 *srcStride];\
64 const int src5 = src[5 *srcStride];\
65 const int src6 = src[6 *srcStride];\
66 const int src7 = src[7 *srcStride];\
67 const int src8 = src[8 *srcStride];\
68 const int src9 = src[9 *srcStride];\
69 const int src10 = src[10*srcStride];\
70 OP(dst[0*dstStride], (srcB + src3 - 5*(srcA+src2) + src0*C1 + src1*C2 + (1<<(SHIFT-1))) >> SHIFT);\
71 OP(dst[1*dstStride], (srcA + src4 - 5*(src0+src3) + src1*C1 + src2*C2 + (1<<(SHIFT-1))) >> SHIFT);\
72 OP(dst[2*dstStride], (src0 + src5 - 5*(src1+src4) + src2*C1 + src3*C2 + (1<<(SHIFT-1))) >> SHIFT);\
73 OP(dst[3*dstStride], (src1 + src6 - 5*(src2+src5) + src3*C1 + src4*C2 + (1<<(SHIFT-1))) >> SHIFT);\
74 OP(dst[4*dstStride], (src2 + src7 - 5*(src3+src6) + src4*C1 + src5*C2 + (1<<(SHIFT-1))) >> SHIFT);\
75 OP(dst[5*dstStride], (src3 + src8 - 5*(src4+src7) + src5*C1 + src6*C2 + (1<<(SHIFT-1))) >> SHIFT);\
76 OP(dst[6*dstStride], (src4 + src9 - 5*(src5+src8) + src6*C1 + src7*C2 + (1<<(SHIFT-1))) >> SHIFT);\
77 OP(dst[7*dstStride], (src5 + src10 - 5*(src6+src9) + src7*C1 + src8*C2 + (1<<(SHIFT-1))) >> SHIFT);\
78 dst++;\
79 src++;\
80 }\
81 }\
82 \
83 static void OPNAME ## rv40_qpel16_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride,\
84 const int w, const int C1, const int C2, const int SHIFT){\
85 OPNAME ## rv40_qpel8_v_lowpass(dst , src , dstStride, srcStride, 8, C1, C2, SHIFT);\
86 OPNAME ## rv40_qpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, 8, C1, C2, SHIFT);\
87 src += 8*srcStride;\
88 dst += 8*dstStride;\
89 OPNAME ## rv40_qpel8_v_lowpass(dst , src , dstStride, srcStride, w-8, C1, C2, SHIFT);\
90 OPNAME ## rv40_qpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, w-8, C1, C2, SHIFT);\
91 }\
92 \
93 static void OPNAME ## rv40_qpel16_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride,\
94 const int h, const int C1, const int C2, const int SHIFT){\
95 OPNAME ## rv40_qpel8_h_lowpass(dst , src , dstStride, srcStride, 8, C1, C2, SHIFT);\
96 OPNAME ## rv40_qpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, 8, C1, C2, SHIFT);\
97 src += 8*srcStride;\
98 dst += 8*dstStride;\
99 OPNAME ## rv40_qpel8_h_lowpass(dst , src , dstStride, srcStride, h-8, C1, C2, SHIFT);\
100 OPNAME ## rv40_qpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, h-8, C1, C2, SHIFT);\
101 }\
102 \
103
104 #define RV40_MC(OPNAME, SIZE) \
105 static void OPNAME ## rv40_qpel ## SIZE ## _mc10_c(uint8_t *dst, uint8_t *src, int stride){\
106 OPNAME ## rv40_qpel ## SIZE ## _h_lowpass(dst, src, stride, stride, SIZE, 52, 20, 6);\
107 }\
108 \
109 static void OPNAME ## rv40_qpel ## SIZE ## _mc30_c(uint8_t *dst, uint8_t *src, int stride){\
110 OPNAME ## rv40_qpel ## SIZE ## _h_lowpass(dst, src, stride, stride, SIZE, 20, 52, 6);\
111 }\
112 \
