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<p class=MsoNormal style='margin-left:21.0pt'><font size=2 face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial'>Hi, all,</span></font></p>
<p class=MsoNormal style='margin-left:21.0pt'><font size=2 face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial'>
I am developing a plug-in which obtains MPEG2 source and demux functionality. I
want to add forward scan and backward scan functionality. When rate is low(<
4.0), we can process it in decoder, but I want to implement scan with high
rate, maybe 32x and later. If so, this plug-in need start a new-segment and
send to all down-streaming plug-ins, and send data I picture by I picture. But
in my side, only 1<sup>st</sup> I picture is showed, why?</span></font></p>
<p class=MsoNormal style='margin-left:21.0pt'><font size=2 face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial'>
The detail is:</span></font></p>
<p class=MsoNormal style='margin-left:60.0pt;text-indent:-18.0pt'><font size=2
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial'>1.</span></font><font
size=1><span lang=EN-US style='font-size:7.0pt'>
</span></font><font size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;
font-family:Arial'>Application send a segment to pipeline with rate 32.0 and
start time is 5 seconds</span></font></p>
<p class=MsoNormal style='margin-left:60.0pt;text-indent:-18.0pt'><font size=2
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial'>2.</span></font><font
size=1><span lang=EN-US style='font-size:7.0pt'>
</span></font><font size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;
font-family:Arial'>When my plug-in receive this segment event, I find the
correspond I picture in 5 second time point.</span></font></p>
<p class=MsoNormal style='margin-left:60.0pt;text-indent:-18.0pt'><font size=2
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial'>3.</span></font><font
size=1><span lang=EN-US style='font-size:7.0pt'>
</span></font><font size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;
font-family:Arial'>After sent flush-stop event, push this I picture with a
BUFFER DISCONT, time stamp is 5 second</span></font></p>
<p class=MsoNormal style='margin-left:59.95pt'><font size=2 face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial'>REMARK: this picture can
be shown.</span></font></p>
<p class=MsoNormal style='margin-left:60.0pt;text-indent:-18.0pt'><font size=2
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial'>4.</span></font><font
size=1><span lang=EN-US style='font-size:7.0pt'>
</span></font><font size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;
font-family:Arial'>Then I push 2<sup>nd</sup> I picture with a BUFFER DISCONT,
time stamp is 30 second, but this picture does not present.</span></font></p>
<p class=MsoNormal style='margin-left:59.95pt'><font size=2 face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial'>REMARK: I using mpeg2dec
as my mpeg2 video decoder, I trace it, found it gst_push_pad this 1<sup>st</sup>
picture and not return, why?</span></font></p>
<p class=MsoNormal style='margin-left:21.0pt'><font size=2 face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal style='margin-left:21.0pt'><font size=2 face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial'>
Any friends have experience about trick mode can teach me, thanks very much.</span></font></p>
<p class=MsoNormal style='margin-left:21.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue'> </span></font></p>
<p class=MsoNormal style='margin-left:21.0pt;layout-grid-mode:char'><font
size=2 color=gray face=Verdana><span lang=EN-US style='font-size:10.0pt;
font-family:Verdana;color:gray'>Best Regards,</span></font></p>
<p class=MsoNormal style='margin-left:21.0pt'><font size=2
face="Times New Roman"><span lang=EN-US style='font-size:10.5pt'>Ever Chen</span></font></p>
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