Plugins#
Filters#
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typedef int (*blosc2_filter_forward_cb)(const uint8_t*, uint8_t*, int32_t, uint8_t, blosc2_cparams*, uint8_t)#
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typedef int (*blosc2_filter_backward_cb)(const uint8_t*, uint8_t*, int32_t, uint8_t, blosc2_dparams*, uint8_t)#
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struct blosc2_filter#
The parameters for a user-defined filter.
Public Members
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uint8_t id#
The filter identifier.
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char *name#
The filter name.
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uint8_t version#
The filter version.
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blosc2_filter_forward_cb forward#
The filter function that is used during compression.
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blosc2_filter_backward_cb backward#
The filter function that is used during decompression.
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uint8_t id#
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int blosc2_register_filter(blosc2_filter *filter)#
Register locally a user-defined filter in Blosc.
- Parameters:
filter – The filter to register.
- Returns:
0 if succeeds. Else a negative code is returned.
Codecs#
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typedef int (*blosc2_codec_encoder_cb)(const uint8_t *input, int32_t input_len, uint8_t *output, int32_t output_len, uint8_t meta, blosc2_cparams *cparams, const void *chunk)#
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typedef int (*blosc2_codec_decoder_cb)(const uint8_t *input, int32_t input_len, uint8_t *output, int32_t output_len, uint8_t meta, blosc2_dparams *dparams, const void *chunk)#
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struct blosc2_codec#
Public Members
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uint8_t compcode#
The codec identifier.
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char *compname#
The codec name.
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uint8_t complib#
The codec library format.
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uint8_t version#
The codec version.
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blosc2_codec_encoder_cb encoder#
The codec encoder that is used during compression.
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blosc2_codec_decoder_cb decoder#
The codec decoder that is used during decompression.
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uint8_t compcode#
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int blosc2_register_codec(blosc2_codec *codec)#
Register locally a user-defined codec in Blosc.
- Parameters:
codec – The codec to register.
- Returns:
0 if succeeds. Else a negative code is returned.
IO backends#
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typedef void *(*blosc2_open_cb)(const char *urlpath, const char *mode, void *params)#
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typedef int (*blosc2_close_cb)(void *stream)#
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typedef int64_t (*blosc2_tell_cb)(void *stream)#
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typedef int (*blosc2_seek_cb)(void *stream, int64_t offset, int whence)#
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typedef int64_t (*blosc2_write_cb)(const void *ptr, int64_t size, int64_t nitems, void *stream)#
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typedef int64_t (*blosc2_read_cb)(void *ptr, int64_t size, int64_t nitems, void *stream)#
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typedef int (*blosc2_truncate_cb)(void *stream, int64_t size)#
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struct blosc2_io_cb#
Public Members
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uint8_t id#
The IO identifier.
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char *name#
The IO name.
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blosc2_open_cb open#
The IO open callback.
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blosc2_close_cb close#
The IO close callback.
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blosc2_tell_cb tell#
The IO tell callback.
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blosc2_seek_cb seek#
The IO seek callback.
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blosc2_write_cb write#
The IO write callback.
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blosc2_read_cb read#
The IO read callback.
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blosc2_truncate_cb truncate#
The IO truncate callback.
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uint8_t id#
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struct blosc2_io#
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int blosc2_register_io_cb(const blosc2_io_cb *io)#
Register a user-defined input/output callbacks in Blosc.
- Parameters:
io – The callbacks API to register.
- Returns:
0 if succeeds. Else a negative code is returned.