obs-studio/libobs/obs-module.h
jp9000 e610fd77ce Use C externs for obs-module.h
This allows inter-sharing of functions such as obs_module_text among
both C and C++ files
2014-08-29 11:20:28 -07:00

115 lines
3.9 KiB
C

/******************************************************************************
Copyright (C) 2014 by Hugh Bailey <obs.jim@gmail.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, see <http://www.gnu.org/licenses/>.
******************************************************************************/
#pragma once
#include "obs.h"
#ifdef __cplusplus
#define MODULE_EXPORT extern "C" EXPORT
#define MODULE_EXTERN extern "C"
#else
#define MODULE_EXPORT EXPORT
#define MODULE_EXTERN extern
#endif
/**
* @file
*
* This file is used by modules for module declaration and module exports.
*/
/** Required: Declares a libobs module. */
#define OBS_DECLARE_MODULE() \
static obs_module_t obs_module_pointer; \
MODULE_EXPORT void obs_module_set_pointer(obs_module_t module); \
void obs_module_set_pointer(obs_module_t module) \
{ \
obs_module_pointer = module; \
} \
obs_module_t obs_current_module(void) {return obs_module_pointer;} \
MODULE_EXPORT uint32_t obs_module_ver(void); \
uint32_t obs_module_ver(void) {return LIBOBS_API_VER;}
/**
* Required: Called when the module is loaded. Use this function to load all
* the sources/encoders/outputs/services for your module, or anything else that
* may need loading.
*
* @return Return true to continue loading the module, otherwise
* false to indcate failure and unload the module
*/
MODULE_EXPORT bool obs_module_load(void);
/** Optional: Called when the module is unloaded. */
MODULE_EXPORT void obs_module_unload(void);
/** Called to set the current locale data for the module. */
MODULE_EXPORT void obs_module_set_locale(const char *locale);
/** Called to free the current locale data for the module. */
MODULE_EXPORT void obs_module_free_locale(void);
/** Optional: Use this macro in a module to use default locale handling. */
#define OBS_MODULE_USE_DEFAULT_LOCALE(module_name, default_locale) \
lookup_t obs_module_lookup = NULL; \
const char *obs_module_text(const char *val) \
{ \
const char *out = val; \
text_lookup_getstr(obs_module_lookup, val, &out); \
return out; \
} \
void obs_module_set_locale(const char *locale) \
{ \
if (obs_module_lookup) text_lookup_destroy(obs_module_lookup); \
obs_module_lookup = obs_module_load_locale( \
obs_current_module(), \
default_locale, locale); \
} \
void obs_module_free_locale(void) \
{ \
text_lookup_destroy(obs_module_lookup); \
}
/** Helper function for looking up locale if default locale handler was used */
MODULE_EXTERN const char *obs_module_text(const char *lookup_string);
/** Helper function that returns the current module */
MODULE_EXTERN obs_module_t obs_current_module(void);
/**
* Returns the location to a module data file associated with the current
* module. Free with bfree when complete. Equivalent to:
* obs_find_module_file(obs_current_modile(), file);
*/
#define obs_module_file(file) obs_find_module_file(obs_current_module(), file)
/**
* Optional: Declares the author(s) of the module
*
* @param name Author name(s)
*/
#define OBS_MODULE_AUTHOR(name) \
MODULE_EXPORT const char *obs_module_author(void); \
const char *obs_module_author(void) {return name;}
/** Optional: Returns the full name of the module */
MODULE_EXPORT const char *obs_module_name(void);
/** Optional: Returns a description of the module */
MODULE_EXPORT const char *obs_module_description(void);