From d63d2c3c6cbbd574dda4f8b00ebe6c661735edd5 Mon Sep 17 00:00:00 2001
From: Felix Domke <tmbinc@elitedvb.net>
Date: Fri, 17 Oct 2003 15:36:42 +0000
Subject: import of enigma2

---
 lib/dvb_si/linkage_descriptor.cpp | 107 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 lib/dvb_si/linkage_descriptor.cpp

(limited to 'lib/dvb_si/linkage_descriptor.cpp')

diff --git a/lib/dvb_si/linkage_descriptor.cpp b/lib/dvb_si/linkage_descriptor.cpp
new file mode 100644
index 00000000..77b991e1
--- /dev/null
+++ b/lib/dvb_si/linkage_descriptor.cpp
@@ -0,0 +1,107 @@
+/*
+ * $Id: linkage_descriptor.cpp,v 1.1 2003-10-17 15:36:37 tmbinc Exp $
+ *
+ * (C) 2003 Andreas Oberritter <obi@saftware.de>
+ *
+ * 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, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <lib/dvb_si/linkage_descriptor.h>
+
+LinkageDescriptor::LinkageDescriptor(const uint8_t * const buffer) : Descriptor(buffer)
+{
+	transportStreamId = (buffer[2] << 8) | buffer[3];
+	originalNetworkId = (buffer[4] << 8) | buffer[5];
+	serviceId = (buffer[6] << 8) | buffer[7];
+	linkageType = buffer[8];
+
+	if (linkageType != 0x08)
+	{
+		if (descriptorLength < 7)
+			return;
+
+		for (uint16_t i = 0; i < descriptorLength - 7; ++i)
+			privateDataBytes.push_back(buffer[i + 9]);
+	}
+
+	else {
+		handOverType = (buffer[9] >> 4) & 0x0f;
+		reserved = (buffer[9] >> 1) & 0x07;
+		originType = buffer[9] & 0x01;
+
+		uint8_t offset = 0;
+
+		if ((handOverType >= 0x01) && (handOverType <= 0x03)) {
+			networkId = (buffer[10] << 8) | buffer[11];
+			offset += 2;
+		}
+
+		if (originType == 0x00) {
+			initialServiceId = (buffer[offset + 10] << 8) | buffer[offset + 11];
+			offset += 2;
+		}
+		
+		if (descriptorLength >= (unsigned)(offset+8))
+			for (uint16_t i = 0; i < descriptorLength - (offset + 8); ++i)
+				privateDataBytes.push_back(buffer[i + offset + 10]);
+	}
+}
+
+uint16_t LinkageDescriptor::getTransportStreamId(void) const
+{
+	return transportStreamId;
+}
+
+uint16_t LinkageDescriptor::getOriginalNetworkId(void) const
+{
+	return originalNetworkId;
+}
+
+uint16_t LinkageDescriptor::getServiceId(void) const
+{
+	return serviceId;
+}
+
+uint8_t LinkageDescriptor::getLinkageType(void) const
+{
+	return linkageType;
+}
+
+const PrivateDataByteVector *LinkageDescriptor::getPrivateDataBytes(void) const
+{
+	return &privateDataBytes;
+}
+
+uint8_t LinkageDescriptor::getHandOverType(void) const
+{
+	return handOverType;
+}
+
+uint8_t LinkageDescriptor::getOriginType(void) const
+{
+	return originType;
+}
+
+uint16_t LinkageDescriptor::getNetworkId(void) const
+{
+	return networkId;
+}
+
+uint16_t LinkageDescriptor::getInitialServiceId(void) const
+{
+	return initialServiceId;
+}
+
-- 
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