2018-03-11 17:34:11 +08:00
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# Frequently Asked Questions
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## Common issues
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The application is very young, it is not unlikely that you encounter problems
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with it.
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Here are the common reported problems and their status.
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### On Windows, I have no output in the console
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When run in `cmd.exe`, the application does not print anything. Even `scrcpy
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--help` have no output. We don't know why yet.
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However, if you run the very same `scrcpy.exe` from
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[MSYS2](https://www.msys2.org/) (`mingw64`), then it correctly prints output.
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2018-03-23 16:57:45 +08:00
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As a workaround, redirect outputs to files, so that you can read the files
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afterwards:
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```bash
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scrcpy >stdout 2>stderr
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type stdout
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type stderr
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```
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_Note that all SDL logs are printed to stderr._
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2018-03-11 17:34:11 +08:00
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### On Windows, when I start the application, nothing happens
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The previous problem does not help to get a clue about the cause.
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The most common is your device not being detected by `adb`, or is unauthorized.
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Check everything is ok by calling:
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adb devices
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Windows may need some [drivers] to detect your device.
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[drivers]: https://developer.android.com/studio/run/oem-usb.html
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If you still encounter problems, please see [issue 9].
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[issue 9]: https://github.com/Genymobile/scrcpy/issues/9
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### I get a black screen for some applications like Silence
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This is expected, they requested to protect the screen.
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In [Silence], you can disable it in settings → Privacy → Screen security.
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[silence]: https://f-droid.org/en/packages/org.smssecure.smssecure/
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See [issue 36].
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[issue 36]: https://github.com/Genymobile/scrcpy/issues/36
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2018-03-15 16:29:14 +08:00
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### Mouse clicks do not work
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On some devices, you may need to enable an option to allow [simulating input].
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[simulating input]: https://github.com/Genymobile/scrcpy/issues/70#issuecomment-373286323
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2018-03-11 17:34:11 +08:00
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### Mouse clicks at wrong location
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On MacOS, with HiDPI support and multiple screens, input location are wrongly
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scaled. See [issue 15].
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[issue 15]: https://github.com/Genymobile/scrcpy/issues/15
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A workaround is to build with HiDPI support disabled:
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```bash
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meson x --buildtype release -Dhidpi_support=false
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```
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However, the video will be displayed at lower resolution.
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2018-04-05 08:03:26 +08:00
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### KWin compositor crashes
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On Plasma Desktop, compositor is disabled while _scrcpy_ is running.
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As a workaround, [disable "Block compositing"][kwin].
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[kwin]: https://github.com/Genymobile/scrcpy/issues/114#issuecomment-378778613
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