94 static int prepare_raw_frame(struct fwht_raw_frame *rf,  in prepare_raw_frame()  argument
98 	rf->luma = buf;  in prepare_raw_frame()
99 	rf->width_div = info->width_div;  in prepare_raw_frame()
100 	rf->height_div = info->height_div;  in prepare_raw_frame()
101 	rf->luma_alpha_step = info->luma_alpha_step;  in prepare_raw_frame()
102 	rf->chroma_step = info->chroma_step;  in prepare_raw_frame()
103 	rf->alpha = NULL;  in prepare_raw_frame()
104 	rf->components_num = info->components_num;  in prepare_raw_frame()
111 		rf->luma = NULL;  in prepare_raw_frame()
112 		rf->cb = NULL;  in prepare_raw_frame()
113 		rf->cr = NULL;  in prepare_raw_frame()
114 		rf->alpha = NULL;  in prepare_raw_frame()
119 		rf->cb = NULL;  in prepare_raw_frame()
120 		rf->cr = NULL;  in prepare_raw_frame()
123 		rf->cb = rf->luma + size;  in prepare_raw_frame()
124 		rf->cr = rf->cb + size / 4;  in prepare_raw_frame()
127 		rf->cr = rf->luma + size;  in prepare_raw_frame()
128 		rf->cb = rf->cr + size / 4;  in prepare_raw_frame()
131 		rf->cb = rf->luma + size;  in prepare_raw_frame()
132 		rf->cr = rf->cb + size / 2;  in prepare_raw_frame()
137 		rf->cb = rf->luma + size;  in prepare_raw_frame()
138 		rf->cr = rf->cb + 1;  in prepare_raw_frame()
143 		rf->cr = rf->luma + size;  in prepare_raw_frame()
144 		rf->cb = rf->cr + 1;  in prepare_raw_frame()
147 		rf->cb = rf->luma + 1;  in prepare_raw_frame()
148 		rf->cr = rf->cb + 2;  in prepare_raw_frame()
151 		rf->cr = rf->luma + 1;  in prepare_raw_frame()
152 		rf->cb = rf->cr + 2;  in prepare_raw_frame()
155 		rf->cb = rf->luma;  in prepare_raw_frame()
156 		rf->cr = rf->cb + 2;  in prepare_raw_frame()
157 		rf->luma++;  in prepare_raw_frame()
160 		rf->cr = rf->luma;  in prepare_raw_frame()
161 		rf->cb = rf->cr + 2;  in prepare_raw_frame()
162 		rf->luma++;  in prepare_raw_frame()
166 		rf->cr = rf->luma;  in prepare_raw_frame()
167 		rf->cb = rf->cr + 2;  in prepare_raw_frame()
168 		rf->luma++;  in prepare_raw_frame()
171 		rf->cb = rf->luma;  in prepare_raw_frame()
172 		rf->cr = rf->cb + 2;  in prepare_raw_frame()
173 		rf->luma++;  in prepare_raw_frame()
179 		rf->alpha = rf->luma;  in prepare_raw_frame()
180 		rf->cr = rf->luma + 1;  in prepare_raw_frame()
181 		rf->cb = rf->cr + 2;  in prepare_raw_frame()
182 		rf->luma += 2;  in prepare_raw_frame()
187 		rf->cb = rf->luma;  in prepare_raw_frame()
188 		rf->cr = rf->cb + 2;  in prepare_raw_frame()
189 		rf->luma++;  in prepare_raw_frame()
190 		rf->alpha = rf->cr + 1;  in prepare_raw_frame()
194 		rf->alpha = rf->luma;  in prepare_raw_frame()
195 		rf->cb = rf->luma + 1;  in prepare_raw_frame()
196 		rf->cr = rf->cb + 2;  in prepare_raw_frame()
197 		rf->luma += 2;  in prepare_raw_frame()
201 		rf->alpha = rf->luma + 3;  in prepare_raw_frame()
202 		rf->cr = rf->luma;  in prepare_raw_frame()
203 		rf->cb = rf->cr + 2;  in prepare_raw_frame()
204 		rf->luma++;  in prepare_raw_frame()
219 	struct fwht_raw_frame rf;  in v4l2_fwht_encode()  local
226 	if (prepare_raw_frame(&rf, info, p_in, size))  in v4l2_fwht_encode()
240 	encoding = fwht_encode_frame(&rf, &state->ref_frame, &cf,  in v4l2_fwht_encode()
269 	if (rf.height_div == 1)  in v4l2_fwht_encode()
271 	if (rf.width_div == 1)  in v4l2_fwht_encode()