add implementation for boxtype "generic"

This is mostly a dummy implementation except for the dmx class which
should be working. It is intended for testing on PCs with budget
DVB cards which don't have a decoder anyway.


Origin commit data
------------------
Branch: master
Commit: 9f433f9dfa
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2012-10-08 (Mon, 08 Oct 2012)



------------------
This commit was generated by Migit

generic-pc/video.cpp

@@ -0,0 +1,150 @@
+/*
+ * (C) 2002-2003 Andreas Oberritter <obi@tuxbox.org>
+ * (C) 2010-2012 Stefan Seyfried
+ *
+ * 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, write to the Free Software
+ * Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA
+ */
+
+/* this is a dummy implementation with no functionality at all */
+
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <utime.h>
+#include <errno.h>
+#include <ctype.h>
+
+#include <cstring>
+#include <cstdio>
+#include <cstdlib>
+
+#include <pthread.h>
+
+#include <linux/types.h>
+#include <linux/dvb/video.h>
+#include "video_lib.h"
+#define VIDEO_DEVICE "/dev/dvb/adapter0/video0"
+#include "lt_debug.h"
+#define lt_debug(args...) _lt_debug(TRIPLE_DEBUG_VIDEO, this, args)
+#define lt_info(args...) _lt_info(TRIPLE_DEBUG_VIDEO, this, args)
+#define lt_debug_c(args...) _lt_debug(TRIPLE_DEBUG_VIDEO, NULL, args)
+#define lt_info_c(args...) _lt_info(TRIPLE_DEBUG_VIDEO, NULL, args)
+
+#define fop(cmd, args...) ({				\
+	int _r;						\
+	if (fd >= 0) { 					\
+		if ((_r = ::cmd(fd, args)) < 0)		\
+			lt_info(#cmd"(fd, "#args")\n");	\
+		else					\
+			lt_debug(#cmd"(fd, "#args")\n");\
+	}						\
+	else { _r = fd; } 				\
+	_r;						\
+})
+
+cVideo * videoDecoder = NULL;
+int system_rev = 0;
+
+cVideo::cVideo(int, void *, void *)
+{
+	lt_debug("%s\n", __FUNCTION__);
+}
+
+cVideo::~cVideo(void)
+{
+}
+
+int cVideo::setAspectRatio(int, int)
+{
+	return 0;
+}
+
+int cVideo::getAspectRatio(void)
+{
+	return 1;
+}
+
+int cVideo::setCroppingMode(int)
+{
+	return 0;
+}
+
+int cVideo::Start(void *, unsigned short, unsigned short, void *)
+{
+	return 0;
+}
+
+int cVideo::Stop(bool)
+{
+	return 0;
+}
+
+int cVideo::setBlank(int)
+{
+	return 1;
+}
+
+int cVideo::SetVideoSystem(int, bool)
+{
+	return 0;
+}
+
+int cVideo::getPlayState(void)
+{
+	return VIDEO_PLAYING;
+}
+
+void cVideo::SetVideoMode(analog_mode_t)
+{
+}
+
+void cVideo::ShowPicture(const char *)
+{
+}
+
+void cVideo::StopPicture()
+{
+}
+
+void cVideo::Standby(unsigned int)
+{
+}
+
+int cVideo::getBlank(void)
+{
+	return 0;
+}
+
+void cVideo::Pig(int, int, int, int, int, int)
+{
+}
+
+void cVideo::getPictureInfo(int &width, int &height, int &rate)
+{
+	width = 720;
+	height = 576;
+	rate = 50;
+}
+
+void cVideo::SetSyncMode(AVSYNC_TYPE)
+{
+};
+
+int cVideo::SetStreamType(VIDEO_FORMAT)
+{
+	return 0;
+}