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<p>Hello, Sudip</p>
<p><br>
</p>
<p>Sorry for stupid question, but how to do it? <img class="EmojiInsert" id="OWAEmoji134917" alt="😊" style="vertical-align: bottom;" src="http://gstreamer-devel.966125.n4.nabble.com/attachment/4679870/0/%3D%3Futf-8%3FB%3FT3V0bG9va0Vtb2ppLfCfmIoucG5n%3F%3D"></p>
<p><span style="font-family: Calibri, Arial, Helvetica, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols; font-size: 16px;">Can you give step by step description of how to dump pipeline in dot
 file, please?</span><br>
</p>
<p><span style="font-family: Calibri, Arial, Helvetica, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols; font-size: 16px;">Using <span style="color: rgb(33, 33, 33); font-size: 15px;">gst-play-1.0
 with some keys?</span></span></p>
<p><br>
</p>
<p>I have dot utility from <span>graphviz.org</span>.</p>
<p><br>
</p>
<p>Mikl</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> sudipj [via GStreamer-devel] <ml-node+<a href="/user/SendEmail.jtp?type=node&node=4679870&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>><br>
<b>Sent:</b> Friday, September 30, 2016 9:02:47 AM<br>
<b>To:</b> Michael Yarochkin<br>
<b>Subject:</b> Re: Can not play MKV</font>
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<div>Duncan,<br>
<br>
You need to export the variable as below<br>
<br>
export GST_DEBUG_DUMP_DOT_DIR=/tmp (or any dir)<br>
<br>
</div>
install dot utility ( from graphviz package if you are usbing ubuntu )<br>
<br>
</div>
<div>For e.g <br>
</div>
dot -Tpng /tmp/0.00.00.710265346-gst-launch.PAUSED_PLAYING.dot > pipeline.png<br>
</div>
<br>
eog pipeline.png<br>
<br>
</div>
</div>
Sudip<br>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On 30 September 2016 at 12:18, Mikl [via GStreamer-devel]
<span dir="ltr"><<a href="/user/SendEmail.jtp?type=node&node=4679863&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>></span> wrote:<br>

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<p>Hello, Duncan</p>
<p><br>
</p>
<p>Thank you for the answer.</p>
<p><br>
</p>
<p>I can play back video using <span style="color:rgb(33,33,33);font-size:15px">gst-play-1.0.</span></p>
<p><span style="color:rgb(33,33,33);font-size:15px"><br>
</span></p>
<p><span style="color:rgb(33,33,33);font-size:15px">Can you be more specific, please,  about how to "<span style="color:rgb(33,33,33);font-size:15px"><i>them dump the resulting pipeline to a dot file</i></span>".</span></p>
<p><span style="color:rgb(33,33,33);font-size:15px">It is no options at </span><font color="#212121"><span style="font-size:15px">gst-play-1.0 to dump constructed pipeline in console.</span></font></p>
<p><font color="#212121"><span style="font-size:15px"><br>
</span></font></p>
<p><br>
</p>
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<div id="m_-6566960940764810220divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" color="#000000" face="Calibri, sans-serif"><b>From:</b> Duncan Palmer-2 [via GStreamer-devel] <ml-node+<a href="http:///user/SendEmail.jtp?type=node&node=4679861&i=0" rel="nofollow" link="external" target="_blank">[hidden
 email]</a>><br>
<b>Sent:</b> Friday, September 30, 2016 12:02:07 AM<br>
<b>To:</b> Michael Yarochkin<br>
<b>Subject:</b> Re: Can not play MKV</font>
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<div class="h5">
<div dir="ltr">There's a few potential problems here. Rather than figuring out what they are, I'd suggest you just try playing it with gst-play-1.0 first, rather than manually constructing the pipeline. You can them dump the resulting pipeline to a dot file
 and view it if you'd like to get an idea of how to manually construct.<br>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On 26 September 2016 at 18:13, Mikl <span dir="ltr"><<a href="http:///user/SendEmail.jtp?type=node&node=4679857&i=0" rel="nofollow" link="external" target="_blank">[hidden email]</a>></span> wrote:<br>
Hello,<br>
<br>
I have MKV, recodred my gstreamer<br>
  video: appsrc ! 'video/x-raw-rgb,width=800,hei<wbr>ght=600,framerate=24/1' !<br>
jpegenc ! matroskamux ! filesink<br>
  2 subtitles truks: appsrc ! '"text/x-raw' ! matroskamux ! filesink<br>
<br>
when i am trying to play it<br>
gst-launch-1.0 filesrc location=C:\\test\\test.mkv ! matroskademux name=mux<br>
mux.video_0! jpegdec ! autovideosink<br>
<br>
i have this error<br>
<br>
Setting pipeline to PAUSED ...<br>
Pipeline is PREROLLING ...<br>
ERROR: from element /GstPipeline:pipeline0/GstMatr<wbr>oskaDemux:mux: Internal<br>
data stream error.<br>
Additional debug info:<br>
matroska-demux.c(4759): gst_matroska_demux_loop ():<br>
/GstPipeline:pipeline0/GstMatr<wbr>oskaDemux:mux:<br>
streaming stopped, reason not-negotiated (-4)<br>
ERROR: pipeline doesn't want to preroll.<br>
Setting pipeline to NULL ...<br>
Freeing pipeline ...<br>
<br>
What is wrong?<br>
Can you help me please to play it<br>
<br>
Thank you in advance.<br>
<br>
<br>
<br>
<br>
--<br>
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