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You can save a recent clip with OBS Replay Buffer while your YouTube stream continues: enable the buffer in Settings → Output, assign it separate controls from stream start and stop, start it before you need a clip, and use Save Replay while live. This saves the clip locally; it does not stop the broadcast by design. It cannot guarantee zero dropped frames on every computer, so test the setup before using it on a public stream.
First, separate the three meanings of “loop stream”
A YouTube loop stream can mean a broadcast that repeatedly plays a video, or simply a stream that remains live while you capture clips. OBS Replay Buffer is a third, separate function: it keeps recent output available to save as a local replay. YouTube DVR is different again—it lets viewers pause and rewind a live stream, but does not save a clip to your computer.
- Media Source → Loop: repeats a media file in your OBS scene after playback ends. It does not keep the YouTube broadcast live by itself.
- Replay Buffer: captures recent OBS output and saves it locally when you choose Save Replay.
- YouTube DVR: gives viewers pause-and-rewind controls for a live stream; it is not OBS Replay Buffer.
These functions can be used together, but none guarantees that a stream will run indefinitely. OBS describes Replay Buffer and its controls in its OBS Studio overview; YouTube explains live DVR in its live DVR help.
Configure Replay Buffer without tying it to stream controls
- Choose the buffer and its resource limits. Open Settings → Output, enable Replay Buffer, then set Maximum Replay Time and, where available, Maximum Memory. Choose a duration long enough to catch the moment you want, but do not assume any duration is safe on every computer. More retained footage means more buffered data.
- Set a destination for the clip. In OBS’s recording settings, choose a recording path and a filename convention that will make saved replays easy to find. The clip is written locally, not stored as a separate YouTube DVR clip.
- Assign distinct hotkeys. Open Settings → Hotkeys and assign separate, memorable keys for Start Replay Buffer, Stop Replay Buffer, and Save Replay. Keep these distinct from Start Streaming and Stop Streaming keys. If your installed OBS version offers an option to start the buffer automatically when streaming begins, verify that it exists and behaves as expected before relying on it; the OBS instant-replay guidance describing this workflow is older.
- Start the buffer before the moment you want to capture. Start Replay Buffer independently of the stream, or use a verified automatic-start option. The buffer cannot save footage from before it was running.
- Go live and save only the replay. Start the YouTube stream as usual and confirm the live preview or status. When the moment occurs, press your Save Replay hotkey or use the corresponding OBS control. Do not choose Stop Streaming unless you actually intend to end the broadcast.
- Verify both outputs. Find the replay in the chosen folder and check OBS’s performance indicators while the stream continues. Test privately or locally before relying on the workflow for a public broadcast. OBS’s setup guide recommends testing stream smoothness and scene configuration before going live: OBS Quick Start Guide.
Choose a replay duration and recording mode cautiously
There is no universally safe Replay Buffer duration or hardware configuration established for every OBS setup. The right choice depends on how far back you need to capture, available memory and encoder capacity, whether the recording uses stream settings or a separate recording configuration, and how you plan to edit the clip.
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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.
In Advanced output mode, OBS offers separate stream and recording options. Choosing non-identical recording settings can add resource demand, so a long buffer plus additional recording work may affect performance. Start with the shortest duration that covers your use, then test at your actual stream settings. OBS discusses output choices in its streaming and recording guide; exact labels may differ by installed version.
Troubleshoot a replay that is missing or interrupts the stream
- Nothing was saved: confirm Replay Buffer was running before the target moment, that you used Save Replay rather than a stream control, and that the recording path points to a folder you can access. Check that a filename is being created there.
- The stream stopped: review your hotkey assignments and ensure Save Replay is not bound to Stop Streaming. Use separate keys for buffer and stream controls.
- The stream stutters or drops frames after enabling the buffer: added output work and resource limits can matter. Reduce the maximum replay time, avoid unnecessary separate recording work, and test again while monitoring OBS performance indicators.
- The video file ends, but YouTube goes offline: a Media Source’s Loop property only repeats that file in the scene. Check that the broadcast itself remains active; source looping is not a promise of continuous YouTube output.
- Viewers cannot rewind: Replay Buffer saves a local file and does not control YouTube DVR. Check YouTube’s live DVR behavior separately.
Or let it run in the cloud
If your goal is to keep a prerecorded YouTube loop live without leaving a computer running at home, StreamNeo runs the uploaded video from the cloud. Upload the recording or build a playlist, add your YouTube stream key, and go live. Nothing has to stay on at home; video streams as uploaded up to 4K 60fps at one flat price per slot, with automatic recovery if YouTube drops the stream. The first day is free with no card. Monthly service is $9.99 per month. This is for uploaded videos on YouTube, not a camera feed. Start your free first day with StreamNeo.
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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