Initial commit (2)

2025-12-05 15:30:00 +01:00 · 2020-03-06 21:23:51 +01:00
parent db75874e87
commit da59e80dbe
9 changed files with 1717 additions and 0 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -0,0 +1,267 @@
+
+cmake_minimum_required(VERSION 3.8.0)
+project(vmix VERSION 0.0.1 LANGUAGES CXX C)
+
+set(CMAKE_VERBOSE_MAKEFILE ON CACHE BOOL "ON")
+set(CMAKE_INCLUDE_CURRENTDIR ON)
+set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules )
+include(MacroLogFeature)
+
+if(UNIX)
+    if (APPLE)
+        add_definitions(-DAPPLE)
+    else()
+        add_definitions(-DLINUX)
+    endif()
+    add_definitions(-DUNIX)
+elseif(WIN32)
+    add_definitions(-DWIN32)
+    add_definitions(-DMINGW32)
+endif(UNIX)
+
+# Include the CMake RC module
+include(CMakeRC)
+
+#
+# GSTREAMER
+#
+
+find_package(GStreamer 1.0.0 COMPONENTS base)
+macro_log_feature(GSTREAMER_FOUND "GStreamer"
+"Open Source Multiplatform Multimedia Framework"
+"http://gstreamer.freedesktop.org/" TRUE "1.0.0")
+macro_log_feature(GSTREAMER_BASE_LIBRARY_FOUND "GStreamer base library"
+"${GSTREAMER_BASE_LIBRARY}"
+"http://gstreamer.freedesktop.org/" FALSE "1.0.0")
+
+find_package(GStreamerPluginsBase 1.0.0 COMPONENTS app audio video pbutils gl)
+macro_log_feature(GSTREAMER_APP_LIBRARY_FOUND "GStreamer app library"
+"${GSTREAMER_APP_LIBRARY}"
+"http://gstreamer.freedesktop.org/" TRUE "1.0.0")
+
+macro_log_feature(GSTREAMER_AUDIO_LIBRARY_FOUND "GStreamer audio library"
+"${GSTREAMER_AUDIO_LIBRARY}"
+"http://gstreamer.freedesktop.org/" TRUE "1.0.0")
+
+macro_log_feature(GSTREAMER_VIDEO_LIBRARY_FOUND "GStreamer video library"
+"${GSTREAMER_VIDEO_LIBRARY}"
+"http://gstreamer.freedesktop.org/" TRUE "1.0.0")
+
+macro_log_feature(GSTREAMER_PBUTILS_LIBRARY_FOUND "GStreamer pbutils library"
+"${GSTREAMER_PBUTILS_LIBRARY}"
+"http://gstreamer.freedesktop.org/" TRUE "1.0.0")
+
+macro_log_feature(GSTREAMER_GL_LIBRARY_FOUND "GStreamer opengl library"
+"${GSTREAMER_GL_LIBRARY}"
+"http://gstreamer.freedesktop.org/" TRUE "1.0.0")
+
+# Various preprocessor definitions for GST
+add_definitions(-DGST_DISABLE_XML -DGST_DISABLE_LOADSAVE)
+
+# Basics
+find_package(GLIB2)
+macro_log_feature(GLIB2_FOUND "GLib" "GTK general-purpose utility library" "http://www.gtk.org/" TRUE)
+
+find_package(GObject)
+macro_log_feature(GOBJECT_FOUND "GObject" "GTK object-oriented framework" "http://www.gtk.org/" TRUE)
+
+set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
+find_package(Threads REQUIRED)
+set(THREAD_LIBRARY Threads::Threads)
+
+find_package(PNG REQUIRED)
+set(PNG_LIBRARY PNG::PNG)
+
+
+#
+# GLFW3
+#
+find_package(glfw3 3.3 REQUIRED)
+macro_log_feature(glfw3_FOUND "GLFW3" "Open Source, multi-platform library for OpenGL" "http://www.glfw.org/" TRUE)
+set(GLFW_LIBRARY glfw)
+
+set(OpenGL_GL_PREFERENCE "GLVND")
+find_package(OpenGL REQUIRED)
+
+#
+# GLM
+#
+find_package(glm REQUIRED)
+macro_log_feature(glm_FOUND "GLM" "OpenGL Mathematics" "https://glm.g-truc.net" TRUE)
+set(GLM_LIBRARY glm)
+
+#
+# GLAD
+#
+set(GLAD_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext/glad/include)
+add_library(GLAD "${CMAKE_CURRENT_SOURCE_DIR}/ext/glad/src/glad.c")
+message(STATUS "Compiling 'GLAD' generated at https://glad.dav1d.de/ -- ${GLAD_INCLUDE_DIR}.")
