Should I try to set null to AmPlaylist object before adding playlist item?

On Mon, Nov 3, 2014 at 3:48 PM, Stefan Sayer <[email protected]>
wrote:

> John Nash wrote on 11/03/2014 11:07 AM:
> > Thank you for fast reply. Files when played on any media player do not
> > have this sound.. I am playing dynamic number of files based on Invite
> > header value and no matter how many files in playlist this sound is
> > there at last. Like if I add file1, file2, file3. All three files play
> > fine but at the end of file3 there is a hummmmmm sound (Not exactly a
> > noise more like a constant dial tone).
> >
> > If I do not use setStopped and dlg-->bye() on noAudio. This sound will
> > play on and on like a constant beep till call is disconnected.
>
> might be some audio buffer e.g. in amplaylist that is not cleared and
> which is used over and over (when it should just generate zeros)
>
> Stefan
>
> >
> > Log is like
> >  [#7f552615a700/20968] [read, AmAudioFile.cpp:413] DEBUG:  0-stuffing
> > packet: adding 10 bytes (packet size=20)
> >  [#7f552615a700/20968] [get, AmPlaylist.cpp:75] DEBUG:  get: gotoNextItem
> >  [#7f552615a700/20968] [get, AmPlaylist.cpp:75] DEBUG:  get: gotoNextItem
> >  [#7f552615a700/20968] [read, AmAudioFile.cpp:413] DEBUG:  0-stuffing
> > packet: adding 10 bytes (packet size=20)
> >  [#7f552615a700/20968] [get, AmPlaylist.cpp:75] DEBUG:  get: gotoNextItem
> >  [#7f552615a700/20968] [read, AmAudioFile.cpp:413] DEBUG:  0-stuffing
> > packet: adding 10 bytes (packet size=20)
> >  [#7f552615a700/20968] [get, AmPlaylist.cpp:75] DEBUG:  get: gotoNextItem
> >  [#7f552615a700/20968] [get, AmPlaylist.cpp:75] DEBUG:  get: gotoNextItem
> >  [#7f552615a700/20968] [gotoNextItem, AmPlaylist.cpp:56] DEBUG:
> > posting AmAudioEvent::noAudio event!
> >  [#7f55077d1700/20985] [processingCycle, AmSession.cpp:373] DEBUG:  vv
> > S
> >
> [c2888de8527843baa26ac53151beef02_b2b-1|2690D531-54574BB900017E4B-24203700]
> > Early, running, 0 UACTransPending, 0 usages vv
> >  [#7f55077d1700/20985] [process, PrecodedAnnounce.cpp:246] DEBUG:
> > PrecodedDialog::process
> >  [#7f55077d1700/20985] [reply, AmBasicSipDialog.cpp:583] DEBUG:
> > reply: transaction found!
> >  [#7f55077d1700/20985] [onReplyOut, AmOfferAnswer.cpp:431] DEBUG:
> > after 487 reply to INVITE: resetting OA state
> >
> >
> >
> >
> >
> >
> >
> >
> > On Mon, Nov 3, 2014 at 3:26 PM, Stefan Sayer <[email protected]
> > <mailto:[email protected]>> wrote:
> >
> >     John Nash wrote on 11/03/2014 10:40 AM:
> >     > I am trying to play multiple files in early_announce app using
> >     > myplaylist.addToPlaylist(new AmPlaylistItem(file1,NULL)); ....and
> so
> >     > on. It works as expected except at the end before "NoAudio" event
> >     > there is a constant humming sound.
> >     >
> >     > I am making sure that SetStopped() is called just when we get
> >     noAudio
> >     > event but that sound won't go.
> >
> >     do you get the humming sound before or after something appears in the
> >     debug log that says gotoNextItem or so?
> >
> >     are you sure that the sound is not in the file that is played,
> >     possibly another chunk in the wav where the program that you saved it
> >     with saved some other information into (and which sems regards as
> >     audio)? is the length in the file header correct? when the file is
> >     loaded, there's some debug info printed out, check if the size there
> >     corresponds to the expected size (length*2*8000 or so). sox or
> >     audacity may help here as well.
> >
> >     also try with other files, e.g. the ones that come with the sems
> >     source. does that happen with all of them?
> >
> >
> >     hth
> >     Stefan
> >
> >
>
>
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