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/*
linphone
Copyright (C) 2016 Belledonne Communications <info@belledonne-communications.com>

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

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#include "linphone/factory.h"
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#include "c-wrapper/c-wrapper.h"
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// TODO: From coreapi. Remove me later.
#include "private.h"

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#ifndef PACKAGE_SOUND_DIR
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	#define PACKAGE_SOUND_DIR "."
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#endif
#ifndef PACKAGE_RING_DIR
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	#define PACKAGE_RING_DIR "."
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#endif

#ifndef PACKAGE_DATA_DIR
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	#define PACKAGE_DATA_DIR "."
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#endif

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extern LinphoneAddress *_linphone_address_new(const char *addr);

typedef belle_sip_object_t_vptr_t LinphoneFactory_vptr_t;

struct _LinphoneFactory {
	belle_sip_object_t base;
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	bctbx_list_t *supported_video_definitions;

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	/*these are the directories set by the application*/
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	char *top_resources_dir;
	char *data_resources_dir;
	char *sound_resources_dir;
	char *ring_resources_dir;
	char *image_resources_dir;
	char *msplugins_dir;
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	/*these are the cached result computed from directories set by the application*/
	char *cached_data_resources_dir;
	char *cached_sound_resources_dir;
	char *cached_ring_resources_dir;
	char *cached_image_resources_dir;
	char *cached_msplugins_dir;
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	LinphoneErrorInfo* ei;
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	void *user_data;
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};

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static void linphone_factory_uninit(LinphoneFactory *obj){
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	bctbx_list_free_with_data(obj->supported_video_definitions, (bctbx_list_free_func)linphone_video_definition_unref);

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	STRING_RESET(obj->top_resources_dir);
	STRING_RESET(obj->data_resources_dir);
	STRING_RESET(obj->sound_resources_dir);
	STRING_RESET(obj->ring_resources_dir);
	STRING_RESET(obj->image_resources_dir);
	STRING_RESET(obj->msplugins_dir);
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	STRING_RESET(obj->cached_data_resources_dir);
	STRING_RESET(obj->cached_sound_resources_dir);
	STRING_RESET(obj->cached_ring_resources_dir);
	STRING_RESET(obj->cached_image_resources_dir);
	STRING_RESET(obj->cached_msplugins_dir);
}

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BELLE_SIP_DECLARE_NO_IMPLEMENTED_INTERFACES(LinphoneFactory);
BELLE_SIP_INSTANCIATE_VPTR(LinphoneFactory, belle_sip_object_t,
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	linphone_factory_uninit, // destroy
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	NULL, // clone
	NULL, // Marshall
	FALSE
);

static LinphoneFactory *_factory = NULL;

static void _linphone_factory_destroying_cb(void) {
	if (_factory != NULL) {
		belle_sip_object_unref(_factory);
		_factory = NULL;
	}
}

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#define ADD_SUPPORTED_VIDEO_DEFINITION(factory, width, height, name) \
	(factory)->supported_video_definitions = bctbx_list_append((factory)->supported_video_definitions, \
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		linphone_video_definition_new(width, height, name))
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static void initialize_supported_video_definitions(LinphoneFactory *factory) {
#if !defined(__ANDROID__) && !TARGET_OS_IPHONE
	ADD_SUPPORTED_VIDEO_DEFINITION(factory, MS_VIDEO_SIZE_1080P_W, MS_VIDEO_SIZE_1080P_H, "1080p");
#endif
#if !defined(__ANDROID__) && !TARGET_OS_MAC /*limit to most common sizes because mac video API cannot list supported resolutions*/
	ADD_SUPPORTED_VIDEO_DEFINITION(factory, MS_VIDEO_SIZE_UXGA_W, MS_VIDEO_SIZE_UXGA_H, "uxga");
	ADD_SUPPORTED_VIDEO_DEFINITION(factory, MS_VIDEO_SIZE_SXGA_MINUS_W, MS_VIDEO_SIZE_SXGA_MINUS_H, "sxga-");
#endif
	ADD_SUPPORTED_VIDEO_DEFINITION(factory, MS_VIDEO_SIZE_720P_W, MS_VIDEO_SIZE_720P_H, "720p");
#if !defined(__ANDROID__) && !TARGET_OS_MAC
	ADD_SUPPORTED_VIDEO_DEFINITION(factory, MS_VIDEO_SIZE_XGA_W, MS_VIDEO_SIZE_XGA_H, "xga");
#endif
#if !defined(__ANDROID__) && !TARGET_OS_IPHONE
	ADD_SUPPORTED_VIDEO_DEFINITION(factory, MS_VIDEO_SIZE_SVGA_W, MS_VIDEO_SIZE_SVGA_H, "svga");
	ADD_SUPPORTED_VIDEO_DEFINITION(factory, MS_VIDEO_SIZE_4CIF_W, MS_VIDEO_SIZE_4CIF_H, "4cif");
#endif
	ADD_SUPPORTED_VIDEO_DEFINITION(factory, MS_VIDEO_SIZE_VGA_W, MS_VIDEO_SIZE_VGA_H, "vga");
#if TARGET_OS_IPHONE
	ADD_SUPPORTED_VIDEO_DEFINITION(factory, MS_VIDEO_SIZE_IOS_MEDIUM_H, MS_VIDEO_SIZE_IOS_MEDIUM_W, "ios-medium");
#endif
	ADD_SUPPORTED_VIDEO_DEFINITION(factory, MS_VIDEO_SIZE_CIF_W, MS_VIDEO_SIZE_CIF_H, "cif");
#if !TARGET_OS_MAC || TARGET_OS_IPHONE /* OS_MAC is 1 for iPhone, but we need QVGA */
	ADD_SUPPORTED_VIDEO_DEFINITION(factory, MS_VIDEO_SIZE_QVGA_W, MS_VIDEO_SIZE_QVGA_H, "qvga");
#endif
	ADD_SUPPORTED_VIDEO_DEFINITION(factory, MS_VIDEO_SIZE_QCIF_W, MS_VIDEO_SIZE_QCIF_H, "qcif");
}

