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For a conventional 1080p SDR YouTube stream encoded with H.264, use 14 Mbps at 30 fps or 17 Mbps at 60 fps, constant bitrate (CBR), a two-second keyframe interval, AAC stereo at 128 Kbps and 44.1 kHz, and RTMPS. Choose the frame rate that matches your source; 60 fps takes more encoding capacity and bandwidth, so it is useful when the picture contains motion worth preserving.
Those settings address YouTube ingest, not 24/7 reliability by themselves. Your source must continue playing, FFmpeg and its host must remain healthy, and your connection must sustain the stream’s total bitrate. The command below is an adaptable example for a looping local file, not a tested guarantee of continuous operation.
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Recommended 1080p settings
YouTube’s current encoder guidance, checked October 3, 2026, recommends the following H.264 ingest settings. The 60- and 120-frame GOP values below are the arithmetic equivalents of a two-second interval at 30 and 60 fps.
Quick wins for a faster PC:
Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →| Setting | 1080p30 | 1080p60 |
|---|---|---|
| Video codec | H.264; typically libx264 if included in your FFmpeg build |
H.264; typically libx264 if included in your FFmpeg build |
| Recommended video bitrate | 14 Mbps | 17 Mbps |
| YouTube-listed minimum video bitrate | 5 Mbps | 6 Mbps |
| Rate control | CBR | CBR |
| Keyframe interval | 2 seconds; 60 frames | 2 seconds; 120 frames |
| Audio | AAC, stereo, 128 Kbps, 44.1 kHz | AAC, stereo, 128 Kbps, 44.1 kHz |
| Contribution protocol | RTMPS | RTMPS |
| SDR picture | Progressive, square pixels, Rec. 709, 8-bit | Progressive, square pixels, Rec. 709, 8-bit |
| H.264 advanced settings | 2 B-frames, 1 reference frame, CABAC | 2 B-frames, 1 reference frame, CABAC |
YouTube recommends a two-second keyframe interval and says not to exceed four seconds. Its bitrate figures are recommended ingest rates, not a promise about the quality viewers will receive in every playback condition. See YouTube’s encoder settings, bitrates, and resolutions guidance for the current recommendations.
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Choose 30 or 60 fps based on the source
Use 30 fps when the source is static or has little motion and that frame rate represents it adequately. Choose 60 fps when the source genuinely contains fast motion and preserving that motion detail matters. Converting a 30 fps source to 60 fps does not create real motion detail. At 60 fps, the recommended H.264 bitrate is higher and the encoder has twice as many frames to process each second; confirm that your actual host can sustain it.
YouTube lists 5 Mbps at 1080p30 and 6 Mbps at 1080p60 as minimum H.264 bitrates. Treat these as minimum guidance, not the target when your connection can sustain the recommended rate.
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FFmpeg command for a looping file
This template assumes a compatible local MP4 with audio, a 1080p30 output, an FFmpeg build with libx264, and an RTMPS ingest URL and stream key obtained from YouTube Live Control Room. Replace the example input and ingest values. Never publish a real stream key.
ffmpeg -re -stream_loop -1 -i input.mp4
-vf "scale=1920:1080:force_original_aspect_ratio=decrease,pad=1920:1080:(ow-iw)/2:(oh-ih)/2,fps=30,format=yuv420p"
-c:v libx264 -preset veryfast -tune zerolatency
-profile:v high -pix_fmt yuv420p
-b:v 14M -minrate 14M -maxrate 14M -bufsize 28M
-g 60 -keyint_min 60 -sc_threshold 0
-bf 2 -refs 1 -coder cabac
-color_primaries bt709 -color_trc bt709 -colorspace bt709
-c:a aac -b:a 128k -ar 44100 -ac 2
-f flv "rtmps://YOUR_YOUTUBE_INGEST_URL/YOUR_STREAM_KEY"The scale-and-pad filter fits the full image inside 1920×1080 and adds padding if needed. It does not crop. A different aspect ratio, cropping preference, HDR source, live camera, network input, or audio-free file may require a different filter or input configuration. If the file has no audio, decide whether to add silence or omit audio, then test the actual output.
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For 1080p60
Change fps=30 to fps=60, set -g 120 -keyint_min 120, and use -b:v 17M -minrate 17M -maxrate 17M -bufsize 34M. The 28M and 34M buffer examples represent two seconds of the respective target video bitrate; these buffer values are command-design choices, not values mandated by YouTube. FFmpeg option behavior can depend on the encoder and build. Consult the FFmpeg documentation for options and build-specific details.
