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Use OBS Studio on your Mac mini to play a local video as a YouTube Live encoder feed: create a scene, add the file as a Media Source, connect OBS with the stream URL and key from YouTube Studio, then check the preview before you go live. Turn on the source’s Loop option if you want the video to repeat. This is a live broadcast of the video, not a normal YouTube upload.

Before you start

  • A YouTube channel enabled for live streaming: YouTube says first-time activation can take up to 24 hours. Set up or schedule the event in YouTube Studio’s Live Control Room, where you can choose its title, visibility, and other metadata. YouTube supports public, private, and unlisted streams. YouTube’s encoder setup guide
  • OBS Studio and a local video file: OBS’s Media Source can play common formats such as MP4 and MOV on macOS. The OBS product page currently lists macOS 13.0 or newer; check its current requirements before installing. OBS Media Sources
  • A stable upload connection: choose a resolution and bitrate the connection can sustain. The right settings depend on the file, frame rate, codec, and available upload capacity—not just the Mac mini model.

The Mac mini generation, macOS version, source file, and connection speed are not specified here, so no model-specific performance guarantee is possible.

Set up the YouTube Live event

  1. Open YouTube Studio and go to the Live Control Room. Create or schedule an encoder stream.
  2. Enter the event details, including title and visibility. For a scheduled stream, its watch page can exist before OBS begins sending video.
  3. Open the stream’s settings and copy its stream URL and stream key. Treat the key as a credential: YouTube describes stream keys as “like your YouTube stream’s password and address.” Do not publish or share it. Manage live stream settings

Add the video to OBS and connect it

  1. In OBS, create a scene, then use the Sources panel’s add control and choose Media Source.
  2. Select the local video file. Enable Loop only if you want playback to start again when the file ends; OBS documents Loop as off by default. OBS Media Sources
  3. For a playlist rather than one file, OBS documents a VLC Video Source. VLC must be installed for that source option to appear. OBS Media Sources
  4. Open OBS’s streaming settings and enter the stream URL and key from the Live Control Room. Keep the key private and verify that you selected the intended YouTube event.

Choose encoder settings

YouTube’s current general encoder guidance recommends RTMP or RTMPS, constant bitrate (CBR), a two-second keyframe interval, H.264, H.265, or AV1 video, and AAC or MP3 audio. YouTube recommends RTMPS for encrypted transport when supported. Its H.264 bitrate examples include:

Output YouTube’s minimum bitrate YouTube’s recommended bitrate
720p at 30 fps 3 Mbps 8 Mbps
1080p at 30 fps 5 Mbps 14 Mbps
1080p at 60 fps 6 Mbps 17 Mbps

These are YouTube’s published ingest recommendations, not a promise of image quality or a Mac mini performance benchmark. Its full bitrate table varies by codec, resolution, and frame rate; consult YouTube’s live encoder settings for the combination you plan to send. Use a bitrate your upload connection can sustain and test it before the event.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
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Test, start, and end the broadcast

  1. Set up the encoder at least two hours before the event, as YouTube advises. Start OBS at least 15 minutes before the scheduled start so there is time to check the feed. YouTube’s streaming tips
  2. Start streaming from OBS. In the Live Control Room, wait for the incoming preview and check that picture and sound are correct before clicking Go live for the scheduled event. YouTube’s encoder setup guide
  3. While live, monitor audio and video quality and confirm the event is accessible as intended. If playback should repeat, verify that the source’s Loop option is enabled.
  4. When finished, stop the encoder output and end the event in YouTube as appropriate. YouTube says streams under 12 hours are automatically archived. If you also record locally in OBS, verify that local file separately; it is not necessarily the same file or stored in the same place as the YouTube archive. YouTube’s encoder setup guide · YouTube’s streaming tips

Troubleshoot common problems

  • No preview in the Live Control Room: confirm OBS is streaming, the correct stream URL and key are entered, and the intended event is open. Recheck the key in Live Control Room if needed; never share it publicly.
  • The feed is unstable or drops frames: reduce the output bitrate or resolution to a level the upload connection can sustain, then test again. Compare the chosen settings with YouTube’s codec-specific recommendations rather than treating one bitrate as universal. Encoder settings
  • The video stops at the end: enable Loop in the Media Source if you want that one file to replay. For multiple files, use a VLC Video Source and ensure VLC is installed. OBS Media Sources
  • The scheduled event is not live for viewers: an encoder preview is not the same as launching the event. Check the preview first, then use Go live in the Live Control Room when ready.
  • Live streaming is not yet available on the channel: first-time activation may take up to 24 hours, so enable it before the event day. YouTube’s encoder setup guide

Copyright and archive checks

Streaming a recording through OBS does not change the rights involved: use video and audio you own or are authorized to broadcast, and review YouTube’s applicable copyright rules before scheduling. A successful encoder preview is not evidence that the content is cleared for broadcast. If you need a separate local archive, confirm OBS is recording and verify the saved file; do not assume YouTube’s archive is also your local recording.

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Or let it run in the cloud

If you need a YouTube channel to keep playing uploaded video without leaving the Mac mini on, StreamNeo runs the stream in the cloud. Upload a recording or build a playlist, add your YouTube stream key once, and go live. YouTube only; it plays uploaded videos rather than broadcasting a camera.

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