obs-browser/obs-browser-plugin.cpp at master · obsproject/obs-browser · GitHub

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/******************************************************************************

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, see <http://www.gnu.org/licenses/>.

******************************************************************************/

#include <obs-frontend-api.h>

#include <util/threading.h>

#include <util/platform.h>

#include <util/util.hpp>

#include <util/dstr.hpp>

#include <obs-module.h>

#include <obs.hpp>

#include <functional>

#include <sstream>

#include <thread>

#include <mutex>

#include <nlohmann/json.hpp>

#include <obs-websocket-api.h>

#include "obs-browser-source.hpp"

#include "browser-scheme.hpp"

#include "browser-app.hpp"

#include "browser-version.h"

#include "cef-headers.hpp"

#ifdef _WIN32

#include <util/windows/ComPtr.hpp>

#include <dxgi.h>

#include <dxgi1_2.h>

#include <d3d11.h>

#else

#include "signal-restore.hpp"

#endif

#ifdef ENABLE_WAYLAND

#include <obs-nix-platform.h>

#endif

#ifdef ENABLE_BROWSER_QT_LOOP

#include <QApplication>

#include <QThread>

#endif

#if !defined(_WIN32) && !defined(__APPLE__)

#include "drm-format.hpp"

#endif

OBS_DECLARE_MODULE()

OBS_MODULE_USE_DEFAULT_LOCALE("obs-browser", "en-US")

MODULE_EXPORT const char *obs_module_description(void)

{

return "CEF-based web browser source & panels";

}

using namespace std;

static thread manager_thread;

static bool manager_initialized = false;

os_event_t *cef_started_event = nullptr;

#if defined(_WIN32)

static int adapterCount = 0;

#endif

static std::wstring deviceId;

bool hwaccel = false;

/* ========================================================================= */

#ifdef ENABLE_BROWSER_QT_LOOP

extern MessageObject messageObject;

#endif

class BrowserTask : public CefTask {

public:

std::function<void()> task;

inline BrowserTask(std::function<void()> task_) : task(task_) {}

virtual void Execute() override

{

#ifdef ENABLE_BROWSER_QT_LOOP

/* you have to put the tasks on the Qt event queue after this

* call otherwise the CEF message pump may stop functioning

* correctly, it's only supposed to take 10ms max */

QMetaObject::invokeMethod(&messageObject, "ExecuteTask", Qt::QueuedConnection,

Q_ARG(MessageTask, task));

#else

task();

#endif

}

IMPLEMENT_REFCOUNTING(BrowserTask);

};

bool QueueCEFTask(std::function<void()> task)

{

return CefPostTask(TID_UI, CefRefPtr<BrowserTask>(new BrowserTask(task)));

}

/* ========================================================================= */

static const char *default_css = "\

body { \

background-color: rgba(0, 0, 0, 0); \

margin: 0px auto; \

overflow: hidden; \

}";

static void browser_source_get_defaults(obs_data_t *settings)

{

obs_data_set_default_string(settings, "url", "https://obsproject.com/browser-source");

obs_data_set_default_int(settings, "width", 800);

obs_data_set_default_int(settings, "height", 600);

obs_data_set_default_int(settings, "fps", 30);

#ifdef ENABLE_BROWSER_SHARED_TEXTURE

obs_data_set_default_bool(settings, "fps_custom", false);

#else

obs_data_set_default_bool(settings, "fps_custom", true);

#endif

obs_data_set_default_bool(settings, "shutdown", false);

obs_data_set_default_bool(settings, "restart_when_active", false);

obs_data_set_default_int(settings, "webpage_control_level", (int)DEFAULT_CONTROL_LEVEL);

obs_data_set_default_string(settings, "css", default_css);

obs_data_set_default_bool(settings, "reroute_audio", false);

}

static bool is_local_file_modified(obs_properties_t *props, obs_property_t *, obs_data_t *settings)

