[Freeswitch-users] playback from hadoop

[mark morreny]

Hi

Sorry to ask again.

I know the command to copy file from hadoop file system to somewhere else.
But how do I make a shell command to output raw audio?
What command is it like?  Is it like play()?   I am confused.

Thx,
mark

On Tue, Nov 10, 2009 at 11:56 PM, Andrew Thompson <andrew at hijacked.us>wrote:

> On Tue, Nov 10, 2009 at 11:29:37PM +0800, mark morreny wrote:
> > Hi
> >
> > Thanks for the tips.  May I ask how to split the file from hadoop to the
> > shell?  Is it like copying the file to certain dir?
> >
> > I can't find any mod_shell_stream related info from the wiki.  Does
> anyone
> > know how to use it?
> >
>
> mod_shell_stream is undocumented, but from reading the code I gather it
> works like this:
>
> Module calls fork() and in the child process it runs an arbitrary shell
> command (specified in its config file?). The parent process then reads
> raw audio data from the child process and uses it as an audio source.
>
> So basicially you could write the shell command in anything, so long as
> it outputs raw audio to FS.
>
> Or maybe I read the code wrong when I skimmed over it. If you do get it
> working, please contribute some documentation to the wiki.
>
> Andrew
>
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