| /OK3568_Linux_fs/kernel/net/6lowpan/ |
| H A D | Kconfig | 18 tristate "Next Header and Generic Header Compression Support"
22 Support for next header and generic header compression defined in
31 6LoWPAN IPv6 Destination Options Header compression according to
38 6LoWPAN IPv6 Fragment Header compression according to RFC6282.
44 6LoWPAN IPv6 Hop-by-Hop Options Header compression according to
51 6LoWPAN IPv6 Header compression according to RFC6282.
57 6LoWPAN IPv6 Mobility Header compression according to RFC6282.
63 6LoWPAN IPv6 Routing Header compression according to RFC6282.
69 6LoWPAN IPv6 UDP Header compression according to RFC6282.
74 6LoWPAN IPv6 Hop-by-Hop option generic header compression according
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| /OK3568_Linux_fs/kernel/fs/squashfs/ |
| H A D | Kconfig | 8 filesystem for Linux. It uses zlib, lzo or xz compression to
65 If in doubt, select "Single threaded compression"
68 bool "Single threaded compression"
117 ZLIB compression is the standard compression used by Squashfs
118 file systems. It offers a good trade-off between compression
130 compressed with LZ4 compression. LZ4 compression is mainly
134 LZ4 is not the standard compression used in Squashfs and so most
145 compressed with LZO compression. LZO compression is mainly
149 LZO is not the standard compression used in Squashfs and so most
160 compressed with XZ compression. XZ gives better compression than
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| /OK3568_Linux_fs/kernel/usr/ |
| H A D | Kconfig | 113 prompt "Built-in initramfs compression mode"
117 initramfs will be compressed. Several compression algorithms are
118 available, which differ in efficiency, compression and
119 decompression speed. Compression speed is only relevant
126 High compression options are mostly useful for users who are
131 compression tool to compress the generated initram cpio file for
140 Use the old and well tested gzip compression algorithm. Gzip provides
141 a good balance between compression ratio and decompression speed and
142 has a reasonable compression speed. It is also more likely to be
150 It's compression ratio and speed is intermediate. Decompression speed
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| /OK3568_Linux_fs/kernel/include/linux/ |
| H A D | zlib.h | 1 /* zlib.h -- interface of the 'zlib' general purpose compression library
53 The 'zlib' compression library provides in-memory compression and
55 data. This version of the library supports only one compression method
59 Compression can be done in a single step if the buffers are large
61 repeated calls of the compression function. In the latter case, the
74 file compression on file systems, has a larger header than zlib to maintain
110 compression library and must not be updated by the application.
114 memory management. The compression library attaches no meaning to the
128 compression ratio, compile the library with -DMAX_WBITS=14 (see zconf.h).
131 progress reports. After compression, total_in holds the total size of
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| H A D | zstd.h | 27 * zstd, short for Zstandard, is a fast lossless compression algorithm,
28 * targeting real-time compression scenarios at zlib-level and better
29 * compression ratios. The zstd compression library provides in-memory
30 * compression and decompression functions. The library supports compression
33 * Compression can be done in:
35 * - unbounded multiple steps (described as Streaming compression)
36 * The compression ratio achievable on small data can be highly improved using
37 * compression with a dictionary in:
77 * ZSTD_maxCLevel() - maximum compression level available
79 * Return: Maximum compression level available.
