/*
+ * 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) 2003-2005, Francois Devaux and Antonin Descampe
- * Copyright (c) 2005, Herv� Drolon, FreeImage Team
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * 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
* 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
/**
/* ----------------------------------------------------------------------- */
#define T1_NMSEDEC_BITS 7
-#define T1_MAXCBLKW 1024 /**< Maximum size of code-block (width) */
-#define T1_MAXCBLKH 1024 /**< Maximum size of code-block (heigth) */
-
-#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_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_REFINE 0x2000
#define T1_VISIT 0x4000
-#define T1_NUMCTXS_AGG 1
#define T1_NUMCTXS_ZC 9
-#define T1_NUMCTXS_MAG 3
#define T1_NUMCTXS_SC 5
+#define T1_NUMCTXS_MAG 3
+#define T1_NUMCTXS_AGG 1
#define T1_NUMCTXS_UNI 1
-#define T1_CTXNO_AGG 0
-#define T1_CTXNO_ZC (T1_CTXNO_AGG+T1_NUMCTXS_AGG)
-#define T1_CTXNO_MAG (T1_CTXNO_ZC+T1_NUMCTXS_ZC)
-#define T1_CTXNO_SC (T1_CTXNO_MAG+T1_NUMCTXS_MAG)
-#define T1_CTXNO_UNI (T1_CTXNO_SC+T1_NUMCTXS_SC)
+#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)*/
+#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 lut_ctxno_zc[1024];
- int lut_ctxno_sc[256];
- int lut_ctxno_mag[4096];
- int lut_spb[256];
- 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];
-
- int data[T1_MAXCBLKH][T1_MAXCBLKW];
- int flags[T1_MAXCBLKH + 2][T1_MAXCBLKH + 2];
-
+ /** 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;
-/** @name Local static functions */
-/*@{*/
-/* ----------------------------------------------------------------------- */
-static int t1_getctxno_zc(opj_t1_t *t1, int f, int orient);
-static int t1_getctxno_sc(opj_t1_t *t1, int f);
-static int t1_getctxno_mag(opj_t1_t *t1, int f);
-static int t1_getspb(opj_t1_t *t1, int f);
-static int t1_getnmsedec_sig(opj_t1_t *t1, int x, int bitpos);
-static int t1_getnmsedec_ref(opj_t1_t *t1, int x, int bitpos);
-static void t1_updateflags(int *fp, int s);
-/**
-Encode significant pass
-*/
-static void t1_enc_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc);
-/**
-Decode significant pass
-*/
-static void t1_dec_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, char type, int vsc);
-/**
-Encode significant pass
-*/
-static void t1_enc_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, char type, int cblksty);
-/**
-Decode significant pass
-*/
-static void t1_dec_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, char type, int cblksty);
-/**
-Encode refinement pass
-*/
-static void t1_enc_refpass_step(opj_t1_t *t1, int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc);
-/**
-Decode refinement pass
-*/
-static void t1_dec_refpass_step(opj_t1_t *t1, int *fp, int *dp, int poshalf, int neghalf, char type, int vsc);
-/**
-Encode refinement pass
-*/
-static void t1_enc_refpass(opj_t1_t *t1, int w, int h, int bpno, int *nmsedec, char type, int cblksty);
-/**
-Decode refinement pass
-*/
-static void t1_dec_refpass(opj_t1_t *t1, int w, int h, int bpno, char type, int cblksty);
-/**
-Encode clean-up pass
-*/
-static void t1_enc_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc);
-/**
-Decode clean-up pass
-*/
-static void t1_dec_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc);
-/**
-Encode clean-up pass
-*/
-static void t1_enc_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, int cblksty);
-/**
-Decode clean-up pass
-*/
-static void t1_dec_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int cblksty);
-static double t1_getwmsedec(opj_t1_t *t1, int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize, int numcomps);
-/**
-Encode 1 code-block
-@param t1 T1 handle
-@param cblk Code-block coding parameters
-@param orient
-@param compno Component number
-@param level
-@param qmfbid
-@param stepsize
-@param cblksty Code-block style
-@param numcomps
-@param tile
-*/
-static void t1_encode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty, int numcomps, opj_tcd_tile_t * tile);
-/**
-Decode 1 code-block
-@param t1 T1 handle
-@param cblk Code-block coding parameters
-@param orient
-@param roishift Region of interest shifting value
-@param cblksty Code-block style
-*/
-static void t1_decode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int roishift, int cblksty);
-static int t1_init_ctxno_zc(int f, int orient);
-static int t1_init_ctxno_sc(int f);
-static int t1_init_ctxno_mag(int f);
-static int t1_init_spb(int f);
-/**
-Initialize the look-up tables of the Tier-1 coder/decoder
-@param t1 T1 handle
-*/
-static void t1_init_luts(opj_t1_t *t1);
-
-/* ----------------------------------------------------------------------- */
-/*@}*/
+#define MACRO_t1_flags(x,y) t1->flags[((x)*(t1->flags_stride))+(y)]
/** @name Exported functions */
/*@{*/
@param tile The tile to decode
@param tcp Tile coding parameters
*/
-void t1_decode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp);
+void t1_decode_cblks(opj_t1_t* t1, opj_tcd_tilecomp_t* tilec, opj_tccp_t* tccp);
/* ----------------------------------------------------------------------- */
/*@}*/
projects / openjpeg.git / blobdiff