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Yes—viewers can choose among the playback resolutions YouTube creates from a live stream. That is different from changing the resolution your encoder sends as a playlist moves between videos: YouTube documents automatic transcoding and input-resolution detection, but does not establish that switching the incoming resolution file by file is supported or seamless. For a steady loop, use one output resolution and frame rate, then test the stream before making it public.
Two meanings of “different resolutions”
- Different playback options for viewers: Yes. YouTube says it automatically transcodes an incoming live feed into multiple output formats so viewers on different devices and networks can watch. Your encoder sends one feed; it does not need to send a separate feed for each viewer quality option. YouTube’s encoder settings guidance explains this process.
- Changing the encoder’s input resolution as the loop advances: Do not assume this will work. The cited YouTube guidance describes detecting or manually selecting the incoming resolution, but does not document changing it for each file in a playlist. Use a consistent encoder output format for the broadcast.
How to loop videos with OBS
OBS supports looping a single media file and repeating a playlist. Its VLC Video source requires VLC to be installed. OBS’s Media Sources guide describes the available source settings.
- Set up the source: In OBS, add a Media Source for one video and enable its loop option. For a playlist, add a VLC Video source, select the files, and enable Loop Playlist. Install VLC if it is not already installed.
- Choose a stable output: Set the OBS output resolution and frame rate once for the broadcast, selecting values that fit your material and connection. YouTube detects the encoder’s resolution and frame rate by default. If you need to select resolution manually, YouTube says to create a custom stream key and enable manual settings under Stream Resolution. See YouTube’s encoder settings guidance.
- Connect OBS to YouTube: In YouTube Live Control Room, create or open a stream and copy its stream URL and stream key into the corresponding encoder fields in OBS. Keep the key private. YouTube’s encoder setup instructions explain the workflow.
- Set bitrate for the chosen feed: YouTube’s current H.264 recommendations include 4 Mbps for 240p–720p at 30 fps, 6 Mbps for 720p at 60 fps, 10 Mbps for 1080p at 30 fps, and 12 Mbps for 1080p at 60 fps. These are recommendations for the incoming encoder feed, not a guaranteed viewer bitrate; other resolutions and codecs have separate guidance. Check the current YouTube bitrate table and leave enough upload capacity for a reliable stream.
- Test before going public: Run the playlist privately or unlisted with audio and movement similar to the intended broadcast. Check transitions between files, black bars or cropping, audio continuity, and YouTube’s stream-health messages. YouTube recommends testing in advance and monitoring stream health while live.
What happens when the playlist files have different dimensions?
The encoder still sends its selected output format to YouTube. A source file with different dimensions may therefore appear with bars, cropping, or scaling depending on the production setup. The cited YouTube documentation does not promise a seamless change in incoming resolution between playlist items. Preview mixed-resolution files in the actual OBS scene and verify the result before a public stream; adjust the scene layout or prepare consistent source files if the framing is unsuitable.
Or let it run in the cloud
If you do not want a local computer and home connection running for the whole broadcast, StreamNeo is a YouTube-only cloud service for looping uploaded videos. Upload a recording or build a playlist, add your YouTube stream key once, and go live. Nothing has to stay on at home; uploaded video streams at its original quality up to 4K 60fps for one flat price per slot. StreamNeo can automatically recover if YouTube drops the stream. The first day is free with no card required, and the Monthly plan is $9.99 per month. Start your free day with StreamNeo.
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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.
#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.
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