113 static void OPNAME ## rv40_qpel ## SIZE ## _mc01_c(uint8_t *dst, uint8_t *src, int stride){\
114 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, src, stride, stride, SIZE, 52, 20, 6);\
115 }\
116 \
117 static void OPNAME ## rv40_qpel ## SIZE ## _mc11_c(uint8_t *dst, uint8_t *src, int stride){\
118 uint8_t full[SIZE*(SIZE+5)];\
119 uint8_t * const full_mid = full + SIZE*2;\
120 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 52, 20, 6);\
121 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 52, 20, 6);\
122 }\
123 \
124 static void OPNAME ## rv40_qpel ## SIZE ## _mc21_c(uint8_t *dst, uint8_t *src, int stride){\
125 uint8_t full[SIZE*(SIZE+5)];\
126 uint8_t * const full_mid = full + SIZE*2;\
127 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 20, 5);\
128 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 52, 20, 6);\
129 }\
130 \
131 static void OPNAME ## rv40_qpel ## SIZE ## _mc31_c(uint8_t *dst, uint8_t *src, int stride){\
132 uint8_t full[SIZE*(SIZE+5)];\
133 uint8_t * const full_mid = full + SIZE*2;\
134 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 52, 6);\
135 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 52, 20, 6);\
136 }\
137 \
138 static void OPNAME ## rv40_qpel ## SIZE ## _mc12_c(uint8_t *dst, uint8_t *src, int stride){\
139 uint8_t full[SIZE*(SIZE+5)];\
140 uint8_t * const full_mid = full + SIZE*2;\
141 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 52, 20, 6);\
142 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 20, 5);\
143 }\
144 \
145 static void OPNAME ## rv40_qpel ## SIZE ## _mc22_c(uint8_t *dst, uint8_t *src, int stride){\
146 uint8_t full[SIZE*(SIZE+5)];\
147 uint8_t * const full_mid = full + SIZE*2;\
148 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 20, 5);\
149 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 20, 5);\
150 }\
151 \
152 static void OPNAME ## rv40_qpel ## SIZE ## _mc32_c(uint8_t *dst, uint8_t *src, int stride){\
153 uint8_t full[SIZE*(SIZE+5)];\
154 uint8_t * const full_mid = full + SIZE*2;\
155 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 52, 6);\
156 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 20, 5);\
157 }\
158 \
159 static void OPNAME ## rv40_qpel ## SIZE ## _mc03_c(uint8_t *dst, uint8_t *src, int stride){\
160 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, src, stride, stride, SIZE, 20, 52, 6);\
161 }\
162 \
163 static void OPNAME ## rv40_qpel ## SIZE ## _mc13_c(uint8_t *dst, uint8_t *src, int stride){\
164 uint8_t full[SIZE*(SIZE+5)];\
165 uint8_t * const full_mid = full + SIZE*2;\
166 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 52, 20, 6);\
167 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 52, 6);\
168 }\
169 \
170 static void OPNAME ## rv40_qpel ## SIZE ## _mc23_c(uint8_t *dst, uint8_t *src, int stride){\