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static LinphoneFactory *linphone_factory_new(void){
	LinphoneFactory *factory = belle_sip_object_new(LinphoneFactory);
	factory->top_resources_dir = bctbx_strdup(PACKAGE_DATA_DIR);
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	initialize_supported_video_definitions(factory);
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	return factory;
}


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LinphoneFactory *linphone_factory_get(void) {
	if (_factory == NULL) {
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		_factory = linphone_factory_new();
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		atexit(_linphone_factory_destroying_cb);
	}
	return _factory;
}

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void linphone_factory_clean(void){
	if (_factory){
		belle_sip_object_unref(_factory);
		_factory = NULL;
	}
}

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static LinphoneCore *_linphone_factory_create_core (
	const LinphoneFactory *factory,
	LinphoneCoreCbs *cbs,
	const char *config_path,
	const char *factory_config_path,
	void *user_data,
	void *system_context,
	bool_t automatically_start
) {
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	bctbx_init_logger(FALSE);
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	LpConfig *config = lp_config_new_with_factory(config_path, factory_config_path);
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	LinphoneCore *lc = _linphone_core_new_with_config(cbs, config, user_data, system_context, automatically_start);
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	lp_config_unref(config);
	return lc;
}

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LinphoneCore *linphone_factory_create_core (
	const LinphoneFactory *factory,
	LinphoneCoreCbs *cbs,
	const char *config_path,
	const char *factory_config_path
) {
	return _linphone_factory_create_core(factory, cbs, config_path, factory_config_path, NULL, NULL, TRUE);
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}

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LinphoneCore *linphone_factory_create_core_2 (
	const LinphoneFactory *factory,
	LinphoneCoreCbs *cbs,
	const char *config_path,
	const char *factory_config_path,
	void *user_data,
	void *system_context
) {
	return _linphone_factory_create_core(factory, cbs, config_path, factory_config_path, user_data, system_context, TRUE);
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}

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LinphoneCore *linphone_factory_create_core_3 (
	const LinphoneFactory *factory,
	const char *config_path,
	const char *factory_config_path,
	void *system_context
) {
	return _linphone_factory_create_core(factory, NULL, config_path, factory_config_path, NULL, system_context, FALSE);
}

LinphoneCore *linphone_factory_create_core_with_config (
	const LinphoneFactory *factory,
	LinphoneCoreCbs *cbs,
	LinphoneConfig *config
) {
	return _linphone_core_new_with_config(cbs, config, NULL, NULL, TRUE);
}

LinphoneCore *linphone_factory_create_core_with_config_2 (
	const LinphoneFactory *factory,
	LinphoneCoreCbs *cbs,
	LinphoneConfig *config,
	void *user_data,
	void *system_context
) {
	return _linphone_core_new_with_config(cbs, config, user_data, system_context, TRUE);
}

LinphoneCore *linphone_factory_create_core_with_config_3 (
	const LinphoneFactory *factory,
	LinphoneConfig *config,
	void *system_context
) {
	return _linphone_core_new_with_config(NULL, config, NULL, system_context, FALSE);
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}

