Seeking guidance to record streaming audio at time of broadcast

[marshall]

On Wed, 28 Sep 2011 11:45:50 +0000
bat guano <batguano999 at hotmail.com> wrote:

> 
> 
> 
> ----------------------------------------
> > Date: Wed, 28 Sep 2011 07:28:25 +0100
> > From: marshall at mcleave.orangehome.co.uk
> > To: get_iplayer at lists.infradead.org
> > Subject: Re: Seeking guidance to record streaming audio at time of
> > broadcast
> >
> > On Wed, 28 Sep 2011 07:21:29 +0100
> > marshall <marshall at mcleave.orangehome.co.uk> wrote:
> >
> > > On Tue, 27 Sep 2011 20:18:06 +0100
> > > Clive <clivebuc at gmail.com> wrote:
> > >
> > > > Hello,
> > > >
> > > > I have not used get_iplayer to record a live broadcast. I would
> > > > like to record Saturday's BBC R3 Opera Tosca at 6pm (in the
> > > > highest quality available). I would be grateful if someone
> > > > could give me the command line, with an explanation, and
> > > > explain how I find the server details for a particular
> > > > broadcast.
> > > >
> > > > Many thanks.
> > > >
> > > > Clive
> > >
> > > While running the risk of getting kicked in the balls for saying
> > > so here, I use mplayer to do the recording of live radio
> > > programmes. mplayer seems to handle live streams better (for me),
> > > I see less stream drops and cut outs than using get_iplayer.
> > >
> > > The command
> > >
> > > mplayer 'url_of_stream' -dumpstream -dumpfile
> > > captured_file_name.aac
> > >
> > > mplayer
> > > 'http://bbcmedia.ic.llnwd.net/stream/bbcmedia_lc1_radio3_p?s=1317145324&e=1317159724&h=b006a0bc719af9662e473ebc29ae78a6'
> > > -dumpstream -dumpfile r3.aac
> > >
> > > This dumps the 320kbit aac stream into a file called r3.aac
> > >
> > > To find a radio stream url go to somewhere like
> > > http://www.listenlive.eu/uk.html and open the playlist file of the
> > > station/format/bitrate in a text editor and just copy and paste it
> > > into the above command. (Make sure you surround the url in single
> > > ' quotes or the "&'s" will cause you problems.)
> > >
> > > -Marshall
> > >
> >
> > Yeah I forgot to say ctrl-c to end/finsh the stream dump.
> >
> >
> That's smart Marshall. :-)
> 
> (I didn't know that Radio 3 HD 320k was now available using a pls
> feed).
> 
> Your commmand can be simplified a little:-
> mplayer 'http://www.bbc.co.uk/radio/listen/live/r3_aaclca.pls'
> -dumpstream -dumpfile r3.aac
> 
> Then wrap it in m4a:-
> ffmpeg -i r3.aac -acodec copy -absf aac_adtstoasc r3.m4a
> 
> I think using the "pls" feed with mPlayer will be more reliable than
> using the "mediaselector/special_event" feed with get_iplayer. ;-)
> 


Nice, I'm all for keeping it simple. :D

I take it the ffmpeg command is for turning the file into something 
itunes can handle, if you need that sort of thing?

-Marshall