mgcp: Add callbacks for payload processing

This patch adds the callbacks rtp_processing_cb and
setup_rtp_processing_cb to mgcp_config to support arbitrary RTP
payload processing.

Sponsored-by: On-Waves ehf

1 files changed, 10 insertions, 0 deletions

diff --git a/openbsc/include/openbsc/mgcp.h b/openbsc/include/openbsc/mgcp.h
index 939e7eed1..34eb42955 100644
--- a/openbsc/include/openbsc/mgcp.h
+++ b/openbsc/include/openbsc/mgcp.h
@@ -65,6 +65,7 @@ static inline int rtp_calculate_port(int multiplex, int base)
 struct mgcp_endpoint;
 struct mgcp_config;
 struct mgcp_trunk_config;
+struct mgcp_rtp_end;
 
 #define MGCP_ENDP_CRCX 1
 #define MGCP_ENDP_DLCX 2
@@ -86,6 +87,11 @@ typedef int (*mgcp_policy)(struct mgcp_trunk_config *cfg, int endpoint, int stat
 typedef int (*mgcp_reset)(struct mgcp_trunk_config *cfg);
 typedef int (*mgcp_rqnt)(struct mgcp_endpoint *endp, char tone);
 
+typedef int (*mgcp_processing)(struct mgcp_rtp_end *dst_end,
+			       char *data, int *len, int buf_size);
+typedef int (*mgcp_processing_setup)(struct mgcp_endpoint *endp,
+				     struct mgcp_rtp_end *dst_end,
+				     struct mgcp_rtp_end *src_end);
 #define PORT_ALLOC_STATIC	0
 #define PORT_ALLOC_DYNAMIC	1
 
@@ -156,6 +162,10 @@ struct mgcp_config {
 	struct in_addr transcoder_in;
 	int transcoder_remote_base;
 
+	/* RTP processing */
+	mgcp_processing rtp_processing_cb;
+	mgcp_processing_setup setup_rtp_processing_cb;
+
 	struct osmo_wqueue gw_fd;
 
 	struct mgcp_port_range bts_ports;