A 10-bit video file can be sent to YouTube Live from OBS by adding it as a Media Source and configuring the outgoing stream for 4K at 60 fps. But 10-bit describes the source’s colour precision, not necessarily HDR: an HDR live output also needs compatible colour signalling and encoding.
First choose whether you want an SDR broadcast or an HDR one. YouTube publishes different 4K/60 bitrate recommendations by codec, and its HDR instructions specify HEVC with particular profile and colour settings. Use those requirements as a configuration guide, then test the same file, encoder and network path you intend to use; documentation alone cannot verify that a particular computer or file will work.
Check what “10-bit” means for your file and goal
A file’s bit depth tells you how many code values are available to represent each colour channel. Ten-bit video can represent finer gradations than eight-bit video, which may help with smooth skies, gradients or colour correction. It does not, by itself, tell you whether the content is HDR, what transfer function it uses, or how an encoder should signal it.
Check the file’s actual properties before setting OBS. Identify its resolution and frame rate, whether it is SDR or HDR, and, if it is HDR, which format it uses, such as PQ or HLG. Use a trusted media-information tool or the production notes for the file. If the file’s origin is unclear, do not infer HDR just from “10-bit” in a filename or codec description.
Your goal matters. If you want a straightforward live relay and SDR is acceptable, a 10-bit source does not force you to make the broadcast HDR. You can configure an SDR output, but should check how OBS and the selected encoder handle the source’s colour. If preserving HDR is the goal, you need a compatible HDR source and an encoder path that can send the corresponding signal and metadata to YouTube.
YouTube’s live encoder settings cover resolution, frame rate, bitrate and keyframes. Its separate HDR live streaming guidance explains the additional HDR requirements. Keep both open while planning: the general ingest settings and the HDR-specific path answer different questions.
For a long-running or repeated programme, also think about the file itself: whether it contains audio, how it should end or loop, and whether the computer can decode it smoothly. A file container being listed as supported does not certify that every profile, colour format or HDR variant inside it is compatible.
Add the local video as an OBS Media Source
In OBS Studio, create or select a scene, add a Media Source, and browse to the local video file. OBS documents local playback and support for containers including MP4, TS, MOV and MKV. Container support is a useful starting point, not a guarantee that every codec or colour profile will behave identically.
Choose whether the clip should loop. Enable looping when the live scene should repeat continuously; leave it off if you want a single playback. Options such as restarting playback when the source becomes active affect how the clip behaves when you switch scenes, so choose them to match the programme rather than enabling every checkbox by habit. OBS’s Media Sources guide describes these controls and hardware decoding options.
If you use hardware decoding, compare playback with and without it during a test. It can reduce some decoding work on the computer, but actual behaviour depends on the file and device. Watch for dropped frames, stuttering, missing audio or a picture that appears wrong. If playback fails, first test a short representative section of the source and check its codec and profile; do not conclude that YouTube has rejected it when the problem may be local decoding.
For a loop, inspect the join between the end and start. A visible black frame, abrupt audio cut or pause may be present in the source or playback behaviour. Fixing the edit is often better than trying to hide a discontinuity with encoder settings.
Set the scene’s canvas and output resolution deliberately. If the source is 3840 × 2160 and the system can decode and encode it reliably, match the output to 3840 × 2160. If the source has a different size, decide whether OBS should scale it and check the result at full size. Upscaling a smaller file does not add detail, and a 4K output setting alone cannot make source footage true 4K.
Choose SDR or plan for an HDR output
SDR is the simpler option when HDR delivery is not necessary. A 10-bit source may still be SDR, and an HDR source may be intentionally converted for an SDR programme. In either case, confirm that the outgoing colour settings match the intended output and examine the picture on an ordinary SDR display.
Choose HDR only when the source and complete path support it. YouTube’s HDR guidance calls for HEVC, and its OBS workflow specifies a hardware HEVC encoder, Main 10 profile, P010 pixel format, and Rec. 2100 PQ or HLG colour space. YouTube recommends HLG in that workflow. This is more than choosing a 10-bit encoder profile: colour primaries, transfer characteristics and matrix signalling must also describe the actual picture.
Do not turn on HDR merely because a file is labelled 10-bit. Nor should you select PQ or HLG by guesswork to make an SDR picture appear more vivid. Incorrect signalling can lead to a washed-out, over-bright or otherwise misleading picture. If the source’s HDR format and metadata cannot be established, use a verified SDR workflow or resolve the source details before scheduling a broadcast.
HDR also changes what you need to test. A compatible encoder and a stream that YouTube accepts do not guarantee that every viewer’s screen displays HDR. Check the result on an HDR-capable playback device as well as an SDR device, and compare the image with the source. Viewers on other devices may receive a different rendition because YouTube transcodes live streams into multiple formats.
For a practical contrast, the 720p/60 OBS settings guide covers a lower-resolution workflow, while this 4K path asks more of both the encoder and upload connection. Match the output to the real programme and available equipment rather than treating the highest setting as automatically best.
Set compatible HDR colour signalling and HEVC options
If HDR is the intended output, follow YouTube’s current HDR instructions for the encoder and protocol you select. In the documented OBS path, the key choices include hardware HEVC, Main 10, P010 (4:2:0), and Rec. 2100 PQ or HLG. The exact options you see depend on OBS, the operating system, the encoder and the graphics hardware. YouTube notes that encoding depends on formats supported by the device, so do not assume that every system exposes HEVC Main 10.
The chosen transfer setting must agree with the source. PQ and HLG are not interchangeable labels for “HDR”; each describes a different transfer function. Likewise, the signal’s colour primaries and matrix characteristics need to remain consistent with the content. Where the source is authored in a particular HDR format, preserve or correctly transform that format through OBS. If you cannot confirm the settings, avoid presenting a guessed configuration as verified.