171 uint8_t full[SIZE*(SIZE+5)];\
172 uint8_t * const full_mid = full + SIZE*2;\
173 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 20, 5);\
174 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 52, 6);\
175 }\
176 \
177
178 #define op_avg(a, b) a = (((a)+cm[b]+1)>>1)
179 #define op_put(a, b) a = cm[b]
180
181 RV40_LOWPASS(put_ , op_put)
182 RV40_LOWPASS(avg_ , op_avg)
183
184 #undef op_avg
185 #undef op_put
186
187 RV40_MC(put_, 8)
188 RV40_MC(put_, 16)
189 RV40_MC(avg_, 8)
190 RV40_MC(avg_, 16)
191
192 static const int rv40_bias[4][4] = {
193 { 0, 16, 32, 16 },
194 { 32, 28, 32, 28 },
195 { 0, 32, 16, 32 },
196 { 32, 28, 32, 28 }
197 };
198
199 #define RV40_CHROMA_MC(OPNAME, OP)\
200 static void OPNAME ## rv40_chroma_mc4_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\
201 const int A = (8-x) * (8-y);\
202 const int B = ( x) * (8-y);\
203 const int C = (8-x) * ( y);\
204 const int D = ( x) * ( y);\
205 int i;\
206 int bias = rv40_bias[y>>1][x>>1];\
207 \
208 assert(x<8 && y<8 && x>=0 && y>=0);\
209 \
210 if(D){\
211 for(i = 0; i < h; i++){\
212 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + bias));\
213 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + bias));\
214 OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + bias));\
215 OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + bias));\
216 dst += stride;\
217 src += stride;\
218 }\
219 }else{\
220 const int E = B + C;\
221 const int step = C ? stride : 1;\
222 for(i = 0; i < h; i++){\
223 OP(dst[0], (A*src[0] + E*src[step+0] + bias));\
224 OP(dst[1], (A*src[1] + E*src[step+1] + bias));\
225 OP(dst[2], (A*src[2] + E*src[step+2] + bias));\
226 OP(dst[3], (A*src[3] + E*src[step+3] + bias));\
227 dst += stride;\
228 src += stride;\
229 }\
230 }\
231 }\
232 \
233 static void OPNAME ## rv40_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\
234 const int A = (8-x) * (8-y);\
235 const int B = ( x) * (8-y);\
236 const int C = (8-x) * ( y);\
237 const int D = ( x) * ( y);\
238 int i;\
239 int bias = rv40_bias[y>>1][x>>1];\
240 \
241 assert(x<8 && y<8 && x>=0 && y>=0);\
242 \
243 if(D){\
244 for(i = 0; i < h; i++){\
245 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + bias));\
246 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + bias));\
247 OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + bias));\
248 OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + bias));\
249 OP(dst[4], (A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5] + bias));\
250 OP(dst[5], (A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6] + bias));\
251 OP(dst[6], (A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7] + bias));\
252 OP(dst[7], (A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8] + bias));\
