Synchronize audio and video stream from hardware

[BogdanS]

I have two different cards (audio and video) with two different process. I want to do something like watchdog. I mean if one process are crashing  and don't output data, second will not process data.

Something like resender that will put to wait process until second starts to send frames.

Can I do it with gstreamer?

[Mikl]

Hello, Bogdan

You can do something like this using GStreamer, but i am not sure, what it is right tool to do this.

You can put both of your streams in decoder. Until decoder will not get both buffers, it will not produce coded frame.
This way you can block output.

But, personally, i will look for another solution.

[BogdanS]

Thank you . Did you mean encoder? Pipeline like this?

video hardware----h264-----queue max buffers=10---|                                   |----udpsink

                                                                             -- avimux---avidemux--

audiohardware----g711-----queue max buffers=10---|                                    |----udpsink

[Mikl]

Hello, Bogdan

Yes. I mean something like this.

But, if i understand correctly,  you want to use gstreamer as a "dispatcher".

The choice of elements is not really important. Just take one with two inputs.

Mikl

---

From: gstreamer-devel <[hidden email]> on behalf of BogdanS <[hidden email]>
Sent: Thursday, October 27, 2016 3:40:19 PM
To: [hidden email]
Subject: Re: Synchronize audio and video stream from hardware

 

Thank you . Did you mean encoder? Pipeline like this?

video hardware----h264-----queue max buffers=10---|                                 
|----udpsink

                                                                           
-- avimux---avidemux--

audiohardware----g711-----queue max buffers=10---|                                  
|----udpsink



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