+
+#
+# DEAR IMGUI
+#
+set(IMGUI_SRCS
+    ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui/imgui.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui//imgui_demo.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui//imgui_draw.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui//imgui_widgets.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui/examples/imgui_impl_glfw.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui/examples/imgui_impl_opengl3.cpp
+)
+set(IMGUI_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext/imgui)
+add_library(IMGUI "${IMGUI_SRCS}")
+target_compile_definitions(IMGUI PRIVATE "IMGUI_IMPL_OPENGL_LOADER_GLAD")
+message(STATUS "Compiling 'Dear ImGui' from https://github.com/ocornut/imgui.git -- ${IMGUI_INCLUDE_DIR}.")
+
+#
+# ImGui Color Text Editor
+#
+set(TEXTEDIT_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext/ImGuiColorTextEdit)
+set(TEXTEDIT_SRCS
+    ${CMAKE_CURRENT_SOURCE_DIR}/ext/ImGuiColorTextEdit/TextEditor.cpp
+)
+message(STATUS "Including 'ImGuiColorTextEdit' from https://github.com/BalazsJako/ImGuiColorTextEdit -- ${TEXTEDIT_INCLUDE_DIR}.")
+
+#
+# TINY XML 2
+#
+set(TINYXML2_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext/tinyxml2)
+add_library(TINYXML2 "${CMAKE_CURRENT_SOURCE_DIR}/ext/tinyxml2/tinyxml2.cpp")
+message(STATUS "Compiling 'TinyXML2' from https://github.com/leethomason/tinyxml2.git -- ${TINYXML2_INCLUDE_DIR}.")
+
+#
+# STB
+#
+set(STB_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext/stb)
+add_definitions(-DIMGUI_USE_STB_SPRINTF)
+message(STATUS "Including 'STB Nothings' from https://github.com/nothings/stb -- ${STB_INCLUDE_DIR}.")
+
+#
+# DIRENT
+#
+if(WIN32)
+    set(DIRENT_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext)
+    message(STATUS "Including 'Dirent' from https://github.com/tronkko/dirent -- ${DIRENT_INCLUDE_DIR}.")
+endif( WIN32 )
+
+#
+# TINY FILE DIALOG
+#
+set(TINYFD_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ext/tinyfiledialogs)
+add_library(TINYFD "${CMAKE_CURRENT_SOURCE_DIR}/ext/tinyfiledialogs/tinyfiledialogs.c")
+message(STATUS "Compiling 'TinyFileDialog' from https://github.com/native-toolkit/tinyfiledialogs.git -- ${TINYFD_INCLUDE_DIR}.")
+
+#
+# BOXER - NATIVE MESSAGE DIALOG
+#
+#add_subdirectory(ext/Boxer)
+#set(BOXER_INCLUDE_DIR ${Boxer_SOURCE_DIR}/include)
+#set(BOXER_LIBRARY Boxer)
+#message(STATUS "Including 'Boxer' from https://github.com/aaronmjacobs/Boxer.git -- ${BOXER_INCLUDE_DIR}.")
+
+#
+# NATIVE FILE DIALOG
+#
+# add_subdirectory(ext/nfd)
+# set(NFD_INCLUDE_DIR ${NFD_SOURCE_DIR}/include)
+# set(NFD_LIBRARY NFD)
+# message(STATUS "Including 'NativeFileDialog' from http://www.frogtoss.com/labs -- ${NFD_INCLUDE_DIR}.")
