186 lines
5.9 KiB
C
186 lines
5.9 KiB
C
/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH mod_spandsp.
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*
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* The Initial Developer of the Original Code is
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* Massimo Cetra <devel@navynet.it>
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*
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Brian West <brian@freeswitch.org>
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* Anthony Minessale II <anthm@freeswitch.org>
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* Steve Underwood <steveu@coppice.org>
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* Antonio Gallo <agx@linux.it>
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* mod_spandsp.h -- applications provided by SpanDSP
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*
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*/
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#include <switch.h>
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#ifdef WIN32
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#define FAX_INVALID_SOCKET INVALID_HANDLE_VALUE
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typedef HANDLE zap_socket_t;
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#else
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#define FAX_INVALID_SOCKET -1
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typedef int zap_socket_t;
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#endif
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#define MY_EVENT_TDD_SEND_MESSAGE "TDD::SEND_MESSAGE"
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#define MY_EVENT_TDD_RECV_MESSAGE "TDD::RECV_MESSAGE"
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#define MAX_MODEMS 1024
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#define SPANDSP_EXPOSE_INTERNAL_STRUCTURES
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#include <spandsp.h>
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#define SPANDSP_EVENT_TXFAXRESULT "spandsp::txfaxresult"
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#define SPANDSP_EVENT_RXFAXRESULT "spandsp::rxfaxresult"
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#define SPANDSP_EVENT_TXFAXPAGERESULT "spandsp::txfaxpageresult"
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#define SPANDSP_EVENT_RXFAXPAGERESULT "spandsp::rxfaxpageresult"
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#define SPANDSP_EVENT_TXFAXNEGOCIATERESULT "spandsp::txfaxnegociateresult"
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#define SPANDSP_EVENT_RXFAXNEGOCIATERESULT "spandsp::rxfaxnegociateresult"
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/* The global stuff */
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struct spandsp_globals {
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switch_memory_pool_t *pool;
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switch_memory_pool_t *config_pool;
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switch_mutex_t *mutex;
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uint32_t total_sessions;
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short int use_ecm;
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short int verbose;
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short int disable_v17;
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short int enable_tep;
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short int enable_colour_fax;
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short int enable_image_resizing;
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short int enable_colour_to_bilevel;
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short int enable_grayscale_to_bilevel;
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short int enable_t38;
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short int enable_t38_request;
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short int enable_t38_insist;
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char *ident;
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char *header;
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char *timezone;
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char *prepend_string;
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char *spool;
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switch_thread_cond_t *cond;
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switch_mutex_t *cond_mutex;
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int modem_count;
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int modem_verbose;
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char *modem_context;
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char *modem_dialplan;
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char *modem_directory;
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switch_hash_t *tones;
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int tonedebug;
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int t38_tx_reinvite_packet_count;
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int t38_rx_reinvite_packet_count;
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};
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extern struct spandsp_globals spandsp_globals;
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typedef enum {
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FUNCTION_TX,
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FUNCTION_RX,
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FUNCTION_GW
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} mod_spandsp_fax_application_mode_t;
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/******************************************************************************
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* TONE DETECTION WITH CADENCE
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*/
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#define MAX_TONES 128
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#define STRLEN 128
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/**
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* Tone descriptor
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*
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* Defines a set of tones to look for
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*/
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struct tone_descriptor {
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/** The name of this descriptor set */
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const char *name;
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/** Describes the tones to watch */
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super_tone_rx_descriptor_t *spandsp_tone_descriptor;
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/** The mapping of tone id to key */
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char tone_keys[MAX_TONES][STRLEN];
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int idx;
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};
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typedef struct tone_descriptor tone_descriptor_t;
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switch_status_t tone_descriptor_create(tone_descriptor_t **descriptor, const char *name, switch_memory_pool_t *memory_pool);
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void tone_descriptor_destroy(tone_descriptor_t *descriptor);
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int tone_descriptor_add_tone(tone_descriptor_t *descriptor, const char *name);
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switch_status_t tone_descriptor_add_tone_element(tone_descriptor_t *descriptor, int tone_id, int freq1, int freq2, int min, int max);
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void mod_spandsp_fax_load(switch_memory_pool_t *pool);
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switch_status_t mod_spandsp_codecs_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool);
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switch_status_t mod_spandsp_dsp_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool);
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void mod_spandsp_fax_shutdown(void);
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void mod_spandsp_dsp_shutdown(void);
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void mod_spandsp_fax_event_handler(switch_event_t *event);
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void mod_spandsp_fax_process_fax(switch_core_session_t *session, const char *data, mod_spandsp_fax_application_mode_t app_mode);
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void mod_spandsp_fax_stop_fax(switch_core_session_t *session);
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switch_bool_t t38_gateway_start(switch_core_session_t *session, const char *app, const char *data);
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switch_status_t spandsp_stop_inband_dtmf_session(switch_core_session_t *session);
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switch_status_t spandsp_inband_dtmf_session(switch_core_session_t *session);
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switch_status_t callprogress_detector_start(switch_core_session_t *session, const char *name);
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switch_status_t callprogress_detector_stop(switch_core_session_t *session);
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switch_status_t spandsp_fax_detect_session(switch_core_session_t *session,
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const char *flags, int timeout, int tone_type,
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int hits, const char *app, const char *data, switch_tone_detect_callback_t callback);
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switch_status_t spandsp_fax_stop_detect_session(switch_core_session_t *session);
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void mod_spandsp_log_message(void *session, int level, const char *msg);
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switch_status_t load_configuration(switch_bool_t reload);
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void mod_spandsp_indicate_data(switch_core_session_t *session, switch_bool_t self, switch_bool_t on);
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switch_status_t spandsp_stop_tdd_encode_session(switch_core_session_t *session);
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switch_status_t spandsp_tdd_encode_session(switch_core_session_t *session, const char *text);
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switch_status_t spandsp_stop_tdd_decode_session(switch_core_session_t *session);
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switch_status_t spandsp_tdd_decode_session(switch_core_session_t *session);
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switch_status_t spandsp_tdd_send_session(switch_core_session_t *session, const char *text);
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/* For Emacs:
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* Local Variables:
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* mode:c
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* indent-tabs-mode:t
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* tab-width:4
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* c-basic-offset:4
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* End:
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* For VIM:
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* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
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*/
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