CTX_POSTPONED_ROW CTX_PREPARE_FOR_IMCU CTX_PROCESS_IMCU jinit_d_main_controller JPEG_INTERNALS make_funny_pointers METHODDEF my_main_ptr process_data_context_main process_data_simple_main set_bottom_pointers set_wraparound_pointers start_pass_main

process_data_simple_main ( j_decompress_ptr  cinfo, JSAMPARRAY  output_buf, JDIMENSION *  out_row_ctr, JDIMENSION  out_rows_avail  ) Definition at line 345 of file jdmainct.c. { my_main_ptr main = (my_main_ptr) cinfo->main; JDIMENSION rowgroups_avail; /* Read input data if we haven't filled the main buffer yet */ if (! main->buffer_full) { if (! (*cinfo->coef->decompress_data) (cinfo, main->buffer)) return; /* suspension forced, can do nothing more */ main->buffer_full = TRUE; /* OK, we have an iMCU row to work with */ } /* There are always min_DCT_scaled_size row groups in an iMCU row. */ rowgroups_avail = (JDIMENSION) cinfo->min_DCT_v_scaled_size; /* Note: at the bottom of the image, we may pass extra garbage row groups * to the postprocessor. The postprocessor has to check for bottom * of image anyway (at row resolution), so no point in us doing it too. */ /* Feed the postprocessor */ (*cinfo->post->post_process_data) (cinfo, main->buffer, &main->rowgroup_ctr, rowgroups_avail, output_buf, out_row_ctr, out_rows_avail); /* Has postprocessor consumed all the data yet? If so, mark buffer empty */ if (main->rowgroup_ctr >= rowgroups_avail) { main->buffer_full = FALSE; main->rowgroup_ctr = 0; } }