On 06/26/2013 09:01 AM, Otwoh wrote: > Is the mpeg audio decoder must be manualy added to GStreamer ? > All the tutorials I found on the web just intalled the basic version of > GStreamer. >From what I've read, it sounds like you need qtdemux (from gst-plugins-good) and probably an h264 decoder (from gst-ffmpeg or gst-libav).