Add aiortc addon, untested.

aiortc/DOCS.md

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+# Documentation
+
+## Configuration
+

aiortc/Dockerfile

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+ARG BUILD_FROM="ghcr.io/home-assistant/amd64-base-debian:bullseye"
+FROM ${BUILD_FROM}
+
+ENV PIP_FLAGS="--no-cache-dir"
+
+# Install dependencies
+RUN apt update && \
+    apt install -y \
+        --no-install-recommends \
+        python3-pip \
+        git \
+        nginx \
+    && pip install aiohttp aiortc \
+    && git clone https://github.com/aiortc/aiortc \
+    && apt remove -y git \
+    && apt clean
+
+# Copy root filesystem
+COPY rootfs /

aiortc/README.md

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+# aiortc
+
+Provide streaming with support for WebRTC.

aiortc/build.yaml

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+---
+build_from:
+  aarch64: ghcr.io/home-assistant/aarch64-base-debian:bullseye
+  amd64: ghcr.io/home-assistant/amd64-base-debian:bullseye
+  armhf: ghcr.io/home-assistant/armhf-base-debian:bullseye
+  armv7: ghcr.io/home-assistant/armv7-base-debian:bullseye
+  i386: ghcr.io/home-assistant/i386-base-debian:bullseye

aiortc/config.yaml

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+---
+name: "3DPrinter-aiortc"
+version: "2022.7.001"
+slug: "3dprinter-aiortc"
+description: "Camera stream with support for WebRTC."
+url: "https://github.com/fredrikbaberg/3dprinter-addons/tree/main/3dprinter-aiortc"
+ingress: true
+ingress_stream: true
+panel_icon: mdi:camera
+arch:
+  - aarch64
+  - amd64
+  - armhf
+  - armv7
+  - i386
+init: false
+ports:
+  80/tcp: null
+ports_description:
+  80/tcp: Web interface (Not required for Ingress)
+video: true
+options:
+  webrtc_arguments: ''
+schema:
+  webrtc_arguments: str

aiortc/rootfs/etc/cont-init.d/aiortc.sh

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+#!/usr/bin/with-contenv bashio
+# ==============================================================================
+# Add-on: aiortc
+# Configures aiortc configuration
+# ==============================================================================
+
+touch /data/aiortc/aiortc.conf
+if bashio::config.has_value 'webrtc_arguments'; then
+    bashio::config.webrtc_arguments > "/data/aiortc/aiortc.conf"
+    done
+fi

aiortc/rootfs/etc/cont-init.d/nginx.sh

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+#!/usr/bin/with-contenv bashio
+# ==============================================================================
+# Add-on: aiortc
+# Configures NGINX for use with aiortc
+# ==============================================================================
+
+# Generate Ingress configuration
+bashio::var.json \
+    interface "$(bashio::addon.ip_address)" \
+    port "^$(bashio::addon.ingress_port)" \
+    | tempio \
+        -template /etc/nginx/templates/ingress.gtpl \
+        -out /etc/nginx/servers/ingress.conf

