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2022-05-27 18:56:24 -04:00
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README.html
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<p>For NVIDIA graphics with the proprietary drivers, the <code>nvh264dec</code> plugin (included in gstreamer1.0-plugins-bad since GStreamer-1.18.0) can be used for accelerated video decoding on the NVIDIA GPU after NVIDIA’s CUDA driver <code>libcuda.so</code> is installed. This plugin should be used with options <code>uxplay -vd nvh264dec -vs glimagesink</code>. For GStreamer-1.16.3 or earlier, the plugin is called <code>nvdec</code>, and must be built by the user: see <a href="https://github.com/FDH2/UxPlay/wiki/NVIDIA-nvdec-and-nvenc-plugins">these instructions</a>. This older form of the NVIDIA plugin should be used with the <code>-vd nvdec -vs glimagesink</code> uxplay options.</p>
<ul>
<li><p><strong>GPU Support for Raspberry Pi</strong></p>
<p>Raspberry Pi (RPi) computers can run UxPlay with software decoding of h264 video (by adding <code>-avdec</code> to the uxplay options) but this usually has unacceptable latency, and hardware-accelerated decoding by the Pi’s built-in Broadcom GPU should be used. RPi OS (Bullseye) has abandoned the unmaintained 32-bit-only omx (OpenMAX) driver used for this by <a href="http://github.com/FD-/RPiPlay">RPiPlay</a>, in favor of v4l2 (Video4Linux2). Fixes to the GStreamer v4l2 plugin that allow it to work with UxPlay on RPi are now in the GStreamer-1.21 development branch, and will only be available in the upcoming GStreamer-1.22 release, but a (partial) backport (as <code>gstreamer1.0-plugins-good-1.18.4-2+~rpt1</code>) for RPi OS (Bullseye) has already appeared in its current updates. Until the promised full update appears, or if you are using a different distribution,you can find <a href="https://github.com/FDH2/UxPlay/wiki/Gstreamer-Video4Linux2-plugin-patches">patching instructions for GStreamer</a> in the <a href="https://github.com/FDH2/UxPlay/wiki">UxPlay Wiki</a>. Patches for GStreamer-1.18.5 (for Ubuntu 21.10), 1.18.6, 1.20.0, 1.20.1 (for Ubuntu 22.04) and 1.20.2 (for Manjaro RPi 4 22.04) are also available.</p></li>
<p>Raspberry Pi (RPi) computers can run UxPlay with software decoding of h264 video (by adding <code>-avdec</code> to the uxplay options) but this usually has unacceptable latency, and hardware-accelerated decoding by the Pi’s built-in Broadcom GPU should be used. RPi OS (Bullseye) has abandoned the unmaintained 32-bit-only omx (OpenMAX) driver used for this by <a href="http://github.com/FD-/RPiPlay">RPiPlay</a>, in favor of v4l2 (Video4Linux2). Fixes to the GStreamer v4l2 plugin that allow it to work with UxPlay on RPi are now in the GStreamer-1.21 development branch, and will only be available in the upcoming GStreamer-1.22 release, but a (partial) backport (as <code>gstreamer1.0-plugins-good-1.18.4-2+~rpt1</code>) for RPi OS (Bullseye) has already appeared in its current updates. Until the promised full update appears, or if you are using a different distribution, you can find <a href="https://github.com/FDH2/UxPlay/wiki/Gstreamer-Video4Linux2-plugin-patches">patching instructions for GStreamer</a> in the <a href="https://github.com/FDH2/UxPlay/wiki">UxPlay Wiki</a>. Patches for GStreamer-1.18.5 (for Ubuntu 21.10), 1.18.6, 1.20.0, 1.20.1 (for Ubuntu 22.04) and 1.20.2 (for Manjaro RPi 4 22.04) are also available.</p></li>
</ul>
<h3 id="note-to-packagers-openssl-3.0.0-solves-gpl-v3-license-issues.">Note to packagers: OpenSSL-3.0.0 solves GPL v3 license issues.</h3>
<p>Some Linux distributions such as Debian do not allow distribution of compiled GPL code linked to OpenSSL-1.1.1 because its “dual OpenSSL/SSLeay” license has some incompatibilities with GPL, unless all code authors have explicitly given an “exception” to allow such linking (the historical origins of UxPlay make this impossible to obtain). Other distributions treat OpenSSL as a “System Library” which the GPL allows linking to.</p>

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README.md
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@@ -116,7 +116,7 @@ the `-vd nvdec -vs glimagesink` uxplay options.
but a (partial) backport (as `gstreamer1.0-plugins-good-1.18.4-2+~rpt1`)
for RPi OS (Bullseye) has already appeared in its current updates. Until
the promised full update appears, or if you are using a different
distribution,you can find
distribution, you can find
[patching instructions for GStreamer](https://github.com/FDH2/UxPlay/wiki/Gstreamer-Video4Linux2-plugin-patches)
in the [UxPlay Wiki](https://github.com/FDH2/UxPlay/wiki). Patches for
GStreamer-1.18.5 (for Ubuntu 21.10), 1.18.6, 1.20.0, 1.20.1

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README.txt
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@@ -125,8 +125,8 @@ This older form of the NVIDIA plugin should be used with the
GStreamer-1.22 release, but a (partial) backport (as
`gstreamer1.0-plugins-good-1.18.4-2+~rpt1`) for RPi OS (Bullseye)
has already appeared in its current updates. Until the promised full
update appears, or if you are using a different distribution,you can
find [patching instructions for
update appears, or if you are using a different distribution, you
can find [patching instructions for
GStreamer](https://github.com/FDH2/UxPlay/wiki/Gstreamer-Video4Linux2-plugin-patches)
in the [UxPlay Wiki](https://github.com/FDH2/UxPlay/wiki). Patches
for GStreamer-1.18.5 (for Ubuntu 21.10), 1.18.6, 1.20.0, 1.20.1 (for