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