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| /OK3568_Linux_fs/u-boot/arch/arm/mach-rockchip/ |
| H A D | fit_nodes.sh | 15 # compression
16 if [ "${COMPRESSION}" == "gzip" ]; then
19 elif [ "${COMPRESSION}" == "lzma" ]; then
23 COMPRESSION="none"
41 compression = \"${COMPRESSION}\";
43 if [ "${COMPRESSION}" != "none" ]; then
75 compression = \"none\";
103 compression = \"none\";
120 if [ "${COMPRESSION}" != "none" -a ${NUM} -eq 1 ]; then
130 compression = \"${COMPRESSION}\";
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| H A D | make_fit_boot.sh | 15 if [ "${COMPRESSION}" == "gzip" ]; then
18 elif [ "${COMPRESSION}" == "lz4" ]; then
22 COMPRESSION="none"
49 compression = "none";
58 compression = "${COMPRESSION}";
71 compression = "none";
85 compression = "none";
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| /OK3568_Linux_fs/kernel/fs/jffs2/ |
| H A D | Kconfig | 9 levelling, compression and support for hard links. You cannot use
101 bool "Advanced compression options for JFFS2"
106 compression modules, if any, are enabled in JFFS2. Removing
114 bool "JFFS2 ZLIB compression support" if JFFS2_COMPRESSION_OPTIONS
121 lossless data-compression library for use on virtually any computer
128 bool "JFFS2 LZO compression support" if JFFS2_COMPRESSION_OPTIONS
134 minilzo-based compression. Generally works better than Zlib.
140 bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
147 bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS
154 prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
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| H A D | compr.c | 24 /* Actual compression mode */
27 /* Statistics for blocks stored without compression */
32 * Return 1 to use this compression
60 * @compr: Explicit compression type to use (ie, JFFS2_COMPR_ZLIB).
61 * If 0, just take the first available compression mode.
64 * @datalen: On entry, holds the amount of data available for compression.
70 * Returns: the compression type used. Zero is used to show that the data
72 * compression mode.
84 pr_warn("No memory for compressor allocation. Compression failed.\n"); in jffs2_selected_compress()
95 /* Skip if not the desired compression type */ in jffs2_selected_compress()
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| /OK3568_Linux_fs/u-boot/lib/lzma/ |
| H A D | lzma.txt | 5 and tools you need to develop applications that use LZMA compression.
7 LZMA is default and general compression method of 7z format
8 in 7-Zip compression program (www.7-zip.org). LZMA provides high
9 compression ratio and very fast decompression.
11 LZMA is an improved version of famous LZ77 compression algorithm.
12 It was improved in way of maximum increasing of compression ratio,
54 methods.txt - Compression method IDs for .7z
92 Compress - files related to compression/decompression
102 LzmaCon - lzma.exe: LZMA compression/decompression
117 Compress - files related to compression/decompression
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| /OK3568_Linux_fs/kernel/fs/pstore/ |
| H A D | Kconfig | 18 tristate "DEFLATE (ZLIB) compression"
23 This option enables DEFLATE (also known as ZLIB) compression
27 tristate "LZO compression"
31 This option enables LZO compression algorithm support.
34 tristate "LZ4 compression"
38 This option enables LZ4 compression algorithm support.
41 tristate "LZ4HC compression"
45 This option enables LZ4HC (high compression) mode algorithm.
48 bool "842 compression"
52 This option enables 842 compression algorithm support.
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| /OK3568_Linux_fs/kernel/drivers/staging/media/atomisp/pci/ |
| H A D | ia_css_input_port.h | 33 /* The CSI2 interface supports 2 types of compression or can
34 * be run without compression.
37 IA_CSS_CSI2_COMPRESSION_TYPE_NONE, /** No compression */
38 IA_CSS_CSI2_COMPRESSION_TYPE_1, /** Compression scheme 1 */
39 IA_CSS_CSI2_COMPRESSION_TYPE_2 /** Compression scheme 2 */
44 /** Compression used */
46 /** Compressed bits per pixel (only when compression is enabled) */
48 /** Uncompressed bits per pixel (only when compression is enabled) */
58 struct ia_css_csi2_compression compression; /** Compression used */ member
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| /OK3568_Linux_fs/buildroot/fs/ubifs/ |
| H A D | Config.in | 30 prompt "ubifs runtime compression"
33 Select which compression format to use at run-time within
38 bool "no compression"
