CMakeLists.txt

cmake_minimum_required(VERSION 3.10)

project(obs_headless_poc)

set(obs_include_dir ${CMAKE_CURRENT_SOURCE_DIR}/obs-studio/libobs/)
set(obs_lib_dir     ${CMAKE_CURRENT_SOURCE_DIR}/obs-studio/build/libobs/)


include_directories(/home/myplay/dev/obs-headless-poc/obs-studio/libobs)
link_directories(/home/myplay/dev/obs-headless-poc/obs-studio/build/libobs)

include_directories(/home/myplay/dev/obs-headless-poc/obs-studio/libobs-opengl)
link_directories(/home/myplay/dev/obs-headless-poc/obs-studio/build/libobs-opengl)

file(GLOB SOURCES 
  "./src/*.h"
  "./src/*.cpp")

add_executable(app ${SOURCES})
target_link_libraries(app /home/myplay/dev/obs-headless-poc/obs-studio/build/libobs/libobs.so  /home/myplay/dev/obs-headless-poc/obs-studio/build/libobs-opengl/libobs-opengl.so)

main.cpp

#include "main.h"
#include <iostream>

using namespace std;

obs_video_info create_ovi() {
    struct obs_video_info ovi;

    ovi.adapter = 0;
    ovi.graphics_module = "libobs-opengl";
    ovi.output_format = VIDEO_FORMAT_I420;
    ovi.fps_num = 30000;
    ovi.fps_den = 1000;
    ovi.base_width = 640;
    ovi.base_height = 360;
    ovi.output_width = 640;
    ovi.output_height = 360;

    return ovi;
}

obs_audio_info create_oai() {
    struct obs_audio_info oai;

    oai.samples_per_sec = 44100;
    oai.speakers = SPEAKERS_STEREO;

    return oai;
}

void initialize_obs() {
    try {
        struct obs_audio_info oai = create_oai();
        struct obs_video_info ovi = create_ovi();

        obs_startup("en-US", nullptr, nullptr);
        obs_initialized();

        obs_reset_video(&ovi);
        obs_reset_audio(&oai);

        cout << "OBS Initialized Successfully \n";
    } catch (const std::exception& err) {
        cout << "[initialize_obs] error";
        cerr << err.what();
    }
}

int main() {
    cout << "This is an executable running right now! \n";

    try {
        initialize_obs();

    } catch (const std::exception& e) {
        cerr << e.what();
    }
}