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

[Max Kovgan]

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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>>
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