diff options
| author | Antonin Descampe <antonin@gmail.com> | 2008-07-31 18:47:41 +0000 |
|---|---|---|
| committer | Antonin Descampe <antonin@gmail.com> | 2008-07-31 18:47:41 +0000 |
| commit | 7caaea18b728ead4e45226aafc09dba01e514a2d (patch) | |
| tree | 1d5d19df20b82cee63a7de94fc8e04e8426cb7c7 /libopenjpeg/dwt.h | |
| parent | 8407e057c9e10c8fc2b5f4be56e603fae3f9063d (diff) | |
Deleting obsolete files and directories, adding v2-specific files and directories, updating existing files to v2. See README.v2 for more info
Diffstat (limited to 'libopenjpeg/dwt.h')
| -rw-r--r-- | libopenjpeg/dwt.h | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/libopenjpeg/dwt.h b/libopenjpeg/dwt.h index adf73e54..d200b065 100644 --- a/libopenjpeg/dwt.h +++ b/libopenjpeg/dwt.h @@ -5,6 +5,7 @@ * Copyright (c) 2002-2003, Yannick Verschueren * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe * Copyright (c) 2005, Herve Drolon, FreeImage Team + * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr> * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -39,6 +40,10 @@ The functions in DWT.C have for goal to realize forward and inverse discret wave transform with filter 5-3 (reversible) and filter 9-7 (irreversible). The functions in DWT.C are used by some function in TCD.C. */ +#include "openjpeg.h" + +struct opj_tcd_tilecomp; +struct opj_tccp; /** @defgroup DWT DWT - Implementation of a discrete wavelet transform */ /*@{*/ @@ -52,59 +57,59 @@ Forward 5-3 wavelet tranform in 2-D. Apply a reversible DWT transform to a component of an image. @param tilec Tile component information (current tile) */ -void dwt_encode(opj_tcd_tilecomp_t * tilec); +bool dwt_encode(struct opj_tcd_tilecomp * tilec); /** Inverse 5-3 wavelet tranform in 2-D. Apply a reversible inverse DWT transform to a component of an image. @param tilec Tile component information (current tile) @param numres Number of resolution levels to decode */ -void dwt_decode(opj_tcd_tilecomp_t* tilec, int numres); +bool dwt_decode(struct opj_tcd_tilecomp* tilec, OPJ_UINT32 numres); /** Get the gain of a subband for the reversible 5-3 DWT. @param orient Number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH) @return Returns 0 if orient = 0, returns 1 if orient = 1 or 2, returns 2 otherwise */ -int dwt_getgain(int orient); +OPJ_UINT32 dwt_getgain(OPJ_UINT32 orient); /** Get the norm of a wavelet function of a subband at a specified level for the reversible 5-3 DWT. @param level Level of the wavelet function @param orient Band of the wavelet function @return Returns the norm of the wavelet function */ -double dwt_getnorm(int level, int orient); +OPJ_FLOAT64 dwt_getnorm(OPJ_UINT32 level, OPJ_UINT32 orient); /** Forward 9-7 wavelet transform in 2-D. Apply an irreversible DWT transform to a component of an image. @param tilec Tile component information (current tile) */ -void dwt_encode_real(opj_tcd_tilecomp_t * tilec); +bool dwt_encode_real(struct opj_tcd_tilecomp * tilec); /** Inverse 9-7 wavelet transform in 2-D. Apply an irreversible inverse DWT transform to a component of an image. @param tilec Tile component information (current tile) @param numres Number of resolution levels to decode */ -void dwt_decode_real(opj_tcd_tilecomp_t* tilec, int numres); +bool dwt_decode_real(struct opj_tcd_tilecomp* tilec, OPJ_UINT32 numres); /** Get the gain of a subband for the irreversible 9-7 DWT. @param orient Number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH) @return Returns the gain of the 9-7 wavelet transform */ -int dwt_getgain_real(int orient); +OPJ_UINT32 dwt_getgain_real(OPJ_UINT32 orient); /** Get the norm of a wavelet function of a subband at a specified level for the irreversible 9-7 DWT @param level Level of the wavelet function @param orient Band of the wavelet function @return Returns the norm of the 9-7 wavelet */ -double dwt_getnorm_real(int level, int orient); +OPJ_FLOAT64 dwt_getnorm_real(OPJ_UINT32 level, OPJ_UINT32 orient); /** Explicit calculation of the Quantization Stepsizes @param tccp Tile-component coding parameters @param prec Precint analyzed */ -void dwt_calc_explicit_stepsizes(opj_tccp_t * tccp, int prec); +void dwt_calc_explicit_stepsizes(struct opj_tccp * tccp, OPJ_UINT32 prec); /* ----------------------------------------------------------------------- */ /*@}*/ |
