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

[PERET Pierre-Hugues]

I came to the same conclusion as you .
For now, i'm working on the sdp stuff which i think is the problem. Or it 
might be the reflector module of DSS (in this case i doubt i could do 
anything for it).

At 17:02 11/12/2005 -0800, Torben Knerr wrote:


>On 12/11/05, PERET Pierre-Hugues 
><<mailto:ph.peret at free.fr>ph.peret at free.fr> wrote:
>>Didn't tried with ffmpeg's amr_wb.
>>trying with http allways make my operator says wrong url, putting the 
>>full path or not.
>>
>>I talked on irc with some guys, and it seems that it's not very possible 
>>to do what i want , and someone oriented me to helix mobile server and 
>>mobile encoder, but it's far too expensive....
>>
>>as i want to take an already running stream and transcode it to 3gp , i 
>>think i cannot do that with opensource or free software.
>
>I think it is possible with vlc+dss, as soon as the sound issue is solved. 
>Even though the stream might not be 100% 3gp spec compliant, it worked (at 
>least with video only).
>
>>I noticed that DSS is not able to stream mp4+aac to mobile phone -> nokia 
>>6630 , sound is not working, even with the sample which comes with the 
>>server. Making aac streaming working on the mobile would be the 
>>solution.(amr is not my preference).
>
>I think that's not possible with the 6630, because it can not play aac 
>streams :(
>On the other hand DSS _is able_ to stream mp4+aac (as you can see the 
>stream with different players, such as QT), so imho it is definitely the 
>mobile, which is _not able_ to play rtsp-streamed aac.
>But you are right, amr_nb is no solution because it is too crappy... 
>amr_wb might be okay, even though not as good as aac.
>
>>if you know a streaming server that can do that.. pls tell me.
>>maybe tomorrow i will try amr_wb . i will keep you informed.
>>
>>NB : 3gp or mp4 generated by vlc doesn't play on the mobile phone on 
>>local playback (possibly beacause of the lack of hinted tracks)
>
>Right, for local playback you need to hint the files. I used mp4box for 
>hinting and got it work to play locally with mp4+aac and mp4+amr (both 
>encoded with vlc). Don't remember if it worked with h263 video too, but i 
>guess so.
>
>Good luck with the amr_wb stuff!
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