[Live-devel] Re: How to unicast a wav format audio file by testWAVAudioStreamer

Raymond Little raymondmsl at gmail.com
Tue May 10 10:55:31 PDT 2005


On 5/10/05, Ross Finlayson <finlayson at live.com> wrote:
> 
> >1. I want to stream a couple of .wav files to one host by liveMedia.
> >But I have no idea  how to set the unicast destination IP address if I
> >stream the file by testWAVAudioStreamer.
> 
> To stream by unicast, don't use "testWAVAudioStreamer" as a 
> model.  Instead, use "testOnDemandRTSPServer".
Thanks to  your reply. My first qeuestion should be how to use
testOnDemandRTSPServer to stream by unicast. Sorry for my mistake. I
still can`t figure out how to use it; could you give me furture 
suggestion?
> 
> >2. How to loop streaming a .wav file? or how to stream a playlist. All
> >the .wav file I want to stream and then calculate their PESQ is only
> >about 10 seconds long. I want to loop streaming    one file or stream
> >a playlist.
> 
> You can do this in principle, provided that all of the files that you want 
> to stream have the same sampling frequency, and are all stereo (or are all 
> mono).  To do this, you would need to modify the class "WAVAudioFileSource"
> 
> (and then modify "WAVAudioFileServerMediaSubsession" to use this new class,
> 
> instead of "WAVAudioFileSource").
> 
> >3.How can I receive a stream and save it in wav format?
> 
> Run "openRTSP" <http://www.live.com/openRTSP/> to save the received audio 
> data to a file.  Later, preprend this file with an appropriate "WAV" file 
> header.
> 
> 
> 	Ross Finlayson
> 	LIVE.COM
> 	<http://www.live.com/>
> 
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>



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