157 lines
5.5 KiB
C
157 lines
5.5 KiB
C
/*
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* Copyright 2008-2014 Arsen Chaloyan
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* $Id: mrcp_engine_types.h 2136 2014-07-04 06:33:36Z achaloyan@gmail.com $
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*/
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#ifndef MRCP_ENGINE_TYPES_H
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#define MRCP_ENGINE_TYPES_H
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/**
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* @file mrcp_engine_types.h
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* @brief MRCP Engine Types
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*/
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#include <apr_tables.h>
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#include "mrcp_state_machine.h"
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#include "mpf_types.h"
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#include "apt_string.h"
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APT_BEGIN_EXTERN_C
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/** MRCP engine declaration */
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typedef struct mrcp_engine_t mrcp_engine_t;
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/** MRCP engine config declaration */
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typedef struct mrcp_engine_config_t mrcp_engine_config_t;
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/** MRCP engine vtable declaration */
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typedef struct mrcp_engine_method_vtable_t mrcp_engine_method_vtable_t;
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/** MRCP engine event vtable declaration */
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typedef struct mrcp_engine_event_vtable_t mrcp_engine_event_vtable_t;
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/** MRCP engine channel declaration */
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typedef struct mrcp_engine_channel_t mrcp_engine_channel_t;
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/** MRCP engine channel virtual method table declaration */
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typedef struct mrcp_engine_channel_method_vtable_t mrcp_engine_channel_method_vtable_t;
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/** MRCP engine channel virtual event table declaration */
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typedef struct mrcp_engine_channel_event_vtable_t mrcp_engine_channel_event_vtable_t;
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/** Table of channel virtual methods */
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struct mrcp_engine_channel_method_vtable_t {
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/** Virtual destroy */
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apt_bool_t (*destroy)(mrcp_engine_channel_t *channel);
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/** Virtual open */
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apt_bool_t (*open)(mrcp_engine_channel_t *channel);
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/** Virtual close */
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apt_bool_t (*close)(mrcp_engine_channel_t *channel);
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/** Virtual process_request */
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apt_bool_t (*process_request)(mrcp_engine_channel_t *channel, mrcp_message_t *request);
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};
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/** Table of channel virtual event handlers */
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struct mrcp_engine_channel_event_vtable_t {
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/** Open event handler */
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apt_bool_t (*on_open)(mrcp_engine_channel_t *channel, apt_bool_t status);
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/** Close event handler */
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apt_bool_t (*on_close)(mrcp_engine_channel_t *channel);
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/** Message event handler */
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apt_bool_t (*on_message)(mrcp_engine_channel_t *channel, mrcp_message_t *message);
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};
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/** MRCP engine channel declaration */
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struct mrcp_engine_channel_t {
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/** Table of virtual methods */
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const mrcp_engine_channel_method_vtable_t *method_vtable;
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/** External object used with virtual methods */
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void *method_obj;
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/** Table of virtual event handlers */
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const mrcp_engine_channel_event_vtable_t *event_vtable;
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/** External object used with event handlers */
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void *event_obj;
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/** Media termination */
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mpf_termination_t *termination;
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/** Back pointer to engine */
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mrcp_engine_t *engine;
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/** Unique identifier to be used in traces */
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apt_str_t id;
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/** MRCP version */
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mrcp_version_e mrcp_version;
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/** Is channel successfully opened */
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apt_bool_t is_open;
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/** Pool to allocate memory from */
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apr_pool_t *pool;
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};
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/** Table of MRCP engine virtual methods */
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struct mrcp_engine_method_vtable_t {
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/** Virtual destroy */
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apt_bool_t (*destroy)(mrcp_engine_t *engine);
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/** Virtual open */
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apt_bool_t (*open)(mrcp_engine_t *engine);
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/** Virtual close */
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apt_bool_t (*close)(mrcp_engine_t *engine);
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/** Virtual channel create */
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mrcp_engine_channel_t* (*create_channel)(mrcp_engine_t *engine, apr_pool_t *pool);
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};
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/** Table of MRCP engine virtual event handlers */
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struct mrcp_engine_event_vtable_t {
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/** Open event handler */
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apt_bool_t (*on_open)(mrcp_engine_t *channel, apt_bool_t status);
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/** Close event handler */
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apt_bool_t (*on_close)(mrcp_engine_t *channel);
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};
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/** MRCP engine */
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struct mrcp_engine_t {
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/** Identifier of the engine */
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const char *id;
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/** Resource identifier */
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mrcp_resource_id resource_id;
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/** External object associated with engine */
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void *obj;
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/** Table of virtual methods */
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const mrcp_engine_method_vtable_t *method_vtable;
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/** Table of virtual event handlers */
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const mrcp_engine_event_vtable_t *event_vtable;
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/** External object used with event handlers */
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void *event_obj;
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/** Codec manager */
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const mpf_codec_manager_t *codec_manager;
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/** Dir layout structure */
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const apt_dir_layout_t *dir_layout;
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/** Config of engine */
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mrcp_engine_config_t *config;
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/** Number of simultaneous channels currently in use */
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apr_size_t cur_channel_count;
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/** Is engine successfully opened */
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apt_bool_t is_open;
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/** Pool to allocate memory from */
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apr_pool_t *pool;
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/** Create state machine */
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mrcp_state_machine_t* (*create_state_machine)(void *obj, mrcp_version_e version, apr_pool_t *pool);
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};
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/** MRCP engine config */
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struct mrcp_engine_config_t {
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/** Max number of simultaneous channels */
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apr_size_t max_channel_count;
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/** Table of name/value string params */
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apr_table_t *params;
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};
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APT_END_EXTERN_C
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#endif /* MRCP_ENGINE_TYPES_H */
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