253 dst += stride;\
254 src += stride;\
255 }\
256 }else{\
257 const int E = B + C;\
258 const int step = C ? stride : 1;\
259 for(i = 0; i < h; i++){\
260 OP(dst[0], (A*src[0] + E*src[step+0] + bias));\
261 OP(dst[1], (A*src[1] + E*src[step+1] + bias));\
262 OP(dst[2], (A*src[2] + E*src[step+2] + bias));\
263 OP(dst[3], (A*src[3] + E*src[step+3] + bias));\
264 OP(dst[4], (A*src[4] + E*src[step+4] + bias));\
265 OP(dst[5], (A*src[5] + E*src[step+5] + bias));\
266 OP(dst[6], (A*src[6] + E*src[step+6] + bias));\
267 OP(dst[7], (A*src[7] + E*src[step+7] + bias));\
268 dst += stride;\
269 src += stride;\
270 }\
271 }\
272 }
273
274 #define op_avg(a, b) a = (((a)+((b)>>6)+1)>>1)
275 #define op_put(a, b) a = ((b)>>6)
276
277 RV40_CHROMA_MC(put_, op_put)
278 RV40_CHROMA_MC(avg_, op_avg)
279
280 #define RV40_WEIGHT_FUNC(size) \
281 static void rv40_weight_func_ ## size (uint8_t *dst, uint8_t *src1, uint8_t *src2, int w1, int w2, int stride)\
282 {\
283 int i, j;\
284 \
285 for (j = 0; j < size; j++) {\
286 for (i = 0; i < size; i++)\
287 dst[i] = (((w2 * src1[i]) >> 9) + ((w1 * src2[i]) >> 9) + 0x10) >> 5;\
288 src1 += stride;\
289 src2 += stride;\
290 dst += stride;\
291 }\
292 }
293
294 RV40_WEIGHT_FUNC(16)
295 RV40_WEIGHT_FUNC(8)
296
297 /**
298 * dither values for deblocking filter - left/top values
299 */
300 static const uint8_t rv40_dither_l[16] = {
301 0x40, 0x50, 0x20, 0x60, 0x30, 0x50, 0x40, 0x30,
302 0x50, 0x40, 0x50, 0x30, 0x60, 0x20, 0x50, 0x40
303 };
304
305 /**
306 * dither values for deblocking filter - right/bottom values
307 */
308 static const uint8_t rv40_dither_r[16] = {
309 0x40, 0x30, 0x60, 0x20, 0x50, 0x30, 0x30, 0x40,
310 0x40, 0x40, 0x50, 0x30, 0x20, 0x60, 0x30, 0x40
311 };
312
313 #define CLIP_SYMM(a, b) av_clip(a, -(b), b)
314 /**
315 * weaker deblocking very similar to the one described in 4.4.2 of JVT-A003r1
316 */
317 static inline void rv40_weak_loop_filter(uint8_t *src, const int step,
318 const int filter_p1, const int filter_q1,
319 const int alpha, const int beta,
320 const int lim_p0q0,
321 const int lim_q1, const int lim_p1,
322 const int diff_p1p0, const int diff_q1q0,
323 const int diff_p1p2, const int diff_q1q2)
324 {
325 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
326 int t, u, diff;
327
328 t = src[0*step] - src[-1*step];
329 if(!t)
330 return;
331 u = (alpha * FFABS(t)) >> 7;
332 if(u > 3 - (filter_p1 && filter_q1))
333 return;
334
335 t <<= 2;
336 if(filter_p1 && filter_q1)
337 t += src[-2*step] - src[1*step];
338 diff = CLIP_SYMM((t + 4) >> 3, lim_p0q0);
339 src[-1*step] = cm[src[-1*step] + diff];
340 src[ 0*step] = cm[src[ 0*step] - diff];
341 if(FFABS(diff_p1p2) <= beta && filter_p1){
342 t = (diff_p1p0 + diff_p1p2 - diff) >> 1;
