Re: Using mplayer save RealMedia audio in a sensible format?

From: Travis Crump (pretzalz_at_techhouse.org)
Date: 09/30/04

  • Next message: Ian L: "Re: NOT ANSWERED asus a7n8x built in nic and intel pro 100 S nic" 
    Date: Thu, 30 Sep 2004 17:34:42 -0400
To: Debian User List <debian-user@lists.debian.org>

    Adam Funk wrote:
    > On Thursday 30 September 2004 19:50, Adam Funk wrote:
    >
    >
    >>Sorry: I'm sure I've most of the man mplayer page a few times and I
    >>still can't figure out how to do this. I want to convert a RealPlayer
    >>URL stream into a file in some sensible (e.g. WAV, Ogg, MP3) audio
    >>format.
    >>
    >>I started with this:
    >> mplayer -dumpfile foo.wav -dumpstream rtsp://....ra
    >>but foo.wav turned out to be a RealMedia file.
    >
    >
    > Since posting this, I found the answer.
    > http://groups.google.com/groups?selm=20040508124642.1144B16A50E_hub.freebsd.org%40ns.sol.net
    > Scroll down to message 5.
    > "mplayer file.ra -ao pcm" also works as "mplayer -ao pcm rstp://....ra"
    > and produces a WAV file, audiodump.wav. (I think I had tried the -ao
    > pcm option in combination with -dumpstream.)
    >
    > I'm still curious, however. Why does mplayer record to a RealAudio
    > file, which is not a useful format?
    >
    >

    It is not recording to anything, it is recording bit for bit the input
    stream. Which can be useful for either diagnostic purposes[is mplayer
    having problems with the rstp protocol or the realplayer codec?], or
    because converting to a lossless format would take up too much room[in
    my experience -ao pcm can generate very large wav files[10x-20x the
    original]] and converting to another lossy format is undesired due to
    inherent degradation. 

    


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