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vdr-plugin-femon
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Added initial support for CAMs.

This commit is contained in:
Rolf Ahrenberg 2014-01-12 22:24:50 +02:00
parent 84572d2187
commit 08223cf6c4
1 changed files with 63 additions and 6 deletions
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69
femonosd.c
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@ -843,14 +843,71 @@ bool cFemonOsd::DeviceSwitch(int direction)
if (--device < 0)
device = cDevice::NumDevices() - 1;
}
if (cDevice::GetDevice(device)->ProvidesChannel(channel, 0)) {
debug("%s(%d) device(%d)\n", __PRETTY_FUNCTION__, direction, device);
// Collect the current priorities of all CAM slots that can decrypt the channel:
int NumCamSlots = CamSlots.Count();
int SlotPriority[NumCamSlots];
int NumUsableSlots = 0;
bool NeedsDetachAllReceivers = false;
bool InternalCamNeeded = false;
bool ValidDevice = false;
cCamSlot *s = NULL;
cDevice *d = cDevice::GetDevice(device);
if (channel->Ca() >= CA_ENCRYPTED_MIN) {
for (cCamSlot *CamSlot = CamSlots.First(); CamSlot; CamSlot = CamSlots.Next(CamSlot)) {
SlotPriority[CamSlot->Index()] = MAXPRIORITY + 1; // assumes it can't be used
if (CamSlot->ModuleStatus() == msReady) {
if (CamSlot->ProvidesCa(channel->Caids())) {
if (!ChannelCamRelations.CamChecked(channel->GetChannelID(), CamSlot->SlotNumber())) {
SlotPriority[CamSlot->Index()] = CamSlot->Priority();
NumUsableSlots++;
}
}
}
}
if (!NumUsableSlots)
InternalCamNeeded = true; // no CAM is able to decrypt this channel
}
for (int j = 0; j < NumCamSlots || !NumUsableSlots; ++j) {
if (NumUsableSlots && SlotPriority[j] > MAXPRIORITY)
continue; // there is no CAM available in this slot
bool HasInternalCam = d->HasInternalCam();
if (InternalCamNeeded && !HasInternalCam)
continue; // no CAM is able to decrypt this channel and the device uses vdr handled CAMs
if (NumUsableSlots && !HasInternalCam && !CamSlots.Get(j)->Assign(d, true))
continue; // CAM slot can't be used with this device
if (d->ProvidesChannel(channel, 0, &NeedsDetachAllReceivers)) { // this device is basically able to do the job
debug("%s(%d) device(%d)\n", __PRETTY_FUNCTION__, direction, device);
if (NumUsableSlots && !HasInternalCam && d->CamSlot() && d->CamSlot() != CamSlots.Get(j))
NeedsDetachAllReceivers = true; // using a different CAM slot requires detaching receivers
if (NumUsableSlots && !HasInternalCam)
s = CamSlots.Get(j);
ValidDevice = true;
break;
}
if (!NumUsableSlots)
break; // no CAM necessary, so just one loop over the devices
}
// Do the actual switch if valid device found
if (d && ValidDevice) {
cStatus::MsgChannelSwitch(cDevice::PrimaryDevice(), 0, true);
cControl::Shutdown();
cDevice::GetDevice(device)->SwitchChannel(channel, true);
if (cDevice::GetDevice(device) == cDevice::PrimaryDevice())
cDevice::GetDevice(device)->ForceTransferMode();
cControl::Launch(new cTransferControl(cDevice::GetDevice(device), channel));
if (NeedsDetachAllReceivers)
d->DetachAllReceivers();
if (s) {
if (s->Device() != d) {
if (s->Device())
s->Device()->DetachAllReceivers();
if (d->CamSlot())
d->CamSlot()->Assign(NULL);
s->Assign(d);
}
}
else if (d->CamSlot() && !d->CamSlot()->IsDecrypting())
d->CamSlot()->Assign(NULL);
d->SwitchChannel(channel, true);
if (d == cDevice::PrimaryDevice())
d->ForceTransferMode();
cControl::Launch(new cTransferControl(d, channel));
cStatus::MsgChannelSwitch(cDevice::PrimaryDevice(), channel->Number(), true);
return (true);
}