How to extract tags from a stream without playing it?

Sat Jun 11 03:06:58 PDT 2011

hi

  i think i had the same problem than you, everything is fine now, look 
here (it s in pygtk but i think you ll understand..):

http://www.jezra.net/blog/use_python_and_gstreamer_to_get_the_tags_of_an_audio_file

good luck

works great for me !

thx to the gstreamer devs too

On 11/06/2011 10:18, Phong Cao wrote:
> Thank you Arun,
>
> I decided to try out the GstDiscoverer. I already included necessary 
> header. However, it ould not be compiled:
>
> g++ -g /home/phongcao/C/dingo-draft.cc -o /home/phongcao/C/dingo-draft 
> `pkg-config --cflags --libs gtk+-2.0 gstreamer-0.10`
>
> /home/phongcao/C/dingo-draft.cc: In function ‘void 
> import_media_activated(GtkMenuItem*, GtkListStore*)’:
> /home/phongcao/C/dingo-draft.cc:57: error: ‘GstDiscoverer’ was not 
> declared in this scope
> /home/phongcao/C/dingo-draft.cc:57: error: ‘discoverer’ was not 
> declared in this scope
> /home/phongcao/C/dingo-draft.cc:57: error: ‘gst_discoverer_new’ was 
> not declared in this scope
> /home/phongcao/C/dingo-draft.cc:59: error: 
> ‘gst_discoverer_discover_uri’ was not declared in this scope
> /home/phongcao/C/dingo-draft.cc:59: error: 
> ‘gst_discoverer_info_get_tags’ was not declared in this scope
>
> Is there anything wrong with the way I compile the source with 
> GstDiscoverer?
>
> On Sat, Jun 11, 2011 at 1:53 AM, 
> <gstreamer-devel-request at lists.freedesktop.org 
> <mailto:gstreamer-devel-request at lists.freedesktop.org>> wrote:
>
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>     Today's Topics:
>
>       1. Re: How to extract tags from a stream without playing it?
>          (Arun Raghavan)
>       2. How to show song's information into GtkTreeView? (Phong Cao)
>
>
>     ----------------------------------------------------------------------
>
>     Message: 1
>     Date: Fri, 10 Jun 2011 14:49:42 -0700
>     From: Arun Raghavan <arun.raghavan at collabora.co.uk
>     <mailto:arun.raghavan at collabora.co.uk>>
>     Subject: Re: How to extract tags from a stream without playing it?
>     To: gstreamer-devel at lists.freedesktop.org
>     <mailto:gstreamer-devel at lists.freedesktop.org>
>     Message-ID: <1307742584.4513.7.camel at snowflake>
>     Content-Type: text/plain; charset="UTF-8"
>
>     On Fri, 2011-06-10 at 14:05 -0400, Phong Cao wrote:
>     > Hello everybody,
>     >
>     >
>     > I am trying to write a music manager application and would like
>     to get
>     > the stream tags (artist, album, etc...) and display it to the users.
>     > However, I don't know how to do this. I have read the GStreamer
>     Manual
>     > but the section about tags reading is not presented carefully in
>     > there. Therefore, I just want to know which GStreamer functions
>     I need
>     > to use to read the tags from the media files without opening them.
>
>     For exactly what you need, take a look at:
>     https://bugzilla.gnome.org/show_bug.cgi?id=564749
>
>     For something more immediate:
>     http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstdiscoverer.html
>
>     Cheers,
>     Arun
>
>
>
>     ------------------------------
>
>     Message: 2
>     Date: Sat, 11 Jun 2011 01:53:18 -0400
>     From: Phong Cao <phngcv at gmail.com <mailto:phngcv at gmail.com>>
>     Subject: How to show song's information into GtkTreeView?
>     To: gtk-app-devel-list at gnome.org
>     <mailto:gtk-app-devel-list at gnome.org>, gtk-list at gnome.org
>     <mailto:gtk-list at gnome.org>,
>     gstreamer-devel at lists.freedesktop.org
>     <mailto:gstreamer-devel at lists.freedesktop.org>,
>     gstreamer-devel at lists.sourceforge.net
>     <mailto:gstreamer-devel at lists.sourceforge.net>
>     Message-ID: <BANLkTing7oeRkyRwdiO86A_29DxrmkFPvA at mail.gmail.com
>     <mailto:BANLkTing7oeRkyRwdiO86A_29DxrmkFPvA at mail.gmail.com>>
>     Content-Type: text/plain; charset="iso-8859-1"
>
>     Hello everybody,
>
>     I am trying to develop a small music manager using GTK+ and GStreamer.
>     However, I am currently unable to display the stream information (like
>     artist, title, album, etc...) on the GtkTreeView.
>
>     I do not know if anyone here has any experience developing
>     software like
>     this. But the idea behind this software is that when you click
>     File -> Open
>     and then choosing a file from the GtkFileChooser, that music file
>     will be
>     imported into the GtkListStore.
>
>     Attached with this email is the source code of the program. I
>     think the
>     problem relates to either GstTagList I used or GtkListStore.
>
>     Thank you for helping me with this problem. I hope you guys have a
>     good day!
>
>
>     Best regards,
>
>
>     Phong Cao
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