+
+# find_package(PkgConfig REQUIRED)
+# pkg_check_modules(GTK3 REQUIRED gtk+-3.0)
+
+#
+#  Application
+#
+
+# Setup the environment
+include_directories(
+    ${GSTREAMER_INCLUDE_DIR}
+    ${GSTREAMER_AUDIO_INCLUDE_DIR}
+    ${GSTREAMER_VIDEO_INCLUDE_DIR}
+    ${GSTREAMER_BASE_INCLUDE_DIR}
+    ${GSTREAMER_APP_INCLUDE_DIR}
+    ${GSTREAMER_PBUTILS_INCLUDE_DIR}
+    ${GSTREAMER_GL_INCLUDE_DIR}
+    ${GLIB2_INCLUDE_DIR}
+    ${GLAD_INCLUDE_DIR}
+    ${GLM_INCLUDE_DIRS}
+    ${IMGUI_INCLUDE_DIR}
+    ${IMGUI_INCLUDE_DIR}/examples
+    ${TEXTEDIT_INCLUDE_DIR}
+    ${TINYXML2_INCLUDE_DIR}
+    ${TINYFD_INCLUDE_DIR}
+    ${STB_INCLUDE_DIR}
+    ${DIRENT_INCLUDE_DIR}
+)
+
+
+set(VMIX_BINARY "vmix")
+set(VMIX_SRCS
+    main.cpp
+    ShaderManager.cpp
+    RenderingManager.cpp
+    SettingsManager.cpp
+    ResourceManager.cpp
+    UserInterfaceManager.cpp
+    FileDialog.cpp
+    ImGuiToolkit.cpp
+    GstToolkit.cpp
+    MediaPlayer.cpp
+    Log.cpp
+)
+
+set(VMIX_RSC_FILES
+    ./rsc/shaders/simple-shader.fs
+    ./rsc/shaders/simple-shader.vs
+    ./rsc/shaders/texture-shader.fs
+    ./rsc/shaders/texture-shader.vs
+    ./rsc/fonts/Hack-Regular.ttf
+    ./rsc/fonts/Roboto-Regular.ttf
+    ./rsc/fonts/Roboto-Bold.ttf
+    ./rsc/fonts/Roboto-Italic.ttf
+    ./rsc/fonts/fa-regular-400.ttf
+    ./rsc/fonts/fa-solid-900.ttf
+    ./rsc/images/glmixer_256x256.png
+    ./rsc/images/icons.dds
+    ./rsc/images/seed_512.jpg
+)
+
+add_executable(${VMIX_BINARY}
+    ${VMIX_SRCS}
+    ${TEXTEDIT_SRCS}
+)
+
+set_property(TARGET ${VMIX_BINARY} PROPERTY CXX_STANDARD 17)
+set_property(TARGET ${VMIX_BINARY} PROPERTY C_STANDARD 11)
+
+target_compile_definitions(${VMIX_BINARY} PUBLIC "IMGUI_IMPL_OPENGL_LOADER_GLAD")
+
+cmrc_add_resource_library(vmix-resources ALIAS vmix::rc NAMESPACE vmix WHENCE rsc ${VMIX_RSC_FILES})
+message(STATUS "Using 'CMakeRC ' from https://github.com/vector-of-bool/cmrc.git -- ${CMAKE_MODULE_PATH}.")
