Cross Reference: /external/qemu/distrib/jpeg-6b/jdphuff.c

Lines Matching refs:entropy
8  * This file contains Huffman entropy decoding routines for progressive JPEG.
26  * Expanded entropy decoder object for progressive Huffman decoding.
97   phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy;
154       entropy->pub.decode_mcu = decode_mcu_DC_first;
156       entropy->pub.decode_mcu = decode_mcu_AC_first;
159       entropy->pub.decode_mcu = decode_mcu_DC_refine;
161       entropy->pub.decode_mcu = decode_mcu_AC_refine;
173 				& entropy->derived_tbls[tbl]);
178 			      & entropy->derived_tbls[tbl]);
180       entropy->ac_derived_tbl = entropy->derived_tbls[tbl];
183     entropy->saved.last_dc_val[ci] = 0;
187   entropy->bitstate.bits_left = 0;
188   entropy->bitstate.get_buffer = 0; /* unnecessary, but keeps Purify quiet */
189   entropy->pub.insufficient_data = FALSE;
192   entropy->saved.EOBRUN = 0;
195   entropy->restarts_to_go = cinfo->restart_interval;
233   phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy;
238   cinfo->marker->discarded_bytes += entropy->bitstate.bits_left / 8;
239   entropy->bitstate.bits_left = 0;
247     entropy->saved.last_dc_val[ci] = 0;
249   entropy->saved.EOBRUN = 0;
252   entropy->restarts_to_go = cinfo->restart_interval;
260     entropy->pub.insufficient_data = FALSE;
291   phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy;
303     if (entropy->restarts_to_go == 0)
311   if (! entropy->pub.insufficient_data) {
314     BITREAD_LOAD_STATE(cinfo,entropy->bitstate);
315     ASSIGN_STATE(state, entropy->saved);
323       tbl = entropy->derived_tbls[compptr->dc_tbl_no];
343     BITREAD_SAVE_STATE(cinfo,entropy->bitstate);
344     ASSIGN_STATE(entropy->saved, state);
348   entropy->restarts_to_go--;
362   phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy;
373     if (entropy->restarts_to_go == 0)
381   if (! entropy->pub.insufficient_data) {
386     EOBRUN = entropy->saved.EOBRUN;	/* only part of saved state we need */
393       BITREAD_LOAD_STATE(cinfo,entropy->bitstate);
395       tbl = entropy->ac_derived_tbl;
424       BITREAD_SAVE_STATE(cinfo,entropy->bitstate);
428     entropy->saved.EOBRUN = EOBRUN;	/* only part of saved state we need */
432   entropy->restarts_to_go--;
447   phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy;
455     if (entropy->restarts_to_go == 0)
465   BITREAD_LOAD_STATE(cinfo,entropy->bitstate);
480   BITREAD_SAVE_STATE(cinfo,entropy->bitstate);
483   entropy->restarts_to_go--;
496   phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy;
511     if (entropy->restarts_to_go == 0)
518   if (! entropy->pub.insufficient_data) {
521     BITREAD_LOAD_STATE(cinfo,entropy->bitstate);
522     EOBRUN = entropy->saved.EOBRUN; /* only part of saved state we need */
526     tbl = entropy->ac_derived_tbl;
621     BITREAD_SAVE_STATE(cinfo,entropy->bitstate);
622     entropy->saved.EOBRUN = EOBRUN; /* only part of saved state we need */
626   entropy->restarts_to_go--;
647   phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy;
649   offset->EOBRUN = entropy->saved.EOBRUN;
651     offset->prev_dc[i] = entropy->saved.last_dc_val[i];
663   phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy;
667     if (entropy->restarts_to_go == 0)
673   offset->restarts_to_go = (unsigned short) entropy->restarts_to_go;
678       + entropy->bitstate.bits_left;
680   offset->get_buffer = entropy->bitstate.get_buffer;
692   phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy;
694   entropy->saved.EOBRUN = offset.EOBRUN;
696     entropy->saved.last_dc_val[i] = offset.prev_dc[i];
706 	phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy;
710   entropy->restarts_to_go = offset.restarts_to_go;
728   phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy;
743  * Module initialization routine for progressive Huffman entropy decoding.
748   phuff_entropy_ptr entropy;
752   entropy = (phuff_entropy_ptr)
755   cinfo->entropy = (struct jpeg_entropy_decoder *) entropy;
756   entropy->pub.start_pass = start_pass_phuff_decoder;
757   entropy->pub.configure_huffman_decoder = configure_huffman_decoder;
758   entropy->pub.get_huffman_decoder_configuration =
763     entropy->derived_tbls[i] = NULL;