[Libav-user] hot-swapping filtergraph?
randrianasulu at gmail.com
Mon Jun 20 14:33:34 EEST 2022
пн, 20 июн. 2022 г., 09:00 Cameron Jacobson <cameron7 at gmail.com>:
> First, I just wanted to thank you for this library. I've used it for its
> built-in command-line tools in the past, but this time I'm exploring
> deeper. The motivation for this side-project is strictly out of curiosity
> and in trying to build a new level of competence in this area.
> 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.
One example of video editor using libav* filters (not in most advanced way,
but simple 1:1 filters works)
See cinelerra/ffmpeg.C (actually c++)
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.
> Are there any good examples of how to do this published online? Maybe
> published to GitHub, or some other source control service? Or if not
> perhaps there are areas within the libraries where I should focus my
> attention to learn best practices for how to accomplish this? Your help is
> much appreciated.
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