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

[Edward Hervey]

Hi,

  You need to creates links for both your streams, ergo something like
this (without properties for understanding):

  filesrc ! qtdemux name=demux demux.video_00 ! queue ! mpegtsmux !
filesink demux.audio_00 ! queue ! mpegtsmux

   Edward

On Fri, 2009-03-13 at 15:15 -0700, Raymond Tam wrote:
> Hi all,
> 
> I'm trying to convert a mp4 transport stream file (video: H264, audio: AAC) to mpeg-2 transport stream file.
> 
> 
> If I use the following pipeline:
> 
> gst-launch filesrc location=input_video.mp4 ! qtdemux ! mpegtsmux m2ts-mode=FALSE ! filesink location=output_video.mpg
> 
> 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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