{

bool enabled = obs_data_get_bool(settings, "is_local_file");

obs_property_t *url = obs_properties_get(props, "url");

obs_property_t *local_file = obs_properties_get(props, "local_file");

obs_property_set_visible(url, !enabled);

obs_property_set_visible(local_file, enabled);

return true;

}

static bool is_fps_custom(obs_properties_t *props, obs_property_t *, obs_data_t *settings)

{

bool enabled = obs_data_get_bool(settings, "fps_custom");

obs_property_t *fps = obs_properties_get(props, "fps");

obs_property_set_visible(fps, enabled);

return true;

}

static obs_properties_t *browser_source_get_properties(void *data)

{

obs_properties_t *props = obs_properties_create();

BrowserSource *bs = static_cast<BrowserSource *>(data);

DStr path;

obs_properties_set_flags(props, OBS_PROPERTIES_DEFER_UPDATE);

obs_property_t *prop = obs_properties_add_bool(props, "is_local_file", obs_module_text("LocalFile"));

if (bs && !bs->url.empty()) {

const char *slash;

dstr_copy(path, bs->url.c_str());

dstr_replace(path, "\\", "/");

slash = strrchr(path->array, '/');

if (slash)

dstr_resize(path, slash - path->array + 1);

}

obs_property_set_modified_callback(prop, is_local_file_modified);

obs_properties_add_path(props, "local_file", obs_module_text("LocalFile"), OBS_PATH_FILE, "*.*", path->array);

obs_properties_add_text(props, "url", obs_module_text("URL"), OBS_TEXT_DEFAULT);

obs_properties_add_int(props, "width", obs_module_text("Width"), 1, 8192, 1);

obs_properties_add_int(props, "height", obs_module_text("Height"), 1, 8192, 1);

obs_properties_add_bool(props, "reroute_audio", obs_module_text("RerouteAudio"));

obs_property_t *fps_set = obs_properties_add_bool(props, "fps_custom", obs_module_text("CustomFrameRate"));

obs_property_set_modified_callback(fps_set, is_fps_custom);

#ifndef ENABLE_BROWSER_SHARED_TEXTURE

obs_property_set_enabled(fps_set, false);

#endif

obs_properties_add_int(props, "fps", obs_module_text("FPS"), 1, 60, 1);

obs_property_t *p = obs_properties_add_text(props, "css", obs_module_text("CSS"), OBS_TEXT_MULTILINE);

obs_property_text_set_monospace(p, true);

obs_properties_add_bool(props, "shutdown", obs_module_text("ShutdownSourceNotVisible"));

obs_properties_add_bool(props, "restart_when_active", obs_module_text("RefreshBrowserActive"));

obs_property_t *controlLevel = obs_properties_add_list(props, "webpage_control_level",

obs_module_text("WebpageControlLevel"),

OBS_COMBO_TYPE_LIST, OBS_COMBO_FORMAT_INT);

obs_property_list_add_int(controlLevel, obs_module_text("WebpageControlLevel.Level.None"),

(int)ControlLevel::None);

obs_property_list_add_int(controlLevel, obs_module_text("WebpageControlLevel.Level.ReadObs"),

(int)ControlLevel::ReadObs);

obs_property_list_add_int(controlLevel, obs_module_text("WebpageControlLevel.Level.ReadUser"),

(int)ControlLevel::ReadUser);

obs_property_list_add_int(controlLevel, obs_module_text("WebpageControlLevel.Level.Basic"),

(int)ControlLevel::Basic);

obs_property_list_add_int(controlLevel, obs_module_text("WebpageControlLevel.Level.Advanced"),

(int)ControlLevel::Advanced);

obs_property_list_add_int(controlLevel, obs_module_text("WebpageControlLevel.Level.All"),

(int)ControlLevel::All);

obs_properties_add_button2(

props, "refreshnocache", obs_module_text("RefreshNoCache"),

[](obs_properties_t *, obs_property_t *, void *data) {

static_cast<BrowserSource *>(data)->Refresh();

return false;

bs);

return props;

