Initial Golang project
This commit is contained in:
Alexandre Iooss
commit
b5a7b9bbcd
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# Install dependencies and build
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FROM golang:1.15-alpine AS build_base
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RUN apk add --no-cache git
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WORKDIR /code
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COPY . .
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RUN go mod download
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RUN go build -o ./out/ghostream .
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# Production image
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FROM alpine:3.12
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RUN apk add ca-certificates
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COPY --from=build_base /code/out/ghostream /app/ghostream
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EXPOSE 8080
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CMD ["/app/ghostream"]
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[Unit]
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Description=Simple streaming server
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After=syslog.target
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[Service]
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User=www-data
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EnvironmentFile=-/etc/default/ghostream
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ExecStart=/usr/bin/ghostream
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Restart=on-failure
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[Install]
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WantedBy=multi-user.target
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package main
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import (
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"os"
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"log"
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"net/http"
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"html/template"
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)
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// Preload templates
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var templates = template.Must(template.ParseGlob("web/template/*.tmpl"))
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// Handle site index and viewer pages
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func handlerViewer(w http.ResponseWriter, r *http.Request) {
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// Remove traling slash
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//path := r.URL.Path[1:]
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// Render template
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err := templates.ExecuteTemplate(w, "base", nil)
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if err != nil {
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log.Println(err.Error())
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http.Error(w, "Internal Server Error", http.StatusInternalServerError)
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}
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}
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// Auth incoming stream
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func handleStreamAuth(w http.ResponseWriter, r *http.Request) {
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// FIXME POST request only with "name" and "pass"
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// if name or pass missing => 400 Malformed request
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// else login in against LDAP or static users
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http.Error(w, "Not implemented", 400)
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}
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// Handle static files
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// We do not use http.FileServer as we do not want directory listing
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func handleStatic(w http.ResponseWriter, r *http.Request) {
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path := "./" + r.URL.Path
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if f, err := os.Stat(path); err == nil && !f.IsDir() {
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http.ServeFile(w, r, path)
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} else {
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http.NotFound(w, r)
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}
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}
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func main() {
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// Set up HTTP router and server
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http.HandleFunc("/", handlerViewer)
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http.HandleFunc("/rtmp/auth", handleStreamAuth)
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http.HandleFunc("/static/", handleStatic)
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log.Fatal(http.ListenAndServe(":8080", nil))
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}
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body, html {
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height: 100%;
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margin: 0;
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}
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body {
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background-color: #3b4b5b;
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font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
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font-size: 1rem;
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font-weight: 400;
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line-height: 1.5;
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color: #bbb;
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text-align: justify;
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user-select: none;
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}
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p {
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margin-top: 0;
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margin-bottom: 1rem;
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}
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code {
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font-size: 87.5%;
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word-break: break-word;
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user-select: text;
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}
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svg {
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overflow: hidden;
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vertical-align: middle;
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}
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a {
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text-decoration: underline;
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text-decoration-style: dotted;
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color: inherit;
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}
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img {
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max-width: 100%;
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}
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h1, h2, h3, h4 {
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color: #ddd;
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}
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.container {
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height: 100%;
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width: 100%;
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display: flex;
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flex-wrap: wrap;
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height: 100%;
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}
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.col-video {
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padding: 1rem;
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flex-basis: 0;
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flex-grow: 1;
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position: relative;
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width: 100%;
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text-align: right;
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max-height: 90vh;
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}
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.col-chat {
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position: relative;
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width: 100%;
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height: 100%;
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box-shadow: 0 1rem 3rem rgba(0,0,0,0.175);
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}
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.col-chat iframe {
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position: absolute;
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top: 0;
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bottom: 0;
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left: 0;
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width: 100%;
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height: 100%;
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border: 0;
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}
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/* Hide chat toggler on small screen */
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#chatToggle {
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margin-left: 0.5rem;
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display: none;
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}
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/* On large screen, put chat on left */
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@media(min-width:1000px){
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.col-chat {
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width: 33.33333%;
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flex: 0 0 33.33333%;
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}
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#chatToggle {
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display: inline;
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}
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}
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{{define "base"}}
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<!DOCTYPE html>
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<html lang="fr">
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<head>
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<meta charset="UTF-8">
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<title>{{if .Path}}{{.Path}} - {{end}}SITE_NAME</title>
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<link rel="stylesheet" href="static/style.css">
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<link rel="shortcut icon" href="static/favicon.ico">
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</head>
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<body>
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{{if .Path}}
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{{template "viewer" .}}
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{{else}}
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{{template "index" .}}
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{{end}}
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</body>
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</html>
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{{end}}
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{{define "index"}}
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<div style="max-width:720px;margin:0 auto; padding: 1rem">
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<h1>SITE_NAME</h1>
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<p>
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SITE_NAME est un service maintenu par le
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<a href="https://crans.org/">Crans</a> permettant de diffuser
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un contenu vidéo. Il a pour but d'être utilisé pour diffuser
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des séminaires ou évènements.
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</p>
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<h2>Comment je diffuse ?</h2>
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<p>Pour diffuser un contenu vous devez être adhérent Crans.</p>
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<h3>Avec Open Broadcaster Software</h3>
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<p>
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<a href="https://obsproject.com/">Open Broadcaster Software</a>
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est une solution libre et open source de diffusion vidéo.