40 Don't use run-time compression.
45 Use zlib compression at run-time.
50 Use lzo compression at run-time.
55 prompt "Compression method"
58 Select which compression format to compress the final image
62 bool "no compression"
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| /OK3568_Linux_fs/buildroot/package/squashfs/ |
| H A D | Config.in | 5 # ensure at least on compression backend (defaults to gzip)
24 Support GZIP compression algorithm
30 Support LZ4 compression algorithm
36 Support LZMA compression algorithm
42 Support LZO compression algorithm
48 Support XZ compression algorithm
54 Support ZSTD compression algorithm
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| /OK3568_Linux_fs/kernel/include/crypto/ |
| H A D | acompress.h | 3 * Asynchronous Compression operations
16 * struct acomp_req - asynchronous (de)compression request
44 * @reqsize: Context size for (de)compression requests
56 * struct acomp_alg - asynchronous compression algorithm
73 * @reqsize: Context size for (de)compression requests
87 * DOC: Asynchronous Compression API
89 * The Asynchronous Compression API is used with the algorithms of type
96 * compression algorithm e.g. "deflate"
100 * Allocate a handle for a compression algorithm. The returned struct
102 * API invocation for the compression operations.
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| /OK3568_Linux_fs/kernel/drivers/media/usb/pwc/ |
| H A D | pwc-ctrl.c | 71 /* Entries for the Nala (645/646) camera; the Nala doesn't have compression
142 int frames, int *compression, int send_to_cam) in set_video_mode_Nala() argument
197 if (pdev->release < 5) { /* 4 fold compression */ in set_video_mode_Nala()
209 /* Let pwc-if.c:isoc_init know we don't support higher compression */ in set_video_mode_Nala()
210 *compression = 3; in set_video_mode_Nala()
217 int frames, int *compression, int send_to_cam) in set_video_mode_Timon() argument
222 if (size >= PSZ_MAX || *compression < 0 || *compression > 3) in set_video_mode_Timon()
232 /* Find a supported framerate with progressively higher compression */ in set_video_mode_Timon()
234 pChoose = &Timon_table[size][fps][*compression]; in set_video_mode_Timon()
237 (*compression)++; in set_video_mode_Timon()
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| /OK3568_Linux_fs/u-boot/fit/ |
| H A D | u-boot.its | 22 compression = "none";
34 compression = "none";
46 compression = "none";
58 compression = "none";
70 compression = "none";
82 compression = "none";
94 compression = "none";
106 compression = "none";
118 compression = "none";
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| /OK3568_Linux_fs/kernel/drivers/net/ppp/ |
| H A D | Kconfig | 39 tristate "PPP BSD-Compress compression"
42 Support for the BSD-Compress compression method for PPP, which uses
43 the LZW compression method to compress each PPP packet before it is
45 (usually your ISP) has to support the BSD-Compress compression
49 The PPP Deflate compression method ("PPP Deflate compression",
53 Note that the BSD compression code will always be compiled as a
58 tristate "PPP Deflate compression"
63 Support for the Deflate compression method for PPP, which uses the
67 Deflate compression method as well for this to be useful. Even if
86 tristate "PPP MPPE compression (encryption)"
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| /OK3568_Linux_fs/external/rknpu2/examples/3rdparty/opencv/opencv-linux-aarch64/share/OpenCV/licenses/ |
| H A D | libjpeg-turbo-README.ijg | 63 and transcoding. JPEG (pronounced "jay-peg") is a standardized compression
68 quality may have to be used to avoid visible compression artifacts with such
73 very good compression ratios can be obtained with no visible compression
74 artifacts, and extremely high compression ratios are possible if you are
79 compression processes. Provision is made for supporting all variants of these
187 The best short technical introduction to the JPEG compression algorithm is
188 Wallace, Gregory K. "The JPEG Still Picture Compression Standard",
190 (Adjacent articles in that issue discuss MPEG motion picture compression,
200 "The Data Compression Book" by Mark Nelson and Jean-loup Gailly, published by
