Hey, Frank, Please use the following. Note that the only difference is using v4l2src instead of v4lsrc. From a certain driver version, the epiphan cards don't support v4l (version 1), but v4l2 instead.
sudo gst-launch --gst-debug-no-color -e --gst-debug=2 v4l2src device=/dev/vga2usb ! fakesink Good luck Rubén 2012/2/22 Frank Van Damme <[email protected]> > On 21-02-12 23:42, Greg Logan wrote: > >> Try using /dev/video1 (or whatever device appears when the Epiphan >> driver is loaded). /dev/vga2usb0 is not a v4l device, so you won't be >> able to get capture data out of it. >> > > Mixed up /dev/vga2usb0 and /dev/vga2usb. > Unfortunately /dev/video1 (symlinked from /dev/vga2usb) has some kind of > problem too. > > WITH GST-LAUNCH: > > sudo gst-launch --gst-debug-no-color -e --gst-debug=2 v4lsrc > device=/dev/vga2usb ! fakesink > > Setting pipeline to PAUSED ... > Pipeline is live and does not need PREROLL ... > Setting pipeline to PLAYING ... > New clock: GstSystemClock > 0:00:00.392823086 6438 0x2310dc0 WARN v4l > v4lsrc_calls.c:124:gst_v4lsrc_**sync_frame:<v4lsrc0> error: system error: > Broken pipe > 0:00:00.392965963 6438 0x2310dc0 WARN basesrc > gstbasesrc.c:2550:gst_base_**src_loop:<v4lsrc0> error: Internal data flow > error. > 0:00:00.392993824 6438 0x2310dc0 WARN basesrc > gstbasesrc.c:2550:gst_base_**src_loop:<v4lsrc0> error: streaming task > paused, reason error (-5) > ERROR: from element /GstPipeline:pipeline0/**GstV4lSrc:v4lsrc0: Could not > synchronize on resource. > Additional debug info: > v4lsrc_calls.c(124): gst_v4lsrc_sync_frame (): /GstPipeline:pipeline0/** > GstV4lSrc:v4lsrc0: > system error: Broken pipe > Execution ended after 115611211 ns. > > Setting pipeline to PAUSED ... > Setting pipeline to READY ... > > Setting pipeline to NULL ... > Freeing pipeline ... > > WITH MENCODER (from the epiphan drivers' README): > > $ mencoder -oac lavc -ovc lavc -lavcopts > vcodec=mpeg4:keyint=100:**vbitrate=8000:vhq -noaspect -flip -o > test.avi -tv noaudio:driver=v4l:outfmt=**bgr24:device=/dev/video1 > tv:// > MEncoder 1.0rc4-4.4.5 (C) 2000-2010 MPlayer Team > success: format: 9 data: 0x0 - 0x0 > TV file format detected. > Selected driver: v4l > name: Video 4 Linux input > author: Alex Beregszaszi > comment: under development > Selected device: Epiphan VGA2USB LR #V4U121082 > Capabilites: capture > Device type: 1 > Supported sizes: 1280x1024 => 1280x1024 > Inputs: 1 > 0: VGA: (tuner:0, norm:pal) > Using input 'VGA' > Selected input hasn't got a tuner! > [V] filefmt:9 fourcc:0x42475218 size:1280x1024 fps:25.000 ftime:=0.0400 > Opening video filter: [expand osd=1] > Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1 > ==============================**==============================** > ============== > Opening video decoder: [raw] RAW Uncompressed Video > Could not find matching colorspace - retrying with -vf scale... > Opening video filter: [scale] > Opening video filter: [flip] > Movie-Aspect is undefined - no prescaling applied. > [swscaler @ 0x28f5220]using unscaled bgr24 -> yuv420p special converter > videocodec: libavcodec (1280x1024 fourcc=34504d46 [FMP4]) > [VE_LAVC] High quality encoding selected (non-realtime)! > Selected video codec: [rawbgr24] vfm: raw (RAW BGR24) > ==============================**==============================** > ============== > Forcing audio preload to 0, max pts correction to 0. > Writing header... > ODML: Aspect information not (yet?) available or unspecified, not writing > vprp header. > Writing header... > ODML: Aspect information not (yet?) available or unspecified, not writing > vprp header. > Pos: 0.1s 2f ( 0%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0] > Skipping frame! > Pos: 0.1s 4f ( 0%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0] > Skipping frame! > Pos: 0.2s 6f ( 0%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0] > video buffer full - dropping frame > > video buffer full - dropping frame > > video buffer full - dropping frame > Pos: 0.2s 7f ( 0%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0] > Skipping frame! > Pos: 0.2s 8f ( 0%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0] > Skipping frame! > Pos: 0.2s 10f ( 0%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0] > Skipping frame! > Pos: 0.2s 11f ( 0%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0] > Skipping frame! > Pos: 0.2s 12f ( 0%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0] > Skipping frame! > Pos: 0.2s 13f ( 0%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0] > video buffer full - dropping frame > > video buffer full - dropping frame > > > > -- > No part of this copyright message may be reproduced, read or seen, > dead or alive or by any means, including but not limited to telepathy > without the benevolence of the author. > ______________________________**_________________ > Matterhorn-users mailing list > Matterhorn-users@**opencastproject.org<[email protected]> > http://lists.opencastproject.**org/mailman/listinfo/**matterhorn-users<http://lists.opencastproject.org/mailman/listinfo/matterhorn-users> >
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