2 * RV40 decoder motion compensation functions
3 * Copyright (c) 2008 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
24 * RV40 decoder motion compensation functions
27 #include "libavutil/common.h"
28 #include "libavutil/intreadwrite.h"
35 #include "libavutil/avassert.h"
37 #define RV40_LOWPASS(OPNAME, OP) \
38 static void OPNAME ## rv40_qpel8_h_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride,\
39 const int h, const int C1, const int C2, const int SHIFT){\
40 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
42 for(i = 0; i < h; i++)\
44 OP(dst[0], (src[-2] + src[ 3] - 5*(src[-1]+src[2]) + src[0]*C1 + src[1]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
45 OP(dst[1], (src[-1] + src[ 4] - 5*(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
46 OP(dst[2], (src[ 0] + src[ 5] - 5*(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
47 OP(dst[3], (src[ 1] + src[ 6] - 5*(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
48 OP(dst[4], (src[ 2] + src[ 7] - 5*(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
49 OP(dst[5], (src[ 3] + src[ 8] - 5*(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
50 OP(dst[6], (src[ 4] + src[ 9] - 5*(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
51 OP(dst[7], (src[ 5] + src[10] - 5*(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2 + (1<<(SHIFT-1))) >> SHIFT);\
57 static void OPNAME ## rv40_qpel8_v_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride,\
58 const int w, const int C1, const int C2, const int SHIFT){\
59 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
61 for(i = 0; i < w; i++)\
63 const int srcB = src[-2*srcStride];\
64 const int srcA = src[-1*srcStride];\
65 const int src0 = src[0 *srcStride];\
66 const int src1 = src[1 *srcStride];\
67 const int src2 = src[2 *srcStride];\
68 const int src3 = src[3 *srcStride];\
69 const int src4 = src[4 *srcStride];\
70 const int src5 = src[5 *srcStride];\
71 const int src6 = src[6 *srcStride];\
72 const int src7 = src[7 *srcStride];\
73 const int src8 = src[8 *srcStride];\
74 const int src9 = src[9 *srcStride];\
75 const int src10 = src[10*srcStride];\
76 OP(dst[0*dstStride], (srcB + src3 - 5*(srcA+src2) + src0*C1 + src1*C2 + (1<<(SHIFT-1))) >> SHIFT);\
77 OP(dst[1*dstStride], (srcA + src4 - 5*(src0+src3) + src1*C1 + src2*C2 + (1<<(SHIFT-1))) >> SHIFT);\
78 OP(dst[2*dstStride], (src0 + src5 - 5*(src1+src4) + src2*C1 + src3*C2 + (1<<(SHIFT-1))) >> SHIFT);\
79 OP(dst[3*dstStride], (src1 + src6 - 5*(src2+src5) + src3*C1 + src4*C2 + (1<<(SHIFT-1))) >> SHIFT);\
80 OP(dst[4*dstStride], (src2 + src7 - 5*(src3+src6) + src4*C1 + src5*C2 + (1<<(SHIFT-1))) >> SHIFT);\
81 OP(dst[5*dstStride], (src3 + src8 - 5*(src4+src7) + src5*C1 + src6*C2 + (1<<(SHIFT-1))) >> SHIFT);\
82 OP(dst[6*dstStride], (src4 + src9 - 5*(src5+src8) + src6*C1 + src7*C2 + (1<<(SHIFT-1))) >> SHIFT);\
