[gst-devel] Convert mp4 to mpeg2 transport stream using qtdemux & mpegtsmux

[Edward Hervey]

On Sun, 2009-03-15 at 15:45 -0700, Raymond Tam wrote:
> That works! Thank you Ron and Edward (sorry Edward I missed the dot at the end).
> Can you explain the meaning of the dot in the pipeline?

  It means you want to connect queue to a pad of "mux" (which is the
name we gave to mpegtsmux).

    Edward

> 
> Thanks,
> Raymond
> 
> 
> -----Original Message-----
> Date: Sun, 15 Mar 2009 11:01:15 -0700
> From: Ron McOuat <rmcouat at smartt.com>
> Subject: Re: [gst-devel] Convert mp4 to mpeg2 transport stream using
> 	qtdemux & mpegtsmux
> To: Discussion of the development of GStreamer
> 	<gstreamer-devel at lists.sourceforge.net>
> Message-ID: <49BD426B.3090109 at smartt.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> 
> Add a . to the end of the pipeline
> 
> gst-launch filesrc location=input_video.mp4 ! qtdemux name=demux demux.video_00 ! queue ! mpegtsmux name=mux ! filesink location=output_video.mpg demux.audio_00 ! queue ! mux.
> 
> 
> 
> Raymond Tam wrote:
> > Something is still not right with the pipeline. 
> >
> > When I use the pipeline, it exits immediately complaining not finding the "mux":
> >
> > [root at BB /]# gst-launch filesrc location=input_video.mp4 ! qtdemux name=demux demux.video_00 ! queue ! mpegtsmux name=mux ! filesink location=output_video.mpg demux.audio_00 ! queue ! mux
> > WARNING: erroneous pipeline: no element "mux"
> > [root at BB /]#
> >
> > Any idea?
> >
> > Thanks,
> > Raymond
> >
> >
> > -----Original Message-----
> > Date: Sun, 15 Mar 2009 14:25:16 +0100
> > From: Edward Hervey <bilboed at gmail.com>
> > Subject: Re: [gst-devel] Convert mp4 to mpeg2 transport stream using
> > 	qtdemux & mpegtsmux
> > To: Discussion of the development of GStreamer
> > 	<gstreamer-devel at lists.sourceforge.net>
> > Message-ID: <1237123516.5357.2.camel at putamadre>
> > Content-Type: text/plain
> >
> > On Sat, 2009-03-14 at 15:38 -0700, Raymond Tam wrote:
> >   
> >> Thanks Edward. But it still doesn't quite work.
> >>
> >> If I do this (with properties added):
> >>
> >>     gst-launch filesrc location=input_video.mp4 ! qtdemux name=demux
> >>  demux.video_00 ! queue ! mpegtsmux ! filesink
> >>  location=output_video.mpg demux.audio_00 ! queue ! mpegtsmux
> >>     
> >
> >   There was a mistake in the launch-line, the muxer wasn't used by name.
> > it should be:
> >
> > gst-launch filesrc location=input_video.mp4 ! qtdemux name=demux
> > demux.video_00 ! queue ! mpegtsmux name=mux ! filesink
> > location=output_video.mpg demux.audio_00 ! queue ! mux.
> >
> >    Edward
> >
> >   
> >>> then the output file contains audio only.
> >>>
> >>>
> >>> As an experiment, I then try this pipeline:
> >>>
> >>> gst-launch filesrc location=input_video.mp4 ! qtdemux name=demux demux.video_00 ! mpegtsmux m2ts-mode=FALSE ! filesink location=output_video.mpg
> >>>
> >>> and the output file contains video only. Using VLC player, I can playback this output file without problem, but of course there's no audio.
> >>>
> >>>
> >>> Can someone please tell me what would be the right pipeline to construct in order to properly perform the conversion?
> >>>
> >>> Thanks in advance.
> >>>
> >>> -Raymond
> 
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