Comment utiliser Castr : Diffusez comme un pro en 2026

Démarrage rapide

Ce guide couvre toutes les fonctionnalités de Castr :

• Commencer — Create your Castr account and run your first stream
• Comment utiliser MultiStream — Push one live stream to multiple platforms at once
• Comment utiliser la monétisation vidéo — Charge viewers for access to your video content
• Comment utiliser le transcodeur — Convert your live video into several quality levels
• Comment utiliser la diffusion de télévision dans le cloud — Loop pre-recorded videos on a regular schedule
• Comment utiliser un serveur de transcodage vidéo en direct dans le cloud — Handle heavy encoding work in the cloud instead of your computer
• Comment utiliser l'hébergement vidéo — Store video files and embed them on your own website
• Comment utiliser le streaming via une caméra IP — Send an IP camera feed straight to a streaming platform
• Comment utiliser une plateforme OTT en marque blanche — Launch your own branded video streaming service

Temps nécessaire : 5 minutes par fonctionnalité

Vous trouverez également dans ce guide : Conseils de pro | Erreurs courantes | Dépannage | Tarification | Alternatives

Pourquoi faire confiance à ce guide ?

I have used Castr for eight months and tested every feature covered here.

This tutorial comes from real hands-on streaming — not vendor screenshots.

Castr is one of the most capable live streaming software tools available today.

But most live streamers only ever touch the multistreaming tab.

This guide shows you how to use Castr feature by feature.

Étape par étape, avec captures d'écran et conseils de pro.

Tutoriel Castr

This Castr tutorial walks through every feature, from your first stream to advanced setups.

Castr

Broadcast one live stream to more than 30 social media destinations at once. Castr handles multistreaming, video hosting, and pre-recorded premieres from a single dashboard. Start with a 7-day free trial.

ESSAYEZ CASTR MAINTENANT →

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ALTERNATIVES À CASTR →

Premiers pas avec Castr

Before touching any feature, finish this one-time setup.

Cela prend environ trois minutes.

Here is what the setup looked like when I ran it myself:

Passons maintenant en revue chaque étape.

Step 1: Create Your Castr Account

Go to the Castr website and click Sign Up.

Enter your email, then click activate trial to open the 7-day free trial.

The trial covers multistreaming, video hosting, and every paid feature.

✓ Point de contrôle: Vérifiez votre boîte de réception pour l'e-mail de confirmation.

Step 2: Open the Castr Dashboard

Castr runs in your browser, so there is no software to download.

Log in and the Castr dashboard loads with every product in the left sidebar.

Voici à quoi cela ressemble :

✓ Point de contrôle: You should see the main dashboard and your plan name.

Step 3: Create Your First Stream

Click Create, then pick New Live Stream from the menu.

Give it a stream name you will recognise later.

Then pick the hosting region closest to your current location.

Streaming from Brazil or Argentina? Choose South America for the lowest delay.

Getting this wrong adds a second or two of delay for every viewer.

If you have no encoder yet, you can live stream directly from your browser webcam.

That is enough to confirm the account works before you build a real setup.

Comment utiliser Castr MultiStream

Multiflux lets you send one live video to over 30 platforms at once.

That means YouTube, Facebook, Twitch, and LinkedIn all get the same broadcast.

Voici comment l'utiliser étape par étape.

Step 1: Add Your Publish Destinations

Open your stream, then click Add Platform under publish destinations.

Connect YouTube and Facebook by signing in with those accounts.

Each destination can carry its own title and description.

Twitch, LinkedIn, and other platforms connect the same way in a few clicks.

Step 2: Connect Your Encoder

Copy the RTMP URL and stream key from the stream dashboard.

Paste both into Open Broadcaster Software under Settings, then Stream.

Voici à quoi cela ressemble :

✓ Point de contrôle: All destination toggles should turn green.

Étape 3 : Passage en direct

Hit Start Streaming in your encoder and watch the preview window fill in.

Castr pushes your feed to every enabled destination within a few seconds.

Leave the dashboard open and watch each platform report a healthy connection.

