Cameron Jacobson (12022-06-20): > So, the idea is I'd like to create a project that could hot-swap filters > (or an entire filtergraph). I have a few ideas for the actual > implementation. One obviously could be a media editor. The other idea is > with real-time streams. My C isn't the strongest, so I may have missed > something obvious that would tell me it's either possible and easy or maybe > impossible. So far my digging through the source code hasn't convinced me > it's not possible.
Hot-swapping an entire filter graph is easy: libavfilter does not know what you do with your graphs. Just close and finish the first one and start using the new one instead. Hot-swapping a filter inside a filter graph is not supported. You can hot-swap the whole graph keeping all the other filters unchanged. Or you can put the filter that needs changing alone in its own filter graph and feed manually from/to other filter graphs. This last solution is tricky if you have more than one input and output. Regards, -- Nicolas George
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