New experimental feature for saving live screenshot images, disabled until lib/driver updated

git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-beta@2041 e54a6e83-5905-42d5-8d5c-058d10e6a962

src/driver/screenshot.h

@@ -0,0 +1,60 @@
+/*
+	Neutrino-GUI  -   DBoxII-Project
+
+	Copyright (C) 2011 CoolStream International Ltd
+
+	License: GPLv2
+
+	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;
+
+	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, write to the Free Software
+	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __screenshot_h_
+#define __screenshot_h_
+
+#include <OpenThreads/Thread>
+
+class CScreenShot : public OpenThreads::Thread
+{
+	public:
+		typedef enum {
+			FORMAT_PNG,
+			FORMAT_JPG
+		} screenshot_format_t;
+
+	private:
+		screenshot_format_t format;
+		std::string filename;
+		unsigned char * pixel_data;
+		int xres;
+		int yres;
+		FILE *fd;
+
+		bool GetData();
+		bool OpenFile();
+		bool SaveFile();
+
+		bool SavePng();
+		bool SaveJpg();
+		void run();
+
+	public:
+		CScreenShot(const std::string fname = "", screenshot_format_t fmt = CScreenShot::FORMAT_JPG);
+		~CScreenShot();
+
+		void MakeFileName(const t_channel_id channel_id);
+		bool Start();
+		bool StartSync();
+};
+
+#endif