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

[Edward Hervey]

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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