| /external/webp/ |
| D | NEWS | 9 * some minor optimizations in the lossless encoder
13 webp-lossless-bitstream-spec.txt (#611)
18 * security fix for lossless decoder (chromium: #1479274, CVE-2023-4863)
22 * security fixes for lossless encoder (#603, chromium: #1420107, #1455619,
33 * further updates to the container and lossless bitstream docs (#581, #611)
39 * major updates to the container and lossless bitstream docs (#448, #546,
46 * fix lossless crunch mode encoding with WEBP_REDUCE_SIZE
51 * security fix for lossless encoder (#565, chromium:1313709)
52 * improved progress granularity in WebPReportProgress() when using lossless
54 * many corrections to webp-lossless-bitstream-spec.txt (#551)
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| D | ChangeLog | 54 15a1309e Merge "webp-lossless-bitstream-spec: delete extra blank line" into main
57 e9d50107 webp-lossless-bitstream-spec: delete extra blank line
59 e30a5884 webp-lossless-bitstream-spec: update variable names
62 40afa926 webp-lossless-bitstream-spec: simplify abstract
74 accd141d Update lossless spec for two simple codes.
91 a2de25f6 webp-lossless-bitstream-spec: normalize list item case
92 68820f0e webp-lossless-bitstream-spec: normalize pixel ref
93 cdb31aa8 webp-lossless-bitstream-spec: add missing periods
94 0535a8cf webp-lossless-bitstream-spec: fix grammar
99 dd88d2ff webp-lossless-bitstream-spec: color_cache -> color cache
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| /external/webp/man/ |
| D | img2webp.1 | 31 lossless compression by default, but can be combined with \-q, \-m, \-lossy or
44 lossy or lossless compression for each frame heuristically. This global
45 option disables the local option \fB-lossy\fP and \fB-lossless\fP .
48 Specify the level of near\-lossless image preprocessing. This option adjusts
50 quality. It triggers lossless compression mode automatically. The range is 0
80 .B \-lossless, \-lossy
81 Compress the next image(s) using lossless or lossy compression mode. The
82 default mode is lossless.
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| D | cwebp.1 | 39 .B \-lossless
45 Specify the level of near\-lossless image preprocessing. This option adjusts
47 quality. It triggers lossless compression mode automatically. The range is 0
59 In case of lossless compression (specified by the \fB\-lossless\fP option), a
64 Switch on \fBlossless\fP compression mode with the specified level between 0
73 Lossless compression of alpha is achieved using a value of 100, while the lower
273 no compression, 1 uses WebP lossless format for compression. The default is 1.
310 cwebp \-q 50 -lossless picture.png \-o picture_lossless.webp
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| D | gif2webp.1 | 40 lossy or lossless compression for each frame heuristically.
46 In case of lossless compression (default), a small factor enables faster
66 uses lossless compression by default, but can be combined with \-q, \-m,
81 kmax = 17 for lossless compression and kmin = 3, kmax = 5 for lossy compression.
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| /external/webp/src/webp/ |
| D | encode.h | 63 // lossless manner. Files are usually larger than lossy format, but will
66 // settings. For lossless this means 'exact' is disabled. RGB values in
96 int lossless; // Lossless encoding (0=lossy(default), 1=lossless). member
98 // size and 100 the largest. For lossless, this
104 WebPImageHint image_hint; // Hint for image type (lossless only for now).
118 // 1 = compressed with WebP lossless). Default is 1.
121 int alpha_quality; // Between 0 (smallest size) and 100 (lossless).
141 int near_lossless; // Near lossless encoding [0 = max loss .. 100 = off
148 int use_delta_palette; // reserved for future lossless feature
173 // Note that the default values are lossless=0 and quality=75.
