Video Format displays the type of codec, pixel dimensions, and frame rate of the video in the target file.Ĭlock. These controls are also visible in the Basics tab you can use either one or both interchangeably. You can double-click on the field to select a file target, or you can drag and drop a file in from the Finder.Ĭlicking the button removes the target file from the cue (though it does not delete the file itself, of course.)Ĭlicking the button reveals the target file in the Finder. If a target video file is assigned, this field shows the path to that file. The I/O tab lets you assign a target video file and video output, and view details about them as well.įile Target. When a Video cue is selected, the inspector shows the Basics tab and Triggers tab, used by all cues, as well as the following tabs: The I/O Tab QLab 5 does not support PSD or PDF formats. Most still image formats work with QLab 5, but we recommend PNG and JPG files. Other container formats may work, but are not recommended because they are more likely to contain incompatible codecs or other data. ![]() The following containers are recommended for use with QLab 5 for moving images: The following codecs generally work well, but perform especially poorly when sped up, slowed down, or when scrubbing forward or back:Īll other compatible formats are not recommended, even though they may work, or appear to work, with QLab 5. Of those three, only ProRes 4444 XQ can provide transparency. The following codecs provide higher picture quality at the cost of greater processing power: While all those codecs technically work with the underlying video frameworks that power QLab 5, the following codecs give the best performance in QLab for moving images without transparency (listed in preferential order):įor moving images with transparency, you must use one of the following codecs (listed in preferential order): The following codecs are compatible with QLab 5 for moving images: The container is like an envelope which contains the video, its audio tracks, and metadata about the media. The second attribute is the container format used by the file. Codec is short for either “compressor/decompressor” or “code/decode” and it describes the way that video data is encoded in the file. The first attribute is the codec used by the file. Unlike audio files, video files have two attributes that determine whether they are compatible with QLab. Video cues must have a file target, which is a video or image file on your computer, and must be assigned to a stage, which connects QLab to a video output destination such as a projector, screen, LED wall, or a virtual output device such as Syphon or NDI. Amount of frames to decoder before starting playback, less frames for less latency in seeking, more frames for less chance of buffer emptying too quickly.Video cues allow you to play video and still images files with precise control over timing, opacity, scale, position on screen, and 3D rotation, and with a full suite of effects and blending tools. ![]() Less threads for less latency in playback operations (seeking, playing etc), more threads for better performance. Maximum number of threads to use for parallel frame decoding.If your files are high bit-rate (above 4Gbps) then use this option otherwise the file will not load. On Windows some options are exposed for Hap and NotchLC decoding:Įnables our custom MOV parser to be used, which is useful for Hap and NotchLC codecs, as a Microsoft parser is not able to open very high bit-rate MOV files. We have created a fix for this which is activated by enabled "Use Custom MOV Parser" in Platform Specific >Windows options. There is currently a bug in Windows that prevents MOV files with a bitrate of more than 4Gbps from playing.
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