}

static void missing_file_callback(void *src, const char *new_path, void *data)

{

BrowserSource *bs = static_cast<BrowserSource *>(src);

if (bs) {

obs_source_t *source = bs->source;

OBSDataAutoRelease settings = obs_source_get_settings(source);

obs_data_set_string(settings, "local_file", new_path);

obs_source_update(source, settings);

}

UNUSED_PARAMETER(data);

}

static obs_missing_files_t *browser_source_missingfiles(void *data)

{

BrowserSource *bs = static_cast<BrowserSource *>(data);

obs_missing_files_t *files = obs_missing_files_create();

if (bs) {

obs_source_t *source = bs->source;

OBSDataAutoRelease settings = obs_source_get_settings(source);

bool enabled = obs_data_get_bool(settings, "is_local_file");

const char *path = obs_data_get_string(settings, "local_file");

if (enabled && strcmp(path, "") != 0) {

if (!os_file_exists(path)) {

obs_missing_file_t *file = obs_missing_file_create(

path, missing_file_callback, OBS_MISSING_FILE_SOURCE, bs->source, NULL);

obs_missing_files_add_file(files, file);

}

return files;

}

static CefRefPtr<BrowserApp> app;

static void BrowserInit(void)

{

string path = obs_get_module_binary_path(obs_current_module());

path = path.substr(0, path.find_last_of('/') + 1);

path += "//obs-browser-page";

#ifdef _WIN32

path += ".exe";

CefMainArgs args;

#else

/* On non-windows platforms, ie macOS, we'll want to pass thru flags to

* CEF */

struct obs_cmdline_args cmdline_args = obs_get_cmdline_args();

CefMainArgs args(cmdline_args.argc, cmdline_args.argv);

#endif

BPtr<char> conf_path = obs_module_config_path("");

os_mkdir(conf_path);

CefSettings settings;

settings.log_severity = LOGSEVERITY_FATAL;

BPtr<char> log_path = obs_module_config_path("debug.log");

BPtr<char> log_path_abs = os_get_abs_path_ptr(log_path);

CefString(&settings.log_file) = log_path_abs;

settings.windowless_rendering_enabled = true;

settings.no_sandbox = true;

uint32_t obs_ver = obs_get_version();

uint32_t obs_maj = obs_ver >> 24;

uint32_t obs_min = (obs_ver >> 16) & 0xFF;

uint32_t obs_pat = obs_ver & 0xFFFF;

/* This allows servers the ability to determine that browser panels and

* browser sources are coming from OBS. */

std::stringstream prod_ver;

prod_ver << "Chrome/";

prod_ver << std::to_string(cef_version_info(4)) << "." << std::to_string(cef_version_info(5)) << "."

<< std::to_string(cef_version_info(6)) << "." << std::to_string(cef_version_info(7));

prod_ver << " OBS/";

prod_ver << std::to_string(obs_maj) << "." << std::to_string(obs_min) << "." << std::to_string(obs_pat);

CefString(&settings.user_agent_product) = prod_ver.str();

#ifdef ENABLE_BROWSER_QT_LOOP

settings.external_message_pump = true;

settings.multi_threaded_message_loop = false;

#endif

#if !defined(_WIN32) && !defined(__APPLE__)

// Override locale path from OBS binary path to plugin binary path

string locales = obs_get_module_binary_path(obs_current_module());

locales = locales.substr(0, locales.find_last_of('/') + 1);

locales += "locales";

BPtr<char> abs_locales = os_get_abs_path_ptr(locales.c_str());

CefString(&settings.locales_dir_path) = abs_locales;

#endif

std::string obs_locale = obs_get_locale();

std::string accepted_languages;

if (obs_locale != "en-US") {

accepted_languages = obs_locale;

accepted_languages += ",";

accepted_languages += "en-US,en";

} else {

accepted_languages = "en-US,en";

}

BPtr<char> conf_path_abs = os_get_abs_path_ptr(conf_path);

CefString(&settings.locale) = obs_get_locale();

