/* * Copyrigth (c) 2006, Mónica Díez, LPI-UVA, Spain * 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_3D_H #define __T1_3D_H /** @file t1_3d.h @brief Implementation of the tier-1 coding (coding of code-block coefficients) (T1) The functions in T1_3D.C have for goal to realize the tier-1 coding operation of 3D-EBCOT. The functions in T1_3D.C are used by some function in TCD.C. */ /** @defgroup T1_3D T1_3D - Implementation of the tier-1 coding */ /*@{*/ /* ----------------------------------------------------------------------- */ /* Neighbourhood of 3D EBCOT (Significance context)*/ #define T1_3D_SIG_NE 0x00000001 /*< Context orientation : North-East direction */ #define T1_3D_SIG_SE 0x00000002 /*< Context orientation : South-East direction */ #define T1_3D_SIG_SW 0x00000004 /*< Context orientation : South-West direction */ #define T1_3D_SIG_NW 0x00000008 /* Context orientation : North-West direction */ #define T1_3D_SIG_N 0x00000010 /*< Context orientation : North direction */ #define T1_3D_SIG_E 0x00000020 /*< Context orientation : East direction */ #define T1_3D_SIG_S 0x00000040 /*< Context orientation : South direction */ #define T1_3D_SIG_W 0x00000080 /*< Context orientation : West direction */ #define T1_3D_SIG_FC 0x00000100 /*< Context orientation : Forward Central direction */ #define T1_3D_SIG_BC 0x00000200 /*< Context orientation : Backward Central direction */ #define T1_3D_SIG_FNE 0x00000400 /*< Context orientation : Forward North-East direction */ #define T1_3D_SIG_FSE 0x00000800 /*< Context orientation : Forward South-East direction */ #define T1_3D_SIG_FSW 0x00001000 /*< Context orientation : Forward South-West direction */ #define T1_3D_SIG_FNW 0x00002000 /*< Context orientation : Forward North-West direction */ #define T1_3D_SIG_FN 0x00004000 /*< Context orientation : Forward North direction */ #define T1_3D_SIG_FE 0x00008000 /*< Context orientation : Forward East direction */ #define T1_3D_SIG_FS 0x00010000 /*< Context orientation : Forward South direction */ #define T1_3D_SIG_FW 0x00020000 /*< Context orientation : Forward West direction */ #define T1_3D_SIG_BNE 0x00040000 /*< Context orientation : Backward North-East direction */ #define T1_3D_SIG_BSE 0x00080000 /*< Context orientation : Backward South-East direction */ #define T1_3D_SIG_BSW 0x00100000 /*< Context orientation : Backward South-West direction */ #define T1_3D_SIG_BNW 0x00200000 /*< Context orientation : Backward North-West direction */ #define T1_3D_SIG_BN 0x00400000 /*< Context orientation : Backward North direction */ #define T1_3D_SIG_BE 0x00800000 /*< Context orientation : Backward East direction */ #define T1_3D_SIG_BS 0x01000000 /*< Context orientation : Backward South direction */ #define T1_3D_SIG_BW 0x02000000 /*< Context orientation : Backward West direction */ #define T1_3D_SIG_COTH (T1_3D_SIG_N|T1_3D_SIG_NE|T1_3D_SIG_E|T1_3D_SIG_SE|T1_3D_SIG_S|T1_3D_SIG_SW|T1_3D_SIG_W|T1_3D_SIG_NW) #define T1_3D_SIG_BOTH (T1_3D_SIG_BN|T1_3D_SIG_BNE|T1_3D_SIG_BE|T1_3D_SIG_BSE|T1_3D_SIG_BS|T1_3D_SIG_BSW|T1_3D_SIG_BW|T1_3D_SIG_BNW|T1_3D_SIG_BC) #define T1_3D_SIG_FOTH (T1_3D_SIG_FN|T1_3D_SIG_FNE|T1_3D_SIG_FE|T1_3D_SIG_FSE|T1_3D_SIG_FS|T1_3D_SIG_FSW|T1_3D_SIG_FW|T1_3D_SIG_FNW|T1_3D_SIG_FC) #define