95 lines
3.1 KiB
C
95 lines
3.1 KiB
C
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/*
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* encproto.h
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*
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* Encoder function prototypes
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*/
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/* blkinit.c */
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void create_slot_lookup_table(t_encoder_context *context);
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void create_ones_table(t_encoder_context *context);
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/* block.c */
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void output_block(t_encoder_context *context);
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void flush_output_bit_buffer(t_encoder_context *context);
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long estimate_buffer_contents(t_encoder_context *context);
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ulong get_distances_from_literals(t_encoder_context *context, ulong literals);
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/* bsearch.c */
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long binary_search_findmatch(t_encoder_context *context, long BufPos);
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void quick_insert_bsearch_findmatch(t_encoder_context *context, long BufPos, long endpos);
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void binary_search_remove_node(t_encoder_context *context, long BufPos, ulong end_pos);
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/* encdata.c */
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void encode_verbatim_block(t_encoder_context *context, ulong literal_to_end_at);
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void encode_aligned_block(t_encoder_context *context, ulong literal_to_end_at);
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void encode_uncompressed_block(t_encoder_context *context, ulong bufpos, ulong block_size);
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void perform_flush_output_callback(t_encoder_context *context);
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ulong estimate_compressed_block_size(t_encoder_context *context);
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void get_final_repeated_offset_states(t_encoder_context *context, ulong distances);
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/* encstats.c */
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lzx_block_type get_aligned_stats(t_encoder_context *context, ulong dist_to_end_at);
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ulong get_block_stats(
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t_encoder_context *context,
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ulong literal_to_start_at,
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ulong distance_to_start_at,
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ulong literal_to_end_at
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);
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ulong update_cumulative_block_stats(
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t_encoder_context *context,
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ulong literal_to_start_at,
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ulong distance_to_start_at,
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ulong literal_to_end_at
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);
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bool split_block(
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t_encoder_context *context,
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ulong literal_to_start_at,
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ulong literal_to_end_at,
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ulong distance_to_end_at,
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ulong *split_at_literal,
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ulong *split_at_distance
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);
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/* enctree.c */
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void create_trees(t_encoder_context *context, bool generate_codes);
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void fix_tree_cost_estimates(t_encoder_context *context);
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void encode_trees(t_encoder_context *context);
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void encode_aligned_tree(t_encoder_context *context);
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void prevent_far_matches(t_encoder_context *context);
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/* init.c */
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void init_compression_memory(t_encoder_context *context);
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bool comp_alloc_compress_memory(t_encoder_context *context);
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void comp_free_compress_memory(t_encoder_context *context);
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/* io.c */
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void output_bits(t_encoder_context *context, int n, ulong x);
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void free_compressed_output_buffer(t_encoder_context *context);
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bool init_compressed_output_buffer(t_encoder_context *context);
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void flush_compressed_output_buffer(t_encoder_context *context);
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void reset_translation(t_encoder_context *context);
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long comp_read_input(t_encoder_context *context, ulong BufPos, long Size);
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/* optenc.c */
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void opt_encode_top(t_encoder_context *context, long BytesRead);
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void reset_encoder_variables(t_encoder_context *context);
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void flush_all_pending_blocks(t_encoder_context *context);
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void encoder_start(t_encoder_context *context);
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/* tree.c */
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bool allocate_tree_building_data(t_encoder_context *context);
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void free_tree_building_data(t_encoder_context *context);
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void make_tree(
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t_encoder_context *context,
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int nparm,
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ushort *freqparm,
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byte *lenparm,
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ushort *codeparm,
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bool make_codes
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);
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