Updated for vdr-1.7.19: New API functions for signal strength and quality used to provide information for the OSD.

HISTORY

@@ -417,4 +417,6 @@ VDR Plugin 'femon' Revision History
 
 2011-xx-xx: Version 1.7.11
 
+- Updated for vdr-1.7.19: New API functions for signal strength
+  and quality used to provide information for the OSD.
 - Added cppcheck target into Makefile.

README

@@ -32,15 +32,15 @@ Terminology:
 
 --------------------------------------------------------------
 |## Channel Name ################### [SVDRP][AR][VF][A/DD][D]|
-|[=====Signal Strength in % ==============|=================]|
+|[=====Signal Strength ===================|=================]|
-|[=====Signal-to-Noise Ratio in % ========|=================]|
+|[=====Signal Quality ================|=====================]|
 | STR: #0000 (0%)       BER: #00000000       Video: 0 Mbit/s |
 | SNR: #0000 (0%)       UNC: #00000000       Audio: 0 kbit/s |
 | [LOCK]     [SIGNAL]     [CARRIER]     [VITERBI]     [SYNC] |
 --------------------------------------------------------------
 
-STR     - Signal strength
+STR     - Signal strength from driver
-SNR     - Signal-to-noise ratio
+SNR     - Signal-to-noise ratio from driver
 BER     - Bit error rate
 UNC     - Uncorrected blocks
 Video   - Calculated video bitrate in Mbit/s

femon.c

@@ -14,8 +14,8 @@
 #include "femonservice.h"
 #include "femontools.h"
 
-#if defined(APIVERSNUM) && APIVERSNUM < 10718
+#if defined(APIVERSNUM) && APIVERSNUM < 10719
-#error "VDR-1.7.18 API version or greater is required!"
+#error "VDR-1.7.19 API version or greater is required!"
 #endif
 
 static const char VERSION[]       = "1.7.11";
@@ -169,10 +169,14 @@ const char **cPluginFemon::SVDRPHelpPages(void)
     "    Print the current frontend name.",
     "STAT\n"
     "    Print the current frontend status.",
-    "SGNL\n"
+    "STRG\n"
     "    Print the current signal strength.",
+    "QUAL\n"
+    "    Print the current signal quality.",
+    "SGNL\n"
+    "    Print the current signal strength from driver.",
     "SNRA\n"
-    "    Print the current signal-to-noise ratio.",
+    "    Print the current signal-to-noise ratio from driver.",
     "BERA\n"
     "    Print the current bit error rate.",
     "UNCB\n"
@@ -225,6 +229,12 @@ cString cPluginFemon::SVDRPCommand(const char *Command, const char *Option, int
   else if (strcasecmp(Command, "STAT") == 0) {
      return getFrontendStatus(cDevice::ActualDevice()->CardIndex());
      }
+  else if (strcasecmp(Command, "STRG") == 0) {
+     return cString::sprintf("%d on device #%d", cDevice::ActualDevice()->SignalStrength(), cDevice::ActualDevice()->CardIndex());
+     }
+  else if (strcasecmp(Command, "QUAL") == 0) {
+     return cString::sprintf("%d on device #%d", cDevice::ActualDevice()->SignalQuality(), cDevice::ActualDevice()->CardIndex());
+     }
   else if (strcasecmp(Command, "SGNL") == 0) {
      int value = getSignal(cDevice::ActualDevice()->CardIndex());
      return cString::sprintf("%04X (%02d%%) on device #%d", value, value / 655, cDevice::ActualDevice()->CardIndex());

