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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 "h264chroma.h"
29 #include "h264qpel.h"
30 #include "rv34dsp.h"
31 
32 #define RV30_LOWPASS(OPNAME, OP) \
33 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){\
34  const int h = 8;\
35  const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
36  int i;\
37  for(i = 0; i < h; i++)\
38  {\
39  OP(dst[0], (-(src[-1]+src[2]) + src[0]*C1 + src[1]*C2 + 8)>>4);\
40  OP(dst[1], (-(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2 + 8)>>4);\
41  OP(dst[2], (-(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2 + 8)>>4);\
42  OP(dst[3], (-(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2 + 8)>>4);\
43  OP(dst[4], (-(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2 + 8)>>4);\
44  OP(dst[5], (-(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2 + 8)>>4);\
45  OP(dst[6], (-(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2 + 8)>>4);\
46  OP(dst[7], (-(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2 + 8)>>4);\
47  dst += dstStride;\
48  src += srcStride;\
49  }\
50 }\
51 \
52 static void OPNAME ## rv30_tpel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
53  const int w = 8;\
54  const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
55  int i;\
56  for(i = 0; i < w; i++)\
57  {\
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  OP(dst[0*dstStride], (-(srcA+src2) + src0*C1 + src1*C2 + 8)>>4);\
70  OP(dst[1*dstStride], (-(src0+src3) + src1*C1 + src2*C2 + 8)>>4);\
71  OP(dst[2*dstStride], (-(src1+src4) + src2*C1 + src3*C2 + 8)>>4);\
72  OP(dst[3*dstStride], (-(src2+src5) + src3*C1 + src4*C2 + 8)>>4);\
73  OP(dst[4*dstStride], (-(src3+src6) + src4*C1 + src5*C2 + 8)>>4);\
74  OP(dst[5*dstStride], (-(src4+src7) + src5*C1 + src6*C2 + 8)>>4);\
75  OP(dst[6*dstStride], (-(src5+src8) + src6*C1 + src7*C2 + 8)>>4);\
76  OP(dst[7*dstStride], (-(src6+src9) + src7*C1 + src8*C2 + 8)>>4);\
77  dst++;\
78  src++;\
79  }\
80 }\
81 \
82 static void OPNAME ## rv30_tpel8_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
83  const int w = 8;\
84  const int h = 8;\
85  const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
86  int i, j;\
87  for(j = 0; j < h; j++){\
88  for(i = 0; i < w; i++){\
89  OP(dst[i], (\
90  src[srcStride*-1+i-1] -12*src[srcStride*-1+i] -6*src[srcStride*-1+i+1] +src[srcStride*-1+i+2]+\
91  -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i] +72*src[srcStride* 0+i+1] -12*src[srcStride* 0+i+2] +\
92  -6*src[srcStride* 1+i-1] +72*src[srcStride* 1+i] +36*src[srcStride* 1+i+1] -6*src[srcStride* 1+i+2] +\
93  src[srcStride* 2+i-1] -12*src[srcStride* 2+i] -6*src[srcStride* 2+i+1] +src[srcStride* 2+i+2] +\
94  128)>>8);\
95  }\
96  src += srcStride;\
97  dst += dstStride;\
98  }\
99 }\
100 \
101 static void OPNAME ## rv30_tpel8_hhv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
102  const int w = 8;\
103  const int h = 8;\
104  const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
105  int i, j;\
106  for(j = 0; j < h; j++){\
107  for(i = 0; i < w; i++){\
108  OP(dst[i], (\
109  src[srcStride*-1+i-1] -12*src[srcStride*-1+i+1] -6*src[srcStride*-1+i] +src[srcStride*-1+i+2]+\
110  -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i+1] +72*src[srcStride* 0+i] -12*src[srcStride* 0+i+2]+\
111  -6*src[srcStride* 1+i-1] +72*src[srcStride* 1+i+1] +36*src[srcStride* 1+i] -6*src[srcStride* 1+i+2]+\
112  src[srcStride* 2+i-1] -12*src[srcStride* 2+i+1] -6*src[srcStride* 2+i] +src[srcStride* 2+i+2]+\
113  128)>>8);\
114  }\
115  src += srcStride;\
116  dst += dstStride;\
117  }\
118 }\
119 \
120 static void OPNAME ## rv30_tpel8_hvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
121  const int w = 8;\
122  const int h = 8;\
123  const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
124  int i, j;\
125  for(j = 0; j < h; j++){\
126  for(i = 0; i < w; i++){\
127  OP(dst[i], (\
128  src[srcStride*-1+i-1] -12*src[srcStride*-1+i] -6*src[srcStride*-1+i+1] +src[srcStride*-1+i+2]+\
