Install FFmpeg on Raspberry Pi OS Lite with APT, verify that your build supports RTMP or RTMPS, then configure the input and YouTube settings for your actual source and Raspberry Pi. A systemd service can start FFmpeg at boot and restart a failed process, but it cannot by itself guarantee an uninterrupted 24/7 stream through power, network, source, or YouTube failures.
Before you install: identify the Pi, source, and stream settings
Raspberry Pi OS Lite is the command-line-only edition of Raspberry Pi OS; Raspberry Pi describes it as useful for headless servers. The steps below assume you have already imaged and booted a Lite system with network access and a user account that can run sudo. Raspberry Pi Imager is the documented way to install Raspberry Pi OS. The latest release described on Raspberry Pi’s OS page is based on Debian Trixie, with Bookworm the previous release, so package versions and FFmpeg features can vary by OS release and device architecture. Raspberry Pi OS
Before choosing an FFmpeg command, decide what it will read and whether it needs to encode:
- Prerecorded file: FFmpeg can read a file in real time and send it to a streaming output. For a continuous broadcast, a single file does not automatically become a loop; arrange looping in the command or service design and test what happens at the end of the file.
- Camera or capture device: determine the actual Linux device, supported pixel formats, resolution, and frame rate. These vary by hardware; do not assume a particular
/dev/video*path or input format. - Network source: confirm its URL, transport, credentials, and whether its existing streams can be copied directly or must be re-encoded.
- Encoding versus copying: encoding uses more Pi resources and lets you change codec or output settings. Copying avoids video re-encoding but only works when the source codec and stream format are suitable for the YouTube output.
The title does not specify a Pi model or input, so no single command or resolution can be guaranteed to work on every device. Check the Pi’s capacity and the uplink before settling on a target.
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Install FFmpeg and check the build
- Update the package index:
sudo apt update. Raspberry Pi recommends APT for routine package management and updates. - Install the distribution package:
sudo apt install -y ffmpeg. - Inspect the installed version and build: run
ffmpeg -version. The output identifies the executable version and build configuration on this device; do not assume it matches an older tutorial or another OS release. - Check for RTMP protocol support: run
ffmpeg -protocols | grep -E '(^| )rtmps?$'. Confirm that the protocol needed by your output URL appears. If it does not, inspect the package and build available for your OS rather than proceeding on the assumption that the command can connect.
Raspberry Pi’s streaming setup guide also uses the package name ffmpeg, but the exact version and enabled codecs or protocols depend on the installed image and architecture. Raspberry Pi OS documentation
Get the YouTube ingest URL and protect the stream key
In YouTube Live Control Room, open the stream’s Stream settings and retrieve its ingest URL and stream key. YouTube recommends RTMPS, which adds TLS/SSL to RTMP. Its Help page explains that the RTMPS URL is revealed using the lock icon; the initially displayed default URL may be ordinary RTMP instead. Use the URL and key supplied for your stream, and confirm that the endpoint is correct. YouTube’s API documentation specifies port 443 for RTMPS. YouTube Help: Choose live encoder settings, bitrates, and resolutions · YouTube Live Streaming API: Ingestion protocols
- Treat the stream key like a password: do not publish it, commit it to a public repository, or expose it in screenshots or shared logs.
- Use a private configuration file with restricted permissions or another protected mechanism to supply the key to the service. Avoid putting a real key in a script that others can read.
- If a key is exposed, replace it in YouTube’s live settings before continuing.
Configure FFmpeg for the actual input and YouTube
Prerecorded video: illustrative starting command
FFmpeg documents -re -i myfile as a way to read a file at its native rate for live streaming, with an FLV output sent to an RTMP URL. YouTube accepts RTMP/RTMPS delivery with supported video and audio codecs. The following command illustrates one possible H.264/AAC configuration for a file; it is not a tested Raspberry Pi command or a guarantee that a given Pi can encode the chosen input in real time. Replace the file path and ingest URL with your own values, and keep the real key out of public scripts.
