[FFmpeg-user] Streaming audio input in a lossless format

[Alex Becerra]

Hello everyone,

Roger, Do you have a command line for that?
Now I have the "official" ffmpeg. The mp3 streaming still works, but when I
try to change it to wav or flac I have the following error in VLC when I
try to hear the streaming.
"SDP required:

A description in SDP format is required to receive the RTP stream. Note
that rtp:// URIs cannot work with dynamic RTP payload format (97)."

Thanks.


Best regards,

Alex.

2012/10/2 Roger Pack <rogerdpack2 at gmail.com>

> > There's an standard process (or series of steps) to do an streaming with
> a
> > lossless format using the line in input of the sound card?
> > MP3 coding works perfectly but I need the lossless data. The command used
> > is "ffmpeg -f alsa -i hw:0 -acodec libmp3lame -ar 11025 -ac 1 -f rtp
> rtp://
> > 234.5.5.5:1234" and I opened it without problems using VLC player.
> > I've tried to many configurations changing the codec to pcm_s16le or flac
> > but none of them worked, also I've tried with udp protocol without good
> > results. Some of them showed an error in VLC (SDP related) and many other
> > works (the streaming starts) but VLC didn't reproduce anything (only
> > silence)
>
> I think I'e had success streaming rtmp with "raw audio" to a FME server.
> FWIW.
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