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x264 is a free and open-source software library and a command-line utility developed by VideoLAN for encoding video streams into the H.264/MPEG-4 AVC video coding format. [2] It is released under the terms of the GNU General Public License. [2]
In computer programming, a usage message or help message is a brief message displayed by a program that utilizes a command-line interface for execution. This message usually consists of the correct command line usage for the program and includes a list of the correct command-line arguments or options acceptable to said program.
A command-line interface (CLI) is a means of interacting with a computer program by inputting lines of text called command lines. Command-line interfaces emerged in the mid-1960s, on computer terminals , as an interactive and more user-friendly alternative to the non-interactive mode available with punched cards .
COMMAND.COM, the original Microsoft command line processor introduced on MS-DOS as well as Windows 9x, in 32-bit versions of NT-based Windows via NTVDM; cmd.exe, successor of COMMAND.COM introduced on OS/2 and Windows NT systems, although COMMAND.COM is still available in virtual DOS machines on IA-32 versions of those operating systems also.
x265 builds on source code from x264, an open-source video encoder for the previous MPEG video coding standard, H.264/MPEG-4 AVC. The project has licensed the rights to use the x264 source code. [3] Development on x265 began in March 2013. [7] MulticoreWare made the source code for x265 publicly available on July 23, 2013. [4] [5]
Intel provides various licensing options on their implementation of an H.264 (amongst others) encoder/decoder as part of their Integrated Performance Primitives package, which includes an evaluation source code download. MainConcept H.264/AVC SDK offers encoding and decoding in all profiles and levels supported by the standard.
x264 (encoder only) FFmpeg (decoder only) AVC-Ultra – a subset of MPEG-4 AVC Hi444PP profile; XAVC-I; CineForm HD CineForm-SDK – developed by GoPro (open source) FFmpeg; SMPTE standard VC-2 SMPTE standard (a.k.a. Dirac Pro. SMPTE ST 2042) Schrödinger; dirac-research; VC-2 Reference Encoder and Decoder – developed by BBC (open source)
To get started with AWS CDK, developers need to install the AWS CDK Toolkit, which provides a command-line interface (CLI) for creating and managing AWS CDK projects. [17] The CLI can be installed using the Node.js package manager or any compatible package manager. Once the AWS CDK Toolkit is installed, developers can create a new AWS CDK ...