Implemented automatic PID switching and channel detection

1 files changed, 25 insertions, 17 deletions

diff --git a/device.c b/device.c
index 20cbe5c5..8f73a142 100644
--- a/device.c
+++ b/device.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: device.c 1.50 2003/12/22 10:53:45 kls Exp $
+ * $Id: device.c 1.51 2004/01/04 11:30:05 kls Exp $
  */
 
 #include "device.h"
@@ -47,6 +47,7 @@ cDevice::cDevice(void)
   sectionHandler = NULL;
   eitFilter = NULL;
   patFilter = NULL;
+  sdtFilter = NULL;
 
   ciHandler = NULL;
   player = NULL;
@@ -68,8 +69,9 @@ cDevice::~cDevice()
   for (int i = 0; i < MAXRECEIVERS; i++)
       Detach(receiver[i]);
   delete ciHandler;
-  delete eitFilter;
+  delete sdtFilter;
   delete patFilter;
+  delete eitFilter;
   delete sectionHandler;
 }
 
@@ -157,7 +159,7 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool *NeedsDe
       if (device[i]->ProvidesChannel(Channel, Priority, &ndr)) { // this device is basicly able to do the job
          if (device[i]->Receiving() && !ndr)
             pri = 0; // receiving and allows additional receivers
-         else if (d && !device[i]->Receiving() && device[i]->ProvidesCa(Channel->Ca()) < d->ProvidesCa(Channel->Ca()))
+         else if (d && !device[i]->Receiving() && device[i]->ProvidesCa(Channel) < d->ProvidesCa(Channel))
             pri = 1; // free and fewer Ca's
          else if (!device[i]->Receiving() && !device[i]->IsPrimaryDevice())
             pri = 2; // free and not the primary device
@@ -165,7 +167,7 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool *NeedsDe
             pri = 3; // free
          else if (d && device[i]->Priority() < d->Priority())
             pri = 4; // receiving but priority is lower
-         else if (d && device[i]->Priority() == d->Priority() && device[i]->ProvidesCa(Channel->Ca()) < d->ProvidesCa(Channel->Ca()))
+         else if (d && device[i]->Priority() == d->Priority() && device[i]->ProvidesCa(Channel) < d->ProvidesCa(Channel))
             pri = 5; // receiving with same priority but fewer Ca's
          else
             pri = 6; // all others
@@ -325,6 +327,7 @@ void cDevice::StartSectionHandler(void)
      sectionHandler = new cSectionHandler(this);
      AttachFilter(eitFilter = new cEitFilter);
      AttachFilter(patFilter = new cPatFilter);
+     AttachFilter(sdtFilter = new cSdtFilter(patFilter));
      sectionHandler->SetStatus(true);
      }
 }
@@ -349,6 +352,11 @@ bool cDevice::ProvidesSource(int Source) const
   return false;
 }
 
+bool cDevice::ProvidesTransponder(const cChannel *Channel) const
+{
+  return false;
+}
+
 bool cDevice::ProvidesChannel(const cChannel *Channel, int Priority, bool *NeedsDetachReceivers) const
 {
   return false;
@@ -431,6 +439,7 @@ eSetChannelResult cDevice::SetChannel(const cChannel *Channel, bool LiveView)
         Result = scrNotAvailable;
      }
   else {
+     Channels.Lock(false);
      cStatus::MsgChannelSwitch(this, 0); // only report status if we are actually going to switch the channel
      // Stop section handling:
      if (sectionHandler) {
@@ -440,12 +449,13 @@ eSetChannelResult cDevice::SetChannel(const cChannel *Channel, bool LiveView)
      if (SetChannelDevice(Channel, LiveView)) {
         // Start section handling:
         if (sectionHandler) {
-           sectionHandler->SetSource(Channel->Source(), Channel->Frequency());
+           sectionHandler->SetSource(Channel->Source(), Channel->Transponder());
            sectionHandler->SetStatus(true);
            }
         }
      else
         Result = scrFailed;
+     Channels.Unlock();
      }
 
   if (Result == scrOk) {
@@ -462,6 +472,11 @@ bool cDevice::SetChannelDevice(const cChannel *Channel, bool LiveView)
   return false;
 }
 
+bool cDevice::HasLock(void)
+{
+  return true;
+}
+
 bool cDevice::HasProgramme(void)
 {
   return Replaying() || pidHandles[ptAudio].pid || pidHandles[ptVideo].pid;
@@ -651,6 +666,7 @@ int cDevice::Priority(void) const
 int cDevice::CanShift(int Ca, int Priority, int UsedCards) const
 {
   return -1;//XXX+ too complex with multiple recordings per device
+  /*XXX
   // Test whether a receiver on this device can be shifted to another one
   // in order to perform a new receiving with the given Ca and Priority on this device:
   int ShiftLevel = -1; // default means this device can't be shifted
@@ -681,25 +697,17 @@ int cDevice::CanShift(int Ca, int Priority, int UsedCards) const
   else if (Priority > this->Priority())
      ShiftLevel = 0; // no shifting necessary, this device can do the job
   return ShiftLevel;
+  XXX*/
 }
 
-int cDevice::ProvidesCa(int Ca) const
+int cDevice::ProvidesCa(const cChannel *Channel) const
 {
+  int Ca = Channel->Ca();
   if (Ca == CardIndex() + 1)
      return 1; // exactly _this_ card was requested
   if (Ca && Ca <= MAXDEVICES)
      return 0; // a specific card was requested, but not _this_ one
-  int result = Ca ? 0 : 1; // by default every card can provide FTA
-  int others = Ca ? 1 : 0;
-  for (int i = 0; i < MAXCACAPS; i++) {
-      if (caCaps[i]) {
-         if (caCaps[i] == Ca)
-            result = 1;
-         else
-            others++;
-         }
-      }
-  return result ? result + others : 0;
+  return !Ca; // by default every card can provide FTA
 }
 
 bool cDevice::Receiving(bool CheckAny) const