Dash stream as input

[Administración Faster SRL]

Hi is it possible in some way to use a .mpd (DASH) as input? just like .m3u8

[Balder Vietor]

Hey there!

Currently we're not able to use a DASH stream as an input to my knowledge. I don't think we've considered it, mostly because the DASH spec is quite broad and we'd need to know which "flavours" to implement. Though since we can ingest CMAF HLS the fMP4 version of DASH should be relatively easy to implement as it's pretty much the same thing.

You can however cheat a bit, if you're okay with using ffmpeg in between you could run a "ts-exec" or "mkv-exec" to ingest the DASH url and use it or if it's a VoD DASH stream then I would recommend converting it to another format and then using that. 

TS/MKV-exec

https://docs.mistserver.org/mistserver/concepts/streams/exec_inputs

Both "ts-exec:" and "mkv-exec:" can be used to start a process & expect either MPEG-TS or Matroska video back from the process that has been started. This makes using it with ffmpeg or gstreamer quite easy. Though it will come at the cost of processing since you'd be running an encoder in front of it.

Examples:

ts-exec:ffmpeg -re -i DASHURL -map 0 -c copy -f mpegts -

mkv-exec:ffmpeg -re -i DASHURL -map 0 -c copy -f matroska -

Using either of the above would grab the dash url using ffmpeg in real time, map all the tracks and then pass it into MistServer using mpegts or matroska. If the stream is already a live stream you can remove the "-re" from the source command to let the input run as fast as it can.

Hope that helps.

With kind regards,

Balder

[FASTER SRL - Administración]

Thank you. i will try it

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