gstreamer support relies on obsolete/dead gstreamer-0.10 and gst-plugins-ffmpeg (that is also broken with ffmpeg3). I would then suggest to disable that gstreamer-0.10 support Thanks
Fine with me.
[master 7382730] media-video/minitube: Disable optional gstreamer:0.10 support (#594882) 1 file changed, 89 insertions(+) create mode 100644 media-video/minitube/minitube-2.5.2-r1.ebuild