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a167571db5
that samples 1 in 5 positions. This variant is fast enough for lazy2 and btlazy2, but it's less good in combination with post-splitter at higher levels (>= btopt).
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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* You may select, at your option, one of the above-listed licenses.
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*/
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#ifndef ZSTD_PRESPLIT_H
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#define ZSTD_PRESPLIT_H
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#include <stddef.h> /* size_t */
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#if defined (__cplusplus)
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extern "C" {
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#endif
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typedef enum { split_lvl1, split_lvl2 } ZSTD_SplitBlock_strategy_e;
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#define ZSTD_SLIPBLOCK_WORKSPACESIZE 8208
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/* note:
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* @workspace must be aligned on 8-bytes boundaries
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* @wkspSize must be at least >= ZSTD_SLIPBLOCK_WORKSPACESIZE
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* note2:
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* for the time being, this function only accepts full 128 KB blocks,
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* therefore @blockSizeMax must be == 128 KB.
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* This could be extended to smaller sizes in the future.
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*/
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size_t ZSTD_splitBlock(const void* src, size_t srcSize,
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size_t blockSizeMax, ZSTD_SplitBlock_strategy_e splitStrat,
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void* workspace, size_t wkspSize);
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#if defined (__cplusplus)
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}
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#endif
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#endif /* ZSTD_PRESPLIT_H */
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