CefString(&settings.accept_language_list) = accepted_languages;

#if CHROME_VERSION_BUILD <= 6533

settings.persist_user_preferences = 1;

#endif

CefString(&settings.cache_path) = conf_path_abs;

#if !defined(__APPLE__) || defined(ENABLE_BROWSER_LEGACY)

char *abs_path = os_get_abs_path_ptr(path.c_str());

CefString(&settings.browser_subprocess_path) = abs_path;

bfree(abs_path);

#endif

bool tex_sharing_avail = false;

#ifdef ENABLE_BROWSER_SHARED_TEXTURE

if (hwaccel) {

obs_enter_graphics();

#if defined(__APPLE__) || defined(_WIN32)

hwaccel = tex_sharing_avail = gs_shared_texture_available();

#else

hwaccel = tex_sharing_avail = obs_cef_all_drm_formats_supported();

#endif

obs_leave_graphics();

}

#endif

#if defined(__APPLE__) || defined(_WIN32) || !defined(ENABLE_WAYLAND)

app = new BrowserApp(tex_sharing_avail);

#else

app = new BrowserApp(tex_sharing_avail, obs_get_nix_platform() == OBS_NIX_PLATFORM_WAYLAND);

#endif

#ifdef _WIN32

CefExecuteProcess(args, app, nullptr);

#endif

#if !defined(_WIN32)

BackupSignalHandlers();

bool success = CefInitialize(args, settings, app, nullptr);

RestoreSignalHandlers();

#else

bool success = CefInitialize(args, settings, app, nullptr);

#endif

if (!success) {

#if CHROME_VERSION_BUILD >= 6367

blog(LOG_ERROR, "[obs-browser]: CEF failed to initialize. Exit code: %d", CefGetExitCode());

#else

blog(LOG_ERROR, "[obs-browser]: CEF failed to initialize.");

#endif

return;

}

// Register custom scheme handler for local browser sources

CefRegisterSchemeHandlerFactory("http", "absolute", new BrowserSchemeHandlerFactory());

os_event_signal(cef_started_event);

}

static void BrowserShutdown(void)

{

CefClearSchemeHandlerFactories();

#ifdef ENABLE_BROWSER_QT_LOOP

while (messageObject.ExecuteNextBrowserTask())

;

CefDoMessageLoopWork();

#endif

CefShutdown();

app = nullptr;

}

#ifndef ENABLE_BROWSER_QT_LOOP

static void BrowserManagerThread(void)

{

BrowserInit();

CefRunMessageLoop();

BrowserShutdown();

}

#endif

extern "C" EXPORT void obs_browser_initialize(void)

{

if (!os_atomic_set_bool(&manager_initialized, true)) {

#ifdef ENABLE_BROWSER_QT_LOOP

BrowserInit();

#else

manager_thread = thread(BrowserManagerThread);

#endif

}

void RegisterBrowserSource()

{

struct obs_source_info info = {};

info.id = "browser_source";

info.type = OBS_SOURCE_TYPE_INPUT;

info.output_flags = OBS_SOURCE_VIDEO | OBS_SOURCE_AUDIO | OBS_SOURCE_CUSTOM_DRAW | OBS_SOURCE_INTERACTION |

OBS_SOURCE_DO_NOT_DUPLICATE | OBS_SOURCE_SRGB;

info.get_properties = browser_source_get_properties;

info.get_defaults = browser_source_get_defaults;

info.icon_type = OBS_ICON_TYPE_BROWSER;

info.get_name = [](void *) {

return obs_module_text("BrowserSource");

};

info.create = [](obs_data_t *settings, obs_source_t *source) -> void * {

obs_browser_initialize();

return new BrowserSource(settings, source);

};

info.destroy = [](void *data) {

static_cast<BrowserSource *>(data)->Destroy();

};

info.missing_files = browser_source_missingfiles;

info.update = [](void *data, obs_data_t *settings) {

static_cast<BrowserSource *>(data)->Update(settings);

