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Implemented "Device Bonding"

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This commit is contained in:
Klaus Schmidinger
2011-12-04 12:45:26 +01:00
parent a964269fe9
commit a49ce434f6
40 changed files with 740 additions and 86 deletions
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36
dvbdevice.h
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@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: dvbdevice.h 2.16 2011/08/26 12:55:45 kls Exp $
* $Id: dvbdevice.h 2.17 2011/11/27 11:56:57 kls Exp $
*/
#ifndef __DVBDEVICE_H
@@ -122,10 +122,40 @@ private:
int numProvidedSystems;
fe_delivery_system frontendType;
int fd_dvr, fd_ca;
static cMutex bondMutex;
cDvbDevice *bondedDevice;
mutable bool needsDetachBondedReceivers;
public:
cDvbDevice(int Adapter, int Frontend);
virtual ~cDvbDevice();
virtual bool Ready(void);
static bool BondDevices(const char *Bondings);
///< Bonds the devices as defined in the given Bondings string.
///< A bonding is a sequence of device numbers (starting at 1),
///< separated by '+' characters. Several bondings are separated by
///< commas, as in "1+2,3+4+5".
///< Returns false if an error occurred.
static void UnBondDevices(void);
///< Unbonds all devices.
bool Bond(cDvbDevice *Device);
///< Bonds this device with the given Device, making both of them use
///< the same satellite cable and LNB. Only DVB-S(2) devices can be
///< bonded. When this function is called, the calling device must
///< not be bonded to any other device. The given Device, however,
///< may already be bonded to an other device. That way several devices
///< can be bonded together.
///< Returns true if the bonding was successful.
void UnBond(void);
///< Removes this device from any bonding it might have with other
///< devices. If this device is not bonded with any other device,
///< nothing happens.
bool BondingOk(const cChannel *Channel, bool ConsiderOccupied = false) const;
///< Returns true if this device is either not bonded to any other
///< device, or the given Channel is on the same satellite, polarization
///< and band as those the bonded devices are tuned to (if any).
///< If ConsiderOccupied is true, any bonded devices that are currently
///< occupied but not otherwise receiving will cause this function to
///< return false.
// Common Interface facilities:
@@ -145,7 +175,8 @@ public:
virtual int SignalStrength(void) const;
virtual int SignalQuality(void) const;
virtual const cChannel *GetCurrentlyTunedTransponder(void) const;
virtual bool IsTunedToTransponder(const cChannel *Channel);
virtual bool IsTunedToTransponder(const cChannel *Channel) const;
virtual bool MaySwitchTransponder(const cChannel *Channel) const;
protected:
virtual bool SetChannelDevice(const cChannel *Channel, bool LiveView);
public:
@@ -187,6 +218,7 @@ protected:
virtual bool OpenDvr(void);
virtual void CloseDvr(void);
virtual bool GetTSPacket(uchar *&Data);
virtual void DetachAllReceivers(void);
};
// A plugin that implements a DVB device derived from cDvbDevice needs to create