> This is one case where GStreamer can't manage to figure out the correct > pad to connect to on splitmuxsink and you have to tell it. > > This pipeline works: > > > gst-launch-1.0 alsasrc ! audio/x-raw,channels=1 ! opusenc ! .audio_%u > splitmuxsink location=%03d.ogg muxer=oggmux > it works, thank you