https://origsvn.digium.com/svn/asterisk/branches/1.4
........
r101989 | russell | 2008-02-01 17:06:32 -0600 (Fri, 01 Feb 2008) | 5 lines
Change the SDP_SAMPLE_RATE macro. It turns out that even though G.722 is 16 kHz,
it is supposed to specified as 8 kHz in the RTP, and RTP timestamps are supposed
to be calculated based on 8 kHz. (Apparently this is due to a bug in a spec, but
people follow it anyway, because it's the spec ...)
........
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@101990
65c4cc65-6c06-0410-ace0-
fbb531ad65f3
}
-#define SDP_SAMPLE_RATE(x) (x == AST_FORMAT_G722) ? 16000 : 8000
+/*!
+ * \note G.722 actually is supposed to specified as 8 kHz, even though it is
+ * really 16 kHz. Update this macro for other formats as they are added in
+ * the future.
+ */
+#define SDP_SAMPLE_RATE(x) 8000
/*! \brief Add Session Description Protocol message