[streaming] Re: Streaming mp4+AAC to mobile phones

Marshall Eubanks tme at multicasttech.com
Thu Dec 8 18:24:43 CET 2005


Is this straight  MPEG-4 or the 3GPP / 3GPP2 variants ?

Regards
Marshall

On Dec 8, 2005, at 11:51 AM, Torben Knerr wrote:

> Hi,
>
> I tried that about half a year ago with the same setup (vlc+dss 
> +sdp), and I was also facing the same problem with the sound.
> What device do you have? I have a Nokia 6630. The strange thing  
> about it was, that it played mp4/aac content locally without  
> problems -- but when I tried to stream the same mp4/aac content  
> then there was no sound. Maybe it is a problem with the device not  
> supporting aac streamed over rtsp..?
> Because that did not work, I tried to stream with amr/samr audio  
> instead of aac, but it failed because vlc does not officially  
> support amr. Well, you need to compile ffmpeg with amr enabled and  
> then recompile vlc with the amr-enabled ffmpeg. That allowed me to  
> play amr files locally with vlc, but streaming amr was not  
> supported at this time...
>
> If you get it work somehow, either with aac or amr/samr, please let  
> me know!
> @VLC team: is it by now possible to stream amr/samr with a self- 
> compiled ffmpeg lib? Did anyone succeed with that?
>
> Cheers,
> torben
>
>
> On 12/8/05, PERET Pierre-Hugues <ph.peret at free.fr> wrote: Hello,
> I'm trying to stream contents transcoding or not to mobile phones.
> At the moment, i'm using VLC + DSS , but i cannot get the sound  
> working on
> my mobile phone.
> The file plays fine when accessed directly through the url
> rtsp://my.server.com:554/myfile.mp4 , but if i want to stream it  
> with vlc +
> DSS the mobile phone player (realplayer) doesn't load the sound.  
> Accessing
> the stream with QTplayer on my PC (windows) works fine.
> Any idea about that ?
> Someone got streaming for mobile phone (3GP) working ?
> The goal would be to have vlc transcode a live stream and feed the DSS
> server with a .sdp file.
>
> thanks
>
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