[gst-devel] logitech quickcam express - recorded video quality bad

[Edgard Lima]

Hi,

first of all try to see the image you are capturing

v4lsrc ! xvimagesink (try also v4l2src ! xvimagesink)

then try some capabilities

v4lsrc ! video/x-raw-yuv,framerate=12/1 ! xvimagesink

if you get some errors look the log messages to get a hint of others 
framerates

then, if the image is too dark or whatelse bad

write an app and use GstColorBalance interface to modify some parameters 
like brightness and contrast
(look into 
http://webcvs.freedesktop.org/gstreamer/gst-plugins-good/tests/icles/v4l2src-test.c?revision=1.8&view=markup 
to see how to write such app)

in addition you could also use a queue element between v4lsrc and theoraenc

BR,
Edgard


ext sanjay kumar gupta escreveu:
>
> Hi,
> I  have logitech quickcam express webcam. Recorded video quality from 
> this web cam is very bad.
> These are the details in my system:
> $ uname -a
> Linux localhost.localdomain 2.6.16.20 #1 SMP Tue Dec 19 10:59:29 IST 
> 2006 i686 i686 i386 GNU/Linux
> $ /sbin/lsmod |grep video
> video                  18820  0
> videodev              13440  1 spca5xx
>
> I am using the following command to record the video:
>
> $ gst-launch-0.10 v4lsrc  ! videoscale ! 
> 'video/x-raw-yuv,frame-rate=(double)12.0' ! ffmpegcolorspace ! 
> theoraenc ! oggmux ! filesink location=abc.ogg
>
> I tried with different frame rates, width, height combination in the 
> filter in command line but got same quality video.
> Can someone please tell me how to get better video quality from this 
> webcam using gstreamer?
> Attaching the recorded video sample file.
> Thanks in advance.
> Regards,Sanjay
>
>
>
> <http://adworks.rediff.com/cgi-bin/AdWorks/sigclick.cgi/www.rediff.com/signature-home.htm/1507191490@Middle5?PARTNER=3> 
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