On Wed, Jun 26, 2019 at 1:23 PM Anatoly <anat...@kazanfieldhockey.ru> wrote:
> Hello, > I am faced with a need in opensourced software video switcher engine. I > need not any GUI at all, because I'm planning to attach hardware > console to control it. > I briefly read some docs and take a quick look at examples, they > almost about non-live time domain, non-live sources. Still I can't > fugure out if it is right tool for my task? Should I dig deeper or > better try something else? > > It can but some may consider it overkill for some basic switching. The source repo contains a python example switcher with super simple web UI and REST API: https://github.com/mltframework/mlt/blob/master/src/swig/python/switcher.py This works with two decklink SDI/HDMI inputs and outputs to another decklink. If you need to do realtime encoding + streaming, that might be possible on strong hardware and x264 tuning. If you need to decode two live stream sources, MLT is not the strongest when it comes to live streaming playback but it may be satisfactory; it depends on many things but especially the streaming format. This switcher example was made for a client's specific need, so it includes a video mixer that places one input into the 80% top right corner over the top of the other input. This is more advanced than most needs. You can change this to do a quick dissolve or remove it to simply cut over.
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