gst-launch-1.0 -v audiotestsrc ! voaacenc ! mpegtsmux ! fakesink not-negotiated (-4)

[Sebastian Dröge]

On Mi, 2014-11-05 at 19:50 +0800, Zhang.Ping wrote:
> Hi, all
> 
> log msg as follow:
> 
> gst-launch-1.0 -v audiotestsrc ! voaacenc ! mpegtsmux ! fakesink --gst-debug=mpegtsmux:7,voaacenc:7

gst-launch-1.0 -v audiotestsrc ! voaacenc ! aacparse ! mpegtsmux ! fakesink
                                              ^
see here --------------------------------------

You need a parser to convert the voaacenc output to the stream format
that mpegtsmux requires. From the complete debug logs you would see that
something there complains about incompatible caps.

Always add parsers after encoders and before muxers, unless there is no
parser.

-- 
Sebastian Dröge, Centricular Ltd · http://www.centricular.com
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