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rv30dsp.c
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1 /*
2  * RV30 decoder motion compensation functions
3  * Copyright (c) 2007 Konstantin Shishkov
4  *
5  * This file is part of FFmpeg.
6  *
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.
11  *
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.
16  *
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
20  */
21 
22 /**
23  * @file
24  * RV30 decoder motion compensation functions
25  */
26 
27 #include "avcodec.h"
28 #include "dsputil.h"
29 #include "rv34dsp.h"
30 
31 #define RV30_LOWPASS(OPNAME, OP) \
32 static av_unused void OPNAME ## rv30_tpel8_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
33  const int h = 8;\
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[-1]+src[2]) + src[0]*C1 + src[1]*C2 + 8)>>4);\
39  OP(dst[1], (-(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2 + 8)>>4);\
40  OP(dst[2], (-(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2 + 8)>>4);\
41  OP(dst[3], (-(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2 + 8)>>4);\
42  OP(dst[4], (-(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2 + 8)>>4);\
43  OP(dst[5], (-(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2 + 8)>>4);\
44  OP(dst[6], (-(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2 + 8)>>4);\
45  OP(dst[7], (-(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2 + 8)>>4);\
46  dst += dstStride;\
47  src += srcStride;\
48  }\
49 }\
50 \
51 static void OPNAME ## rv30_tpel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
52  const int w = 8;\
53  uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
54  int i;\
55  for(i = 0; i < w; i++)\
56  {\
57  const int srcA = src[-1*srcStride];\
58  const int src0 = src[0 *srcStride];\
59  const int src1 = src[1 *srcStride];\
60  const int src2 = src[2 *srcStride];\
61  const int src3 = src[3 *srcStride];\
62  const int src4 = src[4 *srcStride];\
63  const int src5 = src[5 *srcStride];\
64  const int src6 = src[6 *srcStride];\
65  const int src7 = src[7 *srcStride];\
66  const int src8 = src[8 *srcStride];\
67  const int src9 = src[9 *srcStride];\
68  OP(dst[0*dstStride], (-(srcA+src2) + src0*C1 + src1*C2 + 8)>>4);\
69  OP(dst[1*dstStride], (-(src0+src3) + src1*C1 + src2*C2 + 8)>>4);\
70  OP(dst[2*dstStride], (-(src1+src4) + src2*C1 + src3*C2 + 8)>>4);\
71  OP(dst[3*dstStride], (-(src2+src5) + src3*C1 + src4*C2 + 8)>>4);\
72  OP(dst[4*dstStride], (-(src3+src6) + src4*C1 + src5*C2 + 8)>>4);\
73  OP(dst[5*dstStride], (-(src4+src7) + src5*C1 + src6*C2 + 8)>>4);\
74  OP(dst[6*dstStride], (-(src5+src8) + src6*C1 + src7*C2 + 8)>>4);\
75  OP(dst[7*dstStride], (-(src6+src9) + src7*C1 + src8*C2 + 8)>>4);\
76  dst++;\
77  src++;\
78  }\
79 }\
80 \
81 static void OPNAME ## rv30_tpel8_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
82  const int w = 8;\
83  const int h = 8;\
84  uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
85  int i, j;\
86  for(j = 0; j < h; j++){\
87  for(i = 0; i < w; i++){\
88  OP(dst[i], (\
89  src[srcStride*-1+i-1] -12*src[srcStride*-1+i] -6*src[srcStride*-1+i+1] +src[srcStride*-1+i+2]+\
