GStreamer 1.7.1, ksvideosrc & dvsd

Walter Horsten walter.horsten at gmail.com
Mon Jan 18 05:47:11 PST 2016


Hi all,

I am trying to display video from a firewire camera using gst-launch-1.0 on
a Windows 10 system.

gst-device-monitor-1.0 displays the following capabilities for my camera:

Device found:

        name  : Sony DV Camcorder
        class : Video/Source
        caps  : video/x-raw, format=(string)dvsd, width=(int)720,
height=(int)480, framerate=(fraction)30/1, pixel-aspect-ratio=(fraction)1/1;
                video/x-raw, format=(string)dvsd, width=(int)720,
height=(int)576, framerate=(fraction)25/1,
pixel-aspect-ratio=(fraction)12/11;
                video/x-raw, format=(string)dvsd;

But I can't seem to find any element that has a sink that accepts
video/x-raw, format=dvsd as input ?

I have tried the following (in a git bash shell):

./gst-launch-1.0.exe -v ksvideosrc device-name='Sony DV Camcorder' !
'video/x-raw, format=(string)dvsd, width=(int)720, height=(int)480,
framerate=(fraction)30/1, pixel-aspect-ratio=(fraction)1/1' ! videoconvert
! 'video/x-raw, format=(string)I420' ! autovideosink

./gst-launch-1.0.exe -v ksvideosrc device-name='Sony DV Camcorder' !
'video/x-raw, format=(string)dvsd, width=(int)720, height=(int)480,
framerate=(fraction)30/1, pixel-aspect-ratio=(fraction)1/1' ! autovideosink

But all fail to create the pipeline. I've also checked dvdec and dvdemux,
but they seem to require a video/dv mime-type.

If anyone could tell me how to convert the dvsd to something more useful I
would be very grateful.

Thanks in advance,
Walter
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