Imported Debian version 2.5.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / rv30dsp.c
CommitLineData
2ba45a60
DM
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 "mathops.h"
31#include "rv34dsp.h"
32
33#define RV30_LOWPASS(OPNAME, OP) \
34static void OPNAME ## rv30_tpel8_h_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
35 const int h = 8;\
36 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
37 int i;\
38 for(i = 0; i < h; i++)\
39 {\
40 OP(dst[0], (-(src[-1]+src[2]) + src[0]*C1 + src[1]*C2 + 8)>>4);\
41 OP(dst[1], (-(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2 + 8)>>4);\
42 OP(dst[2], (-(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2 + 8)>>4);\
43 OP(dst[3], (-(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2 + 8)>>4);\
44 OP(dst[4], (-(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2 + 8)>>4);\
45 OP(dst[5], (-(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2 + 8)>>4);\
46 OP(dst[6], (-(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2 + 8)>>4);\
47 OP(dst[7], (-(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2 + 8)>>4);\
48 dst += dstStride;\
49 src += srcStride;\
50 }\
51}\
52\
53static void OPNAME ## rv30_tpel8_v_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
54 const int w = 8;\
55 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
56 int i;\
57 for(i = 0; i < w; i++)\
58 {\
59 const int srcA = src[-1*srcStride];\
60 const int src0 = src[0 *srcStride];\
61 const int src1 = src[1 *srcStride];\
62 const int src2 = src[2 *srcStride];\
63 const int src3 = src[3 *srcStride];\
64 const int src4 = src[4 *srcStride];\
65 const int src5 = src[5 *srcStride];\
66 const int src6 = src[6 *srcStride];\
67 const int src7 = src[7 *srcStride];\
68 const int src8 = src[8 *srcStride];\
69 const int src9 = src[9 *srcStride];\
70 OP(dst[0*dstStride], (-(srcA+src2) + src0*C1 + src1*C2 + 8)>>4);\
71 OP(dst[1*dstStride], (-(src0+src3) + src1*C1 + src2*C2 + 8)>>4);\
72 OP(dst[2*dstStride], (-(src1+src4) + src2*C1 + src3*C2 + 8)>>4);\
73 OP(dst[3*dstStride], (-(src2+src5) + src3*C1 + src4*C2 + 8)>>4);\
74 OP(dst[4*dstStride], (-(src3+src6) + src4*C1 + src5*C2 + 8)>>4);\
75 OP(dst[5*dstStride], (-(src4+src7) + src5*C1 + src6*C2 + 8)>>4);\
76 OP(dst[6*dstStride], (-(src5+src8) + src6*C1 + src7*C2 + 8)>>4);\
77 OP(dst[7*dstStride], (-(src6+src9) + src7*C1 + src8*C2 + 8)>>4);\
78 dst++;\
79 src++;\
80 }\
81}\
82\
83static void OPNAME ## rv30_tpel8_hv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
84 const int w = 8;\
85 const int h = 8;\
86 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
87 int i, j;\
88 for(j = 0; j < h; j++){\
89 for(i = 0; i < w; i++){\
90 OP(dst[i], (\
91 src[srcStride*-1+i-1] -12*src[srcStride*-1+i] -6*src[srcStride*-1+i+1] +src[srcStride*-1+i+2]+\
92 -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i] +72*src[srcStride* 0+i+1] -12*src[srcStride* 0+i+2] +\
93 -6*src[srcStride* 1+i-1] +72*src[srcStride* 1+i] +36*src[srcStride* 1+i+1] -6*src[srcStride* 1+i+2] +\
94 src[srcStride* 2+i-1] -12*src[srcStride* 2+i] -6*src[srcStride* 2+i+1] +src[srcStride* 2+i+2] +\
95 128)>>8);\
96 }\
97 src += srcStride;\
98 dst += dstStride;\
99 }\
100}\
101\
102static void OPNAME ## rv30_tpel8_hhv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
103 const int w = 8;\
104 const int h = 8;\
105 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
106 int i, j;\
107 for(j = 0; j < h; j++){\
108 for(i = 0; i < w; i++){\
109 OP(dst[i], (\
110 src[srcStride*-1+i-1] -12*src[srcStride*-1+i+1] -6*src[srcStride*-1+i] +src[srcStride*-1+i+2]+\
111 -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i+1] +72*src[srcStride* 0+i] -12*src[srcStride* 0+i+2]+\
112 -6*src[srcStride* 1+i-1] +72*src[srcStride* 1+i+1] +36*src[srcStride* 1+i] -6*src[srcStride* 1+i+2]+\
113 src[srcStride* 2+i-1] -12*src[srcStride* 2+i+1] -6*src[srcStride* 2+i] +src[srcStride* 2+i+2]+\
114 128)>>8);\
115 }\
116 src += srcStride;\
117 dst += dstStride;\
118 }\
119}\
120\
121static void OPNAME ## rv30_tpel8_hvv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
122 const int w = 8;\
