Track selection - Video CDN [EN]
Streaming protocol usage is mandatory for the feature.
Imagine you have an MP4 file that includes several video and audio tracks. For example, English, French, and German. Wouldn’t it be convenient if each viewer could automatically receive the version of the video with the audio track most relevant to them?
With this feature, the Video CDN can repackage the video file on the fly, ensuring that the delivered file comes preconfigured with the correct video and audio tracks. This eliminates the need for manual track selection and provides a smoother playback experience right from the start.
Visually, the process looks like this:
See also
Builtin url parametrization system
The concept of featuring, that does not require explicit configuration
Url parameter, used to substitute tracks in a resulting video stream