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Set the output dimensions with FFmpeg’s scale filter, then choose a YouTube-supported frame rate and bitrate your VPS can encode in real time and upload with headroom. For a simple starting point, use H.264 with a 720p target, YouTube’s recommended bitrate for the matching frame rate, CBR, and a two-second keyframe interval. There is no established universal minimum VPS size: test on the actual instance with your own video and audio before relying on it nonstop.
Choose a resolution your VPS can sustain
Resolution is only one part of the load. Higher dimensions and frame rates require more encoding work and usually more upload bandwidth. The right setting is the highest quality that the VPS can encode continuously at real-time speed while retaining network headroom—not simply the highest resolution YouTube accepts.
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Start with 1280×720 if that meets your needs, then run a representative test. A 1080p stream may show more detail, but it also calls for a higher recommended ingest bitrate and can demand more CPU, depending on the input, frame rate, encoder preset, and VPS resources. Lower resolution, frame rate, bitrate, or encoding complexity if processing falls behind or YouTube reports stream-health problems.
Set output dimensions with FFmpeg’s scale filter
The scale video filter controls the output width and height. For 720p, the target dimensions are 1280×720. Apply scaling to the video output in your FFmpeg command; the exact command depends on your input and output setup.
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Do not force arbitrary dimensions without deciding how to handle the source aspect ratio. If the source and target have different shapes, stretching can distort the image. Choose whether to preserve the full image with padding or fill the frame by cropping, and inspect the result before streaming. FFmpeg’s scale filter documentation describes the filter options; the command-line documentation covers how filters and output options fit into a command.
Check ffmpeg -version on the VPS before using examples from current online documentation. FFmpeg notes that its documentation is regenerated frequently and may describe a newer revision than the binary installed on your server; consult the version and documentation available for your installation.
Match bitrate, frame rate, and keyframes to YouTube’s ingest guidance
YouTube lists H.264, H.265/HEVC, and AV1 as supported live ingest video codecs, up to 60 fps. For a straightforward VPS baseline, H.264 is the simplest documented choice. YouTube recommends constant bitrate (CBR) and a two-second keyframe interval; the interval should not exceed four seconds. Check the current YouTube encoder settings and bitrate guidance for the selected codec and resolution before publishing, because YouTube presents different settings tables for combinations and locales.
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| Output and frame rate | Recommended bitrate |
|---|---|
| 240p–720p at 30 fps | 4 Mbps |
| 720p at 60 fps | 6 Mbps |
| 1080p at 30 fps | 10 Mbps |
| 1080p at 60 fps | 12 Mbps |
These are YouTube live ingest recommendations, not upload-encoding settings. Match the recommendation to both your output resolution and frame rate. FFmpeg’s full documentation explains option units and codec options; confirm the specific encoder options supported by your installed build.
Check VPS upload headroom
The VPS must sustain the stream’s total bitrate on its outbound connection. YouTube recommends leaving 20% upload-bandwidth headroom and warns that total stream bitrate cannot exceed available upload bandwidth. Do not choose a bitrate based only on a provider’s advertised maximum; confirm sustained outbound capacity on the actual instance and account for any additional audio bitrate.
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A small VPS has two independent constraints: it needs enough processing capacity to encode in real time and enough outbound capacity to carry the stream. No universal CPU or RAM minimum, Indian provider, or VPS plan is established here. When comparing plans, investigate sustained CPU allocation, outbound bandwidth and traffic limits, Indian-region availability, reliability, and cost; then validate performance with your stream workload.
Configure the YouTube ingest destination safely
- Open YouTube Live Control Room. Find the stream settings and retrieve the ingest URL and stream key using YouTube’s live stream settings guidance.
- Use RTMPS when available. YouTube describes RTMPS as RTMP over TLS/SSL, which encrypts the connection in transit. See YouTube’s RTMPS guidance.
- Keep the stream key private. Treat it like a credential. Do not publish it in scripts, public logs, screenshots, or support messages. If it is exposed, replace it in YouTube’s controls and update the sender.
Test the playlist before leaving it live
Playlist looping is input-format dependent; there is no single loop command established as correct for every playlist structure. Test the exact files and installed FFmpeg version rather than assuming a command will handle every transition or failure.
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- Use a representative sample. Include movement and audio similar to the intended stream, and test transitions between playlist items.
- Check image and sound. Confirm the scaled image is not stretched or unexpectedly cropped, audio remains continuous, and levels are suitable.
- Verify real-time encoding. Watch FFmpeg’s processing speed and the VPS’s actual CPU and network load. If processing speed drops below real time, reduce frame rate, resolution, bitrate, or encoding complexity, then test again.
- Check YouTube stream health. Watch the Live Control Room’s health indicators and messages during the test. YouTube’s advice is direct: “Make sure to test before you start a live stream.”
- Test restart and reconnection behavior. Confirm what happens when the sender or connection stops and resumes. Do not treat a successful short test as proof that every playlist transition or restart will work unattended.
Troubleshoot common failures
| Symptom | Likely area to inspect | What to try |
|---|---|---|
| Image is stretched or cropped unexpectedly | Source and target aspect ratios | Choose an intentional preserve-with-padding or crop-to-fill approach and inspect the scaled output. |
| FFmpeg falls behind real time | Encoding load, frame rate, resolution, or preset | Reduce frame rate or resolution, or use a less demanding encoding configuration; retest on the actual VPS. |
| YouTube reports stream-health or connection issues | Bitrate versus sustained outbound capacity | Check the VPS’s actual upload capacity, retain YouTube’s recommended 20% headroom, and lower the total bitrate if needed. |
| Playlist transition has a gap, interruption, or audio discontinuity | Input format and playlist handling | Test the exact files, transitions, and installed FFmpeg version; no universal loop recipe is established. |
| Stream does not connect to the intended destination | Ingest URL, key, or transport configuration | Recheck the Live Control Room settings, keep the key private, and use RTMPS when available. |
| Options in an online example do not work | Installed FFmpeg version or encoder build | Check ffmpeg -version and use documentation that matches the installed version and available encoder. |
Account for copyright and channel eligibility
A technically stable stream is not automatically cleared for broadcast. Use only video and audio you have the rights to stream, and review YouTube’s applicable live-stream and channel rules before publishing. A playlist’s ability to loop does not establish that its contents are permitted or that a channel meets YouTube’s requirements.
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