<html><head></head><body bgcolor="#ffffff" text="#2e3436" link="#2a76c6" vlink="#2e3436"><div>Unfortunately gst-mmal hasn't got any encoders implemented (yet) :)</div><div><br></div><div>Kris</div><div><br></div><div>On Tue, 2018-06-05 at 07:08 +0200, P S wrote:</div><blockquote type="cite"><div style="font-family: Verdana;font-size: 12.0px;"><div>
<div>Helo Matthew,</div>
<div> </div>
<div>take a look at <a href="https://github.com/youviewtv/gst-mmal.git">https://github.com/youviewtv/gst-mmal.git</a></div>
<div>It's working, i use them.</div>
<div> </div>
<div>Peter</div>
<div>
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<div style="margin: 0px 0px 10px;"><b>Gesendet:</b> Dienstag, 05. Juni 2018 um 05:12 Uhr<br>
<b>Von:</b> "Matthew Thyer" <matthew.thyer@adelaide.edu.au><br>
<b>An:</b> "Discussion of the development of and with GStreamer" <gstreamer-devel@lists.freedesktop.org><br>
<b>Betreff:</b> non-GPL H.264 video encoder element for Raspberry Pi 3 or 3B+?</div>
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<p class="MsoNormal">I'm looking for a non-GPL licenced x264 video encoder that I can use on the Raspberry Pi v3 (or 3 B+) hardware running some Linux variant. Ideally this encoder should support the NEON video acceleration block that is part of the Raspberry Pi v3 or 3B+ SoC.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">In the following 19-Nov-2017 post, Nicolas Dufresne summarises use cases for some H.264 encoders:</p>
<p class="MsoNormal"><a href="https://lists.freedesktop.org/archives/gstreamer-devel/2017-November/066181.html" target="_blank">https://lists.freedesktop.org/archives/gstreamer-devel/2017-November/066181.html</a></p>
<p class="MsoNormal">The encoders Nicolas lists are: x264enc (GPL), vaapih264enc (Intel H/W), nvh264enc (nvidia H/W), openh264enc (Cisco free codec for PCs), omxh264enc (Raspberry Pi) & v4l2h264enc (with GStreamer 1.14+).</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Of these, it would seem that omxh264enc & v4l2h264enc would be of interest.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">I've not been able to get the video4linux2 plugin (from gst-plugins-good) to provide more than the three elements: v4l2src, v4l2sink & v4l2radio even when I compile v4l-utils v1.14.2 and gstreamer v1.14.1 from source.</p>
<p class="MsoNormal">I see that the v4l2h264enc functionality was added to gst-plugins-good via Bug 728438</p>
<p class="MsoNormal"><a href="https://bugzilla.gnome.org/show_bug.cgi?id=728438" target="_blank">https://bugzilla.gnome.org/show_bug.cgi?id=728438</a> but I clearly don't understand how to gain access to it.</p>
<p class="MsoNormal">Is it possible to use this on a Raspberry Pi 3 or 3B+ and would it be NEON accelerated?</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">I have tried an earlier version of omxh264enc but it’s didn’t like the stream from my camera and I’m yet to try again with GStreamer release 1.14.1.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">I'm aware of the very good x264enc element which is nominally GPL licenced but is supposed to be available under alternate licencing if you contact them but all three attempts I have made to do so have gone unanswered.</p>
<p class="MsoNormal">Does someone know of a contact method that works?</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Please help!</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal" style="background: white;"><span style="color: gray; font-family: Arial , sans-serif; font-size: 10pt;">---</span></p>
<p class="MsoNormal" style="background: white;"><span style="color: gray; font-family: Tahoma , sans-serif; font-size: 10pt;">Matthew Thyer</span></p>
<p class="MsoNormal" style="background: white;"><span style="color: gray; font-family: Tahoma , sans-serif; font-size: 10pt;">(08) 8313 9283</span></p>
<p class="MsoNormal" style="background: white;"><span style="color: gray; font-family: Tahoma , sans-serif; font-size: 10pt;">4.38 Ingkarni Wardli</span></p>
<p class="MsoNormal" style="background: white;"><span style="color: gray; font-family: Tahoma , sans-serif; font-size: 10pt;">Adelaide University</span></p>
<p class="MsoNormal"> </p>
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