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只有原版的[FAQ](FAQ.md)会保持更新。 | ||
本文根据[d6aaa5]翻译。 | ||
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[d6aaa5]:https://github.com/Genymobile/scrcpy/blob/d6aaa5bf9aa3710660c683b6e3e0ed971ee44af5/FAQ.md | ||
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# 常见问题 | ||
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这里是一些常见的问题以及他们的状态。 | ||
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## `adb` 相关问题 | ||
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`scrcpy` 执行 `adb` 命令来初始化和设备之间的连接。如果`adb` 执行失败了, scrcpy 就无法工作。 | ||
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在这种情况中,将会输出这个错误: | ||
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> ERROR: "adb push" returned with value 1 | ||
这通常不是 _scrcpy_ 的bug,而是你的环境的问题。 | ||
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要找出原因,请执行以下操作: | ||
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```bash | ||
adb devices | ||
``` | ||
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### 找不到`adb` | ||
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你的`PATH`中需要能访问到`adb`。 | ||
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在Windows上,当前目录会包含在`PATH`中,并且`adb.exe`也包含在发行版中,因此它应该是开箱即用(直接解压就可以)的。 | ||
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### 设备未授权 | ||
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参见这里 [stackoverflow][device-unauthorized]. | ||
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[device-unauthorized]: https://stackoverflow.com/questions/23081263/adb-android-device-unauthorized | ||
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### 未检测到设备 | ||
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> adb: error: failed to get feature set: no devices/emulators found | ||
确认已经正确启用 [adb debugging][enable-adb]. | ||
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如果你的设备没有被检测到,你可能需要一些[驱动][drivers] (在 Windows上). | ||
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[enable-adb]: https://developer.android.com/studio/command-line/adb.html#Enabling | ||
[drivers]: https://developer.android.com/studio/run/oem-usb.html | ||
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### 已连接多个设备 | ||
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如果连接了多个设备,您将遇到以下错误: | ||
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> adb: error: failed to get feature set: more than one device/emulator | ||
必须提供要镜像的设备的标识符: | ||
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```bash | ||
scrcpy -s 01234567890abcdef | ||
``` | ||
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注意,如果你的设备是通过 TCP/IP 连接的, 你将会收到以下消息: | ||
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> adb: error: more than one device/emulator | ||
> ERROR: "adb reverse" returned with value 1 | ||
> WARN: 'adb reverse' failed, fallback to 'adb forward' | ||
这是意料之中的 (由于旧版安卓的一个bug, 请参见 [#5]),但是在这种情况下,scrcpy会退回到另一种方法,这种方法应该可以起作用。 | ||
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[#5]: https://github.com/Genymobile/scrcpy/issues/5 | ||
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### adb版本之间冲突 | ||
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> adb server version (41) doesn't match this client (39); killing... | ||
同时使用多个版本的`adb`时会发生此错误。你必须查找使用不同`adb`版本的程序,并在所有地方使用相同版本的`adb`。 | ||
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你可以覆盖另一个程序中的`adb`二进制文件,或者通过设置`ADB`环境变量来让 _scrcpy_ 使用特定的`adb`二进制文件。 | ||
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```bash | ||
set ADB=/path/to/your/adb | ||
scrcpy | ||
``` | ||
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### 设备断开连接 | ||
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如果 _scrcpy_ 在警告“设备连接断开”的情况下自动中止,那就意味着`adb`连接已经断开了。 | ||
请尝试使用另一条USB线或者电脑上的另一个USB接口。 | ||
请参看 [#281] 和 [#283]。 | ||
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[#281]: https://github.com/Genymobile/scrcpy/issues/281 | ||
[#283]: https://github.com/Genymobile/scrcpy/issues/283 | ||
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## 控制相关问题 | ||
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### 鼠标和键盘不起作用 | ||
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在某些设备上,您可能需要启用一个选项以允许 [模拟输入][simulating input]。 | ||
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在开发者选项中,打开: | ||
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> **USB调试 (安全设置)** | ||
> _允许通过USB调试修改权限或模拟点击_ | ||