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| /external/libjpeg-turbo/ |
| D | transupp.h | 49 * this is not strictly lossless, but it usually gives the best-looking
55 * We also offer a lossless-crop option, which discards data outside a given
57 * flip transforms, lossless crop is restricted by the JPEG format: the upper
65 * A complementary lossless wipe option is provided to discard (gray out) data
67 * A lossless drop option is also provided, which allows another JPEG image to
76 * We also provide a lossless-resize option, which is kind of a lossless-crop
86 * chrominance channels of a YCbCr image. This is lossless in the sense that
193 /* Determine whether lossless transformation is perfectly
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| D | rdjpgcom.c | 283 case M_SOF3: process = "Lossless"; break; in process_SOFn()
286 case M_SOF7: process = "Differential lossless"; break; in process_SOFn()
289 case M_SOF11: process = "Lossless, arithmetic coding"; break; in process_SOFn()
293 case M_SOF15: process = "Differential lossless, arithmetic coding"; break; in process_SOFn()
341 case M_SOF3: /* Lossless, Huffman */ in scan_JPEG_header()
344 case M_SOF7: /* Differential lossless, Huffman */ in scan_JPEG_header()
347 case M_SOF11: /* Lossless, arithmetic */ in scan_JPEG_header()
350 case M_SOF15: /* Differential lossless, arithmetic */ in scan_JPEG_header()
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| D | README.md | 50 generating planar YUV images and performing multiple simultaneous lossless
167 - **jpegtran: Lossless cropping**
171 - **jpegtran: Forcing width/height when performing lossless crop**
203 lossless format nor as a means of quality enhancement, and thus our primary
215 - **Lossless RGB JPEG files**<br>
223 lossless SmartScale encoding. Furthermore, there was actually no reason to
228 Our research (see link above) has shown that lossless SmartScale does not
230 existing, standard lossless formats. Therefore, at this time it is our belief
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| /external/flac/ |
| D | CONTRIBUTING.md | 29 - FLAC should be lossless. This seems obvious but lossy compression
31 should stay archival quality and be truly lossless for all input.
34 lossless codecs.
37 - FLAC should allow gapless playback of consecutive streams. This follows from the lossless goal.
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| /external/webp/src/dec/ |
| D | vp8li_dec.h | 10 // Lossless decoder: internal header.
101 // Decodes image header for alpha data stored using lossless compression.
114 // Allocates and initialize a new lossless decoder instance.
120 // Decodes an image. It's required to decode the lossless header before calling
128 // Clears and deallocate a lossless decoder instance.
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| /external/webp/examples/ |
| D | img2webp.c | 48 printf(" -mixed ............... use mixed lossy/lossless automatic mode\n"); in Help()
49 printf(" -near_lossless <int> . use near-lossless image preprocessing\n" in Help()
62 printf(" -lossless ........... use lossless mode (default)\n"); in Help()
192 config.lossless = 0; in main()
231 config.lossless = 1; in main()
237 if (!anim_config.allow_mixed) config.lossless = 0; in main()
238 } else if (!strcmp(argv[c], "-lossless")) { in main()
239 if (!anim_config.allow_mixed) config.lossless = 1; in main()
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| D | cwebp.c | 169 fprintf(stderr, "Lossless-%s compressed size: %d bytes\n", in PrintFullLosslessInfo()
174 fprintf(stderr, " * Lossless features used:"); in PrintFullLosslessInfo()
550 printf(" -z <int> ............... activates lossless preset with given\n" in HelpLong()
598 printf(" -lossless .............. encode image losslessly, default=off\n"); in HelpLong()
599 printf(" -near_lossless <int> ... use near-lossless image preprocessing\n" in HelpLong()
768 } else if (!strcmp(argv[c], "-lossless")) { in main()
769 config.lossless = 1; in main()
772 config.lossless = 1; // use near-lossless only with lossless in main()
944 fprintf(stderr, "Invalid lossless preset (-z %d)\n", lossless_preset); in main()
949 // Check for unsupported command line options for lossless mode and log in main()
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| D | gif2webp.c | 72 " or lossless compression heuristically\n"); in Help()
76 " lossless compression by default; can be\n" in Help()
145 config.lossless = 1; // Use lossless compression by default. in main()
164 config.lossless = 0; in main()
167 config.lossless = 0; in main()
256 // Appropriate default kmin, kmax values for lossy and lossless. in main()
258 enc_options.kmin = config.lossless ? 9 : 3; in main()
261 enc_options.kmax = config.lossless ? 17 : 5; in main()
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| /external/libgav1/src/ |
| D | reconstruction.h | 36 TransformSize tx_size, bool lossless, Residual* buffer,
41 TransformSize tx_size, bool lossless,
47 TransformSize tx_size, bool lossless,
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| D | reconstruction.cc | 134 TransformSize tx_size, bool lossless, Residual* const buffer, in Reconstruct() argument
156 lossless ? dsp::kTransform1dWht : kRowTransform[tx_type]; in Reconstruct()
168 lossless ? dsp::kTransform1dWht : kColumnTransform[tx_type]; in Reconstruct()
179 TransformSize tx_size, bool lossless, int16_t* buffer,
184 TransformSize tx_size, bool lossless, int32_t* buffer,
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| /external/webp/doc/ |
| D | webp-container-spec.txt | 24 compress image data in a lossy way or (ii) the WebP lossless encoding. These