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ffmpeg -re -i /path/to/input.mp4
-c:v libx264 -preset veryfast -b:v 2500k -maxrate 2500k -bufsize 5000k
-r 30 -g 60 -c:a aac -b:a 128k -ar 44100
-f flv 'rtmps://YOUR_YOUTUBE_INGESTION_URL/YOUR_STREAM_KEY'Here, -re reads the file at real-time speed; -i selects the input; the -c:v and -c:a options select video and audio encoders; the bitrate options set a target and rate-control buffer; -r 30 requests 30 frames per second; and -g 60 sets a 60-frame GOP, corresponding to a two-second keyframe interval at 30 fps. -f flv selects the output container used for this RTMP-style streaming example. Confirm your build includes the selected encoder and that the Pi can sustain the work. For a video source that already has a compatible codec, a stream-copy configuration may reduce CPU load, but it will not convert incompatible codecs or correct unsuitable timing or stream properties.
Camera and network inputs
Do not reuse the file command unchanged for a camera or network feed. A camera needs the correct Linux capture input, device, and supported format; a network source needs its actual protocol, URL, and any authentication. Choose the input options for that device or source, then decide whether its streams can be copied or need conversion. No specific camera, network feed, or Raspberry Pi model is established here, so a universal device command would be misleading.
Match bitrate, keyframes, and resolution to YouTube and the Pi
YouTube’s encoder guidance calls for constant bitrate (CBR), recommends a two-second keyframe interval, and says the interval should not exceed four seconds. Its current guidance lists H.264, H.265, and AV1 video, and AAC or MP3 audio, for RTMP/RTMPS. Select a row for the actual resolution, frame rate, and codec rather than treating one bitrate as appropriate for every stream. YouTube’s table lists H.264 720p30 at a 3 Mbps minimum and 8 Mbps recommended. That is YouTube’s encoder guidance for that setting, not a guarantee of the Pi’s encoding capability or the required bitrate for another resolution or codec. YouTube Help: Choose live encoder settings, bitrates, and resolutions
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- Choose a resolution and frame rate that the Pi can encode continuously if re-encoding. No performance result for a particular Pi model and FFmpeg build is established here.
- Set bitrate within YouTube’s guidance for the chosen codec, resolution, and frame rate, and below what the internet connection can reliably upload.
- Use a two-second keyframe interval where possible, and do not exceed YouTube’s stated four-second maximum.
- Test representative content before relying on the stream, and monitor YouTube’s stream health and actual upload behavior.
Run FFmpeg at boot with systemd
A systemd unit can launch a long-lived FFmpeg process at boot and restart it after a process failure. Use a dedicated, non-root service account, and make the input and key available to it without making secrets public. The example below assumes you have created a protected environment file at /etc/ffmpeg/youtube.env containing a single variable, YOUTUBE_URL, set to the complete RTMPS output URL and stream key. Restrict that file so only root and the service account can read it.
Create /etc/systemd/system/youtube-ffmpeg.service with a command suited to your source. For a file input, an example unit is:
[Unit]
Description=FFmpeg YouTube live stream
Wants=network-online.target
After=network-online.target
[Service]
Type=simple
User=ffmpeg
EnvironmentFile=/etc/ffmpeg/youtube.env
ExecStart=/usr/bin/ffmpeg -re -i /path/to/input.mp4 -c:v libx264 -preset veryfast -b:v 2500k -maxrate 2500k -bufsize 5000k -r 30 -g 60 -c:a aac -b:a 128k -ar 44100 -f flv ${YOUTUBE_URL}
Restart=on-failure
RestartSec=5
[Install]
WantedBy=multi-user.targetReplace the path, account, and FFmpeg options for your installation. Keep the environment file private and verify how your systemd version handles environment-file values and command arguments; if the stream key contains characters that need special handling, use a protected wrapper or another secure method rather than risking a malformed URL. A service running with a dedicated user also needs permission to read the input and access any capture device.
