New keys 'Volume+', 'Volume-' and 'Mute'

HISTORY

@@ -755,3 +755,5 @@ Video Disk Recorder Revision History
 - Fixed manipulating an editing mark at the very end of a recording.
 - Fixed starting a new replay immediately after stopping a previous one (had
   caused a mix between live video and replay).
+- Three new keys ("Volume+", Volume-" and "Mute") to control the DVB card's
+  audio output volume.

INSTALL

@@ -294,6 +294,8 @@ The default PC key assignments are:
   Red, Green, Yellow, Blue  'F1'..'F4'
   0..9                      '0'..'9' in top row
   Power                     'P'
+  Volume+/-                 '+', '-'
+  Mute                      'm'
 
 If you prefer different key assignments, or if the default doesn't work for
 your keyboard, simply delete the file 'keys-pc.conf' and restart 'vdr' to get

MANUAL

@@ -8,7 +8,7 @@ Video Disk Recorder User's Manual
   possible, several keys have different meanings in the various
   modes:
 
-  Key     Normal      Main       Channels   Timers     Edit/New      Recordings  Replay
+  Key         Normal      Main       Channels   Timers     Edit/New      Recordings  Replay
 
   Up      Ch up       Crsr up    Crsr up    Crsr up    Crsr up       Crsr up     Play
   Down    Ch down     Crsr down  Crsr down  Crsr down  Crsr down     Crsr down   Pause
@@ -23,6 +23,9 @@ Video Disk Recorder User's Manual
   Blue    -           Resume     Mark       Mark(1)    -             Summary     Stop
   0..9    Ch select   -          -          -          Numeric inp.  -           Editing
   Power   Shutdown    -          -          -          -             -           -
+  Volume+ Volume up   -          -          -          -             -           -
+  Volume- Volume down -          -          -          -             -           -
+  Mute    Mute        -          -          -          -             -           -
 
   (1) The "Mark" button in the "Timers" menu only works if sorting the timers
       has been disabled in the "Setup" menu.

config.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: config.c 1.71 2001/09/16 08:57:58 kls Exp $
+ * $Id: config.c 1.72 2001/09/16 14:54:32 kls Exp $
  */
 
 #include "config.h"
@@ -39,6 +39,9 @@ tKey keyTable[] = { // "Up" and "Down" must be the first two keys!
                     { k8,             "8",             0 },
                     { k9,             "9",             0 },
                     { kPower,         "Power",         0 },
+                    { kVolUp,         "Volume+",       0 },
+                    { kVolDn,         "Volume-",       0 },
+                    { kMute,          "Mute",          0 },
                     { kNone,          "",              0 },
                   };
 

config.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: config.h 1.78 2001/09/15 15:38:40 kls Exp $
+ * $Id: config.h 1.79 2001/09/16 14:54:36 kls Exp $
  */
 
 #ifndef __CONFIG_H
@@ -43,6 +43,9 @@ enum eKeys { // "Up" and "Down" must be the first two keys!
              kBlue,
              k0, k1, k2, k3, k4, k5, k6, k7, k8, k9,
              kPower,
+             kVolUp,
+             kVolDn,
+             kMute,
              kNone,
              // The following flags are OR'd with the above codes:
              k_Repeat  = 0x8000,

dvbapi.c

@@ -7,7 +7,7 @@
  * DVD support initially written by Andreas Schultz <aschultz@warp10.net>
  * based on dvdplayer-0.5 by Matjaz Thaler <matjaz.thaler@guest.arnes.si>
  *
- * $Id: dvbapi.c 1.124 2001/09/16 10:10:28 kls Exp $
+ * $Id: dvbapi.c 1.125 2001/09/16 13:55:03 kls Exp $
  */
 
 //#define DVDDEBUG        1
@@ -2539,6 +2539,8 @@ cDvbApi::cDvbApi(int n)
   osd = NULL;
 #endif
   currentChannel = 1;
+  mute = false;
+  volume = 255;
 }
 
 cDvbApi::~cDvbApi()
@@ -3622,6 +3624,24 @@ bool cDvbApi::ToggleAudioTrack(void)
   return false;
 }
 
