119 lines
4.1 KiB
C
119 lines
4.1 KiB
C
/*
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Copyright (C) 2010 bg <bg_one@mail.ru>
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*/
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#ifndef CHAN_DONGLE_CPVT_H_INCLUDED
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#define CHAN_DONGLE_CPVT_H_INCLUDED
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#include "ast_config.h"
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#include <asterisk/linkedlists.h> /* AST_LIST_ENTRY() */
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#include <asterisk/frame.h> /* AST_FRIENDLY_OFFSET */
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#include "export.h" /* EXPORT_DECL EXPORT_DEF */
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#include "mixbuffer.h" /* struct mixstream */
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#include "mutils.h" /* enum2str() ITEMS_OF() */
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#define FRAME_SIZE 320
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typedef enum {
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CALL_STATE_MIN = 0,
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/* values from CLCC */
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CALL_STATE_ACTIVE = CALL_STATE_MIN, /*!< comes from CLCC */
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CALL_STATE_ONHOLD, /*!< comes from CLCC */
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CALL_STATE_DIALING, /*!< comes from CLCC */
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CALL_STATE_ALERTING, /*!< comes from CLCC */
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CALL_STATE_INCOMING, /*!< comes from CLCC */
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CALL_STATE_WAITING, /*!< comes from CLCC */
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CALL_STATE_RELEASED, /*!< on CEND or channel_hangup() called */
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CALL_STATE_INIT, /*!< channel_call() called */
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CALL_STATE_MAX = CALL_STATE_INIT
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} call_state_t;
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#define CALL_STATES_NUMBER (CALL_STATE_MAX - CALL_STATE_MIN + 1)
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typedef enum {
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CALL_FLAG_NONE = 0,
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CALL_FLAG_HOLD_OTHER = 1, /*!< external, from channel_call() hold other calls and dial this number */
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CALL_FLAG_NEED_HANGUP = 2, /*!< internal, require issue AT+CHUP or AT+CHLD=1x for call */
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CALL_FLAG_ACTIVATED = 4, /*!< internal, fd attached to channel fds list */
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CALL_FLAG_ALIVE = 8, /*!< internal, temporary, still listed in CLCC */
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CALL_FLAG_CONFERENCE = 16, /*!< external, from dial() begin conference after activate this call */
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CALL_FLAG_MASTER = 32, /*!< internal, channel fd[0] is pvt->audio_fd and fd[1] is timer fd */
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CALL_FLAG_BRIDGE_LOOP = 64, /*!< internal, found channel bridged to channel on same device */
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CALL_FLAG_BRIDGE_CHECK = 128, /*!< internal, we already do check for bridge loop */
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CALL_FLAG_MULTIPARTY = 256, /*!< internal, CLCC mpty is 1 */
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} call_flag_t;
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/* */
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typedef struct cpvt {
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AST_LIST_ENTRY (cpvt) entry; /*!< linked list pointers */
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struct ast_channel* channel; /*!< Channel pointer */
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struct pvt *pvt; /*!< pointer to device structure */
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short call_idx; /*!< device call ID */
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#define MIN_CALL_IDX 0
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#define MAX_CALL_IDX 31
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call_state_t state; /*!< see also call_state_t */
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int flags; /*!< see also call_flag_t */
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/* TODO: join with flags */
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unsigned int dir:1; /*!< call direction */
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#define CALL_DIR_OUTGOING 0
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#define CALL_DIR_INCOMING 1
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int rd_pipe[2]; /*!< pipe for split read from device */
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#define PIPE_READ 0
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#define PIPE_WRITE 1
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struct mixstream mixstream; /*!< mix stream */
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char a_read_buf[FRAME_SIZE + AST_FRIENDLY_OFFSET];/*!< audio read buffer */
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struct ast_frame a_read_frame; /*!< read frame buffer */
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// size_t write; /*!< write position in pvt->a_write_buf */
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// size_t used; /*!< bytes used in pvt->a_write_buf */
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// char a_write_buf[FRAME_SIZE * 5]; /*!< audio write buffer */
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// struct ringbuffer a_write_rb; /*!< audio ring buffer */
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} cpvt_t;
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#define CPVT_SET_FLAGS(cpvt, flag) do { (cpvt)->flags |= (flag); } while(0)
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#define CPVT_RESET_FLAGS(cpvt, flag) do { (cpvt)->flags &= ~((int)flag); } while(0)
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#define CPVT_TEST_FLAG(cpvt, flag) ((cpvt)->flags & (flag))
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#define CPVT_TEST_FLAGS(cpvt, flag) (((cpvt)->flags & (flag)) == (flag))
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#define CPVT_IS_MASTER(cpvt) CPVT_TEST_FLAG(cpvt, CALL_FLAG_MASTER)
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#define CPVT_IS_ACTIVE(cpvt) ((cpvt)->state == CALL_STATE_ACTIVE)
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#define CPVT_IS_SOUND_SOURCE(cpvt) ((cpvt)->state == CALL_STATE_ACTIVE || (cpvt)->state == CALL_STATE_DIALING || (cpvt)->state == CALL_STATE_ALERTING)
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EXPORT_DECL struct cpvt * cpvt_alloc(struct pvt * pvt, int call_idx, unsigned dir, call_state_t statem);
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EXPORT_DECL void cpvt_free(struct cpvt* cpvt);
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EXPORT_DECL struct cpvt * pvt_find_cpvt(struct pvt * pvt, int call_idx);
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EXPORT_DECL const char * pvt_call_dir(const struct pvt * pvt);
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#/* */
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INLINE_DECL const char * call_state2str(call_state_t state)
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{
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static const char * const states[] = {
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/* real device states */
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"active",
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"held",
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"dialing",
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"alerting",
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"incoming",
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"waiting",
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/* pseudo states */
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"released",
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"initialize"
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};
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return enum2str(state, states, ITEMS_OF(states));
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}
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#endif /* CHAN_DONGLE_CPVT_H_INCLUDED */
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