129  -6*src[srcStride* 0+i-1] +72*src[srcStride* 0+i] +36*src[srcStride* 0+i+1] -6*src[srcStride* 0+i+2]+\
130  -12*src[srcStride* 1+i-1] +144*src[srcStride* 1+i] +72*src[srcStride* 1+i+1] -12*src[srcStride* 1+i+2]+\
131  src[srcStride* 2+i-1] -12*src[srcStride* 2+i] -6*src[srcStride* 2+i+1] +src[srcStride* 2+i+2]+\
132  128)>>8);\
133  }\
134  src += srcStride;\
135  dst += dstStride;\
136  }\
137 }\
138 \
139 static void OPNAME ## rv30_tpel8_hhvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
140  const int w = 8;\
141  const int h = 8;\
142  const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
143  int i, j;\
144  for(j = 0; j < h; j++){\
145  for(i = 0; i < w; i++){\
146  OP(dst[i], (\
147  36*src[i+srcStride*0] +54*src[i+1+srcStride*0] +6*src[i+2+srcStride*0]+\
148  54*src[i+srcStride*1] +81*src[i+1+srcStride*1] +9*src[i+2+srcStride*1]+\
149  6*src[i+srcStride*2] + 9*src[i+1+srcStride*2] + src[i+2+srcStride*2]+\
150  128)>>8);\
151  }\
152  src += srcStride;\
153  dst += dstStride;\
154  }\
155 }\
156 \
157 static void OPNAME ## rv30_tpel16_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
158  OPNAME ## rv30_tpel8_v_lowpass(dst , src , dstStride, srcStride, C1, C2);\
159  OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
160  src += 8*srcStride;\
161  dst += 8*dstStride;\
162  OPNAME ## rv30_tpel8_v_lowpass(dst , src , dstStride, srcStride, C1, C2);\
163  OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
164 }\
165 \
166 static void OPNAME ## rv30_tpel16_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
167  OPNAME ## rv30_tpel8_h_lowpass(dst , src , dstStride, srcStride, C1, C2);\
168  OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
169  src += 8*srcStride;\
170  dst += 8*dstStride;\
171  OPNAME ## rv30_tpel8_h_lowpass(dst , src , dstStride, srcStride, C1, C2);\
172  OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
173 }\
174 \
175 static void OPNAME ## rv30_tpel16_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
176  OPNAME ## rv30_tpel8_hv_lowpass(dst , src , dstStride, srcStride);\
177  OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
178  src += 8*srcStride;\
179  dst += 8*dstStride;\
180  OPNAME ## rv30_tpel8_hv_lowpass(dst , src , dstStride, srcStride);\
181  OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
182 }\
183 \
184 static void OPNAME ## rv30_tpel16_hhv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
185  OPNAME ## rv30_tpel8_hhv_lowpass(dst , src , dstStride, srcStride);\
186  OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
187  src += 8*srcStride;\
188  dst += 8*dstStride;\
189  OPNAME ## rv30_tpel8_hhv_lowpass(dst , src , dstStride, srcStride);\
190  OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
191 }\
192 \
193 static void OPNAME ## rv30_tpel16_hvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
194  OPNAME ## rv30_tpel8_hvv_lowpass(dst , src , dstStride, srcStride);\
195  OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
196  src += 8*srcStride;\
197  dst += 8*dstStride;\
198  OPNAME ## rv30_tpel8_hvv_lowpass(dst , src , dstStride, srcStride);\
199  OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
200 }\
201 \
202 static void OPNAME ## rv30_tpel16_hhvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
203  OPNAME ## rv30_tpel8_hhvv_lowpass(dst , src , dstStride, srcStride);\
204  OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
205  src += 8*srcStride;\
206  dst += 8*dstStride;\
207  OPNAME ## rv30_tpel8_hhvv_lowpass(dst , src , dstStride, srcStride);\
208  OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
209 }\
210 \
211 
212 #define RV30_MC(OPNAME, SIZE) \
213 static void OPNAME ## rv30_tpel ## SIZE ## _mc10_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
214 {\
215  OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 12, 6);\
216 }\
217 \
218 static void OPNAME ## rv30_tpel ## SIZE ## _mc20_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
219 {\
220  OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 6, 12);\
221 }\
222 \