Adapt the input behavior to the source
- To play the file once and stop, remove
-stream_loop -1. - For a genuine live capture or network source, replace the file input and omit
-reunless that source’s handling specifically requires pacing. - FFmpeg documents
-reas input pacing equivalent to-readrate 1. It is useful when real-time packet flow matters, such as streaming a file, but FFmpeg warns that using it blindly with a live capture device or network source may cause packet loss. -preset veryfastis an illustrative x264 speed-versus-quality choice, not a universal recommendation. Benchmark sustained encoding on the actual host before depending on it.
The command’s audio and video settings do not supervise the process, restart a failed host, provide backup power, or fail over a network connection. A file loop can also create audible or visible discontinuities at the loop point; inspect that transition before leaving it unattended.
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Test and monitor before relying on a 24/7 stream
- Confirm the source stays available. Check that the file loops or live input continues, and inspect timestamps and audio across transitions.
- Test representative content. YouTube recommends testing with audio and movement similar to the real stream. Check resolution, frame rate, audio, and stream health in Live Control Room. YouTube’s encoder guidance says, “Make sure to test before you start your live stream.”
- Verify sustained encoding. Confirm that output stays at real time and the encoder is not repeatedly falling behind. Performance varies by host, encoder, and preset; these settings do not establish a particular machine’s capacity.
- Check upload capacity under real conditions. Your total outgoing stream bitrate must fit within available upload bandwidth. Leave practical room for network variation, but there is no universal headroom percentage established here. YouTube states, “The total bitrate of your stream can’t exceed the amount of upload bandwidth available.” See YouTube’s streaming tips.
- Watch YouTube’s stream-health feedback. Review stream-health messages during the event, rather than assuming that a successful FFmpeg launch means the ingest is healthy.
- Keep the key private. Enter the stream key in your local configuration or a secret-management mechanism. Do not expose it in a public script, screenshot, or article. YouTube describes creating and entering a stream key in its encoder setup guidance.
- Plan recovery separately. FFmpeg encoding flags alone do not provide process supervision, host restart, power backup, or network failover. Choose and verify those protections for your own operating system and hosting arrangement.
Common problems and what to check
- Stream health reports unstable or insufficient bandwidth: check the total outgoing bitrate against available upload bandwidth under real conditions. Confirm that the selected video rate is appropriate for the connection and investigate network variation.
- Output falls behind or frames are missed: verify that the host can encode the chosen resolution and frame rate continuously. Check the actual FFmpeg build and encoder; do not assume a preset will perform the same on every machine.
- Picture is stretched, cropped, or padded unexpectedly: inspect the scale-and-pad filter and source aspect ratio. The example preserves the whole picture and pads to fill 1920×1080; it does not crop.
- No audio, unexpected silence, or a bad loop transition: check whether the input contains an audio stream, confirm AAC output, and listen to the actual output—including the point where the file repeats. Audio-free sources need an explicit decision to provide silence or omit audio.
- The stream stops when the file ends or input disappears: verify the intended loop setting and source availability. For a one-time file playback, stopping is expected; a 24/7 stream requires a continuous source.
- FFmpeg cannot use
libx264: check whether the installed build includes that encoder. The example relies on it; changing encoders requires settings appropriate to the replacement and verification of the actual output.
Respect YouTube’s live-stream and content rules
Encoding settings do not grant rights to the video or audio being streamed. Use content you own or are authorized to broadcast, and check YouTube’s applicable copyright and monetization policies before looping recorded material. Do not assume that permission to upload a video automatically covers every use as a continuous live stream. Technical compliance with bitrate, codec, and keyframe recommendations does not guarantee YouTube will accept, monetize, or keep a stream available.
Or let it run in the cloud
If you want the stream to keep running without maintaining a home computer and connection, StreamNeo is a cloud service for keeping a YouTube channel live 24/7 from uploaded videos. Upload a recording or build a playlist, add your YouTube stream key once, and go live; the cloud loops the uploaded video, so no computer, OBS, or home connection has to stay on.
- One flat price per slot for any uploaded quality up to 4K 60fps, with no re-encode or quality tiers.
- Automatic recovery if YouTube drops the stream.
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Monthly billing is $9.99 per month. You can also choose a day, week, six months, or year, and cancel any time. UPI and cards are available in India; card checkout is available worldwide. For five or more slots, contact support.
For planning, use the upload-time calculator, cloud vs PC cost calculator, and copyright safety checklist. To start the free first day, create a StreamNeo account.
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