Thanks Stephan!
On Sun, Apr 7, 2013 at 10:34 PM, Stephan Eggermont <step...@stack.nl> wrote: > Hi, > > I'm very happy to see that the initiative to make video recordings > of the PharoConf and MooseDay has resulted in so many > screencasts already published. Great work! > > And now the first feedback: > - Format conversion: 62 of 72 GB done, processing the whole weekend. > - First 13 minute part currently encoding and uploading. > Still about an hour and a half to go. > - I would like to receive the presentation files to combine them > with video. > - Some of the material is difficult to use. Zoomed out too much > it is difficult to follow the speaker and the beamer screen is not > readable. Combining a screencast with the video only makes > sense when zoomed in (talking head size). > > Why does this take so long? > - the video is in a format that I cannot work with directly, so needs > transcoding. > I have been using VideoMonkey for this, which is based on ffmpeg. I have > the impression that this ffmpeg is not using the GPU, but only the i5. > I'm open for suggestions on better software for this in the future, as > it takes the > whole weekend. > - I switched from iMovie to Final Cut Pro X. That allows non-linear > editing, > so I don't have to wait for rendering to cut the movies. It remains > responsive > even during the format conversion. > - video is much larger than the equivalent length of screencast. That > creates > a upload bottleneck. 13 minutes of HD video is 733 MB. My home upload is > 1Mbps (2 hours), so for uploading more material I'll ask someone at our > local university. > - I'm spending a limited amount of time during the weekend (and none next > week). > > Stephan > > > >
