Thank you, Martyn! I will. But we have to go through the open source approval
before I could summit the patch for review. It may take 1 ~ 2 weeks.
Best Regards
Amanda
> Can you create a bug report and submit a patch for review based on this
> thread? I don't have an objections to what I have see
I've installed the tracker source package v0.9.34, on Feb.22 MeeGo image. But a
file missing error happened when I built the source code.
The missing file is "tracker-miner-applications-meego.h". Could someone tell me
where is this file? Many thanks!
Here is the error output:
make[5]: Entering d
There may be a better way:
How about introducing a "priority" or "rank" property for the extractors? Once
a extractor is loaded, it's order in the specific/general extractor list is
decided by its priority. If more than one extractors match a mime type, the
higher-priority one will be tired befo
Here is my change on Tracker GStreamer extractor and it works. Is this method
doable? And Can I submit a patch for it?
For OMA DRM content format (DCF), it will try GStreamer at first. If GStreamer
DRM-aware extensions are installed, then decodebin2 can recognize the original
media type and extr
Sorry, it's my mistake. The g_debug() is added where the program didn't run to.
I'll close the bug.
> -Original Message-
> From: Lin, Mengdong
> Sent: Tuesday, February 22, 2011 11:33 AM
> To: 'Ivan Frade'; Philip Van Hoof
> Cc: tracker-list@gnome
I submitted a Bug 642937 - An extractor's output by g_debug( ) can not be
logged in Tracker 0.10.0
> You can also start the extractor by hand: path/to/tracker-extract -v
> 3 -f FILE and it will print the output in the terminal.
The command line cannot got the output either.
When I rolled back
> Notes:
>
>The database version has been incremented, this will force a
>reindex for any existing Tracker installation.
How to do it?
I uninstalled the old tracker version, and installed 0.10.0. Is this enough?
Thanks
Amanda
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I installed tracker 0.10.0, and set Verbosity=3 (debug) in the
tracker-extract.cfg. But I cannot see the extractor's output by g_debug() in
the log file "tracker-extract.log".
How can I get these logs? I remember I could in an older version of Tracker.
Thanks
Amanda
__
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
Thank you all for the advice!
It's straight forward to adding "application/vnd.oma.drm.content" to the list
of mimetypes the gstreamer extractor can handle.
To be honest, writing a new DCF extractor cannot make metadata extraction
faster because it still depends on GStreamer and its extension (t
I opened another loop to discuss this :
http://mail.gnome.org/archives/tracker-list/2011-February/msg00042.html
-Original Message-
From: tracker-list-boun...@gnome.org [mailto:tracker-list-boun...@gnome.org] On
Behalf Of Lin, Mengdong
Sent: Friday, February 18, 2011 4:21 PM
To: tracker
I want to add support for OMA DRM Content Format (DCF), an encrypted file
format. Here is my solution:
(1) I've registered *.dcf files in shared-mime-info, MIME type is
"application/vnd.oma.drm.content".
(2) We developed a DRM-aware GStreamer file source plug-in that can decrypt the
protecte
I want to add support for OMA DRM Content Format (DCF), an encrypted file
format. Here is my solution:
(1) I've registered *.dcf files in shared-mime-info, MIME type is
"application/vnd.oma.drm.content".
(2) We developed a DRM-aware GStreamer file source plug-in that can decrypt the
protected
Regards
Amanda
-----Original Message-
From: Martyn Russell [mailto:mar...@lanedo.com]
Sent: Thursday, February 17, 2011 6:22 PM
To: Lin, Mengdong
Cc: tracker-list@gnome.org
Subject: Re: [Tracker] How tracker use libstreamanalyzer?
On 17/02/11 08:20, Lin, Mengdong wrote:
> Could someone t
Has tracker-extract already integrate libstreamanalyzer? If yes, when and how
does tracker use it?
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Could someone tell me how tracker may use of libstreamanalyzer? Is there any
code that I can refer to?
Many thanks!
Amanda
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For option #2, Could you tell me how tracker works with libstreamanalyzer?
Which source code file shall I refer to?
Many thanks!
Amanda
-Original Message-
From: Philip Van Hoof [mailto:s...@pvanhoof.be]
Sent: Friday, December 10, 2010 7:15 AM
To: Lin, Mengdong
Cc: Martyn Russell
we cannot use GStreamer
extractor to get the rich meta data.