343 src[-2*step] = cm[src[-2*step] - CLIP_SYMM(t, lim_p1)];
344 }
345 if(FFABS(diff_q1q2) <= beta && filter_q1){
346 t = (diff_q1q0 + diff_q1q2 + diff) >> 1;
347 src[ 1*step] = cm[src[ 1*step] - CLIP_SYMM(t, lim_q1)];
348 }
349 }
350
351 static av_always_inline void rv40_adaptive_loop_filter(uint8_t *src, const int step,
352 const int stride, const int dmode,
353 const int lim_q1, const int lim_p1,
354 const int alpha,
355 const int beta, const int beta2,
356 const int chroma, const int edge)
357 {
358 int diff_p1p0[4], diff_q1q0[4], diff_p1p2[4], diff_q1q2[4];
359 int sum_p1p0 = 0, sum_q1q0 = 0, sum_p1p2 = 0, sum_q1q2 = 0;
360 uint8_t *ptr;
361 int flag_strong0 = 1, flag_strong1 = 1;
362 int filter_p1, filter_q1;
363 int i;
364 int lims;
365
366 for(i = 0, ptr = src; i < 4; i++, ptr += stride){
367 diff_p1p0[i] = ptr[-2*step] - ptr[-1*step];
368 diff_q1q0[i] = ptr[ 1*step] - ptr[ 0*step];
369 sum_p1p0 += diff_p1p0[i];
370 sum_q1q0 += diff_q1q0[i];
371 }
372 filter_p1 = FFABS(sum_p1p0) < (beta<<2);
373 filter_q1 = FFABS(sum_q1q0) < (beta<<2);
374 if(!filter_p1 && !filter_q1)
375 return;
376
377 for(i = 0, ptr = src; i < 4; i++, ptr += stride){
378 diff_p1p2[i] = ptr[-2*step] - ptr[-3*step];
379 diff_q1q2[i] = ptr[ 1*step] - ptr[ 2*step];
380 sum_p1p2 += diff_p1p2[i];
381 sum_q1q2 += diff_q1q2[i];
382 }
383
384 if(edge){
385 flag_strong0 = filter_p1 && (FFABS(sum_p1p2) < beta2);
386 flag_strong1 = filter_q1 && (FFABS(sum_q1q2) < beta2);
387 }else{
388 flag_strong0 = flag_strong1 = 0;
389 }
390
391 lims = filter_p1 + filter_q1 + ((lim_q1 + lim_p1) >> 1) + 1;
392 if(flag_strong0 && flag_strong1){ /* strong filtering */
393 for(i = 0; i < 4; i++, src += stride){
394 int sflag, p0, q0, p1, q1;
395 int t = src[0*step] - src[-1*step];
396
397 if(!t) continue;
398 sflag = (alpha * FFABS(t)) >> 7;
399 if(sflag > 1) continue;
400
401 p0 = (25*src[-3*step] + 26*src[-2*step]
402 + 26*src[-1*step]
403 + 26*src[ 0*step] + 25*src[ 1*step] + rv40_dither_l[dmode + i]) >> 7;
404 q0 = (25*src[-2*step] + 26*src[-1*step]
405 + 26*src[ 0*step]
406 + 26*src[ 1*step] + 25*src[ 2*step] + rv40_dither_r[dmode + i]) >> 7;
407 if(sflag){
408 p0 = av_clip(p0, src[-1*step] - lims, src[-1*step] + lims);
409 q0 = av_clip(q0, src[ 0*step] - lims, src[ 0*step] + lims);
410 }
411 p1 = (25*src[-4*step] + 26*src[-3*step]
412 + 26*src[-2*step]
413 + 26*p0 + 25*src[ 0*step] + rv40_dither_l[dmode + i]) >> 7;
414 q1 = (25*src[-1*step] + 26*q0
415 + 26*src[ 1*step]
416 + 26*src[ 2*step] + 25*src[ 3*step] + rv40_dither_r[dmode + i]) >> 7;
417 if(sflag){
418 p1 = av_clip(p1, src[-2*step] - lims, src[-2*step] + lims);
419 q1 = av_clip(q1, src[ 1*step] - lims, src[ 1*step] + lims);
420 }
421 src[-2*step] = p1;
422 src[-1*step] = p0;
423 src[ 0*step] = q0;
424 src[ 1*step] = q1;
