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#pragma once
#include <hdf5.h>
#include "vbz_plugin.h"
#define FILTER_VBZ_VERSION 1
extern "C" const void* vbz_plugin_info(void);
/// \brief Call to enable the vbz filter on the specified creation properties.
/// \param integer_size Size of integer type to be compressed. Leave at 0 to extract this information from the hdf type.
/// \param use_zig_zag Control if zig zag encoding should be used on the type. If integer_size is not specified then the
/// hdf type's signedness is used to fill in this field.
/// \param zstd_compression_level Control the level of compression used to filter the dataset.
/// \param vbz_version The version of compression to apply to user data.
inline int vbz_filter_enable_versioned(
hid_t creation_properties,
unsigned int integer_size,
bool use_zig_zag,
unsigned int zstd_compression_level,
int vbz_version)
{
unsigned int values[4] = {
(unsigned int)vbz_version,
integer_size,
use_zig_zag,
zstd_compression_level
};
return H5Pset_filter(creation_properties, FILTER_VBZ_ID, 0, 4, values);
}
/// \brief Call to enable the vbz filter on the specified creation properties.
/// \param integer_size Size of integer type to be compressed. Leave at 0 to extract this information from the hdf type.
/// \param use_zig_zag Control if zig zag encoding should be used on the type. If integer_size is not specified then the
/// hdf type's signedness is used to fill in this field.
/// \param zstd_compression_level Control the level of compression used to filter the dataset.
inline int vbz_filter_enable(
hid_t creation_properties,
unsigned int integer_size,
bool use_zig_zag,
unsigned int zstd_compression_level)
{
return vbz_filter_enable_versioned(
creation_properties,
integer_size,
use_zig_zag,
zstd_compression_level,
FILTER_VBZ_VERSION
);
}
inline bool vbz_register()
{
int retval = H5Zregister(vbz_plugin_info());
if (retval < 0)
{
return 0;
}
return 1;
}
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