diff options
Diffstat (limited to 'device.c')
| -rw-r--r-- | device.c | 38 |
1 files changed, 13 insertions, 25 deletions
@@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: device.c 1.128 2006/04/14 14:34:43 kls Exp $ + * $Id: device.c 1.130 2006/05/27 11:14:42 kls Exp $ */ #include "device.h" @@ -281,32 +281,20 @@ cDevice *cDevice::GetDevice(int Index) cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool *NeedsDetachReceivers) { cDevice *d = NULL; - int select = INT_MAX; - + uint Impact = 0xFFFFFFFF; for (int i = 0; i < numDevices; i++) { bool ndr; if (device[i]->ProvidesChannel(Channel, Priority, &ndr)) { // this device is basicly able to do the job - int pri; - if (device[i]->Receiving() && !ndr) - pri = 0; // receiving and allows additional receivers - else if (!device[i]->Receiving(true) && d && device[i]->ProvidesCa(Channel) < d->ProvidesCa(Channel)) - pri = 1; // free and fewer Ca's - else if (!device[i]->Receiving() && !device[i]->HasDecoder()) - pri = 2; // free and not a full featured card - else if (!device[i]->Receiving() && device[i] != ActualDevice()) - pri = 3; // free and not the actual device - else if (!device[i]->Receiving() && !device[i]->IsPrimaryDevice()) - pri = 4; // free and not the primary device - else if (!device[i]->Receiving()) - pri = 5; // free - else if (d && device[i]->Priority() < d->Priority()) - pri = 6; // receiving but priority is lower - else if (d && device[i]->Priority() == d->Priority() && device[i]->ProvidesCa(Channel) < d->ProvidesCa(Channel)) - pri = 7; // receiving with same priority but fewer Ca's - else - pri = 8; // all others - if (pri <= select) { - select = pri; + uint imp = 0; + imp <<= 1; imp |= !device[i]->Receiving() || ndr; + imp <<= 1; imp |= device[i]->Receiving(); + imp <<= 1; imp |= device[i] == ActualDevice(); + imp <<= 1; imp |= device[i]->IsPrimaryDevice(); + imp <<= 1; imp |= device[i]->HasDecoder(); + imp <<= 8; imp |= min(max(device[i]->Priority() + MAXPRIORITY, 0), 0xFF); + imp <<= 8; imp |= min(max(device[i]->ProvidesCa(Channel), 0), 0xFF); + if (imp < Impact) { + Impact = imp; d = device[i]; if (NeedsDetachReceivers) *NeedsDetachReceivers = ndr; @@ -613,7 +601,7 @@ eSetChannelResult cDevice::SetChannel(const cChannel *Channel, bool LiveView) StopReplay(); // If this card is switched to an other transponder, any receivers still - // attached to it ineed to be automatically detached: + // attached to it need to be automatically detached: bool NeedsDetachReceivers = false; // If this card can't receive this channel, we must not actually switch |