[gst-devel] Problem in ffmpeg transport stream multiplexer

Gajel Kumar gajel.kumar at gmail.com
Mon Feb 5 14:51:34 CET 2007


I want to multiplex an mpeg2 video and a mp3 audio into a transport stream.
But i am getting an error,

gst-launch-0.10 filesrc location=/root/rtpi.mpg ! queue ! mux. filesrc
location=/root/rtpi.mp3 ! queue ! mux. ffmux_mpegts name=mux ! filesink
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
ERROR: from element /pipeline0/mux: Internal GStreamer error: negotiation
problem.  Please file a bug at
Additional debug info:
gstffmpegmux.c(377): gst_ffmpegmux_collected (): /pipeline0/mux:
no caps set on stream 1 (audio)
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
FREEING pipeline ...

Is the pipeline correct or is there someting that i have missed?

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