8  * This file contains master control logic for the JPEG decompressor.
80  * Also note that it may be called before the master module is initialized!
85 /* Do computations that are needed before master selection phase */  in jpeg_calc_output_dimensions()
277  * Master selection of decompression modules.
290   my_master_ptr master = (my_master_ptr) cinfo->master;  in master_selection()  local
306   master->pass_number = 0;  in master_selection()
307   master->using_merged_upsample = use_merged_upsample(cinfo);  in master_selection()
310   master->quantizer_1pass = NULL;  in master_selection()
311   master->quantizer_2pass = NULL;  in master_selection()
338       master->quantizer_1pass = cinfo->cquantize;  in master_selection()
348       master->quantizer_2pass = cinfo->cquantize;  in master_selection()
360     if (master->using_merged_upsample) {  in master_selection()
422     master->pass_number++;  in master_selection()
440   my_master_ptr master = (my_master_ptr) cinfo->master;  in prepare_for_output_pass()  local
442   if (master->pub.is_dummy_pass) {  in prepare_for_output_pass()
445     master->pub.is_dummy_pass = FALSE;  in prepare_for_output_pass()
456 	cinfo->cquantize = master->quantizer_2pass;  in prepare_for_output_pass()
457 	master->pub.is_dummy_pass = TRUE;  in prepare_for_output_pass()
459 	cinfo->cquantize = master->quantizer_1pass;  in prepare_for_output_pass()
467       if (! master->using_merged_upsample)  in prepare_for_output_pass()
471 	(*cinfo->cquantize->start_pass) (cinfo, master->pub.is_dummy_pass);  in prepare_for_output_pass()
473 	    (master->pub.is_dummy_pass ? JBUF_SAVE_AND_PASS : JBUF_PASS_THRU));  in prepare_for_output_pass()
480     cinfo->progress->completed_passes = master->pass_number;  in prepare_for_output_pass()
481     cinfo->progress->total_passes = master->pass_number +  in prepare_for_output_pass()
482 				    (master->pub.is_dummy_pass ? 2 : 1);  in prepare_for_output_pass()
500   my_master_ptr master = (my_master_ptr) cinfo->master;  in finish_output_pass()  local
504   master->pass_number++;  in finish_output_pass()
517   my_master_ptr master = (my_master_ptr) cinfo->master;  in jpeg_new_colormap()  local
526     cinfo->cquantize = master->quantizer_2pass;  in jpeg_new_colormap()
529     master->pub.is_dummy_pass = FALSE; /* just in case */  in jpeg_new_colormap()
538  * Initialize master decompression control and select active modules.
545   my_master_ptr master;  in jinit_master_decompress()  local
547   master = (my_master_ptr)  in jinit_master_decompress()
550   cinfo->master = (struct jpeg_decomp_master *) master;  in jinit_master_decompress()
551   master->pub.prepare_for_output_pass = prepare_for_output_pass;  in jinit_master_decompress()
552   master->pub.finish_output_pass = finish_output_pass;  in jinit_master_decompress()
554   master->pub.is_dummy_pass = FALSE;  in jinit_master_decompress()