223 static void OPNAME ## rv30_tpel ## SIZE ## _mc01_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
224 {\
225  OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\
226 }\
227 \
228 static void OPNAME ## rv30_tpel ## SIZE ## _mc02_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
229 {\
230  OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 6, 12);\
231 }\
232 \
233 static void OPNAME ## rv30_tpel ## SIZE ## _mc11_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
234 {\
235  OPNAME ## rv30_tpel ## SIZE ## _hv_lowpass(dst, src, stride, stride);\
236 }\
237 \
238 static void OPNAME ## rv30_tpel ## SIZE ## _mc12_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
239 {\
240  OPNAME ## rv30_tpel ## SIZE ## _hvv_lowpass(dst, src, stride, stride);\
241 }\
242 \
243 static void OPNAME ## rv30_tpel ## SIZE ## _mc21_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
244 {\
245  OPNAME ## rv30_tpel ## SIZE ## _hhv_lowpass(dst, src, stride, stride);\
246 }\
247 \
248 static void OPNAME ## rv30_tpel ## SIZE ## _mc22_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
249 {\
250  OPNAME ## rv30_tpel ## SIZE ## _hhvv_lowpass(dst, src, stride, stride);\
251 }\
252 \
253 
254 #define op_avg(a, b) a = (((a)+cm[b]+1)>>1)
255 #define op_put(a, b) a = cm[b]
256 
257 RV30_LOWPASS(put_ , op_put)
258 RV30_LOWPASS(avg_ , op_avg)
259 RV30_MC(put_, 8)
260 RV30_MC(put_, 16)
261 RV30_MC(avg_, 8)
262 RV30_MC(avg_, 16)
263 
264 av_cold void ff_rv30dsp_init(RV34DSPContext *c)
265 {
266  H264ChromaContext h264chroma;
267  H264QpelContext qpel;
268 
269  ff_rv34dsp_init(c);
270  ff_h264chroma_init(&h264chroma, 8);
271  ff_h264qpel_init(&qpel, 8);
272 
273  c->put_pixels_tab[0][ 0] = qpel.put_h264_qpel_pixels_tab[0][0];
274  c->put_pixels_tab[0][ 1] = put_rv30_tpel16_mc10_c;
275  c->put_pixels_tab[0][ 2] = put_rv30_tpel16_mc20_c;
276  c->put_pixels_tab[0][ 4] = put_rv30_tpel16_mc01_c;
277  c->put_pixels_tab[0][ 5] = put_rv30_tpel16_mc11_c;
278  c->put_pixels_tab[0][ 6] = put_rv30_tpel16_mc21_c;
279  c->put_pixels_tab[0][ 8] = put_rv30_tpel16_mc02_c;
280  c->put_pixels_tab[0][ 9] = put_rv30_tpel16_mc12_c;
281  c->put_pixels_tab[0][10] = put_rv30_tpel16_mc22_c;
282  c->avg_pixels_tab[0][ 0] = qpel.avg_h264_qpel_pixels_tab[0][0];
283  c->avg_pixels_tab[0][ 1] = avg_rv30_tpel16_mc10_c;
284  c->avg_pixels_tab[0][ 2] = avg_rv30_tpel16_mc20_c;
285  c->avg_pixels_tab[0][ 4] = avg_rv30_tpel16_mc01_c;
286  c->avg_pixels_tab[0][ 5] = avg_rv30_tpel16_mc11_c;
287  c->avg_pixels_tab[0][ 6] = avg_rv30_tpel16_mc21_c;
288  c->avg_pixels_tab[0][ 8] = avg_rv30_tpel16_mc02_c;
289  c->avg_pixels_tab[0][ 9] = avg_rv30_tpel16_mc12_c;
290  c->avg_pixels_tab[0][10] = avg_rv30_tpel16_mc22_c;
291  c->put_pixels_tab[1][ 0] = qpel.put_h264_qpel_pixels_tab[1][0];
292  c->put_pixels_tab[1][ 1] = put_rv30_tpel8_mc10_c;
293  c->put_pixels_tab[1][ 2] = put_rv30_tpel8_mc20_c;
294  c->put_pixels_tab[1][ 4] = put_rv30_tpel8_mc01_c;
295  c->put_pixels_tab[1][ 5] = put_rv30_tpel8_mc11_c;
296  c->put_pixels_tab[1][ 6] = put_rv30_tpel8_mc21_c;
297  c->put_pixels_tab[1][ 8] = put_rv30_tpel8_mc02_c;
298  c->put_pixels_tab[1][ 9] = put_rv30_tpel8_mc12_c;
299  c->put_pixels_tab[1][10] = put_rv30_tpel8_mc22_c;
300  c->avg_pixels_tab[1][ 0] = qpel.avg_h264_qpel_pixels_tab[1][0];
301  c->avg_pixels_tab[1][ 1] = avg_rv30_tpel8_mc10_c;
302  c->avg_pixels_tab[1][ 2] = avg_rv30_tpel8_mc20_c;
303  c->avg_pixels_tab[1][ 4] = avg_rv30_tpel8_mc01_c;
304  c->avg_pixels_tab[1][ 5] = avg_rv30_tpel8_mc11_c;
305  c->avg_pixels_tab[1][ 6] = avg_rv30_tpel8_mc21_c;
306  c->avg_pixels_tab[1][ 8] = avg_rv30_tpel8_mc02_c;
307  c->avg_pixels_tab[1][ 9] = avg_rv30_tpel8_mc12_c;
308  c->avg_pixels_tab[1][10] = avg_rv30_tpel8_mc22_c;
309 
310  c->put_chroma_pixels_tab[0] = h264chroma.put_h264_chroma_pixels_tab[0];
311  c->put_chroma_pixels_tab[1] = h264chroma.put_h264_chroma_pixels_tab[1];
312  c->avg_chroma_pixels_tab[0] = h264chroma.avg_h264_chroma_pixels_tab[0];
313  c->avg_chroma_pixels_tab[1] = h264chroma.avg_h264_chroma_pixels_tab[1];
314 }
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