[Freeswitch-users] Want to play music on hold while executing a time consuming operation in Lua

[Michael Collins]

Tony,

Thanks for the explanation. This was indeed my concern with trying to do it
from a dp script. Sid, I'm afraid you'll need to use ESL or find a girl who
is not bound by the laws of physics... :)

-MC

On Fri, Jun 17, 2011 at 10:30 AM, Anthony Minessale <
anthony.minessale at gmail.com> wrote:

> In this case, it turns out you are asking the girl to defy physics for you.
>
> The session is executing the script code in the same thread that needs
> to play the audio.
> You cannot magically do 2 things at once in the same thread so....
> using ASYNC (esl) is your only choice apart from using C and threads
> or launching the lua script in another thread with luarun with the
> channel uuid as an arg so it can feed it to the constructor and send
> commands to it remotely which is a pretty big mess.....
>
>
>
>
> On Thu, Jun 16, 2011 at 4:56 PM, Sidharth Kshatriya
> <sid.kshatriya at gmail.com> wrote:
> > Thanks Michael. This is quite a mainstream requirement :-) ! Not everyone
> > uses ESL. Is there no way we can "hack" this in Lua?
> >
> > Will await your research,
> >
> > Sidharth
> >
> > On Thu, Jun 16, 2011 at 11:51 PM, Michael Collins <msc at freeswitch.org>
> > wrote:
> >>
> >> Actually, I am looking into ways to accomplish these. They are somewhat
> >> related to some recipes I am doing for the FS Cookbook. Please stand by.
> >> FYI, I am looking at an ESL-based solution, not a dialplan script. Thus
> far
> >> I have not found a viable way to do async stuff like this from a dp
> script
> >> and I'm thinking ESL is the way to go. I will report back in a bit.
> >> -MC
> >>
> >> On Wed, Jun 15, 2011 at 9:53 PM, Sidharth Kshatriya
> >> <sid.kshatriya at gmail.com> wrote:
> >>>
> >>> I am implementing an IVR using Lua in Freeswitch. In my Lua script I
> use
> >>> curl to a web service. Sometimes the response takes a long time to come
> >>> back. During that time period I would like to play music on hold.
> >>>
> >>> I have searched the freeswitch discussion archives a lot. There seem to
> >>> be many suggested ways to implement music on hold from a Lua script but
> the
> >>> answers are not very clear / not really applicable to my use case. I
> don't
> >>> know what method I should use and which one is recommended.
> >>>
> >>> Method 1: Transfer the call to 9664 (music on hold extension). However
> >>> the implementation for this solution for this does not seem to be
> available
> >>> in Lua. For example: How would I transfer the call back?
> >>> Method 2: Using bgapi uuid_park park the call and using uuid_broadcast
> >>> play an audio file. Again what do I do to unpark the call..?
> >>>
> >>> Thanks,
> >>>
> >>> Sidharth
> >>> [P.S. This is a repost, I apologize but I never got any responses on my
> >>> previous email. Need help! :-) ]
> >>>
> >>> --
> >>> Sidharth Kshatriya
> >>> www.sidk.info
> >>>
> >>>
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> >>
> >>
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> >
> >
> >
> > --
> > Sidharth Kshatriya
> > www.sidk.info
> >
> >
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>
>
> --
> Anthony Minessale II
>
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