83 OP(dst[7*dstStride], (src5 + src10 - 5*(src6+src9) + src7*C1 + src8*C2 + (1<<(SHIFT-1))) >> SHIFT);\
89 static void OPNAME ## rv40_qpel16_v_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride,\
90 const int w, const int C1, const int C2, const int SHIFT){\
91 OPNAME ## rv40_qpel8_v_lowpass(dst , src , dstStride, srcStride, 8, C1, C2, SHIFT);\
92 OPNAME ## rv40_qpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, 8, C1, C2, SHIFT);\
95 OPNAME ## rv40_qpel8_v_lowpass(dst , src , dstStride, srcStride, w-8, C1, C2, SHIFT);\
96 OPNAME ## rv40_qpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, w-8, C1, C2, SHIFT);\
99 static void OPNAME ## rv40_qpel16_h_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride,\
100 const int h, const int C1, const int C2, const int SHIFT){\
101 OPNAME ## rv40_qpel8_h_lowpass(dst , src , dstStride, srcStride, 8, C1, C2, SHIFT);\
102 OPNAME ## rv40_qpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, 8, C1, C2, SHIFT);\
105 OPNAME ## rv40_qpel8_h_lowpass(dst , src , dstStride, srcStride, h-8, C1, C2, SHIFT);\
106 OPNAME ## rv40_qpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, h-8, C1, C2, SHIFT);\
110 #define RV40_MC(OPNAME, SIZE) \
111 static void OPNAME ## rv40_qpel ## SIZE ## _mc10_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
113 OPNAME ## rv40_qpel ## SIZE ## _h_lowpass(dst, src, stride, stride, SIZE, 52, 20, 6);\
116 static void OPNAME ## rv40_qpel ## SIZE ## _mc30_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
118 OPNAME ## rv40_qpel ## SIZE ## _h_lowpass(dst, src, stride, stride, SIZE, 20, 52, 6);\
121 static void OPNAME ## rv40_qpel ## SIZE ## _mc01_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
123 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, src, stride, stride, SIZE, 52, 20, 6);\
126 static void OPNAME ## rv40_qpel ## SIZE ## _mc11_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
128 uint8_t full[SIZE*(SIZE+5)];\
129 uint8_t * const full_mid = full + SIZE*2;\
130 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 52, 20, 6);\
131 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 52, 20, 6);\
134 static void OPNAME ## rv40_qpel ## SIZE ## _mc21_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
136 uint8_t full[SIZE*(SIZE+5)];\
137 uint8_t * const full_mid = full + SIZE*2;\
138 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 20, 5);\
139 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 52, 20, 6);\
142 static void OPNAME ## rv40_qpel ## SIZE ## _mc31_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
144 uint8_t full[SIZE*(SIZE+5)];\
145 uint8_t * const full_mid = full + SIZE*2;\
146 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 52, 6);\
147 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 52, 20, 6);\
150 static void OPNAME ## rv40_qpel ## SIZE ## _mc12_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
