obs-StreamFX/source/plugin.h

/*
 * Modern effects for a modern Streamer
 * Copyright (C) 2017 Michael Fabian Dirks
 *
 * 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
 */

#pragma once
#include <inttypes.h>
#include <list>
#include <functional>

#pragma warning (push)
#pragma warning (disable: 4201)
#include "obs-module.h"
#include "util/platform.h"
#pragma warning (pop)

// Plugin
#define PLUGIN_NAME					"Stream Effects"
#include "version.h"

#define P_LOG(level, ...)				blog(level, "[" PLUGIN_NAME "] " __VA_ARGS__);
#define P_LOG_ERROR(...)				P_LOG(LOG_ERROR,   __VA_ARGS__)
#define P_LOG_WARNING(...)				P_LOG(LOG_WARNING, __VA_ARGS__)
#define P_LOG_INFO(...)					P_LOG(LOG_INFO,    __VA_ARGS__)
#define P_LOG_DEBUG(...)				P_LOG(LOG_DEBUG,   __VA_ARGS__)

// Utility
#define vstr(s) dstr(s)
#define dstr(s) #s

#define clamp(val,low,high) (val > high ? high : (val < low ? low : val))
#ifdef max
#undef max
#endif
#define max(val,high) (val > high ? val : high)
#ifdef min
#undef min
#endif
#define min(val,low ) (val < low  ? val  : low)

#ifndef __FUNCTION_NAME__
#if defined(_WIN32) || defined(_WIN64)   //WINDOWS
#define __FUNCTION_NAME__   __FUNCTION__
#else          //*NIX
#define __FUNCTION_NAME__   __func__
#endif
#endif

#ifdef __cplusplus
#define INITIALIZER(f) \
        static void f(void); \
        struct f##_t_ { f##_t_(void) { f(); } }; static f##_t_ f##_; \
        static void f(void)
#elif defined(_MSC_VER)
#pragma section(".CRT$XCU",read)
#define INITIALIZER2_(f,p) \
        static void f(void); \
        __declspec(allocate(".CRT$XCU")) void (*f##_)(void) = f; \
        __pragma(comment(linker,"/include:" p #f "_")) \
        static void f(void)
#ifdef _WIN64
#define INITIALIZER(f) INITIALIZER2_(f,"")
#else
#define INITIALIZER(f) INITIALIZER2_(f,"_")
#endif
#else
#define INITIALIZER(f) \
        static void f(void) __attribute__((constructor)); \
        static void f(void)
#endif

// Initializer & Finalizer
extern std::list<std::function<void()>> initializerFunctions;
extern std::list<std::function<void()>> finalizerFunctions;