aiortc/rootfs/etc/nginx/includes/mime.types

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+types {
+    text/html                                        html htm shtml;
+    text/css                                         css;
+    text/xml                                         xml;
+    image/gif                                        gif;
+    image/jpeg                                       jpeg jpg;
+    application/javascript                           js;
+    application/atom+xml                             atom;
+    application/rss+xml                              rss;
+
+    text/mathml                                      mml;
+    text/plain                                       txt;
+    text/vnd.sun.j2me.app-descriptor                 jad;
+    text/vnd.wap.wml                                 wml;
+    text/x-component                                 htc;
+
+    image/png                                        png;
+    image/svg+xml                                    svg svgz;
+    image/tiff                                       tif tiff;
+    image/vnd.wap.wbmp                               wbmp;
+    image/webp                                       webp;
+    image/x-icon                                     ico;
+    image/x-jng                                      jng;
+    image/x-ms-bmp                                   bmp;
+
+    font/woff                                        woff;
+    font/woff2                                       woff2;
+
+    application/java-archive                         jar war ear;
+    application/json                                 json;
+    application/mac-binhex40                         hqx;
+    application/msword                               doc;
+    application/pdf                                  pdf;
+    application/postscript                           ps eps ai;
+    application/rtf                                  rtf;
+    application/vnd.apple.mpegurl                    m3u8;
+    application/vnd.google-earth.kml+xml             kml;
+    application/vnd.google-earth.kmz                 kmz;
+    application/vnd.ms-excel                         xls;
+    application/vnd.ms-fontobject                    eot;
+    application/vnd.ms-powerpoint                    ppt;
+    application/vnd.oasis.opendocument.graphics      odg;
+    application/vnd.oasis.opendocument.presentation  odp;
+    application/vnd.oasis.opendocument.spreadsheet   ods;
+    application/vnd.oasis.opendocument.text          odt;
+    application/vnd.openxmlformats-officedocument.presentationml.presentation
+                                                     pptx;
+    application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
+                                                     xlsx;
+    application/vnd.openxmlformats-officedocument.wordprocessingml.document
+                                                     docx;
+    application/vnd.wap.wmlc                         wmlc;
+    application/x-7z-compressed                      7z;
+    application/x-cocoa                              cco;
+    application/x-java-archive-diff                  jardiff;
+    application/x-java-jnlp-file                     jnlp;
+    application/x-makeself                           run;
+    application/x-perl                               pl pm;
+    application/x-pilot                              prc pdb;
+    application/x-rar-compressed                     rar;
+    application/x-redhat-package-manager             rpm;
+    application/x-sea                                sea;
+    application/x-shockwave-flash                    swf;
+    application/x-stuffit                            sit;
+    application/x-tcl                                tcl tk;
+    application/x-x509-ca-cert                       der pem crt;
+    application/x-xpinstall                          xpi;
+    application/xhtml+xml                            xhtml;
+    application/xspf+xml                             xspf;
+    application/zip                                  zip;
+
+    application/octet-stream                         bin exe dll;
+    application/octet-stream                         deb;
+    application/octet-stream                         dmg;
+    application/octet-stream                         iso img;
+    application/octet-stream                         msi msp msm;
+
+    audio/midi                                       mid midi kar;
+    audio/mpeg                                       mp3;
+    audio/ogg                                        ogg;
+    audio/x-m4a                                      m4a;
+    audio/x-realaudio                                ra;
+
+    video/3gpp                                       3gpp 3gp;
+    video/mp2t                                       ts;
+    video/mp4                                        mp4;
+    video/mpeg                                       mpeg mpg;
+    video/quicktime                                  mov;
+    video/webm                                       webm;
+    video/x-flv                                      flv;
+    video/x-m4v                                      m4v;
+    video/x-mng                                      mng;
+    video/x-ms-asf                                   asx asf;
+    video/x-ms-wmv                                   wmv;
+    video/x-msvideo                                  avi;
+}

aiortc/rootfs/etc/nginx/includes/proxy_params.conf

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+proxy_http_version          1.1;
+proxy_ignore_client_abort   off;
+proxy_read_timeout          86400s;
+proxy_redirect              off;
+proxy_send_timeout          86400s;
+proxy_max_temp_file_size    0;
+
+proxy_set_header Accept-Encoding "";
+proxy_set_header Connection $connection_upgrade;
+proxy_set_header Host $http_host;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+proxy_set_header X-Forwarded-Proto $scheme;
+proxy_set_header X-NginX-Proxy true;
+proxy_set_header X-Real-IP $remote_addr;

aiortc/rootfs/etc/nginx/includes/server_params.conf

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+root            /dev/null;
+server_name     $hostname;
+
+add_header X-Content-Type-Options nosniff;
+add_header X-XSS-Protection "1; mode=block";
+add_header X-Robots-Tag none;

aiortc/rootfs/etc/nginx/includes/ssl_params.conf

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+ssl_protocols TLSv1.2 TLSv1.3;
+ssl_prefer_server_ciphers off;
+ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
+ssl_session_timeout  10m;
+ssl_session_cache shared:SSL:10m;
+ssl_session_tickets off;
+ssl_stapling on;
+ssl_stapling_verify on;

aiortc/rootfs/etc/nginx/includes/upstream.conf

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+upstream backend {
+    server 127.0.0.1:8080;
+}

