Video processing(record\play) real time from camera with metadata

Mikl michael.yarochkin at timetronics.be
Fri Sep 16 13:49:51 UTC 2016


Hello, Tim


Finally i understand how everything is working!

Now i know basic idea of how and why make pipeline like this.

Next step is make it work.

Can you help me please?


For the moment i am doing only video and from test source.

Here is my pipeline

videotestsrc ! video/x-raw,format=RGB,width=800,height=400,framerate=24/1 ! matroskamux ! filesink location=c:\gstreamer\test.mkv

I have file. It have size (big one). I can see structure using MKVToolNix.

videotestsrc  will be replaced by appsrc.  And i will not need capsfilter anymore.


But:

-i can not play it

-see no information


Even when i did simple pipeline

videotestsrc ! avimux ! filesink location=c:\gstreamer\test.avi

i was not able to see information about video, navigate in video.

And it was opened not in all players.


Also sending my source code. Maybe it will help you. And you will sea what i am busy and not only asking for help. :)


Can you helm me please what i am doing wrong?


Best regards, Michael

________________________________
From: Tim Müller [via GStreamer-devel] <ml-node+s966125n4679423h62 at n4.nabble.com>
Sent: Monday, September 5, 2016 2:35:36 PM
To: Michael Yarochkin
Subject: Re: Video processing(record\play) real time from camera with metadata

On Mon, 2016-09-05 at 01:08 -0700, Mikl wrote:

Hi,


My question now is HOW to do this. :)

Well, you'll need to learn a bit of GStreamer, and again it depends on what you want to do exactly. You are a bit light on the details. Maybe start reading the GStreamer application development manual. How to capture from your IP camera, depends on the camera. If it offers rtsp you can use the 'rtspsrc' element, otherwise you might need other elements. Start capturing data, then depayload and remux to a matroska/mpeg-ts/whatever file. Then you can add a subtitle track with the 'appsrc' element, by pushing data into the pipeline from your app.



Do you have also something to say about other information, i provided to you?

Not really. I don't know what to say about that. Were there any questions? Nothing seemed problematic.

Cheers
 -Tim


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