Comment utiliser la monétisation vidéo Castr

Monétisation vidéo lets you charge viewers for access to a stream or library.

Voici comment l'utiliser étape par étape.

Step 1: Turn On Paywall

Open the Monetization tab and switch the paywall on for a chosen video.

This works for both live sessions and anything already sitting in your library.

Step 2: Set Your Price and Access Rules

Pick a one-off ticket price or a recurring subscription plan.

Add password protection if you also want a private guest list.

Voici à quoi cela ressemble :

✓ Point de contrôle: A payment screen should appear on your test link.

Step 3: Share the Paid Link

Send the checkout link by email or post it on social media.

Buyers get instant access, and Castr handles the payment side for you.

Comment utiliser Castr Transcoder

Transcodeur turns one incoming feed into several quality levels automatically.

Viewers on slow connections then get a lower rung instead of a frozen player.

Voici comment l'utiliser étape par étape.

Step 1: Enable Transcoding

Open your live stream settings and switch Transcoding on.

The toggle sits under the same panel as your ingest and security options.

Step 2: Pick Your Output Ladder

Choose which renditions to publish, such as 1080p, 720p, and 480p.

Match your stream’s resolution to your real internet upload speed.

Voici à quoi cela ressemble :

✓ Point de contrôle: The preview player should offer a quality selector.

Step 3: Test Before Going Live

Run a short private broadcast and switch renditions manually to confirm each one works.

Five minutes of testing here saves an hour of complaints later.

Comment utiliser Castr Cloud TV Playout

Diffusion de télévision dans le cloud lets you schedule pre-recorded videos as if they were live.

Voici comment l'utiliser étape par étape.

Étape 1 : Téléchargez vos fichiers

Open Playout and upload the clips you want to run.

Longer files work best, since constant switching draws attention to the loop.

Step 2: Build the Playlist

Drag your pre-recorded videos into playing order on the timeline.

Set a premiere time, or loop the playlist 24/7 on a regular schedule.

Voici à quoi cela ressemble :

✓ Point de contrôle: The timeline should show a filled 24-hour bar.

Step 3: Point It at a Destination

Attach the playout channel to any live stream and let it run unattended.

Swap clips whenever you like without ever stopping the channel.

Comment utiliser le serveur de transcodage vidéo en direct Castr Cloud

Serveur de transcodage vidéo en direct dans le cloud moves heavy encoding work off your own machine.

Your laptop sends one clean feed and Castr’s servers do the rest.

Voici comment l'utiliser étape par étape.

Step 1: Choose Your Ingest Point

Create a new stream and pick the ingest server nearest to you.

Distance matters more than raw bandwidth for connection stability.

Step 2: Send a Single High-Quality Feed

Configure your encoder for one strong output instead of several.

Castr accepts RTMP, SRT, and MPEG TS streams from broadcast hardware and other sources.

Voici à quoi cela ressemble :

✓ Point de contrôle: Stream health should read stable with no dropped frames.

Step 3: Monitor Bitrate

Watch the health graph for bitrate dips during your first ten minutes.

Steady numbers mean your setup will hold for a two-hour session.

Comment utiliser Castr Video Hosting

Hébergement vidéo gives you ad-free cloud storage plus a player for your own website.

Voici comment l'utiliser étape par étape.

Step 1: Upload and Organise

Open the Video Hosting tab and create folders before you upload anything.

A folder per series keeps a growing library searchable six months from now.

Step 2: Grab the Embed Code

Open any file and copy the embed code or the plain embed URL.

Paste the iframe into your page and the player inherits your branding.

Voici à quoi cela ressemble :

✓ Point de contrôle: The player should load on your page without ads.

Étape 3 : Suivi des performances

Connect Google Analytics to see which videos hold attention longest.

Drop-off points tell you exactly where your edits run too long.

Comment utiliser le streaming de la caméra IP Castr

Diffusion en continu par caméra IP sends a security or PTZ camera feed straight online.

No computer sits in the middle, which suits churches, sites, and wildlife feeds.