90  -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i] +72*src[srcStride* 0+i+1] -12*src[srcStride* 0+i+2] +\
91  -6*src[srcStride* 1+i-1] +72*src[srcStride* 1+i] +36*src[srcStride* 1+i+1] -6*src[srcStride* 1+i+2] +\
92  src[srcStride* 2+i-1] -12*src[srcStride* 2+i] -6*src[srcStride* 2+i+1] +src[srcStride* 2+i+2] +\
93  128)>>8);\
94  }\
95  src += srcStride;\
96  dst += dstStride;\
97  }\
98 }\
99 \
100 static void OPNAME ## rv30_tpel8_hhv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
101  const int w = 8;\
102  const int h = 8;\
103  uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
104  int i, j;\
105  for(j = 0; j < h; j++){\
106  for(i = 0; i < w; i++){\
107  OP(dst[i], (\
108  src[srcStride*-1+i-1] -12*src[srcStride*-1+i+1] -6*src[srcStride*-1+i] +src[srcStride*-1+i+2]+\
109  -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i+1] +72*src[srcStride* 0+i] -12*src[srcStride* 0+i+2]+\
110  -6*src[srcStride* 1+i-1] +72*src[srcStride* 1+i+1] +36*src[srcStride* 1+i] -6*src[srcStride* 1+i+2]+\
111  src[srcStride* 2+i-1] -12*src[srcStride* 2+i+1] -6*src[srcStride* 2+i] +src[srcStride* 2+i+2]+\
112  128)>>8);\
113  }\
114  src += srcStride;\
115  dst += dstStride;\
116  }\
117 }\
118 \
119 static void OPNAME ## rv30_tpel8_hvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
120  const int w = 8;\
121  const int h = 8;\
122  uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
123  int i, j;\
124  for(j = 0; j < h; j++){\
125  for(i = 0; i < w; i++){\
126  OP(dst[i], (\
127  src[srcStride*-1+i-1] -12*src[srcStride*-1+i] -6*src[srcStride*-1+i+1] +src[srcStride*-1+i+2]+\
128  -6*src[srcStride* 0+i-1] +72*src[srcStride* 0+i] +36*src[srcStride* 0+i+1] -6*src[srcStride* 0+i+2]+\
129  -12*src[srcStride* 1+i-1] +144*src[srcStride* 1+i] +72*src[srcStride* 1+i+1] -12*src[srcStride* 1+i+2]+\
130  src[srcStride* 2+i-1] -12*src[srcStride* 2+i] -6*src[srcStride* 2+i+1] +src[srcStride* 2+i+2]+\
131  128)>>8);\
132  }\
133  src += srcStride;\
134  dst += dstStride;\
135  }\
136 }\
137 \
138 static void OPNAME ## rv30_tpel8_hhvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
139  const int w = 8;\
140  const int h = 8;\
141  uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
142  int i, j;\
143  for(j = 0; j < h; j++){\
144  for(i = 0; i < w; i++){\
145  OP(dst[i], (\
146  36*src[i+srcStride*0] +54*src[i+1+srcStride*0] +6*src[i+2+srcStride*0]+\
147  54*src[i+srcStride*1] +81*src[i+1+srcStride*1] +9*src[i+2+srcStride*1]+\
148  6*src[i+srcStride*2] + 9*src[i+1+srcStride*2] + src[i+2+srcStride*2]+\
149  128)>>8);\
150  }\
151  src += srcStride;\
152  dst += dstStride;\
153  }\
154 }\
155 \
156 static void OPNAME ## rv30_tpel16_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
157  OPNAME ## rv30_tpel8_v_lowpass(dst , src , dstStride, srcStride, C1, C2);\
158  OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
159  src += 8*srcStride;\
160  dst += 8*dstStride;\
161  OPNAME ## rv30_tpel8_v_lowpass(dst , src , dstStride, srcStride, C1, C2);\
162  OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
163 }\
164 \
165 static void OPNAME ## rv30_tpel16_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
