Problem capturing from Hauppauge WinTV-HVR1120 DVB-T/H
gibrovacco at gmail.com
Thu Jun 2 02:15:46 PDT 2011
On Wed, May 25, 2011 at 5:17 PM, Tvrtko Ursulin
<tvrtko.ursulin at onelan.co.uk> wrote:
> Hi all,
> This is a three input cards (DVB-T, Composite and S-Video) and I am at the
> moment struggling to capture from the Composite input, for example.
> Attached are some v4l2-ctl outputs and gst-launch debug logs.
> First thing I do is set input to composite:
> v4l2-ctl -d 0 -i 1
> Most naive attempt to get something is:
> gst-launch-0.10 v4l2src ! queue ! xvimagesink
> Which fails with (also log.0 attached):
> gstv4l2object.c(2093): gst_v4l2_object_set_format (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
> Call to S_FMT failed for YUYV @ 720x480: Invalid argument
some memories from an old bt878-based card. I remember that some color
space combinations did not work with a given frame size/interlacing
method.. maybe you can get more info about this on the linuxtv.org's
> Gstreamer is 0.10.32 and plugins-good are 0.10.27.
> I tried messing around with specifying caps like:
> v4l2src ! video/x-raw-yuv,format=YV12 ! queue ! xvimagesink
> Which results in (log.yv12):
> WARNING: erroneous pipeline: could not link v4l2src0 to queue0
using an ffmpegcolospace between the queue and xvimagesink could help.
The queue itself is not mandatory in this pipeline.
> If anyone has any hints on what is the problem it would be appreciated.
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