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<div class="elementToProof" style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Hi Mathieu, thanks for your answers. I'm using the suggested pipeline as a client. I can see the video, but without the overlay (no bounding box). <br>
Using another pipeline to see the metadata XML only, the structure and information seems correct.</div>
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--</div>
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<?xml version='1.0' encoding='utf-8'?></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:MetadataStream xmlns:tt="http://www.onvif.org/ver10/schema"></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:VideoAnalytics></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:Frame UtcTime="2024-07-18T18:10:25.554790Z"></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:Object ObjectId="0"></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:Appearance></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:Shape></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:BoundingBox left="348.268" bottom="55.976" right="401.388" top="114.761"/></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:CenterOfGravity x="374.828" y="85.368"/></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:Polygon></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:Point x="348.268" y="55.976"/></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:Point x="401.388" y="55.976"/></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:Point x="401.388" y="114.761"/></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:Point x="348.268" y="114.761"/></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
</tt:Polygon></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
</tt:Shape></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:Class></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<tt:Type Likelihood="0.508">bus</tt:Type></div>
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</tt:Class></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
</tt:Appearance></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
</tt:Object></div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
</tt:Frame></div>
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</tt:VideoAnalytics></div>
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</tt:MetadataStream></div>
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--</div>
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<br>
</div>
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But, there are several WARNGING in the terminal:</div>
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<br>
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--</div>
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0:00:14.668628093 2871277 0x783424000e20 WARN onvifmetadataparse net/onvif/src/onvifmetadataparse/imp.rs:706:gstrsonvif::onvifmetadataparse::imp::OnvifMetadataParse::drain:<onvifmetadataparse0> UTC time 1091757:30:20.516320000 outside segment</div>
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0:00:16.528620317 2871277 0x783424000b90 WARN onvifmetadatacombiner net/onvif/src/onvifmetadatacombiner/imp.rs:303:gstrsonvif::onvifmetadatacombiner::imp::OnvifMetadataCombiner::consume_media:<omc> Timed out but did not receive all meta for media buffer
from 1091757:30:22.031219222-1091757:30:22.064552555 yet</div>
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0:00:16.561956797 2871277 0x783424000b90 WARN onvifmetadatacombiner net/onvif/src/onvifmetadatacombiner/imp.rs:303:gstrsonvif::onvifmetadatacombiner::imp::OnvifMetadataCombiner::consume_media:<omc> Timed out but did not receive all meta for media buffer
from 1091757:30:22.064552555-1091757:30:22.097885888 yet</div>
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0:00:16.595305922 2871277 0x783424000b90 WARN onvifmetadatacombiner net/onvif/src/onvifmetadatacombiner/imp.rs:303:gstrsonvif::onvifmetadatacombiner::imp::OnvifMetadataCombiner::consume_media:<omc> Timed out but did not receive all meta for media buffer
from 1091757:30:22.097885888-1091757:30:22.131219221 yet</div>
<div id="Signature">
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--</div>
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<br>
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</div>
<div id="appendonsend"></div>
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Using this pipeline to retrieve metadata only, it seems to work as well:</div>
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<br>
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# gst-launch-1.0 rtspsrc location="rtsp://localhost:8555/stream" protocols=tcp ! rtponvifmetadatadepay ! fakesink dump=true</div>
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Setting pipeline to PAUSED ...</div>
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Pipeline is live and does not need PREROLL ...</div>
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Progress: (open) Opening Stream</div>
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Pipeline is PREROLLED ...</div>
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Prerolled, waiting for progress to finish...</div>
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Progress: (connect) Connecting to rtsp://localhost:8555/stream</div>