aiortc/rootfs/etc/nginx/nginx.conf

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+# Run nginx in foreground.
+daemon off;
+
+# This is run inside Docker.
+user root;
+
+# Pid storage location.
+pid /var/run/nginx.pid;
+
+# Set number of worker processes.
+worker_processes 1;
+
+# Enables the use of JIT for regular expressions to speed-up their processing.
+pcre_jit on;
+
+# Write error log to the add-on log.
+error_log /proc/1/fd/1 error;
+
+# Max num of simultaneous connections by a worker process.
+events {
+    worker_connections 512;
+}
+
+http {
+    include /etc/nginx/includes/mime.types;
+
+    access_log              off;
+    client_max_body_size    4G;
+    default_type            application/octet-stream;
+    gzip                    on;
+    keepalive_timeout       65;
+    sendfile                on;
+    server_tokens           off;
+    tcp_nodelay             on;
+    tcp_nopush              on;
+
+    map $http_upgrade $connection_upgrade {
+        default upgrade;
+        ''      close;
+    }
+
+    include /etc/nginx/includes/upstream.conf;
+    include /etc/nginx/servers/*.conf;
+}

aiortc/rootfs/etc/nginx/templates/direct.gtpl

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+server {
+    {{ if not .ssl }}
+    listen {{ .port }} default_server;
+    {{ else }}
+    listen {{ .port }} default_server ssl http2;
+    {{ end }}
+
+    include /etc/nginx/includes/server_params.conf;
+    include /etc/nginx/includes/proxy_params.conf;
+
+    {{ if .ssl }}
+    include /etc/nginx/includes/ssl_params.conf;
+
+    ssl_certificate /ssl/{{ .certfile }};
+    ssl_certificate_key /ssl/{{ .keyfile }};
+    {{ end }}
+
+    location / {
+        proxy_pass http://backend;
+    }
+}

aiortc/rootfs/etc/nginx/templates/ingress.gtpl

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+server {
+    listen {{ .interface }}:{{ .port }} default_server;
+
+    include /etc/nginx/includes/server_params.conf;
+    include /etc/nginx/includes/proxy_params.conf;
+
+    location / {
+        allow   172.30.32.2;
+        deny    all;
+
+        proxy_pass http://backend;
+    }
+}

aiortc/rootfs/etc/services.d/aiortc/finish

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+#!/usr/bin/execlineb -S0
+# ==============================================================================
+# Add-on: aiortc
+# Take down the S6 supervision tree when aiortc fails
+# ==============================================================================
+if -n { s6-test $# -ne 0 }
+if -n { s6-test ${1} -eq 256 }
+
+s6-svscanctl -t /var/run/s6/services

aiortc/rootfs/etc/services.d/aiortc/run

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+#!/usr/bin/with-contenv bashio
+# ==============================================================================
+# Add-on: aiortc
+# Runs aiortc
+# ==============================================================================
+declare -a options
+
+
+bashio::log.info "Starting aiortc..."
+
+options+=(-c /data/aiortc/aiortc.conf)
+
+# Enable debug mode
+if bashio::debug; then
+    options+=(--verbose)
+fi
+
+# Run aiortc
+exec python3 /aiortc/examples/webcam/webcam.py "${options[@]}"

aiortc/rootfs/etc/services.d/nginx/finish

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+#!/usr/bin/execlineb -S0
+# ==============================================================================
+# Add-on: aiortc
+# Take down the S6 supervision tree when Nginx fails
+# ==============================================================================
+if -n { s6-test $# -ne 0 }
+if -n { s6-test ${1} -eq 256 }
+
+s6-svscanctl -t /var/run/s6/services

aiortc/rootfs/etc/services.d/nginx/run

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+#!/usr/bin/with-contenv bashio
+# ==============================================================================
+# Add-on: aiortc
+# Runs the Nginx daemon
+# ==============================================================================
+
+# Wait for aiortc web server to be available
+bashio::net.wait_for 8080
+
+bashio::log.info "Starting NGinx..."
+exec nginx

aiortc/translations/en.yaml

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+configuration:
+  message:
+    name: Message
+    description: The message that will be printed to the log when starting this example add-on.
+network:
+  5000/TCP: OctoPrint port (not used for Ingress)