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For one repeating classroom video, add an OBS Media Source and enable Loop. For a rotating set of videos, use VLC Video, create a playlist, and enable Loop Playlist. Those settings repeat playback; they do not guarantee that a computer, internet connection, OBS, or YouTube will stay online around the clock. Plan to test and monitor the stream, and arrange a way to recover if it stops.
Choose the OBS source that matches your classroom video
| Need | OBS source | Loop control | Dependency and visibility behavior |
|---|---|---|---|
| Repeat one local video | Media Source | Enable Loop in the source properties. | No VLC dependency. Other properties can restart playback when the source becomes active, show nothing after playback ends, or close the file while inactive. |
| Repeat a playlist of files | VLC Video | Enable Loop Playlist; optionally choose whether to shuffle. | VLC must be installed. OBS documents stop-when-hidden and restart-when-visible as the default visibility behavior. |
OBS lists local video formats including MP4, TS, MOV, FLV, MKV, AVI, GIF, and WebM, and audio formats including MP3, AAC, OGG, and WAV. See the OBS Media Sources guide for supported media and source properties.
Set up one looping video with Media Source
- In OBS, select the scene that should show the classroom video. In the Sources dock, click + and choose Media Source.
- Name the source, then choose whether to add it as a new source or reuse an existing one. Select OK.
- In the source properties, select the local video file. Enable Loop so playback begins again when the file reaches the end.
- Decide how the source should behave when it is not visible. Enable Restart playback when source becomes active if it should begin from the start whenever shown. Enable Show nothing when playback ends only if you want the source to become blank after it finishes. Enable Close file when inactive to unload the file while hidden; expect a short reload delay when the source is shown again.
- Click OK, then check the OBS preview and listen to the audio. Confirm the picture fits the scene and that the loop transition is suitable for the lesson.
For a stable, single-video scene, looping is the key setting. The other controls matter most when scenes change or the media source is hidden and shown again.
Set up a looping playlist with VLC Video
- Install VLC before configuring the source. If you use 64-bit OBS, OBS says to install 64-bit VLC; otherwise, VLC Video may not appear in the source list.
- In the intended scene’s Sources dock, click + and choose VLC Video. If it is missing, check that VLC is installed and that its 32-bit or 64-bit version matches the OBS requirement.
- Create the playlist in the source properties and add the video files in the order you want them played.
- Enable Loop Playlist. Choose whether to enable shuffle; leave it off if lesson order matters.
- Review the source’s visibility behavior. OBS documents stop-when-hidden and restart-when-visible as the default. If scene changes should not interrupt playback, plan the scene layout and source visibility accordingly.
- Confirm the playlist plays through and returns to the beginning as intended. Check audio levels and transitions before going live.
OBS explains scenes and sources in its Sources Guide. VLC Video is useful for a playlist; for a single file, Media Source avoids adding VLC as a dependency.
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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.
Connect OBS to YouTube Live
- Confirm the channel is eligible to livestream. YouTube’s current guidance says the channel must be verified, must not have had live-streaming restrictions in the prior 90 days, and the person livestreaming must be at least 16. YouTube can change these requirements; check its live-streaming eligibility guidance.
- In YouTube Live Control Room, create or select the live stream and find its stream URL and stream key. YouTube describes the stream key as password-like: do not share it publicly, and reset it if you believe it has been exposed.
- In OBS, open Settings > Stream, choose YouTube as the service, and enter or connect the stream details requested by OBS. Use the stream URL and key from Live Control Room. YouTube’s instructions are in Create a YouTube live stream with an encoder and Manage live stream settings.
- Start with a private or unlisted test when appropriate. Check the OBS preview and YouTube Live Control Room preview, confirm the event’s audience and visibility settings, and verify that both video and audio are reaching YouTube before relying on the setup for a classroom.
What a 24/7 stream requires beyond looping
Looping controls what OBS plays; it does not keep the stream running by itself. An around-the-clock broadcast also depends on the computer staying powered, OBS continuing to operate, the network maintaining service, YouTube receiving the encoder feed, and someone being able to respond if one of those pieces fails. A crash, power interruption, or connectivity problem can stop the live output even if the source is set to loop.
- Test the full path: run a supervised test before the classroom needs the stream. Check the stream in Live Control Room, not just the local OBS preview.
- Allow upload headroom: YouTube advises that available upload bandwidth exceed the stream’s bitrate. Avoid planning at the connection’s maximum sustained upload rate.
- Monitor sound and picture: confirm the media is still playing and that YouTube is receiving usable audio and video. A preview that worked at launch does not prove it will remain healthy for 24 hours.
- Make a recovery plan: decide who checks the stream and how they will restart OBS or reconnect the encoder if service is interrupted. YouTube notes that connectivity disruptions can break a stream; its streaming tips cover testing and network preparation.
Do not assume a 24-hour stream becomes one complete replay
YouTube’s encoder guidance states that streams under 12 hours are automatically archived. That statement does not establish that one uninterrupted 24/7 broadcast will produce a complete archive. If students need an on-demand replay, test the exact workflow and check YouTube’s current encoder guidance before depending on it.
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.)
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- 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.
Or let it run in the cloud
If you want the classroom video to keep streaming without leaving a computer on at home or school, StreamNeo runs an uploaded video or playlist from the cloud to YouTube. Upload the recording or build a playlist, add your YouTube stream key once, then go live. It is YouTube-only and plays uploaded videos rather than broadcasting a camera.
- Nothing has to stay on at home; the stream runs from the cloud.
- Your upload streams as made, up to 4K 60fps, at one price per slot rather than quality-based tiers.
- StreamNeo automatically recovers if YouTube drops the stream.
- The first day is free, with no card required.
The monthly option is $9.99 per month. Start your free StreamNeo day.
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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.
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- 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
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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
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- 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
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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.
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