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Diffstat (limited to 'tests/openjpeg/libopenjpeg/t1.h')
| -rw-r--r-- | tests/openjpeg/libopenjpeg/t1.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/tests/openjpeg/libopenjpeg/t1.h b/tests/openjpeg/libopenjpeg/t1.h new file mode 100644 index 00000000..572ec88d --- /dev/null +++ b/tests/openjpeg/libopenjpeg/t1.h @@ -0,0 +1,147 @@ +/* + * 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 __T1_H +#define __T1_H +/** +@file t1.h +@brief Implementation of the tier-1 coding (coding of code-block coefficients) (T1) + +The functions in T1.C have for goal to realize the tier-1 coding operation. The functions +in T1.C are used by some function in TCD.C. +*/ + +/** @defgroup T1 T1 - Implementation of the tier-1 coding */ +/*@{*/ + +/* ----------------------------------------------------------------------- */ +#define T1_NMSEDEC_BITS 7 + +#define T1_SIG_NE 0x0001 /**< Context orientation : North-East direction */ +#define T1_SIG_SE 0x0002 /**< Context orientation : South-East direction */ +#define T1_SIG_SW 0x0004 /**< Context orientation : South-West direction */ +#define T1_SIG_NW 0x0008 /**< Context orientation : North-West direction */ +#define T1_SIG_N 0x0010 /**< Context orientation : North direction */ +#define T1_SIG_E 0x0020 /**< Context orientation : East direction */ +#define T1_SIG_S 0x0040 /**< Context orientation : South direction */ +#define T1_SIG_W 0x0080 /**< Context orientation : West direction */ +#define T1_SIG_OTH (T1_SIG_N|T1_SIG_NE|T1_SIG_E|T1_SIG_SE|T1_SIG_S|T1_SIG_SW|T1_SIG_W|T1_SIG_NW) +#define T1_SIG_PRIM (T1_SIG_N|T1_SIG_E|T1_SIG_S|T1_SIG_W) + +#define T1_SGN_N 0x0100 +#define T1_SGN_E 0x0200 +#define T1_SGN_S 0x0400 +#define T1_SGN_W 0x0800 +#define T1_SGN (T1_SGN_N|T1_SGN_E|T1_SGN_S|T1_SGN_W) + +#define T1_SIG 0x1000 +#define T1_REFINE 0x2000 +#define T1_VISIT 0x4000 + +#define T1_NUMCTXS_ZC 9 +#define T1_NUMCTXS_SC 5 +#define T1_NUMCTXS_MAG 3 +#define T1_NUMCTXS_AGG 1 +#define T1_NUMCTXS_UNI 1 + +#define T1_CTXNO_ZC 0 +#define T1_CTXNO_SC (T1_CTXNO_ZC+T1_NUMCTXS_ZC) +#define T1_CTXNO_MAG (T1_CTXNO_SC+T1_NUMCTXS_SC) +#define T1_CTXNO_AGG (T1_CTXNO_MAG+T1_NUMCTXS_MAG) +#define T1_CTXNO_UNI (T1_CTXNO_AGG+T1_NUMCTXS_AGG) +#define T1_NUMCTXS (T1_CTXNO_UNI+T1_NUMCTXS_UNI) + +#define T1_NMSEDEC_FRACBITS (T1_NMSEDEC_BITS-1) + +#define T1_TYPE_MQ 0 /**< Normal coding using entropy coder */ +#define T1_TYPE_RAW 1 /**< No encoding the information is store under raw format in codestream (mode switch RAW)*/ + +/* ----------------------------------------------------------------------- */ + +typedef short flag_t; + +/** +Tier-1 coding (coding of code-block coefficients) +*/ +typedef struct opj_t1 { + /** codec context */ + opj_common_ptr cinfo; + + /** MQC component */ + opj_mqc_t *mqc; + /** RAW component */ + opj_raw_t *raw; + + int *data; + flag_t *flags; + int w; + int h; + int datasize; + int flagssize; + int flags_stride; +} opj_t1_t; + +#define MACRO_t1_flags(x,y) t1->flags[((x)*(t1->flags_stride))+(y)] + +/** @name Exported functions */ +/*@{*/ +/* ----------------------------------------------------------------------- */ +/** +Create a new T1 handle +and initialize the look-up tables of the Tier-1 coder/decoder +@return Returns a new T1 handle if successful, returns NULL otherwise +@see t1_init_luts +*/ +opj_t1_t* t1_create(opj_common_ptr cinfo); +/** +Destroy a previously created T1 handle +@param t1 T1 handle to destroy +*/ +void t1_destroy(opj_t1_t *t1); +/** +Encode the code-blocks of a tile +@param t1 T1 handle +@param tile The tile to encode +@param tcp Tile coding parameters +*/ +void t1_encode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp); +/** +Decode the code-blocks of a tile +@param t1 T1 handle +@param tilec The tile to decode +@param tccp Tile coding parameters +*/ +void t1_decode_cblks(opj_t1_t* t1, opj_tcd_tilecomp_t* tilec, opj_tccp_t* tccp); +/* ----------------------------------------------------------------------- */ +/*@}*/ + +/*@}*/ + +#endif /* __T1_H */ |