123 const int h = 8;\
124 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
125 int i, j;\
126 for(j = 0; j < h; j++){\
127 for(i = 0; i < w; i++){\
128 OP(dst[i], (\
129 src[srcStride*-1+i-1] -12*src[srcStride*-1+i] -6*src[srcStride*-1+i+1] +src[srcStride*-1+i+2]+\
130 -6*src[srcStride* 0+i-1] +72*src[srcStride* 0+i] +36*src[srcStride* 0+i+1] -6*src[srcStride* 0+i+2]+\
131 -12*src[srcStride* 1+i-1] +144*src[srcStride* 1+i] +72*src[srcStride* 1+i+1] -12*src[srcStride* 1+i+2]+\
132 src[srcStride* 2+i-1] -12*src[srcStride* 2+i] -6*src[srcStride* 2+i+1] +src[srcStride* 2+i+2]+\
133 128)>>8);\
134 }\
135 src += srcStride;\
136 dst += dstStride;\
137 }\
138}\
139\
140static void OPNAME ## rv30_tpel8_hhvv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
141 const int w = 8;\
142 const int h = 8;\
143 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
144 int i, j;\
145 for(j = 0; j < h; j++){\
146 for(i = 0; i < w; i++){\
147 OP(dst[i], (\
148 36*src[i+srcStride*0] +54*src[i+1+srcStride*0] +6*src[i+2+srcStride*0]+\
149 54*src[i+srcStride*1] +81*src[i+1+srcStride*1] +9*src[i+2+srcStride*1]+\
150 6*src[i+srcStride*2] + 9*src[i+1+srcStride*2] + src[i+2+srcStride*2]+\
151 128)>>8);\
152 }\
153 src += srcStride;\
154 dst += dstStride;\
155 }\
156}\
157\
158static void OPNAME ## rv30_tpel16_v_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
159 OPNAME ## rv30_tpel8_v_lowpass(dst , src , dstStride, srcStride, C1, C2);\
160 OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
161 src += 8*srcStride;\
162 dst += 8*dstStride;\
163 OPNAME ## rv30_tpel8_v_lowpass(dst , src , dstStride, srcStride, C1, C2);\
164 OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
165}\
166\
167static void OPNAME ## rv30_tpel16_h_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
168 OPNAME ## rv30_tpel8_h_lowpass(dst , src , dstStride, srcStride, C1, C2);\
169 OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
170 src += 8*srcStride;\
171 dst += 8*dstStride;\
172 OPNAME ## rv30_tpel8_h_lowpass(dst , src , dstStride, srcStride, C1, C2);\
173 OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
174}\
175\
176static void OPNAME ## rv30_tpel16_hv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
177 OPNAME ## rv30_tpel8_hv_lowpass(dst , src , dstStride, srcStride);\
178 OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
179 src += 8*srcStride;\
180 dst += 8*dstStride;\
181 OPNAME ## rv30_tpel8_hv_lowpass(dst , src , dstStride, srcStride);\
182 OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
183}\
184\
185static void OPNAME ## rv30_tpel16_hhv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
186 OPNAME ## rv30_tpel8_hhv_lowpass(dst , src , dstStride, srcStride);\
187 OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
188 src += 8*srcStride;\
189 dst += 8*dstStride;\
190 OPNAME ## rv30_tpel8_hhv_lowpass(dst , src , dstStride, srcStride);\
191 OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
192}\
193\
194static void OPNAME ## rv30_tpel16_hvv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
195 OPNAME ## rv30_tpel8_hvv_lowpass(dst , src , dstStride, srcStride);\
196 OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
197 src += 8*srcStride;\
198 dst += 8*dstStride;\
199 OPNAME ## rv30_tpel8_hvv_lowpass(dst , src , dstStride, srcStride);\
200 OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
201}\
202\
203static void OPNAME ## rv30_tpel16_hhvv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
204 OPNAME ## rv30_tpel8_hhvv_lowpass(dst , src , dstStride, srcStride);\
205 OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
206 src += 8*srcStride;\
207 dst += 8*dstStride;\
208 OPNAME ## rv30_tpel8_hhvv_lowpass(dst , src , dstStride, srcStride);\
209 OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
210}\
211\
212
213#define RV30_MC(OPNAME, SIZE) \
214static void OPNAME ## rv30_tpel ## SIZE ## _mc10_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
215{\
216 OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 12, 6);\
217}\
218\
