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I'm trying to use Gstreamer
's GStreamer Editing Services to concatenate
2 videos, and to have a transition
between the two.
This command, which joins 2 segments of the videos together without a transition, works fine:
ges-launch-0.10 vshort01.mov 0 5 vshort02.mov 5 5 -r -o file:///tmp/foo.mov
Here is the output from it:
$ ges-launch-0.10 vshort01.mov 0 5 vshort02.mov 5 5 -r -o file:///tmp/foo.mov
save_path: (null)
load_path: (null)
Adding file:///home/rory/vshort01.mov inpoint:0:00:00.000000000 duration:0:00:05.000000000
Adding file:///home/rory/vshort02.mov inpoint:0:00:05.000000000 duration:0:00:05.000000000
Done
If I try to have a short transition
between the 2 videos with this command, it just hangs.
ges-launch-0.10 vshort01.mov 0 5 +transition crossfade 2 vshort02.mov 5 5 -r -o file:///tmp/foo.mov
The output, I get is this:
save_path: (null)
load_path: (null)
Adding file:///home/rory/vshort01.mov inpoint:0:00:00.000000000 duration:0:00:05.000000000
Adding <transition:crossfade> duration 0:00:02.000000000
Adding file:///home/rory/vshort02.mov inpoint:0:00:05.000000000 duration:0:00:05.000000000
And there it hangs. The file /tmp/foo.mov
stays at 0 bytes, with no CPU activity.
I am using package ges0.10-tools version 0.10.1-1 on ubuntu 11.04 natty. I have tried a freshly built version of gst-editing-services from a git clone today c2668d058501513b734c8a8013a5e78c817712bb
I tried without the -r -o …
options (i.e. telling ges-launch
to display the video, not render it to a file), and the same problems occurred. With the +transitition
, the window opens (to show the video) showing the first frame of the first video. But the video doesn't play, and there is no CPU usage etc.
How do I get it to make a file and transition between them?
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