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<p class=MsoNormal style='text-indent:18.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>Hello All:<br>
I try to add a new type in xvimagesink pad, but met some problem, could you
kindly give some advice. Thanks.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:18.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-indent:18.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-indent:18.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>There are pad cap for
video sink like "video/x-raw-rgb " and "video/x-raw-yuv"; <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:18.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>I try to add a new type to
support another display mode, for example, video driver display the frame
directly without XvPutImage.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:18.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt;mso-list:l3 level1 lfo4'><![if !supportLists]><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'><span
style='mso-list:Ignore'>1.<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'> </span></font></span></span></font><![endif]><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>if
I do not define a new cap type, but use “video/x-raw-yuv” stealthily.
It could work.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:18.0pt;text-indent:0cm'><font size=1
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>That means,
I still use “video/x-raw-rgb” in libgstmpeg2dec, but only provide some
handler/ReferenceID in the buffer instead of YUV data. And xvimagesink parse the
handler/ReferenceID in buffer for display.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt;mso-list:l3 level1 lfo4'><![if !supportLists]><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'><span
style='mso-list:Ignore'>2.<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'> </span></font></span></span></font><![endif]><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>when
I try to define a new cap type, I got some “Internal data flow error”<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt;text-indent:0cm'><font size=1
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>I try to
define a new cap type in gstmpeg2dec.c: modify in pad template and
gst_mpeg2dec_negotiate_format()<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt;text-indent:0cm'><font size=1
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>Also define
the same new cap in xvimagesink.c: modify in pad template and
gst_xvimagesink_get_xv_support()<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt;text-indent:0cm'><font size=1
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>Seems the
pad negotiation is ok, but fail at “Internal data flow error”.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>Detail log as following:<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>ume@ume-halley:~/work$
gst-launch-0.10 -v playbin uri=file:///home/ume/work/test.m2v<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>Setting pipeline to PAUSED
...<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>/playbin0/decodebin0/typefind.src:
caps = video/mpeg, systemstream=(boolean)false, mpegversion=(int)1<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>….<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>Pipeline is PREROLLING ...<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>/playbin0/decodebin0/mpeg2dec0.sink:
caps = video/mpeg, systemstream=(boolean)false, mpegversion=(int)1<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>/playbin0/decodebin0/mpeg2dec0.src:
caps = video/x-raw-va, format=(fourcc)I420, width=(int)352, height=(int)288,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)25/1<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>ERROR: from element
/playbin0/source: Internal data flow error.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>Additional debug info:<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>gstbasesrc.c(2165):
gst_base_src_loop (): /playbin0/source:<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>streaming task paused,
reason not-negotiated (-4)<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>ERROR: pipeline doesn't
want to preroll.<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>Setting pipeline to NULL
...<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>/playbin0/decodebin0/mpeg2dec0.src:
caps = NULL<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>/playbin0/decodebin0/mpeg2dec0.sink:
caps = NULL<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>/playbin0/decodebin0/typefind.src:
caps = NULL<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:0cm'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>FREEING pipeline ...<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:18.0pt;text-indent:0cm'><font size=1
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'> <o:p></o:p></span></font></p>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
text-indent:20.1pt'><b><font size=2 color=blue face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:blue;font-weight:bold'>ZHAO,
Halley (Aihua)</span></font></b><span lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
text-indent:20.0pt'><font size=2 color=blue face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:blue'>Email: halley.zhao</span></font><span
lang=EN-US><a href="mailto:aihua.zhao@intel.com"
title="mailto:hui.xue@intel.com"><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>@intel.com</span></font></a><font
color=blue><span style='color:blue'><o:p></o:p></span></font></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
text-indent:16.0pt'><font size=1 color=blue face=Arial><span lang=EN-US
style='font-size:8.0pt;font-family:Arial;color:blue'>Tel: +86(21)61166476</span></font><span
lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
text-indent:16.0pt'><font size=1 color=blue face=Arial><span lang=EN-US
style='font-size:8.0pt;font-family:Arial;color:blue'>iNet: 8821-6476</span></font><span
lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
text-indent:20.0pt'><font size=2 color="#3366ff" face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:#3366FF'>SSG/OTC/UMD 3W033</span></font><span
lang=EN-US><o:p></o:p></span></p>
</div>
<p class=MsoNormal style='text-indent:20.0pt'><font size=2
face="Times New Roman"><span lang=EN-US style='font-size:10.0pt'><o:p> </o:p></span></font></p>
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