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4/10/2015, 7:29 am
I been considering trying to record "speedpaint" videos of me drawing, but I don't know how to record videos on my laptop screen. Does anyone know how to do that? Plus, how do I edit the video for it to speed up?  

Thank you  



Last edited by fallenhalo on 4/11/2015, 3:19 pm; edited 1 time in total
4/10/2015, 7:43 am
There are a few different programs out there.

Camstudio is a popular one we have listed on our Big thread Drawing / Enhancing Process Video.

Openbroadcast is one I personally use since I am more familiar with it to try to back up some of my drawing WIPs.

I have never made a speedpaint using Openbroadcast, but I know it is possible. I'll play around with it later after classes. In any case, you can generally edit a video using Windows Media/Movie Maker to adjust speed settings.

Camstudio has the option to make the speedpaint in-app. I went ahead and did a quick search and pulled a tutorial from their forum (as I am unfamiliar with this one, but it is recommended)

Quote :
It's not too hard to calculate the required framerate for recording, at a given playback rate:

Say, for instance, that you wan't to make a three hour session into a five minute video with a framerate of 25 fps.

- The amount of frames in the finished video will be 5 x 60 x 25 = 7500 frames. (5 minutes, 60 seconds to the minute, 25 frames to the second)
- Three hours is 60 x 60 x 3 = 10800 seconds.

So you want to record 10800 seconds of "real time" to 7500 frames of video. That will require you to record a frame every 10800/7500 = 1,44 seconds = 1440 milliseconds.

Now you have your recording settings for Camstudio (except keyframe rate, that is): Set "Capture frames every" to 1440, and the "Playback rate" to 25 fps. If you record for three hours, the video will become five minutes long.


Of course, I don't expect you to plan the exact length of the session beforehand, just make an estimate, and leave a little room for error. Also, this was just an example, by using the same method, you can find out what settings is needed for other playback rates/recording times. As for the keyframe rate, I really don't know what is recommended.

A couple of additional notes:

- If you want to use Movie Makers fast forwarding, the recording can be twice as long, as WMM doubles the speed of the video. However, while I've never done a speed painting or anything similar, I'd guess that you might as well record so the video becomes shorter than 10 minutes, and not speed up the video. It adds up to the same thing, I think.

- Codec: A lossless codec like the MSU SCLC or the Camstudio Codec should work fine for recording.

- Compressing the video with another program than WMM, like Virtualdub, could perhaps give better quality. But if you need to add text to the video at any point, WMM will do fine.

Vdub cannot add text, but it can resize (Video --> Filters --> Add --> resize), add music (Audio --> Wav Audio, the file needs to be a Wav file) and cut away sections (mark in and out points of the section you want to delete with the Home and End keys on your keyboard, hit delete to remove). A short description of how to compress video can be found here: http://camstudio.org/forum/comments.php?DiscussionID=77&page=1#Item_3

Whether or not it's worth it, using Virtualdub, I can't say, as I don't really know what quality you get with WMM.

From: Camstudio.org Forum help discussion
4/10/2015, 9:04 am
Another thing you can use is the Livestream producer, in the options you can make it so it records your streams.. I sometimes do it and not mind if I'm live or not..

https://livestream.com/producer/software
4/10/2015, 10:29 am
Theres Camtasia, You can do the trial and when it asks for a serial code. grab one off youtube. Ive been using camtasia for years. and its Beautiful.
4/11/2015, 12:58 pm
Thank you for replying! I tried using Camstudio yesterday, but I couldn't get it to work. But I tried Camstasia today and it's working fine c:

(Trying to upload a speed video right now but it's taking forever Dx)

4/11/2015, 1:09 pm
@fallenhalo wrote:
Thank you for replying! I tried using Camstudio yesterday, but I couldn't get it to work. But I tried Camstasia today and it's working fine c:

(Trying to upload a speed video right now but it's taking forever Dx)


But hey at Least it gets the job done lol
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