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85923c8f30
Update zlib-ng to 2.2.1 #26113 Release: https://github.com/zlib-ng/zlib-ng/releases/tag/2.2.1 ARM diagnostics patch: https://github.com/zlib-ng/zlib-ng/pull/1774 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [ ] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
120 lines
4.1 KiB
C
120 lines
4.1 KiB
C
#ifndef DFLTCC_COMMON_H
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#define DFLTCC_COMMON_H
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#include "zutil.h"
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/*
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Parameter Block for Query Available Functions.
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*/
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struct dfltcc_qaf_param {
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char fns[16];
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char reserved1[8];
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char fmts[2];
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char reserved2[6];
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} ALIGNED_(8);
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/*
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Parameter Block for Generate Dynamic-Huffman Table, Compress and Expand.
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*/
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struct dfltcc_param_v0 {
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uint16_t pbvn; /* Parameter-Block-Version Number */
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uint8_t mvn; /* Model-Version Number */
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uint8_t ribm; /* Reserved for IBM use */
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uint32_t reserved32 : 31;
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uint32_t cf : 1; /* Continuation Flag */
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uint8_t reserved64[8];
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uint32_t nt : 1; /* New Task */
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uint32_t reserved129 : 1;
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uint32_t cvt : 1; /* Check Value Type */
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uint32_t reserved131 : 1;
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uint32_t htt : 1; /* Huffman-Table Type */
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uint32_t bcf : 1; /* Block-Continuation Flag */
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uint32_t bcc : 1; /* Block Closing Control */
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uint32_t bhf : 1; /* Block Header Final */
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uint32_t reserved136 : 1;
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uint32_t reserved137 : 1;
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uint32_t dhtgc : 1; /* DHT Generation Control */
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uint32_t reserved139 : 5;
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uint32_t reserved144 : 5;
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uint32_t sbb : 3; /* Sub-Byte Boundary */
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uint8_t oesc; /* Operation-Ending-Supplemental Code */
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uint32_t reserved160 : 12;
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uint32_t ifs : 4; /* Incomplete-Function Status */
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uint16_t ifl; /* Incomplete-Function Length */
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uint8_t reserved192[8];
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uint8_t reserved256[8];
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uint8_t reserved320[4];
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uint16_t hl; /* History Length */
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uint32_t reserved368 : 1;
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uint16_t ho : 15; /* History Offset */
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uint32_t cv; /* Check Value */
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uint32_t eobs : 15; /* End-of-block Symbol */
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uint32_t reserved431: 1;
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uint8_t eobl : 4; /* End-of-block Length */
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uint32_t reserved436 : 12;
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uint32_t reserved448 : 4;
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uint16_t cdhtl : 12; /* Compressed-Dynamic-Huffman Table
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Length */
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uint8_t reserved464[6];
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uint8_t cdht[288]; /* Compressed-Dynamic-Huffman Table */
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uint8_t reserved[24];
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uint8_t ribm2[8]; /* Reserved for IBM use */
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uint8_t csb[1152]; /* Continuation-State Buffer */
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} ALIGNED_(8);
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/*
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Extension of inflate_state and deflate_state.
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*/
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struct dfltcc_state {
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struct dfltcc_param_v0 param; /* Parameter block. */
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struct dfltcc_qaf_param af; /* Available functions. */
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char msg[64]; /* Buffer for strm->msg */
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};
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typedef struct {
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struct dfltcc_state common;
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uint16_t level_mask; /* Levels on which to use DFLTCC */
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uint32_t block_size; /* New block each X bytes */
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size_t block_threshold; /* New block after total_in > X */
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uint32_t dht_threshold; /* New block only if avail_in >= X */
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} arch_deflate_state;
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typedef struct {
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struct dfltcc_state common;
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} arch_inflate_state;
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/*
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History buffer size.
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*/
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#define HB_BITS 15
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#define HB_SIZE (1 << HB_BITS)
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/*
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Sizes of deflate block parts.
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*/
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#define DFLTCC_BLOCK_HEADER_BITS 3
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#define DFLTCC_HLITS_COUNT_BITS 5
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#define DFLTCC_HDISTS_COUNT_BITS 5
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#define DFLTCC_HCLENS_COUNT_BITS 4
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#define DFLTCC_MAX_HCLENS 19
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#define DFLTCC_HCLEN_BITS 3
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#define DFLTCC_MAX_HLITS 286
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#define DFLTCC_MAX_HDISTS 30
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#define DFLTCC_MAX_HLIT_HDIST_BITS 7
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#define DFLTCC_MAX_SYMBOL_BITS 16
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#define DFLTCC_MAX_EOBS_BITS 15
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#define DFLTCC_MAX_PADDING_BITS 7
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#define DEFLATE_BOUND_COMPLEN(source_len) \
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((DFLTCC_BLOCK_HEADER_BITS + \
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DFLTCC_HLITS_COUNT_BITS + \
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DFLTCC_HDISTS_COUNT_BITS + \
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DFLTCC_HCLENS_COUNT_BITS + \
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DFLTCC_MAX_HCLENS * DFLTCC_HCLEN_BITS + \
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(DFLTCC_MAX_HLITS + DFLTCC_MAX_HDISTS) * DFLTCC_MAX_HLIT_HDIST_BITS + \
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(source_len) * DFLTCC_MAX_SYMBOL_BITS + \
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DFLTCC_MAX_EOBS_BITS + \
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DFLTCC_MAX_PADDING_BITS) >> 3)
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#endif
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