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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hey Alan,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks for answering.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">My aim is to encode the video yes.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Based on your answer I tried the following command line:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">gst-launch-1.0 filesrc location=/mnt/sdcard/testGSTPipelines/IRSeq_BUTIV_Davis1A_420_short.yuv blocksize=491520 ! \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">video/x-raw,format=i420,width=640,height=512,framerate=25/1 \<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">! video/x-h264 ! avimux ! queue ! filesink location=test.avi<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">But I still get the same error.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I don’t get the first answer (“</span><span lang="EN-US">video/x-raw and video/x-h264 are incompatible”) as x264 is a video encoder…<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Best<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Claire</span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> gstreamer-devel [mailto:gstreamer-devel-bounces@lists.freedesktop.org]
<b>On Behalf Of </b>alan wang<br>
<b>Sent:</b> Thursday, August 11, 2016 10:20 AM<br>
<b>To:</b> Discussion of the development of and with GStreamer<br>
<b>Subject:</b> Re: error "no element "video"" when input is yuv<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hello Claire<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">What's your purpose here ? You want just play a yuv raw frames or encode yuv frames.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">If you want to play yuv raw frames with gstreamer. You need command line like:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">gst-launch-1.0 filesrc location=/home/user/Videos/out.yuv ! videoparse width=1920 height=816 framerate=24/1 format=2 ! autovideoconvert ! autovideosink<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">If you want to encoder raw frames, you need command line like:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">gst-launch-1.0 filesrc location=test_240X135.yuv blocksize=64800 ! video/x-raw, format=YUY2,width=240,height=135,framerate=25/1 ! omxmjpegvideoenc ! avimux ! queue ! filesink location=240x135_2.avi<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">2016-08-10 23:22 GMT+08:00 Weipeng HE <<a href="mailto:heweipeng@gmail.com" target="_blank">heweipeng@gmail.com</a>>:<o:p></o:p></p>
<p class="MsoNormal">Hi,<br>
<br>
video/x-raw and video/x-h264 are incompatible video types. You cannot<br>
link them without conversion. In other words, you need to put encoder<br>
element between them.<br>
<br>
Best,<br>
Weipeng<br>
<br>
On 10/08/16 16:52, Claire Mantel wrote:<br>
> Hello,<br>
><br>
><br>
><br>
> I’m trying to input a 420 yuv file.<br>
><br>
> I’m trying the following command line:<br>
><br>
><br>
><br>
> gst-launch-1.0 filesrc<br>
> location=/mnt/sdcard/testGSTPipelines/IRSeq_BUTIV_Davis1A_420_short.yuv ! \<br>
><br>
> video/x-raw,format=i420,width=640,height=512,framerate=25/1 \<br>
><br>
> ! video/x-h264! filesink location=test.mp4<br>
><br>
><br>
><br>
> And get the error “(gst-launch-1.0:1231): GStreamer-CRITICAL **:<br>
> gst_element_make_from_uri: assertion 'gst_uri_is_valid (uri)' failed<br>
><br>
> WARNING: erroneous pipeline: no element "video" ”<br>
><br>
><br>
><br>
> The weird thing is that when I encapsulate the same yuv file in avi it<br>
> works well with the command line:<br>
><br>
><br>
><br>
> gst-launch-1.0 filesrc<br>
> location=/mnt/sdcard/testGSTPipelines/IRSeq_BUTIV_Davis1A_420_short.avi ! \<br>
><br>
> video/x-h264 ! filesink location=test.mp4<br>
><br>
><br>
><br>
> Any idea what I might be doing wrong?<br>
><br>
> Thanks in advance!<br>
><br>
><br>
><br>
> Claire<br>
><br>
><br>
><br>
><br>
><br>
><br>
><br>
> _______________________________________________<br>
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> <a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a><br>
> <a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">
https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br>
><br>
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<p class="MsoNormal"><o:p> </o:p></p>
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