X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/d63d2c3c6cbbd574dda4f8b00ebe6c661735edd5..33a78f65a250068a9c82707b704fb38f3a54091e:/lib/dvb/dvb.h

diff --git a/lib/dvb/dvb.h b/lib/dvb/dvb.h
index f6aae238..d9f049eb 100644
--- a/lib/dvb/dvb.h
+++ b/lib/dvb/dvb.h
@@ -7,20 +7,139 @@
 #include <connection.h>
 
 class eDVBChannel;
+class eDVBChannel;
+
+	/* we do NOT handle resource conflicts here. instead, the allocateChannel
+	   fails, and the application has to see why the channel is allocated
+	   (and how to deallocate it). */
+class iDVBAdapter;
+
+class eDVBRegisteredFrontend: public iObject
+{
+DECLARE_REF(eDVBRegisteredFrontend);
+public:
+	iDVBAdapter *m_adapter;
+	ePtr<eDVBFrontend> m_frontend;
+	int m_inuse;
+	eDVBRegisteredFrontend(eDVBFrontend *fe, iDVBAdapter *adap): m_adapter(adap), m_frontend(fe), m_inuse(0) { }
+};
+
+struct eDVBRegisteredDemux
+{
+DECLARE_REF(eDVBRegisteredDemux);
+public:
+	iDVBAdapter *m_adapter;
+	ePtr<eDVBDemux> m_demux;
+	int m_inuse;
+	eDVBRegisteredDemux(eDVBDemux *demux, iDVBAdapter *adap): m_adapter(adap), m_demux(demux), m_inuse(0) { }
+};
+
+class eDVBAllocatedFrontend
+{
+DECLARE_REF(eDVBAllocatedFrontend);
+public:
+	
+	eDVBAllocatedFrontend(eDVBRegisteredFrontend *fe);
+	~eDVBAllocatedFrontend();
+	eDVBFrontend &get() { return *m_fe->m_frontend; }
+	operator eDVBRegisteredFrontend*() { return m_fe; }
+	operator eDVBFrontend*() { return m_fe->m_frontend; }
+
+private:
+	eDVBRegisteredFrontend *m_fe;
+};
+
+class eDVBAllocatedDemux
+{
+DECLARE_REF(eDVBAllocatedDemux);
+public:
+	
+	eDVBAllocatedDemux(eDVBRegisteredDemux *demux);
+	~eDVBAllocatedDemux();
+	eDVBDemux &get() { return *m_demux->m_demux; }
+	operator eDVBRegisteredDemux*() { return m_demux; }
+	operator eDVBDemux*() { return m_demux->m_demux; }
+	
+private:
+	eDVBRegisteredDemux *m_demux;
+};
+
+class iDVBAdapter: public iObject
+{
+public:
+	virtual int getNumDemux() = 0;
+	virtual RESULT getDemux(ePtr<eDVBDemux> &demux, int nr) = 0;
+	
+	virtual int getNumFrontends() = 0;
+	virtual RESULT getFrontend(ePtr<eDVBFrontend> &fe, int nr) = 0;
+};
+
+class eDVBAdapterLinux: public iDVBAdapter
+{
+DECLARE_REF(eDVBAdapterLinux);
+public:
+	eDVBAdapterLinux(int nr);
+
+	int getNumDemux();
+	RESULT getDemux(ePtr<eDVBDemux> &demux, int nr);
+	
+	int getNumFrontends();
+	RESULT getFrontend(ePtr<eDVBFrontend> &fe, int nr);
+	
+	static int exist(int nr);
+private:
+	int m_nr;
+	eSmartPtrList<eDVBFrontend> m_frontend;
+	eSmartPtrList<eDVBDemux>    m_demux;
+};
 
-class eDVBResourceManager: public virtual iDVBResourceManager
+class eDVBResourceManager: public iObject
 {
-	DECLARE_REF;
+	DECLARE_REF(eDVBResourceManager);
 	int avail, busy;
-	struct adapter
+	
+	eSmartPtrList<iDVBAdapter> m_adapter;
+	
+	eSmartPtrList<eDVBRegisteredDemux> m_demux;
+	eSmartPtrList<eDVBRegisteredFrontend> m_frontend;
+	
+	void addAdapter(iDVBAdapter *adapter);
+	
+			/* allocates a frontend able to tune to channelID "chid".
+			   the frontend must be tuned lateron. there is no guarante
+			   that tuning will suceed - it just means that if this frontend
+			   can't tune, no other frontend could do it.
+			   
+			   there might be a priority given to certain frontend/chid 
+			   combinations. this will be evaluated here. */
+			   
+	RESULT allocateFrontend(const eDVBChannelID &chid, ePtr<eDVBAllocatedFrontend> &fe);
+	
+			/* allocate a demux able to filter on the selected frontend. */
+	RESULT allocateDemux(eDVBRegisteredFrontend *fe, ePtr<eDVBAllocatedDemux> &demux);
+	
+	struct active_channel
 	{
-		eSmartPtrList<eDVBFrontend> fe;
-		eSmartPtrList<eDVBDemux> demux;
+		eDVBChannelID m_channel_id;
+			/* we don't hold a reference here. */
+		eDVBChannel *m_channel;
+		
+		active_channel(const eDVBChannelID &chid, eDVBChannel *ch) : m_channel_id(chid), m_channel(ch) { }
 	};
-	std::multimap<eDVBChannelID,eDVBChannel*> m_active_channels;
+	
+	std::list<active_channel> m_active_channels;
+	
 	ePtr<iDVBChannelList> m_list;
 	ePtr<iDVBSatelliteEquipmentControl> m_sec;
 	static eDVBResourceManager *instance;
+	
+	friend class eDVBChannel;
+	RESULT addChannel(const eDVBChannelID &chid, eDVBChannel *ch);
+	RESULT removeChannel(eDVBChannel *ch);
+	
+	Signal1<void,eDVBChannel*> m_channelAdded;
+	Signal1<void,eDVBChannel*> m_channelRemoved;
+	Signal1<void,iDVBChannel*> m_channelRunning;
 public:
 	eDVBResourceManager();
 	virtual ~eDVBResourceManager();
@@ -30,38 +149,70 @@ public:
 	RESULT setChannelList(iDVBChannelList *list);
 	RESULT getChannelList(ePtr<iDVBChannelList> &list);
 	
