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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hello,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> I’m
designing a playback application in Linux that plays back H.264 encoded video and
uncompressed PCM audio to a screen in real-time as a RTP Client – I’m
noticing that the presentation times I receive as a client often jump
erratically until synchronization kicks in – since its imperative that
these timestamps be accurate as that’s the only way to tie the two
streams together (I’m playing back audio and video), I’m wondering
if its possible to access this synchronized state variable somehow in my
MediaSink subclassed class? I know the variable fCurPacketHasBeenSynchronizedUsingRTCP
in MultiFramedRTPSource.cpp has this information present in it, but how do I access
it from the sink classes (i.e FileSink, etc) <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>One option I saw in QuickTimeFileSink.cpp, is to get the
current MediaSession, iterate through the sub-sessions and do .rtpSource()->hasBeenSynchronizedUsingRTCP();
<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>How do I get the current MediaSession from a MediaSink
derived class? Is there a simpler way to get at this RTPSource class, fCurPacketHasBeenSynchronizedUsingRTCP
variable?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I know I can access it from H264VideoRTPSource, (its
RTPSource derived), allowing me to get at that variable, but I cannot do
anything with information since that class doesn’t allow me to store the
information somewhere in memory </span></font><font size=2 face=Wingdings><span
style='font-size:10.0pt;font-family:Wingdings'>L</span></font><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Any help is appreciated,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thank you,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Jerry<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
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