Initial revision

1 files changed, 130 insertions, 0 deletions

diff --git a/lib/dvb/esection.cpp b/lib/dvb/esection.cpp
new file mode 100644
index 00000000..08cb49be
--- /dev/null
+++ b/lib/dvb/esection.cpp
@@ -0,0 +1,130 @@
+#include <lib/dvb/esection.h>
+#include <lib/base/eerror.h>
+
+void eGTable::sectionRead(const __u8 *d)
+{
+	unsigned int last_section_number = d[7];
+	m_table.flags &= ~eDVBTableSpec::tfAnyVersion;
+	m_table.flags |= eDVBTableSpec::tfThisVersion;
+	m_table.version = (d[5]>>1)&0x1F;
+
+
+	if (createTable(d[6], d, last_section_number + 1))
+	{
+		if (m_timeout)
+			m_timeout->stop();
+		m_reader->stop();
+		ready = 1;
+		tableReady(error);
+	} else if ((m_table.flags & eDVBTableSpec::tfHaveTimeout) && m_timeout)
+		m_timeout->start(m_table.timeout, 1); // reset timeout
+}
+
+void eGTable::timeout()
+{
+	eDebug("timeout!");
+	m_reader->stop();
+	ready = 1;
+	error = -1;
+	tableReady(error);
+}
+
+eGTable::eGTable():
+		ref(0), m_timeout(0), error(0)
+{
+}
+
+DEFINE_REF(eGTable);
+
+RESULT eGTable::start(iDVBSectionReader *reader, const eDVBTableSpec &table)
+{
+	RESULT res;
+	m_table = table;
+
+	m_reader = reader;
+	m_reader->connectRead(slot(*this, &eGTable::sectionRead), m_sectionRead_conn);
+	
+	// setup filter struct
+	eDVBSectionFilterMask mask;
+	
+	memset(&mask, 0, sizeof(mask));
+	mask.pid   = m_table.pid;
+	mask.flags = 0;
+	
+	if (m_table.flags & eDVBTableSpec::tfCheckCRC)
+		mask.flags |= eDVBSectionFilterMask::rfCRC;
+	
+	if (m_table.flags & eDVBTableSpec::tfHaveTID)
+	{
+		mask.data[0] = m_table.tid;
+		mask.mask[0] = 0xFF;
+	}
+	
+	if (m_table.flags & eDVBTableSpec::tfHaveTIDExt)
+	{
+		mask.data[1] = m_table.tidext >> 8;
+		mask.data[2] = m_table.tidext;
+		mask.mask[1] = 0xFF;
+		mask.mask[2] = 0xFF;
+	}
+	
+	if (!(m_table.flags & eDVBTableSpec::tfAnyVersion))
+	{
+		eDebug("doing version filtering");
+		mask.data[3] |= (m_table.version << 1)|1;
+		mask.mask[3] |= 0x3f;
+		if (!(m_table.flags & eDVBTableSpec::tfThisVersion))
+			mask.mode[3] |= 0x3e; // negative filtering
+	} else
+		eDebug("no version filtering");
+	
+	eDebug("%04x:  %02x %02x %02x %02x %02x %02x",
+		mask.pid,
+		mask.data[0], mask.data[1], mask.data[2],
+		mask.data[3], mask.data[4], mask.data[5]);
+	eDebug("mask:  %02x %02x %02x %02x %02x %02x",
+		mask.mask[0], mask.mask[1], mask.mask[2],
+		mask.mask[3], mask.mask[4], mask.mask[5]);
+	eDebug("mode:  %02x %02x %02x %02x %02x %02x",
+		mask.mode[0], mask.mode[1], mask.mode[2],
+		mask.mode[3], mask.mode[4], mask.mode[5]);
+
+	if ((res = m_reader->start(mask)))
+	{
+		eDebug("reader failed to start.");
+		return res;
+	}
+	
+	if (m_table.flags & eDVBTableSpec::tfHaveTimeout)
+	{
+		eDebug("have timeout, %d", m_table.timeout);
+		if (m_timeout)
+			delete m_timeout;
+		m_timeout = new eTimer(eApp);
+		m_timeout->start(m_table.timeout, 1); // begin timeout
+		CONNECT(m_timeout->timeout, eGTable::timeout);
+	}
+	
+	return 0;
+}
+
+RESULT eGTable::start(iDVBDemux *demux, const eDVBTableSpec &table)
+{
+	int res;
+	ePtr<iDVBSectionReader> reader;
+	res = demux->createSectionReader(eApp, reader);
+	if (res)
+		return res;
+	return start(reader, table);
+}
+
+eGTable::~eGTable()
+{
+	if (m_timeout)
+		delete m_timeout;
+}
+
+void eAUGTable::slotTableReady(int error)
+{
+	getNext(error);
+}