X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=cef_capture.cpp;h=f692c857f0201b1800a7cd913fdb40af3b701fbb;hb=b9feb66845bf24465b7671ac9ff7a52b88f6032b;hp=9dc454ba33d426a6abfcb86234c36e193f221c66;hpb=4dcab181655d215ad0105f8adfe76dd6fd8bd201;p=nageru

diff --git a/cef_capture.cpp b/cef_capture.cpp
index 9dc454b..f692c85 100644
--- a/cef_capture.cpp
+++ b/cef_capture.cpp
@@ -39,11 +39,15 @@ CEFCapture::~CEFCapture()
 	}
 }
 
-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));
 	}
@@ -86,6 +90,26 @@ void CEFCapture::execute_javascript_async(const string &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();
@@ -105,9 +129,7 @@ void CEFCapture::OnPaint(const void *buffer, int width, int height)
 		// (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.)
-		post_to_cef_ui_thread([this] {
-			browser->GetHost()->Invalidate(PET_VIEW);
-		});
+		request_new_frame();
 		++timecode;
 	} else {
 		assert(video_frame.size >= unsigned(width * height * 4));
@@ -149,7 +171,7 @@ void CEFCapture::start_bm_capture()
 	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;
@@ -168,9 +190,11 @@ void CEFCapture::start_bm_capture()
 
 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();
 }
 
@@ -224,6 +248,12 @@ void NageruCEFClient::OnPaint(CefRefPtr<CefBrowser> browser, PaintElementType ty
 
 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;
 }