[simulating input]: https://github.com/Genymobile/scrcpy/issues/70#issuecomment-373286323 | ||
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### 特殊字符不起作用 | ||
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可输入的文本[被限制为ASCII字符][text-input]。也可以用一些小技巧输入一些[带重音符号的字符][accented-characters],但是仅此而已。参见[#37]。 | ||
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[text-input]: https://github.com/Genymobile/scrcpy/issues?q=is%3Aopen+is%3Aissue+label%3Aunicode | ||
[accented-characters]: https://blog.rom1v.com/2018/03/introducing-scrcpy/#handle-accented-characters | ||
[#37]: https://github.com/Genymobile/scrcpy/issues/37 | ||
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## 客户端相关问题 | ||
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### 效果很差 | ||
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如果你的客户端窗口分辨率比你的设备屏幕小,则可能出现效果差的问题,尤其是在文本上(参见 [#40])。 | ||
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[#40]: https://github.com/Genymobile/scrcpy/issues/40 | ||
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为了提升降尺度的质量,如果渲染器是OpenGL并且支持mip映射,就会自动开启三线性过滤。 | ||
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在Windows上,你可能希望强制使用OpenGL: | ||
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``` | ||
scrcpy --render-driver=opengl | ||
``` | ||
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你可能还需要配置[缩放行为][scaling behavior]: | ||
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> `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 | ||
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### Wayland相关的问题 | ||
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在Linux上,SDL默认使用x11。可以通过`SDL_VIDEODRIVER`环境变量来更改[视频驱动][video driver]: | ||
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[video driver]: https://wiki.libsdl.org/FAQUsingSDL#how_do_i_choose_a_specific_video_driver | ||
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```bash | ||
export SDL_VIDEODRIVER=wayland | ||
scrcpy | ||
``` | ||
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在一些发行版上 (至少包括 Fedora), `libdecor` 包必须手动安装。 | ||
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参见 [#2554] 和 [#2559]。 | ||
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[#2554]: https://github.com/Genymobile/scrcpy/issues/2554 | ||
[#2559]: https://github.com/Genymobile/scrcpy/issues/2559 | ||
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### KWin compositor 崩溃 | ||
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在Plasma桌面中,当 _scrcpy_ 运行时,会禁用compositor。 | ||
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一种解决方法是, [禁用 "Block compositing"][kwin]. | ||
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[kwin]: https://github.com/Genymobile/scrcpy/issues/114#issuecomment-378778613 | ||
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## 崩溃 | ||
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### 异常 | ||
可能有很多原因。一个常见的原因是您的设备无法按给定清晰度进行编码: | ||
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> ``` | ||
> 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 | ||
> ``` | ||
或者 | ||
> ``` | ||
> ERROR: Exception on thread Thread[main,5,main] | ||
> java.lang.IllegalStateException | ||
> at android.media.MediaCodec.native_dequeueOutputBuffer(Native Method) | ||
> ``` | ||
请尝试使用更低的清晰度: | ||
``` | ||
scrcpy -m 1920 | ||
scrcpy -m 1024 | ||
scrcpy -m 800 | ||
``` | ||
你也可以尝试另一种 [编码器](README.md#encoder)。 | ||
## Windows命令行 | ||
一些Windows用户不熟悉命令行。以下是如何打开终端并带参数执行`scrcpy`: | ||
1. 按下 <kbd>Windows</kbd>+<kbd>r</kbd>,打开一个对话框。 | ||
2. 输入 `cmd` 并按 <kbd>Enter</kbd>,这样就打开了一个终端。 | ||
3. 通过输入以下命令,切换到你的 _scrcpy_ 所在的目录 (根据你的实际位置修改路径): | ||
```bat | ||
cd C:\Users\user\Downloads\scrcpy-win64-xxx | ||
``` | ||
然后按 <kbd>Enter</kbd> | ||
4. 输入你的命令。比如: | ||
```bat | ||
scrcpy --record file.mkv | ||
``` | ||
如果你打算总是使用相同的参数,在`scrcpy`目录创建一个文件 `myscrcpy.bat` | ||
(启用 [显示文件拓展名][show file extensions] 避免混淆),文件中包含你的命令。例如: | ||
```bat | ||
scrcpy --prefer-text --turn-screen-off --stay-awake | ||
``` | ||
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然后双击刚刚创建的文件。 | ||
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你也可以编辑 `scrcpy-console.bat` 或者 `scrcpy-noconsole.vbs`(的副本)来添加参数。 | ||
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[show file extensions]: https://www.howtogeek.com/205086/beginner-how-to-make-windows-show-file-extensions/ |
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