From 34af5c0e05fabb9a3544fc771c6669a2dd14d97c Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sun, 6 Oct 2002 11:34:02 +0200
Subject: Improved skipping channels that are (currently) not available

---
 CONTRIBUTORS |  1 +
 HISTORY      |  2 ++
 device.c     | 39 ++++++++++++++++++++++-----------------
 i18n.c       | 18 +++++++++++++++++-
 4 files changed, 42 insertions(+), 18 deletions(-)

diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 2bfe4714..7b1568b6 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -152,6 +152,7 @@ Stefan Huelswitt <huels@iname.com>
  for making cStatus::MsgChannelSwitch() only be called if a channel is actually going to
  be switched or has actually been switched successfully
  for adding a missing StripAudioPackets() to cDvbPlayer::Action()
+ for improving skipping channels that are (currently) not available
 
 Ulrich Röder <roeder@efr-net.de>
  for pointing out that there are channels that have a symbol rate higher than
diff --git a/HISTORY b/HISTORY
index 72a4c5b4..e1b778ad 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1574,3 +1574,5 @@ Video Disk Recorder Revision History
 - Removed some unnecessary #includes from eit.c and changed cMenuRecordings::Del()
   to cMenuRecordings::Delete() to avoid warnings in gcc-3.2 (thanks to Andreas
   Schultz for pointing this out).
+- Improved skipping channels that are (currently) not available (thanks to Stefan
+  Huelswitt).
diff --git a/device.c b/device.c
index fa594b29..a7de7fc7 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 1.23 2002/10/05 15:18:39 kls Exp $
+ * $Id: device.c 1.24 2002/10/06 11:31:52 kls Exp $
  */
 
 #include "device.h"
@@ -293,7 +293,9 @@ bool cDevice::SwitchChannel(const cChannel *Channel, bool LiveView)
   for (int i = 3; i--;) {
       switch (SetChannel(Channel, LiveView)) {
         case scrOk:           return true;
-        case scrNotAvailable: return false;
+        case scrNotAvailable: if (Interface)
+                                 Interface->Error(tr("Channel not available!"));
+                              return false;
         case scrNoTransfer:   if (Interface)
                                  Interface->Error(tr("Can't start Transfer Mode!"));
                               return false;
@@ -311,21 +313,24 @@ bool cDevice::SwitchChannel(int Direction)
   if (Direction) {
      int n = CurrentChannel() + Direction;
      int first = n;
-     for (;;) {
-         cChannel *channel = Channels.GetByNumber(n);
-         if (!channel)
-            break;
-         if (PrimaryDevice()->SwitchChannel(channel, true)) {
-            result = true;
-            break;
-            }
-         n += Direction;
-         }
-     int d = n - first;
-     if (abs(d) == 1)
-        dsyslog("skipped channel %d", first);
-     else if (d)
-        dsyslog("skipped channels %d..%d", first, n - sgn(d));
+     cChannel *channel;
+     while ((channel = Channels.GetByNumber(n)) != NULL) {
+           // try only channels which are currently available
+           if (PrimaryDevice()->ProvidesChannel(channel, Setup.PrimaryLimit) || GetDevice(channel, 0))
+              break;
+           n += Direction;
+           }
+     if (channel) {
+        int d = n - first;
+        if (abs(d) == 1)
+           dsyslog("skipped channel %d", first);
+        else if (d)
+           dsyslog("skipped channels %d..%d", first, n - sgn(d));
+        if (PrimaryDevice()->SwitchChannel(channel, true))
+           result = true;
+        }
+     else if (n != first && Interface)
+        Interface->Error(tr("Channel not available!"));
      }
   return result;
 }
diff --git a/i18n.c b/i18n.c
index b814179e..d8dc3b7b 100644
--- a/i18n.c
+++ b/i18n.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: i18n.c 1.94 2002/10/06 09:55:08 kls Exp $
+ * $Id: i18n.c 1.95 2002/10/06 11:31:18 kls Exp $
  *
  * Translations provided by:
  *
@@ -1436,6 +1436,22 @@ const tI18nPhrase Phrases[] = {
     "Nu mai sunt dispozitive DVB pentru inregistrare!",
     "Nincs szabad DVB kártya a felvételhez!",
   },
+  { "Channel not available!",
+    "Kanal nicht verfügbar!",
+    "",//TODO
+    "",//TODO
+    "",//TODO
+    "",//TODO
+    "",//TODO
+    "",//TODO
+    "",//TODO
+    "",//TODO
+    "",//TODO
+    "",//TODO
+    "",//TODO
+    "",//TODO
+    "",//TODO
+  },
   { "Channel locked (recording)!",
     "Kanal blockiert (zeichnet auf)!",
     "Zaklenjen kanal (snemanje)!",
-- 
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