85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
|
|
#include "../libtimer/timer.h"
|
|
#include "../libosmocc/endpoint.h"
|
|
#include "../libosmocc/helper.h"
|
|
#include "../libsample/sample.h"
|
|
#include "../libjitter/jitter.h"
|
|
#include "../libwave/wave.h"
|
|
#include "../libdtmf/dtmf_decode.h"
|
|
|
|
|
|
enum call_state {
|
|
CALL_STATE_IDLE = 0,
|
|
CALL_STATE_SETUP,
|
|
CALL_STATE_OVERLAP,
|
|
CALL_STATE_PROCEEDING,
|
|
CALL_STATE_ALERTING,
|
|
CALL_STATE_CONNECT,
|
|
CALL_STATE_DISC_FROM_ORIG,
|
|
CALL_STATE_DISC_FROM_TERM,
|
|
};
|
|
|
|
#include "routing.h"
|
|
|
|
/* relation to upper layer */
|
|
typedef struct call_relation {
|
|
struct call_relation *next;
|
|
int num; /* number counter for debugging */
|
|
struct call *call; /* points to the call */
|
|
uint32_t cc_callref; /* callref for each releation */
|
|
const char *sdp; /* received SDP? */
|
|
int tones_recv; /* are inband tones available? */
|
|
jitter_t orig_dejitter; /* jitter buffer for call recording (originating source) */
|
|
jitter_t term_dejitter; /* jitter buffer for call recording (terminating source) */
|
|
|
|
char interface[256]; /* interface */
|
|
char id[256]; /* caller ID / dialing*/
|
|
enum call_state state; /* state for status display */
|
|
|
|
int rtp_proxy;
|
|
osmo_cc_session_t *cc_session;
|
|
int codec_negotiated;
|
|
osmo_cc_session_codec_t *codec;
|
|
|
|
wave_play_t play; /* play a wave file */
|
|
int play_loop; /* set to play loop */
|
|
char play_filename[256];/* stored for reopen on loop */
|
|
double play_deviation; /* stored for reopen on loop */
|
|
wave_rec_t rec; /* record a wave file */
|
|
dtmf_dec_t dtmf_dec; /* dtmf decoder */
|
|
int dtmf_dec_enable;/* feed decoder with data */
|
|
} call_relation_t;
|
|
|
|
/* call instance */
|
|
typedef struct call {
|
|
struct call *next;
|
|
int num; /* number counter for debugging */
|
|
|
|
/* call */
|
|
enum call_state state; /* current state of call */
|
|
osmo_cc_msg_t *setup_msg; /* stored setup message for later IE forwarding */
|
|
char dialing_number[256]; /* accumulated dial string (setup + info) */
|
|
char dialing_keypad[256]; /* accumulated keypad string (setup + info) */
|
|
int forking; /* set, if call is forked (started with 2 or more calls) */
|
|
uint8_t collect_cause; /* cause from forking calls */
|
|
call_relation_t *relation_list; /* list of all upper layer relations */
|
|
/* NOTE: the first relation is always the originator */
|
|
int tones_sent; /* did we announce inband tones? */
|
|
int sdp_forwarded; /* if set, we cannot do RTP-Proxy anymore */
|
|
|
|
/* routing */
|
|
routing_t routing;
|
|
|
|
/* audio */
|
|
double tx_gain; /* gain of what is received from originator */
|
|
double rx_gain; /* gain of what is transmitted to the originator */
|
|
} call_t;
|
|
|
|
extern call_t *call_list;
|
|
|
|
int call_init(osmo_cc_endpoint_t *ep, const char *_routing_script, const char *_routing_shell);
|
|
void call_exit(void);
|
|
int call_handle(void);
|
|
void cc_message(osmo_cc_endpoint_t *ep, uint32_t callref, osmo_cc_msg_t *msg);
|
|
|