On Saturday, 10 December 2022 16:30:03 GMT Wols Lists wrote: > On 10/12/2022 16:19, Frank Steinmetzger wrote: > > Where do we confuse those two? We specifically talked of codecs and > > “contain”. > > "I didn't know .ts could contain h264". > > If .ts is the container, then surely the assumption is it can contain > any codec? If not, why not? Not any codec. Some container formats are only compatible with certain codecs, or rather the other way around. Have a look here: https://en.wikipedia.org/wiki/Comparison_of_video_container_formats I suppose the answer to 'why not' boils down to the whatever structure and data the container format is designed to be compatible with, but I don't know more than this. https://en.wikipedia.org/wiki/File:Informatik-Containerformate-Beispiele.svg