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| author | Mathieu Malaterre <mathieu.malaterre@gmail.com> | 2012-10-09 09:45:43 +0000 |
|---|---|---|
| committer | Mathieu Malaterre <mathieu.malaterre@gmail.com> | 2012-10-09 09:45:43 +0000 |
| commit | 2e30886a0d5b6fa0e03d5dae9948a080253d1b3b (patch) | |
| tree | 648199c5876ad1e543674fddc3fccebf266fffe4 /src/lib/openmj2/tgt.h | |
| parent | b18ffbd08ab758561b21133c8d7cd1b8e8c4f057 (diff) | |
[trunk] Fix openmj2/mj2 compilation
As reported on the mailing list, it is better to have a working (compiling) mj2 codec rather than nothing. mj2 uses it own copy of openjpeg 1.5
Update issue 177
Diffstat (limited to 'src/lib/openmj2/tgt.h')
| -rw-r--r-- | src/lib/openmj2/tgt.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/lib/openmj2/tgt.h b/src/lib/openmj2/tgt.h new file mode 100644 index 00000000..c08c8da0 --- /dev/null +++ b/src/lib/openmj2/tgt.h @@ -0,0 +1,114 @@ +/* + * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2007, Professor Benoit Macq + * Copyright (c) 2001-2003, David Janssens + * Copyright (c) 2002-2003, Yannick Verschueren + * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe + * Copyright (c) 2005, Herve Drolon, FreeImage Team + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __TGT_H +#define __TGT_H +/** +@file tgt.h +@brief Implementation of a tag-tree coder (TGT) + +The functions in TGT.C have for goal to realize a tag-tree coder. The functions in TGT.C +are used by some function in T2.C. +*/ + +/** @defgroup TGT TGT - Implementation of a tag-tree coder */ +/*@{*/ + +/** +Tag node +*/ +typedef struct opj_tgt_node { + struct opj_tgt_node *parent; + int value; + int low; + int known; +} opj_tgt_node_t; + +/** +Tag tree +*/ +typedef struct opj_tgt_tree { + int numleafsh; + int numleafsv; + int numnodes; + opj_tgt_node_t *nodes; +} opj_tgt_tree_t; + +/** @name Exported functions */ +/*@{*/ +/* ----------------------------------------------------------------------- */ +/** +Create a tag-tree +@param numleafsh Width of the array of leafs of the tree +@param numleafsv Height of the array of leafs of the tree +@return Returns a new tag-tree if successful, returns NULL otherwise +*/ +opj_tgt_tree_t *tgt_create(int numleafsh, int numleafsv); +/** +Destroy a tag-tree, liberating memory +@param tree Tag-tree to destroy +*/ +void tgt_destroy(opj_tgt_tree_t *tree); +/** +Reset a tag-tree (set all leaves to 0) +@param tree Tag-tree to reset +*/ +void tgt_reset(opj_tgt_tree_t *tree); +/** +Set the value of a leaf of a tag-tree +@param tree Tag-tree to modify +@param leafno Number that identifies the leaf to modify +@param value New value of the leaf +*/ +void tgt_setvalue(opj_tgt_tree_t *tree, int leafno, int value); +/** +Encode the value of a leaf of the tag-tree up to a given threshold +@param bio Pointer to a BIO handle +@param tree Tag-tree to modify +@param leafno Number that identifies the leaf to encode +@param threshold Threshold to use when encoding value of the leaf +*/ +void tgt_encode(opj_bio_t *bio, opj_tgt_tree_t *tree, int leafno, int threshold); +/** +Decode the value of a leaf of the tag-tree up to a given threshold +@param bio Pointer to a BIO handle +@param tree Tag-tree to decode +@param leafno Number that identifies the leaf to decode +@param threshold Threshold to use when decoding value of the leaf +@return Returns 1 if the node's value < threshold, returns 0 otherwise +*/ +int tgt_decode(opj_bio_t *bio, opj_tgt_tree_t *tree, int leafno, int threshold); +/* ----------------------------------------------------------------------- */ +/*@}*/ + +/*@}*/ + +#endif /* __TGT_H */ |
