![]() Open Stage Control is running on Windows 10 - up to date. This is the summary output from Wireshark:-įrame 327: 72 bytes on wire (576 bits), 72 bytes captured (576 bits) on interface \Device\NPF_ To: 192.168.248.128:53000 I know I am seeing two messages transmitted because I monitor the network interface using Wireshark on the computer running Open Stage Control. It presents me a problem because Qlab receives two messages, and if that message is for example a ‘GO’, then Qlab gets two GO commands which I don’t want. I expected that I would get only a TCP message, having specified that 192.168.248.128:53000 is a TCP target. I am wondering if I am missing something, because when I push the button I get two OSC messages transmitted: one using TCP and one using UDP, both being sent to the target 192.168.248.128:53000 Note that I am not setting default targets, but I am specifying a target in the push button. 21Understanding OSC and Network Cues One of QLabs greatest strengths is its support for the Open Sound Control (OSC) protocol, a standard for computers and. Open Sound Control, or OSC, is a networking protocol used to allow devices of various types to control other devices of other types. These are the options I am using when starting Open Stage Control:- OSC is a client and server system that defines a message address pattern used to address elements in the receiving server. The show is simply two “Go” commands, or another way of thinking about it is that the entire show can be run by a single user by hitting the spacebar twice! <- That’s the power of Qlab.Īfter three sold-out shows, I’d say it was worth it.I need to connect with Qlab using TCP rather than UDP. You can use programs like Max/MSP, Medialon Manager, and TouchOSC, or hardware like ETC’s EOS family to send messages that exist in QLab 4’s OSC dictionary. Simple right!, but by default, Qlab doesn’t see its own internal timecode, and unlike Veźer with OSCquery, Qlab needs you to add an extra little #v# at the end of the OSC address otherwise it will send the wrong values to the madmapper sliders.Īdditionally, most theatrical spaces love Qlab these days, so making a show file that they would understand is a lot easier than explain the intricacies of LED pixel mapping and custom OpenFrameworks camera apps (by Char Stiles). All software or devices which support OSC have their own dictionary of commands. What I needed was on the second (at timecode) OSC fades. At first, I explored Veźer, and while I feel pretty confident that Veźer would have worked, a bit of its UI felt clunky for what I needed. For instance, the command /go sent to QLab from another device will result in. echo '/cue/1/colorName blue' >/dev/udp/localhost/53535. Thus, you can send OSC to QLab without sending OSC to QLab. ![]() A good, but rather dry, introduction to setting up devices on a network can be found here. These strings are interpreted as OSC commands, precisely as QLab interprets the 'raw' commands you can enter into an OSC Cue. ![]() The sending device must be on the same network, and both the Mac running QLab and the other device must be configured correctly to share network traffic. The beginning would trigger a preshow look that would loop for as long as it took to seat the entire audience, and then would fade into the main show with more complicated changes and timings. One of the benefits of OSC is that the language is so easy to interpret. QLab is a popular show control software popular among theater technologists. QLab accepts incoming OSC messages via TCP and UDP over a local network. I was building out slowdanger’s – empathy Machine show and needed a way to automate various visual changes over the 1hr performance. I’ll add more to this page if I make them. I put two quick tutorials together for anyone interested. ![]()
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