You can use FFmpeg on a Raspberry Pi 3 to send authorized local video to YouTube Live. For one file, FFmpeg’s -stream_loop -1 input option repeats it indefinitely. A sequence of several files needs a playlist-capable input or another sequencing method; that loop option alone does not create a multi-file playlist. Set up YouTube’s encoder ingest details, choose settings your Pi and upload connection can sustain, then test and monitor the stream before relying on it.
What this setup does—and what it does not
The workflow is: prepare media you own or are authorized to rebroadcast, make it available locally to FFmpeg, encode and send it to YouTube Live using the event’s ingest URL and private stream key, and monitor the event in YouTube Live Control Room.
This is not a guide to downloading or extracting videos from a public YouTube playlist and rebroadcasting them. A video being publicly viewable or included in a playlist does not establish permission to redistribute it. YouTube’s delivery guidance says you must be the copyright holder or authorized representative for the video and audio you deliver (YouTube video and audio formatting specifications).
The available documentation does not establish a tested Raspberry Pi 3 performance ceiling for playlist playback and encoding. Treat the commands and settings below as a configuration to verify on your own Pi, FFmpeg build, media, network, and YouTube event—not as a guarantee that a particular resolution or frame rate will run reliably.
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Prepare the Pi, media, and YouTube event
Check your hardware and software
- Confirm the exact Pi 3 model and revision, power supply, cooling, storage, and operating system. Watch for heat-related throttling during a long test.
- Check that FFmpeg is installed and identify the build with
ffmpeg -version. Available codecs, protocols, and input support depend on how that build was compiled. - Use local files in formats your FFmpeg build can read. Check each file’s streams and properties with
ffprobebefore constructing the stream command. - Measure sustained upload capacity from the location where the Pi will run. Leave headroom for network variation; do not choose a bitrate merely because YouTube lists it.
Enable YouTube Live and create the event
- In YouTube Studio, open Live Control Room and create or select the live event. YouTube’s encoder workflow provides the server or stream URL and the stream key there. Keep the key private: anyone who obtains it may be able to send a feed to your event.
- If this is the first time the channel is enabling live streaming, allow up to 24 hours for activation, as YouTube Help notes (Get started with live streaming).
- Choose the event settings and confirm they match the feed you plan to send. Start FFmpeg only after the event and encoder settings are ready.
- Use YouTube’s stream-health messages during a private or otherwise appropriate test. Include representative motion and audio; a static test image may not reveal the same issues as the real program.
Choose resolution, bitrate, and encoding settings
YouTube’s current encoder guidance supports RTMP/RTMPS ingest, H.264, H.265/HEVC, or AV1 in the listed encoder modes, and AAC or MP3 audio. It recommends constant bitrate (CBR) and a keyframe every two seconds, not exceeding four seconds. YouTube recommends RTMPS for encrypted transport. Use a codec and pixel format supported by your installed FFmpeg build and the Pi’s available encoding path; do not assume every listed YouTube codec is practical to encode on a Pi 3.
The following are YouTube-published H.264 ingest recommendations, not measurements or guarantees of Raspberry Pi 3 performance. Select a target only after testing that the Pi can produce it and the actual upload connection can sustain it.
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| Target | YouTube-recommended H.264 bitrate |
|---|---|
| 480p at 30 fps | 4 Mbps |
| 720p at 60 fps | 8 Mbps |
| 1080p at 30 fps | 14 Mbps |
| 1080p at 60 fps | 17 Mbps |
These figures come from YouTube Help’s encoder settings guidance (Choose live encoder settings, bitrates, and resolutions). They are recommendations for ingest, not a Pi 3 benchmark. Match the output resolution and frame rate to the media, available encoding capacity, and measured upload bandwidth. If the Pi struggles or YouTube reports an unstable feed, lower the output target and retest.
Loop one local video indefinitely
FFmpeg documents -stream_loop as an input option: a value of -1 repeats the input indefinitely. Put it before the corresponding -i option (FFmpeg main options).
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For a local file called program.mp4, the command pattern below loops that file and sends it to an RTMPS ingest URL. Replace the example paths, ingest URL, and key with your own values. The resolution, frame rate, bitrate, and audio settings shown are examples to adapt and test, not a validated Pi 3 preset.
ffmpeg -re -stream_loop -1 -i /path/to/program.mp4
-c:v libx264 -preset veryfast -b:v 4M -maxrate 4M -bufsize 8M
-r 30 -g 60 -keyint_min 60 -sc_threshold 0
-c:a aac -b:a 128k -ar 44100
-f flv "rtmps://YOUR_INGEST_URL/YOUR_PRIVATE_STREAM_KEY"This example uses software H.264 encoding and a two-second GOP at 30 fps. The veryfast preset is a starting point to test, not evidence that the Pi 3 will encode the source in real time. If it cannot keep up, reduce the output resolution or frame rate, test a different supported encoding path, or use a less demanding source. Confirm the output bitrate fits the connection and event settings.