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- Check the unit syntax and load it:
sudo systemd-analyze verify /etc/systemd/system/youtube-ffmpeg.service, thensudo systemctl daemon-reload. - Enable it at boot and start it now:
sudo systemctl enable --now youtube-ffmpeg.service. - Check whether systemd considers it active:
sudo systemctl status youtube-ffmpeg.service. - Read the service log if startup or streaming fails:
sudo journalctl -u youtube-ffmpeg.service -e. Follow new log entries withsudo journalctl -u youtube-ffmpeg.service -f. - Reboot deliberately during a maintenance window and confirm that the service starts and the stream appears in YouTube Live Control Room.
Restart=on-failure handles a failed process, not every failure mode. It cannot repair an unplugged or stalled camera, an unavailable network input, an invalid or expired event setup, inadequate upload bandwidth, overheating, or loss of power. A service may also restart repeatedly if its command, credentials, or source are wrong; inspect the journal and fix the cause rather than treating restart attempts as proof of availability.
Troubleshoot common failures
- FFmpeg says the protocol is unavailable: check
ffmpeg -protocolsand confirm the installed build supports the URL scheme. Install or select a suitable build for the OS and architecture. - Connection fails or YouTube does not receive the stream: verify the RTMPS ingest URL, port, stream key, network access, and event status in Live Control Room. Make sure you did not use the default RTMP URL when you intended to use RTMPS.
- Authentication or key errors: check that the protected configuration contains the current key and that its characters were not altered by shell or systemd parsing. Replace the key in YouTube if it was exposed.
- Video stutters, drops frames, or the Pi is overloaded: lower the encoding workload by reducing resolution or frame rate, or use a compatible source stream-copy path where appropriate. Verify behavior with the actual content and monitor stream health.
- Upload instability or poor stream health: compare the sustained uplink with the selected bitrate, leave capacity for network variation, and test before depending on the stream. A nominal connection speed does not establish stable upload capacity.
- Service starts and then repeatedly exits: read
journalctlfor the FFmpeg error, then check file permissions, input availability, command syntax, codec support, and credentials. Restarting cannot fix a persistent configuration error. - It works until reboot, then fails: verify the service is enabled, the network is available when it starts, the environment file is readable by the service, and any input device is present and accessible.
Copyright, reused content, and continuous-live eligibility
Technical delivery does not establish that a broadcast is allowed to stay live or that its content complies with YouTube’s rules. Check the current requirements and account eligibility in YouTube Live Control Room before planning a continuous broadcast. The exact account or event rules for leaving a particular stream live continuously for 24 hours are not established by the technical encoder guidance.
Use content you own or are licensed to stream, including music, game footage, and other third-party material. A stream that repeatedly plays prerecorded material should not be assumed to qualify for monetization: YouTube evaluates channels under its monetization policies, including reused-content rules, separately from whether a stream can technically connect. Review the current policies and resolve rights or eligibility questions before going live. YouTube channel monetization policies
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Costs and operational trade-offs
The software installation uses the Raspberry Pi OS package manager, but the hardware and 24/7 operating costs depend on the device and setup. Account for the Pi, power, reliable network access, storage for a file source, and any cooling or backup-power needs your environment requires. No specific Pi model, power cost, or measured operating cost is established here. A local Pi keeps the workflow in your control, while you remain responsible for the device, power, network, input, and recovery beyond a failed FFmpeg process.
Or let it run in the cloud
If the project is a prerecorded video or playlist that should stay live on YouTube, StreamNeo is a cloud alternative: upload the video or build a playlist, add your YouTube stream key once, and go live. The cloud keeps the loop running without leaving a computer on at home, streams what you uploaded up to 4K 60fps at one flat price per slot, and automatically recovers if YouTube drops the stream. The first day is free with no card. Monthly billing is $9.99 per month. StreamNeo is for uploaded video and playlists sent to YouTube; it does not stream from a camera. See StreamNeo or start the free first day.
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