};

info.get_width = [](void *data) {

return (uint32_t)static_cast<BrowserSource *>(data)->width;

};

info.get_height = [](void *data) {

return (uint32_t)static_cast<BrowserSource *>(data)->height;

};

info.video_tick = [](void *data, float) {

static_cast<BrowserSource *>(data)->Tick();

};

info.video_render = [](void *data, gs_effect_t *) {

static_cast<BrowserSource *>(data)->Render();

};

info.mouse_click = [](void *data, const struct obs_mouse_event *event, int32_t type, bool mouse_up,

uint32_t click_count) {

static_cast<BrowserSource *>(data)->SendMouseClick(event, type, mouse_up, click_count);

};

info.mouse_move = [](void *data, const struct obs_mouse_event *event, bool mouse_leave) {

static_cast<BrowserSource *>(data)->SendMouseMove(event, mouse_leave);

};

info.mouse_wheel = [](void *data, const struct obs_mouse_event *event, int x_delta, int y_delta) {

static_cast<BrowserSource *>(data)->SendMouseWheel(event, x_delta, y_delta);

};

info.focus = [](void *data, bool focus) {

static_cast<BrowserSource *>(data)->SendFocus(focus);

};

info.key_click = [](void *data, const struct obs_key_event *event, bool key_up) {

static_cast<BrowserSource *>(data)->SendKeyClick(event, key_up);

};

info.show = [](void *data) {

static_cast<BrowserSource *>(data)->SetShowing(true);

};

info.hide = [](void *data) {

static_cast<BrowserSource *>(data)->SetShowing(false);

};

info.activate = [](void *data) {

BrowserSource *bs = static_cast<BrowserSource *>(data);

if (bs->restart)

bs->Refresh();

bs->SetActive(true);

};

info.deactivate = [](void *data) {

static_cast<BrowserSource *>(data)->SetActive(false);

};

obs_register_source(&info);

}

/* ========================================================================= */

extern void DispatchJSEvent(std::string eventName, std::string jsonString, BrowserSource *browser = nullptr);

static void handle_obs_frontend_event(enum obs_frontend_event event, void *)

{

switch (event) {

case OBS_FRONTEND_EVENT_STREAMING_STARTING:

DispatchJSEvent("obsStreamingStarting", "null");

break;

case OBS_FRONTEND_EVENT_STREAMING_STARTED:

DispatchJSEvent("obsStreamingStarted", "null");

break;

case OBS_FRONTEND_EVENT_STREAMING_STOPPING:

DispatchJSEvent("obsStreamingStopping", "null");

break;

case OBS_FRONTEND_EVENT_STREAMING_STOPPED:

DispatchJSEvent("obsStreamingStopped", "null");

break;

case OBS_FRONTEND_EVENT_RECORDING_STARTING:

DispatchJSEvent("obsRecordingStarting", "null");

break;

case OBS_FRONTEND_EVENT_RECORDING_STARTED:

DispatchJSEvent("obsRecordingStarted", "null");

break;

case OBS_FRONTEND_EVENT_RECORDING_PAUSED:

DispatchJSEvent("obsRecordingPaused", "null");

break;

case OBS_FRONTEND_EVENT_RECORDING_UNPAUSED:

DispatchJSEvent("obsRecordingUnpaused", "null");

break;

case OBS_FRONTEND_EVENT_RECORDING_STOPPING:

DispatchJSEvent("obsRecordingStopping", "null");

break;

case OBS_FRONTEND_EVENT_RECORDING_STOPPED:

DispatchJSEvent("obsRecordingStopped", "null");

break;

case OBS_FRONTEND_EVENT_REPLAY_BUFFER_STARTING:

DispatchJSEvent("obsReplaybufferStarting", "null");

break;

case OBS_FRONTEND_EVENT_REPLAY_BUFFER_STARTED:

DispatchJSEvent("obsReplaybufferStarted", "null");

break;

case OBS_FRONTEND_EVENT_REPLAY_BUFFER_SAVED:

DispatchJSEvent("obsReplaybufferSaved", "null");

break;

case OBS_FRONTEND_EVENT_REPLAY_BUFFER_STOPPING:

DispatchJSEvent("obsReplaybufferStopping", "null");

break;

case OBS_FRONTEND_EVENT_REPLAY_BUFFER_STOPPED:

DispatchJSEvent("obsReplaybufferStopped", "null");

break;

case OBS_FRONTEND_EVENT_VIRTUALCAM_STARTED:

DispatchJSEvent("obsVirtualcamStarted", "null");

break;

case OBS_FRONTEND_EVENT_VIRTUALCAM_STOPPED:

DispatchJSEvent("obsVirtualcamStopped", "null");

break;

case OBS_FRONTEND_EVENT_SCENE_CHANGED: {

OBSSourceAutoRelease source = obs_frontend_get_current_scene();

if (!source)

break;

const char *name = obs_source_get_name(source);

if (!name)

break;

nlohmann::json json = {{"name", name},

{"width", obs_source_get_width(source)},

{"height", obs_source_get_height(source)}};

DispatchJSEvent("obsSceneChanged", json.dump());

break;

}

case OBS_FRONTEND_EVENT_SCENE_LIST_CHANGED: {

struct obs_frontend_source_list list = {};

obs_frontend_get_scenes(&list);

std::vector<const char *> scenes_vector;

for (size_t i = 0; i < list.sources.num; i++) {

obs_source_t *source = list.sources.array[i];

scenes_vector.push_back(obs_source_get_name(source));

}

nlohmann::json json = scenes_vector;

obs_frontend_source_list_free(&list);

DispatchJSEvent("obsSceneListChanged", json.dump());

break;

}

case OBS_FRONTEND_EVENT_TRANSITION_CHANGED: {

OBSSourceAutoRelease source = obs_frontend_get_current_transition();

if (!source)

break;

const char *name = obs_source_get_name(source);

if (!name)

break;

nlohmann::json json = {{"name", name}};

DispatchJSEvent("obsTransitionChanged", json.dump());

break;

}

case OBS_FRONTEND_EVENT_TRANSITION_LIST_CHANGED: {

struct obs_frontend_source_list list = {};

obs_frontend_get_transitions(&list);

std::vector<const char *> transitions_vector;

for (size_t i = 0; i < list.sources.num; i++) {

obs_source_t *source = list.sources.array[i];

transitions_vector.push_back(obs_source_get_name(source));

}

nlohmann::json json = transitions_vector;

obs_frontend_source_list_free(&list);

DispatchJSEvent("obsTransitionListChanged", json.dump());

break;

}

case OBS_FRONTEND_EVENT_EXIT:

DispatchJSEvent("obsExit", "null");

break;

default:;

}

#ifdef _WIN32

static inline void EnumAdapterCount()

{

ComPtr<IDXGIFactory1> factory;

ComPtr<IDXGIAdapter1> adapter;

HRESULT hr;

UINT i = 0;

hr = CreateDXGIFactory1(__uuidof(IDXGIFactory1), (void **)&factory);

if (FAILED(hr))

return;

while (factory->EnumAdapters1(i++, &adapter) == S_OK) {

DXGI_ADAPTER_DESC desc;

hr = adapter->GetDesc(&desc);

if (FAILED(hr))

continue;

if (i == 1)

deviceId = desc.Description;

/* ignore Microsoft's 'basic' renderer' */

if (desc.VendorId == 0x1414 && desc.DeviceId == 0x8c)

continue;

adapterCount++;

}

#endif

#ifdef ENABLE_BROWSER_SHARED_TEXTURE

#ifdef _WIN32

static const wchar_t *blacklisted_devices[] = {L"Intel", L"Microsoft", L"Radeon HD 8850M", L"Radeon HD 7660", nullptr};

static inline bool is_intel(const std::wstring &str)

{

return wstrstri(str.c_str(), L"Intel") != 0;

}

static void check_hwaccel_support(void)