Voici comment l'utiliser étape par étape.

Step 1: Find Your Camera Settings

Open your camera admin panel and locate its RTMP or RTSP output fields.

Most modern cameras hide this under a menu called Network or Streaming.

Step 2: Paste the Castr Credentials

Copy the stream URL and key from Castr into the camera.

Voici à quoi cela ressemble :

✓ Point de contrôle: The Castr preview should show your camera within thirty seconds.

Step 3: Lock It Down

Add domain whitelisting and geo country whitelisting so the feed only plays where you allow.

Comment utiliser la plateforme OTT en marque blanche Castr

Plateforme OTT en marque blanche lets you launch a branded streaming service of your own.

Voici comment l'utiliser étape par étape.

Step 1: Set Up Your Portal

Add your logo, colours, and custom domain in the OTT settings.

Step 2: Build the Catalogue

Group your live channels and recorded library into browsable collections.

Collections behave like rows on a familiar streaming service homepage.

Voici à quoi cela ressemble :

✓ Point de contrôle: Your portal should load on your domain with your branding.

Step 3: Open the Doors

Publish the portal and invite viewers to create accounts.

Every sign-up becomes an email address you actually control.

Conseils et astuces Castr Pro

After eight months of testing, here are the shortcuts I actually use.

Raccourcis clavier

Fonctionnalités cachées que la plupart des gens ignorent

• Restream to a backup: Add a second Castr stream as a destination so one failure never kills the broadcast.
• Per-platform titles: Write different titles for YouTube and Facebook inside the same session for better search reach.
• Recording toggle: Switch on cloud recording before you go live and your stream saves itself to cloud storage.

Erreurs courantes à éviter

Mistake #1: Guessing Your Bitrate

Mistake #2: Skipping the Test Stream

Mistake #3: Treating Audio as an Afterthought

Dépannage de Castr

Problem: Stream Keeps Buffering

Cause: Your bitrate is higher than your connection can carry.

Réparer: Drop the bitrate, lower the frame rate to 30, and switch to Ethernet.

Test your internet speed at the time of day you normally broadcast.

Problem: One Platform Will Not Connect

Cause: The channel token expired or that account lost its live permission.

Réparer: Remove the destination, reconnect it, and check the platform allows streaming on your account.

New YouTube channels wait 24 hours before mobile streaming unlocks.

Problem: Encoder Rejects the Stream Key

Cause: The RTMP URL and key were copied with a trailing space.

Réparer: Paste both fields again carefully, then restart Open Broadcaster Software before retrying.

Regenerate the key from the dashboard if the error survives a restart.

📌 Note: If none of these fix your issue, contact Castr support.

Qu'est-ce que Castr ?

Castr is live streaming software that pushes one broadcast to many platforms at once.

Think of it as a power strip for your livestream.

Castr works as a hosted streaming platform, so nothing installs on your computer.

Castr helps small teams save time by removing the need for separate tools.

Regardez ce bref aperçu :

Castr’s products cover live video, hosting, and branded delivery.

• MultiStream : Broadcast to over 30 destinations from one encoder feed
• Monétisation vidéo : Charge for access with tickets or subscriptions
• Transcodeur : Deliver several quality levels to match viewer connections
• Diffusion de télévision dans le cloud : Schedule pre-recorded content as a rolling channel
• Cloud Live Video Transcoding Server: Offload encoding to Castr’s servers
• Hébergement vidéo : Ad-free storage plus an embeddable player
• Diffusion en continu depuis une caméra IP : Publish camera feeds without a computer
• Plateforme OTT en marque blanche : Run a branded portal on your own domain

The interface is genuinely user friendly, which is rare in this category.

Pour une analyse complète, consultez notre Avis sur Castr.

Tarification des roulettes

Voici le coût de Castr en 2026 :

Essai gratuit : Yes — 7 days with every feature unlocked, including multistreaming.

Garantie de remboursement : Yes — Castr offers a 30-day refund window on paid plans.

Plans differ mainly on bandwidth, storage, and how many destinations run at once.