+
+
+target_link_libraries(${VMIX_BINARY} LINK_PRIVATE 
+    ${GLFW_LIBRARY}
+    ${OPENGL_LIBRARY}
+    ${GLM_LIBRARY}
+    GLAD
+    ${CMAKE_DL_LIBS}
+    ${GOBJECT_LIBRARIES}
+    ${GSTREAMER_LIBRARY}
+    ${GSTREAMER_BASE_LIBRARY}
+    ${GSTREAMER_APP_LIBRARY}
+    ${GSTREAMER_AUDIO_LIBRARY}
+    ${GSTREAMER_VIDEO_LIBRARY}
+    ${GSTREAMER_PBUTILS_LIBRARY}
+    ${GSTREAMER_GL_LIBRARY}
+    ${NFD_LIBRARY}
+    ${PNG_LIBRARY}
+    ${THREAD_LIBRARY}
+    TINYXML2
+    IMGUI
+    TINYFD
+    vmix::rc
+)
+
+macro_display_feature_log()
--- a/FileDialog.cpp
+++ b/FileDialog.cpp
--- a/FileDialog.h
+++ b/FileDialog.h
@@ -0,0 +1,110 @@
+#ifndef __IMGUI_FILE_DIALOG_H_
+#define __IMGUI_FILE_DIALOG_H_
+
+#include "imgui.h"
+
+#include <vector>
+#include <string>
+#include <map>
+
+#include <future>
+#include <functional>
+#include <thread>
+#include <atomic>
+#include <mutex>
+#include <string>
+#include <vector>
+#include <list>
+
+#define MAX_FILE_DIALOG_NAME_BUFFER 1024
+
+struct FileInfoStruct
+{
+	char type = ' ';
+	std::string filePath;
+	std::string fileName;
+	std::string ext;
+};
+
+class FileDialog
+{
+private:
+	std::vector<FileInfoStruct> m_FileList;
+	std::map<std::string, ImVec4> m_FilterColor;
+	std::string m_SelectedFileName;
+	std::string m_SelectedExt;
+	std::string m_CurrentPath;
+	std::vector<std::string> m_CurrentPath_Decomposition;
+	std::string m_Name;
+	bool m_ShowDialog;
+	bool m_ShowDrives;
+
+public:
+	static char FileNameBuffer[MAX_FILE_DIALOG_NAME_BUFFER];
+	static char DirectoryNameBuffer[MAX_FILE_DIALOG_NAME_BUFFER];
+	static char SearchBuffer[MAX_FILE_DIALOG_NAME_BUFFER];
+	static int FilterIndex;
+	bool IsOk;
+	bool m_AnyWindowsHovered;
+	bool m_CreateDirectoryMode;
+
+private:
+	std::string dlg_key;
+	std::string dlg_name;
+	const char *dlg_filters;
+	std::string dlg_path;
+	std::string dlg_defaultFileName;
+	std::string dlg_defaultExt;
+	std::function<void(std::string, bool*)> dlg_optionsPane;
+	size_t dlg_optionsPaneWidth;
+	std::string searchTag;
+	std::string dlg_userString;
+
+public:
+	static FileDialog* Instance()
+	{
+		static FileDialog *_instance = new FileDialog();
+		return _instance;
+	}
+
+protected:
+	FileDialog(); // Prevent construction
+	FileDialog(const FileDialog&) {}; // Prevent construction by copying
+	FileDialog& operator =(const FileDialog&) { return *this; }; // Prevent assignment
+	~FileDialog(); // Prevent unwanted destruction
+
+public:
+	void OpenDialog(const std::string& vKey, const char* vName, const char* vFilters,
+		const std::string& vPath, const std::string& vDefaultFileName,
+		std::function<void(std::string, bool*)> vOptionsPane, size_t vOptionsPaneWidth = 250, const std::string& vUserString = "");
+	void OpenDialog(const std::string& vKey, const char* vName, const char* vFilters,
+		const std::string& vDefaultFileName,
+		std::function<void(std::string, bool*)> vOptionsPane, size_t vOptionsPaneWidth = 250, const std::string& vUserString = "");
+	void OpenDialog(const std::string& vKey, const char* vName, const char* vFilters,
+		const std::string& vPath, const std::string& vDefaultFileName, const std::string& vUserString = "");
