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To stream a prepared playlist at 4K and 60 fps, use OBS Studio’s VLC Video source to play the files, select a compatible NVIDIA NVENC streaming encoder, and send the feed to YouTube Live with the bitrate and keyframe settings that match your codec. YouTube recommends 50 Mbps for H.264 or 35 Mbps for AV1 or H.265/HEVC at 2160p60. Those are YouTube ingest recommendations—not a guarantee that your files, computer, or internet connection can sustain 4K60.
Before you start: check YouTube access and your system
Enable live streaming in advance
Your YouTube channel must be verified and must not have live-streaming restrictions in the previous 90 days. First-time live-streaming enablement can take up to 24 hours, so do not leave it until the broadcast is about to begin. See YouTube’s live-streaming tips and instructions for creating a stream with an encoder.
Confirm that your NVIDIA GPU supports NVENC
NVENC is NVIDIA’s hardware video encoder. OBS documents NVENC support on Windows and Linux for compatible GeForce GPU generations, but compatibility does not establish that a particular computer can decode every source file, compose the scene, scale to 4K, and encode at 60 fps without dropped frames or overload. Check OBS’s hardware-encoding guidance for compatibility, and test your complete setup rather than relying on the encoder name alone.
Install VLC if OBS does not show the playlist source
OBS’s VLC Video source depends on VLC being installed. Match architectures: 64-bit OBS requires 64-bit VLC. The source supports playlists, while OBS’s standard Media Source is intended for an individual file. See OBS’s media sources documentation.
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Create the YouTube Live event and protect its key
- Open YouTube Studio’s Live Control Room and create or schedule a live stream. Choose the event visibility and schedule that fit your test or broadcast.
- Get the stream URL and stream key from the event’s stream settings. YouTube uses these details to route and accept the encoder feed. Treat the key like a password: anyone with access to it may be able to send a feed to your event. The YouTube live stream settings guide explains stream keys and related settings.
- Keep the Live Control Room open for the preview and stream-health status. Do not start the public event until you have checked the incoming picture and sound.
Build and loop the playlist in OBS
- Create a scene for the broadcast in OBS. Give it a descriptive name if you use multiple scenes.
- Add a VLC Video source: in the Sources box, select +, choose VLC Video, and create or select a source.
- Add the files in playback order to the playlist in the source’s properties. Use files stored locally on the streaming computer, and check that each one plays correctly.
- Leave Shuffle Playlist off if order matters. Turn on Loop Playlist if the sequence should restart after its last item. VLC Video supports playlists; the ordinary Media Source’s loop behavior applies to an individual file.
- Check the whole sequence before going live. Verify orientation, dimensions, frame rate, picture, audio level, and what happens at file boundaries and when the playlist reaches its end. Playback depends on the files, installed codecs, and local setup; do not assume transitions or looping will be seamless without testing.
Use only video and audio you own or are licensed or otherwise permitted to broadcast. Permission to play a file locally does not necessarily include permission to retransmit it or monetize it. Check the current YouTube policies that apply to your content and channel.
Set OBS video and NVENC streaming output for 4K60
Set the canvas, output resolution, and frame rate
Open Settings > Video. Set the base (canvas) resolution and output (scaled) resolution to 3840×2160, and set the common FPS value to 60, if your system can sustain those settings. A 4K60 output is only useful if the source playback, scene composition, scaling, encoding, and upload all keep up. If they do not, reduce the output resolution or frame rate and retest.
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Select NVENC and match bitrate to the codec
In Settings > Output, use Advanced output mode if needed to expose streaming encoder options, then select the NVIDIA NVENC streaming encoder and a codec supported by your hardware and OBS setup. The available codecs vary with GPU, software version, protocol, and configuration. YouTube’s current published 2160p60 ingest figures are:
| Ingest codec | YouTube minimum | YouTube recommended bitrate |
|---|---|---|
| AV1 or H.265/HEVC | 10 Mbps | 35 Mbps |
| H.264 | 14 Mbps | 50 Mbps |
These are YouTube’s published specifications for 4K/2160p at 60 fps, not measurements of your source or computer. Set the bitrate for the codec you actually select; do not apply the H.264 figure to AV1 or HEVC. The figures are in YouTube’s live encoder settings, bitrates, and resolutions guidance (accessed October 3, 2026).