YouTube documents HDR setup over RTMP(S) and HLS. Use the protocol and stream key configuration that your encoder supports and that the current Live Control Room presents for the event. HLS is not universally required for HDR. It does have extra constraints in YouTube’s guidance, including TS segments, short segment durations, a rolling playlist and HTTPS transport; follow the current page if using that route rather than assuming a generic HLS configuration is sufficient.
This is one place where a simpler SDR output may be the more reliable choice for a small channel. HDR adds choices that are easy to mis-set and can make diagnosis harder when the computer has not already been tested. If HDR is part of the programme’s purpose, keep a written record of the working OBS colour and encoder settings, then repeat the same test after updates or changes to the source.
For other file-based workflows, the blog’s GOP length guide for FFmpeg explains why keyframe timing matters. It is useful context, but do not substitute FFmpeg guidance for the specific OBS and HDR settings required by your chosen path.
Configure YouTube Live encoder settings
Create or schedule the live event in YouTube Live Control Room, then enter its current stream URL and key in OBS. Treat the stream key like an account credential: do not include it in screenshots, public notes or a shared scene collection. YouTube’s encoder setup instructions cover connecting an encoder to a live event.
Set the outgoing resolution to 3840 × 2160 and frame rate to 60 fps if those match the source and your system can sustain them. For bitrate, use the recommendation for the codec actually sent to YouTube. As listed on YouTube’s live encoder settings page in October 2026, the 4K/2160p at 60 fps recommendations are 35 Mbps for AV1/H.265 and 50 Mbps for H.264; the listed minimums are 10 Mbps and 14 Mbps respectively. These are ingest recommendations, not a promise about what every viewer will receive after YouTube transcodes the stream.
| 4K/2160p at 60 fps ingest codec | YouTube-listed minimum | YouTube-listed recommended bitrate |
|---|---|---|
| AV1 or H.265 (HEVC) | 10 Mbps | 35 Mbps |
| H.264 | 14 Mbps | 50 Mbps |
Use the matching row, not whichever number is lower. For an HDR stream, YouTube specifies HEVC in its HDR guidance, so use the HEVC-specific 4K/60 figures where they apply. If your encoder cannot provide the required HDR HEVC settings, the 10-bit source alone will not fill that gap; consider SDR or a compatible encoder path instead.
YouTube recommends constant bitrate (CBR), a two-second keyframe interval, and no more than four seconds between keyframes. Configure those values in OBS’s output settings, checking that you are editing the live encoder rather than a recording profile. YouTube lists frame rates up to 60 fps. When your source is genuinely 60 fps, use a matching output frame rate if the encoder and connection can keep up.
Compare the available bandwidth with the selected bitrate before you go live. YouTube recommends 20% upload headroom in its live streaming tips. That margin is intended to leave room above the configured stream rate; it does not protect you from an unstable connection or competing traffic. The prerecorded stream bitrate guide gives further context on choosing an ingest setting for file playback.
Test playback, colour, and stream health
Run a private or unlisted test using the same file, scene, resolution, frame rate, bitrate, encoder and audio path planned for the event. YouTube recommends testing with representative sound and movement and checking stream health messages. A short test can expose an incorrect key, an unsupported encoder setting or obvious playback trouble, but a system that has not been tested for the full intended run has not been verified for that run.
Watch OBS’s status indicators and the YouTube Live Control Room’s stream health. Look for dropped frames, encoding lag, network instability, audio gaps and warnings. A clean local preview is not enough: YouTube’s ingest and viewer-side playback are separate parts of the path. Leave the test running long enough to check the loop transition and listen for sound at both the beginning and end of the clip.
For HDR, assess the live playback on an HDR-capable display and inspect the SDR rendition too. Check brightness, shadow detail, colour and whether the picture looks consistent with the source. If it looks wrong, stop and review the file’s actual HDR format, OBS colour space, pixel format, profile and encoder capability rather than changing several settings at once.
If your goal is a recurring unattended channel, consider what would happen after a computer restart, an OBS crash or a network interruption. A local OBS setup depends on the computer and connection staying available, and someone may need to intervene when playback or encoding stops. If that burden is the specific problem, StreamNeo removes the need to leave your own computer on: you upload the video and provide the YouTube stream key, then the broadcast runs without installing software locally. It is YouTube-only, and it does not establish whether your file or HDR settings are correct, so test the media and intended output first.
Once the test is clean, keep a note of the working settings and the file version used. Re-test when you replace the source, change encoder hardware, update OBS, alter the network route or switch between SDR and HDR. A saved profile makes repetition easier, but it does not remove the need to confirm the actual output.
Before committing, compare the operating options on the pricing page. When the file and channel are ready, start free — 24-hour trial, no card.
FAQ
Can I stream a 10-bit video file as YouTube Live?
Yes. Add the local file as an OBS Media Source and send the scene to the live event, provided the file and encoder work with your system. Ten-bit depth alone does not mean the output will be HDR.
Does a 10-bit file automatically produce HDR on YouTube?
No. HDR requires compatible colour signalling and encoding as well as suitable source content. YouTube’s documented HDR path specifies HEVC and particular profile, pixel-format and colour-space settings.
What bitrate should I use for 4K 60fps?
Use the figure associated with the codec sent to YouTube. As listed on YouTube’s settings page in October 2026, its recommended 4K/60 bitrate is 35 Mbps for AV1/H.265 and 50 Mbps for H.264; these are ingest recommendations, not guarantees about viewer playback quality.
Is HLS required for HDR live streaming?
YouTube documents HDR setup paths for both RTMP(S) and HLS. HLS has additional segment, playlist and transport requirements, so follow the current instructions for the protocol your encoder supports rather than assuming one path fits every setup.