+void cDvbApi::ToggleMute(void)
+{
+  int OldVolume = volume;
+  mute = !mute;
+  SetVolume(0, mute);
+  volume = OldVolume;
+}
+
+void cDvbApi::SetVolume(int Volume, bool Absolute)
+{
+  if (fd_audio >= 0) {
+     volume = min(max(Absolute ? Volume : volume + Volume, 0), 255);
+     audioMixer_t am;
+     am.volume_left = am.volume_right = volume;
+     CHECK(ioctl(fd_audio, AUDIO_SET_MIXER, &am));
+     }
+}
+
 void cDvbApi::SetAudioCommand(const char *Command)
 {
   delete audioCommand;

dvbapi.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: dvbapi.h 1.50 2001/09/15 13:46:00 kls Exp $
+ * $Id: dvbapi.h 1.51 2001/09/16 13:54:23 kls Exp $
  */
 
 #ifndef __DVBAPI_H
@@ -315,6 +315,18 @@ private:
 public:
   static void SetAudioCommand(const char *Command);
   static const char *AudioCommand(void) { return audioCommand; }
+
+  // Volume facilities:
+
+private:
+  bool mute;
+  int volume;
+public:
+  void ToggleMute(void);
+       // Turns the volume off or on.
+  void SetVolume(int Volume, bool Absolute = false);
+       // Sets the volume to the given value, either absolutely or relative to
+       // the current volume.
   };
 
 class cEITScanner {

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 1.42 2001/09/09 13:54:35 kls Exp $
+ * $Id: i18n.c 1.43 2001/09/16 14:43:05 kls Exp $
  *
  * Slovenian translations provided by Miha Setina <mihasetina@softhome.net>
  * Italian   translations provided by Alberto Carraro <bertocar@tin.it>
@@ -1211,6 +1211,33 @@ const tPhrase Phrases[] = {
     "", // TODO
     "", // TODO
   },
+  { "Volume+",
+    "Lautstärke+",
+    "", // TODO
+    "", // TODO
+    "", // TODO
+    "", // TODO
+    "", // TODO
+    "", // TODO
+  },
+  { "Volume-",
+    "Lautstärke-",
+    "", // TODO
+    "", // TODO
+    "", // TODO
+    "", // TODO
+    "", // TODO
+    "", // TODO
+  },
+  { "Mute",
+    "Stumm",
+    "", // TODO
+    "", // TODO
+    "", // TODO
+    "", // TODO
+    "", // TODO
+    "", // TODO
+  },
   // Miscellaneous:
   { "yes",
     "ja",

keys-pc.conf

@@ -22,3 +22,6 @@ Blue	0000010C
 8	00000038
 9	00000039
 Power   00000050
+Volume+	0000002B
+Volume-	0000002D
+Mute	0000006D

vdr.c

@@ -22,7 +22,7 @@
  *
  * The project's page is at http://www.cadsoft.de/people/kls/vdr
  *
- * $Id: vdr.c 1.72 2001/09/08 14:34:29 kls Exp $
+ * $Id: vdr.c 1.73 2001/09/16 14:54:45 kls Exp $
  */
 
 #define _GNU_SOURCE
@@ -52,6 +52,8 @@
 #define SHUTDOWNWAIT   300 // seconds to wait in user prompt before automatic shutdown
 #define MANUALSTART    600 // seconds the next timer must be in the future to assume manual start
 
+#define VOLUMEDELTA      5 // used to increase/decrease the volume
+
 static int Interrupted = 0;
 
 static void SignalHandler(int signum)
@@ -424,6 +426,16 @@ int main(int argc, char *argv[])
              case kMenu: Menu = new cMenuMain(ReplayControl); break;
              // Viewing Control:
              case kOk:   LastChannel = -1; break; // forces channel display
+             // Volume Control:
+             case kVolUp|k_Repeat:
+             case kVolUp:
+             case kVolDn|k_Repeat:
+             case kVolDn:
+                  cDvbApi::PrimaryDvbApi->SetVolume(NORMALKEY(key) == kVolDn ? -VOLUMEDELTA : VOLUMEDELTA);
+                  break;
+             case kMute:
+                  cDvbApi::PrimaryDvbApi->ToggleMute();
+                  break;
              // Power off:
              case kPower: isyslog(LOG_INFO, "Power button pressed");
                           DELETENULL(*Interact);