gstreamer-devel Digest, Vol 33, Issue 11

[Carah Smith]

Thanks! I will try adding queues etc. Robert, I tried your command line
gst-launch and it still hangs... Here is the output:

gst-launch-1.0 filesrc location=stream_1.ts ! tsdemux name=demux ! queue !
mpegvideoparse ! mpeg2dec ! x264enc ! mpegtsmux name=mux ! hlssink demux. !
queue ! a52dec ! audioconvert ! faac ! mux.
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Redistribute latency...
Redistribute latency..


Message: 3
> Date: Wed, 2 Oct 2013 13:46:50 -0400
> From: Robert Krakora <rob.krakora at messagenetsystems.com>
> To: Discussion of the development of and with GStreamer
>         <gstreamer-devel at lists.freedesktop.org>
> Subject: Re: demux/remux pipeline hangs when audio is added
> Message-ID:
>         <
> CA+Dpatg7NtwTBG_eCHGSPsgpgpk_wwVzz1su2f3_BLdGQhGtoA at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Something like this Tim?
>
> gst-launch filesrc location=<path> ! tsdemux name=demux ! queue
> ! mpegvideoparse ! mpeg2dec ! x264enc ! mpegtsmux name=mux ! hlssink demux.
> ! queue ! a52dec ! audioconvert ! faac ! mux.
>
>
> On Wed, Oct 2, 2013 at 1:38 PM, Tim-Philipp M?ller <t.i.m at zen.co.uk>
> wrote:
>
> > On Wed, 2013-10-02 at 11:19 -0600, Carah Smith wrote:
> >
> > Hi,
> >
> > > I am trying to make a pipeline that takes a transport stream in,
> > > demuxes it, does some transcoding, remuxes, and sends it to a sink.
> > > I can make it work if I only have video in the pipeline or if I only
> > > have audio but once I add both, the application hangs. Here is my
> > > source code (I removed all the error checking for emailing to reduce
> > > line length):
> >
> > You need a queue in each branch right after the demuxer. This is needed
> > for the "preroll" mechanism to work properly, which blocks the pushing
> > thread in the sink waiting for the 'Go!', but the pipeline won't start
> > unless all sinks have data, which they won't get if you don't use
> > queues.
> >
> > You might also want/need a parser in front of each decoder.
> >
> > Cheers
> >  -Tim
> >
> >
> > _______________________________________________
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> > gstreamer-devel at lists.freedesktop.org
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> >
>
>
>
> --
>
> Rob Krakora,
> Senior Software Engineer
>
> MessageNet Systems
> 101 E Carmel Dr, Suite 105
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> >
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