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/////////////////////////////////////////////////////////////////////////////// |
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// |
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/// \file filter_common.c |
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/// \brief Filter-specific stuff common for both encoder and decoder |
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// |
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// Author: Lasse Collin |
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// |
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// This file has been put into the public domain. |
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// You can do whatever you want with this file. |
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// |
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/////////////////////////////////////////////////////////////////////////////// |
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#ifndef LZMA_FILTER_COMMON_H |
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#define LZMA_FILTER_COMMON_H |
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#include "common.h" |
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/// Both lzma_filter_encoder and lzma_filter_decoder begin with these members. |
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typedef struct { |
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/// Filter ID |
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lzma_vli id; |
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/// Initializes the filter encoder and calls lzma_next_filter_init() |
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/// for filters + 1. |
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lzma_init_function init; |
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/// Calculates memory usage of the encoder. If the options are |
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/// invalid, UINT64_MAX is returned. |
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uint64_t (*memusage)(const void *options); |
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} lzma_filter_coder; |
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typedef const lzma_filter_coder *(*lzma_filter_find)(lzma_vli id); |
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extern lzma_ret lzma_raw_coder_init( |
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lzma_next_coder *next, const lzma_allocator *allocator, |
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const lzma_filter *filters, |
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lzma_filter_find coder_find, bool is_encoder); |
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extern uint64_t lzma_raw_coder_memusage(lzma_filter_find coder_find, |
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const lzma_filter *filters); |
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#endif |
