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Before you start
- A Raspberry Pi with a working operating system, storage containing the video, and a reliable internet connection. Ethernet can avoid some Wi-Fi variability, but no connection type guarantees a stable stream.
- FFmpeg installed with the required input decoder, video and audio encoders, and RTMPS output support. Available encoders and protocol support depend on how FFmpeg was built.
- A YouTube channel with live streaming enabled. YouTube says first-time activation can take up to 24 hours.
- A video you have the rights to stream. Confirm that its images, music, narration, and other material may be broadcast; prerecorded playback does not remove copyright obligations.
A Pi may need to decode and re-encode the source if its codecs or stream parameters are unsuitable for direct copying. That work can be demanding. The sources available here do not establish a minimum Pi model, guaranteed resolution, or required upload speed for every file and network, so test your actual setup before scheduling a long broadcast.
Create the YouTube Live event
- Open YouTube Studio and go to Live Control Room. Create a stream or schedule one, then configure its title, audience, visibility, and other event details.
- In the stream settings, copy the server URL and stream key exactly as shown. Keep the key private: anyone who has it may be able to send video to your event.
- Check that the event is ready to receive an encoder feed. If live streaming has not previously been enabled for the channel, allow for YouTube’s stated activation delay of up to 24 hours.
YouTube’s encoder workflow starts sending the broadcast when the encoder begins transmitting. Stop the encoder when you intend to end the feed, and use Live Control Room to check the event’s status.
Prepare the Raspberry Pi and video
Check FFmpeg capabilities
Confirm that your installed FFmpeg can read the file and has the encoders and RTMPS protocol support needed for the output. Builds differ; do not assume that a particular codec or hardware encoder is present. If the input cannot be decoded or the selected output encoder is unavailable, the command will fail before a usable broadcast begins.
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Choose settings the Pi can sustain
For broad compatibility, the example below encodes video as H.264 and audio as AAC, uses a two-second keyframe interval at 30 fps, and targets a constant video bitrate. YouTube’s current encoder guidance recommends CBR and a two-second keyframe frequency, and says not to exceed four seconds. YouTube also lists H.265/HEVC and AV1 among supported video choices, but use them only if your FFmpeg build and Pi can handle the chosen encoder reliably.
The example’s 2,500 kbit/s video target is a starting value, not a YouTube-mandated bitrate or a guarantee for a given resolution. Your total outgoing rate also includes audio and transport overhead. Select a rate with headroom below the upload capacity the Pi can sustain; reduce resolution, frame rate, or bitrate if the connection or encoder cannot keep up. The command sets 30 fps, so -g 60 gives a two-second GOP. If you change the frame rate, recalculate the GOP so the keyframe interval remains about two seconds.
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Start a looping broadcast with FFmpeg
- On the Pi, open a terminal and replace the input path, server URL, and key placeholders below. Put
-reand-stream_loop -1before the input’s-ioption. - Run the command and watch FFmpeg’s output for connection errors, encoder failures, or dropped frames. In Live Control Room, verify that YouTube is receiving the feed and check stream health.
- When the test looks stable, run the same command for the scheduled or intended broadcast. Keep the Pi powered and connected for the whole time you want it to transmit.
ffmpeg -re -stream_loop -1 -i "/path/to/video.mp4"
-c:v libx264 -preset veryfast -b:v 2500k -maxrate 2500k -bufsize 5000k
-pix_fmt yuv420p -g 60 -c:a aac -b:a 128k -ar 44100
-f flv "rtmps://YOUR_SERVER_URL/YOUR_STREAM_KEY"This is an illustrative starting command, not a tested Raspberry Pi command or a universal settings prescription. Use the RTMPS server URL and stream key exactly as provided by YouTube; if YouTube presents a server URL and a separate key, join them in the format expected by the output endpoint. Do not publish a command containing a real key in logs, screenshots, or shared scripts.
-re reads the input at its native rate rather than sending a file as fast as possible. -stream_loop -1 repeats the input indefinitely. Remove -stream_loop -1 if you want the transmission to stop at the end of the file. The command re-encodes the video and audio; it is not a stream-copy command.
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FFmpeg option names and behavior can vary by build. If libx264 is unavailable, inspect the encoders actually installed before substituting another one. Hardware encoding may be available on some systems, but verify its name, support, and output behavior on this Pi before depending on it.
Test and monitor before leaving it unattended
- Run a short preflight using a section with motion and audio representative of the planned video. YouTube recommends testing with similar movement and sound, then checking stream health and encoder messages.
- Watch both FFmpeg’s terminal output and Live Control Room. Look for a stable incoming feed, normal audio and video, and no continuing dropped-frame or reconnect errors.
- Check the Pi’s CPU load and temperature during the test. If the Pi cannot encode in real time, try a lower resolution, frame rate, or bitrate, or a compatible hardware encoder you have verified locally.
- Test the actual network path and duration you expect to use. Upload fluctuations, packet loss, power interruptions, and thermal behavior can affect continuity; a successful short test cannot guarantee a long run.
A community Raspberry Pi project reports using 854Ă—480 at 30 fps, choosing that configuration to stabilize ingest on a jittery uplink. That is one project’s setup, not a general minimum, recommended setting, or proof that another Pi and connection will hold the same stream.
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End the stream and understand the archive limit
Stop FFmpeg when you want to stop sending the feed, then confirm the event status in Live Control Room. YouTube says streams shorter than 12 hours are automatically archived after the encoder stops sending. Do not assume that a single continuous event will be preserved as a permanent, uninterrupted archive beyond that documented limit.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Troubleshooting
| Symptom | Likely cause | What to check or try |
|---|---|---|
| YouTube receives no video | The event is not ready, the server URL or key is wrong, or the FFmpeg build cannot connect using the requested protocol. | Confirm the event is live and ready in Live Control Room; copy the current URL and key again; verify RTMPS support in the installed build. Keep the key private. |
| FFmpeg reports an unknown encoder or cannot open the input | The installed build lacks the requested encoder, or the file’s codec/container cannot be read. | Check the build’s available encoders and decoders and test the file locally. Choose an encoder and input format actually supported by that build. |
| Video stutters, drops frames, or falls behind | The Pi may not encode at real-time speed, or the uplink may be unstable or insufficient for the chosen output. | Check FFmpeg messages, CPU load, temperature, and stream health. Test lower resolution, frame rate, or bitrate, and retest on the intended network. |
| Audio is missing or out of sync | The source audio may be absent or unusual, or the selected audio encoding may not work as expected with the installed build. | Check that the file contains an audio stream, inspect FFmpeg’s input and output messages, and test playback and sync in YouTube before a longer event. |
| The broadcast ends when the video finishes | The input was not set to loop. | For continuous repetition, include -stream_loop -1 before -i. Omit it when the stream should end at the file’s end. |
| The feed stops after power or network loss | The Pi or its connection stopped transmitting; this command alone does not provide a managed always-on recovery service. | Restore power or connectivity, inspect FFmpeg and YouTube status, and restart the encoder with the event’s valid stream settings. Test recovery behavior before relying on it. |
Or let it run in the cloud
If you do not want a Raspberry Pi, home computer, or home internet connection to remain on, StreamNeo is a cloud option for looping uploaded videos to YouTube. Upload the recording, add your YouTube stream key once, and go live. It keeps the stream running from the cloud, can recover automatically if YouTube drops the stream, and plays the video as uploaded at any quality up to 4K 60fps for one flat price per slot. It does not stream from a camera or to other platforms.
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