166  OPNAME ## rv30_tpel8_h_lowpass(dst , src , dstStride, srcStride, C1, C2);\
167  OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
168  src += 8*srcStride;\
169  dst += 8*dstStride;\
170  OPNAME ## rv30_tpel8_h_lowpass(dst , src , dstStride, srcStride, C1, C2);\
171  OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
172 }\
173 \
174 static void OPNAME ## rv30_tpel16_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
175  OPNAME ## rv30_tpel8_hv_lowpass(dst , src , dstStride, srcStride);\
176  OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
177  src += 8*srcStride;\
178  dst += 8*dstStride;\
179  OPNAME ## rv30_tpel8_hv_lowpass(dst , src , dstStride, srcStride);\
180  OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
181 }\
182 \
183 static void OPNAME ## rv30_tpel16_hhv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
184  OPNAME ## rv30_tpel8_hhv_lowpass(dst , src , dstStride, srcStride);\
185  OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
186  src += 8*srcStride;\
187  dst += 8*dstStride;\
188  OPNAME ## rv30_tpel8_hhv_lowpass(dst , src , dstStride, srcStride);\
189  OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
190 }\
191 \
192 static void OPNAME ## rv30_tpel16_hvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
193  OPNAME ## rv30_tpel8_hvv_lowpass(dst , src , dstStride, srcStride);\
194  OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
195  src += 8*srcStride;\
196  dst += 8*dstStride;\
197  OPNAME ## rv30_tpel8_hvv_lowpass(dst , src , dstStride, srcStride);\
198  OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
199 }\
200 \
201 static void OPNAME ## rv30_tpel16_hhvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
202  OPNAME ## rv30_tpel8_hhvv_lowpass(dst , src , dstStride, srcStride);\
203  OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
204  src += 8*srcStride;\
205  dst += 8*dstStride;\
206  OPNAME ## rv30_tpel8_hhvv_lowpass(dst , src , dstStride, srcStride);\
207  OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
208 }\
209 \
210 
211 #define RV30_MC(OPNAME, SIZE) \
212 static void OPNAME ## rv30_tpel ## SIZE ## _mc10_c(uint8_t *dst, uint8_t *src, int stride){\
213  OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 12, 6);\
214 }\
215 \
216 static void OPNAME ## rv30_tpel ## SIZE ## _mc20_c(uint8_t *dst, uint8_t *src, int stride){\
217  OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 6, 12);\
218 }\
219 \
220 static void OPNAME ## rv30_tpel ## SIZE ## _mc01_c(uint8_t *dst, uint8_t *src, int stride){\
221  OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\
222 }\
223 \
224 static void OPNAME ## rv30_tpel ## SIZE ## _mc02_c(uint8_t *dst, uint8_t *src, int stride){\
225  OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 6, 12);\
226 }\
227 \
228 static void OPNAME ## rv30_tpel ## SIZE ## _mc11_c(uint8_t *dst, uint8_t *src, int stride){\
229  OPNAME ## rv30_tpel ## SIZE ## _hv_lowpass(dst, src, stride, stride);\
230 }\
231 \
232 static void OPNAME ## rv30_tpel ## SIZE ## _mc12_c(uint8_t *dst, uint8_t *src, int stride){\
233  OPNAME ## rv30_tpel ## SIZE ## _hvv_lowpass(dst, src, stride, stride);\