219static void OPNAME ## rv30_tpel ## SIZE ## _mc20_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
220{\
221 OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 6, 12);\
222}\
223\
224static void OPNAME ## rv30_tpel ## SIZE ## _mc01_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
225{\
226 OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\
227}\
228\
229static void OPNAME ## rv30_tpel ## SIZE ## _mc02_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
230{\
231 OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 6, 12);\
232}\
233\
234static void OPNAME ## rv30_tpel ## SIZE ## _mc11_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
235{\
236 OPNAME ## rv30_tpel ## SIZE ## _hv_lowpass(dst, src, stride, stride);\
237}\
238\
239static void OPNAME ## rv30_tpel ## SIZE ## _mc12_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
240{\
241 OPNAME ## rv30_tpel ## SIZE ## _hvv_lowpass(dst, src, stride, stride);\
242}\
243\
244static void OPNAME ## rv30_tpel ## SIZE ## _mc21_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
245{\
246 OPNAME ## rv30_tpel ## SIZE ## _hhv_lowpass(dst, src, stride, stride);\
247}\
248\
249static void OPNAME ## rv30_tpel ## SIZE ## _mc22_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
250{\
251 OPNAME ## rv30_tpel ## SIZE ## _hhvv_lowpass(dst, src, stride, stride);\
252}\
253\
254
255#define op_avg(a, b) a = (((a)+cm[b]+1)>>1)
256#define op_put(a, b) a = cm[b]
257
258RV30_LOWPASS(put_ , op_put)
259RV30_LOWPASS(avg_ , op_avg)
260RV30_MC(put_, 8)
261RV30_MC(put_, 16)
262RV30_MC(avg_, 8)
263RV30_MC(avg_, 16)
264
265av_cold void ff_rv30dsp_init(RV34DSPContext *c)
266{
267 H264ChromaContext h264chroma;
268 H264QpelContext qpel;
269
270 ff_rv34dsp_init(c);
271 ff_h264chroma_init(&h264chroma, 8);
272 ff_h264qpel_init(&qpel, 8);
273
274 c->put_pixels_tab[0][ 0] = qpel.put_h264_qpel_pixels_tab[0][0];
275 c->put_pixels_tab[0][ 1] = put_rv30_tpel16_mc10_c;
276 c->put_pixels_tab[0][ 2] = put_rv30_tpel16_mc20_c;
277 c->put_pixels_tab[0][ 4] = put_rv30_tpel16_mc01_c;
278 c->put_pixels_tab[0][ 5] = put_rv30_tpel16_mc11_c;
279 c->put_pixels_tab[0][ 6] = put_rv30_tpel16_mc21_c;
280 c->put_pixels_tab[0][ 8] = put_rv30_tpel16_mc02_c;
281 c->put_pixels_tab[0][ 9] = put_rv30_tpel16_mc12_c;
282 c->put_pixels_tab[0][10] = put_rv30_tpel16_mc22_c;
283 c->avg_pixels_tab[0][ 0] = qpel.avg_h264_qpel_pixels_tab[0][0];
284 c->avg_pixels_tab[0][ 1] = avg_rv30_tpel16_mc10_c;
285 c->avg_pixels_tab[0][ 2] = avg_rv30_tpel16_mc20_c;
286 c->avg_pixels_tab[0][ 4] = avg_rv30_tpel16_mc01_c;
287 c->avg_pixels_tab[0][ 5] = avg_rv30_tpel16_mc11_c;
288 c->avg_pixels_tab[0][ 6] = avg_rv30_tpel16_mc21_c;
289 c->avg_pixels_tab[0][ 8] = avg_rv30_tpel16_mc02_c;
290 c->avg_pixels_tab[0][ 9] = avg_rv30_tpel16_mc12_c;
291 c->avg_pixels_tab[0][10] = avg_rv30_tpel16_mc22_c;
292 c->put_pixels_tab[1][ 0] = qpel.put_h264_qpel_pixels_tab[1][0];
293 c->put_pixels_tab[1][ 1] = put_rv30_tpel8_mc10_c;
294 c->put_pixels_tab[1][ 2] = put_rv30_tpel8_mc20_c;
295 c->put_pixels_tab[1][ 4] = put_rv30_tpel8_mc01_c;
296 c->put_pixels_tab[1][ 5] = put_rv30_tpel8_mc11_c;
297 c->put_pixels_tab[1][ 6] = put_rv30_tpel8_mc21_c;
298 c->put_pixels_tab[1][ 8] = put_rv30_tpel8_mc02_c;
299 c->put_pixels_tab[1][ 9] = put_rv30_tpel8_mc12_c;
300 c->put_pixels_tab[1][10] = put_rv30_tpel8_mc22_c;
301 c->avg_pixels_tab[1][ 0] = qpel.avg_h264_qpel_pixels_tab[1][0];
302 c->avg_pixels_tab[1][ 1] = avg_rv30_tpel8_mc10_c;
303 c->avg_pixels_tab[1][ 2] = avg_rv30_tpel8_mc20_c;
304 c->avg_pixels_tab[1][ 4] = avg_rv30_tpel8_mc01_c;
305 c->avg_pixels_tab[1][ 5] = avg_rv30_tpel8_mc11_c;
306 c->avg_pixels_tab[1][ 6] = avg_rv30_tpel8_mc21_c;
307 c->avg_pixels_tab[1][ 8] = avg_rv30_tpel8_mc02_c;
308 c->avg_pixels_tab[1][ 9] = avg_rv30_tpel8_mc12_c;
309 c->avg_pixels_tab[1][10] = avg_rv30_tpel8_mc22_c;
310
311 c->put_chroma_pixels_tab[0] = h264chroma.put_h264_chroma_pixels_tab[0];
312 c->put_chroma_pixels_tab[1] = h264chroma.put_h264_chroma_pixels_tab[1];
313 c->avg_chroma_pixels_tab[0] = h264chroma.avg_h264_chroma_pixels_tab[0];
314 c->avg_chroma_pixels_tab[1] = h264chroma.avg_h264_chroma_pixels_tab[1];
315}