I’m pleased to announce the release of iShowU Studio 1.3.0 into beta. This build contains performance improvements and a few bug fixes. Notably, the appearance of the odd black frame when scrubbing across the timeline should now be gone.
As part of this change, overall performance of iShowU Studio improves as well. You can get the beta by enabling “also check for beta updates” in Preferences and then checking for a software update from within iShowU Studio itself.
note: AppStore users – we will submit a build to Apple when we’re sure there’s nothing crazy-wrong with the 1.3.x build.
At the time of release, Studio was extremely conservative with regard to what it would load into memory. This meant that as you scrubbed to a region that contained a new video, that video had to be loaded and initialised before anything could be shown. This is why the black frames existed. There was a very small amount of time (typically about a tenth of a second) where no video frames were available, while the media was being loaded.
From 1.3.0 onwards, Studio preloads project media up front. This results in a slight delay while loading the project, but from then on it’s much smoother / quicker / nicer to edit.
If you load up a project with many segments (particularly video segments), and scrub while holding down the alt key, temporarily disabling playhead snapping, you should notice there’s absolutely no delay in showing the video under the playhead. Everything is entirely fluid and smooth.