The input.mp3,, will split into a temporary stream. Below is an example of a distinct linear chain. Below is an example of a linear chain horizontally flipping a video and then inverting the colors: $ ffmpeg -i input.mp4 -vf "hflip,negate" output.mp4ĭistinct linear chains use secondary inputs or create temporary streams before creating the final output. Linear chains are filtering done on the input stream or virtual temporary streams but do not require an additional temporary stream before creating the output file. Linear chains are separated by commas while distinct linear chains are separated by semicolons.
There are two types of filter chaining in FFMPEG Linear chains and distinct linear chains. It is possible to apply one filter at a time constantly referencing the last output file but ideally, chains are used to efficiently apply multiple filters.
As you use FFMPEG one command might get the job done but at times applying multiple filters to a video is needed.
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