diff options
Diffstat (limited to 'openbsc/include/openbsc/mgcp_internal.h')
| -rw-r--r-- | openbsc/include/openbsc/mgcp_internal.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/openbsc/include/openbsc/mgcp_internal.h b/openbsc/include/openbsc/mgcp_internal.h index a9d51494b..dc00112d3 100644 --- a/openbsc/include/openbsc/mgcp_internal.h +++ b/openbsc/include/openbsc/mgcp_internal.h @@ -23,8 +23,14 @@ #ifndef OPENBSC_MGCP_DATA_H #define OPENBSC_MGCP_DATA_H +#include <osmocom/core/msgb.h> #include <osmocom/core/select.h> +#include <sys/socket.h> +#include <netinet/in.h> + +#include <stdint.h> + #define CI_UNUSED 0 enum mgcp_connection_mode { @@ -53,6 +59,18 @@ struct mgcp_rtp_state { int32_t timestamp_offset; }; +/** + * I hold the state of the RTP compression. + */ +struct mgcp_rtp_compr_state { + uint32_t generated_ssrc; + uint32_t timestamp; + uint16_t sequence; + + /* on wire it is 8bit, so we can see overruns here */ + int16_t last_ts; +}; + struct mgcp_rtp_end { /* statistics */ unsigned int packets; @@ -122,6 +140,11 @@ struct mgcp_endpoint { /* tap for the endpoint */ struct mgcp_rtp_tap taps[MGCP_TAP_COUNT]; + + /* compression for this endpoint */ + int compr_enabled; + struct mgcp_rtp_compr_state compr_loc_state; + struct mgcp_rtp_compr_state compr_rem_state; }; #define ENDPOINT_NUMBER(endp) abs(endp - endp->tcfg->endpoints) @@ -150,5 +173,10 @@ static inline int endp_back_channel(int endpoint) struct mgcp_trunk_config *mgcp_trunk_alloc(struct mgcp_config *cfg, int index); struct mgcp_trunk_config *mgcp_trunk_num(struct mgcp_config *cfg, int index); +int rtp_compress(struct mgcp_rtp_compr_state *state, struct msgb *msg, + int endpoint, struct llist_head *rtp_packets); +struct llist_head rtp_decompress(struct mgcp_rtp_compr_state *state, void *ctx, + struct msgb *msg); + #endif |