Searched refs:JPEG (Results 1 – 25 of 184) sorted by relevance
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1 The Independent JPEG Group's JPEG software7 This distribution contains the ninth public release of the Independent JPEG8 Group's free JPEG software. You are welcome to redistribute this software and14 and other members of the Independent JPEG Group.17 (also known as JPEG, together with ITU-T SG16).25 OVERVIEW General description of JPEG and the IJG software.27 REFERENCES Where to learn more about JPEG.40 wizard.txt Advanced usage instructions for JPEG wizards only.43 libjpeg.txt How to use the JPEG library in your own programs.44 example.c Sample code for calling the JPEG library.[all …]
1 CHANGE LOG for Independent JPEG Group's JPEG software7 Add cjpeg -rgb1 option to create an RGB JPEG file, and insert13 the files are not compatible with JPEG decoders prior to IJG v916 other JPEG standards (e.g., JPEG-LS part 2).43 Add cjpeg -rgb option to create RGB JPEG files.45 colorspace input to the default YCbCr JPEG colorspace.46 This feature allows true lossless JPEG coding of RGB color images.49 SmartScale capable decoder (introduced with IJG JPEG 8) required.68 SmartScale capable decoder (introduced with IJG JPEG 8) required.74 Repair problem in new memory source manager with corrupt JPEG data.[all …]
8 The Independent JPEG Group's JPEG software11 This distribution contains a release of the Independent JPEG Group's free JPEG18 and other members of the Independent JPEG Group.21 (also known as JPEG, together with ITU-T SG16).29 OVERVIEW General description of JPEG and the IJG software.31 REFERENCES Where to learn more about JPEG.42 wizard.txt Advanced usage instructions for JPEG wizards only.45 libjpeg.txt How to use the JPEG library in your own programs.46 example.c Sample code for calling the JPEG library.47 structure.txt Overview of the JPEG library's internal structure.[all …]
1 Advanced usage instructions for the Independent JPEG Group's JPEG software6 The "wizard" switches are intended for experimentation with JPEG by persons7 who are reasonably knowledgeable about the JPEG standard. If you don't know11 when making files intended for general use, because not all JPEG decoders12 will support unusual JPEG parameter settings.19 as examples in the JPEG standard) and scales them up or down according to24 JPEG and is not supported by all implementations. If you need to ensure39 will be stored in the JPEG file).46 # Quantization tables given in JPEG spec, section K.182 component, in the order in which the components appear in the JPEG SOF marker.[all …]
4 USAGE instructions for the Independent JPEG Group's JPEG software7 This file describes usage of the JPEG conversion programs cjpeg and djpeg,9 the other documentation files if you wish to use the JPEG library within18 These programs implement JPEG image encoding, decoding, and transcoding.19 JPEG (pronounced "jay-peg") is a standardized compression method for25 We provide two programs, cjpeg to compress an image file into JPEG format,26 and djpeg to decompress a JPEG file back into a conventional image format.58 JPEG files are in the defacto standard JFIF file format. There are other,59 less widely used JPEG-based file formats, but we don't support them.76 -grayscale Create monochrome JPEG file from color input.[all …]
15 specially-crafted JPEG image was being decompressed. In prior versions of18 to construct a JPEG image in which a single Huffman block is over 430 bytes25 [4] Fixed an issue whereby a malformed motion-JPEG frame could cause the "fast38 incorrectly encode certain JPEG images when quality=100 and the fast integer54 decompressing a 4:2:0 JPEG image whose scaled output width was less than 1656 decompressing a non-YCbCr JPEG image, but they are also used when decompressing57 a JPEG image whose scaled output height is 1.65 to partially decode a JPEG image. See libjpeg.txt for more details.71 [1] tjbench now properly handles CMYK/YCCK JPEG files. Passing an argument of73 the source bitmap to CMYK prior to compression, to generate YCCK JPEG files,[all …]
1 USING THE IJG JPEG LIBRARY3 This file was part of the Independent JPEG Group's software:11 This file describes how to use the IJG JPEG library within an application15 JPEG library. Also see jpeglib.h (the include file to be used by application45 Progressive JPEG support68 The IJG JPEG library provides C code to read and write JPEG-compressed image75 JPEG standard but is necessary for typical applications of JPEG. These76 functions preprocess the image before JPEG compression or postprocess it after83 A wide range of quality vs. speed tradeoffs are possible in JPEG processing,89 low-quality modes may not meet the JPEG standard's accuracy requirements;[all …]
1 IJG JPEG LIBRARY: SYSTEM ARCHITECTURE3 This file was part of the Independent JPEG Group's software:10 This file provides an overview of the architecture of the IJG JPEG software;15 We assume that the reader is already somewhat familiar with the JPEG standard.16 The README file includes references for learning about JPEG. The file21 In this document, JPEG-specific terminology follows the JPEG standard:40 * A subroutine library for JPEG compression and decompression.42 JFIF JPEG files to and from several other image formats.47 We desire the library to be capable of supporting all JPEG baseline, extended51 The library does not support the lossless (spatial) JPEG process. Lossless[all …]