36 * Lossless Compression: An image can be losslessly compressed, using the
37 WebP Lossless Format.
220 Simple File Format (Lossless)
223 **Note:** Older readers may not support files using the lossless format.
229 Simple WebP (lossless) file format:
257 [WebP Lossless Bitstream Format][webpllspec]. Note that the VP8L header
617 * `1`: Compressed using the WebP lossless format.
630 compression method is '0') or compressed using the lossless format
636 * Lossless format compression: The byte sequence is a compressed
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| D | tools.md | 18 You might want to try the `-lossless` flag too, which will compress the source
46 -z <int> ............... activates lossless preset with given
84 -lossless .............. encode image losslessly, default=off
85 -near_lossless <int> ... use near-lossless image preprocessing
309 -mixed ............... use mixed lossy/lossless automatic mode
310 -near_lossless <int> . use near-lossless image preprocessing
324 -lossless ........... use lossless mode (default)
353 or lossless compression heuristically
357 lossless compression by default; can be
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| D | specs_generation.md | 20 $ kramdown doc/webp-lossless-bitstream-spec.txt --template \
23 doc/output/webp-lossless-bitstream-spec.html
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| /external/libaom/av1/common/ |
| D | idct.c | 47 int lossless = txfm_param->lossless; in av1_highbd_inv_txfm_add_4x4_c() local
50 if (lossless) { in av1_highbd_inv_txfm_add_4x4_c()
205 txfm_param->lossless = xd->lossless[xd->mi[0]->segment_id]; in init_txfm_param()
261 // which is significant (not just an optimization) for the lossless in av1_highbd_inv_txfm_add_c()
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| /external/libaom/test/ |
| D | lossless_test.cc | 47 // alone will activate lossless in PreEncodeFrameHook()
74 << "Error: Base_qindex is non zero for lossless coding"; in HandleDecodeResult()
151 // lossless in TestLosslessEncodingCtrl()
184 // lossless in TEST_P()
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| D | av1_encoder_parms_get_to_decoder.cc | 41 int32_t lossless; member
109 encoder->Control(AV1E_SET_LOSSLESS, encode_parms.lossless); in PreEncodeFrameHook()
131 if (encode_parms.lossless) { in PSNRPktHook()
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| D | monochrome_test.cc | 100 // Check average PSNR value is >= 100 db in case of lossless encoding. in PSNRPktHook()
200 ::testing::Values(0), // lossless
205 ::testing::Values(0, 1), // lossless
210 ::testing::Values(0), // lossless
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| /external/google-cloud-java/java-mediatranslation/proto-google-cloud-mediatranslation-v1beta1/src/main/java/com/google/cloud/mediatranslation/v1beta1/ |
| D | TranslateSpeechConfigOrBuilder.java | 35 * `flac` (Free Lossless Audio Codec) is the recommended encoding
36 * because it is lossless--therefore recognition is not compromised--and
68 * `flac` (Free Lossless Audio Codec) is the recommended encoding
69 * because it is lossless--therefore recognition is not compromised--and
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| /external/rust/crates/ciborium/ |
| D | README.md | 28 serializes numbers to the smallest possible lossless encoding. For example,
36 implies a requirement for lossless coercion. Third, dynamic languages like
40 This coercion is **always** lossless. For floats, this implies that we
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