From Flash to an audio file

[Paul Smith]

On Wed, Jul 9, 2008 at 11:58 PM, Andras Simon <szajmi at gmail.com> wrote:
>> How can I dump to an audio file something that plays on Firefox with
>> Flash. For instance:
>
> mplayer -vo null -ao pcm:file=out.wav in.flv
>
> is what I do. Works well with youtube.

Thanks, Andras, but the point is to find the address of the flv file
in the page. How can I get such address?

Paul