LinphoneCoreCbs *linphone_factory_create_core_cbs(const LinphoneFactory *factory) {
	return _linphone_core_cbs_new();
}

LinphoneAddress *linphone_factory_create_address(const LinphoneFactory *factory, const char *addr) {
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	return linphone_address_new(addr);
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}

LinphoneAuthInfo *linphone_factory_create_auth_info(const LinphoneFactory *factory, const char *username, const char *userid, const char *passwd, const char *ha1, const char *realm, const char *domain) {
	return linphone_auth_info_new(username, userid, passwd, ha1, realm, domain);
}
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LinphoneCallCbs * linphone_factory_create_call_cbs(const LinphoneFactory *factory) {
	return _linphone_call_cbs_new();
}

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LinphoneVcard *linphone_factory_create_vcard(LinphoneFactory *factory) {
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	return _linphone_vcard_new();
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}
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LinphoneVideoDefinition * linphone_factory_create_video_definition(const LinphoneFactory *factory, unsigned int width, unsigned int height) {
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	LinphoneVideoDefinition *supported = linphone_factory_find_supported_video_definition(factory, width, height);
	return supported ? linphone_video_definition_clone(supported) : linphone_video_definition_new(width, height, NULL);
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}

LinphoneVideoDefinition * linphone_factory_create_video_definition_from_name(const LinphoneFactory *factory, const char *name) {
	unsigned int width = 0;
	unsigned int height = 0;
	LinphoneVideoDefinition *vdef = linphone_factory_find_supported_video_definition_by_name(factory, name);
	if (vdef != NULL) return vdef;
	if (sscanf(name, "%ux%u", &width, &height) == 2) {
		return linphone_video_definition_new(width, height, NULL);
	}
	return linphone_video_definition_new(0, 0, NULL);
}

const bctbx_list_t * linphone_factory_get_supported_video_definitions(const LinphoneFactory *factory) {
	return factory->supported_video_definitions;
}

LinphoneVideoDefinition * linphone_factory_find_supported_video_definition(const LinphoneFactory *factory, unsigned int width, unsigned int height) {
	const bctbx_list_t *item;
	const bctbx_list_t *supported = linphone_factory_get_supported_video_definitions(factory);
	LinphoneVideoDefinition *searched_vdef = linphone_video_definition_new(width, height, NULL);
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	LinphoneVideoDefinition *found = NULL;
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	for (item = supported; item != NULL; item = bctbx_list_next(item)) {
		LinphoneVideoDefinition *svdef = (LinphoneVideoDefinition *)bctbx_list_get_data(item);
		if (linphone_video_definition_equals(svdef, searched_vdef)) {
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			found = svdef;
			break;
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		}
	}
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	linphone_video_definition_unref(searched_vdef);
	return found;
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}

LinphoneVideoDefinition * linphone_factory_find_supported_video_definition_by_name(const LinphoneFactory *factory, const char *name) {
	const bctbx_list_t *item;
	const bctbx_list_t *supported = linphone_factory_get_supported_video_definitions(factory);

	for (item = supported; item != NULL; item = bctbx_list_next(item)) {
		LinphoneVideoDefinition *svdef = (LinphoneVideoDefinition *)bctbx_list_get_data(item);
		if (strcmp(linphone_video_definition_get_name(svdef), name) == 0) {
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			return svdef;
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		}
	}
	return NULL;
}

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const char * linphone_factory_get_top_resources_dir(const LinphoneFactory *factory) {
	return factory->top_resources_dir;
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}

void linphone_factory_set_top_resources_dir(LinphoneFactory *factory, const char *path) {
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	STRING_SET(factory->top_resources_dir, path);
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}

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const char * linphone_factory_get_data_resources_dir(LinphoneFactory *factory) {
	if (factory->data_resources_dir) return factory->data_resources_dir;
	if (factory->top_resources_dir){
		STRING_TRANSFER(factory->cached_data_resources_dir, bctbx_strdup_printf("%s/linphone", factory->top_resources_dir));
	}else{
		STRING_TRANSFER(factory->cached_data_resources_dir, bctbx_strdup_printf("%s/linphone", PACKAGE_DATA_DIR));
	}
	return factory->cached_data_resources_dir;
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}

void linphone_factory_set_data_resources_dir(LinphoneFactory *factory, const char *path) {
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	STRING_SET(factory->data_resources_dir, path);
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}

