Hi, I want to run a video that's mkv, I use mplayer play it perfectly, but there is a problem with audio output when I use gst-launch ...play it, the problem is there is only background music but no person' voice. I used "autoaudiosink" as the audiosink Is there someone who can give some hints about it~ thanks Martin <div class="gmail_quote">On Mon, May 30, 2011 at 5:29 PM, Jose Antonio Santos Cadenas <<a href="mailto:santoscadenas@gmail.com">santoscadenas@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Hi, 2011/5/30 Ashwini Sharma <<a href="mailto:ak.ashwini@gmail.com">ak.ashwini@gmail.com</a>>: <div><div></div><div class="h5">> Hi All, > > 狢 have a file, which have a Video and multiple audio streams. I want to > play all the audio streams at once. > > Is it possible to handle multiple audio streams at the same time. If so, can > you please help me with some example pipeline/code? </div></div>You should have a look to the adder Element. It mixes all the audio streams in one. You can find examples on its documentation: <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-plugins/html/gst-plugins-base-plugins-plugin-adder.html" target="_blank">http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-plugins/html/gst-plugins-base-plugins-plugin-adder.html</a> Regards. > > Regards, > Ashwini > > _______________________________________________ > gstreamer-devel mailing list > <a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a> > <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> > > _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote></div>