I hope Shaka packager live streaming guide in detail.

[goldti...@gmail.com]

I encountered non-solvable problems in use of shaka packager live streaming alone.

I made a live streaming by using follow command.

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tsplay -loop underwater_clear.ts 225.100.10.1:1000

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And I tested on the other for live streaming and it is streaming well surely.

Now I want to use this live streaming in shaka packager.

I used following commands to make shaka packager live streaming mpd file.

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sudo docker run -v /var/www/html/media/:/media -it --rm google/shaka-packager

packager 'input=udp://225.100.10.1:1000?reuse=1&interface=127.0.0.1,stream=audio,init_segment=/media/output_Ainit.mp4,segment_template=/media/output_A_$Number$.m4s' 'input=udp://225.100.10.1:1000?reuse=1&interface=127.0.0.1,stream=video,init_segment=/media/output_Vinit.mp4,segment_template=/media/output_V_$Number$.m4s' --profile live --mpd_output /media/live.mpd

--------------------------------------------------------------------

And I have got following errors.

If I remove the interface parameter at input 

And if I add interface parameter (here I tried to add all the ip addresses I can see when I type ifconfig command on terminal.)

It shows this description and stop here forever.

Can you please let me know how can I solve this problem?
If I can solve this, it would be great.

Thanks.

[KongQun Yang]

Hi,

Docker does not forward multicast from host to container by default. You'll need to enable it explicitly when starting the container. Here is an option to do it:

> docker run -v /var/www/html/media/:/media -it --net=host --rm google/shaka-packager

Also, for the multicast IP address, we recommend using an address in the range 239.0.0.0 to 239.255.255.255, and use an unused port in the range 1024-49151. Using other ip address or port may clash with an existing service.

tsplay allows you to specify the interface address via " -mcastif <ipaddr> " or "  -i <ipaddr> ". It is 0.0.0.0 if not specified.

Please try the recommendations above and let us know if it works for you.

-- KongQun Yang (KQ)

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[goldti...@gmail.com]

Thank you very much.

I solved this problem.

And now I faced tiny problem.

I got this message.

---------------------------------------------

[1202/173650:ERROR:mpd_builder.cc(1264)] Segments should not be out of order segment. Adding segment with start_time == 42042 but the previous segment starts at 23408385.

---------------------------------------------

how can I solve this problem?

I tried to add the start_time==42042 to anywhere but it was not working.

Thanks for your regarding.

[goldti...@gmail.com]

how can I solve this?

[KongQun Yang]

Hi,

This is because the incoming stream is not a real live source. It is created from looping a local file, which rewinds and timestamp wraps around repeatedly. I am not familiar with tsplay. Is there a way to make timestamp continous in tsplay instead of rewinding and wrapping around?

Also, what is your goal here? If the purpose is to make a video loop in DASH, it is actually simpler to just package a DASH VOD content and loop it in player.

-- KongQun Yang (KQ)

On Mon, Dec 4, 2017 at 5:38 AM, <goldti...@gmail.com> wrote:

how can I solve this?

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