Imported Upstream version 0.13.2+dsfg1

test/win/test.cpp

@@ -0,0 +1,232 @@
+#include <stdio.h>
+#include <time.h>
+#include <windows.h>
+
+#include <util/base.h>
+#include <graphics/vec2.h>
+#include <media-io/audio-resampler.h>
+#include <obs.h>
+
+#include <intrin.h>
+
+static const int cx = 800;
+static const int cy = 600;
+
+/* --------------------------------------------------- */
+
+class SourceContext {
+	obs_source_t *source;
+
+public:
+	inline SourceContext(obs_source_t *source) : source(source) {}
+	inline ~SourceContext() {obs_source_release(source);}
+	inline operator obs_source_t*() {return source;}
+};
+
+/* --------------------------------------------------- */
+
+class SceneContext {
+	obs_scene_t *scene;
+
+public:
+	inline SceneContext(obs_scene_t *scene) : scene(scene) {}
+	inline ~SceneContext() {obs_scene_release(scene);}
+	inline operator obs_scene_t*() {return scene;}
+};
+
+/* --------------------------------------------------- */
+
+class DisplayContext {
+	obs_display_t *display;
+
+public:
+	inline DisplayContext(obs_display_t *display) : display(display) {}
+	inline ~DisplayContext() {obs_display_destroy(display);}
+	inline operator obs_display_t*() {return display;}
+};
+
+/* --------------------------------------------------- */
+
+static LRESULT CALLBACK sceneProc(HWND hwnd, UINT message, WPARAM wParam,
+		LPARAM lParam)
+{
+	switch (message) {
+
+	case WM_CLOSE:
+		PostQuitMessage(0);
+		break;
+
+	default:
+		return DefWindowProc(hwnd, message, wParam, lParam);
+	}
+
+	return 0;
+}
+
+static void do_log(int log_level, const char *msg, va_list args, void *param)
+{
+	char bla[4096];
+	vsnprintf(bla, 4095, msg, args);
+
+	OutputDebugStringA(bla);
+	OutputDebugStringA("\n");
+
+	if (log_level < LOG_WARNING)
+		__debugbreak();
+
+	UNUSED_PARAMETER(param);
+}
+
+static void CreateOBS(HWND hwnd)
+{
+	RECT rc;
+	GetClientRect(hwnd, &rc);
+
+	if (!obs_startup("en-US", nullptr, nullptr))
+		throw "Couldn't create OBS";
+
+	struct obs_video_info ovi;
+	ovi.adapter         = 0;
+	ovi.base_width      = rc.right;
+	ovi.base_height     = rc.bottom;
+	ovi.fps_num         = 30000;
+	ovi.fps_den         = 1001;
+	ovi.graphics_module = DL_OPENGL;
+	ovi.output_format   = VIDEO_FORMAT_RGBA;
+	ovi.output_width    = rc.right;
+	ovi.output_height   = rc.bottom;
+
+	if (obs_reset_video(&ovi) != 0)
+		throw "Couldn't initialize video";
+}
+
+static DisplayContext CreateDisplay(HWND hwnd)
+{
+	RECT rc;
+	GetClientRect(hwnd, &rc);
+
+	gs_init_data info = {};
+	info.cx = rc.right;
+	info.cy = rc.bottom;
+	info.format = GS_RGBA;
+	info.zsformat = GS_ZS_NONE;
+	info.window.hwnd = hwnd;
+
+	return obs_display_create(&info);
+}
+
+static void AddTestItems(obs_scene_t *scene, obs_source_t *source)
+{
+	obs_sceneitem_t *item = NULL;
+	struct vec2 scale;
+
+	vec2_set(&scale, 20.0f, 20.0f);
+
+	item = obs_scene_add(scene, source);
+	obs_sceneitem_set_scale(item, &scale);
+}
+
+static HWND CreateTestWindow(HINSTANCE instance)
+{
+	WNDCLASS wc;
+
+	memset(&wc, 0, sizeof(wc));
+	wc.lpszClassName = TEXT("bla");
+	wc.hbrBackground = (HBRUSH)COLOR_WINDOW;
+	wc.hInstance     = instance;
+	wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
+	wc.lpfnWndProc   = (WNDPROC)sceneProc;
+
+	if (!RegisterClass(&wc))
+		return 0;
+
+	return CreateWindow(TEXT("bla"), TEXT("bla"),
+			WS_OVERLAPPEDWINDOW|WS_VISIBLE,
+			1920/2 - cx/2, 1080/2 - cy/2, cx, cy,
+			NULL, NULL, instance, NULL);
+}
+
+/* --------------------------------------------------- */
+
+static void RenderWindow(void *data, uint32_t cx, uint32_t cy)
+{
+	obs_render_main_view();
+
+	UNUSED_PARAMETER(data);
+	UNUSED_PARAMETER(cx);
+	UNUSED_PARAMETER(cy);
+}
+
+/* --------------------------------------------------- */
+
+int WINAPI WinMain(HINSTANCE instance, HINSTANCE prevInstance, LPSTR cmdLine,
+		int numCmd)
+{
+	HWND hwnd = NULL;
+	base_set_log_handler(do_log, nullptr);
+
+	try {
+		hwnd = CreateTestWindow(instance);
+		if (!hwnd)
+			throw "Couldn't create main window";
+
+		/* ------------------------------------------------------ */
+		/* create OBS */
+		CreateOBS(hwnd);
+
+		/* ------------------------------------------------------ */
+		/* load modules */
+		obs_load_all_modules();
+
+		/* ------------------------------------------------------ */
+		/* create source */
+		SourceContext source = obs_source_create("random",
+				"some randon source", NULL, nullptr);
+		if (!source)
+			throw "Couldn't create random test source";
+
+		/* ------------------------------------------------------ */
+		/* create filter */
+		SourceContext filter = obs_source_create("test_filter",
+				"a nice green filter", NULL, nullptr);
+		if (!filter)
+			throw "Couldn't create test filter";
+		obs_source_filter_add(source, filter);
+
+		/* ------------------------------------------------------ */
+		/* create scene and add source to scene (twice) */
+		SceneContext scene = obs_scene_create("test scene");
+		if (!scene)
+			throw "Couldn't create scene";
+
+		AddTestItems(scene, source);
+
+		/* ------------------------------------------------------ */
+		/* set the scene as the primary draw source and go */
+		obs_set_output_source(0, obs_scene_get_source(scene));
+
+		/* ------------------------------------------------------ */
+		/* create display for output and set the output render callback */
+		DisplayContext display = CreateDisplay(hwnd);
+		obs_display_add_draw_callback(display, RenderWindow, nullptr);
+
+		MSG msg;
+		while (GetMessage(&msg, NULL, 0, 0)) {
+			TranslateMessage(&msg);
+			DispatchMessage(&msg);
+		}
+
+	} catch (char *error) {
+		MessageBoxA(NULL, error, NULL, 0);
+	}
+
+	obs_shutdown();
+
+	blog(LOG_INFO, "Number of memory leaks: %ld", bnum_allocs());
+	DestroyWindow(hwnd);
+
+	UNUSED_PARAMETER(prevInstance);
+	UNUSED_PARAMETER(cmdLine);
+	UNUSED_PARAMETER(numCmd);
+	return 0;
+}