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Re: [Linphone-developers] sound card block size different.
From: |
Simon Morlat |
Subject: |
Re: [Linphone-developers] sound card block size different. |
Date: |
Wed, 8 Mar 2006 14:53:06 +0100 |
User-agent: |
KMail/1.9.1 |
>
> btw, Simon, the RFC says (5.1 RTP Fixed Header Fields):
> "If RTP packets are generated
> periodically, the nominal sampling instant as determined from
> the sampling clock is to be used, not a reading of the system
> clock. As an example, for fixed-rate audio the timestamp clock
> would likely increment by one for each sampling period. If an
> audio application reads blocks covering 160 sampling periods
> from the input device, the timestamp would be increased by 160
> for each such block, regardless of whether the block is
> transmitted in a packet or dropped as silent."
>
> Is this what you are doing with r->ts+=r->ts_inc; in get_new_timestamp()?
Exact. ts_inc is the number of sample per packet.