60     const ptrdiff_t synth_width  = width  << 1;  in vc2_subband_dwt_97()  local
68         for (x = 0; x < synth_width; x++)  in vc2_subband_dwt_97()
70         synthl += synth_width;  in vc2_subband_dwt_97()
82         synthl[synth_width - 1] -= (17*synthl[synth_width - 2] -  in vc2_subband_dwt_97()
83                                     synthl[synth_width - 4] + 8) >> 4;  in vc2_subband_dwt_97()
84         synthl[synth_width - 3] -= (8*synthl[synth_width - 2] +  in vc2_subband_dwt_97()
85                                     9*synthl[synth_width - 4] -  in vc2_subband_dwt_97()
86                                     synthl[synth_width - 6] + 8) >> 4;  in vc2_subband_dwt_97()
92         synthl[synth_width - 2] += (synthl[synth_width - 3] +  in vc2_subband_dwt_97()
93                                     synthl[synth_width - 1] + 2) >> 2;  in vc2_subband_dwt_97()
94         synthl += synth_width;  in vc2_subband_dwt_97()
98     synthl = synth + synth_width;  in vc2_subband_dwt_97()
99     for (x = 0; x < synth_width; x++)  in vc2_subband_dwt_97()
100         synthl[x] -= (8*synthl[x - synth_width] + 9*synthl[x + synth_width] -  in vc2_subband_dwt_97()
101                       synthl[x + 3 * synth_width] + 8) >> 4;  in vc2_subband_dwt_97()
103     synthl = synth + (synth_width << 1);  in vc2_subband_dwt_97()
105         for (x = 0; x < synth_width; x++)  in vc2_subband_dwt_97()
106             synthl[x + synth_width] -= (9*synthl[x] +  in vc2_subband_dwt_97()
107                                         9*synthl[x + 2 * synth_width] -  in vc2_subband_dwt_97()
108                                         synthl[x - 2 * synth_width] -  in vc2_subband_dwt_97()
109                                         synthl[x + 4 * synth_width] + 8) >> 4;  in vc2_subband_dwt_97()
110         synthl += synth_width << 1;  in vc2_subband_dwt_97()
113     synthl = synth + (synth_height - 1) * synth_width;  in vc2_subband_dwt_97()
114     for (x = 0; x < synth_width; x++) {  in vc2_subband_dwt_97()
115         synthl[x] -= (17*synthl[x - synth_width] -  in vc2_subband_dwt_97()
116                       synthl[x - 3*synth_width] + 8) >> 4;  in vc2_subband_dwt_97()
117                       synthl[x - 2*synth_width] -= (9*synthl[x - 3*synth_width] +  in vc2_subband_dwt_97()
118                       8*synthl[x - 1*synth_width] - synthl[x - 5*synth_width] + 8) >> 4;  in vc2_subband_dwt_97()
123     for (x = 0; x < synth_width; x++)  in vc2_subband_dwt_97()
124         synthl[x] += (synthl[x + synth_width] + synthl[x + synth_width] + 2) >> 2;  in vc2_subband_dwt_97()
126     synthl = synth + (synth_width << 1);  in vc2_subband_dwt_97()
128         for (x = 0; x < synth_width; x++)  in vc2_subband_dwt_97()
129             synthl[x] += (synthl[x - synth_width] + synthl[x + synth_width] + 2) >> 2;  in vc2_subband_dwt_97()
130         synthl += synth_width << 1;  in vc2_subband_dwt_97()
133     synthl = synth + (synth_height - 2) * synth_width;  in vc2_subband_dwt_97()
134     for (x = 0; x < synth_width; x++)  in vc2_subband_dwt_97()
135         synthl[x] += (synthl[x - synth_width] + synthl[x + synth_width] + 2) >> 2;  in vc2_subband_dwt_97()
145     const ptrdiff_t synth_width  = width  << 1;  in vc2_subband_dwt_53()  local
153         for (x = 0; x < synth_width; x++)  in vc2_subband_dwt_53()
155         synthl += synth_width;  in vc2_subband_dwt_53()
166         synthl[synth_width - 1] -= (2*synthl[synth_width - 2] + 1) >> 1;  in vc2_subband_dwt_53()
173         synthl[synth_width - 2] += (synthl[synth_width - 3] + synthl[synth_width - 1] + 2) >> 2;  in vc2_subband_dwt_53()
175         synthl += synth_width;  in vc2_subband_dwt_53()
179     synthl = synth + synth_width;  in vc2_subband_dwt_53()
180     for (x = 0; x < synth_width; x++)  in vc2_subband_dwt_53()
181         synthl[x] -= (synthl[x - synth_width] + synthl[x + synth_width] + 1) >> 1;  in vc2_subband_dwt_53()
183     synthl = synth + (synth_width << 1);  in vc2_subband_dwt_53()
185         for (x = 0; x < synth_width; x++)  in vc2_subband_dwt_53()
186             synthl[x + synth_width] -= (synthl[x] + synthl[x + synth_width * 2] + 1) >> 1;  in vc2_subband_dwt_53()
187         synthl += (synth_width << 1);  in vc2_subband_dwt_53()
190     synthl = synth + (synth_height - 1) * synth_width;  in vc2_subband_dwt_53()
191     for (x = 0; x < synth_width; x++)  in vc2_subband_dwt_53()
192         synthl[x] -= (2*synthl[x - synth_width] + 1) >> 1;  in vc2_subband_dwt_53()
196     for (x = 0; x < synth_width; x++)  in vc2_subband_dwt_53()
197         synthl[x] += (2*synthl[synth_width + x] + 2) >> 2;  in vc2_subband_dwt_53()
199     synthl = synth + (synth_width << 1);  in vc2_subband_dwt_53()
201         for (x = 0; x < synth_width; x++)  in vc2_subband_dwt_53()
202             synthl[x] += (synthl[x + synth_width] + synthl[x - synth_width] + 2) >> 2;  in vc2_subband_dwt_53()
203         synthl += (synth_width << 1);  in vc2_subband_dwt_53()
206     synthl = synth + (synth_height - 2)*synth_width;  in vc2_subband_dwt_53()
207     for (x = 0; x < synth_width; x++)  in vc2_subband_dwt_53()
208         synthl[x] += (synthl[x - synth_width] + synthl[x + synth_width] + 2) >> 2;  in vc2_subband_dwt_53()
220     const ptrdiff_t synth_width  = width  << 1;  in dwt_haar()  local
225         for (x = 0; x < synth_width; x += 2) {  in dwt_haar()
226             synthl[y*synth_width + x + 1] = (datal[y*stride + x + 1] << s) -  in dwt_haar()
228             synthl[y*synth_width + x] = (datal[y*stride + x + 0] << s) +  in dwt_haar()
229                                         ((synthl[y*synth_width + x + 1] + 1) >> 1);  in dwt_haar()
234     for (x = 0; x < synth_width; x++) {  in dwt_haar()
236             synthl[(y + 1)*synth_width + x] = synthl[(y + 1)*synth_width + x] -  in dwt_haar()
237                                               synthl[y*synth_width + x];  in dwt_haar()
238             synthl[y*synth_width + x] = synthl[y*synth_width + x] +  in dwt_haar()
239                                         ((synthl[(y + 1)*synth_width + x] + 1) >> 1);  in dwt_haar()