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<p class="MsoNormal"><span lang="TR">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="TR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="TR">We have struggled with a problem. We will be glad for your help.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="TR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="TR">We will briefly pass development environment.
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:20.25pt;text-indent:-.25in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="TR"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="TR">Our yocto Project is dunfell branch,
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:20.25pt;text-indent:-.25in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="TR"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="TR">gstreamer version is 1.16.3,<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:20.25pt;text-indent:-.25in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="TR"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="TR">the cpu is imx6q<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:20.25pt;text-indent:-.25in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="TR"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="TR">gcc version is 9.3<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="TR" style="color:black">We are using two pipelines running simultaneously for /dev/video0 and /dev/video1 and the
</span><span lang="TR">following pipeline is for <span style="color:black">/dev/video0</span> :<span style="color:black"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span lang="TR">“</span><o:p></o:p></p>
<p style="text-indent:.5in"><span style="font-family:"Calibri",sans-serif;color:black">v4l2src device=/dev/video1 ! queue ! imxvpuenc_h264 name=imxvpuenc_4 bitrate=6000 ! queue ! h264parse name=h264parse_4 ! queue ! splitmuxsink_4.video splitmuxsink name=splitmuxsink_4
max-size-time=30000000000 async-handling=true mux-overhead=0.05 message-forward=true async-finalize=true muxer-factory=avimux location=/tmp/ssd/split_video%d.avi alsasrc do-timestamp=true provide-clock=false ! audio/x-raw,rate=8000,channels=2,format=S16LE,layout=interleaved
! queue ! audiomixer latency=200000000 name=mix ! queue ! mulawenc ! splitmuxsink_4.audio_0 audiotestsrc name=tonegen_4 freq=1000 volume=0 is-live=true ! audio/x-raw,rate=8000,channels=2,format=S16LE,layout=interleaved ! queue ! mix.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="TR">“</span><span lang="TR"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="TR"><o:p> </o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black">We have encountered some crash undeterministicly. Sometimes works correctly at least one day sometimes 10 minutes.<o:p></o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black">We got signals like SIGBUS,SIGHUP,SIGILL,SIGSEGV. That is also tested with gst-launch.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="TR" style="font-size:12.0pt;color:black">Core dump usually shows crash on audio elements and queues after audio elements (after alsa src, audiomixer and audiotestsrc). It is also rarely on queue after v4l2src.
</span><span lang="TR" style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black">gdb shows corrupted stack prevents further investigation for us.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="TR" style="font-size:12.0pt;color:black">valgrind pipelines could not work properly because of processing power.</span><span lang="TR" style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black;background:yellow;mso-highlight:yellow"><o:p> </o:p></span></p>
<p><u><span style="font-family:"Calibri",sans-serif;color:black">According to all test that we have done so far, there is no problem without audio.<o:p></o:p></span></u></p>
<p class="MsoNormal"><span lang="TR" style="color:black;background:yellow;mso-highlight:yellow"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="TR">Have you ever </span><span lang="TR" style="font-size:12.0pt;color:black">encountered such things ? Do you have suggestion ?</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="TR">Thanks in advanced.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="TR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="TR"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="TR" style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:#7F7F7F;mso-fareast-language:TR">Oyku TEKIN<o:p></o:p></span></b></p>
<p class="MsoNormal" style="text-align:justify;text-autospace:none"><b><span lang="TR" style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray;mso-fareast-language:TR">Software Engineer</span></b><span lang="TR" style="font-size:8.0pt;font-family:"Verdana",sans-serif;mso-fareast-language:TR"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="TR" style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:TR"><a href="http://www.sdt.com.tr/"><span style="color:#0563C1">www.sdt.com.tr</span></a><o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="color:#1F497D"><img border="0" width="143" height="75" id="Picture_x0020_1" src="cid:image001.jpg@01D752EE.7DBFE0E0" alt="Description: Description: galyum logo"></span><span lang="TR" style="color:#1F497D;mso-fareast-language:TR"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="TR"><o:p> </o:p></span></p>
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