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

[Madovsky]

nice metaphore Anth ;)

----- Original Message ----- 
From: "Anthony Minessale" <anthony.minessale at gmail.com>
To: "FreeSWITCH Users Help" <freeswitch-users at lists.freeswitch.org>
Sent: Friday, June 17, 2011 1:30 PM
Subject: Re: [Freeswitch-users] Want to play music on hold while executing a 
time consuming operation in Lua


> 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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