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const char * linphone_factory_get_sound_resources_dir(LinphoneFactory *factory) {
	if (factory->sound_resources_dir) return factory->sound_resources_dir;
	if (factory->top_resources_dir){
		STRING_TRANSFER(factory->cached_sound_resources_dir, bctbx_strdup_printf("%s/sounds/linphone", factory->top_resources_dir));
		return factory->cached_sound_resources_dir;
	}
	return PACKAGE_SOUND_DIR;
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}

void linphone_factory_set_sound_resources_dir(LinphoneFactory *factory, const char *path) {
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	STRING_SET(factory->sound_resources_dir, path);
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}

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const char * linphone_factory_get_ring_resources_dir(LinphoneFactory *factory) {
	if (factory->ring_resources_dir) return factory->ring_resources_dir;
	if (factory->sound_resources_dir){
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		STRING_TRANSFER(factory->cached_ring_resources_dir, bctbx_strdup_printf("%s/rings", factory->sound_resources_dir));
		return factory->cached_ring_resources_dir;
	}
	if (factory->top_resources_dir) {
		STRING_TRANSFER(factory->cached_ring_resources_dir, bctbx_strdup_printf("%s/sounds/linphone/rings", factory->top_resources_dir));
		return factory->cached_ring_resources_dir;
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	}
	return PACKAGE_RING_DIR;
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}

void linphone_factory_set_ring_resources_dir(LinphoneFactory *factory, const char *path) {
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	STRING_SET(factory->ring_resources_dir, path);
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}

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const char * linphone_factory_get_image_resources_dir(LinphoneFactory *factory) {
	if (factory->image_resources_dir) return factory->image_resources_dir;
	if (factory->top_resources_dir) {
		STRING_TRANSFER(factory->cached_image_resources_dir, bctbx_strdup_printf("%s/images", factory->top_resources_dir));
	}else{
		STRING_TRANSFER(factory->cached_image_resources_dir, bctbx_strdup_printf("%s/images", PACKAGE_DATA_DIR));
	}
	return factory->cached_image_resources_dir;
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}

void linphone_factory_set_image_resources_dir(LinphoneFactory *factory, const char *path) {
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	STRING_SET(factory->image_resources_dir, path);
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}

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const char * linphone_factory_get_msplugins_dir(LinphoneFactory *factory) {
	return factory->msplugins_dir;
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}

void linphone_factory_set_msplugins_dir(LinphoneFactory *factory, const char *path) {
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	STRING_SET(factory->msplugins_dir, path);
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}
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LinphoneErrorInfo *linphone_factory_create_error_info(LinphoneFactory *factory){
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	return linphone_error_info_new();
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}
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LinphoneRange *linphone_factory_create_range(LinphoneFactory *factory) {
	return linphone_range_new();
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}

LinphoneTransports *linphone_factory_create_transports(LinphoneFactory *factory) {
	return linphone_transports_new();
}

LinphoneVideoActivationPolicy *linphone_factory_create_video_activation_policy(LinphoneFactory *factory) {
	return linphone_video_activation_policy_new();
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}
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LinphoneContent *linphone_factory_create_content(LinphoneFactory *factory) {
	return linphone_content_new();
}

LinphoneBuffer *linphone_factory_create_buffer(LinphoneFactory *factory) {
	return linphone_buffer_new();
}

LinphoneBuffer *linphone_factory_create_buffer_from_data(LinphoneFactory *factory, const uint8_t *data, size_t size) {
	return linphone_buffer_new_from_data(data, size);
}

LinphoneBuffer *linphone_factory_create_buffer_from_string(LinphoneFactory *factory, const char *data) {
	return linphone_buffer_new_from_string(data);
}

LinphoneConfig *linphone_factory_create_config(LinphoneFactory *factory, const char *path) {
	return linphone_config_new(path);
}

LinphoneConfig *linphone_factory_create_config_with_factory(LinphoneFactory *factory, const char *path, const char *factory_path) {
	return linphone_config_new_with_factory(path, factory_path);
}

LinphoneConfig *linphone_factory_create_config_from_string(LinphoneFactory *factory, const char *data) {
	return linphone_config_new_from_buffer(data);
}

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const bctbx_list_t * linphone_factory_get_dial_plans(const LinphoneFactory *factory) {
	return linphone_dial_plan_get_all_list();
}

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void *linphone_factory_get_user_data(const LinphoneFactory *factory) {
	return factory->user_data;
}

void linphone_factory_set_user_data(LinphoneFactory *factory, void *data) {
	factory->user_data = data;
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}

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void linphone_factory_set_log_collection_path(LinphoneFactory *factory, const char *path) {
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	linphone_core_set_log_collection_path(path);
}

void linphone_factory_enable_log_collection(LinphoneFactory *factory, LinphoneLogCollectionState state) {
	linphone_core_enable_log_collection(state);
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}