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The mechanism of trying different CAMs when switching to an encrypted channel is now only triggered if there acually is more than one CAM in the system

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Klaus Schmidinger 2017-01-09 14:27:36 +01:00
parent d1ddb39781
commit 196f2af596
2 changed files with 11 additions and 8 deletions
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3
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@ -8894,4 +8894,5 @@ Video Disk Recorder Revision History
by Dietmar Spingler). This speeds up switching to encrypted channels after
newly starting VDR, in case there is more than one CAM in the system.
- Fixed a flaw in handling timeouts for encrypted channels.
- The mechanism of trying different CAMs when switching to an encrypted channel is
now only triggered if there acually is more than one CAM in the system.

16
device.c
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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: device.c 4.4 2017/01/09 12:51:05 kls Exp $
* $Id: device.c 4.5 2017/01/09 14:25:38 kls Exp $
*/
#include "device.h"
@ -1678,12 +1678,14 @@ bool cDevice::AttachReceiver(cReceiver *Receiver)
Unlock();
if (camSlot && Receiver->priority > MINPRIORITY) { // priority check to avoid an infinite loop with the CAM slot's caPidReceiver
camSlot->StartDecrypting();
startScrambleDetection = time(NULL);
scramblingTimeout = TS_SCRAMBLING_TIMEOUT;
bool KnownToDecrypt = ChannelCamRelations.CamDecrypt(Receiver->ChannelID(), camSlot->SlotNumber());
if (KnownToDecrypt)
scramblingTimeout *= 10; // give it time to receive ECM/EMM
dsyslog("CAM %d: %sknown to decrypt channel %s (scramblingTimeout = %ds)", camSlot->SlotNumber(), KnownToDecrypt ? "" : "not ", *Receiver->ChannelID().ToString(), scramblingTimeout);
if (CamSlots.Count() > 1) { // don't try different CAMs if there is only one
startScrambleDetection = time(NULL);
scramblingTimeout = TS_SCRAMBLING_TIMEOUT;
bool KnownToDecrypt = ChannelCamRelations.CamDecrypt(Receiver->ChannelID(), camSlot->SlotNumber());
if (KnownToDecrypt)
scramblingTimeout *= 10; // give it time to receive ECM/EMM
dsyslog("CAM %d: %sknown to decrypt channel %s (scramblingTimeout = %ds)", camSlot->SlotNumber(), KnownToDecrypt ? "" : "not ", *Receiver->ChannelID().ToString(), scramblingTimeout);
}
}
Start();
return true;