152 uint8_t full[SIZE*(SIZE+5)];\
153 uint8_t * const full_mid = full + SIZE*2;\
154 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 52, 20, 6);\
155 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 20, 5);\
158 static void OPNAME ## rv40_qpel ## SIZE ## _mc22_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
160 uint8_t full[SIZE*(SIZE+5)];\
161 uint8_t * const full_mid = full + SIZE*2;\
162 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 20, 5);\
163 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 20, 5);\
166 static void OPNAME ## rv40_qpel ## SIZE ## _mc32_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
168 uint8_t full[SIZE*(SIZE+5)];\
169 uint8_t * const full_mid = full + SIZE*2;\
170 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 52, 6);\
171 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 20, 5);\
174 static void OPNAME ## rv40_qpel ## SIZE ## _mc03_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
176 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, src, stride, stride, SIZE, 20, 52, 6);\
179 static void OPNAME ## rv40_qpel ## SIZE ## _mc13_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
181 uint8_t full[SIZE*(SIZE+5)];\
182 uint8_t * const full_mid = full + SIZE*2;\
183 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 52, 20, 6);\
184 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 52, 6);\
187 static void OPNAME ## rv40_qpel ## SIZE ## _mc23_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
189 uint8_t full[SIZE*(SIZE+5)];\
190 uint8_t * const full_mid = full + SIZE*2;\
191 put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 20, 5);\
192 OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 52, 6);\
196 #define op_avg(a, b) a = (((a)+cm[b]+1)>>1)
197 #define op_put(a, b) a = cm[b]
199 RV40_LOWPASS(put_
, op_put
)
200 RV40_LOWPASS(avg_
, op_avg
)
210 #define PIXOP2(OPNAME, OP) \
211 static inline void OPNAME ## _pixels8_xy2_8_c(uint8_t *block, \
212 const uint8_t *pixels, \
213 ptrdiff_t line_size, \
216 /* FIXME HIGH BIT DEPTH */ \
219 for (j = 0; j < 2; j++) { \
221 const uint32_t a = AV_RN32(pixels); \
222 const uint32_t b = AV_RN32(pixels + 1); \
223 uint32_t l0 = (a & 0x03030303UL) + \
224 (b & 0x03030303UL) + \
226 uint32_t h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
227 ((b & 0xFCFCFCFCUL) >> 2); \
230 pixels += line_size; \
231 for (i = 0; i < h; i += 2) { \
232 uint32_t a = AV_RN32(pixels); \
233 uint32_t b = AV_RN32(pixels + 1); \
234 l1 = (a & 0x03030303UL) + \
235 (b & 0x03030303UL); \
236 h1 = ((a & 0xFCFCFCFCUL) >> 2) + \
237 ((b & 0xFCFCFCFCUL) >> 2); \
238 OP(*((uint32_t *) block), \
239 h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
240 pixels += line_size; \
241 block += line_size; \
242 a = AV_RN32(pixels); \
243 b = AV_RN32(pixels + 1); \
244 l0 = (a & 0x03030303UL) + \
245 (b & 0x03030303UL) + \
