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claesbas's Avatar
Posts: 290 | Thanked: 472 times | Joined on Dec 2007 @ Gothenburg, Sweden
#1
Im not quite sure what forum to post this in.. please move to appropriate..

I am planning to do some video tutorials and app reviews on the N900 (and N8x0).. Is there a way to record the screen without just filming the device?

Would it work to install a VNC-server on the n900 and then vnc to it?

Please post suggestions..
 
pH5's Avatar
Posts: 138 | Thanked: 375 times | Joined on Aug 2009 @ Berlin
#2
Using the following GStreamer pipe (taken from Istanbul) works in the SDK, with Xephyr running as display :2.0:
Code:
gst-launch-0.10 ximagesrc name=videosource display-name=:2.0 screen-num=0 startx=0 starty=0 endx=799 endy=479 use-damage=false show-pointer=false ! video/x-raw-rgb,framerate=24/1 ! videorate ! ffmpegcolorspace ! videoscale method=1 ! video/x-raw-yuv,width=800,height=480,framerate=24/1 ! theoraenc ! oggmux name=mux ! filesink location=test.ogg
I guess on the device you'd want to use the DSP h264 encoder and mpeg4 muxer instead.
 

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claesbas's Avatar
Posts: 290 | Thanked: 472 times | Joined on Dec 2007 @ Gothenburg, Sweden
#3
Originally Posted by pH5 View Post
Using the following GStreamer pipe (taken from Istanbul) works in the SDK, with Xephyr running as display :2.0:
Code:
gst-launch-0.10 ximagesrc name=videosource display-name=:2.0 screen-num=0 startx=0 starty=0 endx=799 endy=479 use-damage=false show-pointer=false ! video/x-raw-rgb,framerate=24/1 ! videorate ! ffmpegcolorspace ! videoscale method=1 ! video/x-raw-yuv,width=800,height=480,framerate=24/1 ! theoraenc ! oggmux name=mux ! filesink location=test.ogg
I guess on the device you'd want to use the DSP h264 encoder and mpeg4 muxer instead.
You mean that would work on the device also ?
 
krisse's Avatar
Posts: 1,540 | Thanked: 1,045 times | Joined on Feb 2007
#4
Originally Posted by claesbas View Post
Im not quite sure what forum to post this in.. please move to appropriate..

I am planning to do some video tutorials and app reviews on the N900 (and N8x0).. Is there a way to record the screen without just filming the device?
The snag you may run into on certain apps is that there are sometimes no on-screen cues to indicate where you've selected something.

So for example if you need to tap an icon but the icon doesn't change when you tap it, a direct video won't show how the action was taken.
 
claesbas's Avatar
Posts: 290 | Thanked: 472 times | Joined on Dec 2007 @ Gothenburg, Sweden
#5
Originally Posted by krisse View Post
The snag you may run into on certain apps is that there are sometimes no on-screen cues to indicate where you've selected something.

So for example if you need to tap an icon but the icon doesn't change when you tap it, a direct video won't show how the action was taken.
Mm, I can see that problem. I can add something for that I suppose (abit of work) in post production as long as I remember where I pressed..

Looking forward in testing this..
 

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Posts: 3,105 | Thanked: 11,088 times | Joined on Jul 2007 @ Mountain View (CA, USA)
#6
Check http://maemo.org/downloads/product/Maemo5/load-applet/

It has currently a bug preventing proper video recording but hopefully it's fixed but the time the N900 is in the shops.
 

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#7
could you use vnc and a PC based screen recorder?
 
Posts: 148 | Thanked: 92 times | Joined on Oct 2009
#8
Actually, it would be neat to have an app that records the screen and also shows keypresses in the corner of the video and taps on the screen. I wish I had the time to make this, but it's a thought for a motivated party.
 
claesbas's Avatar
Posts: 290 | Thanked: 472 times | Joined on Dec 2007 @ Gothenburg, Sweden
#9
Originally Posted by quipper8 View Post
could you use vnc and a PC based screen recorder?
That was my first idea there too. I do not know if vnc server works on the N900 yet.
 
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