Difference between revisions of "Feeding Video to Portsdown from vMix"

From BATC Wiki
Jump to navigation Jump to search
Line 1: Line 1:
 
You can stream video from vMix from a Windows PC and then transmit it using the Portsdown transmitter.  This works with the either the Portsdown filter-modulator board or DATV Express.
 
You can stream video from vMix from a Windows PC and then transmit it using the Portsdown transmitter.  This works with the either the Portsdown filter-modulator board or DATV Express.
  
Use with the Portsdown Filter-Modulator Board (IQ Output)
+
===Use with the Portsdown Filter-Modulator Board (IQ Output)===
  
 
Here is the system block diagram
 
Here is the system block diagram
Line 9: Line 9:
 
First install vMix on your PC and make sure that it works with your selected video source.  vMix can be downloaded from here: http://www.vmix.com/ The free version handles SD video and is adequate for our needs.
 
First install vMix on your PC and make sure that it works with your selected video source.  vMix can be downloaded from here: http://www.vmix.com/ The free version handles SD video and is adequate for our needs.
  
The next step is to install ffmpeg on your PC
+
The next step is to install ffmpeg on your PC.  Download it from here: https://ffmpeg.zeranoe.com/builds/  Use the release build, 32-bit, static.  Unzip the downloaded file and move the files to a folder called ffmpeg on your C:\ drive so that it has the folders bin, , and inside it.
 +
 
 +
The last installation step on the PC is to create the windows batch file which will control ffmpeg.  You can download a working example from here:  You will need to make some amendments to this file later, but it will work "out of the box".  Save the file to a logical place of your choice.
  
 
Make sure that your PC with vMix and your Portsdown transmitter are on the same wired network.  Wireless networks might work but have not been tested.
 
Make sure that your PC with vMix and your Portsdown transmitter are on the same wired network.  Wireless networks might work but have not been tested.
  
Use with the Portsdown Software on a Raspberry Pi and DATV Express
+
===Use with the Portsdown Software on a Raspberry Pi and DATV Express===
  
 
Here is the system block diagram
 
Here is the system block diagram
Line 20: Line 22:
  
 
work in progress.......
 
work in progress.......
 +
 +
Most of the information on this page was originally provided by Chris MW0LLK.  For more detailed information see his blog at http://www.tannet.org.uk/

Revision as of 18:33, 31 March 2017

You can stream video from vMix from a Windows PC and then transmit it using the Portsdown transmitter. This works with the either the Portsdown filter-modulator board or DATV Express.

Use with the Portsdown Filter-Modulator Board (IQ Output)

Here is the system block diagram

VMix Block.jpg

First install vMix on your PC and make sure that it works with your selected video source. vMix can be downloaded from here: http://www.vmix.com/ The free version handles SD video and is adequate for our needs.

The next step is to install ffmpeg on your PC. Download it from here: https://ffmpeg.zeranoe.com/builds/ Use the release build, 32-bit, static. Unzip the downloaded file and move the files to a folder called ffmpeg on your C:\ drive so that it has the folders bin, , and inside it.

The last installation step on the PC is to create the windows batch file which will control ffmpeg. You can download a working example from here: You will need to make some amendments to this file later, but it will work "out of the box". Save the file to a logical place of your choice.

Make sure that your PC with vMix and your Portsdown transmitter are on the same wired network. Wireless networks might work but have not been tested.

Use with the Portsdown Software on a Raspberry Pi and DATV Express

Here is the system block diagram

VMix Block Exp.jpg

work in progress.......

Most of the information on this page was originally provided by Chris MW0LLK. For more detailed information see his blog at http://www.tannet.org.uk/