[#4896] Update session timestamp when updating media

sflphone-common/src/audio/audiortp/AudioRtpRecordHandler.h

@@ -47,7 +47,7 @@ namespace sfl
 // Factor use to increase volume in fade in
 #define FADEIN_STEP_SIZE 4;
 
-static const int schedulingTimeout = 10000;
+static const int schedulingTimeout = 4000;
 static const int expireTimeout = 1000000;
 
 // G.722 VoIP is typically carried in RTP payload type 9.[2] Note that IANA records the clock rate for type 9 G.722 as 8 kHz

sflphone-common/src/audio/audiortp/AudioRtpSession.cpp

@@ -175,6 +175,8 @@ void AudioRtpSession::updateSessionMedia (AudioCodec *audioCodec)
 
     // Set recording sampling rate
     _ca->setRecordingSmplRate (getCodecSampleRate());
+
+    _timestamp = getCurrentTimestamp();
 }
 
 
@@ -350,6 +352,8 @@ void AudioRtpSession::run ()
 
     uint32 timeout = 0;
 
+    _timestamp = getCurrentTimestamp();
+
     while (isActive()) {
 
         if (timeout < 1000) {  // !(timeout/1000)