247 h0 = ((a & 0xFCFCFCFCUL) >> 2) + \
248 ((b & 0xFCFCFCFCUL) >> 2); \
249 OP(*((uint32_t *) block), \
250 h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \
251 pixels += line_size; \
252 block += line_size; \
254 pixels += 4 - line_size * (h + 1); \
255 block += 4 - line_size * h; \
259 CALL_2X_PIXELS(OPNAME ## _pixels16_xy2_8_c, \
260 OPNAME ## _pixels8_xy2_8_c, \
263 #define op_avg(a, b) a = rnd_avg32(a, b)
264 #define op_put(a, b) a = b
270 static void put_rv40_qpel16_mc33_c(uint8_t *dst
, const uint8_t *src
, ptrdiff_t stride
)
272 put_pixels16_xy2_8_c(dst
, src
, stride
, 16);
274 static void avg_rv40_qpel16_mc33_c(uint8_t *dst
, const uint8_t *src
, ptrdiff_t stride
)
276 avg_pixels16_xy2_8_c(dst
, src
, stride
, 16);
278 static void put_rv40_qpel8_mc33_c(uint8_t *dst
, const uint8_t *src
, ptrdiff_t stride
)
280 put_pixels8_xy2_8_c(dst
, src
, stride
, 8);
282 static void avg_rv40_qpel8_mc33_c(uint8_t *dst
, const uint8_t *src
, ptrdiff_t stride
)
284 avg_pixels8_xy2_8_c(dst
, src
, stride
, 8);
287 static const int rv40_bias
[4][4] = {
294 #define RV40_CHROMA_MC(OPNAME, OP)\
295 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){\
296 const int A = (8-x) * (8-y);\
297 const int B = ( x) * (8-y);\
298 const int C = (8-x) * ( y);\
299 const int D = ( x) * ( y);\
301 int bias = rv40_bias[y>>1][x>>1];\
303 av_assert2(x<8 && y<8 && x>=0 && y>=0);\
306 for(i = 0; i < h; i++){\
307 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + bias));\
308 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + bias));\
309 OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + bias));\
310 OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + bias));\
315 const int E = B + C;\
316 const int step = C ? stride : 1;\
317 for(i = 0; i < h; i++){\
318 OP(dst[0], (A*src[0] + E*src[step+0] + bias));\
319 OP(dst[1], (A*src[1] + E*src[step+1] + bias));\
320 OP(dst[2], (A*src[2] + E*src[step+2] + bias));\
321 OP(dst[3], (A*src[3] + E*src[step+3] + bias));\
328 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){\
329 const int A = (8-x) * (8-y);\
330 const int B = ( x) * (8-y);\
331 const int C = (8-x) * ( y);\
332 const int D = ( x) * ( y);\
334 int bias = rv40_bias[y>>1][x>>1];\
336 av_assert2(x<8 && y<8 && x>=0 && y>=0);\
339 for(i = 0; i < h; i++){\
340 OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + bias));\
341 OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + bias));\
342 OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + bias));\
343 OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + bias));\
344 OP(dst[4], (A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5] + bias));\
345 OP(dst[5], (A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6] + bias));\
346 OP(dst[6], (A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7] + bias));\
