hi, I am deal with the oma drm issue on android 4.0, do you have any idea to add the simple forward locked feature on the android?
On Sat, Nov 6, 2010 at 3:14 AM, Mathias Lin <[email protected]> wrote: > I'm looking for a way to protect video and audio content (around 2GB) from > being copied / played on other devices than the one where the app has > initially been bought and installed on. > > What's currently the best approach? I try to research on the web but can > hardly find any up-to-date information on this topic for Android. > > > I looked into the (controversial) OMA DRM, can hardly find any information > on how to implement DRM management on Android, the Android docs give no > information on that. > I also looked at third party vendors and found around 2-3 (i.e. Mutable > Inc., Discretix and Irdeto), I emailed them for further information but > haven't heard back from any. It also seems that they're products/offerings > are already outdated or not further supported, at least some websites > aren't updated since 2007 (Mutable Inc.). > Then there's an open source lib, OpenIPMP (http://sourceforge.net/** > projects/openipmp/ <http://sourceforge.net/projects/openipmp/>) by > Mutable Inc., but it also seems to been last updated in 2006. > > Interestingly I found on http://android.git.kernel.org/** > ?p=platform/frameworks/base.**git;a=commit;h=** > d074e30ce44b9e33da43b67a4515b8**986ca72b26<http://android.git.kernel.org/?p=platform/frameworks/base.git;a=commit;h=d074e30ce44b9e33da43b67a4515b8986ca72b26>the > following notice: > > -- snip -- > Initial contribution from Sony Corporation. > > Add DRM Framework to support DRM content playback > together with StageFright. > > - DRM Framework code is added > - include/drm > - drm > - api/current.xml is updated to include DRM Framework Java APIs > - cmds/servicemanager/service_**manager.c is modified > to add drmManager and drmIOService. > > -- snap -- > > Is DRM implemented differently for StageFright and OpenCore - or does only > one of those Framework support it? I found some DRM related classes in the > developer docs, but not enough information to fully get the big picture. > > > Many others ask similar question, nobody seems to know details. > > http://stackoverflow.com/**questions/3462037/what-is-the-** > situation-with-android-**support-for-oma-drm<http://stackoverflow.com/questions/3462037/what-is-the-situation-with-android-support-for-oma-drm> > http://stackoverflow.com/**questions/2524304/how-to-** > implement-oma-forward-lock-on-**android<http://stackoverflow.com/questions/2524304/how-to-implement-oma-forward-lock-on-android> > http://stackoverflow.com/**questions/2509688/oma-dm-** > features-supported-in-android-**apis<http://stackoverflow.com/questions/2509688/oma-dm-features-supported-in-android-apis> > > > Some background on what I need: > > Our Android application holds ~ 2 GB of audio/video content which the user > pays for and downloads. > We now need to implement a way to secure the content from being copied. > > Here are some information what we need/have: > - Android 2.x application > - playing video/audio (i.e. mp4, but any Android supported format will do) > - data is around 2GB (containing of many small files) > - users/target group is in Mainland China only (for the moment) > - for the user it's a one-time purchase, means he purchases all 2GB files > at once (not per single file) > - the media files are played back in our Android app with our implemented > media player (http://developer.android.com/**reference/android/media/** > MediaPlayer.html<http://developer.android.com/reference/android/media/MediaPlayer.html>) > or VideoView (http://developer.android.com/**reference/android/widget/** > VideoView.html<http://developer.android.com/reference/android/widget/VideoView.html> > ) > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to > android-developers@**googlegroups.com<[email protected]> > To unsubscribe from this group, send email to > android-developers+**[email protected]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/**group/android-developers?hl=en<http://groups.google.com/group/android-developers?hl=en> -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