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Progress: (open) Retrieving server options</div>
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Progress: (open) Retrieving media info</div>
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Progress: (request) SETUP stream 0</div>
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Progress: (request) SETUP stream 1</div>
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Progress: (open) Opened Stream</div>
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Setting pipeline to PLAYING ...</div>
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New clock: GstSystemClock</div>
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Progress: (request) Sending PLAY request</div>
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Progress: (request) Sending PLAY request</div>
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Progress: (request) Sent PLAY request</div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Redistribute latency...</div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Redistribute latency...</div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Redistribute latency...</div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
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Any suggestions to try?</div>
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Thanks!</div>
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Matias</div>
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<div id="divRplyFwdMsg" dir="ltr"><span style="font-family: Calibri, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"><b>De:</b> Mathieu Duponchelle <mathieu@centricular.com><br>
<b>Enviado:</b> viernes, 28 de junio de 2024 12:59<br>
<b>Para:</b> Discussion of the development of and with GStreamer <gstreamer-devel@lists.freedesktop.org><br>
<b>Cc:</b> Matias Varela <matias.varela@epicio.com><br>
<b>Asunto:</b> [EXTERNAL]Re: Asking for examples of rsonvif</span>
<div> </div>
</div>
<p>Hello Matias,</p>
<p>Yes, documentation is severely lacking for those elements :| In practice on the receiving side I was running pipelines such as:</p>
<pre><div><code>gst-launch-1.0 onvifmetadatacombiner latency=500000000 name=omc ! videoconvert ! onvifmetadataoverlay ! videoconvert ! autovideosink rtspsrc latency=500 add-reference-timestamp-meta=true location="redacted" name=src src. ! application/x-rtp, encoding-name=H264 ! rtph264depay ! h264parse ! avdec_h264 ! <a href="https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fomc.media&c=E,1,4zAiTwCr487ra1LUNQ5U1U0L6rCtRUUhTjiWlfaWHocLRLCrMFpwuWrhZsm5jsmtbV5F3XmC6za01BUiZmJN2A9q0b1C8EXgT0oVnu_cfcYK&typo=1&ancr_add=1" id="OWAf1d44040-11ac-fb66-3c44-56e2e0333527" class="OWAAutoLink" data-auth="NotApplicable">omc.media</a> src. ! rtponvifmetadatadepay ! onvifmetadataparse ! omc.meta
</code></div></pre>
<p>On the sender side, you are going to want to produce XML data according to the ONVIF specification, route it through
<code>rtponvifmetadatapay</code> and send it over, I have not done any sort of authoring as part of my work on this to be honest :)</p>
<p>Wishing you luck!</p>
<p>On Thu, 2024-06-27 at 21:19 +0000, Matias Varela via gstreamer-devel wrote:</p>
<blockquote>
<p>Hi everyone. </p>
<p>I'm very new to gstreamer and also to this email list, but I can't find any information on how to use rsonvif (<a href="https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fgstreamer.freedesktop.org%2fdocumentation%2frsonvif&c=E,1,pH3nXq7ETm7txKXbelu4m3Ippj7ELfS5YZ6m8CJ9FgisJaWFZPyVj4mNxC5z4BuaB1Sg36DJFUGRYCzbLg8S8ju_w2oOQSzBkBjxqLYOTbCirTAyHg,,&typo=1" id="OWA48072bea-fe32-f35b-23a0-636958cdafb6" class="OWAAutoLink" data-auth="NotApplicable" style="margin-top: 0px; margin-bottom: 0px;">https://gstreamer.freedesktop.org/documentation/rsonvif</a>)</p>
<p>I'm building an application to take a rtsp stream, detect and track some objects, and then place this metadata according to the ONVIF Profile M specification (using rtponvifmetadatapay). In the end, I need to use onvifmetadataoverlay to see both things together
in the player.<br>
This is the general idea, so any information to point me in the right direction is appreciated.</p>
<p>I saw the code <a href="https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fgitlab.freedesktop.org%2fgstreamer%2fgst-plugins-rs%2f-%2ftree%2fmain%2fnet%2fonvif%2fsrc%3fref_type%3dheads%2c&c=E,1,qi3tpwNSbByD3j50cN_HOMRTN0PXGLydCRwgk4nMlaclynmN1ED14iBckLN2Oqh-XZxa2UTmi8O2rhyJshoYtHTM2Micmk0AGTcs1gZWHrXxMUlp2_093Q,,&typo=1&ancr_add=1" id="OWA43714b16-e218-8fda-a63b-80a9eea4ace0" class="OWAAutoLink" data-auth="NotApplicable" style="margin-top: 0px; margin-bottom: 0px;">
https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/tree/main/net/onvif/src?ref_type=heads,</a> and, beyond a relative new with rust, the code do not have comments or readme to know how I can use it.</p>
<p>Thanks!</p>
<p>matuu</p>
<p>-- <b>Matias Varela</b> | Backend Engineer</p>
<p><b>AI | IoT | Connectivity</b><br>
<a href="https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fwww.epicio.com%2f&c=E,1,jTfcXbf224yu19YXegPrsf7GN9O6jZJURIxAGkafsrhgFUJqKPoYadokVhvcuiq2o6dmrpaPBOgrqN-pctOq6GWw4MpyIOw9a0cufWX5tg,,&typo=1" id="OWA2a2ef932-a2ae-d584-3f78-2d2d351d5b4f" class="OWAAutoLink" data-auth="NotApplicable" style="margin-top: 0px; margin-bottom: 0px;">www.epicio.com</a></p>
<p> </p>
</blockquote>
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