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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Programmer: Robb Matzke <matzke@llnl.gov>
* Thursday, April 16, 1998
*/
#ifndef _H5Zprivate_H
#define _H5Zprivate_H
#include "H5Zpublic.h"
#include "H5Fprivate.h"
#include "H5Ppublic.h"
#ifdef H5_HAVE_SZLIB_H
#include "szlib.h"
#endif
/*
* The filter table maps filter identification numbers to structs that
* contain a pointers to the filter function and timing statistics.
*/
typedef struct H5Z_class_t {
H5Z_filter_t id; /*filter ID number */
char *name; /*comment for debugging */
H5Z_func_t func; /*the filter function */
#ifdef H5Z_DEBUG
struct {
hsize_t total; /*total number of bytes processed */
hsize_t errors; /*bytes of total attributable to errors */
H5_timer_t timer; /*execution time including errors */
} stats[2]; /*0=output, 1=input */
#endif
} H5Z_class_t;
struct H5O_pline_t; /*forward decl*/
H5_DLL herr_t H5Z_register(H5Z_filter_t id, const char *comment,
H5Z_func_t filter);
H5_DLL herr_t H5Z_unregister (H5Z_filter_t id);
H5_DLL herr_t H5Z_append(struct H5O_pline_t *pline, H5Z_filter_t filter,
unsigned flags, size_t cd_nelmts,
const unsigned int cd_values[]);
H5_DLL herr_t H5Z_pipeline(H5F_t *f, const struct H5O_pline_t *pline,
unsigned flags, unsigned *filter_mask/*in,out*/,
H5Z_EDC_t edc_read, H5Z_cb_t cb_struct,
size_t *nbytes/*in,out*/, size_t *buf_size/*in,out*/,
void **buf/*in,out*/);
H5_DLL H5Z_class_t *H5Z_find(H5Z_filter_t id);
/* Filter routines */
H5_DLL size_t H5Z_filter_deflate(unsigned flags, size_t cd_nelmts,
const unsigned cd_values[], size_t nbytes,
size_t *buf_size, void **buf);
H5_DLL size_t H5Z_filter_szip(unsigned flags, size_t cd_nelmts,
const unsigned cd_values[], size_t nbytes,
size_t *buf_size, void **buf);
H5_DLL size_t H5Z_filter_shuffle(unsigned flags, size_t cd_nelmts,
const unsigned cd_values[], size_t nbytes,
size_t *buf_size, void **buf);
H5_DLL size_t H5Z_filter_fletcher32(unsigned flags, size_t cd_nelmts,
const unsigned cd_values[], size_t nbytes,
size_t *buf_size, void **buf);
#endif
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