demux/mux stalling

[Babineau, Denis]

Hi

I'm experimenting with gst-launch and different pipelines trying to get a better understanding of the flow. Ultimately I'd want to be able to mux multiple streams from different sources (files). However I'm having problems just demuxing and remuxing a single file.

The following works, however I have to decode and re-encode which I don't want to do:

gst-launch -v filesrc location=test.ogg ! oggdemux name=demux demux. ! queue ! theoradec ! theoraenc ! queue ! mux. demux. ! queue ! vorbisdec ! vorbisenc ! queue ! mux. oggmux name=mux ! filesink location=new.ogg

The following doesn't work, everything looks ok, it goes to PLAYING but it just stalls there and I get an empty file:

gst-launch -v filesrc location=test.ogg ! oggdemux name=demux demux. ! "video/x-theora" ! queue ! mux. demux. ! "audio/x-vorbis" ! queue ! mux. oggmux name=mux ! filesink location=new.ogg

I tried different permutations, with queues, without queues but I can't figure out why it's stalling ..

Thanks

Denis

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