I think you should better use camerabin El mar, 26-01-2010 a las 21:01 -0500, Aldon Hynes escribió:
> I am new to using gst-launch. I've not been able to find good descriptions > of the different options or elements to use. So, I started by using > > gst-launch v4l2camsrc device=/dev/video1 num-buffers=1 ! videoscale ! > video/x-raw-yuv,width=475,height=356 ! omx_jpegenc ! filesink > location=test.jpg > > That gave me the error about omx_jpegenc > > When I tried using jpegenc instead of omx_jpegenc I got a message: > could not link videoscale0 to jpegenc0 > > I tried dropping videoscale, I tried using pngenc, none of these worked. > The suggestion about dspjpegenc worked nicely, except that the images turned > out all black or all white. Is there a png counterpart? I also tried > adding capture-mode=1 to the v4l2camsrc element, which didn't make any > difference. > > I haven't done anything with ffmpegcolorspace, so I'll look at that next. > > If you know of any good documentation on using the gst-tools, that would be > greatly appreciated. > > Aldon > > -----Original Message----- > From: Attila Csipa [mailto:ma...@csipa.in.rs] > Sent: Tuesday, January 26, 2010 6:42 PM > To: maemo-users@maemo.org > Cc: Aldon Hynes > Subject: Re: gst-launch and openmax > > > On Tuesday 26 January 2010 23:21:49 Aldon Hynes wrote: > > When I tried jpegenc I got > > > > WARNING: erroneous pipeline: could not link v4l2camsrc0 to jpegenc0 > > > > When I tried pngenc I got > > > > WARNING: erroneous pipeline: could not link v4l2camsrc0 to pngenc0 > > > > When I tried dspjpegenc, it captured a picture, but my image was all > black. > > Can you post the whole pipeline you're using ? Seems you're missing an > element > (likely ffmpegcolorspace or sorts). > > Regards, > Attila > > _______________________________________________ > maemo-users mailing list > maemo-users@maemo.org > https://lists.maemo.org/mailman/listinfo/maemo-users
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