T1_3D_SIG_OTH (T1_3D_SIG_FOTH|T1_3D_SIG_BOTH|T1_3D_SIG_COTH) #define T1_3D_SIG_PRIM (T1_3D_SIG_N|T1_3D_SIG_E|T1_3D_SIG_S|T1_3D_SIG_W|T1_3D_SIG_FC|T1_3D_SIG_BC) #define T1_3D_SGN_N 0x0400 #define T1_3D_SGN_E 0x0800 #define T1_3D_SGN_S 0x1000 #define T1_3D_SGN_W 0x2000 #define T1_3D_SGN_F 0x4000 #define T1_3D_SGN_B 0x8000 #define T1_3D_SGN (T1_3D_SGN_N|T1_3D_SGN_E|T1_3D_SGN_S|T1_3D_SGN_W|T1_3D_SGN_F|T1_3D_SGN_B) #define T1_3D_SIG 0x0001 /*Significance state*/ #define T1_3D_REFINE 0x0002 /*Delayed significance*/ #define T1_3D_VISIT 0x0004 /*First-pass membership*/ #define T1_3D_NUMCTXS_AGG 1 #define T1_3D_NUMCTXS_ZC 16 #define T1_3D_NUMCTXS_MAG 3 #define T1_3D_NUMCTXS_SC 6 #define T1_3D_NUMCTXS_UNI 1 #define T1_3D_CTXNO_AGG 0 #define T1_3D_CTXNO_ZC (T1_3D_CTXNO_AGG+T1_3D_NUMCTXS_AGG) /*1*/ #define T1_3D_CTXNO_MAG (T1_3D_CTXNO_ZC+T1_3D_NUMCTXS_ZC) /*17*/ #define T1_3D_CTXNO_SC (T1_3D_CTXNO_MAG+T1_3D_NUMCTXS_MAG) /*20*/ #define T1_3D_CTXNO_UNI (T1_3D_CTXNO_SC+T1_3D_NUMCTXS_SC) /*26*/ #define T1_3D_NUMCTXS (T1_3D_CTXNO_UNI+T1_3D_NUMCTXS_UNI) /*27*/ /* ----------------------------------------------------------------------- */ /** Tier-1 coding (coding of code-block coefficients) */ typedef struct opj_t1_3d { /** Codec context */ opj_common_ptr cinfo; /** MQC component */ opj_mqc_t *mqc; /** RAW component */ opj_raw_t *raw; /** LUTs for decoding normalised MSE */ int lut_nmsedec_sig[1 << T1_NMSEDEC_BITS]; int lut_nmsedec_sig0[1 << T1_NMSEDEC_BITS]; int lut_nmsedec_ref[1 << T1_NMSEDEC_BITS]; int lut_nmsedec_ref0[1 << T1_NMSEDEC_BITS]; /** Codeblock data */ int data[T1_CBLKD][T1_CBLKH][T1_CBLKW]; /** Context information for each voxel in codeblock */ unsigned int flags[T1_CBLKD + 2][T1_CBLKH + 2][T1_CBLKH + 2]; /** Voxel information (significance/visited/refined) */ int flagSVR[T1_CBLKD + 2][T1_CBLKH + 2][T1_CBLKH + 2]; } opj_t1_3d_t; /** @name Exported functions */ /*@{*/ /* ----------------------------------------------------------------------- */ /** Create a new T1_3D 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_3d_t* t1_3d_create(opj_common_ptr cinfo); /** Destroy a previously created T1_3D handle @param t1 T1_3D handle to destroy */ void t1_3d_destroy(opj_t1_3d_t *t1); /** Encode the code-blocks of a tile @param t1 T1_3D handle @param tile The tile to encode @param tcp Tile coding parameters */ void t1_3d_encode_cblks(opj_t1_3d_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp); /** Decode the code-blocks of a tile @param t1 T1_3D handle @param tile The tile to decode @param tcp Tile coding parameters */ void t1_3d_decode_cblks(opj_t1_3d_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp); /** Get weigths of MSE decoding @param nmsedec The normalized MSE reduction @param compno @param level @param orient @param bpno @param reversible @param stepsize @param numcomps @param dwtid returns MSE associated to decoding pass double t1_3d_getwmsedec(int nmsedec, int compno, int levelxy, int levelz, int orient, int bpno, int reversible, double stepsize, int numcomps, int dwtid); */ /* ----------------------------------------------------------------------- */ /*@}*/ /*@}*/ #endif /* __T1_H */