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Kieron is offline Kieron
2010-11-10 , 18:19
Posts: 388 | Thanked: 115 times | Joined on Oct 2009 @ London, UK
#41
I'm having the same problem, but its dark with a hint of green. Can't see myself at all. Looks like I'm a special ops secret agent in night mode.
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mr id is offline mr id
2010-11-10 , 18:42
Posts: 237 | Thanked: 193 times | Joined on Feb 2010 @ Brighton, UK
#42
Originally Posted by jprobichaud View Post
Hum, when I try this, I get


Which gst plugin do I need to get this videobalance pipeline available?
should be in plugins good.
gstreamer0.10-plugins-good
 
jprobichaud is offline jprobichaud
2010-11-11 , 20:47
Posts: 63 | Thanked: 26 times | Joined on Jul 2010 @ Canada
#43
Originally Posted by mr id View Post
should be in plugins good.
gstreamer0.10-plugins-good

Thanks, but it's already installed, "dpkg -l | grep gstreamer | grep good" gives:

Code:
ii  gstreamer0.10-plugins-good    0.10.16-git276-0maemo19+0m5  GStreamer plugins from the "good" set
Actually, "dpkg -l | grep gstreamer" returns:

Code:
ii  gstreamer-tools                        0.10.25-0maemo4+0m5
ii  gstreamer0.10-dsp                      0.7.0-0maemo2.4+0m5
ii  gstreamer0.10-ffmpeg                   0.10.9-2maemo2
ii  gstreamer0.10-flac                     0.10.15-0maemo3+0m5.tk1
ii  gstreamer0.10-flv                      0.10.23-0maemo2
ii  gstreamer0.10-gnomevfs                 0.10.25-0maemo14+0m5
ii  gstreamer0.10-hantro                   0.20050831.9-52+0m5
ii  gstreamer0.10-ipp-nokia                0.7-maemo1+0m5
ii  gstreamer0.10-mkv                      0.10.16-0maemo5
ii  gstreamer0.10-mpegaudioparse-maemo     0.11+0m5
ii  gstreamer0.10-musepack                 0.10.19-maemo2
ii  gstreamer0.10-nokia-speech             1.0-0maemo11+0m5
ii  gstreamer0.10-ogg                      0.10.23-0maemo4+0m5-tk1
ii  gstreamer0.10-openmax                  0.10.0.6~1-0maemo17.1+0m5
ii  gstreamer0.10-plugins-bad              0.10.14-git265-0maemo10+0m5
ii  gstreamer0.10-plugins-bad-extra        0.10.14-git265-0maemo10+0m5
ii  gstreamer0.10-plugins-base             0.10.25-0maemo14+0m5
ii  gstreamer0.10-plugins-camera           0.79-1+0m5
ii  gstreamer0.10-plugins-good             0.10.16-git276-0maemo19+0m5
ii  gstreamer0.10-plugins-ugly-multiverse  0.10.7-2maemo1
ii  gstreamer0.10-pocketsphinx             0.6.1-1
ii  gstreamer0.10-rm                       0.10.14.2-1maemo2-1
ii  gstreamer0.10-theora                   0.10.23-0maemo4+0m5-tk1
ii  gstreamer0.10-tools                    0.10.25-0maemo4+0m5
ii  gstreamer0.10-vorbis                   0.10.23-0maemo4+0m5-tk1
ii  gstreamer0.10-vp8                      0.10.18-0maemo1
ii  gstreamer0.10-wma                      0.32+0m5
ii  gstreamer0.10-x                        0.10.25-0maemo14+0m5
ii  kmplayer                               0.10.5.900-1
ii  libgstreamer-plugins-base0.10-0        0.10.25-0maemo14+0m5
ii  libgstreamer0.10-0                     0.10.25-0maemo4+0m5
ii  libgstreamermm-0.10-2                  0.10.2-maemo1
ii  libnice-gstreamer0.10                  1:0.0.9-0maemo10+0m5
Is something else's missing or conflicting?
 
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daperl is offline daperl
2010-11-11 , 21:14
Posts: 2,427 | Thanked: 2,986 times | Joined on Dec 2007
#44
Originally Posted by kieron View Post
Looks like i'm a special ops secret agent in night mode after a bong hit.
TFTFY

the end
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jprobichaud is offline jprobichaud
2010-11-11 , 21:26
Posts: 63 | Thanked: 26 times | Joined on Jul 2010 @ Canada
#45
Originally Posted by mr id View Post
should be in plugins good.
gstreamer0.10-plugins-good
Ah, I've found it: I need to install gstreamer0.10-plugins-good-extra for the video balance pipeline to be present...

Now, the following command line works, but the video is still of an ugly green...


Code:
gst-launch v4l2src device=/dev/video1 ! ffmpegcolorspace ! videobalance brightness=0.5 contrast=1.2 ! autovideosink
It's time to experiment with the other settings...

Thanks again!
 

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nicolai is offline nicolai
2010-11-12 , 01:27
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#46
try to change the gamma value.

nicolai
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TheBootroo is offline TheBootroo
2010-11-13 , 15:22
Posts: 138 | Thanked: 164 times | Joined on Aug 2009 @ Chateauroux, FRANCE
#47
i can make the app UI if you want : i'm Qt4 dev

but i need someone who really knows all gst and v4l2 trick to do the hard part : configure and retrieve the image from the cam.
 

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jprobichaud is offline jprobichaud
2010-11-15 , 15:26
Posts: 63 | Thanked: 26 times | Joined on Jul 2010 @ Canada
#48
hum, thanks for the hint nicolai. Playing with hue and gamma, I can get a picture that is "understandable", but it seems that a lot of experimentation that is still needed in order to get a "good" picture...

Stopping and restarting gstreamer (from gst-launch) each time one wants to try with a different value seems inefficient at best. Is there a way to change the pipeline values *while* gstreamer is running?
 
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Saturn is offline Saturn
2010-11-16 , 00:52
Posts: 1,648 | Thanked: 2,122 times | Joined on Mar 2007 @ UNKLE's Never Never Land
#49
Originally Posted by jprobichaud View Post
hum, thanks for the hint nicolai. Playing with hue and gamma, I can get a picture that is "understandable", but it seems that a lot of experimentation that is still needed in order to get a "good" picture...

Stopping and restarting gstreamer (from gst-launch) each time one wants to try with a different value seems inefficient at best. Is there a way to change the pipeline values *while* gstreamer is running?
Hi, are you experimenting to get a better picture or video from the front camera?

If you get a command that gets a better pic then please post, as it will be quite useful for many apps.

Cheers
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kev is offline kev
2010-12-05 , 14:53
Posts: 7 | Thanked: 3 times | Joined on Jan 2009
#50
All videobalance options

http://www.gstreamer.net/data/doc/gs...eobalance.html
 
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