[Gambas-user] gb.media - audio recording file is emptied when ending the program

[Benoît Minisini]

Le 18/01/2024 à 21:39, Claus Dietrich a écrit :
> Am 18.01.24 um 18:44 schrieb Benoît Minisini:
>> What do you mean by "release en EOS"? "Send" a EOS message to the 
>> pipeline bus? It is automatically done when you call the Stop() method 
>> on the pipeline. 
> 
> I inserted an event handling routine to intercept the pipeline event 
> messages and after some time I started to believe what you confirm above.
> 
> These are my observations:
> 
> 1.    When I start the pipeline I repeatedly received the messages until 
> the Message["buffer-percent"]=100
> 
> "GstMessageBuffering"
> 
> Message["buffer-percent"]=...
> Message["buffering-mode"]=....
> Message["avg-in-rate"]=...
> Message["avg-out-rate"]=...
> Message["buffering-left"]=...
> 
> 2.    After having stopped the pipeline, I repeatedly _and for some 
> time_ received the messages
> 
> "GstMessageStateChanged"
> 
> Message["old-state"]=playing
> 
> Message["new-state"]=paused
> 
> 3.    Some time later I repeatedly received the messages
> 
> "GstMessageStateChanged"
> 
> Message["old-state"]=paused
> 
> Message["new-state"]=ready
> 
> My questions:
> 
> Is number 3 the moment when the buffer has been fully transferred to the 
> file?
> 
> Do the "new-state" messages correspond with MediaPipeline.State?
> 
> Best regards
> 
> Claus
> 

No idea. I don't think it's written in GStreamer documentation, so you 
have to read the GStreamer source code to know exactly when the file is 
flushed to the disk.

Regards,

-- 
Benoît Minisini.