From: Thomas V. S. <th...@ap...> - 2005-02-18 11:29:46
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Hi, Ronald asked me to tell you that this should be fixed in CVS. Thomas On Fri, 2005-02-18 at 10:05 +0100, till busch wrote: > hi, > > i'm new to gstreamer. i think fail to understand some of its concepts. > > i'm trying to write an app that uses gstreamer for sound output. > i would like to have gstreamer mix (crossfade) two streams. > all pipes that i tested so far using gst-launch seem to have some problems. > mostly these are negotiation problems. > > does anyone have an example how mixing two streams with threads work? > > a working example in c would be great, too. > > in my observation using spider instead of mad seems to work more frequently, > though > i'd like it to work with mad direcltly before switching to spider. > > i have had limited success with this command-line: > gst-launch-0.8 { filesrc location=Dub_It_Today.mp3 ! mad ! audioscale ! > audioconvert ! volume ! queue ! adder0.sink%d } { filesrc > location=Nah_Bow_Down.mp3 ! mad ! audioscale ! audioconvert ! volume ! > queue ! adder0.sink%d } { adder ! volume ! audioscale ! audioconvert ! > alsasink } > it works quite often, but sometimes it dies like this: > > ERROR: from element /pipeline0/thread2/adder0: Internal GStreamer error: > negotiation problem. File a bug. > Additional debug info: > gstadder.c(459): gst_adder_loop: /pipeline0/thread2/adder0: > width is 0 > Execution ended after 1 iterations (sum 248004000 ns, average 248004000 ns, > min 248004000 ns, max 248004000 ns). > > any other approach with less threads (e.g. one for all inputs + adder, and one > for the audio-output) did not work. > > thank you for any hints, greetings from burgenland > > - till busch > > > ------------------------------------------------------- > SF email is sponsored by - The IT Product Guide > Read honest & candid reviews on hundreds of IT Products from real users. > Discover which products truly live up to the hype. Start reading now. > http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click > _______________________________________________ > gstreamer-devel mailing list > gst...@li... > https://lists.sourceforge.net/lists/listinfo/gstreamer-devel Dave/Dina : future TV today ! - http://www.davedina.org/ <-*- thomas (dot) apestaart (dot) org -*-> I've been told only fools rush in <-*- thomas (at) apestaart (dot) org -*-> URGent, best radio on the net - 24/7 ! - http://urgent.fm/ |