Re: [Tracker] Add support for OMA DRM Content format
- From: "Lin, Mengdong" <mengdong lin intel com>
- To: "Lin, Mengdong" <mengdong lin intel com>, Martyn Russell <martyn lanedo com>, Aleksander Morgado <aleksander lanedo com>, Philip Van Hoof <spam pvanhoof be>
- Cc: "tracker-list gnome org" <tracker-list gnome org>
- Subject: Re: [Tracker] Add support for OMA DRM Content format
- Date: Sun, 20 Feb 2011 12:12:36 +0800
Supporting DRM formats usually involves proprietary multimedia framework extension (such as the DRM-aware
GStreamer plug-in) and low-level proprietary HW/SW support. It seems better to enhance GStreamer extractor
than writing a new DCF extractor, because:
- If it depends on GStreamer, it cannot extract meta data faster than the GStreamer extractor.
- If it does not depend on GStreamer, it has to use proprietary code to do decryption and cannot be open
source.
- OMA DRM is an open DRM scheme for mobile market and the underlying multimedia frameworks like GStreamer can
support it by installing extensions. GStreamer extractor can try using GStreamer framework to get metadata at
first; if nothing can be got because no GStreamer DRM extension is installed, the extractor can do something
by itself.
Thanks
Amanda
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