}
}
-void CEFCapture::post_to_cef_ui_thread(std::function<void()> &&func)
+void CEFCapture::post_to_cef_ui_thread(std::function<void()> &&func, int64_t delay_ms)
{
- lock_guard<mutex> lock(browser_mutex);
+ lock_guard<recursive_mutex> lock(browser_mutex);
if (browser != nullptr) {
- CefPostTask(TID_UI, new CEFTaskAdapter(std::move(func)));
+ if (delay_ms <= 0) {
+ CefPostTask(TID_UI, new CEFTaskAdapter(std::move(func)));
+ } else {
+ CefPostDelayedTask(TID_UI, new CEFTaskAdapter(std::move(func)), delay_ms);
+ }
} else {
deferred_tasks.push_back(std::move(func));
}
void CEFCapture::set_url(const string &url)
{
post_to_cef_ui_thread([this, url] {
+ loaded = false;
browser->GetMainFrame()->LoadURL(url);
});
}
void CEFCapture::reload()
{
post_to_cef_ui_thread([this] {
+ loaded = false;
browser->Reload();
});
}
void CEFCapture::execute_javascript_async(const string &js)
{
post_to_cef_ui_thread([this, js] {
- CefString script_url("<theme eval>");
- int start_line = 1;
- browser->GetMainFrame()->ExecuteJavaScript(js, script_url, start_line);
+ if (loaded) {
+ CefString script_url("<theme eval>");
+ int start_line = 1;
+ browser->GetMainFrame()->ExecuteJavaScript(js, script_url, start_line);
+ } else {
+ deferred_javascript.push_back(js);
+ }
});
}
+void CEFCapture::resize(unsigned width, unsigned height)
+{
+ lock_guard<mutex> lock(resolution_mutex);
+ this->width = width;
+ this->height = height;
+}
+
+void CEFCapture::request_new_frame()
+{
+ // By adding a delay, we make sure we don't get a new frame
+ // delivered immediately (we probably already are on the UI thread),
+ // where we couldn't really deal with it.
+ post_to_cef_ui_thread([this] {
+ lock_guard<recursive_mutex> lock(browser_mutex);
+ if (browser != nullptr) { // Could happen if we are shutting down.
+ browser->GetHost()->Invalidate(PET_VIEW);
+ }
+ }, 16);
+}
+
void CEFCapture::OnPaint(const void *buffer, int width, int height)
{
steady_clock::time_point timestamp = steady_clock::now();
video_format.is_connected = true;
FrameAllocator::Frame video_frame = video_frame_allocator->alloc_frame();
- if (video_frame.data != nullptr) {
+ if (video_frame.data == nullptr) {
+ // We lost a frame, so we need to invalidate the entire thing.
+ // (CEF only sends OnPaint when there are actual changes,
+ // so we need to do this explicitly, or we could be stuck on an
+ // old frame forever if the image doesn't change.)
+ request_new_frame();
+ ++timecode;
+ } else {
assert(video_frame.size >= unsigned(width * height * 4));
assert(!video_frame.interleaved);
memcpy(video_frame.data, buffer, width * height * 4);
video_frame.len = video_format.stride * height;
video_frame.received_timestamp = timestamp;
+ frame_callback(timecode++,
+ video_frame, 0, video_format,
+ FrameAllocator::Frame(), 0, AudioFormat());
}
- frame_callback(timecode++,
- video_frame, 0, video_format,
- FrameAllocator::Frame(), 0, AudioFormat());
+}
+
+void CEFCapture::OnLoadEnd()
+{
+ post_to_cef_ui_thread([this] {
+ loaded = true;
+ for (const string &js : deferred_javascript) {
+ CefString script_url("<theme eval>");
+ int start_line = 1;
+ browser->GetMainFrame()->ExecuteJavaScript(js, script_url, start_line);
+ }
+ deferred_javascript.clear();
+ });
}
#define FRAME_SIZE (8 << 20) // 8 MB.
cef_app->initialize_cef();
CefPostTask(TID_UI, new CEFTaskAdapter([this]{
- lock_guard<mutex> lock(browser_mutex);
+ lock_guard<recursive_mutex> lock(browser_mutex);
CefBrowserSettings browser_settings;
browser_settings.web_security = cef_state_t::STATE_DISABLED;
void CEFCapture::stop_dequeue_thread()
{
- lock_guard<mutex> lock(browser_mutex);
- cef_app->close_browser(browser);
- browser = nullptr; // Or unref_cef() will be sad.
+ {
+ lock_guard<recursive_mutex> lock(browser_mutex);
+ cef_app->close_browser(browser);
+ browser = nullptr; // Or unref_cef() will be sad.
+ }
cef_app->unref_cef();
}
bool NageruCEFClient::GetViewRect(CefRefPtr<CefBrowser> browser, CefRect &rect)
{
+ return parent->GetViewRect(rect);
+}
+
+bool CEFCapture::GetViewRect(CefRect &rect)
+{
+ lock_guard<mutex> lock(resolution_mutex);
rect = CefRect(0, 0, width, height);
return true;
}
+
+void NageruCEFClient::OnLoadEnd(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame, int httpStatusCode)
+{
+ parent->OnLoadEnd();
+}