4 CHANGE LOG for Independent JPEG Group's JPEG software10 Add cjpeg -rgb option to create RGB JPEG files.12 colorspace input to the default YCbCr JPEG colorspace.22 Repair problem in new memory source manager with corrupt JPEG data.117 if decoding a progressive JPEG. The appearance no longer depends on the144 Multiple calls to jpeg_simple_progression for a single JPEG object191 Progressive JPEG support: library can read and write full progressive JPEG198 JPEG formats; primarily, it can be used to convert baseline to progressive199 JPEG and vice versa. In support of jpegtran, the library now allows lossless200 reading and writing of JPEG files as DCT coefficient arrays. This ability[all …]
4 * This file was part of the Independent JPEG Group's software:11 * customize the JPEG software for a particular system.74 * compiling the JPEG code.89 * The following options affect code selection within the JPEG library,108 * The remaining options do not affect the JPEG library proper,115 /* These defines indicate which image (non-JPEG) file formats are allowed. */
5 libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2,6 NEON) to accelerate baseline JPEG compression and decompression on x86, x86-64,11 libjpeg-turbo rivals that of proprietary high-speed JPEG codecs.23 of making high-speed JPEG compression/decompression technology available to a40 JPEG images:43 and decompressing JPEG images in memory. It also provides some functionality50 decompressing JPEG images. It is more difficult to use than the TurboJPEG63 libjpeg-turbo includes extensions that allow JPEG images to be compressed123 v7+ could take advantage of accelerated baseline JPEG encoding/decoding188 SmartScale is an extension to the JPEG format that allows for DCT block[all …]
1 IJG JPEG LIBRARY: CODING RULES3 This file was part of the Independent JPEG Group's software:49 The JPEG library is intended to be used within larger programs. Furthermore,76 modules that are used in cjpeg/djpeg but are not part of the JPEG library
1 The Independent JPEG Group's JPEG software7 This distribution contains the sixth public release of the Independent JPEG8 Group's free JPEG software. You are welcome to redistribute this software and18 Guido Vollbeding, Ge' Weijers, and other members of the Independent JPEG21 IJG is not affiliated with the official ISO JPEG standards committee.29 OVERVIEW General description of JPEG and the IJG software.31 REFERENCES Where to learn more about JPEG.44 wizard.doc Advanced usage instructions for JPEG wizards only.47 libjpeg.doc How to use the JPEG library in your own programs.48 example.c Sample code for calling the JPEG library.[all …]
10 Description: A SIMD-accelerated JPEG codec that provides both the libjpeg and TurboJPEG APIs11 libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2,12 NEON) to accelerate baseline JPEG compression and decompression on x86,17 performance of libjpeg-turbo rivals that of proprietary high-speed JPEG30 of making high-speed JPEG compression/decompression technology available to a
1 …JPEG image codec that uses SIMD instructions (MMX, SSE2, NEON) to accelerate baseline JPEG compres…5 … spun off into an independent project, with the goal of making high-speed JPEG compression/decompr…
28 Summary: A SIMD-accelerated JPEG codec that provides both the libjpeg and TurboJPEG APIs46 libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2,47 NEON) to accelerate baseline JPEG compression and decompression on x86, x86-64,52 libjpeg-turbo rivals that of proprietary high-speed JPEG codecs.64 of making high-speed JPEG compression/decompression technology available to a
7 /* Pick up YCbCr subsampling info from the JPEG data stream to support files68 /* Support JPEG compression (requires IJG JPEG library) */89 /* Support Old JPEG compresson (read-only) */
27 import static com.google.common.net.MediaType.JPEG;177 assertFalse(JPEG.hasWildcard()); in testHasWildcard()188 assertTrue(JPEG.is(ANY_TYPE)); in testIs()192 assertFalse(JPEG.is(ANY_TEXT_TYPE)); in testIs()
14 * Only 8 and 12 are legal data precisions for lossy JPEG according to the15 * JPEG standard, and the IJG code does not support anything else!
9 libjpeg The Independent JPEG Group's JPEG software.39 variety of formats. One such format supported by JasPer is the JPEG-2000
4 import static com.bumptech.glide.load.resource.bitmap.ImageHeaderParser.ImageType.JPEG;30 JPEG(false), enumConstant91 return JPEG; in getType()
72 formats.add(ImageFormat.JPEG); in getSupportedPictureFormats()80 formats.add(ImageFormat.JPEG); in getSupportedPreviewFormats()
284 +/* Support JPEG compression (requires IJG JPEG library) */296 +/* Support Old JPEG compresson (read contrib/ojpeg/README first! Compilation297 + fails with unpatched IJG JPEG library) */324 +/* Pick up YCbCr subsampling info from the JPEG data stream to support files
28 import static com.google.common.net.MediaType.JPEG;237 assertFalse(JPEG.hasWildcard());248 assertTrue(JPEG.is(ANY_TYPE));252 assertFalse(JPEG.is(ANY_TEXT_TYPE));
2 JPEG compressed preview image contained in a RAW file.