[Freeswitch-users] session.recordFile create empy wav in whileloop

Anthony Minessale anthony.minessale at gmail.com
Thu Jul 14 19:56:12 MSD 2011 

seems like speechtools.jm and mod_flite "see pizza demo" would be a
little easier.

Anyway,
Try session.execute("sleep", "100"); each time before you record to
flush the audio buffers.

On Thu, Jul 14, 2011 at 10:49 AM, Daniel Knoll <daniel at danielknoll.de> wrote:
> Hello Jason,
> Thank you for your help. Both of them improved the code. Closing the open
> file handle is very good, because i saw in the process view many "sh"
> processes.
> But the error is another.
> I increase the time of silence to 7 instead of 3.
> it seems to be that in this time that session.streamFile is executed (3sec.
> audio file) , the next instruction session.recordFile is executed, because
> the first 5 seconds of audio files in the second run are silence.
> I have no answer about this control.
> for the first my changes works for me, but with a little bit more waiting
> time.
>
> Daniel
> Am 14.07.2011 um 15:26 schrieb Jason Moran:
>
> One other thing to check - make sure you aren't having problems with
> open file handles.  You might have to play around with issuing an
> fd.close() at the appropriate time or else try incrementing the file
> name (and other permutations) to ensure you aren't blocking yourself
> from writing the same file.
>
> -Jason
>
> -----Original Message-----
> From: Daniel Knoll [mailto:daniel at danielknoll.de]
> Sent: Wednesday, July 13, 2011 6:28 PM
> To: FreeSWITCH Users Help
> Subject: Re: [Freeswitch-users] session.recordFile create empy wav in
> whileloop
>
> Hi Steve,
> Thanx for helping me,
> the call is established and the loop can be re-run and re-run. but the
> new audio file that is created is empty.
> i have the same issue if i use session.execute("record",
> "/dev/shm/"+rd+".wav 10 150");
>
> unfortunately there is no function to stop the record.
>
> If you can help me I would be very thankful
>
> Daniel
>
>
> Am 13.07.2011 um 23:27 schrieb Steven Ayre:
>
> I'd need to set up a testcase to confirm it, but I think it's probably
>
> that recordFile blocks and doesn't return until it's finished
>
> recording at the end of the call. As a result on the next loop
>
> iteration there'll be no call so nothing to record.
>
> -Steve
>
>
>
> On 13 July 2011 22:17, Daniel Knoll <daniel at danielknoll.de> wrote:
>
> Any Ideas for my problem?
>
> The question is, why is the audio file empty if i re-run in while
>
> loop?
>
> Thanks
>
> Daniel
>
>
> Am 13.07.2011 um 11:24 schrieb Daniel Knoll:
>
> Hi Steve, thanks for fast answer. The Channel is't hung up, because
>
> I
>
> stream in the same loop an Audio File
>
> here is the code, the session.recordFile is executed in the second
>
> run, because, the filesize is changing for the file at first run.
>
> do {
>
>      var rd = session.uuid;
>
> session.streamFile("/dev/shm/freeswitch/sounds/conf-asrintro.wav", "");
>
>      session.recordFile("/dev/shm/"+rd+".wav", "", "", 10, 500, 3);
>
>              system("sox -v 1.7 /dev/shm/"+rd+".wav -r 16000
>
> /dev/shm/"+rd+".flac");
>
>      var fd = new File("|/usr/bin/googlespeech.sh
>
> /dev/shm/"+rd+".flac");
>
>      fd.open("read");
>
>      var dtmf = fd.read("8");
>
>      dtmf = dtmf.replace(/[^0-9]/g, '');
>
>      console_log("notice", "DTMF: "+ dtmf +"\n");
>
>      roomExists = checkRoom(dtmf);
>
>      if(!roomExists){
>
>              retry_count++;
>
> session.streamFile("/dev/shm/freeswitch/sounds/conf-invalid.wav", "");
>
>              var dtmf = "";
>
>      }
>
> } while(!roomExists && retry_count < 5);
>
>
> I googled at this and found some guys he has also the same problem
>
> http://asterisk.voicemeup.com/viewtopic.php?p=62294&sid=8360229099e219df
> 50bbb016cd43cbfd
>
> Can you help me ?
>
> Thanx Daniel
>
>
>
>
>
> 2011/7/13, Steven Ayre <steveayre at gmail.com>:
>
> Are you able to share the code?
>
> Are you checking session.ready in the while loop's condition? Might
>
> the
>
> channel be hung up when it reaches the 2nd recordFile?
>
> -Steve
>
>
> On 13 July 2011 10:01, Daniel Knoll <daniel at danielknoll.de> wrote:
>
> Hey Guys,
>
> i have a strange Problem with session.recordFile in a while loop
>
> and i
>
> don't know how to solve it.
>
> The first run in the loop is absolutly ok, session.recordFile is
>
> creating a good clean wavefile.
>
> but in the second, third ..  run, every wav file has a size of
>
> 47724
>
> byte and no audio content.
>
> Please help me, because it is an urgent case.
>
> Thankx for getting help.
>
> Daniel
>
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>
> --
>
> Daniel Knoll
>
> Liberdastr.. 9
>
> 12047 Berlin
>
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>
> mail daniel at danielknoll.de
>
> web www.danielknoll.de
>
>
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-- 
Anthony Minessale II

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