+	void OpenDialog(const std::string& vKey, const char* vName, const char* vFilters,
+		const std::string& vFilePathName, const std::string& vUserString = "");
+
+	void CloseDialog(const std::string& vKey);
+	bool Render(const std::string& vKey, ImVec2 geometry);
+	std::string GetFilepathName();
+	std::string GetCurrentPath();
+	std::string GetCurrentFileName();
+	std::string GetCurrentFilter();
+	std::string GetUserString();
+
+	void SetFilterColor(std::string vFilter, ImVec4 vColor);
+    bool GetFilterColor(std::string vFilter, ImVec4 *vColor);
+    void ClearFilterColor();
+
+private:
+	void SetPath(const std::string& vPath);
+	void ScanDir(const std::string& vPath);
+	void SetCurrentDir(const std::string& vPath);
+	bool CreateDir(const std::string& vPath);
+	void ComposeNewPath(std::vector<std::string>::iterator vIter);
+	void GetDrives();
+};
+
+
+#endif // __IMGUI_FILE_DIALOG_H_
--- a/GstToolkit.cpp
+++ b/GstToolkit.cpp
@@ -0,0 +1,27 @@
+
+#include <sstream>
+#include <iomanip>
+
+#include <gst/gst.h>
+
+#include "GstToolkit.h"
+
+
+string GstToolkit::to_string(guint64 t) {
+
+    if (t == GST_CLOCK_TIME_NONE)
+        return "00:00:00.00";
+
+    guint ms =  GST_TIME_AS_MSECONDS(t);
+    guint s = ms / 1000;
+
+    std::ostringstream oss;
+    if (s / 3600)
+        oss << std::setw(2) << std::setfill('0') << s / 3600 << ':';
+    if ((s % 3600) / 60)
+        oss << std::setw(2) << std::setfill('0') << (s % 3600) / 60 << ':';
+    oss << std::setw(2) << std::setfill('0') << (s % 3600) % 60 << '.';
+    oss << std::setw(2) << std::setfill('0') << (ms % 1000) / 10;
+
+    return oss.str();
+}
--- a/GstToolkit.h
+++ b/GstToolkit.h
@@ -0,0 +1,15 @@
+#ifndef __GSTGUI_TOOLKIT_H_
+#define __GSTGUI_TOOLKIT_H_
+
+#include <string>
+using namespace std;
+
+
+namespace GstToolkit
+{
+
+    string to_string(guint64 t);
+
+};
+
+#endif // __GSTGUI_TOOLKIT_H_
--- a/SettingsManager.h
+++ b/SettingsManager.h
@@ -0,0 +1,52 @@
+#ifndef vlmixer_app_settings
+#define vlmixer_app_settings
+
+#include <string>
+#include <list>
+using namespace std;
+
+class WindowSettings
+{
+public:
+	int x,y,w,h;
+	string name;
+	bool fullscreen;
+
+	WindowSettings() : x(0), y(0), w(100), h(100), name("Untitled"), fullscreen(false)
+	{
+	}
+
+	WindowSettings(int x, int y, int w, int h, const string& name)
+	{
+		this->x=x;
+		this->y=y;
+		this->w=w;
+		this->h=h;
+		this->name=name;
+		this->fullscreen=false;
+	}
+};
+
+class AppSettings
+{
+public:
+	string name;
+    string filename;
+	list<WindowSettings> windows;
+	float scale;
+	int color;
+
+	AppSettings(const string& name);
+};
+
+class Settings
+{    
+public:
+	static AppSettings application;
+
+	static void Save();
+	static void Load();
+	static void Check();
+};
+
+#endif /* vlmixer_app_settings */
--- a/ShaderManager.cpp
+++ b/ShaderManager.cpp
@@ -0,0 +1,123 @@
+#include "ShaderManager.h"
+#include "ResourceManager.h"
+
+#include <fstream>
+#include <sstream>
+#include <iostream>
+
+#include <glad/glad.h> 
+#include <GLFW/glfw3.h>
+#include <glm/glm.hpp> 
+#include <glm/gtc/type_ptr.hpp>
+#define GLM_ENABLE_EXPERIMENTAL
