Patch by Callum Lerwick. The opj_tcd_cblk array is one of the largest allocations...

[openjpeg.git] / libopenjpeg / dwt.h

diff --git a/libopenjpeg/dwt.h b/libopenjpeg/dwt.h
index 4cda5eda88240e56cc037f81a031987a4b609ce1..adf73e544006a9116559e629eadbd9dc7ffccd0f 100644 (file)
--- a/libopenjpeg/dwt.h
+++ b/libopenjpeg/dwt.h
@@ -1,9 +1,10 @@
 /*
+ * 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
@@ -42,47 +43,6 @@ DWT.C are used by some function in TCD.C.
 /** @defgroup DWT DWT - Implementation of a discrete wavelet transform */
 /*@{*/
 
-/** @name Local static functions */
-/*@{*/
-/* ----------------------------------------------------------------------- */
-/**
-Forward lazy transform (horizontal)
-*/
-static void dwt_deinterleave_h(int *a, int *b, int dn, int sn, int cas);
-/**
-Forward lazy transform (vertical)
-*/
-static void dwt_deinterleave_v(int *a, int *b, int dn, int sn, int x, int cas);
-/**
-Inverse lazy transform (horizontal)
-*/
-static void dwt_interleave_h(int *a, int *b, int dn, int sn, int cas);
-/**
-Inverse lazy transform (vertical)
-*/
-static void dwt_interleave_v(int *a, int *b, int dn, int sn, int x, int cas);
-/**
-Forward 5-3 wavelet tranform in 1-D
-*/
-static void dwt_encode_1(int *a, int dn, int sn, int cas);
-/**
-Inverse 5-3 wavelet tranform in 1-D
-*/
-static void dwt_decode_1(int *a, int dn, int sn, int cas);
-/**
-Forward 9-7 wavelet transform in 1-D
-*/
-static void dwt_encode_1_real(int *a, int dn, int sn, int cas);
-/**
-Inverse 9-7 wavelet transform in 1-D
-*/
-static void dwt_decode_1_real(int *a, int dn, int sn, int cas);
-/**
-FIXME : comment ???
-*/
-static void dwt_encode_stepsize(int stepsize, int numbps, opj_stepsize_t *bandno_stepsize);
-/* ----------------------------------------------------------------------- */
-/*@}*/
 
 /** @name Exported functions */
 /*@{*/
@@ -97,9 +57,9 @@ void dwt_encode(opj_tcd_tilecomp_t * 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 stop FIXME Number of decoded resolution levels ?
+@param numres Number of resolution levels to decode
 */
-void dwt_decode(opj_tcd_tilecomp_t * tilec, int stop);
+void dwt_decode(opj_tcd_tilecomp_t* tilec, int 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)
@@ -123,9 +83,9 @@ void dwt_encode_real(opj_tcd_tilecomp_t * 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 stop FIXME Number of decoded resolution levels ?
+@param numres Number of resolution levels to decode
 */
-void dwt_decode_real(opj_tcd_tilecomp_t * tilec, int stop);
+void dwt_decode_real(opj_tcd_tilecomp_t* tilec, int 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)
@@ -140,9 +100,9 @@ Get the norm of a wavelet function of a subband at a specified level for the irr
 */
 double dwt_getnorm_real(int level, int orient);
 /**
-FIXME : comment ???
-@param tccp
-@param prec
+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);
 /* ----------------------------------------------------------------------- */