[gst-devel] Problem with the sample helloworld from GStreamer Doc

[Alexandre MOREL]

Hello,

I'm a beginner with GStreamer. I try to start with the sample of
Helloworld. compil and link are ok.

When I want to play a mp3 file i hear any sound.
I make test with gstreamer-properties and all works perfectly and if can
play my file with totem.
my config is a debian sarge with kernel 2.6.7-1-686

my package of GStreamer is : 
dpkg -l | grep GStreamer 
ii  gstreamer-mad  0.6.4-5.1      MAD MPEG audio decoder plugin for
GStreamer
ii  gstreamer0.8-a 0.8.4-1        ATSC A/52 audio decoder plugin for
GStreamer
ii  gstreamer0.8-a 0.8.4-1        AA-lib plugin for GStreamer
ii  gstreamer0.8-a 0.8.4-1        ALSA plugin for GStreamer
ii  gstreamer0.8-a 0.8.4-1        aRtsd plugin for GStreamer
ii  gstreamer0.8-a 0.8.4-1        AudioFile plugin for GStreamer
ii  gstreamer0.8-c 0.8.4-1        cdparanoia plugin for GStreamer
ii  gstreamer0.8-d 0.8.4-1        DV plugin for GStreamer
ii  gstreamer0.8-d 0.8.4-1        DVD plugin for GStreamer
ii  gstreamer0.8-f 0.8.4-1        FLAC plugin for GStreamer
ii  gstreamer0.8-g 0.8.4-1        Gnome VFS plugin for GStreamer
ii  gstreamer0.8-g 0.8.4-1        GSM plugin for GStreamer
ii  gstreamer0.8-h 0.8.4-1        colorspace conversion plugin for
GStreamer b
ii  gstreamer0.8-j 0.8.4-1        JACK plugin for GStreamer
ii  gstreamer0.8-j 0.8.4-1        JPEG plugin for GStreamer
ii  gstreamer0.8-m 0.8.4-1        MAD MPEG audio decoder plugin for
GStreamer
ii  gstreamer0.8-m 0.8.4-1        MikMod decoder plugin for GStreamer
ii  gstreamer0.8-m 0.8.4-1        Collection of various GStreamer
plugins
ii  gstreamer0.8-o 0.8.4-1        OSS plugin for GStreamer
ii  gstreamer0.8-p 0.8.4-1        Simple GStreamer applications
ii  gstreamer0.8-p 0.8.4-1        All GStreamer plugins
ii  gstreamer0.8-s 0.8.4-1        SDL videosink plugin for GStreamer
ii  gstreamer0.8-s 0.8.4-1        C64 SID decoder plugin for GStreamer
ii  gstreamer0.8-s 0.8.4-1        Speex plugin for GStreamer
ii  gstreamer0.8-t 0.8.4-1        Theora plugin for GStreamer
ii  gstreamer0.8-t 0.8.5-1        Tools for use with GStreamer
ii  gstreamer0.8-v 0.8.4-1        Vorbis plugin for GStreamer
ii  gstreamer0.8-x 0.8.4-1        X videosink plugin for GStreamer
ii  libgstreamer-g 0.8.4-1        GConf support for GStreamer
ii  libgstreamer-p 0.8.4-1        Various GStreamer libraries and
library plug
ii  libgstreamer-p 0.8.4-1        Development files for various
GStreamer libr
ii  libgstreamer0. 0.6.4-1.1      Core GStreamer libraries, plugins, and
utili
ii  libgstreamer0. 0.8.5-1        Core GStreamer libraries, plugins, and
utili
ii  libgstreamer0. 0.8.5-1        GStreamer development libraries and
headers
ii  libkdegst0.6   0.6.1-8        KDE bindings for GStreamer (shared
libraries

So, someone can help me ?

Thanks in advance

-- 
Alexandre MOREL
IUT Poitiers, site de Niort
Tel : 05 49 79 99 09
Fax : 05 49 79 99 02