jinit_d_main_controller(j_decompress_ptr cinfo, boolean need_full_buffer) { my_main_ptr main; int ci, rgroup, ngroups; jpeg_component_info *compptr; main = (my_main_ptr) (*cinfo->mem->alloc_small)((j_common_ptr) cinfo, JPOOL_IMAGE, SIZEOF(my_main_controller)); cinfo->main = (struct jpeg_d_main_controller *) main; main->pub.start_pass = start_pass_main; if (need_full_buffer) /* shouldn't happen */ ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); /* Allocate the workspace. * ngroups is the number of row groups we need. */ if (cinfo->upsample->need_context_rows) { if (cinfo->min_DCT_v_scaled_size < 2) /* unsupported, see comments above */ ERREXIT(cinfo, JERR_NOTIMPL); alloc_funny_pointers(cinfo); /* Alloc space for xbuffer[] lists */ ngroups = cinfo->min_DCT_v_scaled_size + 2; } else ngroups = cinfo->min_DCT_v_scaled_size; for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; ci++, compptr++) { rgroup = (compptr->v_samp_factor * compptr->DCT_v_scaled_size) / cinfo->min_DCT_v_scaled_size; /* height of a row group of component */ main->buffer[ci] = (*cinfo->mem->alloc_sarray) ((j_common_ptr) cinfo, JPOOL_IMAGE, compptr->width_in_blocks * compptr->DCT_h_scaled_size, (JDIMENSION)(rgroup * ngroups)); } }
jinit_d_main_controller (j_decompress_ptr cinfo, boolean need_full_buffer) { my_main_ptr main; __boundcheck_metadata_store((void *)(&main),(void *)((size_t)(&main)+sizeof(main)*8-1)); int ci; __boundcheck_metadata_store((void *)(&ci),(void *)((size_t)(&ci)+sizeof(ci)*8-1)); int rgroup; __boundcheck_metadata_store((void *)(&rgroup),(void *)((size_t)(&rgroup)+sizeof(rgroup)*8-1)); int ngroups; __boundcheck_metadata_store((void *)(&ngroups),(void *)((size_t)(&ngroups)+sizeof(ngroups)*8-1)); jpeg_component_info *compptr; __boundcheck_metadata_store((void *)(&compptr),(void *)((size_t)(&compptr)+sizeof(compptr)*8-1)); main = (my_main_ptr) (*(void *(*)(j_common_ptr, int, size_t))(__boundcheck_ptr_reference(483,19,"jinit_d_main_controller",(void *)(cinfo->mem->alloc_small),(void *)cinfo->mem->alloc_small))) ((j_common_ptr) cinfo, JPOOL_IMAGE, SIZEOF(my_main_controller)); cinfo->main = (struct jpeg_d_main_controller *) main; main->pub.start_pass = start_pass_main; if (need_full_buffer) /* shouldn't happen */ ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); /* Allocate the workspace. * ngroups is the number of row groups we need. */ if (cinfo->upsample->need_context_rows) { if (cinfo->min_DCT_scaled_size < 2) /* unsupported, see comments above */ ERREXIT(cinfo, JERR_NOTIMPL); alloc_funny_pointers(cinfo); /* Alloc space for xbuffer[] lists */ ngroups = cinfo->min_DCT_scaled_size + 2; } else { ngroups = cinfo->min_DCT_scaled_size; } for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; ci++, compptr++) { rgroup = (compptr->v_samp_factor * compptr->DCT_scaled_size) / cinfo->min_DCT_scaled_size; /* height of a row group of component */ main->buffer[_RV_insert_check(0,10,507,5,"jinit_d_main_controller",ci)] = (*(JSAMPARRAY (*)(j_common_ptr, int, JDIMENSION, JDIMENSION))(__boundcheck_ptr_reference(507,38,"jinit_d_main_controller",(void *)(cinfo->mem->alloc_sarray),(void *)cinfo->mem->alloc_sarray))) ((j_common_ptr) cinfo, JPOOL_IMAGE, compptr->width_in_blocks * compptr->DCT_scaled_size, (JDIMENSION) (rgroup * ngroups)); } }