[ovirt-devel] Screen casting and video editing on fc21 with Blender

[Max Kovgan]

Oved. All I needed to do was screen casting. it usually was a terminal.
I have used a bit pitivi (it somewhat feels like Apple's iMovie, but is
unstable).
I've looked at the videos and Eli,

AMAZING!

I was not aware of this feature of blender!
:)

Cool!




On Thu, Jul 23, 2015 at 8:50 AM, Oved Ourfali <oourfali at redhat.com> wrote:

> Including editing?
>  On Jul 23, 2015 7:39 AM, Max Kovgan <mkovgan at redhat.com> wrote:
>
> Hi, Eli. I have yet seen any thing related to video playback or recording
> VLC cannot do.
> This includes desktop screen casting.
>  On Jul 22, 2015 11:39 PM, "Christopher Pereira" <kripper at imatronix.cl>
> wrote:
>
> Hi,
>
> For Windows, if licenses are not a problem, you also have Camtasia [1],
> which uses an optimized codec that only stores images and GUI events in the
> same way RemoteDesktop does.
> As a result, recordings is lossless and take much less space. For example,
> AFAIU, if you scroll a static image on the screen, it's stored only once
> and only its position changes are recorded frame by frame. There are also
> other benefits like the fact that the mouse pointer position can be edited
> separately after recording.
> You may probably get similar results if you record everything lossless
> (which takes a lot of space and resources while recording). For best
> quality, the key is to avoid re-compression (you should only encode the
> final video).
>
> Camtasia also includes a complete editor.
>
> Besides, Camtasia's AVI files can be edited with Sony Vegas or Premiere
> and finally be rendered with standard codecs which can be shared or
> uploaded to youtube, vimeo, etc. (otherwise, you would need to provide the
> "Camtasia" codec for playback).
>
> I wonder if there are stable OS alternatives using a similar approach.
>
> Best regards,
> Christopher.
>
> [1] https://www.techsmith.com/camtasia.html
>
> On 22-07-2015 16:49, Eli Mesika wrote:
>
> Hi guys
>
> As you already know, some of us need to do some video/screen cast for
> their 3.6 new features
> I spent my day today in recording and editing a video for one of my new
> 3.6 features and I want to share my experience to save you time (and hair..)
>
> Well, I started with recordmydesktop (yum) to capture the video files ,
> this worked smooth and enables you also to have a cup of coffee until the
> file is written to the disk.
> Then, after having few videos, I wanted to edit them and make a whole
> smooth video, cutting some stuff out ...
> I had started with installing pitivi (yum), from its feature list it seems
> promising but after dozens of crashes on almost every mouse move, I really
> gave up...
>
> Oved, sent me this post [1]:
> So, I installed Blender and tried to work with it but it seems to refuse
> adding my video files to the project time-line ...
> Digging around [2], I found that the Blender package on fc21 does not work
> well and in order to get it working you have to download Blender latest
> version (2.75a) manually from [3],
> extract it to a directory and run blender ....
>
> Blender has many usages, but you can adjust it to do video editing, just
> follow [4] [5] and [6] tutorials (less than 15 min for all)
> (all are important, especially the first one that includes proper
> configuration)
>
> One major issue is to configure well the frames per second rate (fps) (can
> be shown on the file properties) of your videos if you don't want to get a
> gap between your video and the sound track
>
> I was able after that to edit my videos and export (render) video as MP4
> and audio as MP3 (embedded in the video file) (other formats may have codec
> issues...)
>
> Overall, I worked with Blender few hours, splitting videos, removing video
> strips , grabbing and dragging without a single error or crash
>
> Although that Blender learning curve seems to be longer than other
> applications, I recommend to use this application for video editing and
> screen casting
>
> If you have any question or need any assistance/advice , I will be happy
> to help.
>
>
> [1] http://opensource.com/life/15/1/current-state-linux-video-editing
> [2] http://www.spinics.net/linux/fedora/fedora-users/msg459024.html
> [3] https://www.blender.org/
> [4] https://www.youtube.com/watch?v=xSGIPmQdV6M&html5=1
> [5] https://www.youtube.com/watch?v=20VqQLpvctY
> [6] https://www.youtube.com/watch?v=zxFGm_LQeZQ
>
>
> Thanks
> Eli Mesika
>
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-- 
Max Kovgan

Senior Software Engineer
Red Hat - EMEA ENG Virtualization R&D
Tel.: +972 9769 2060
Email: mkovgan [at] redhat [dot] com
Web: http://www.redhat.com
RHT Global #: 82-72060
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