202 good explanations and example C code for a multitude of compression methods
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| /OK3568_Linux_fs/external/rknpu2/examples/3rdparty/opencv/OpenCV-android-sdk/sdk/etc/licenses/ |
| H A D | libjpeg-turbo-README.ijg | 63 and transcoding. JPEG (pronounced "jay-peg") is a standardized compression
68 quality may have to be used to avoid visible compression artifacts with such
73 very good compression ratios can be obtained with no visible compression
74 artifacts, and extremely high compression ratios are possible if you are
79 compression processes. Provision is made for supporting all variants of these
187 The best short technical introduction to the JPEG compression algorithm is
188 Wallace, Gregory K. "The JPEG Still Picture Compression Standard",
190 (Adjacent articles in that issue discuss MPEG motion picture compression,
200 "The Data Compression Book" by Mark Nelson and Jean-loup Gailly, published by
202 good explanations and example C code for a multitude of compression methods
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| /OK3568_Linux_fs/external/rknpu2/examples/3rdparty/opencv/opencv-linux-armhf/share/OpenCV/licenses/ |
| H A D | libjpeg-turbo-README.ijg | 63 and transcoding. JPEG (pronounced "jay-peg") is a standardized compression
68 quality may have to be used to avoid visible compression artifacts with such
73 very good compression ratios can be obtained with no visible compression
74 artifacts, and extremely high compression ratios are possible if you are
79 compression processes. Provision is made for supporting all variants of these
187 The best short technical introduction to the JPEG compression algorithm is
188 Wallace, Gregory K. "The JPEG Still Picture Compression Standard",
190 (Adjacent articles in that issue discuss MPEG motion picture compression,
200 "The Data Compression Book" by Mark Nelson and Jean-loup Gailly, published by
202 good explanations and example C code for a multitude of compression methods
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| /OK3568_Linux_fs/kernel/fs/ntfs/ |
| H A D | compress.c | 22 * ntfs_compression_constants - enum of constants used in the compression code
30 /* Compression sub-block constants. */
36 * The maximum compression block size is by definition 16 * the cluster
38 * maximum compression buffer size is 64kiB, so we use this when
39 * initializing the compression buffer.
115 * ntfs_decompress - decompress a compression block into an array of pages
124 * @cb_start: compression block to decompress (IN)
125 * @cb_size: size of compression block @cb_start in bytes (IN)
132 * This decompresses the compression block @cb_start into the array of
139 * @cb_start is a pointer to the compression block which needs decompressing
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| /OK3568_Linux_fs/kernel/fs/f2fs/ |
| H A D | Kconfig | 95 bool "F2FS compression feature"
98 Enable filesystem-level compression on f2fs regular files,
99 multiple back-end compression algorithms are supported.
102 bool "LZO compression support"
109 bool "LZ4 compression support"
116 bool "LZ4HC compression support"
125 bool "ZSTD compression support"
132 bool "LZO-RLE compression support"
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| /OK3568_Linux_fs/u-boot/doc/uImage.FIT/ |
| H A D | multi_spl.its | 27 compression = "none";
35 compression = "none";
44 compression = "none";
51 compression = "none";
59 compression = "none";
67 compression = "none";
75 compression = "none";
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| /OK3568_Linux_fs/kernel/Documentation/networking/ |
| H A D | fib_trie.rst | 16 indexed through a subset of the key. See Level Compression.
22 child array - the "child index". See Level Compression.
26 the child array. See Path Compression.
28 Path Compression / skipped bits
34 deviations. These "skipped bits" constitute Path Compression.
39 Level Compression / child arrays
73 level compression algorithm on part of the trie.
76 Looks up a key, deletes it and runs the level compression algorithm.
82 to implement level compression.
87 level compression. This part follows the original paper pretty closely
|