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Do not publish a command containing your real stream key in a public script, screenshot, log, or support post. If the key is exposed, replace it in YouTube Studio before streaming again. FFmpeg’s -stream_loop -1 applies to the one input shown; it does not automatically advance through a directory or a list of unrelated files.
Play multiple local files in sequence
A multi-file playlist is a separate problem from looping one input. FFmpeg’s input-loop option repeats a supported input, but does not itself define how to sequence several files. Use a playlist or concat approach only after validating its behavior with the installed FFmpeg build and files of the formats you intend to use.
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Use a concat-demuxer list for compatible files
When the files have compatible streams and encoding parameters, FFmpeg’s concat demuxer can read a text list in order. Create a file such as playlist.txt:
file '/media/video-01.mp4'
file '/media/video-02.mp4'
file '/media/video-03.mp4'Then use the list as one input and loop that input:
ffmpeg -re -stream_loop -1 -f concat -safe 0 -i /path/to/playlist.txt
-c:v libx264 -preset veryfast -b:v 4M -maxrate 4M -bufsize 8M
-r 30 -g 60 -keyint_min 60 -sc_threshold 0
-c:a aac -b:a 128k -ar 44100
-f flv "rtmps://YOUR_INGEST_URL/YOUR_PRIVATE_STREAM_KEY"The concat demuxer expects inputs that can be joined consistently; mismatched codecs, stream layouts, timestamps, or parameters can cause errors or bad transitions. The -safe 0 option permits paths that the demuxer otherwise treats as unsafe, so use it only with a playlist file you control. Test the full sequence locally before connecting it to a live event. If files are not compatible, normalize them to a consistent format first or use a different sequencing method you have verified for your build.
Run a test and monitor the live feed
- Test the playlist locally first. Confirm that every file opens, plays in the intended order, and transitions without errors.
- Start the YouTube event and verify the selected resolution, frame rate, ingest protocol, and audio match the FFmpeg output.
- Start FFmpeg and watch its console output for input errors, dropped frames, encoding speed below real time, connection failures, or reconnect loops.
- Check YouTube Live Control Room’s stream health and preview. Verify moving video, intelligible audio, and stable delivery for long enough to reveal problems.
- Check the Pi’s CPU load, temperature, and network behavior while the actual playlist is running. A short idle test is not a substitute for a full-duration run.
Troubleshoot common failures
| Symptom | Likely cause | What to check or change |
|---|---|---|
| YouTube receives no video | Wrong ingest URL or key, event not ready, live streaming not enabled, or a connection failure. | Copy the current server URL and private key from Live Control Room, check the event status and network connection, and confirm first-time activation has completed. |
| FFmpeg reports that it cannot open an input | Incorrect path, permissions, unsupported container or codec, or a concat-list syntax issue. | Check the path and file permissions, inspect the file with ffprobe, and test each list entry individually. |
| Playlist stops after one pass | The loop option is missing, placed after the relevant input, or the multi-file input is not being read as expected. | Put -stream_loop -1 before the playlist input’s -i. Confirm the concat input works once before testing the loop. |
| Video stutters, drops frames, or the encoder falls behind | The Pi cannot sustain the selected encoding workload, or storage/network conditions are unstable. | Reduce resolution, frame rate, or bitrate; check CPU and temperature; and test the same complete playlist again. |
| YouTube reports an unstable stream | The outgoing bitrate exceeds reliable upload capacity, the connection varies, or output settings do not match expectations. | Measure sustained upload bandwidth, leave headroom, lower the target bitrate if needed, and verify CBR and keyframe timing. |
| Audio is missing or out of sync | Input audio format or timestamps are inconsistent, or output audio settings are unsupported or mismatched. | Inspect audio streams with ffprobe, test a single file, and use a supported AAC or MP3 output configuration. |
| Stream disconnects or reconnects repeatedly | Network interruption, host instability, thermal issue, or an encoder process failure. | Review FFmpeg output and YouTube health messages, verify power and cooling, and test the upload connection under sustained load. |
Or let it run in the cloud
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