347 OP(dst[7], (A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8] + bias));\
352 const int E = B + C;\
353 const int step = C ? stride : 1;\
354 for(i = 0; i < h; i++){\
355 OP(dst[0], (A*src[0] + E*src[step+0] + bias));\
356 OP(dst[1], (A*src[1] + E*src[step+1] + bias));\
357 OP(dst[2], (A*src[2] + E*src[step+2] + bias));\
358 OP(dst[3], (A*src[3] + E*src[step+3] + bias));\
359 OP(dst[4], (A*src[4] + E*src[step+4] + bias));\
360 OP(dst[5], (A*src[5] + E*src[step+5] + bias));\
361 OP(dst[6], (A*src[6] + E*src[step+6] + bias));\
362 OP(dst[7], (A*src[7] + E*src[step+7] + bias));\
369 #define op_avg(a, b) a = (((a)+((b)>>6)+1)>>1)
370 #define op_put(a, b) a = ((b)>>6)
372 RV40_CHROMA_MC(put_
, op_put
)
373 RV40_CHROMA_MC(avg_
, op_avg
)
375 #define RV40_WEIGHT_FUNC(size) \
376 static void rv40_weight_func_rnd_ ## size (uint8_t *dst, uint8_t *src1, uint8_t *src2, int w1, int w2, ptrdiff_t stride)\
380 for (j = 0; j < size; j++) {\
381 for (i = 0; i < size; i++)\
382 dst[i] = (((w2 * src1[i]) >> 9) + ((w1 * src2[i]) >> 9) + 0x10) >> 5;\
388 static void rv40_weight_func_nornd_ ## size (uint8_t *dst, uint8_t *src1, uint8_t *src2, int w1, int w2, ptrdiff_t stride)\
392 for (j = 0; j < size; j++) {\
393 for (i = 0; i < size; i++)\
394 dst[i] = (w2 * src1[i] + w1 * src2[i] + 0x10) >> 5;\
405 * dither values for deblocking filter - left/top values
407 static const uint8_t rv40_dither_l
[16] = {
408 0x40, 0x50, 0x20, 0x60, 0x30, 0x50, 0x40, 0x30,
409 0x50, 0x40, 0x50, 0x30, 0x60, 0x20, 0x50, 0x40
413 * dither values for deblocking filter - right/bottom values
415 static const uint8_t rv40_dither_r
[16] = {
416 0x40, 0x30, 0x60, 0x20, 0x50, 0x30, 0x30, 0x40,
417 0x40, 0x40, 0x50, 0x30, 0x20, 0x60, 0x30, 0x40
420 #define CLIP_SYMM(a, b) av_clip(a, -(b), b)
422 * weaker deblocking very similar to the one described in 4.4.2 of JVT-A003r1
424 static av_always_inline
void rv40_weak_loop_filter(uint8_t *src
,
426 const ptrdiff_t stride
,
435 const uint8_t *cm
= ff_crop_tab
+ MAX_NEG_CROP
;
438 for (i
= 0; i
< 4; i
++, src
+= stride
) {
439 int diff_p1p0
= src
[-2*step
] - src
[-1*step
];
440 int diff_q1q0
= src
[ 1*step
] - src
[ 0*step
];
441 int diff_p1p2
= src
[-2*step
] - src
[-3*step
];
442 int diff_q1q2
= src
[ 1*step
] - src
[ 2*step
];
444 t
= src
[0*step
] - src
[-1*step
];
448 u
= (alpha
* FFABS(t
)) >> 7;
449 if (u
> 3 - (filter_p1
&& filter_q1
))
453 if (filter_p1
&& filter_q1
)
454 t
+= src
[-2*step
] - src
[1*step
];
456 diff
= CLIP_SYMM((t
+ 4) >> 3, lim_p0q0
);
457 src
[-1*step
] = cm
[src
[-1*step
] + diff
];
458 src
[ 0*step
] = cm
[src
[ 0*step
] - diff
];
460 if (filter_p1
&& FFABS(diff_p1p2
) <= beta
) {
461 t
= (diff_p1p0
+ diff_p1p2
- diff
) >> 1;
462 src
[-2*step
] = cm
[src
[-2*step
] - CLIP_SYMM(t
, lim_p1
)];
465 if (filter_q1
&& FFABS(diff_q1q2
) <= beta
) {
466 t
= (diff_q1q0
+ diff_q1q2
+ diff
) >> 1;
467 src
[ 1*step
] = cm
[src
[ 1*step
