H.264 Webcam using uvch264_src

[Thomas Lindner]

Hello,

I'm testing the Logitech BCC950 Cam which supports H.264 encoding. The H.264
encoding should be fully compatible with the C920.
And in fact, the test tool test-uvch264 works perfect with this cam.
But when I try to setup the capture-decode-chain thru gst-launch, I always
get the following *error message*:

linux-zn8k:~ # gst-launch uvch264_src device=/dev/video1 name=src
auto-start=true src.vidsrc ! queue !
video/x-h264,width=1280,height=720,framerate=15/1,profile=constrained-baseline
! h264parse ! ffdec_h264
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
*ERROR: from element
/GstPipeline:pipeline0/GstUvcH264Src:src/GstV4l2Src:v4l2src0: Internal data
flow error.
Additional debug info:
gstbasesrc.c(2633): gst_base_src_loop ():
/GstPipeline:pipeline0/GstUvcH264Src:src/GstV4l2Src:v4l2src0:
streaming task paused, reason not-linked (-1)*
...

Any idea ?

Thanx in advance,
Thomas




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