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youtube-dl -F <url> The video can be downloaded by selecting the format code from the list or typing the format manually: youtube-dl -f <format/code> <url> The best quality video can be downloaded with the -f best option. Also, the quality of the audio and video streams can be specified separately and merged with the + operator. [34]
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Some are combinations of common container formats and audio and video coding profiles, such as AVCHD and DivX formats. Although sometimes compared to DivX products, Xvid is neither a container format nor a video format, it is a software library that encodes video using specific coding profiles of the common MPEG-4 ASP video format. Those types ...
The following tables compare general and technical information for a number of current, notable video hosting services. Please see the individual products' articles for further information. Please see the individual products' articles for further information.
Video Acceleration API (VA API) – an alternative video acceleration API for Linux/UNIX operating-system. OpenMAX IL (Open Media Acceleration Integration Layer) – a royalty-free cross-platform media abstraction API from the Khronos Group; X-Video Motion Compensation (XvMC) API – first media API for Linux/UNIX operating-systems, now ...
As the template compression methods shows, lossy video compression algorithms involve the steps: motion estimation (ME), discrete cosine transform (DCT), and entropy encoding (EC). AMD Video Code Engine (VCE) is a full hardware implementation of the video codec H.264/MPEG-4 AVC. It is capable of delivering 1080p at 60 frames/sec.
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Typically, viewers are screened for normal vision or corrected-to-normal vision using Snellen charts. Color blindness is often tested with Ishihara plates. [2] There is an ongoing discussion in the QoE community as to whether a viewer's cultural, social, or economic background has a significant impact on the obtained subjective video quality ...