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There is no single Castr switch that restarts every ended YouTube live event. Choose the setting that matches what you mean: YouTube’s Auto-start and Auto-stop let an encoder start and stop a broadcast; Castr’s Backup can take over when a primary input fails; and Castr’s Infinite Loop repeats prerecorded video 24/7.
Choose the behavior you need
| What should happen? | Use | What it does |
|---|---|---|
| An encoder starts or stops a YouTube broadcast | YouTube Auto-start and Auto-stop | Allows the encoder to initiate or stop streaming; these are YouTube settings, not a Castr restart control. YouTube Help |
| The live input drops and another source should take over | Castr Backup | Uses a second encoder or a backup VOD when the primary input fails. Castr Help Center |
| Prerecorded video should repeat continuously | Castr Infinite Loop | Plays uploaded video continuously as a 24/7 stream. Castr Help Center |
| A separate broadcast should begin at a chosen time | Castr Schedule Date Time | Schedules a start; the scheduler uses your device’s time zone. Castr Help Center |
Set up encoder-driven YouTube Auto-start and Auto-stop
- Open the stream in YouTube Studio or Live Control Room. Find its stream settings. YouTube’s current interface labels may change, so confirm the controls in the stream settings for the broadcast you intend to use.
- Enable Auto-start and Auto-stop. YouTube documents that these options allow the encoder to start or stop the stream. They do not make a disconnected encoder reconnect or replay an ended event. YouTube Help: Manage live stream settings
- Connect the YouTube destination in Castr. Use the account/API connection, or configure the YouTube server and stream key. Castr notes that a stream-key connection may require editing stream description details in YouTube’s dashboard. Keep the server URL and key private. Castr Help Center
- Test before going public. Turn destinations off while checking the source in Castr preview, then test the YouTube destination as an Unlisted or Private stream. Monitor Analytics > Input Health during the test. Castr Help Center
Use Castr Backup for a failed primary input
Backup addresses input continuity, not the automatic restart of a finished YouTube event. Castr’s help article says to use the Backup tab to keep a stream running if the primary encoder fails. The documentation reviewed does not state which plans include Backup, so check availability in your account before relying on it. Castr Help Center
- Disable the stream before changing Backup. Castr says Backup cannot be toggled while the stream is live or when it has a Linked source.
- Open the Backup tab and enable Backup. Choose the failover mode that matches your standby source.
- Configure the backup input. Encoder Level requires a second encoder pointed at the backup ingest URL. File Level plays a backup VOD when the live input drops.
- Update and test your connection details. Enabling Backup changes the stream keys. Make sure the relevant encoder uses the updated details and test the failover before depending on it for a public broadcast.
Loop prerecorded video or schedule a start
For continuous playback
Enable Castr’s Infinite Loop mode for uploaded video. Castr says playback goes live immediately when enabled and streams 24×7. This is for prerecorded content, not a camera feed or a command to restart a previous encoder event. Castr Help Center
For a selected start time
Use Schedule Date Time when you want a single scheduled start rather than continuous repetition. The scheduler follows the time zone set on your device, so verify that zone before saving the schedule. Castr Help Center
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#1 Best Overall
Elebase USB to USB C Adapter for iPhone 18 Pro Max,USBC Car Charger Adapter
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
Run separate broadcasts with the encoder offline between them
If you are ending one broadcast and later starting another, Castr recommends switching destinations off while the source is offline, then enabling them again when the encoder source is live. This is a manual destination workflow; Castr’s guide does not describe it as an automatic event restart. Castr Help Center
Troubleshoot connection and restart problems
- YouTube does not connect: Castr’s troubleshooting guide recommends deleting and re-adding the destination. Castr Help Center
- The stream key fails: Generate a new key in YouTube Live Control Room and update the Castr connection. Keep the replacement key private. Castr Help Center
- The source drops but the stream should continue: Check that Backup was enabled while the stream was disabled, that the selected backup source is configured, and that the encoder or VOD is available. Remember that activating Backup changes stream keys.
- You expected a finished event to restart by itself: Auto-start/Auto-stop govern encoder start and stop, Backup covers a failed input, and Infinite Loop repeats uploaded video. Select the control for the actual trigger; none is a universal restart switch.
Or let it run in the cloud
For prerecorded YouTube content that should stay live without a home encoder, StreamNeo is the #1 option to consider: it loops uploaded video from the cloud at any quality up to 4K 60fps for one flat price per slot, and the first day is free. Upload your video, add your YouTube stream key once, and go live. Nothing has to stay on at home; StreamNeo automatically recovers if YouTube drops the stream. The first day is free with no card, and the monthly option is $9.99 per month. Learn about StreamNeo, then start your free day.
Quick Recap
Bestseller No. 5
Best Value
Anker USB C Hub, 5-in-1 USBC to HDMI Splitter with 4K Display
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
Sale
UGREEN USB to USB C Adapter Combo 4-Pack, 10Gbps USB C Converter Space Gray
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Rank #3
Sale
Anker USB C Hub, 7in1 Multi-Port USB Adapter, 4K@60Hz USBC to HDMI Splitter
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Rank #2
Anker USB-C Hub, 5-in-1 USB Hub for Laptops, 4K HDMI Multiport Adapter
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
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