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To run two different prerecorded YouTube livestreams from one VPS, create two YouTube live events, configure a separate incoming stream for each, and run two independent FFmpeg playout processes—each with its own video file and matching event’s ingest URL and stream key. YouTube’s published limits allow up to 10 active streams per channel and 3 per stream key, with both limits applying at once. YouTube’s active-stream limits
How the two-stream setup works
A YouTube broadcast is the event viewers watch; a YouTube stream is the incoming encoder feed. For two different programs airing simultaneously, set up two event-and-feed combinations. The YouTube Live Streaming API also documents binding multiple broadcasts to one stream when the broadcasts carry the same incoming content, but that is not the usual configuration for two different prerecorded videos. YouTube’s broadcast and stream model
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On the VPS, run one playout process per program. Each process sends its file to the ingest destination and stream key for its corresponding event. That separation makes it easier to keep the correct video, title, settings, and restart behavior paired together.
Set up two events in YouTube Studio
- In YouTube Studio, select Create → Go Live and schedule the first event. Set its title, description, visibility, and planned start time.
- Schedule a second event with its own details. Reusing event settings can save time, but verify that each event is associated with the intended incoming feed.
- For each event, open Live Control Room and copy the displayed server or ingest URL and stream key. Treat stream keys like passwords: do not expose them in public scripts, repositories, logs, or screenshots.
YouTube’s encoder workflow describes connecting the encoder, waiting for a preview, and then selecting Go live for a scheduled stream. Follow the current event-specific instructions shown in Live Control Room. YouTube’s encoder setup and scheduling instructions
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Run two FFmpeg playout processes on the VPS
FFmpeg can read a file in real time, loop it, and send it to a streaming destination. A common pattern is to use real-time input playback and file looping, then output a YouTube-compatible stream. The VPS guide linked below offers an illustrative example using -re, -stream_loop -1, H.264, AAC, and FLV output; it has not been tested for these specific files or this setup, so adapt it to the media and the current settings displayed by YouTube. Illustrative VPS and FFmpeg example
- Process A: use prerecorded program A and event A’s ingest URL and key.
- Process B: use prerecorded program B and event B’s ingest URL and key.
Keep the two configurations distinct. Before launching either process, check that its input file and ingest credentials belong to the same event. If the file’s video and audio already meet the chosen ingest settings, stream-copying may avoid re-encoding; if they do not, re-encoding can adapt the output but adds CPU work. Validate the actual output in YouTube’s preview rather than assuming a file is compatible.
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Choose YouTube-compatible output settings
Use the ingest configuration shown for each event. YouTube’s current encoder guidance lists RTMP and RTMPS transport, H.264, H.265/HEVC, and AV1 video, frame rates up to 60 fps, constant bitrate, and AAC or MP3 audio. YouTube recommends RTMPS for encrypted transport. Its guidance recommends a 2-second keyframe interval and says not to exceed 4 seconds. YouTube encoder settings and bitrate guidance
Set resolution, frame rate, codec, and bitrate for each feed to match the program and YouTube’s requirements. As one specific example from YouTube’s bitrate table, the recommended H.264 bitrate for 1080p60 is 6 Mbps; for 4K at 60 fps it is 17 Mbps. These are YouTube recommendations for those settings, not guaranteed requirements or a VPS sizing formula. Check the current table for the exact resolution, frame rate, and codec you plan to send.
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Size the VPS for both simultaneous feeds
Your server must sustain the combined upload rate of both streams, plus network overhead. If the target bitrates are different, add them rather than sizing for only the larger feed. Check the VPS provider’s bandwidth limits as well as the available CPU capacity.
- Two re-encoded outputs: allow for the CPU load of both encoding jobs. The actual demand depends on the files, output settings, and server resources.
- Stream-copying compatible media: can reduce encoding work, but only if the source streams already meet the output requirements.
- Mixed approach: one feed can be re-encoded while the other is copied, if each file supports that choice.
There is no universal VPS size established for this workload. Test both feeds at their intended settings and observe CPU use, network throughput, and YouTube stream health. The third-party guide’s capacity figures are vendor-specific examples, not independently verified guarantees. VPS guide with illustrative sizing
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Start, preview, and monitor each event
- Start the process for the first program, then the second, using each event’s own configuration.
- Open each event in Live Control Room and wait for its preview. Confirm that the video and audio are correct and that the intended event is receiving the feed.
- For scheduled streams, use YouTube’s documented workflow to select Go live when the preview is ready.
- Monitor both events’ stream health and the VPS process logs. A running FFmpeg process alone does not prove that YouTube is receiving the right video and audio.
A process supervisor such as systemd can restart a process after a crash, but it cannot fix a wrong stream key, unsupported output format, insufficient bandwidth, or an event that is not ready to go live. A systemd pattern appears in the VPS guide, but you must adapt it to your server and test that each service restarts the correct process. Example systemd pattern
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.End the streams and account for archiving
Stop each feed intentionally and end its corresponding event in Live Control Room. YouTube says streams shorter than 12 hours are automatically archived in the documented encoder workflow. That statement does not establish that a longer continuous stream will archive as one video; check current behavior for the event before relying on an archive. YouTube encoder setup and archiving guidance
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Troubleshooting two simultaneous streams
| Symptom | Likely cause | What to check |
|---|---|---|
| One event has no preview | The process may be using the wrong ingest URL or key, or the event may not be ready. | Compare that process’s destination and key with the matching event in Live Control Room. Check the event’s state and follow its scheduled-stream steps. |
| The wrong program appears on an event | The two process configurations may have crossed inputs or credentials. | Verify each input file, ingest URL, and key as a matched set for event A or event B. |
| Video or audio is rejected or unstable | The output may not match YouTube’s accepted settings, or the source may not be suitable for stream-copying. | Check codec, resolution, frame rate, bitrate mode, keyframe interval, and audio format against YouTube’s encoder guidance. Re-encode if necessary, then verify the preview. |
| Both feeds stutter or disconnect | The VPS may be short on upload capacity or CPU, particularly if both processes re-encode. | Check the combined target bitrate plus overhead, provider bandwidth limits, CPU load, and process logs. Test the two outputs together at their planned settings. |
| A crashed process stays down | No restart policy may be configured, or the restart may be failing. | Review the service manager’s status and logs. Confirm the restart policy points to the right command; remember it cannot resolve bad credentials, event state, or capacity problems. |
Copyright and YouTube policy still apply
Prerecorded playback does not remove rights or platform obligations. Use only content you are authorized to broadcast, and ensure each livestream complies with YouTube’s Community Guidelines and Terms of Service. YouTube says it may restrict livestreaming. YouTube livestream policies and active-stream limits
Or let it run in the cloud
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