] - CLIP_SYMM(t
, lim_q1
)];
472 static void rv40_h_weak_loop_filter(uint8_t *src
, const ptrdiff_t stride
,
473 const int filter_p1
, const int filter_q1
,
474 const int alpha
, const int beta
,
475 const int lim_p0q0
, const int lim_q1
,
478 rv40_weak_loop_filter(src
, stride
, 1, filter_p1
, filter_q1
,
479 alpha
, beta
, lim_p0q0
, lim_q1
, lim_p1
);
482 static void rv40_v_weak_loop_filter(uint8_t *src
, const ptrdiff_t stride
,
483 const int filter_p1
, const int filter_q1
,
484 const int alpha
, const int beta
,
485 const int lim_p0q0
, const int lim_q1
,
488 rv40_weak_loop_filter(src
, 1, stride
, filter_p1
, filter_q1
,
489 alpha
, beta
, lim_p0q0
, lim_q1
, lim_p1
);
492 static av_always_inline
void rv40_strong_loop_filter(uint8_t *src
,
494 const ptrdiff_t stride
,
502 for(i
= 0; i
< 4; i
++, src
+= stride
){
503 int sflag
, p0
, q0
, p1
, q1
;
504 int t
= src
[0*step
] - src
[-1*step
];
509 sflag
= (alpha
* FFABS(t
)) >> 7;
513 p0
= (25*src
[-3*step
] + 26*src
[-2*step
] + 26*src
[-1*step
] +
514 26*src
[ 0*step
] + 25*src
[ 1*step
] +
515 rv40_dither_l
[dmode
+ i
]) >> 7;
517 q0
= (25*src
[-2*step
] + 26*src
[-1*step
] + 26*src
[ 0*step
] +
518 26*src
[ 1*step
] + 25*src
[ 2*step
] +
519 rv40_dither_r
[dmode
+ i
]) >> 7;
522 p0
= av_clip(p0
, src
[-1*step
] - lims
, src
[-1*step
] + lims
);
523 q0
= av_clip(q0
, src
[ 0*step
] - lims
, src
[ 0*step
] + lims
);
526 p1
= (25*src
[-4*step
] + 26*src
[-3*step
] + 26*src
[-2*step
] + 26*p0
+
527 25*src
[ 0*step
] + rv40_dither_l
[dmode
+ i
]) >> 7;
528 q1
= (25*src
[-1*step
] + 26*q0
+ 26*src
[ 1*step
] + 26*src
[ 2*step
] +
529 25*src
[ 3*step
] + rv40_dither_r
[dmode
+ i
]) >> 7;
532 p1
= av_clip(p1
, src
[-2*step
] - lims
, src
[-2*step
] + lims
);
533 q1
= av_clip(q1
, src
[ 1*step
] - lims
, src
[ 1*step
] + lims
);
542 src
[-3*step
] = (25*src
[-1*step
] + 26*src
[-2*step
] +
543 51*src
[-3*step
] + 26*src
[-4*step
] + 64) >> 7;
544 src
[ 2*step
] = (25*src
[ 0*step
] + 26*src
[ 1*step
] +
545 51*src
[ 2*step
] + 26*src
[ 3*step
] + 64) >> 7;
550 static void rv40_h_strong_loop_filter(uint8_t *src
, const ptrdiff_t stride
,
551 const int alpha
, const int lims
,
552 const int dmode
, const int chroma
)
554 rv40_strong_loop_filter(src
, stride
, 1, alpha
, lims
, dmode
, chroma
);
557 static void rv40_v_strong_loop_filter(uint8_t *src
, const ptrdiff_t stride
,
558 const int alpha
, const int lims
,
559 const int dmode
, const int chroma
)
561 rv40_strong_loop_filter(src
, 1, stride
, alpha
, lims
, dmode
, chroma
);
564 static av_always_inline
int rv40_loop_filter_strength(uint8_t *src
,
565 int step
, ptrdiff_t stride
,
570 int sum_p1p0
= 0, sum_q1q0
= 0, sum_p1p2
= 0, sum_q1q2
= 0;
571 int strong0
= 0, strong1
= 0;
575 for (i
= 0, ptr
= src
; i
< 4; i
++, ptr
+= stride
) {
576 sum_p1p0
+= ptr
[-2*step
] - ptr
[-1*step
];
577 sum_q1q0
+= ptr
[ 1*step
] - ptr