-	RESULT allocateChannel(const eDVBChannelID &channelid, ePtr<iDVBChannel> &channel);
-	RESULT allocateRawChannel(ePtr<iDVBChannel> &channel);
-	RESULT allocatePVRChannel(int caps);
+	enum {
+		errNoFrontend = -1,
+		errNoDemux    = -2,
+		errChidNotFound = -3
+	};
 	
-	RESULT addChannel(const eDVBChannelID &chid, eDVBChannel *ch);
-	RESULT removeChannel(const eDVBChannelID &chid, eDVBChannel *ch);
+		/* allocate channel... */
+	RESULT allocateChannel(const eDVBChannelID &channelid, eUsePtr<iDVBChannel> &channel);
+	RESULT allocateRawChannel(eUsePtr<iDVBChannel> &channel);
+	RESULT allocatePVRChannel(eUsePtr<iDVBPVRChannel> &channel);
+
+	RESULT connectChannelAdded(const Slot1<void,eDVBChannel*> &channelAdded, ePtr<eConnection> &connection);
+	RESULT connectChannelRemoved(const Slot1<void,eDVBChannel*> &channelRemoved, ePtr<eConnection> &connection);
+	RESULT connectChannelRunning(const Slot1<void,iDVBChannel*> &channelRemoved, ePtr<eConnection> &connection);
 };
 
-class eDVBChannel: public virtual iDVBChannel, public virtual eDVBDemux, public Object
+class eFilePushThread;
+
+	/* iDVBPVRChannel includes iDVBChannel. don't panic. */
+class eDVBChannel: public iDVBPVRChannel, public Object
 {
-	ePtr<eDVBFrontend> m_frontend;
+	DECLARE_REF(eDVBChannel);
+private:
+	ePtr<eDVBAllocatedFrontend> m_frontend;
+	ePtr<eDVBAllocatedDemux> m_demux;
+	
 	ePtr<iDVBFrontendParameters> m_current_frontend_parameters;
 	eDVBChannelID m_channel_id;
 	Signal1<void,iDVBChannel*> m_stateChanged;
 	int m_state;
+
+			/* for channel list */
 	ePtr<eDVBResourceManager> m_mgr;
 	
 	void frontendStateChanged(iDVBFrontend*fe);
 	ePtr<eConnection> m_conn_frontendStateChanged;
+	
+		/* for PVR playback */
+	eFilePushThread *m_pvr_thread;
+	int m_pvr_fd_src, m_pvr_fd_dst;
+
+	friend class eUsePtr<eDVBChannel>;
+		/* use count */
+	oRefCount m_use_count;
+	void AddUse();
+	void ReleaseUse();
 public:
-	eDVBChannel(eDVBResourceManager *mgr, int adapter, int frontend, int demux);
+	eDVBChannel(eDVBResourceManager *mgr, eDVBAllocatedFrontend *frontend, eDVBAllocatedDemux *demux);
 	virtual ~eDVBChannel();
 
-		/* only for managed channels */
+		/* only for managed channels - effectively tunes to the channelid. should not be used... */
+		/* cannot be used for PVR channels. */
 	RESULT setChannel(const eDVBChannelID &id);
-	
+	eDVBChannelID getChannelID() { return m_channel_id; }
+
 	RESULT connectStateChange(const Slot1<void,iDVBChannel*> &stateChange, ePtr<eConnection> &connection);
 	RESULT getState(int &state);
 
 	RESULT setCIRouting(const eDVBCIRouting &routing);
 	RESULT getDemux(ePtr<iDVBDemux> &demux);
 	RESULT getFrontend(ePtr<iDVBFrontend> &frontend);
+	
+		/* iDVBPVRChannel */
+	RESULT playFile(const char *file);
 };
 
 #endif