FreeCalypso > hg > themwi-system-sw
view libsip/sdp.h @ 199:e6c7ced3c031
mgw: accept zero-length RTP payload as BFI
Mainline OsmoBTS now has an option (rtp continuous-streaming)
that causes it to emit an RTP packet every 20 ms without gaps,
sending a BFI marker in the form of zero-length RTP payload
when it has nothing else to send. These codec-independent
BFI markers don't indicate TAF, but this provision is a good
start. Accept this BFI packet format in themwi-mgw.
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Wed, 29 Mar 2023 20:23:43 -0800 |
| parents | 2423f3aac4ce |
| children |
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/* * This header file defines structures to be used for SDP * parsing and generation. */ struct sdp_parse { struct in_addr ip_addr; unsigned audio_port; unsigned codec_mask; }; struct sdp_gen { unsigned session_id; unsigned version; struct in_addr owner_ip; struct in_addr conn_ip; unsigned conn_port; unsigned codec_mask; }; #define SDP_CODEC_MASK_PCMU 1 #define SDP_CODEC_MASK_PCMA 2 #define SDP_CODEC_MASK_BOTH 3 #define SDP_CODEC_MASK_PCMA_PREF 4