[ 0*step
];
580 *p1
= FFABS(sum_p1p0
) < (beta
<< 2);
581 *q1
= FFABS(sum_q1q0
) < (beta
<< 2);
589 for (i
= 0, ptr
= src
; i
< 4; i
++, ptr
+= stride
) {
590 sum_p1p2
+= ptr
[-2*step
] - ptr
[-3*step
];
591 sum_q1q2
+= ptr
[ 1*step
] - ptr
[ 2*step
];
594 strong0
= *p1
&& (FFABS(sum_p1p2
) < beta2
);
595 strong1
= *q1
&& (FFABS(sum_q1q2
) < beta2
);
597 return strong0
&& strong1
;
600 static int rv40_h_loop_filter_strength(uint8_t *src
, ptrdiff_t stride
,
601 int beta
, int beta2
, int edge
,
604 return rv40_loop_filter_strength(src
, stride
, 1, beta
, beta2
, edge
, p1
, q1
);
607 static int rv40_v_loop_filter_strength(uint8_t *src
, ptrdiff_t stride
,
608 int beta
, int beta2
, int edge
,
611 return rv40_loop_filter_strength(src
, 1, stride
, beta
, beta2
, edge
, p1
, q1
);
614 av_cold
void ff_rv40dsp_init(RV34DSPContext
*c
)
616 H264QpelContext qpel
;
619 ff_h264qpel_init(&qpel
, 8);
621 c
->put_pixels_tab
[0][ 0] = qpel
.put_h264_qpel_pixels_tab
[0][0];
622 c
->put_pixels_tab
[0][ 1] = put_rv40_qpel16_mc10_c
;
623 c
->put_pixels_tab
[0][ 2] = qpel
.put_h264_qpel_pixels_tab
[0][2];
624 c
->put_pixels_tab
[0][ 3] = put_rv40_qpel16_mc30_c
;
625 c
->put_pixels_tab
[0][ 4] = put_rv40_qpel16_mc01_c
;
626 c
->put_pixels_tab
[0][ 5] = put_rv40_qpel16_mc11_c
;
627 c
->put_pixels_tab
[0][ 6] = put_rv40_qpel16_mc21_c
;
628 c
->put_pixels_tab
[0][ 7] = put_rv40_qpel16_mc31_c
;
629 c
->put_pixels_tab
[0][ 8] = qpel
.put_h264_qpel_pixels_tab
[0][8];
630 c
->put_pixels_tab
[0][ 9] = put_rv40_qpel16_mc12_c
;
631 c
->put_pixels_tab
[0][10] = put_rv40_qpel16_mc22_c
;
632 c
->put_pixels_tab
[0][11] = put_rv40_qpel16_mc32_c
;
633 c
->put_pixels_tab
[0][12] = put_rv40_qpel16_mc03_c
;
634 c
->put_pixels_tab
[0][13] = put_rv40_qpel16_mc13_c
;
635 c
->put_pixels_tab
[0][14] = put_rv40_qpel16_mc23_c
;
636 c
->put_pixels_tab
[0][15] = put_rv40_qpel16_mc33_c
;
637 c
->avg_pixels_tab
[0][ 0] = qpel
.avg_h264_qpel_pixels_tab
[0][0];
638 c
->avg_pixels_tab
[0][ 1] = avg_rv40_qpel16_mc10_c
;
639 c
->avg_pixels_tab
[0][ 2] = qpel
.avg_h264_qpel_pixels_tab
[0][2];
640 c
->avg_pixels_tab
[0][ 3] = avg_rv40_qpel16_mc30_c
;
641 c
->avg_pixels_tab
[0][ 4] = avg_rv40_qpel16_mc01_c
;
642 c
->avg_pixels_tab
[0][ 5] = avg_rv40_qpel16_mc11_c
;
643 c
->avg_pixels_tab
[0][ 6] = avg_rv40_qpel16_mc21_c
;
644 c
->avg_pixels_tab
[0][ 7] = avg_rv40_qpel16_mc31_c
;
645 c
->avg_pixels_tab
[0][ 8] = qpel
.avg_h264_qpel_pixels_tab
[0][8];
646 c
->avg_pixels_tab
[0][ 9] = avg_rv40_qpel16_mc12_c
;
647 c
->avg_pixels_tab
[0][10] = avg_rv40_qpel16_mc22_c
;
648 c
->avg_pixels_tab
[0][11] = avg_rv40_qpel16_mc32_c
;
649 c
->avg_pixels_tab
[0][12] = avg_rv40_qpel16_mc03_c
;
650 c
->avg_pixels_tab
[0][13] = avg_rv40_qpel16_mc13_c
;
651 c
->avg_pixels_tab
[0][14] = avg_rv40_qpel16_mc23_c
;
652 c
->avg_pixels_tab
[0][15] = avg_rv40_qpel16_mc33_c
;
653 c
->put_pixels_tab
[1][ 0] = qpel
