X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=cef_capture.h;h=29dededf7b60ad8696dfaec10c71c7f7e84844f4;hb=ffd68fbfb90242069af957f2a28908f0559f8348;hp=dc74b30d527c4c28d6d54cb2ec1431ed77039fde;hpb=b68d8a25951faf5b967b7a35fa0a363b4b68fbc0;p=nageru

diff --git a/cef_capture.h b/cef_capture.h
index dc74b30..29deded 100644
--- a/cef_capture.h
+++ b/cef_capture.h
@@ -17,6 +17,7 @@
 #include <set>
 #include <string>
 #include <thread>
+#include <vector>
 
 #undef CHECK
 #include <cef_client.h>
@@ -31,23 +32,33 @@ class CEFCapture;
 
 // A helper class for CEFCapture to proxy information to CEF, without becoming
 // CEF-refcounted itself.
-class NageruCEFClient : public CefClient, public CefRenderHandler
+class NageruCEFClient : public CefClient, public CefRenderHandler, public CefLoadHandler
 {
 public:
-	NageruCEFClient(int width, int height, CEFCapture *parent)
-		: width(width), height(height), parent(parent) {}
+	NageruCEFClient(CEFCapture *parent)
+		: parent(parent) {}
 
 	CefRefPtr<CefRenderHandler> GetRenderHandler() override
 	{
 		return this;
 	}
 
+	CefRefPtr<CefLoadHandler> GetLoadHandler() override
+	{
+		return this;
+	}
+
+	// CefRenderHandler.
+
 	void OnPaint(CefRefPtr<CefBrowser> browser, PaintElementType type, const RectList &dirtyRects, const void *buffer, int width, int height) override;
 
-	bool GetViewRect(CefRefPtr<CefBrowser> browser, CefRect &rect);
+	bool GetViewRect(CefRefPtr<CefBrowser> browser, CefRect &rect) override;
+
+	// CefLoadHandler.
+
+	void OnLoadEnd(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame, int httpStatusCode) override;
 
 private:
-	int width, height;
 	CEFCapture *parent;
 
 	IMPLEMENT_REFCOUNTING(NageruCEFClient);
@@ -69,7 +80,17 @@ public:
 		return card_index;
 	}
 
+	void set_url(const std::string &url);
+	void reload();
+	void set_max_fps(int max_fps);
+	void execute_javascript_async(const std::string &js);
+	void resize(unsigned width, unsigned height);
+	void request_new_frame();
+
+	// Callbacks from NageruCEFClient.
 	void OnPaint(const void *buffer, int width, int height);
+	bool GetViewRect(CefRect &rect);
+	void OnLoadEnd();
 
 	// CaptureInterface.
 	void set_video_frame_allocator(bmusb::FrameAllocator *allocator) override
@@ -127,7 +148,7 @@ public:
 		assert(pixel_format == bmusb::PixelFormat_8BitBGRA);
 	}
 
-	bmusb::PixelFormat get_current_pixel_format() const
+	bmusb::PixelFormat get_current_pixel_format() const override
 	{
 		return bmusb::PixelFormat_8BitBGRA;
 	}
@@ -145,8 +166,16 @@ public:
 	uint32_t get_current_audio_input() const override { return 0; }
 
 private:
+	void post_to_cef_ui_thread(std::function<void()> &&func, int64_t delay_ms = 0);
+
 	CefRefPtr<NageruCEFClient> cef_client;
-	unsigned width, height;
+
+	// Needs to be different from browser_mutex below, since GetViewRect
+	// can be called unpredictably from when we are already holding
+	// <browser_mutex>.
+	std::mutex resolution_mutex;
+	unsigned width, height;  // Under <resolution_mutex>.
+
 	int card_index = -1;
 
 	bool has_dequeue_callbacks = false;
@@ -158,6 +187,23 @@ private:
 	bmusb::frame_callback_t frame_callback = nullptr;
 
 	std::string description, start_url;
+	std::atomic<int> max_fps{60};
+
+	// Needs to be recursive because the lambda in OnPaint could cause
+	// OnPaint itself to be called.
+	std::recursive_mutex browser_mutex;
+	CefRefPtr<CefBrowser> browser;  // Under <browser_mutex>.
+
+	// Tasks waiting for <browser> to get ready. Under <browser_mutex>.
+	std::vector<std::function<void()>> deferred_tasks;
+
+	// Whether the last set_url() (includes the implicit one in the constructor)
+	// has loaded yet. Accessed from the CEF thread only.
+	bool loaded = false;
+
+	// JavaScript waiting for the first page (well, any page) to have loaded.
+	// Accessed from the CEF thread only.
+	std::vector<std::string> deferred_javascript;
 
 	int timecode = 0;
 };