Best Regards
Amanda
-Original Message-
From: Philip Van Hoof [mailto:s...@pvanhoof.be]
Sent: Friday, December 10, 2010 7:15 AM
To: Lin, Mengdong
Cc: Martyn Russell; tracker-list@gnome.org
Subject: Re: [Tracker] Can a tracker
I 'm writing an extractor to support OMA DRM v1 file format. Its mime type is
"application/vnd.oma.drm.content".
The original media content is encrypted and embedded in this file. And this DRM
extractor can get the original media type by reading the file header.
If the protected content is audio
>In theory, it is possible, but I don't recommend it.
>Tracker also already would register this file as an "audio" class in the
>ontology used and written to the database, so the mime type shouldn't
>need changing if you mean to search for all audio files in Tracker.
How can the tracker recogni
I wonder whether the a extractor can change the MIME type?
I want to support media types protected by OMA DRM V1.
There is a encryption wrapper outside the original media content. The wrapper
file's MIME type is : application/vnd.oma.drm.content
By registering this mime type to "shared-mime-info
.fr...@gmail.com]>
Sent: Wednesday, December 08, 2010 12:44 AM
To: Lin, Mengdong
Cc: Martyn Russell; Michele Tameni;
tracker-list@gnome.org<mailto:tracker-list@gnome.org>
Subject: Re: [Tracker] How does tracker recognize the mime type of a new file?
hi,
Tagreadbin doesn't load any dec
Thanks a lot!
The MIME type I want to support is a wrapper file format of OMA DRM :
application/vnd.oma.drm.content
It's not supported by " shared-mime-info" yet.
The original media file is embedded in this wrapper.
Now I have two choices to make shared-mime-info support it:
1. Only recognize
Then if I want to add new file format but its mime type is not supported by
glib yet, how to write a extractor plug-in for that type?
The tracker-extractor cannot find a matched plug-in for an empty type.
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When a new file is added, how does tracker recognize its mime type (eg.
mpeg/audio)? So that tracker-extractor can find a matching extractor for this
type.
Could somebody tell me which module do this work and how?
Thanks
Amand
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I'll track the mail thread "[Tracker] Relicensing tracker-extract to LGPL".
Many thanks!
-Original Message-
From: tracker-list-boun...@gnome.org [mailto:tracker-list-boun...@gnome.org] On
Behalf Of Lin, Mengdong
Sent: Thursday, December 02, 2010 9:34 AM
To: Martyn R
So will you relicense tracker-extract and extractor plug-ins from GPL to LGPL?
If yes, is there a timeline? We'll wait for the new version.
Thanks & Best Regards
Amanda
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contradiction to GPL.
Thanks & Best Regards
Amanda
-Original Message-
From: Martyn Russell [mailto:mar...@lanedo.com]
Sent: Wednesday, December 01, 2010 4:47 PM
To: Lin, Mengdong; tracker-list; Jürg Billeter
Subject: Re: [Tracker] Can I write a proprietary plug-in to extract meta data
fr
The extractor plug-ins delivered by the community are all GPL.
If I want to push a extractor plug-in to upstream for a new file format, this
plug-in must be GPL? And all its dependency shall also be open source (GPL or
LGPL)?
Thanks
Amanda
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libtracker-extract is LGPL, can I write a proprietary plug-in for it to handle
a private file format (eg. a DRM file format) ?
Thanks
Amanda
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libtracker-extract is LGPL, can I write a proprietary plug-in to handle my own
DRM file format?
-Original Message-
From: Adrien Bustany [mailto:abust...@gnome.org]
Sent: Monday, November 29, 2010 2:54 PM
To: Lin, Mengdong
Cc: tracker-list@gnome.org
Subject: Re: [Tracker] Is there a way
Thank you Adrien.
I don't want to change tracker's and GStreamer's source code, but add a
proprietary GStreamer plug-in.
But this plug-in will be loaded by GStreamer at runtime when tracker launches,
will this conflict with tracker's GPL?
Regards
Amanda
the fact that GStreamer is LGPL means t
GStreamer is LGPL and allow proprietary plug-ins. But tracker is GPL.
So if a tracker use GStreamer to extract meta data for some file format but a
proprietary GStreamer plug-in is involved, this is not allowed, right?
Thanks
Amanda
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A customer require us to support OMA DRM-protected content.
Since some meta data can only be extracted after the content is decrypted, we
need a library for decryption and provide API for tracker to get the metadata.
But for license issue, the decryption library is a proprietary one and can NOT
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