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<DIV dir=ltr align=left><FONT face="Courier New" color=#0000ff><SPAN
class=887215801-07082008>gstreamer uses clock to do A/V sync, this clock can be
provided by any elements, for example, from audiosink by audio pcm render time.
</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face="Courier New" color=#0000ff><SPAN
class=887215801-07082008></SPAN></FONT> </DIV>
<DIV dir=ltr align=left><FONT face="Courier New" color=#0000ff><SPAN
class=887215801-07082008>It is similar with helix, but not restrict in audio
playback, A/V sync can be done by any clock implementation.</SPAN></FONT></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><SPAN
class=887215801-07082008><FONT face="Courier New"
color=#0000ff> </FONT></SPAN></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><SPAN
class=887215801-07082008><FONT face="Courier New" color=#0000ff>Zhao
Liang</FONT> </SPAN></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
</DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT face=Tahoma
size=2><B>From:</B> gstreamer-devel-bounces@lists.sourceforge.net
[mailto:gstreamer-devel-bounces@lists.sourceforge.net] <B>On Behalf Of
</B>Zheng, Huan<BR><B>Sent:</B> Thursday, August 07, 2008 9:57 AM<BR><B>To:</B>
gstreamer-devel@lists.sourceforge.net<BR><B>Subject:</B> [gst-devel] Question:
Does anyone know the timeline mechanism inGStreamer?<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1 style="LAYOUT-GRID: 15.6pt none">
<P class=MsoNormal><FONT face="Palatino Linotype" color=navy size=2><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Palatino Linotype'">Hi,
developers<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Palatino Linotype" color=navy size=2><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Palatino Linotype'">Helix use
current audio playback time as the timeline to perform A/V
sync,<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Palatino Linotype" color=navy size=2><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Palatino Linotype'">But…</SPAN></FONT><FONT
face="Palatino Linotype" color=red size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 'Palatino Linotype'">How does
GStreamer generate time stamp in order to perform A/V sync?
<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Palatino Linotype" color=navy size=2><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Palatino Linotype'">Thanks in
advance!<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Palatino Linotype" color=navy size=2><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: 'Palatino Linotype'"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Pristina color=navy size=2><SPAN lang=EN-US
style="FONT-SIZE: 10.5pt; COLOR: navy; FONT-FAMILY: Pristina">Best Regards,
Zheng, Huan(ZBT)<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Pristina color=navy size=2><SPAN lang=EN-US
style="FONT-SIZE: 10.5pt; COLOR: navy; FONT-FAMILY: Pristina">OTC/SSD/SSG<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Pristina color=navy size=2><SPAN lang=EN-US
style="FONT-SIZE: 10.5pt; COLOR: navy; FONT-FAMILY: Pristina">Intel Aisa-Pacific
Research & Developement Ltd<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Pristina color=navy size=2><SPAN lang=EN-US
style="FONT-SIZE: 10.5pt; COLOR: navy; FONT-FAMILY: Pristina">Tel: 021-6116
6435<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Pristina color=navy size=2><SPAN lang=EN-US
style="FONT-SIZE: 10.5pt; COLOR: navy; FONT-FAMILY: Pristina">Inet: 8821
6435</SPAN></FONT><FONT face=宋体 color=navy><SPAN lang=EN-US
style="COLOR: navy; FONT-FAMILY: 宋体"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Pristina color=navy size=2><SPAN lang=EN-US
style="FONT-SIZE: 10.5pt; COLOR: navy; FONT-FAMILY: Pristina">Cub:
3W035</SPAN></FONT><SPAN lang=EN-US><o:p></o:p></SPAN></P>
<P class=MsoNormal><FONT face="Times New Roman" size=2><SPAN
lang=EN-US><o:p> </o:p></SPAN></FONT></P></DIV></BODY></HTML>