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The bytes s1 and s2 are taken together to represent a big-endian 16-bit integer specifying the length of the following "data bytes" plus the 2 bytes used to represent the length. In other words, s1 and s2 specify the number of the following data bytes as 256 ⋅ s 1 + s 2 − 2 {\displaystyle 256\cdot s1+s2-2} .
nuru ASCII/ANSI image and palette files [15] 53 44 50 58 (big-endian format) SDPX: 0 dpx SMPTE DPX image: 58 50 44 53 (little-endian format) XPDS: 76 2F 31 01: v/1␁ 0 exr OpenEXR image: 42 50 47 FB: BPGû: 0 bpg Better Portable Graphics format [16] FF D8 FF DB: ÿØÿÛ: 0 jpg jpeg JPEG raw or in the JFIF or Exif file format [17] FF D8 FF E0 ...
push a byte onto the stack as an integer value: breakpoint ca 1100 1010 reserved for breakpoints in Java debuggers; should not appear in any class file caload 34 0011 0100 arrayref, index → value load a char from an array castore 55 0101 0101 arrayref, index, value → store a char into an array checkcast c0 1100 0000 2: indexbyte1, indexbyte2
Exchangeable image file format (officially Exif, according to JEIDA/JEITA/CIPA specifications) [5] is a standard that specifies formats for images, sound, and ancillary tags used by digital cameras (including smartphones), scanners and other systems handling image and sound files recorded by digital cameras.
The JPEG standard specifies the codec, which defines how an image is compressed into a stream of bytes and decompressed back into an image, but not the file format used to contain that stream. [19] The Exif and JFIF standards define the commonly used file formats for interchange of JPEG-compressed images.
Codestream packing: All entropy-coded data are packed into a linear stream of bits (grouped in byte multiples) along with all of the required image metadata. This sequence of bytes is called the codestream and its high-level syntax is based on the typical JPEG markers and marker segments syntax. [29]
Compiled Java class files and Mach-O binaries start with hex CAFEBABE. When compressed with Pack200 the bytes are changed to CAFED00D. GIF image files have the ASCII code for "GIF89a" (47 49 46 38 39 61) or "GIF87a" (47 49 46 38 37 61) JPEG image files begin with FF D8 and end with FF D9.
An ELF file has two views: the program header shows the segments used at run time, whereas the section header lists the set of sections.. In computing, the Executable and Linkable Format [2] (ELF, formerly named Extensible Linking Format) is a common standard file format for executable files, object code, shared libraries, and core dumps.