Annual billing knocks a meaningful amount off every tier.

💰 Meilleur rapport qualité-prix : Standard — enough bandwidth for weekly shows without paying for playout.

Castr contre les alternatives

Comment Castr se compare-t-il ? Voici le contexte concurrentiel :

The right platform depends on whether you mostly record or mostly broadcast.

Sélection rapide :

• Meilleur résultat global : Castr — the widest feature spread for the lowest entry price
• Meilleur budget : Castr Starter — under $13 a month with real multistreaming
• Idéal pour les débutants : StreamYard — nothing to install and a gentle learning curve
• Idéal pour le podcasting : Riverside — local recording keeps guest quality high

🎯 Alternatives à Castr

Vous cherchez des alternatives à Castr ? Voici les meilleures options :

• 🚀 Podcast : Strong AI audio cleanup and transcription, better suited to podcast production than broadcasting live to social media.
• 💰 Riverside : Records each guest locally in high quality, so a weak internet connection never ruins the final file.
• 🎨 Rediffusion : The closest direct rival, with a similar destination list and a slightly more polished browser studio.
• ⚡ Streamlabs : Built for gamers, with overlays, alerts, and tight Twitch integration baked into the streaming software.
• 🔒 StreamYard : Runs entirely in the browser and makes guest invites painless for interview-style shows.
• 🧠 Zencastr : Remote-first recording with separate tracks per guest, ideal for rédacteurs qui veulent un contrôle total.
• 🏢 Ecamm : A Mac-only production suite offering camera switching and graphics that rival hardware desks.

Pour la liste complète, consultez notre Alternatives à Castr guide.

⚔️ Comparaison des castres

Voici comment Castr se compare à chacun de ses concurrents :

• Castr contre Podcastle : Castr wins on live delivery and multiple destinations; Podcastle wins on polishing recorded audio afterwards.
• Castr contre Riverside : Riverside captures better raw footage, but Castr reaches a wider audience the moment you go live.
• Castr vs Restream : Very close race; Castr adds video hosting and OTT, while Restream has a friendlier studio.
• Castr contre Streamlabs : Streamlabs suits gamers chasing alerts and overlays; Castr suits businesses that need reliability and security.
• Castr contre StreamYard : StreamYard is easier on day one; Castr costs less and scales further as you grow.
• Castr contre Zencastr : Zencastr is a podcast recorder first; Castr is a video streaming platform first.
• Castr contre Ecamm : Ecamm gives finer production control on Mac; Castr works on any operating system in a browser.

Commencez à utiliser Castr dès maintenant

Vous avez appris à utiliser toutes les principales fonctionnalités de Castr :

• ✅ Multistream
• ✅ Monétisation vidéo
• ✅ Transcodeur
• ✅ Diffusion de télévision dans le cloud
• ✅ Serveur de transcodage vidéo en direct dans le cloud
• ✅ Hébergement vidéo
• ✅ Diffusion en continu par caméra IP
• ✅ Plateforme OTT en marque blanche

Étape suivante : Choisissez une fonctionnalité et essayez-la dès maintenant.

Most people start with MultiStream, for example a simple test to YouTube.

Cela prend moins de cinq minutes.

Foire aux questions

Comment fonctionne Castr ?

You connect an encoder to Castr with an RTMP URL and stream key. Castr then copies that single live stream out to every destination you enabled.

Comment connecter YouTube à Castr ?

Open your stream, click Add Platform, choose YouTube, and sign in. Castr requests broadcast permission, then pushes your live video to that channel automatically.

Castr est-il facile à utiliser ?

Yes. The dashboard is user friendly and browser based, so most people finish their first stream within ten minutes of signing up.

How much does castr cost?

Castr plans start at $12.5/month for Starter and rise to $250/month for Ultra. A 7-day free trial unlocks every feature first.

Quelles plateformes Castr prend-il en charge ?

Castr streams to more than 30 platforms, including YouTube, Facebook, Twitch, LinkedIn, and any custom RTMP destination such as your own website.