Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
movie_night [2015/11/19 22:59] – [How to stream a DVD to the 9-panel display] ishivversmovie_night [2015/11/30 21:29] (current) – [How to stream a DVD to the 9-panel display] ishivvers
Line 113: Line 113:
 ===== How to stream a DVD to the 9-panel display ===== ===== How to stream a DVD to the 9-panel display =====
  
-When has the difficulty of a task ever dissuaded UCB grad students?  (Ok, actually a lot.  But ignore that for now.)  Let's watch a goddamn DVD on that 9-panel display!+**CAUTION:** the movie-streaming system described below is fragile, at best. \\ 
 + 
 + 
 +When has the difficulty of a task ever dissuaded UCB grad students?  (Ok, actually a lot.  But ignore that for now.)  Let's watch a goddamn DVD on that 9-panel display! \\
 **PLAN:** we will use a desktop computer to play the DVD and stream it over the network to the Mac 9-panel computer. **PLAN:** we will use a desktop computer to play the DVD and stream it over the network to the Mac 9-panel computer.
  
-==== Set up the stream server ====+**Set up the stream server**
  
-  - Locate a Linux computer in Campbell with a DVD drive (preferably plugged into Ethernet rather than on WiFi) and that is running an SSH server that you can log in to.+  - Locate a Linux computer in Campbell with a DVD drive (preferably plugged into Ethernet rather than on WiFi). It needs to be running an SSH server that you can log in to.
   - Confirm that you can play your DVD using [[http://www.videolan.org/vlc/index.html|VLC]]   - Confirm that you can play your DVD using [[http://www.videolan.org/vlc/index.html|VLC]]
     - Note that you may need to [[http://ubuntuhandbook.org/index.php/2014/04/enable-dvd-playback-ubuntu-14-04/     - Note that you may need to [[http://ubuntuhandbook.org/index.php/2014/04/enable-dvd-playback-ubuntu-14-04/
-|enable DBD playback on Linux machines]]+|enable DVD playback on Linux machines]]
     - Set up the [[http://www.howtogeek.com/117261/how-to-activate-vlcs-web-interface-control-vlc-from-a-browser-use-any-smartphone-as-a-remote/|web interface]] for VLC     - Set up the [[http://www.howtogeek.com/117261/how-to-activate-vlcs-web-interface-control-vlc-from-a-browser-use-any-smartphone-as-a-remote/|web interface]] for VLC
-      - Make sure you set a web password.  By default the user name field is blank.+      - You may want to set a web password.  By default the user name field is blank.
       - We'll set up port forwarding over SSH from the other computer, so don't worry about firewall issues or anything       - We'll set up port forwarding over SSH from the other computer, so don't worry about firewall issues or anything
   - Log in to the 9-panel computer   - Log in to the 9-panel computer
Line 133: Line 136:
       - port 8080: <code> ssh -L 8080:localhost:8080 your_name@your_server </code>       - port 8080: <code> ssh -L 8080:localhost:8080 your_name@your_server </code>
       - port 8081: <code> ssh -L 8081:localhost:8081 your_name@your_server </code>       - port 8081: <code> ssh -L 8081:localhost:8081 your_name@your_server </code>
-      - Sometimes these tunnels will be shut down if there's no activity.  You can run the following to prevent that: <code> watch -n 30 echo 'hello i am alive' </code>+      - Sometimes these tunnels will be shut down if there's no activity.  You can run the following command in those SSH tunnels to prevent that: <code> watch -n 30 echo 'hello i am alive' </code>
   - Run VLC on the server and stream the output to port 8081 (I usually just do this within one of the SSH instances above).   - Run VLC on the server and stream the output to port 8081 (I usually just do this within one of the SSH instances above).
     - command: <code> vlc -vvv dvdsimple:///dev/cdrom --disc-caching=30000 --sout '#transcode{vcodec=mp4v,acodec=mpga,vb=3000,ab=256,deinterlace}:standard{access=http,mux=ts,dst=:8081}' </code>     - command: <code> vlc -vvv dvdsimple:///dev/cdrom --disc-caching=30000 --sout '#transcode{vcodec=mp4v,acodec=mpga,vb=3000,ab=256,deinterlace}:standard{access=http,mux=ts,dst=:8081}' </code>