fixed repeated key inputs duration=0, Pulse-Eight#326 by reverting ef8bc8e

Author: Flos

src/libcec/CECClient.cpp

@@ -60,9 +60,12 @@ CCECClient::CCECClient(CCECProcessor *processor, const libcec_configuration &con
     m_releaseButtontime(0),
     m_pressedButtoncount(0),
     m_releasedButtoncount(0),
-    m_iPreventForwardingPowerOffCommand(0)
-{
-  m_configuration.Clear();
+    m_iPreventForwardingPowerOffCommand(0),
+    m_iLastKeypressTime(0)
+ {
+   m_lastKeypress.keycode = CEC_USER_CONTROL_CODE_UNKNOWN;
+   m_lastKeypress.duration = 0;
+   m_configuration.Clear();
   // set the initial configuration
   SetConfiguration(configuration);
   CreateThread(false);
@@ -1650,7 +1653,20 @@ void CCECClient::CallbackAddKey(const cec_keypress &key)
 {
   CLockObject lock(m_cbMutex);
   if (m_configuration.callbacks && !!m_configuration.callbacks->keyPress)
-      m_configuration.callbacks->keyPress(m_configuration.callbackParam, &key);
+  {
+    // prevent double taps
+    int64_t now = GetTimeMs();
+    if (m_lastKeypress.keycode != key.keycode ||
+        key.duration > 0 ||
+        now - m_iLastKeypressTime >= DoubleTapTimeoutMS())
+    {
+      // no double tap
+      if (key.duration == 0)
+        m_iLastKeypressTime = now;
+       m_lastKeypress = key;
+       m_configuration.callbacks->keyPress(m_configuration.callbackParam, &key);
+    }
+  }
 }
 
 void CCECClient::CallbackAddLog(const cec_log_message_cpp &message)

src/libcec/CECClient.h

@@ -459,6 +459,8 @@ namespace CEC
     int32_t                                  m_pressedButtoncount;                /**< the number of times a button released message has been seen for this press. */
     int32_t                                  m_releasedButtoncount;               /**< the number of times a button pressed message has been seen for this press. */
     int64_t                                  m_iPreventForwardingPowerOffCommand; /**< prevent forwarding standby commands until this time */
+    int64_t                                  m_iLastKeypressTime;                 /**< last time a key press was sent to the client */
+    cec_keypress                             m_lastKeypress;                      /**< the last key press that was sent to the client */
     P8PLATFORM::SyncedBuffer<CCallbackWrap*> m_callbackCalls;
   };
 }