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All values plotted above the red dash-dot line should be decoded as white with all visual distinction in the values from 235-255 clipped to the same maximum value of white. In the Y graph there is a red dash-dot line at 235 (the equivalent of 100 IRE) to show broadcast white and a blue dash-dot line is at 16 (the equivalent of 7.5 IRE) to show broadcast black. These filters examine every pixel in a given channel and records the Maximum, Minimum, and Average values.Įach plot shows a dot-dash line to show the limits of broadcast range. QCTools can analyze the YUV Values of a particular encoded video file in order to provide information about the appearance of the video. YUV refers to a particular a way of encoding color information in analog video where Y channels carry luma, or brightness information ( /wiki/Luma, and U and V channels carry information about color, or chrominance ( /wiki/Chrominance). Interlacement Detection (repeated fields).Interlacement Detection (multiple frames).Packet Duration Time (pkt_duration_time).SSH into your Ubuntu server and update the apt package index. To install FFmpeg on Ubuntu, follow these steps:ġ. Conveniently, you can install FFmpeg through your distro’s package manager, such as apt in Ubuntu. As such, your computer must have decent hardware capacity.įFmpeg is available in the default repositories of most Linux distributions. Multimedia processing is generally a resource-intensive task. Your computer must have at least 4GB of RAM and a two-core CPU.While the installation method varies, FFmpeg usage should be the same across different operating systems. This tutorial will be using Ubuntu 20.04, Windows 10, and macOS Big Sur for the installation. You’ll need a computer running on a compatible operating system, such as Windows, Linux (RHEL-based, Debian-based, or Ubuntu-based), and macOS.If you’d like to follow along, be sure you have the following. This tutorial will be a hands-on demonstration. Example 4: Extracting Audio from a Video File.

Example 3: Changing the Video Resolution.Example 2: Changing the Container without Encoding.Example 1: Basic Conversion with Automatic Codec Selection.Converting Media Files with FFmpeg (Examples).Listing Available Encoders and Decoders.Method 2: Install FFmpeg via Chocolatey.Method 1: Install FFmpeg via PowerShell.