.put_h264_qpel_pixels_tab
[1][0];
654 c
->put_pixels_tab
[1][ 1] = put_rv40_qpel8_mc10_c
;
655 c
->put_pixels_tab
[1][ 2] = qpel
.put_h264_qpel_pixels_tab
[1][2];
656 c
->put_pixels_tab
[1][ 3] = put_rv40_qpel8_mc30_c
;
657 c
->put_pixels_tab
[1][ 4] = put_rv40_qpel8_mc01_c
;
658 c
->put_pixels_tab
[1][ 5] = put_rv40_qpel8_mc11_c
;
659 c
->put_pixels_tab
[1][ 6] = put_rv40_qpel8_mc21_c
;
660 c
->put_pixels_tab
[1][ 7] = put_rv40_qpel8_mc31_c
;
661 c
->put_pixels_tab
[1][ 8] = qpel
.put_h264_qpel_pixels_tab
[1][8];
662 c
->put_pixels_tab
[1][ 9] = put_rv40_qpel8_mc12_c
;
663 c
->put_pixels_tab
[1][10] = put_rv40_qpel8_mc22_c
;
664 c
->put_pixels_tab
[1][11] = put_rv40_qpel8_mc32_c
;
665 c
->put_pixels_tab
[1][12] = put_rv40_qpel8_mc03_c
;
666 c
->put_pixels_tab
[1][13] = put_rv40_qpel8_mc13_c
;
667 c
->put_pixels_tab
[1][14] = put_rv40_qpel8_mc23_c
;
668 c
->put_pixels_tab
[1][15] = put_rv40_qpel8_mc33_c
;
669 c
->avg_pixels_tab
[1][ 0] = qpel
.avg_h264_qpel_pixels_tab
[1][0];
670 c
->avg_pixels_tab
[1][ 1] = avg_rv40_qpel8_mc10_c
;
671 c
->avg_pixels_tab
[1][ 2] = qpel
.avg_h264_qpel_pixels_tab
[1][2];
672 c
->avg_pixels_tab
[1][ 3] = avg_rv40_qpel8_mc30_c
;
673 c
->avg_pixels_tab
[1][ 4] = avg_rv40_qpel8_mc01_c
;
674 c
->avg_pixels_tab
[1][ 5] = avg_rv40_qpel8_mc11_c
;
675 c
->avg_pixels_tab
[1][ 6] = avg_rv40_qpel8_mc21_c
;
676 c
->avg_pixels_tab
[1][ 7] = avg_rv40_qpel8_mc31_c
;
677 c
->avg_pixels_tab
[1][ 8] = qpel
.avg_h264_qpel_pixels_tab
[1][8];
678 c
->avg_pixels_tab
[1][ 9] = avg_rv40_qpel8_mc12_c
;
679 c
->avg_pixels_tab
[1][10] = avg_rv40_qpel8_mc22_c
;
680 c
->avg_pixels_tab
[1][11] = avg_rv40_qpel8_mc32_c
;
681 c
->avg_pixels_tab
[1][12] = avg_rv40_qpel8_mc03_c
;
682 c
->avg_pixels_tab
[1][13] = avg_rv40_qpel8_mc13_c
;
683 c
->avg_pixels_tab
[1][14] = avg_rv40_qpel8_mc23_c
;
684 c
->avg_pixels_tab
[1][15] = avg_rv40_qpel8_mc33_c
;
686 c
->put_chroma_pixels_tab
[0] = put_rv40_chroma_mc8_c
;
687 c
->put_chroma_pixels_tab
[1] = put_rv40_chroma_mc4_c
;
688 c
->avg_chroma_pixels_tab
[0] = avg_rv40_chroma_mc8_c
;
689 c
->avg_chroma_pixels_tab
[1] = avg_rv40_chroma_mc4_c
;
691 c
->rv40_weight_pixels_tab
[0][0] = rv40_weight_func_rnd_16
;
692 c
->rv40_weight_pixels_tab
[0][1] = rv40_weight_func_rnd_8
;
693 c
->rv40_weight_pixels_tab
[1][0] = rv40_weight_func_nornd_16
;
694 c
->rv40_weight_pixels_tab
[1][1] = rv40_weight_func_nornd_8
;
696 c
->rv40_weak_loop_filter
[0] = rv40_h_weak_loop_filter
;
697 c
->rv40_weak_loop_filter
[1] = rv40_v_weak_loop_filter
;
698 c
->rv40_strong_loop_filter
[0] = rv40_h_strong_loop_filter
;
699 c
->rv40_strong_loop_filter
[1] = rv40_v_strong_loop_filter
;
700 c
->rv40_loop_filter_strength
[0] = rv40_h_loop_filter_strength
;
701 c
->rv40_loop_filter_strength
[1] = rv40_v_loop_filter_strength
;
704 ff_rv40dsp_init_aarch64(c
);
706 ff_rv40dsp_init_arm(c
);
708 ff_rv40dsp_init_x86(c
);