badlol.blogg.se - Ffmpeg command line

(This option uses t as an abbreviation for transcode duration.

The -t 00:22:00 option specifies the duration of the output trimmed video, so we'll be extracting 22 minutes of video starting at the 5-minute mark.

So here we're saying to start at the 5-minute mark.

The the -ss 00:05:00 option sets the start time for the trimmed output video, in HH:MM:SS format.

(You could also specify a codec here if desired.)

Th -c copy option tells FFmpeg to simply copy the desired section of video without re-encoding it, which will preserve the quality of the original video with no degradation.The -i inputfile.mp4 option specifies the input file.Here's an example of an FFmpeg command to trim a video: ffmpeg -i inputfile.mp4 -c copy -ss 00:05:00 -t 00:22:00 outfile.mp4Īnd here's an explanation of the various command line options used: For example, in a recording of a presentation you might want to trim the beginning so that the speaker’s voice begins a second or two after the video starts, or trim the end to eliminate extra material after the speaker has finished. One of the most common video editing needs is trimming a video - removing extraneous material that was recorded before or after the subject of the video. The following sections cover a few of the ways you can edit video files with FFmpeg.

Note that you only need the stand-alone EXE file for most tasks. On Windows, this option will give you a few standalone EXE files, probably packaged in a ZIP container.Įxtract ffmpeg.exe, and either put it in the folder where you’ll be working or somewhere in your search path. If you don’t have unusual codec requirements or a desire to share libraries or work with the source code, the version you’ll want to install is the static binary for your platform. To install FFmpeg, go to the FFmpeg download page and select your operating system, and you’ll find options for installing source code or binaries. (You may not have the latest version, however, because some distros bundle a fork of FFmpeg.) For Windows users, you'll need to download and install it yourself. Ubuntu and other common Linux distros include FFmpeg, so if you're running Linux you may already have it. These examples are just the tip of the iceberg – FFmpeg's feature set is massive and includes numerous capabilities I've never used, ranging from real-time encoding of audio and video to metadata extraction, support for specialized multimedia hardware, and much more. In this post I'll provide a brief overview of how to get FFmpeg and examples of a few of the things I like to use it for. It's free, fast, cross-platform, widely used, and well supported. FFmpeg is a popular command-line tool for converting, encoding, decoding, and editing audio and video files, and if you work with audio or video it's a tool you'll find useful over and over again.