Tom trolley: Difference between revisions

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=== Streaming and capture ===

Streaming and Capture is performed on the attached OB PC. It should power on auto-magically when the whole trolly gets power. Make sure the network cable (if needed) is connected before you turn it on otherwise you'll run into problems if you plan to do streaming.

When the PC is fully booted you should be presented with a desktop that looks somewhat like this:

[[Image:OB-1 Desktop.png|thumb|center|500px|OB PC Desktop ]]

... If you don't, then something has gone wrong and you should find a techie :|

==== Capture ====

[[Image:OB-1 Record Step1.png|thumb|right|OB PC Capture Step 1 ]]

[[Image:OB-1 Record Step2.png|thumb|right|OB PC Capture Step 2 ]]

[[Image:OB-1 Record Step3.png|thumb|right|OB PC Capture Step 3 ]]

Capture is started by double clicking the big red record button. This will bring up a terminal window with some instructions for you to follow.

''Step 1:'' Enter in the filename you want the video to be saved as and press enter. This should include the extension of '''.mpg'''. The file will be saved in the /data/ directory on the machine.

''Step 2:'' You'll be prompted again to 'press enter' when you're ready to start recording. It would be a good idea to do this just before you need to start recording so you don't miss the beginning of whatever you are filming.

''Step 3:'' Leave it running for the duration of the event, and then press enter to stop recording. Finally, you'll be prompted to press enter again to exit the terminal window.

==== Streaming ====

[[Image:OB-1 Streaming.png|thumb|right|OB PC Streaming ]]

Streaming is a little more involved than capture since it invovles some networking know-how. If you plan to stream it live using our stream servers you also need to talk nicely to the computing team so they can change the streamer configs. In special cases the computing team may be willing to teach someone else how to do it and give them the required priviledges.

Assuming you're still reading and able to stream, here are the rest of the instructions.

''Step 1:'' Find out, and make a note of, the IP address of the OB PC. It is currently set to Roam on CompServs network, so as long as it is connected to a 'normal' compserv network port it should be an IP address in the 144.32.*.* range. If it doesn't, then you definately need a member of the computing team.

''Step 2:'' Double click the big blue 'Stream' button on the desktop. If all goes well you should see something that looks like the image to the right. Notice the output from ffmpeg at the bottom of the window. This should be continuously changing and the fps value should be about 25 (one above or below is ok, but signifcantly less is bad).

''Step 3a:'' If you're streaming to somewhere other than our live stream, then simply point your player (or whatever other receiver of stream) to <nowiki>http://<IP_of_OBPC>:8080/stream.flv</nowiki>. Note that this will '''only''' work on campus.

''Step 3b:'' If you're streaming to YSTV stream servers (and have the required privs) you need to modify /usr/local/bin/runobhighqstream.sh on ystvstrm0 and change the IP address to be the IP of the OB PC. Save and exit. Then, you need to stop the normal webstream (by issuing /etc/init.d/webstream stop) and then start the ob webstream (by issuing /etc/init.d/obwebstream start). Do this as soon as you want to 'Cut to Net'. Make sure you don't try to have both streams at the same time otherwise bad stuff will happen, and make sure you stop the obwebstream and start the normal webstream when you're finnished.

== Tips and tricks ==

Tom trolley: Difference between revisions

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