Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Fix the driver behind crashes, sound loss and screen glitches3Clear out junk files and repair common Windows errorsFirst find out which connection failed: FFmpeg’s documented reconnect flags apply to HTTP input retrieval, not automatically to the RTMP or RTMPS output used to publish to YouTube. If the music source stopped loading, configure input retries for that source; if YouTube ingest disconnected, verify the RTMPS URL and stream key, then handle output recovery separately.
1. Identify whether the input or output failed
FFmpeg can be reading a media source while publishing a separate connection to YouTube. A failure on one side is not fixed by retry options for the other. Inspect the log around the first error and determine whether FFmpeg failed while opening or reading the input, or while opening or writing the output. FFmpeg documents the reconnect options below for HTTP; its RTMP protocol documentation is separate. See FFmpeg’s protocol documentation.
- Input failure: The source URL could not be opened, stopped responding, disconnected, returned an HTTP error, or reached EOF. Investigate the source protocol and retry behavior.
- Output failure: FFmpeg could not connect to or continue writing to YouTube. Check the publishing endpoint, key, network path, and whether the FFmpeg process exits; HTTP input retry flags do not provide a general RTMPS-output fix.
EOF is distinct from a network disconnect: it means the input reached its end. If a file is intended to play repeatedly, make sure the FFmpeg command actually loops that input; retrying an HTTP source at EOF is relevant to an endless or live HTTP source, not a substitute for configuring a local file playlist or loop.
2. Apply reconnect options only to an HTTP source
FFmpeg’s HTTP protocol options cover different conditions. Their availability and behavior can vary by installed build, so check the documentation and option help for the FFmpeg version actually running before relying on a default or a command copied from elsewhere.
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| Option | What it addresses |
|---|---|
reconnect |
Retries automatically after a disconnection that occurs before EOF. |
reconnect_at_eof |
Treats EOF as an error and retries. FFmpeg describes this as useful for “live / endless streams.” |
reconnect_on_network_error |
Retries TCP or TLS errors during connection setup. |
reconnect_on_http_error |
Retries for configured HTTP status codes. Specify the status codes appropriate to the source; this is not a catch-all for every response. |
reconnect_streamed |
Allows retry on errors for streamed or non-seekable inputs. |
These are HTTP protocol options, not universal reconnect switches. FFmpeg’s documentation also describes reconnect_delay_max, reconnect_max_retries, and reconnect_delay_total_max for bounding retry delay, attempt count, or total retry time. Check the installed version’s documented defaults rather than assuming they are the same across versions.
Put the options on the input they govern
In a command with an HTTP source and a YouTube publishing output, place HTTP options before that input’s -i argument. For example, the structure is:
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ffmpeg [HTTP input options] -i "SOURCE_URL" -f flv "RTMPS_URL/STREAM_KEY"
This is a command structure, not a complete production command: preserve the input’s required media options and the output format/settings for your actual source and broadcast. Replace the quoted values locally, and never paste a real stream key into a public command, log, screenshot, or support post.
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For an HTTP source that should reconnect at end-of-file, the relevant input-option pattern is -reconnect 1 -reconnect_at_eof 1 -reconnect_streamed 1 before -i. Add network-error or HTTP-status retry options only if those are the failure conditions you need to handle. A retry is an attempt to fetch again; it does not guarantee that the source server permits it or that playback resumes at the same position.
3. If YouTube publishing failed, verify RTMPS settings
- Open YouTube Live Control Room and retrieve the RTMPS ingest URL shown for the intended broadcast. YouTube describes RTMPS as RTMP carried over TLS/SSL; see YouTube’s RTMPS setup guidance and Google’s RTMPS ingest overview.
- Confirm FFmpeg is publishing to that URL and using the associated stream key. Check for accidental whitespace, a stale key, or a URL copied from another broadcast.
- Confirm the stream key belongs to the intended broadcast and has not been exposed. If it may have been exposed, replace or reset it in YouTube’s controls before publishing again.
- Read the FFmpeg output error at the point it writes to the publishing output. Do not add HTTP input flags merely because the YouTube output disconnected.
The sources document the RTMPS setup but do not establish one FFmpeg command that guarantees recovery from every RTMPS output failure. Check whether your FFmpeg process exits or remains alive after the failure. If it exits, an operator or a separate process supervisor must restart it; if it remains alive, determine whether it is still attempting output or is stalled. Plan how repeated failures will be detected, and test the behavior on your actual FFmpeg build and YouTube setup before depending on it for continuous operation.
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4. Troubleshoot by symptom
| Symptom | Likely distinction | What to check or change |
|---|---|---|
| HTTP source disconnects before it ends | Input connection failure | Use the input’s HTTP reconnect behavior, including reconnect; check whether the source supports retries. |
| HTTP input reaches EOF but should be endless | Input ended, rather than a publishing disconnect | For a live/endless HTTP source, consider reconnect_at_eof. For a finite file intended to repeat, configure looping separately. |
| TCP/TLS connection to an HTTP source fails | Input connection setup error | Consider reconnect_on_network_error and confirm the source URL and network reachability. |
| HTTP server returns an error response | Input received an HTTP status | Use reconnect_on_http_error only for the status codes you intend to retry; investigate authorization, availability, or URL issues as well. |
| Non-seekable or streamed HTTP source errors | Input may not support seeking | Consider reconnect_streamed; do not assume the retried source resumes seamlessly. |
| YouTube output cannot connect or stops accepting the stream | RTMP/RTMPS publishing failure | Recheck the Live Control Room RTMPS URL and associated key. Treat process restart and failure monitoring as separate recovery tasks. |
| Retries continue too long or stop too soon | Retry policy does not fit the intended recovery window | Review reconnect_delay_max, reconnect_max_retries, and reconnect_delay_total_max for the installed FFmpeg version. |
5. Test recovery before relying on a 24/7 stream
- Record which connection failed, the protocol, and the triggering condition: disconnect, EOF, network setup error, HTTP response, or publishing write failure.
- Test HTTP-input retry behavior independently from interruption of the YouTube output.
- Observe whether FFmpeg retries, exits, or remains running after each test, and confirm how an operator or supervisor detects repeated failures.
- Confirm the YouTube broadcast receives the intended source after recovery. Do not assume a retry resumes at the same media position or that an output interruption is seamless.
- Keep real stream keys out of test reports and logs shared with others.
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