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#include <stdio.h>
#include <GL/freeglut.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <obs/obs.h>
char version[256]; const int window_width = 1280; const int window_height = 720; obs_display_t *display;
const char* go_get_version() { sprintf(version, "Version: 0.0.1; OBS version: %s\n", obs_get_version_string()); return version; }
void print_version_string() { printf("%s\n", go_get_version()); }
static void obs_render(void *param, uint32_t cx, uint32_t cy) { obs_render_main_texture(); }
static bool enum_sources(void *param, obs_source_t *source) { GtkWidget *box = param; const char *source_name = obs_source_get_name(source); uint32_t flags = obs_source_get_output_flags(source); if ((flags & OBS_SOURCE_VIDEO) != 0) printf("video source!\n"); printf("source: %s\n", source_name); gtk_container_add(GTK_CONTAINER(box), gtk_label_new(source_name)); return true; }
static void render_sources_window(GtkApplication *app, GtkWidget *parent_window) { GtkWidget *window, *box; const char *t;
printf("rendering sources\n"); window = gtk_application_window_new(app); gtk_window_set_title(GTK_WINDOW(window), "OBS - Sources"); gtk_window_set_default_size(GTK_WINDOW(window), 500, 500);
box = gtk_list_box_new();
for (int i = 0; obs_enum_source_types(i, &t); ++i) { printf("source type: %s\n", t); //gtk_container_add(GTK_CONTAINER(box), gtk_label_new(t));
}
for (int i = 0; obs_enum_input_types(i, &t); ++i) { printf("input type: %s\n", t); //gtk_container_add(GTK_CONTAINER(box), gtk_label_new(t));
}
obs_enum_sources(enum_sources, box);
gtk_container_add(GTK_CONTAINER(window), box); gtk_widget_show_all(box); gtk_window_present(GTK_WINDOW(window)); }
static void activate(GtkApplication *app, gpointer user_data) { GtkWidget *window = gtk_application_window_new(app); gtk_window_set_title(GTK_WINDOW(window), "OBS - Progrium"); gtk_window_set_default_size(GTK_WINDOW(window), window_width, window_height); gtk_window_present(GTK_WINDOW(window));
struct gs_init_data info = { .cx = window_width, .cy = window_height, .window.id = gdk_x11_window_get_xid(gtk_widget_get_window(window)), .window.display = gdk_window_get_display(gtk_widget_get_window(window)), .format = GS_BGRA, .zsformat = GS_ZS_NONE, };
display = obs_display_create(&info, 0); if (display == NULL) { printf("error creating display!\n"); }
obs_display_add_draw_callback(display, obs_render, NULL);
obs_data_t *settings = obs_data_create(); //obs_data_set_default_int(settings, "input", -1);
//obs_data_set_default_int(settings, "pixelformat", -1);
//obs_data_set_default_int(settings, "standard", -1);
//obs_data_set_default_int(settings, "dv_timing", -1);
//obs_data_set_default_int(settings, "resolution", -1);
//obs_data_set_default_int(settings, "framerate", -1);
//obs_data_set_default_int(settings, "color_range", VIDEO_RANGE_DEFAULT);
//obs_data_set_default_bool(settings, "buffering", true);
//obs_data_set_default_bool(settings, "auto_reset", false);
//obs_data_set_default_int(settings, "timeout_frames", 5);
obs_data_set_string(settings, "device_id", "/dev/video2"); //obs_data_set_string(settings, "format", "NV12");
obs_source_t *source = obs_source_create("v4l2_input", "Source", settings, NULL); if (source == NULL) printf("couldn't create source"); obs_scene_t *scene = obs_scene_create("scene1"); if (scene == NULL) printf("couldn't create scene"); obs_scene_add(scene, source); obs_set_output_source(0, obs_scene_get_source(scene));
render_sources_window(app, window); }
int main(int argc, char **argv) { GtkApplication* app; obs_module_t *module; int status, res;
app = gtk_application_new("xyz.dwayne.obs", G_APPLICATION_FLAGS_NONE); g_signal_connect(app, "activate", G_CALLBACK(activate), NULL);
print_version_string();
if (!obs_initialized()) { if (!obs_startup("en-US", NULL, NULL)) { printf("Failed to start OBS...\n"); return 1; } // This next line crashes the app on load
//obs_load_all_modules();
// This just initializes OpenGL.
// The program won't run if OpenGL hasn't been initialized.
glutInit(&argc, argv); res = obs_open_module(&module, "/usr/lib/x86_64-linux-gnu/obs-plugins/obs-ffmpeg.so", NULL); if (res != MODULE_SUCCESS) printf("error opening plugin\n"); obs_init_module(module); res = obs_open_module(&module, "/usr/lib/x86_64-linux-gnu/obs-plugins/linux-v4l2.so", NULL); if (res != MODULE_SUCCESS) printf("error opening v4l2 plugin\n"); obs_init_module(module); obs_post_load_modules(); struct obs_video_info v = { .graphics_module = "libobs-opengl.so.0", .fps_num = 30000, .fps_den = 1001, .base_width = window_width, .base_height = window_height, .output_width = window_width, .output_height = window_height, .output_format = VIDEO_FORMAT_NV12, .adapter = 0, .gpu_conversion = true, .colorspace = VIDEO_CS_601, .range = VIDEO_RANGE_PARTIAL, .scale_type = OBS_SCALE_BICUBIC, }; struct obs_audio_info a = { .samples_per_sec = 44100, .speakers = SPEAKERS_STEREO, };
obs_reset_video(&v); obs_reset_audio(&a); }
status = g_application_run(G_APPLICATION(app), argc, argv);
if (display != NULL) obs_display_destroy(display); obs_shutdown(); g_object_unref(app);
return status; }
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