mirror of
https://github.com/scottlamb/moonfire-nvr.git
synced 2024-12-27 15:45:55 -05:00
d7a0cb9a7c
The 091217b workaround of telling ffmpeg to only request the video
stream works perfectly fine for now. I'll revisit when adding audio
support (#34).
Fixes #36
50 lines
2.1 KiB
Markdown
50 lines
2.1 KiB
Markdown
# Troubleshooting
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## Logs
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While Moonfire NVR is running, logs will be written to stderr.
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* When running `moonfire-nvr config`, you typically should redirect stderr
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to a text file to avoid poor interaction between the interactive stdout
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output and the logging.
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* When running through systemd, stderr will be redirected to the journal.
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Try `sudo journalctl --unit moonfire-nvr` to view the logs. You also
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likely want to set `MOONFIRE_FORMAT=google-systemd` to format logs as
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expected by systemd.
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Logging options are controlled by environmental variables:
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* `MOONFIRE_LOG` controls the log level. Its format is similar to the
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`RUST_LOG` variable used by the
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[env-logger](http://rust-lang-nursery.github.io/log/env_logger/) crate.
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`MOONFIRE_LOG=info` is the default.
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`MOONFIRE_LOG=info,moonfire_nvr=debug` gives more detailed logging of the
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`moonfire_nvr` crate itself.
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* `MOONFIRE_FORMAT` selects the output format. The two options currently
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accepted are `google` (the default, like the Google
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[glog](https://github.com/google/glog) package) and `google-systemd` (a
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variation for better systemd compatibility).
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## Problems
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### `Error: pts not monotonically increasing; got 26615520 then 26539470`
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If your streams cut out with an error message like this one, it might mean
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that your camera outputs [B
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frames](https://en.wikipedia.org/wiki/Video_compression_picture_types#Bi-directional_predicted_.28B.29_frames.2Fslices_.28macroblocks.29).
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If you believe this is the case, file a feature request; Moonfire NVR
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currently doesn't support B frames. You may be able to configure your camera
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to disable B frames in the meantime.
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### `moonfire-nvr config` displays garbage
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This happens if your machine is configured to a non-UTF-8 locale, due to
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gyscos/Cursive#13. As a workaround, type `export LC_ALL=en_US.UTF-8` prior to
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running `moonfire-nvr config`.
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### Logging in is very very slow
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Ensure you're using a build compiled with the `--release` flag. See
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[libpasta/libpasta#9](https://github.com/libpasta/libpasta/issues/9) for more
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background.
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