{

/* do not use hardware acceleration if a blacklisted device is the

* default and on 2 or more adapters */

const wchar_t **device = blacklisted_devices;

if (adapterCount >= 2 || !is_intel(deviceId)) {

while (*device) {

if (!!wstrstri(deviceId.c_str(), *device)) {

hwaccel = false;

blog(LOG_INFO, "[obs-browser]: "

"Blacklisted device "

"detected, "

"disabling browser "

"source hardware "

"acceleration.");

break;

}

device++;

}

#elif __linux__

static void check_hwaccel_support(void)

{

/* NOTE: GL_VERSION returns a string that contains the driver vendor */

const char *glVersion = NULL;

obs_enter_graphics();

glVersion = gs_get_driver_version();

obs_leave_graphics();

if (!glVersion)

return;

if (strstr(glVersion, "NVIDIA") != NULL) {

hwaccel = false;

blog(LOG_INFO,

"[obs-browser]: Blacklisted driver detected, disabling browser source hardware acceleration.");

}

return;

}

#else

static void check_hwaccel_support(void)

{

return;

}

#endif

bool obs_module_load(void)

{

#ifdef ENABLE_BROWSER_QT_LOOP

qRegisterMetaType<MessageTask>("MessageTask");

#endif

os_event_init(&cef_started_event, OS_EVENT_TYPE_MANUAL);

#if defined(_WIN32) && CHROME_VERSION_BUILD < 5615

/* CefEnableHighDPISupport doesn't do anything on OS other than Windows. Would also crash macOS at this point as CEF is not directly linked */

CefEnableHighDPISupport();

#endif

#ifdef _WIN32

EnumAdapterCount();

#else

#if defined(__APPLE__) && !defined(ENABLE_BROWSER_LEGACY)

/* Load CEF at runtime as required on macOS */

CefScopedLibraryLoader library_loader;

if (!library_loader.LoadInMain())

return false;

#endif

blog(LOG_INFO, "[obs-browser]: Version %s", OBS_BROWSER_VERSION_STRING);

blog(LOG_INFO, "[obs-browser]: CEF Version %i.%i.%i.%i (runtime), %s (compiled)", cef_version_info(4),

cef_version_info(5), cef_version_info(6), cef_version_info(7), CEF_VERSION);

RegisterBrowserSource();

obs_frontend_add_event_callback(handle_obs_frontend_event, nullptr);

#ifdef ENABLE_BROWSER_SHARED_TEXTURE

OBSDataAutoRelease private_data = obs_get_private_data();

hwaccel = obs_data_get_bool(private_data, "BrowserHWAccel");

if (hwaccel) {

check_hwaccel_support();

}

#endif

return true;

}

void obs_module_post_load(void)

{

auto vendor = obs_websocket_register_vendor("obs-browser");

if (!vendor)

return;

auto emit_event_request_cb = [](obs_data_t *request_data, obs_data_t *, void *) {

const char *event_name = obs_data_get_string(request_data, "event_name");

if (!event_name)

return;

OBSDataAutoRelease event_data = obs_data_get_obj(request_data, "event_data");

const char *event_data_string = event_data ? obs_data_get_json(event_data) : "{}";

DispatchJSEvent(event_name, event_data_string, nullptr);

};

if (!obs_websocket_vendor_register_request(vendor, "emit_event", emit_event_request_cb, nullptr))

blog(LOG_WARNING, "[obs-browser]: Failed to register obs-websocket request emit_event");

}

void obs_module_unload(void)

{

#ifdef ENABLE_BROWSER_QT_LOOP

BrowserShutdown();

#else

if (manager_thread.joinable()) {

if (!QueueCEFTask([]() { CefQuitMessageLoop(); }))

blog(LOG_DEBUG, "[obs-browser]: Failed to post CefQuit task to loop");

manager_thread.join();

}

#endif

os_event_destroy(cef_started_event);

}

obs-browser/obs-browser-plugin.cpp at master · obsproject/obs-browser · GitHub

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