LibreELEC.tv/packages/addons/addon-depends/vdr/patches/vdr-10-upstream-fix-06-channel-switch.patch

# Fixed switching through encrypted channels with the Up/Down keys
#
--- a/device.c	2018/03/24 09:49:14	5.0
+++ b/device.c	2018/07/16 09:29:57
@@ -787,6 +787,7 @@
   if (LiveView) {
      isyslog("switching to channel %d %s (%s)", Channel->Number(), *Channel->GetChannelID().ToString(), Channel->Name());
      cControl::Shutdown(); // prevents old channel from being shown too long if GetDevice() takes longer
+                           // and, if decrypted, this removes the now superflous PIDs from the CAM, too
      }
   for (int i = 3; i--;) {
       switch (SetChannel(Channel, LiveView)) {
@@ -809,6 +810,7 @@
   Direction = sgn(Direction);
   if (Direction) {
      cControl::Shutdown(); // prevents old channel from being shown too long if GetDevice() takes longer
+                           // and, if decrypted, this removes the now superflous PIDs from the CAM, too
      int n = CurrentChannel() + Direction;
      int first = n;
      LOCK_CHANNELS_READ;
--- a/menu.c	2018/05/27 09:51:56	5.3
+++ b/menu.c	2018/07/16 09:29:57
@@ -4704,6 +4704,8 @@
 const cChannel *cDisplayChannel::NextAvailableChannel(const cChannel *Channel, int Direction)
 {
   if (Direction) {
+     cControl::Shutdown(); // prevents old channel from being shown too long if GetDevice() takes longer
+                           // and, if decrypted, this removes the now superflous PIDs from the CAM, too
      LOCK_CHANNELS_READ;
      while (Channel) {
            Channel = Direction > 0 ? Channels->Next(Channel) : Channels->Prev(Channel);