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Pour diffuser sur cette plateforme, allez dans les paramètres
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« <i>Stream (flux)</i> » :
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</p>
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<ul>
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<li>
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<b>Serveur :</b>
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<code>rtmps://config.SITE_HOSTNAME:1935/stream</code>,
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</li>
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<li>
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<b>Clé de stream :</b>
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<code>IDENTIFIANT?pass=MOT_DE_PASSE</code>
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avec <code>IDENTIFIANT</code> et <code>MOT_DE_PASSE</code>
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vos identifiants.
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</li>
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</ul>
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<img alt="" src="static/obs_stream.png">
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<p>
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Pour éviter les saccades, changez vos paramètres d'encodage dans
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« <i>Sortie</i> » avec un profil <code>baseline</code> et un
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règlage fin <code>zerolatency</code>.
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</p>
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<img alt="" src="static/obs_sortie.png">
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<p>
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Votre stream sera alors disponible sur
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<code>https://SITE_HOSTNAME/IDENTIFIANT</code>.
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</p>
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<h3>Avec FFmpeg</h3>
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<p>
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<code>
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ffmpeg -re -i mavideo.webm -vcodec libx264 -vprofile baseline
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-acodec aac -strict -2 -f flv
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rtmps://SITE_HOSTNAME:1935/stream/IDENTIFIANT?pass=MOT_DE_PASSE
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</code>
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</p>
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<h2>Mentions légales</h2>
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<p>
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Le service de diffusion vidéo du Crans est un service d'hébergement
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au sens de l'article 6, I, 2e de la loi 2004-575 du 21 juin 2004.
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Conformément aux dispositions de l'article 6, II du même,
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l'association Crans conserve les données de nature à permettre
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l'identification des auteurs du contenu diffusé.
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Ce service est hébergé par l'association Crans, au
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61 Avenue du Président Wilson, 94235 Cachan Cedex, France.
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</p>
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<p>
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<b>En cas de réclamation sur le contenu diffusé</b>,
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la loi vous autorise à contacter directement l'hébergeur à
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l'adresse suivante :
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<pre>Association Cr@ns - ENS Paris-Saclay<br/>Notification de Contenus Illicites<br/>4, avenue des Sciences<br/>91190 Gif-sur-Yvette<br/>France</pre>
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Vous pouvez également envoyer directement vos réclamations par
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courrier électronique à l'adresse <code>bureau[at]crans.org</code>.
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</p>
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</div>
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{{end}}
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{{define "viewer"}}
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<div class="container">
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<div class="col-video">
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<!-- Video -->
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<video id="player"></video>
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<!-- Links under video -->
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<p>
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<svg width="1em" height="1em" viewBox="0 0 16 16" class="bi bi-box-arrow-up-right" fill="currentColor" xmlns="http://www.w3.org/2000/svg">
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<path fill-rule="evenodd" d="M1.5 13A1.5 1.5 0 0 0 3 14.5h8a1.5 1.5 0 0 0 1.5-1.5V9a.5.5 0 0 0-1 0v4a.5.5 0 0 1-.5.5H3a.5.5 0 0 1-.5-.5V5a.5.5 0 0 1 .5-.5h4a.5.5 0 0 0 0-1H3A1.5 1.5 0 0 0 1.5 5v8zm7-11a.5.5 0 0 1 .5-.5h5a.5.5 0 0 1 .5.5v5a.5.5 0 0 1-1 0V2.5H9a.5.5 0 0 1-.5-.5z"/>
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<path fill-rule="evenodd" d="M14.354 1.646a.5.5 0 0 1 0 .708l-8 8a.5.5 0 0 1-.708-.708l8-8a.5.5 0 0 1 .708 0z"/>
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</svg>
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<code>rtmps://SITE_HOSTNAME:1935/play/{{.path}}</code>
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<a href="#" id="chatToggle" title="Cacher/Afficher le chat">»</a>
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</p>
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</div>
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<!-- Chat -->
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<div class="col-chat" id="chatCol">
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<iframe src="https://irc.crans.org/web/?join=stream_{{.path}}&nick=viewer&password=&realname=Viewer" title="Chat"></iframe>
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</div>
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</div>
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<script src="/static/ovenplayer/ovenplayer.js"></script>
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<script>
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// Toggle chat
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const chatToggle = document.getElementById("chatToggle")
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chatToggle.addEventListener("click", function () {
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const chatCol = document.getElementById("chatCol")
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if (chatCol.style.display === "none") {
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chatCol.style.display = "block"
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chatToggle.textContent = "»"
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} else {
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chatCol.style.display = "none"
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chatToggle.textContent = "«"
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}
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})
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// Create player
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player = OvenPlayer.create("player", {
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autoStart: true,
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mute: true,
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expandFullScreenUI: true,
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sources: [
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{
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"file": "wss://SITE_HOSTNAME/play/{{.path}}",
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"type": "webrtc",
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"label": "WebRTC Source"
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}
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]
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});
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player.on("error", function(error){
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if (error.code === 501) {
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// Change message
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const errorMsg = document.getElementsByClassName("op-message-text")[0]
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errorMsg.textContent = "Le stream semble inactif. Cette page se rafraîchit toutes les 30 secondes."
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// Reload in 5s
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setTimeout(function () {
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player.load()
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}, 30000)
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} else {
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console.log(error);
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}
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});
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</script>
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{{end}}
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