From 8aabe6351fdaff2bd5529be670846357e221a16a Mon Sep 17 00:00:00 2001
From: Andreas Monzner <andreas.monzner@multimedia-labs.de>
Date: Mon, 15 Aug 2005 23:46:05 +0000
Subject: [PATCH] add pid cache

---
 lib/dvb/db.cpp  | 13 ++++++++++
 lib/dvb/idvb.h  |  9 +++++++
 lib/dvb/pmt.cpp | 63 +++++++++++++++++++++++++++++++++++++++++--------
 lib/dvb/pmt.h   |  2 +-
 4 files changed, 76 insertions(+), 11 deletions(-)

diff --git a/lib/dvb/db.cpp b/lib/dvb/db.cpp
index cdc05fcb..92293b7e 100644
--- a/lib/dvb/db.cpp
+++ b/lib/dvb/db.cpp
@@ -74,6 +74,19 @@ int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQ
 		return res;
 }
 
+int eDVBService::getCachePID(cacheID id)
+{
+	std::map<int, int>::iterator it = m_cache.find(id);
+	if ( it != m_cache.end() )
+		return it->second;
+	return -1;
+}
+
+void eDVBService::setCachePID(cacheID id, int pid)
+{
+	m_cache[id] = pid;
+}
+
 DEFINE_REF(eDVBDB);
 
 eDVBDB::eDVBDB()
diff --git a/lib/dvb/idvb.h b/lib/dvb/idvb.h
index d338f298..1e6c61f5 100644
--- a/lib/dvb/idvb.h
+++ b/lib/dvb/idvb.h
@@ -170,6 +170,15 @@ class eDVBService: public iStaticServiceInformation
 {
 	DECLARE_REF(eDVBService);
 public:
+	enum cacheID
+	{
+		cVPID, cAPID, cTPID, cPCRPID, cAC3PID, cacheMax
+	};
+
+	int getCachePID(cacheID);
+	void setCachePID(cacheID, int);
+	bool cacheEmpty() { return m_cache.empty(); }
+
 	eDVBService();
 	std::string m_service_name;
 	std::string m_provider_name;
diff --git a/lib/dvb/pmt.cpp b/lib/dvb/pmt.cpp
index d80897b9..541a248c 100644
--- a/lib/dvb/pmt.cpp
+++ b/lib/dvb/pmt.cpp
@@ -1,4 +1,4 @@
-#include <lib/base/eerror.h>
+ #include <lib/base/eerror.h>
 #include <lib/dvb/pmt.h>
 #include <lib/dvb/specs.h>
 #include <lib/dvb/dvb.h>
@@ -6,9 +6,7 @@
 
 eDVBServicePMTHandler::eDVBServicePMTHandler()
 {
-	ePtr<eDVBResourceManager> mgr;
-	eDVBResourceManager::getInstance(mgr);
-	m_resourceManager = mgr;
+	eDVBResourceManager::getInstance(m_resourceManager);
 	CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
 	CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
 }
@@ -34,6 +32,9 @@ void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
 			/* emit */ m_resourceManager->m_channelRunning(channel);
 
 			m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
+
+			if ( m_service && !m_service->cacheEmpty() )
+				serviceEvent(eventNewProgramInfo);
 		}
 	}
 }
@@ -74,11 +75,11 @@ int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 {
 	eDebug("got PMT");
 	ePtr<eTable<ProgramMapTable> > ptr;
-	
+
 	program.videoStreams.clear();
 	program.audioStreams.clear();
 	program.pcrPid = -1;
-	
+
 	if (!m_PMT.getCurrent(ptr))
 	{
 		ProgramMapTableConstIterator i;
@@ -116,8 +117,46 @@ int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 			}
 		}
 		return 0;
-	} else
-		return -1;
+	}
+	else if ( m_service && !m_service->cacheEmpty() )
+	{
+		int vpid = m_service->getCachePID(eDVBService::cVPID),
+			apid_ac3 = m_service->getCachePID(eDVBService::cAPID),
+			apid_mpeg = m_service->getCachePID(eDVBService::cAC3PID),
+			pcrpid = m_service->getCachePID(eDVBService::cPCRPID),
+			cnt=0;
+		if ( vpid != -1 )
+		{
+			videoStream s;
+			s.pid = vpid;
+			program.videoStreams.push_back(s);
+			++cnt;
+		}
+		if ( apid_ac3 != -1 )
+		{
+			audioStream s;
+			s.type = audioStream::atAC3;
+			s.pid = apid_ac3;
+			program.audioStreams.push_back(s);
+			++cnt;
+		}
+		if ( apid_mpeg != -1 )
+		{
+			audioStream s;
+			s.type = audioStream::atMPEG;
+			s.pid = apid_mpeg;
+			program.audioStreams.push_back(s);
+			++cnt;
+		}
+		if ( pcrpid != -1 )
+		{
+			++cnt;
+			program.pcrPid = pcrpid;
+		}
+		if ( cnt )
+			return 0;
+	}
+	return -1;
 }
 
 int eDVBServicePMTHandler::getDemux(ePtr<iDVBDemux> &demux)
@@ -167,9 +206,13 @@ int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref)
 		m_last_channel_state = -1;
 		channelStateChanged(m_channel);
 	}
-	
+
 	if (m_pvr_channel)
 		m_pvr_channel->playFile(ref.path.c_str());
-	
+
+	ePtr<iDVBChannelList> db;
+	if (!m_resourceManager->getChannelList(db))
+		db->getService((eServiceReferenceDVB&)m_reference, m_service);
+
 	return res;
 }
diff --git a/lib/dvb/pmt.h b/lib/dvb/pmt.h
index d8ea062b..9d35aa4c 100644
--- a/lib/dvb/pmt.h
+++ b/lib/dvb/pmt.h
@@ -11,7 +11,7 @@
 class eDVBServicePMTHandler: public Object
 {
 	eServiceReferenceDVB m_reference;
-//	ePtr<eDVBService> m_service;
+	ePtr<eDVBService> m_service;
 
 	int m_last_channel_state;
 	
-- 
2.30.2