425 if(!chroma){
426 src[-3*step] = (25*src[-1*step] + 26*src[-2*step] + 51*src[-3*step] + 26*src[-4*step] + 64) >> 7;
427 src[ 2*step] = (25*src[ 0*step] + 26*src[ 1*step] + 51*src[ 2*step] + 26*src[ 3*step] + 64) >> 7;
428 }
429 }
430 }else if(filter_p1 && filter_q1){
431 for(i = 0; i < 4; i++, src += stride)
432 rv40_weak_loop_filter(src, step, 1, 1, alpha, beta, lims, lim_q1, lim_p1,
433 diff_p1p0[i], diff_q1q0[i], diff_p1p2[i], diff_q1q2[i]);
434 }else{
435 for(i = 0; i < 4; i++, src += stride)
436 rv40_weak_loop_filter(src, step, filter_p1, filter_q1,
437 alpha, beta, lims>>1, lim_q1>>1, lim_p1>>1,
438 diff_p1p0[i], diff_q1q0[i], diff_p1p2[i], diff_q1q2[i]);
439 }
440 }
441
442 static void rv40_v_loop_filter(uint8_t *src, int stride, int dmode,
443 int lim_q1, int lim_p1,
444 int alpha, int beta, int beta2, int chroma, int edge){
445 rv40_adaptive_loop_filter(src, 1, stride, dmode, lim_q1, lim_p1,
446 alpha, beta, beta2, chroma, edge);
447 }
448 static void rv40_h_loop_filter(uint8_t *src, int stride, int dmode,
449 int lim_q1, int lim_p1,
450 int alpha, int beta, int beta2, int chroma, int edge){
451 rv40_adaptive_loop_filter(src, stride, 1, dmode, lim_q1, lim_p1,
452 alpha, beta, beta2, chroma, edge);
453 }
454
455 av_cold void ff_rv40dsp_init(RV34DSPContext *c, DSPContext* dsp) {
456
457 ff_rv34dsp_init(c, dsp);
458
459 c->put_pixels_tab[0][ 0] = dsp->put_h264_qpel_pixels_tab[0][0];
460 c->put_pixels_tab[0][ 1] = put_rv40_qpel16_mc10_c;
461 c->put_pixels_tab[0][ 2] = dsp->put_h264_qpel_pixels_tab[0][2];
462 c->put_pixels_tab[0][ 3] = put_rv40_qpel16_mc30_c;
463 c->put_pixels_tab[0][ 4] = put_rv40_qpel16_mc01_c;
464 c->put_pixels_tab[0][ 5] = put_rv40_qpel16_mc11_c;
465 c->put_pixels_tab[0][ 6] = put_rv40_qpel16_mc21_c;
466 c->put_pixels_tab[0][ 7] = put_rv40_qpel16_mc31_c;
467 c->put_pixels_tab[0][ 8] = dsp->put_h264_qpel_pixels_tab[0][8];
468 c->put_pixels_tab[0][ 9] = put_rv40_qpel16_mc12_c;
469 c->put_pixels_tab[0][10] = put_rv40_qpel16_mc22_c;
470 c->put_pixels_tab[0][11] = put_rv40_qpel16_mc32_c;
471 c->put_pixels_tab[0][12] = put_rv40_qpel16_mc03_c;
472 c->put_pixels_tab[0][13] = put_rv40_qpel16_mc13_c;
473 c->put_pixels_tab[0][14] = put_rv40_qpel16_mc23_c;
474 c->put_pixels_tab[0][15] = ff_put_rv40_qpel16_mc33_c;
475 c->avg_pixels_tab[0][ 0] = dsp->avg_h264_qpel_pixels_tab[0][0];
476 c->avg_pixels_tab[0][ 1] = avg_rv40_qpel16_mc10_c;
477 c->avg_pixels_tab[0][ 2] = dsp->avg_h264_qpel_pixels_tab[0][2];
478 c->avg_pixels_tab[0][ 3] = avg_rv40_qpel16_mc30_c;
479 c->avg_pixels_tab[0][ 4] = avg_rv40_qpel16_mc01_c;
480 c->avg_pixels_tab[0][ 5] = avg_rv40_qpel16_mc11_c;
481 c->avg_pixels_tab[0][ 6] = avg_rv40_qpel16_mc21_c;
482 c->avg_pixels_tab[0][ 7] = avg_rv40_qpel16_mc31_c;