femonosd.c

@@ -171,6 +171,10 @@ cFemonOsd::cFemonOsd()
   m_SvdrpPlugin(NULL),
   m_Number(0),
   m_OldNumber(0),
+  m_Quality(0),
+  m_QualityValid(false),
+  m_Strength(0),
+  m_StrengthValid(false),
   m_SNR(0),
   m_SNRValid(false),
   m_Signal(0),
@@ -333,11 +337,11 @@ void cFemonOsd::DrawStatusWindow(void)
         OSDDRAWSTATUSBM(OSDSPACING);
         }
      offset += OSDROWHEIGHT;
-     if (m_SignalValid)
+     if (m_StrengthValid)
-        OSDDRAWSTATUSBAR(m_Signal / 655);
+        OSDDRAWSTATUSBAR(m_Strength);
      offset += OSDROWHEIGHT;
-     if (m_SNRValid)
+     if (m_QualityValid)
-        OSDDRAWSTATUSBAR(m_SNR / 655);
+        OSDDRAWSTATUSBAR(m_Quality);
      offset += OSDROWHEIGHT;
      OSDDRAWSTATUSVALUES("STR:", m_SignalValid ? *cString::sprintf("%04x", m_Signal) : "", m_SignalValid ? *cString::sprintf("(%2d%%)", m_Signal / 655) : "",
                          "BER:", m_BERValid ? *cString::sprintf("%08x", m_BER) : "", *cString::sprintf("%s:", tr("Video")),
@@ -521,6 +525,10 @@ void cFemonOsd::Action(void)
     m_SvdrpVideoBitrate = -1.0;
     m_SvdrpAudioBitrate = -1.0;
     if (m_Frontend != -1) {
+       m_Quality = cDevice::ActualDevice()->SignalQuality();
+       m_QualityValid = (m_Quality >= 0);
+       m_Strength = cDevice::ActualDevice()->SignalStrength();
+       m_StrengthValid = (m_Strength >= 0);
        m_FrontendStatusValid = (ioctl(m_Frontend, FE_READ_STATUS, &m_FrontendStatus) >= 0);
        m_SignalValid = (ioctl(m_Frontend, FE_READ_SIGNAL_STRENGTH, &m_Signal) >= 0);
        m_SNRValid = (ioctl(m_Frontend, FE_READ_SNR, &m_SNR) >= 0);
@@ -533,6 +541,8 @@ void cFemonOsd::Action(void)
        cmd.handle = m_SvdrpConnection.handle;
        m_SvdrpPlugin->Service("SvdrpCommand-v1.0", &cmd);
        if (cmd.responseCode == 900) {
+          m_StrengthValid = false;
+          m_QualityValid = false;
           m_FrontendStatusValid = false;
           m_SignalValid = false;
           m_SNRValid = false;
@@ -542,6 +552,14 @@ void cFemonOsd::Action(void)
               const char *s = line->Text();
 	      if (!strncasecmp(s, "CARD:", 5))
                  m_SvdrpFrontend = (int)strtol(s + 5, NULL, 10);
+              else if (!strncasecmp(s, "STRG:", 5)) {
+                 m_Strength = (int)strtol(s + 5, NULL, 10);
+                 m_StrengthValid = (m_Strength >= 0);
+                 }
+              else if (!strncasecmp(s, "QUAL:", 5)) {
+                 m_Quality = (int)strtol(s + 5, NULL, 10);
+                 m_QualityValid = (m_Quality >= 0);
+                 }
               else if (!strncasecmp(s, "TYPE:", 5))
                  m_FrontendInfo.type = (fe_type_t)strtol(s + 5, NULL, 10);
               else if (!strncasecmp(s, "NAME:", 5)) {

femonosd.h

@@ -36,6 +36,10 @@ private:
   cPlugin          *m_SvdrpPlugin;
   int               m_Number;
   int               m_OldNumber;
+  int               m_Quality;
+  bool              m_QualityValid;
+  int               m_Strength;
+  bool              m_StrengthValid;
   uint16_t          m_SNR;
   bool              m_SNRValid;
   uint16_t          m_Signal;

femontools.c

@@ -92,7 +92,7 @@ cString getFrontendInfo(int cardIndex)
   if (fe < 0)
      return NULL;
 
-  info = cString::sprintf("CARD:%d", cardIndex);
+  info = cString::sprintf("CARD:%d\nSTRG:%d\nQUAL:%d", cardIndex, cDevice::ActualDevice()->SignalStrength(), cDevice::ActualDevice()->SignalQuality());
 
   if (ioctl(fe, FE_GET_INFO, &value) >= 0)
      info = cString::sprintf("%s\nTYPE:%d\nNAME:%s", *info, value.type, value.name);