From cc07c64bdef46f4d25c2203e874f91ee94583f56 Mon Sep 17 00:00:00 2001 From: dan miller Date: Thu, 18 Oct 2007 08:29:49 +0000 Subject: one more time --- libraries/openjpeg-libsl/libopenjpeg/t2.h | 102 ++++++++++++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 libraries/openjpeg-libsl/libopenjpeg/t2.h (limited to 'libraries/openjpeg-libsl/libopenjpeg/t2.h') diff --git a/libraries/openjpeg-libsl/libopenjpeg/t2.h b/libraries/openjpeg-libsl/libopenjpeg/t2.h new file mode 100644 index 0000000..87ed2d2 --- /dev/null +++ b/libraries/openjpeg-libsl/libopenjpeg/t2.h @@ -0,0 +1,102 @@ +/* + * 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 __T2_H +#define __T2_H +/** +@file t2.h +@brief Implementation of a tier-2 coding (packetization of code-block data) (T2) + +*/ + +/** @defgroup T2 T2 - Implementation of a tier-2 coding */ +/*@{*/ + +/** +Tier-2 coding +*/ +typedef struct opj_t2 { + /** codec context */ + opj_common_ptr cinfo; + + /** Encoding: pointer to the src image. Decoding: pointer to the dst image. */ + opj_image_t *image; + /** pointer to the image coding parameters */ + opj_cp_t *cp; +} opj_t2_t; + +/** @name Exported functions */ +/*@{*/ +/* ----------------------------------------------------------------------- */ + +/** +Encode the packets of a tile to a destination buffer +@param t2 T2 handle +@param tileno number of the tile encoded +@param tile the tile for which to write the packets +@param maxlayers maximum number of layers +@param dest the destination buffer +@param len the length of the destination buffer +@param image_info structure to create an index file +@param tpnum Tile part number of the current tile +@param tppos The position of the tile part flag in the progression order +@param t2_mode If == 0 In Threshold calculation ,If == 1 Final pass +*/ +int t2_encode_packets(opj_t2_t* t2,int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_image_info_t *image_info,int tpnum, int tppos,int pino,J2K_T2_MODE t2_mode); +/** +Decode the packets of a tile from a source buffer +@param t2 T2 handle +@param src the source buffer +@param len length of the source buffer +@param tileno number that identifies the tile for which to decode the packets +@param tile tile for which to decode the packets + */ +int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj_tcd_tile_t *tile); + +/** +Create a T2 handle +@param cinfo Codec context info +@param image Source or destination image +@param cp Image coding parameters +@return Returns a new T2 handle if successful, returns NULL otherwise +*/ +opj_t2_t* t2_create(opj_common_ptr cinfo, opj_image_t *image, opj_cp_t *cp); +/** +Destroy a T2 handle +@param t2 T2 handle to destroy +*/ +void t2_destroy(opj_t2_t *t2); + +/* ----------------------------------------------------------------------- */ +/*@}*/ + +/*@}*/ + +#endif /* __T2_H */ -- cgit v1.1