483 c->avg_pixels_tab[0][ 8] = dsp->avg_h264_qpel_pixels_tab[0][8];
484 c->avg_pixels_tab[0][ 9] = avg_rv40_qpel16_mc12_c;
485 c->avg_pixels_tab[0][10] = avg_rv40_qpel16_mc22_c;
486 c->avg_pixels_tab[0][11] = avg_rv40_qpel16_mc32_c;
487 c->avg_pixels_tab[0][12] = avg_rv40_qpel16_mc03_c;
488 c->avg_pixels_tab[0][13] = avg_rv40_qpel16_mc13_c;
489 c->avg_pixels_tab[0][14] = avg_rv40_qpel16_mc23_c;
490 c->avg_pixels_tab[0][15] = ff_avg_rv40_qpel16_mc33_c;
491 c->put_pixels_tab[1][ 0] = dsp->put_h264_qpel_pixels_tab[1][0];
492 c->put_pixels_tab[1][ 1] = put_rv40_qpel8_mc10_c;
493 c->put_pixels_tab[1][ 2] = dsp->put_h264_qpel_pixels_tab[1][2];
494 c->put_pixels_tab[1][ 3] = put_rv40_qpel8_mc30_c;
495 c->put_pixels_tab[1][ 4] = put_rv40_qpel8_mc01_c;
496 c->put_pixels_tab[1][ 5] = put_rv40_qpel8_mc11_c;
497 c->put_pixels_tab[1][ 6] = put_rv40_qpel8_mc21_c;
498 c->put_pixels_tab[1][ 7] = put_rv40_qpel8_mc31_c;
499 c->put_pixels_tab[1][ 8] = dsp->put_h264_qpel_pixels_tab[1][8];
500 c->put_pixels_tab[1][ 9] = put_rv40_qpel8_mc12_c;
501 c->put_pixels_tab[1][10] = put_rv40_qpel8_mc22_c;
502 c->put_pixels_tab[1][11] = put_rv40_qpel8_mc32_c;
503 c->put_pixels_tab[1][12] = put_rv40_qpel8_mc03_c;
504 c->put_pixels_tab[1][13] = put_rv40_qpel8_mc13_c;
505 c->put_pixels_tab[1][14] = put_rv40_qpel8_mc23_c;
506 c->put_pixels_tab[1][15] = ff_put_rv40_qpel8_mc33_c;
507 c->avg_pixels_tab[1][ 0] = dsp->avg_h264_qpel_pixels_tab[1][0];
508 c->avg_pixels_tab[1][ 1] = avg_rv40_qpel8_mc10_c;
509 c->avg_pixels_tab[1][ 2] = dsp->avg_h264_qpel_pixels_tab[1][2];
510 c->avg_pixels_tab[1][ 3] = avg_rv40_qpel8_mc30_c;
511 c->avg_pixels_tab[1][ 4] = avg_rv40_qpel8_mc01_c;
512 c->avg_pixels_tab[1][ 5] = avg_rv40_qpel8_mc11_c;
513 c->avg_pixels_tab[1][ 6] = avg_rv40_qpel8_mc21_c;
514 c->avg_pixels_tab[1][ 7] = avg_rv40_qpel8_mc31_c;
515 c->avg_pixels_tab[1][ 8] = dsp->avg_h264_qpel_pixels_tab[1][8];
516 c->avg_pixels_tab[1][ 9] = avg_rv40_qpel8_mc12_c;
517 c->avg_pixels_tab[1][10] = avg_rv40_qpel8_mc22_c;
518 c->avg_pixels_tab[1][11] = avg_rv40_qpel8_mc32_c;
519 c->avg_pixels_tab[1][12] = avg_rv40_qpel8_mc03_c;
520 c->avg_pixels_tab[1][13] = avg_rv40_qpel8_mc13_c;
521 c->avg_pixels_tab[1][14] = avg_rv40_qpel8_mc23_c;
522 c->avg_pixels_tab[1][15] = ff_avg_rv40_qpel8_mc33_c;
523
524 c->put_chroma_pixels_tab[0] = put_rv40_chroma_mc8_c;
525 c->put_chroma_pixels_tab[1] = put_rv40_chroma_mc4_c;
526 c->avg_chroma_pixels_tab[0] = avg_rv40_chroma_mc8_c;
527 c->avg_chroma_pixels_tab[1] = avg_rv40_chroma_mc4_c;
528
529 c->rv40_weight_pixels_tab[0] = rv40_weight_func_16;
530 c->rv40_weight_pixels_tab[1] = rv40_weight_func_8;
531
532 c->rv40_h_loop_filter = rv40_h_loop_filter;
533 c->rv40_v_loop_filter = rv40_v_loop_filter;
534
535 if (HAVE_MMX)
536 ff_rv40dsp_init_x86(c, dsp);
537 }