<div dir="ltr">I'm trying to use ges-launch 1.14.0 (from ubuntu) to combine several video clips together.  The result is that after the first video clip, the video is black.  Audio is still playing, but no video :(.  Is my command broken?<br><br><span style="font-family:monospace">/usr/bin/ges-launch-1.0 +clip 'file:///path/VID_20180430_102604739.mp4' \</span><div><span style="font-family:monospace">+clip 'file:///path/VID_20180430_103346866.mp4' \</span><div><span style="font-family:monospace">+clip 'file:///path/VID_20180430_103803754.mp4' \</span></div><div><span style="font-family:monospace">+clip 'file:///path/VID_20180430_104534024.mp4' \</span></div><div><span style="font-family:monospace">+clip 'file:///path/VID_20180430_104722857.mp4' \</span></div><div><span style="font-family:monospace">+clip 'file:///path/VID_20180430_105058972.mp4' \</span></div><div><span style="font-family:monospace">-o 'output.mp4' \</span></div><div><span style="font-family:monospace">-f 'video/quicktime,variant=iso:video/x-264:audio/mpeg,mpegversion=1,layer=3'<br></span></div></div></div>