GSoC 2014 projects for Pitivi: transformation, chroma keying, image sequences

Thanks to GNOME, we will be able to get some reinforcements for Pitivi this summer.

We’re very pleased to have Lubosz Sarnecki making a comeback! In 2011 he implemented the cairo-based clip transformation (zoom/resize/crop) feature in the viewer. Lubosz is quite experienced with OpenGL, Blender and GStreamer, as you can see on his blog  and the variety of projects he contributes to.

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How do you visually represent a project’s timeline?

Here is a fun example to illustrate why software development in general is a complex endeavour:

  1. You think you’re going to fix a tiny problem: “hey, maybe we could make ‘s welcome dialog look a bit nicer“.
  2. Eventually, someone proposes a design or idea that looks interesting, and you realize that to truly realize it, you should also implement an audacious new feature: a way to visually represent an entire timeline as a thumbnail (that one is an open question, by the way; if you have some clever ideas, feel free to share them)
  3. …and to display new feature B properly, you should also consider—ideally—being a good citizen and implementing feature C upstream, in the toolkit you use instead of doing your own thing in your corner.

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Pitivi status update for Q1 2014, fundraiser launch

Since my previous technical update in January, I haven’t had time to touch Pitivi’s code. Thankfully though, Alexandru Băluț has been filling the gap with a ton of refactoring work: around 150 commits! That took a fair amount of time to review and merge, believe me. Besides code cleanup, he also finished the port of the viewer to a cluttersink, fixed fonts and theme colors detection for the timeline (so it looks fine even if you’re not using the Adwaita GNOME theme).

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A program’s obsolescence

In 2005, I had a crazy idea upon which I started the Specto project. Initially, I thought I’d call my revolutionary piece of software WhileYouWereOut (continuing the world’s tradition of ill-chosen project names), because it really was about solving a core “want” in my life: to leave my computer alone and catch up with events when I’d come back in front of it.

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Persistent tab states, render UX polish and other things

With some help from luisbg, I finally reworked and merged a 2-years-old patch of mine. It turned out to be less trivial than expected, because we had to change the settings backend to allow loading/reading configuration files at runtime for our dynamically-generated tab components. So, what the heck does this mean to you? Automatically saving and restoring the state of our dynamic detachable tabs/components. This is a nice improvement for those of you who want to spread the PiTiVi UI across multiple displays:

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