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Use constant bitrate and a two-second keyframe interval
Set rate control to CBR and the keyframe interval to 2 seconds; YouTube says not to exceed 4 seconds. YouTube recommends RTMPS, so use it when available in the stream service settings. Its encoder guidance also lists frame rates up to 60 fps and recommends Rec. 709 with 8-bit color for SDR.
Keep the standard walkthrough on SDR. HDR needs a separate compatible setup: YouTube’s HDR instructions call for HEVC, and its OBS HDR flow specifies a hardware HEVC encoder and Main 10 profile. Consult YouTube’s HDR streaming instructions before changing color format or profile.
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Do not confuse recording presets with streaming requirements
OBS’s advanced NVENC controls include options documented for OBS 31.0, such as Variable Bitrate with Target Quality and Ultra High Quality tuning. Availability depends on codec and GPU generation, and these controls are not required for the CBR setup above. See OBS’s advanced NVENC options documentation; do not copy recording-oriented settings into a live stream without understanding their effect.
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- Open OBS stream settings and choose the YouTube service or a custom RTMPS server, as appropriate for the options available in your OBS version.
- Enter the YouTube stream URL and key from the Live Control Room. Check them carefully and do not share screenshots or logs that expose the key.
- Start with a private or unlisted test event when appropriate. Start the playlist at the intended point and confirm moving video, audio, file changes, and looping.
- Check the Live Control Room preview and stream health before making the event public or announcing it. YouTube recommends a test that includes audio and movement similar to the planned broadcast, and advises monitoring audio and video quality throughout.
- Check the result on the watch page and, if relevant, on a mobile device. Confirm that the viewer-facing stream has the expected picture and sound.
- Stop the encoder after the test and confirm YouTube reports that the event has stopped before preparing the final event.
Your upload connection must sustain the selected video bitrate as well as audio and ordinary network variation. Run a speed test and assess stability; YouTube’s cited guidance does not establish one universal headroom multiplier. For 4K, some latency is normal: YouTube says its low-latency improvement option is unavailable at that resolution. HLS may suit certain codec or HDR workflows, but it has higher latency than continuous RTMP because it sends segments; see YouTube’s HLS setup guidance.
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Troubleshoot common 4K60 playlist problems
| Symptom | Likely cause | What to check or change |
|---|---|---|
| VLC Video is missing from the Sources menu | VLC is not installed, or its architecture does not match OBS. | Install VLC and match 64-bit VLC to 64-bit OBS, then reopen OBS. |
| YouTube receives no feed | The event is not ready, or the URL/key is incorrect or belongs to another event. | Check the Live Control Room event, copy its current stream URL and key into OBS, and keep the key private. |
| Video or audio is absent from the preview | The playlist source may not be playing, or a file or audio configuration may be incompatible. | Test each file in the VLC Video source, check source visibility and audio meters in OBS, then verify the preview again. |
| Playback stops after the final file | Loop Playlist is off. | Enable Loop Playlist in the VLC Video source properties and test the end-to-start transition. |
| Stream drops frames or YouTube reports unstable health | The upload may not sustain the chosen bitrate, or the system may be overloaded. | Check stream health and OBS statistics. Reduce output resolution or frame rate, lower bitrate while staying within YouTube’s guidance for the selected resolution and codec, or simplify the scene. Test again before going public. |
| OBS reports encoder overload or output stutters | NVENC compatibility alone does not guarantee capacity for the complete workload. | Check GPU/system load and source playback, reduce output resolution or frame rate, and simplify scaling or scene composition. Retest the entire playlist. |
| Playback or transitions vary between files | Files differ in dimensions, orientation, frame rate, codecs, or audio levels, or local playback does not handle boundaries as expected. | Inspect and test each file and the full sequence locally before using the playlist for a live event. |
OBS’s documented hardware compatibility is not a performance benchmark. If you are considering buying a GPU, compare the exact card’s encoder support, source decoding needs, driver and software support, and your expected workload; the cited guidance does not establish that a particular model will sustain 4K60.
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