The Tool Desk
Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →To loop a prerecorded video on YouTube Live with FFmpeg, use -stream_loop -1 before the input, encode to YouTube’s supported live-stream settings, and publish to its RTMPS ingest URL with your stream key. For a 1080p30 H.264 starting point, YouTube lists 5 Mbps as the minimum and 14 Mbps as the recommended video bitrate; use CBR, a two-second keyframe interval, and stereo AAC at 128 kbps. Looping the file does not make the computer, network, FFmpeg process, or YouTube ingest failure-proof, so those need separate monitoring and recovery plans.
FFmpeg settings for a 24/7 YouTube stream
YouTube’s published settings depend on codec, resolution, and frame rate. The following table gives the relevant H.264 examples; the figures are YouTube’s current guidance, accessed in 2026, not a guarantee that a particular network or encoder can sustain them.
| Output profile | Minimum video bitrate | Recommended video bitrate |
|---|---|---|
| 720p30 H.264 | 3 Mbps | 8 Mbps |
| 1080p30 H.264 | 5 Mbps | 14 Mbps |
These are H.264 values: if you encode with libx264, use the H.264 row rather than borrowing the value shown for another codec. YouTube lists 10 Mbps as the recommended 1080p30 bitrate for AV1 or H.265/HEVC, versus 14 Mbps for H.264. Higher frame rates and resolutions have different recommendations. See YouTube’s live encoder settings, bitrates, and resolutions for the applicable row.
- Protocol: RTMP or RTMPS is supported; YouTube recommends RTMPS, which encrypts the connection to Google’s servers.
- Rate control: Use constant bitrate (CBR).
- Keyframes: Set a two-second interval; do not exceed four seconds. At 30 fps, two seconds is 60 frames.
- Video: H.264 is a broadly compatible FFmpeg choice. YouTube also lists H.265/HEVC and AV1 as supported; verify that your FFmpeg build and output path support the codec you choose.
- Audio: AAC stereo at 128 kbps is YouTube’s recommended advanced setting. Its guidance recommends 44.1 kHz for stereo.
- SDR: Use Rec. 709, 8-bit SDR. YouTube’s advanced recommendations also include progressive scan, two B-frames, one reference frame, and CABAC; verify the relevant encoder options in your local FFmpeg build.
A 5 Mbps 1080p30 H.264 feed is the published minimum, not YouTube’s recommended bitrate. If your connection has room to sustain it, the 14 Mbps recommendation gives more bitrate headroom for that profile, particularly for motion-heavy material. YouTube advises testing with similar audio and motion to the intended stream and leaving capacity beyond the stream bitrate. The settings and headroom guidance are in YouTube’s encoder settings and streaming tips.
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Loop one video indefinitely with FFmpeg
This illustrative command assumes a conventional 1920×1080, 30 fps input, an FFmpeg build with libx264 and AAC support, and a YouTube RTMPS ingest URL and key from Live Control Room. Replace the three uppercase or example values with yours:
ffmpeg -re -stream_loop -1 -i input.mp4
-c:v libx264 -preset veryfast -b:v 5M -maxrate 5M -bufsize 10M
-pix_fmt yuv420p -r 30 -g 60 -keyint_min 60 -sc_threshold 0
-c:a aac -b:a 128k -ar 44100 -ac 2
-f flv "YOUTUBE_RTMPS_INGEST_URL/STREAM_KEY"- Install or verify FFmpeg. Check your local build and confirm that it includes the chosen video encoder, AAC encoder, and required output protocol. Available options vary by build.
- Get the ingest details. In YouTube Live Control Room, copy the stream URL and stream key into the encoder destination. Treat the key like a password: keep it out of public scripts, logs, screenshots, and source control. YouTube’s encoder setup instructions explain where to find and enter those values.
- Set the video parameters to match the actual output. The example sends H.264 at 5 Mbps with a 60-frame GOP at 30 fps. Change the bitrate, dimensions, and frame rate to match the chosen YouTube profile and your source. In the example,
-maxrate 5Mmatches the target video bitrate and-bufsize 10Mis an illustrative encoder choice, not a YouTube-mandated value. - Start the command and check the live preview. Monitor the preview and stream health in Live Control Room. Test the actual upload path, with audio and motion resembling the intended broadcast, before relying on it unattended.
