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Thread: Problem in ffmpeg transport stream multiplexer
Problem in ffmpeg transport stream multiplexer
user name
 2007-02-05 07:51:34 

  


  

    HI,

I want to multiplex an mpeg2 video and a mp3 audio into a transport stream.
But i am getting an error,

gst-launch-0.10 filesrc location=/root/rtpi.mpg ! queue ! mux. filesrc location=/root/rtpi.mp3 ! queue ! mux. ffmux_mpegts name=mux ! filesink location=/root/rtpi.ts

Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
ERROR: from element /pipeline0/mux: Internal GStreamer error: negotiation problem.  Please file a bug at 
http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer.
Additional debug info:
gstffmpegmux.c(377): gst_ffmpegmux_collected (): /pipeline0/mux:
no caps set on stream 1 (audio)
ERROR: pipeline doesn't want to preroll.

Setting pipeline to NULL ...
FREEING pipeline ...

Is the pipeline correct or is there someting that i have missed?

regds
Gajel




  

  
  
   
     
    

  

    Re:  Problem in ffmpeg transport stream
multiplexer
  


  

     user name

     2007-02-05 23:15:57
  


  

    

  


  

    HI Mike,

The rtpi.mp3 and rtpi.mpg are elementary audio and video ( rtpi.mpv to be precise ) 
streams that were separeted from rtpi.ts itself.
rtpi.ts is MPEG2 Transport Stream.

regds
gajel

On 2/5/07, Gajel Kumar < gajel.kumargmail.com">gajel.kumargmail.com> wrote:

HI,

I want to multiplex an mpeg2 video and a mp3 audio into a transport stream.
But i am getting an error,

gst-launch-0.10 filesrc location=/root/rtpi.mpg ! queue ! mux. filesrc location=/root/rtpi.mp3 ! queue ! mux. ffmux_mpegts name=mux ! filesink location=/root/rtpi.ts

Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
ERROR: from element /pipeline0/mux: Internal GStreamer error: negotiation problem.&nbsp; Please file a bug at 

http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer.
Additional debug info:
gstffmpegmux.c(377): gst_ffmpegmux_collected (): /pipeline0/mux:
no caps set on stream 1 (audio)
ERROR: pipeline doesn't want to preroll.

Setting pipeline to NULL ...
FREEING pipeline ...

Is the pipeline correct or is there someting that i have missed?

regds
Gajel







  

  
  
   
     
    

  

    Re:  Problem in ffmpeg transport stream
multiplexer
  


  

     country flaguser name
Spain		
     2007-02-06 02:32:44
  


  

    
On Tue, 2007-02-06 at 10:45 +0530, Gajel krishna wrote:
> HI Mike,
> 
> The rtpi.mp3 and rtpi.mpg are elementary audio and
video ( rtpi.mpv to
> be precise ) 
> streams that were separeted from rtpi.ts itself.
> rtpi.ts is MPEG2 Transport Stream.

Well, as I said, you'll need mp3parse for the mp3 file, and
you'll need
an mpeg video elementary stream parser for the video. I
don't think
gstreamer has one of those included at the moment.

Mike

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