Blackmagic desktop video lossless1/27/2024 On the left side are buttons for “Battery” and “Power Adapter”. If you’re using a portable Mac such as a MacBook, MacBook Air, or MacBook Pro, open System Preferences → Battery. Obviously we don’t want the computer to go to sleep during the show, nor do we want the screen to be turned off. Open a Terminal window, type or paste in this command, and then press enter: To restore Spotlight’s default behavior, remove all disks or drives from the Privacy tab list. ![]() You can do that by dragging and dropping the disk or drive’s icon from the Desktop into the list, or by using the + button at the bottom. Open System Preferences → Spotlight, click on the Privacy tab, and add every disk or drive that’s connected to your Mac to the list. This periodic updating can be fairly intensive, and can temporarily prevent QLab from getting access to data, which can cause late cues or stuttering playback. What makes the tool work so well, and so quickly, is a clever program which periodically updates an index of all the files on every disk or drive connected to your Mac. Spotlight is Apple’s name for the macOS search tool. Many of these programs are essential, but many are not and disabling them will increase the total percentage of your computer’s resources which are available to QLab. There are a number of programs, processes, and tasks that your Mac runs either periodically or all the time in the background. Next, make sure that there are not multiple copies of QLab on your Mac, or if there are (for example if you deliberately want to use QLab 5 sometimes and QLab 4 sometimes,) ensure that only one of them is named “QLab” and the other is named something else like “QLab 4” or “Old QLab” or “QLab Just For The Holiday Show.” System Software Most of the time, Macs are very permissive about where things can be stored, but you can occasionally encounter problems which you would not otherwise encounter when running a program that is not kept inside the Applications folder. The Basicsįirst, make sure that your copy of QLab resides in the Applications folder on your Mac. None of the commands below transmit anything to or receive anything from outside your Mac. This is not nefarious this is macOS making sure that you are indeed proactively choosing to do this thing, and also that you are a person and not a sneaky script or bot trying to pull a fast one. The Terminal commands below all use sudo, which means that the first time you use them in a new Terminal window, you’ll be asked to enter your password. It is really very useful to run QLab using an administrator account and we recommend it if at all possible. If someone else set up your Mac, ask them about it. If you only have one account on your Mac, it’s almost certainly an administrator account. Sudo can only be used by an administrator account. ![]() There have also been reports of sudo being successfully used to obtain a sandwich. In normal human terms, this means that using sudo allows you to run a command that you ordinarily could not, usually because that command could have serious consequences, and it would be a security risk to not require some kind of extra confirmation. Sudo is a Unix command which is short for “superuser do.” It allows you to run a command in the Terminal with “superuser” privilege. Because it is a tutorial workspace, it does not require a QLab license to work despite using Script cues. The other Script cue reverses these steps. The first one executes all the prep steps below, not including the video-specific ones or the ones which have to be done using the mouse. The directions here are accurate for Macs using macOS Big Sur (11), macOS Monterey (12), and macOS Ventura (13).Ĭlick here to download our “Prep and Restore” tutorial workspace (current version: April 2023). This section presupposes a basic understanding of macOS and at least a passing familiarity with the Terminal, which can be found in Applications → Utilities. What follows here is a list of the programs or processes which we recommend disabling and instructions for doing so, as well as some other recommended practices.
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