-stream_loop -1 is an input option meaning repeat the input indefinitely; it belongs before the corresponding -i. -re reads a file at its native rate, which is useful when simulating a live source from a file. It is not a universal option for a real-time capture input. FFmpeg options are positional, so their placement affects which input or output they apply to. See the FFmpeg command-line documentation.
The example is a configuration illustration, not a tested command or a promise of uninterrupted service. Values such as -preset veryfast, -bufsize 10M, -pix_fmt yuv420p, -ar 44100, and -sc_threshold 0 are example FFmpeg choices, not mandatory YouTube values. Confirm the output dimensions, frame rate, GOP, audio, and encoder availability against your input and target.
Rank #2
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How to keep the stream running when something fails
A 24/7 stream has several distinct continuity problems. Repeating the media is only the first.
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-stream_loop -1 repeats a finite input; it does not restart FFmpeg if the process exits, the host reboots, or an encoder error terminates the job. If unattended operation matters, add a process supervisor and alerting, and make restart behavior visible. Test the restart policy rather than assuming a retry will preserve an uninterrupted viewer session.
Output errors need their own recovery strategy
FFmpeg documents a FIFO output pattern using -f fifo, -fifo_format flv, -attempt_recovery 1, and -recovery_wait_time 1 to attempt recovery every second indefinitely after temporary failures. This is an FFmpeg example, not a guarantee that YouTube will preserve the same player session or that every publishing error is recoverable. Check behavior for your local FFmpeg version and build, then test it against the actual ingest endpoint. The example appears in the FFmpeg full documentation.
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Do not treat protocol reconnect options documented for input protocols as a universal RTMP output reconnect switch. In particular, HTTP input options such as -reconnect do not, by themselves, recover a YouTube RTMP publishing output. FFmpeg documents protocol-specific behavior in its protocol documentation.
Network and host failures require operational coverage
A network interruption can break a live stream. YouTube recommends leaving about 20% bandwidth room and, when using a primary and backup stream, ensuring their combined bitrate plus that headroom fits the available outbound bandwidth. It also recommends testing backup-encoder failover. For a long-running broadcast, monitor both the publishing process and YouTube’s stream health, alert on failure, and test a fallback path; no FFmpeg loop setting replaces those measures. See YouTube’s streaming tips.
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Preflight checks before going live
- Check the local FFmpeg version and build, and verify the chosen encoders and output protocol are present.
- Run an upload-speed test under realistic conditions. Leave bandwidth headroom; a speed-test peak does not establish that the connection can sustain the stream continuously.
- Test a representative clip with the intended movement and audio. Check the Live Control Room preview and stream-health indicators.
- Start the encoder in advance, then verify the watch page and playback on a mobile device. YouTube recommends advance setup and continuous monitoring for encoder-based streams.
- Exercise the fallback encoder by stopping the primary or disconnecting its Ethernet, then confirm the player rolls over as expected.
- For unattended runs, configure a supervisor, alerting, and a tested restart/failover procedure. Recovery can still involve a gap.
- Confirm that you have the rights to all material and that the stream complies with YouTube policies. A looping setup does not grant content rights or guarantee monetization.
Playlists, archives, and policy considerations
Multiple files are not the same as looping one file
A playlist or concat workflow must account for compatible stream parameters, timestamps, audio continuity, and what happens when the encoder changes files or restarts. Do not assume that looping one file produces playlist rotation or gapless transitions. Test the specific transitions and output before using a mixed-file sequence for a continuous broadcast.
Rank #4
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Plan a separate archive for long broadcasts
YouTube’s encoder setup guidance says streams under 12 hours are automatically archived. That statement does not establish that a stream running continuously beyond 12 hours will produce one complete archive. If a complete local copy matters, arrange an independent recording and archive workflow. The same YouTube guidance says monetization applies if the creator is in the YouTube Partner Program; configuring FFmpeg does not itself establish eligibility. See YouTube’s encoder setup guidance.
Or let it run in the cloud
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