Can't scan videos on ubuntu touch (flo, image 100)

[Ricardo Salveti]

current build number: 100
device name: flo
channel: ubuntu-touch/utopic-proposed
last update: 2014-06-27 02:47:20
version version: 100
version ubuntu: 20140626.2
version device: 20140625

Flashed a clean image, tried to import the videos from http://people.canonical.com/~rsalveti/videos/, but mediascanner 2 is unable to index such files.
phablet@ubuntu-phablet:~$ mediascanner-service-2.0
Mount directory does not exist
0 files deleted from disk.
In subdir /home/phablet/Videos
Extracting metadata from /home/phablet/Videos/big_buck_bunny_480p_H264_AAC_25fps_1800K.MP4.
Error when indexing: Unable to discover file /home/phablet/Videos/big_buck_bunny_480p_H264_AAC_25fps_1800K.MP4
Extracting metadata from /home/phablet/Videos/big_buck_bunny_480p_MPEG4_MP3_25fps_1600K.AVI.
Error when indexing: Unable to discover file /home/phablet/Videos/big_buck_bunny_480p_MPEG4_MP3_25fps_1600K.AVI
Extracting metadata from /home/phablet/Videos/sintel[REC].mp4.
Error when indexing: Unable to discover file /home/phablet/Videos/sintel[REC].mp4
Extracting metadata from /home/phablet/Videos/sintel_trailer-1080p.mp4.
Error when indexing: Unable to discover file /home/phablet/Videos/sintel_trailer-1080p.mp4
Watching subdirectory /home/phablet/Videos, 1 watches in total.

[Ricardo Salveti (rsalveti)]

Worked fine when mediascanner 1 was used instead.

[Jamie Strandboge (jdstrand)]

Are there any apparmor denials for mediascanner? (grep DEN /var/log/syslog)

[Ricardo Salveti (rsalveti)]

I thought I checked that when submitting this bug, but yeah, follows the denial:
Jun 27 04:46:40 ubuntu-phablet kernel: [ 92.764892] type=1400 audit(1403844400.411:73): apparmor="DENIED" operation="open" parent=3331 profile="/usr/bin/mediascanner-service-2.0" name="/android/system/lib/libmedia_compat_layer.so" pid=3405 comm="multiqueue0:src" requested_mask="r" denied_mask="r" fsuid=32011 ouid=0

[Ricardo Salveti (rsalveti)]

As mediascanner uses gst directly, I imagine the policy needs to be similar to media-hub (libhybris/etc).

[Ricardo Salveti (rsalveti)]

Worked fine after I added the following at /etc/apparmor.d/usr.bin.mediascanner-service-2.0:
"""
  /dev/ashmem rw,

  # libhybris
  /{,var/}run/shm/hybris_shm_data rw,
  /usr/lib/@{multiarch}/libhybris/*.so mr,
  /{,android/}system/build.prop r,
  # These libraries can be in any of:
  # /vendor/lib
  # /system/lib
  # /system/vendor/lib
  # /android/vendor/lib
  # /android/system/lib
  # /android/system/vendor/lib
  /{,android/}vendor/lib/** r,
  /{,android/}vendor/lib/**.so m,
  /{,android/}system/lib/** r,
  /{,android/}system/lib/**.so m,
  /{,android/}system/vendor/lib/** r,
  /{,android/}system/vendor/lib/**.so m,

  # attach_disconnected path
  /dev/socket/property_service rw,

  # Android logging triggered by platform. Can safely deny
  deny /dev/log_main w,
  deny /dev/log_radio w,
  deny /dev/log_events w,
  deny /dev/log_system w,

  /{,android/}system/etc/media_codecs.xml r,
  owner @{HOME}/.cache/gstreamer*/ rw,
"""

[Jamie Strandboge (jdstrand)]

Interesting-- I had all these at first but it didn't need it on mako when I implemented the profile. That was on the latest promoted though, so perhaps something changed. I'll get an update out immediately.

[Launchpad Janitor (janitor)]

This bug was fixed in the package mediascanner2 - 0.101+14.10.20140627-0ubuntu1

---------------
mediascanner2 (0.101+14.10.20140627-0ubuntu1) utopic; urgency=medium

  [ Jussi Pakkanen ]
  * Disable short query test to work around a behavioral change in
    SQLite.
 -- Ubuntu daily release <email address hidden> Fri, 27 Jun 2014 17:30:35 +0000

[Jamie Strandboge (jdstrand)]

The 0.101+14.10.20140627-0ubuntu1 doesn't show the actual fix. This does:
mediascanner2 (0.101+14.10.20140625-0ubuntu2) utopic; urgency=medium

  * debian/usr.bin.mediascanner-service-2.0: updates for libhybris based on
    work by Ricardo Salveti. (LP: #1334940)