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