I am able to reproduce this easily on krillin using image 16. However
thumbnails are generated correctly in the gallery on mako, so I don't
believe the issue is related to the gallery app itself but rather
something on the system. Also, I don't think it's a gstreamer related
issue, as the thumbail is correctly displayed in the video scope so if
it was a gstreamer issue it would fail there as well.
It could be a security/apparmor related issue. I see these DENIALS in
/var/log/syslog when launching the gallery when there are video
thumbnails:
Sep 4 23:28:54 ubuntu-phablet kernel: [ 8210.366923]
(1)[2347:gallery-app]type=1400 audit(1409887734.744:487): apparmor="DENIED"
operation="chmod" profile="com.ubuntu.gallery_gallery_2.9.1.1049"
name="/run/user/32011/" pid=2347 comm="gallery-app" requested_mask="w"
denied_mask="w" fsuid=32011 ouid=32011
Sep 4 23:28:56 ubuntu-phablet kernel: [ 8212.259456]
(2)[2612:CodecLooper]type=1400 audit(1409887736.644:488): apparmor="DENIED"
operation="open" profile="com.ubuntu.gallery_gallery_2.9.1.1049"
name="/android/system/etc/mtk_omx_core.cfg" pid=2612 comm="CodecLooper"
requested_mask="r" denied_mask="r" fsuid=32011 ouid=0
** Also affects: apparmor-easyprof-ubuntu (Ubuntu)
Importance: Undecided
Status: New
** Changed in: apparmor-easyprof-ubuntu (Ubuntu)
Assignee: (unassigned) => Jamie Strandboge (jdstrand)
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https://bugs.launchpad.net/bugs/1365503
Title:
Video thumbnails always fail in gallery-app
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