Lines Matching defs:cinfo
78 start_pass_prep (j_compress_ptr cinfo, J_BUF_MODE pass_mode)
80 my_prep_ptr prep = (my_prep_ptr) cinfo->prep;
83 ERREXIT(cinfo, JERR_BAD_BUFFER_MODE);
86 prep->rows_to_go = cinfo->image_height;
95 prep->next_buf_stop = 2 * cinfo->max_v_samp_factor;
128 pre_process_data (j_compress_ptr cinfo,
134 my_prep_ptr prep = (my_prep_ptr) cinfo->prep;
143 numrows = cinfo->max_v_samp_factor - prep->next_buf_row;
145 (*cinfo->cconvert->color_convert) (cinfo, input_buf + *in_row_ctr,
154 prep->next_buf_row < cinfo->max_v_samp_factor) {
155 for (ci = 0; ci < cinfo->num_components; ci++) {
156 expand_bottom_edge(prep->color_buf[ci], cinfo->image_width,
157 prep->next_buf_row, cinfo->max_v_samp_factor);
159 prep->next_buf_row = cinfo->max_v_samp_factor;
162 if (prep->next_buf_row == cinfo->max_v_samp_factor) {
163 (*cinfo->downsample->downsample) (cinfo,
174 for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;
177 cinfo->min_DCT_v_scaled_size;
197 pre_process_context (j_compress_ptr cinfo,
203 my_prep_ptr prep = (my_prep_ptr) cinfo->prep;
205 int buf_height = cinfo->max_v_samp_factor * 3;
214 (*cinfo->cconvert->color_convert) (cinfo, input_buf + *in_row_ctr,
219 if (prep->rows_to_go == cinfo->image_height) {
220 for (ci = 0; ci < cinfo->num_components; ci++) {
222 for (row = 1; row <= cinfo->max_v_samp_factor; row++) {
225 1, cinfo->image_width);
238 for (ci = 0; ci < cinfo->num_components; ci++) {
239 expand_bottom_edge(prep->color_buf[ci], cinfo->image_width,
247 (*cinfo->downsample->downsample) (cinfo,
253 prep->this_row_group += cinfo->max_v_samp_factor;
258 prep->next_buf_stop = prep->next_buf_row + cinfo->max_v_samp_factor;
269 create_context_buffer (j_compress_ptr cinfo)
271 my_prep_ptr prep = (my_prep_ptr) cinfo->prep;
272 int rgroup_height = cinfo->max_v_samp_factor;
281 (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
282 (cinfo->num_components * 5 * rgroup_height) *
285 for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;
291 true_buffer = (*cinfo->mem->alloc_sarray)
292 ((j_common_ptr) cinfo, JPOOL_IMAGE,
294 cinfo->min_DCT_h_scaled_size *
295 cinfo->max_h_samp_factor) / compptr->h_samp_factor),
318 jinit_c_prep_controller (j_compress_ptr cinfo, boolean need_full_buffer)
325 ERREXIT(cinfo, JERR_BAD_BUFFER_MODE);
328 (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
330 cinfo->prep = (struct jpeg_c_prep_controller *) prep;
337 if (cinfo->downsample->need_context_rows) {
341 create_context_buffer(cinfo);
343 ERREXIT(cinfo, JERR_NOT_COMPILED);
348 for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;
350 prep->color_buf[ci] = (*cinfo->mem->alloc_sarray)
351 ((j_common_ptr) cinfo, JPOOL_IMAGE,
353 cinfo->min_DCT_h_scaled_size *
354 cinfo->max_h_samp_factor) / compptr->h_samp_factor),
355 (JDIMENSION) cinfo->max_v_samp_factor);