Mercurial > hgrepos > Python2 > PyMuPDF
comparison mupdf-source/thirdparty/brotli/docs/constants.h.3 @ 2:b50eed0cc0ef upstream
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| author | Franz Glasner <fzglas.hg@dom66.de> |
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| date | Mon, 15 Sep 2025 11:43:07 +0200 |
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| 1:1d09e1dec1d9 | 2:b50eed0cc0ef |
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| 1 .TH "constants.h" 3 "August 2021" "Brotli" \" -*- nroff -*- | |
| 2 .ad l | |
| 3 .nh | |
| 4 .SH NAME | |
| 5 constants.h \- Common constants used in decoder and encoder API\&. | |
| 6 | |
| 7 .SH SYNOPSIS | |
| 8 .br | |
| 9 .PP | |
| 10 .SS "Macros" | |
| 11 | |
| 12 .in +1c | |
| 13 .ti -1c | |
| 14 .RI "#define \fBBROTLI_LARGE_MAX_DISTANCE_BITS\fP 62U" | |
| 15 .br | |
| 16 .RI "\fIThe theoretical maximum number of distance bits specified for large window brotli, for 64-bit encoders and decoders\&. \fP" | |
| 17 .ti -1c | |
| 18 .RI "#define \fBBROTLI_LARGE_MAX_WBITS\fP 30" | |
| 19 .br | |
| 20 .RI "\fIThe maximum supported large brotli window bits by the encoder and decoder\&. \fP" | |
| 21 .ti -1c | |
| 22 .RI "#define \fBBROTLI_MAX_NPOSTFIX\fP 3" | |
| 23 .br | |
| 24 .RI "\fIMaximal number of 'postfix' bits\&. \fP" | |
| 25 .in -1c | |
| 26 .SH "Detailed Description" | |
| 27 .PP | |
| 28 Common constants used in decoder and encoder API\&. | |
| 29 | |
| 30 | |
| 31 .SH "Macro Definition Documentation" | |
| 32 .PP | |
| 33 .SS "#define BROTLI_LARGE_MAX_DISTANCE_BITS 62U" | |
| 34 | |
| 35 .PP | |
| 36 The theoretical maximum number of distance bits specified for large window brotli, for 64-bit encoders and decoders\&. Even when in practice 32-bit encoders and decoders only support up to 30 max distance bits, the value is set to 62 because it affects the large window brotli file format\&. Specifically, it affects the encoding of simple huffman tree for distances, see Specification RFC 7932 chapter 3\&.4\&. | |
| 37 .SS "#define BROTLI_LARGE_MAX_WBITS 30" | |
| 38 | |
| 39 .PP | |
| 40 The maximum supported large brotli window bits by the encoder and decoder\&. Large window brotli allows up to 62 bits, however the current encoder and decoder, designed for 32-bit integers, only support up to 30 bits maximum\&. | |
| 41 .SS "#define BROTLI_MAX_NPOSTFIX 3" | |
| 42 | |
| 43 .PP | |
| 44 Maximal number of 'postfix' bits\&. Number of 'postfix' bits is stored as 2 bits in meta-block header\&. | |
| 45 .SH "Author" | |
| 46 .PP | |
| 47 Generated automatically by Doxygen for Brotli from the source code\&. |