[streaming] Re: Problem transcoding H264 to MPEG-2

[Julian Allen]

Hi Jean-Paul,

Thanks for your reply. I have posted (pasted?) 3 logs:

http://paste.videolan.org/1372 - this is the output from just playing the stream (successfully).
http://paste.videolan.org/1373 - this the output from transcoding the stream from H264 to MPEG-2.
http://paste.videolan.org/1374 - this the output from trying to play the resultant mpeg file.

Cheers,

=Julian=


Jean-Paul Saman <jean-paul.saman at planet.nl> wrote: Julian Allen wrote:
> Hi,
> 
> I'm trying to transcode some H264 streams to MPEG-2 format files. These streams play fine with VLC 0.8.6 but when I try to transcode them, the resultant file has audio but no video
> 
> The VLC command line I'm using works for most network streams (of various different formats) but not these particular AFTV ones. So I'm thinking there must be something non-standard about the streams that I'm not accounting for. 
> 
> Here's the comand line I'm using:
> 
> vlc rtsp://video1.multicasttech.com/AFTVCrimeH264500.sdp :sout=#transcode{vcodec=mp2v,vb=2048,scale=1,acodec=mpga,ab=192,channels=2,audio-sync}:standard{access=file,mux=ps,dst="AFTV Crime.mpg"} --sout-transcode-width 640 --sout-transcode-height=480 --sout-transcode-canvas-width=640 --sout-transcode-canvas-height=480
> 
> and here's the VLC message that gets logged over and over again during the transcoding process:
> 
> main   warning: trying to send non-dated packet to stream output!
> 
> I'd be very grateful for any help or suggestions.
> 
> =Julian=
> 
> PS - I already raised his on the "vlc" mailing list but got no replies. A friend told me that subscribers to the "streaming" mailing list would be more likely to come up with good suggestions for this problem.
> 
> 
> 
> 
> 
Could you post the complete VLC logs to paste dot videolan dot org and 
sent an e-mail again with the link to the pasted log?

That would give us developers more information about why things go 
wrong. With the information you have given us so far the only conclusion 
that can be drawn is that the input stream is borked.

Gtz,
Jean-Paul Saman.


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