transencode_master_selection (j_compress_ptr cinfo, jvirt_barray_ptr * coef_arrays) { /* Initialize master control (includes parameter checking/processing) */ jinit_c_master_control(cinfo, TRUE /* transcode only */); /* Entropy encoding: either Huffman or arithmetic coding. */ if (cinfo->arith_code) jinit_arith_encoder(cinfo); else { jinit_huff_encoder(cinfo); } /* We need a special coefficient buffer controller. */ transencode_coef_controller(cinfo, coef_arrays); jinit_marker_writer(cinfo); /* We can now tell the memory manager to allocate virtual arrays. */ (*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo); /* Write the datastream header (SOI, JFIF) immediately. * Frame and scan headers are postponed till later. * This lets application insert special markers after the SOI. */ (*cinfo->marker->write_file_header) (cinfo); }
GLOBAL(void)jinit_compress_master(j_compress_ptr cinfo) { /* Initialize master control (includes parameter checking/processing) */ jinit_c_master_control(cinfo); /* Preprocessing */ #ifndef JPEG_ENC_OPT /* Forward DCT */ #ifndef DBUG_pk0157s jinit_forward_dct(cinfo); #endif #endif /* Entropy encoding: either Huffman or arithmetic coding. */ #ifndef JPEG_ENC_OPT //bmy 04.12.29 jpeg_enc_opt + jinit_huff_encoder(cinfo); #endif //bmy 04.12.29 jpeg_enc_opt + /* Need a full-image coefficient buffer in any multi-pass mode. */ jinit_c_coef_controller(cinfo); /* We can now tell the memory manager to allocate virtual arrays. */ // realize_virt_arrays ((j_common_ptr) cinfo); /* Write the datastream header (SOI) immediately. * Frame and scan headers are postponed till later. * This lets application insert special markers after the SOI. */ write_file_header(cinfo); }
transencode_master_selection (j_compress_ptr cinfo, jvirt_barray_ptr * coef_arrays) { cinfo->data_unit = DCTSIZE; /* Although we don't actually use input_components for transcoding, * jcmaster.c's initial_setup will complain if input_components is 0. */ cinfo->input_components = 1; /* Initialize master control (includes parameter checking/processing) */ jinit_c_master_control(cinfo, TRUE /* transcode only */); /* We need a special compression codec. */ transencode_codec(cinfo, coef_arrays); jinit_marker_writer(cinfo); /* We can now tell the memory manager to allocate virtual arrays. */ (*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo); /* Write the datastream header (SOI, JFIF) immediately. * Frame and scan headers are postponed till later. * This lets application insert special markers after the SOI. */ (*cinfo->marker->write_file_header) (cinfo); }
jinit_compress_master (j_compress_ptr cinfo) { /* Initialize master control (includes parameter checking/processing) */ jinit_c_master_control(cinfo, FALSE /* full compression */); /* Initialize compression codec */ jinit_c_codec(cinfo); /* Preprocessing */ if (! cinfo->raw_data_in) { jinit_color_converter(cinfo); jinit_downsampler(cinfo); jinit_c_prep_controller(cinfo, FALSE /* never need full buffer here */); } jinit_c_main_controller(cinfo, FALSE /* never need full buffer here */); jinit_marker_writer(cinfo); /* We can now tell the memory manager to allocate virtual arrays. */ (*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo); /* Write the datastream header (SOI) immediately. * Frame and scan headers are postponed till later. * This lets application insert special markers after the SOI. */ (*cinfo->marker->write_file_header) (cinfo); }
jinit_compress_master (j_compress_ptr cinfo) { /* Initialize master control (includes parameter checking/processing) */ jinit_c_master_control(cinfo, FALSE /* full compression */); /* Preprocessing */ if (! cinfo->raw_data_in) { jinit_color_converter(cinfo); jinit_downsampler(cinfo); jinit_c_prep_controller(cinfo, FALSE /* never need full buffer here */); } /* Forward DCT */ jinit_forward_dct(cinfo); /* Entropy encoding: either Huffman or arithmetic coding. */ if (cinfo->arith_code) { #ifdef C_ARITH_CODING_SUPPORTED jinit_arith_encoder(cinfo); #else ERREXIT(cinfo, JERR_ARITH_NOTIMPL); #endif } else { if (cinfo->progressive_mode) { #ifdef C_PROGRESSIVE_SUPPORTED jinit_phuff_encoder(cinfo); #else ERREXIT(cinfo, JERR_NOT_COMPILED); #endif } else jinit_huff_encoder(cinfo); } /* Need a full-image coefficient buffer in any multi-pass mode. */ jinit_c_coef_controller(cinfo, (boolean) (cinfo->num_scans > 1 || cinfo->optimize_coding)); jinit_c_main_controller(cinfo, FALSE /* never need full buffer here */); jinit_marker_writer(cinfo); /* We can now tell the memory manager to allocate virtual arrays. */ (*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo); /* Write the datastream header (SOI) immediately. * Frame and scan headers are postponed till later. * This lets application insert special markers after the SOI. */ (*cinfo->marker->write_file_header) (cinfo); }
transencode_master_selection (j_compress_ptr cinfo, jvirt_barray_ptr * coef_arrays) { /* Although we don't actually use input_components for transcoding, * jcmaster.c's initial_setup will complain if input_components is 0. */ cinfo->input_components = 1; /* Initialize master control (includes parameter checking/processing) */ jinit_c_master_control(cinfo, TRUE /* transcode only */); /* Entropy encoding: either Huffman or arithmetic coding. */ if (cinfo->arith_code) { ERREXIT(cinfo, JERR_ARITH_NOTIMPL); } else { if (cinfo->progressive_mode) { #ifdef C_PROGRESSIVE_SUPPORTED jinit_phuff_encoder(cinfo); #else ERREXIT(cinfo, JERR_NOT_COMPILED); #endif } else jinit_huff_encoder(cinfo); } /* We need a special coefficient buffer controller. */ transencode_coef_controller(cinfo, coef_arrays); jinit_marker_writer(cinfo); /* We can now tell the memory manager to allocate virtual arrays. */ (*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo); /* Write the datastream header (SOI, JFIF) immediately. * Frame and scan headers are postponed till later. * This lets application insert special markers after the SOI. */ (*cinfo->marker->write_file_header) (cinfo); }