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If FFmpeg exits, it stops sending media to YouTube. First find out why the process stopped, then check whether YouTube is receiving data and whether the stream configuration is healthy. For unattended recovery, use a process supervisor to restart FFmpeg after an unexpected exit—but a restart alone cannot guarantee YouTube will accept the next connection.
1. Confirm what actually stopped
Record the time of the incident, FFmpeg’s exit status, and its final log lines. The offline player alone does not identify the cause.
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- FFmpeg exited: investigate the last input, decoding, or output error before changing settings.
- FFmpeg is still running: check whether its input is stalled or whether output packets are reaching YouTube. A running process does not prove that media is being sent.
Keep logs useful but private: never expose your stream key in a public log, support ticket, screenshot, or source-control repository.
Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Scan for outdated or missing drivers - takes under a minute3Clear out junk files and repair common Windows errors2. Check YouTube’s stream status and health
In YouTube Live Control Room, inspect the stream’s current status and health diagnostics. YouTube’s Live Streaming API defines active as data being received and inactive as no data being received. It also reports health such as good, ok, bad, or noData, along with configuration issues where applicable. These are separate clues from what viewers see in the player. YouTube Live Streaming API: liveStreams
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- Inactive or noData: check whether FFmpeg is producing frames and audio and whether output is reaching the configured ingest address. The API describes
noDataas the backend lacking health information. - Bad health or a configuration issue: address the specific reported issue instead of randomly changing bitrate or codecs.
- Active but the player is offline: compare the stream state and Live Control Room diagnostics; the viewer-facing state alone is not a complete diagnosis.
3. Verify the ingest URL, protocol, and key
Compare FFmpeg’s output destination and key with the current values in Live Control Room. Do not assume an old URL or key remains valid. YouTube says to retrieve the RTMPS URL from the Stream URL control and use the stream key shown there; for connection timeouts, verify the URL and protocol and confirm that the encoder supports RTMPS. YouTube describes RTMPS as a secure extension to RTMP. Encrypt your stream using RTMPS
If the final FFmpeg error points to an output or connection failure, check the URL, protocol, key, outbound network reachability, and YouTube’s stream health. Protect the key while inspecting or sharing logs.
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4. Match the fix to FFmpeg’s last error
Input, read, or decode error
Check that the source is accessible and decodable, and determine whether it is a finite file, a looping file, or a live source. A file reaching its end is not the same failure as an endless source disappearing. Choose a loop or input-recovery strategy that fits the source; an output reconnect option cannot make a finished input produce more media.
Output or connection error
Verify the current ingest destination and stream key, the selected protocol, network reachability, and the YouTube health report. For RTMPS timeout or SSL errors, YouTube’s guidance specifically calls for checking the server URL and protocol and confirming encoder RTMPS support. YouTube RTMPS guidance
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FFmpeg remains alive but YouTube receives no data
Investigate whether frames and audio are still being generated, and whether packets are leaving the sender for the configured ingest address. A process can stay alive while its input or output has stalled.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.5. Understand what FFmpeg reconnect options can—and cannot—do
FFmpeg documents options such as reconnect, reconnect_at_eof, and reconnect_on_network_error in its HTTP protocol documentation. Those options describe HTTP reconnection behavior; they do not establish a universal RTMP or RTMPS output-recovery switch for YouTube. Check the transport used by your command and the documentation for the FFmpeg version installed on your machine before adding options. FFmpeg HTTP protocol options · FFmpeg documentation
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6. Keep an unattended FFmpeg process running
For a process that must recover without someone watching it, run FFmpeg under your operating system’s service manager or another process supervisor. Configure it to restart after an unexpected exit, retain logs, and avoid a rapid, unbounded restart loop. The exact setup depends on your operating system and supervisor, so use its current documentation rather than copying an unverified service file.
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- Make the command reliable first. Confirm the input, output URL, protocol, key handling, and logs in a controlled manual run.
- Set a bounded restart policy. Restart on failure, but limit repeated attempts or add a delay so a persistent configuration error does not create a restart storm.
- Keep diagnostic logs. Retain enough output to see the exit time, exit status, and last FFmpeg error without exposing the stream key.
- Test a controlled failure. Stop or interrupt the process deliberately, then confirm that the supervisor restarts it and that YouTube receives data again.
A supervisor restores the sending process; it does not repair the underlying cause or guarantee YouTube-side acceptance. There is no universal recovery delay established here.
7. Know what backup ingest does
YouTube documents primary and backup ingest addresses and describes sending the same content to the backup as optional simultaneous streaming. A backup address is not an automatic second sender when a lone FFmpeg process exits. Redundant ingest requires an encoder capable of sending to both destinations and compatible stream settings. YouTube Live Streaming API: liveStreams
8. If you do not want to supervise FFmpeg at home
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