+#include <glm/gtx/string_cast.hpp>
+
+Shader::Shader() {
+}
+
+void Shader::load(const std::string& vertex_file, const std::string& fragment_file) {
+	
+	init(Resource::getText(vertex_file), Resource::getText(fragment_file));
+}
+
+void Shader::init(const std::string& vertex_code, const std::string& fragment_code) {
+	vertex_code_ = vertex_code;
+	fragment_code_ = fragment_code;
+	compile();
+	link();
+}
+
+void Shader::compile() {
+	const char* vcode = vertex_code_.c_str();
+	vertex_id_ = glCreateShader(GL_VERTEX_SHADER);
+	glShaderSource(vertex_id_, 1, &vcode, NULL);
+	glCompileShader(vertex_id_);
+
+	const char* fcode = fragment_code_.c_str();
+	fragment_id_ = glCreateShader(GL_FRAGMENT_SHADER);
+	glShaderSource(fragment_id_, 1, &fcode, NULL);
+	glCompileShader(fragment_id_);
+	checkCompileErr();
+}
+
+void Shader::link() {
+	id_ = glCreateProgram();
+	glAttachShader(id_, vertex_id_);
+	glAttachShader(id_, fragment_id_);
+	glLinkProgram(id_);
+	checkLinkingErr();
+	glDeleteShader(vertex_id_);
+	glDeleteShader(fragment_id_);
+}
+
+void Shader::use() {
+    glUseProgram(id_);
+}
+
+void Shader::enduse() {
+    glUseProgram(0);
+}
+
+template<>
+void Shader::setUniform<int>(const std::string& name, int val) {
+	glUniform1i(glGetUniformLocation(id_, name.c_str()), val);
+}
+
+template<>
+void Shader::setUniform<bool>(const std::string& name, bool val) {
+	glUniform1i(glGetUniformLocation(id_, name.c_str()), val);
+}
+
+template<>
+void Shader::setUniform<float>(const std::string& name, float val) {
+	glUniform1f(glGetUniformLocation(id_, name.c_str()), val);
+}
+
+template<>
+void Shader::setUniform<glm::mat4>(const std::string& name, glm::mat4 val) {
+	glm::mat4 m(val);
+    // std::cout << glm::to_string(m) << std::endl;
+	glUniformMatrix4fv(glGetUniformLocation(id_, name.c_str()), 1, GL_FALSE, glm::value_ptr(m));
+}
+
+template<>
+void Shader::setUniform<float>(const std::string& name, float val1, float val2) {
+	glUniform2f(glGetUniformLocation(id_, name.c_str()), val1, val2);
+}
+
+template<>
+void Shader::setUniform<float>(const std::string& name, float val1, float val2, float val3) {
+	glUniform3f(glGetUniformLocation(id_, name.c_str()), val1, val2, val3);
+}
+
+// template<>
+// void Shader::setUniform<float*>(const std::string& name, float* val) {
+// 	glUniformMatrix4fv(glGetUniformLocation(id_, name.c_str()), 1, GL_FALSE, val);
+// }
+
+void Shader::checkCompileErr() {
+    int success;
+    char infoLog[1024];
+    glGetShaderiv(vertex_id_, GL_COMPILE_STATUS, &success);
+    if (!success) {
+        glGetShaderInfoLog(vertex_id_, 1024, NULL, infoLog);
+        std::cout << "Error compiling Vertex Shader:\n" << infoLog << std::endl;
+		std::cout << vertex_code_ << std::endl;
+    }
+	glGetShaderiv(fragment_id_, GL_COMPILE_STATUS, &success);
+	if (!success) {
+		glGetShaderInfoLog(fragment_id_, 1024, NULL, infoLog);
+		std::cout << "Error compiling Fragment Shader:\n" << infoLog << std::endl;
+		std::cout << fragment_code_ << std::endl;
+	}
+}
+
+void Shader::checkLinkingErr() {
+	int success;
+	char infoLog[1024];
+	glGetProgramiv(id_, GL_LINK_STATUS, &success);