234 }\
235 \
236 static void OPNAME ## rv30_tpel ## SIZE ## _mc21_c(uint8_t *dst, uint8_t *src, int stride){\
237  OPNAME ## rv30_tpel ## SIZE ## _hhv_lowpass(dst, src, stride, stride);\
238 }\
239 \
240 static void OPNAME ## rv30_tpel ## SIZE ## _mc22_c(uint8_t *dst, uint8_t *src, int stride){\
241  OPNAME ## rv30_tpel ## SIZE ## _hhvv_lowpass(dst, src, stride, stride);\
242 }\
243 \
244 
245 #define op_avg(a, b) a = (((a)+cm[b]+1)>>1)
246 #define op_put(a, b) a = cm[b]
247 
248 RV30_LOWPASS(put_ , op_put)
249 RV30_LOWPASS(avg_ , op_avg)
250 RV30_MC(put_, 8)
251 RV30_MC(put_, 16)
252 RV30_MC(avg_, 8)
253 RV30_MC(avg_, 16)
254 
255 av_cold void ff_rv30dsp_init(RV34DSPContext *c, DSPContext* dsp) {
256 
257  ff_rv34dsp_init(c, dsp);
258 
259  c->put_pixels_tab[0][ 0] = dsp->put_h264_qpel_pixels_tab[0][0];
260  c->put_pixels_tab[0][ 1] = put_rv30_tpel16_mc10_c;
261  c->put_pixels_tab[0][ 2] = put_rv30_tpel16_mc20_c;
262  c->put_pixels_tab[0][ 4] = put_rv30_tpel16_mc01_c;
263  c->put_pixels_tab[0][ 5] = put_rv30_tpel16_mc11_c;
264  c->put_pixels_tab[0][ 6] = put_rv30_tpel16_mc21_c;
265  c->put_pixels_tab[0][ 8] = put_rv30_tpel16_mc02_c;
266  c->put_pixels_tab[0][ 9] = put_rv30_tpel16_mc12_c;
267  c->put_pixels_tab[0][10] = put_rv30_tpel16_mc22_c;
268  c->avg_pixels_tab[0][ 0] = dsp->avg_h264_qpel_pixels_tab[0][0];
269  c->avg_pixels_tab[0][ 1] = avg_rv30_tpel16_mc10_c;
270  c->avg_pixels_tab[0][ 2] = avg_rv30_tpel16_mc20_c;
271  c->avg_pixels_tab[0][ 4] = avg_rv30_tpel16_mc01_c;
272  c->avg_pixels_tab[0][ 5] = avg_rv30_tpel16_mc11_c;
273  c->avg_pixels_tab[0][ 6] = avg_rv30_tpel16_mc21_c;
274  c->avg_pixels_tab[0][ 8] = avg_rv30_tpel16_mc02_c;
275  c->avg_pixels_tab[0][ 9] = avg_rv30_tpel16_mc12_c;
276  c->avg_pixels_tab[0][10] = avg_rv30_tpel16_mc22_c;
277  c->put_pixels_tab[1][ 0] = dsp->put_h264_qpel_pixels_tab[1][0];
278  c->put_pixels_tab[1][ 1] = put_rv30_tpel8_mc10_c;
279  c->put_pixels_tab[1][ 2] = put_rv30_tpel8_mc20_c;
280  c->put_pixels_tab[1][ 4] = put_rv30_tpel8_mc01_c;
281  c->put_pixels_tab[1][ 5] = put_rv30_tpel8_mc11_c;
282  c->put_pixels_tab[1][ 6] = put_rv30_tpel8_mc21_c;
283  c->put_pixels_tab[1][ 8] = put_rv30_tpel8_mc02_c;
284  c->put_pixels_tab[1][ 9] = put_rv30_tpel8_mc12_c;
285  c->put_pixels_tab[1][10] = put_rv30_tpel8_mc22_c;
286  c->avg_pixels_tab[1][ 0] = dsp->avg_h264_qpel_pixels_tab[1][0];
287  c->avg_pixels_tab[1][ 1] = avg_rv30_tpel8_mc10_c;
288  c->avg_pixels_tab[1][ 2] = avg_rv30_tpel8_mc20_c;
289  c->avg_pixels_tab[1][ 4] = avg_rv30_tpel8_mc01_c;
290  c->avg_pixels_tab[1][ 5] = avg_rv30_tpel8_mc11_c;
291  c->avg_pixels_tab[1][ 6] = avg_rv30_tpel8_mc21_c;
292  c->avg_pixels_tab[1][ 8] = avg_rv30_tpel8_mc02_c;
293  c->avg_pixels_tab[1][ 9] = avg_rv30_tpel8_mc12_c;
294  c->avg_pixels_tab[1][10] = avg_rv30_tpel8_mc22_c;
295 
296  c->put_chroma_pixels_tab[0] = dsp->put_h264_chroma_pixels_tab[0];
297  c->put_chroma_pixels_tab[1] = dsp->put_h264_chroma_pixels_tab[1];
298  c->avg_chroma_pixels_tab[0] = dsp->avg_h264_chroma_pixels_tab[0];
299  c->avg_chroma_pixels_tab[1] = dsp->avg_h264_chroma_pixels_tab[1];
300 }
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