[asterisk-dev] ast_frame allocation/free question

[Simon Perreault]

On Tuesday 27 November 2007 15:11:14 Kevin P. Fleming wrote:
> This makes no sense; once chan_sip has fed you a frame of audio data,
> why should it care who frees it, and more importantly, how could it
> possibly know that the frame is no longer needed?

This is getting me very confused. Isn't it exactly the same situation that the 
app faces? Once the app has fed the channel a frame of audio data, how could 
it possibly know that the frame is no longer needed?