+	if (!success) {
+		glGetProgramInfoLog(id_, 1024, NULL, infoLog);
+		std::cout << "Error Linking Shader Program:\n" << infoLog << std::endl;
+	}
+}
--- a/ShaderManager.h
+++ b/ShaderManager.h
@@ -0,0 +1,31 @@
+#ifndef vlmixer_shader
+#define vlmixer_shader
+
+#include <string>
+#include <vector>
+
+class Shader
+{
+public:
+	Shader();
+	void load(const std::string& vertex_rsc, const std::string& fragment_rsc);
+	void init(const std::string& vertex_code, const std::string& fragment_code);
+	void use();
+	template<typename T> void setUniform(const std::string& name, T val);
+	template<typename T> void setUniform(const std::string& name, T val1, T val2);
+	template<typename T> void setUniform(const std::string& name, T val1, T val2, T val3);
+
+	static void enduse();
+
+private:
+	void checkCompileErr();
+	void checkLinkingErr();
+	void compile();
+	void link();
+	unsigned int vertex_id_, fragment_id_, id_;
+	std::string vertex_code_;
+	std::string fragment_code_;
+
+};
+
+#endif /* vlmixer_shader */
--- a/defines.h
+++ b/defines.h
@@ -0,0 +1,59 @@
+#ifndef VMIX_DEFINES_H
+#define VMIX_DEFINES_H
+
+#define APP_NAME "vmix"
+#define APP_TITLE "v-mix -- Video Live Mixer" 
+#define APP_VERSION "0.0.1"
+
+#define MINI(a, b)  (((a) < (b)) ? (a) : (b))
+#define MAXI(a, b)  (((a) > (b)) ? (a) : (b))
+#define ABS(a)	   (((a) < 0) ? -(a) : (a))
+#define SIGN(a)	   (((a) < 0) ? -1.0 : 1.0)
+#define CLAMP(x, low, high)  (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
+#define CLAMP(x, low, high)  (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
+#define EPSILON 0.00001
+#define LOG100(val) (50.0/log(10.0)*log((float)val + 1.0))
+#define EXP100(val) (exp(log(10.0)/50.0*(float)(val))-1.0)
+#define EUCLIDEAN(P1, P2) sqrt((P1.x() - P2.x()) * (P1.x() - P2.x()) + (P1.y() - P2.y()) * (P1.y() - P2.y()))
+
+#define SOURCE_UNIT 10.0
+#define CIRCLE_SQUARE_DIST(x,y) ( (x*x + y*y) / (SOURCE_UNIT * SOURCE_UNIT * CIRCLE_SIZE * CIRCLE_SIZE) )
+
+#define TEXTURE_REQUIRED_MAXIMUM 2048
+#define CATALOG_TEXTURE_HEIGHT 96
+#define SELECTBUFSIZE 512
+#define CIRCLE_SIZE 8.0
+#define DEFAULT_LIMBO_SIZE 1.5
+#define MIN_LIMBO_SIZE 1.1
+#define MAX_LIMBO_SIZE 3.0
+#define DEFAULT_ICON_SIZE 1.75
+#define MIN_ICON_SIZE 1.0
+#define MAX_ICON_SIZE 2.5
+#define MIN_DEPTH_LAYER 0.0
+#define MAX_DEPTH_LAYER 40.0
+#define MIN_SCALE 0.1
+#define MAX_SCALE 200.0
+#define DEPTH_EPSILON 0.1
+#define DEPTH_DEFAULT_SPACING 1.0
+#define BORDER_SIZE 0.4
+#define CENTER_SIZE 1.2
+#define PROPERTY_DECIMALS 8
+#define COLOR_SOURCE 230, 230, 0
+#define COLOR_SOURCE_STATIC 230, 40, 40
+#define COLOR_SELECTION 10, 210, 40
+#define COLOR_SELECTION_AREA 50, 210, 50
+#define COLOR_BGROUND 52, 52, 52
+#define COLOR_CIRCLE 210, 30, 210
+#define COLOR_CIRCLE_MOVE 230, 30, 230
+#define COLOR_DRAWINGS 180, 180, 180
+#define COLOR_LIMBO 35, 35, 35
+#define COLOR_LIMBO_CIRCLE 210, 160, 210
+#define COLOR_FADING 25, 25, 25
+#define COLOR_FLASHING 250, 250, 250
+#define COLOR_FRAME 210, 30, 210
+#define COLOR_FRAME_MOVE 230, 30, 230
+#define COLOR_CURSOR 10, 100, 255
+
+#define XML_PREFERENCE_FILE "vlmixer.xml"
+
+#endif // VMIX_DEFINES_H