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Romain Vimont 2019-08-14 22:24:26 +02:00
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FAQ.md
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@ -1,10 +1,5 @@
# Frequently Asked Questions
## Common issues
The application is very young, it is not unlikely that you encounter problems
with it.
Here are the common reported problems and their status.
@ -20,9 +15,13 @@ Windows may need some [drivers] to detect your device.
[drivers]: https://developer.android.com/studio/run/oem-usb.html
### Mouse clicks do not work
### I can only mirror, I cannot interact with the device
On some devices, you may need to enable an option to allow [simulating input].
In developer options, enable:
> **USB debugging (Security settings)**
> _Allow granting permissions and simulating input via USB debugging_
[simulating input]: https://github.com/Genymobile/scrcpy/issues/70#issuecomment-373286323
@ -43,6 +42,16 @@ meson x --buildtype release -Dhidpi_support=false
However, the video will be displayed at lower resolution.
### The quality is low on HiDPI display
On Windows, you may need to configure the [scaling behavior].
> `scrcpy.exe` > Properties > Compatibility > Change high DPI settings >
> Override high DPI scaling behavior > Scaling performed by: _Application_.
[scaling behavior]: https://github.com/Genymobile/scrcpy/issues/40#issuecomment-424466723
### KWin compositor crashes
On Plasma Desktop, compositor is disabled while _scrcpy_ is running.
@ -50,3 +59,26 @@ On Plasma Desktop, compositor is disabled while _scrcpy_ is running.
As a workaround, [disable "Block compositing"][kwin].
[kwin]: https://github.com/Genymobile/scrcpy/issues/114#issuecomment-378778613
### I get an error "Could not open video stream"
There may be many reasons. One common cause is that the hardware encoder of your
device is not able to encode at the given definition:
```
ERROR: Exception on thread Thread[main,5,main]
android.media.MediaCodec$CodecException: Error 0xfffffc0e
...
Exit due to uncaughtException in main thread:
ERROR: Could not open video stream
INFO: Initial texture: 1080x2336
```
Just try with a lower definition:
```
scrcpy -m 1920
scrcpy -m 1024
scrcpy -m 800
```