To reconnect a podcast stream when its HTTP(S) source drops, put FFmpeg’s HTTP reconnect options before that source’s -i. These options recover the input; they do not guarantee recovery if the YouTube publishing connection drops or if FFmpeg exits. Plan and test those as separate failure cases.
Set reconnect options on the HTTP input
Use the following as an illustrative template for an HTTP(S) audio or media source. It is not a tested, universal command: adapt the input, stream mapping, encoding, and YouTube destination to your setup.
ffmpeg
-reconnect 1
-reconnect_streamed 1
-reconnect_at_eof 1
-reconnect_on_network_error 1
-reconnect_delay_max 30
-i "$SOURCE_URL"
-c:v libx264 -c:a aac
-f flv "$YOUTUBE_RTMPS_URL/$STREAM_KEY"- Replace
$SOURCE_URLwith the actual HTTP(S) input. Confirm the source is reachable and that its terms allow rebroadcasting. - Keep the reconnect options before the
-ithey configure. In a command with multiple inputs, place each input’s protocol options before its corresponding-i. - Replace the illustrative encoding and mapping with settings appropriate to the actual media. A podcast that has no video may need an audio-only output rather than the sample’s video encoder option.
- Use the RTMPS server URL and stream key shown in YouTube Live Control Room. Keep the key secret; do not put it in public scripts, logs, or shared command history.
- Check that the installed FFmpeg build supports the selected options, then test a controlled source interruption before relying on the command.
These are HTTP protocol options, not universal switches for every kind of input or an all-purpose RTMP(S) output recovery setting. The current FFmpeg Protocols Documentation describes the options under its HTTP protocol section.
What each HTTP reconnect option does
-reconnect 1reconnects when the HTTP connection is disconnected before EOF.-reconnect_streamed 1permits reconnects for streamed, non-seekable inputs.-reconnect_at_eof 1treats EOF as an error and reconnects. FFmpeg describes this as useful for “live / endless streams.” Use it when the source may close cleanly at EOF even though you expect it to continue.-reconnect_on_network_error 1retries TCP or TLS errors during connection establishment.-reconnect_on_http_error 5xxretries the listed HTTP error codes. You can specify a deliberate list such as429,5xxif appropriate for the source. Avoid blindly retrying permanent errors such as authentication or other client errors; repeated requests will not fix invalid credentials or access.-reconnect_delay_max 30sets the maximum delay, in seconds, according to the option’s documented behavior. FFmpeg also documents retry-count and total-delay controls; consult documentation for your installed version and choose bounds deliberately.
The options address different failure conditions, so choose them for the source’s behavior rather than treating them as interchangeable. Availability and exact behavior can depend on the FFmpeg version and build.
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Separate input, publishing, and process failures
An always-on relay has at least three distinct failure points. HTTP input reconnect settings cover only a matching HTTP input; they do not show that FFmpeg will restore a failed YouTube publishing connection, and they do not restart a terminated FFmpeg process.
| What failed | Relevant recovery layer | What to test |
|---|---|---|
| HTTP source disconnects or reaches EOF | FFmpeg HTTP reconnect options on that input | Whether the source returns, and how retry and delay limits behave |
| YouTube RTMP(S) publishing connection disconnects | Diagnose the output and network separately; use supported output-specific handling or an external restart strategy | Whether publishing reconnects to ingest, how the YouTube live event behaves, and what stream health reports |
| FFmpeg process exits | An external supervisor or wrapper restarts the process | Restart-loop control, configuration and secret availability, and event continuity |
A process supervisor is a separate configuration. Set an intentional restart policy so a persistent error does not create a rapid loop, and verify what happens to the scheduled YouTube event when the encoder restarts. A restart may cause an interruption; the outcome can depend on the event and account settings.
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Configure YouTube ingest and test the full path
YouTube’s encoder guidance recommends RTMPS, lists RTMP and RTMPS as supported streaming protocols, and recommends constant bitrate (CBR). It recommends a two-second keyframe frequency and says not to exceed four seconds. Its listed live codecs include H.264, H.265/HEVC, and AV1; audio guidance lists AAC or MP3. Use the actual server URL and stream key from Live Control Room, and confirm the settings there for your event.
These ingest recommendations help with compatibility and diagnosis; they do not replace reconnect logic. YouTube advises testing before going live and monitoring stream health during the event.
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- Identify whether the interruption is on the source-read side, in encoding or the FFmpeg process, on the network, or on the YouTube publishing side. Use FFmpeg logs and YouTube stream-health messages instead of assuming every failure is an input problem.
- Confirm the source protocol. Apply the HTTP options only to an HTTP(S) input; do not copy them blindly to RTSP, local-file, or capture-device inputs.
- Check option spelling and support in the installed build’s help or version-specific documentation. Confirm options appear before the intended input’s
-i. - Choose finite retry and delay bounds that fit the source and your operating requirements. Know what the command does when a retry limit or delay bound is reached.
- Test source loss, network loss, and publishing loss separately. Verify recovery, supervision, alerts, and YouTube stream health before depending on the stream.
Troubleshooting common reconnect problems
The source drops, but FFmpeg does not reconnect
- Check whether the input is actually HTTP(S). These flags are documented for the HTTP protocol, not as generic reconnect options for every input.
- Confirm the options occur before the correct
-i. With multiple inputs, options placed before another input will not configure the intended one. - Check whether the source returned an EOF, a network error, an HTTP status, or an authentication failure. Choose options for the observed condition; retries cannot repair invalid credentials or a permanently unavailable source.
- Verify the installed FFmpeg version/build supports the options, and inspect logs to see whether retry limits or delays have been exhausted.
YouTube stops receiving the stream while the source remains available
That points to publishing or network recovery, not necessarily an HTTP input failure. Inspect FFmpeg output logs and YouTube stream-health messages, confirm the configured ingest URL and stream key, and test the output recovery strategy separately. The HTTP reconnect flags alone do not establish RTMP(S) publishing recovery.
FFmpeg exits and the stream stays down
Input reconnect settings cannot restart a process that has stopped. Configure and test an external supervisor or wrapper, with safeguards against a rapid restart loop. Check how a new FFmpeg process reconnects to the scheduled event and whether the stream resumes as expected.
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The stream returns, but YouTube reports poor health
Review the encoder and ingest settings as well as the failure logs. YouTube recommends CBR, a two-second keyframe frequency (no more than four seconds), and pre-event testing; monitor stream health while the event is running. Reconnect success by itself does not establish that the resumed stream is healthy.
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