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# ScrCpy
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This project displays screens of Android devices plugged on USB in live.
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## Run
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### Runtime requirements
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This projects requires _FFmpeg_, _LibSDL2_ and _LibSDL2-net_.
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#### Linux
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Install the packages from your package manager. For example, on Debian:
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sudo apt install ffmpeg libsdl2-2.0.0 libsdl2-net-2.0.0
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#### Windows
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From [MSYS2]:
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pacman -S mingw-w64-x86_64-SDL2
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pacman -S mingw-w64-x86_64-SDL2_net
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pacman -S mingw-w64-x86_64-ffmpeg
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[MSYS2]: http://www.msys2.org/
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#### MacOS
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TODO
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## Build
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The project is divided into two parts:
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- the server, running on the device (in `server/`);
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- the client, running on the computer (in `app/`).
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The server is a raw Java project requiring Android SDK. It not an Android
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project: the target file is a `.jar`, and a `main()` method is executed with
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_shell_ rights.
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The client is a C project using [SDL] and [FFmpeg], built with [Meson]/[Ninja].
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The root directory contains a `Makefile` to build both parts.
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[sdl]: https://www.libsdl.org/
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[ffmpeg]: https://www.ffmpeg.org/
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[meson]: http://mesonbuild.com/
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[ninja]: https://ninja-build.org/
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### Build requirements
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Install the [Android SDK], the JDK 8 (`openjdk-8-jdk`), and the packages
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described below.
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[Android SDK]: https://developer.android.com/studio/index.html
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#### Linux
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sudo apt install make gcc openjdk-8-jdk pkg-config meson zip \
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libavcodec-dev libavformat-dev libavutil-dev \
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libsdl2-dev libsdl2-net-dev
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#### Windows
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Install these packages:
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pacman -S mingw-w64-x86_64-make
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pacman -S mingw-w64-x86_64-gcc
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pacman -S mingw-w64-x86_64-pkg-config
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pacman -S mingw-w64-x86_64-meson
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pacman -S zip
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Java 8 is not available in MSYS2, so install it manually and make it available
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from the `PATH`:
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export PATH="$JAVA_HOME/bin:$PATH"
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### Build
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Make sure your `ANDROID_HOME` variable is set to your Android SDK directory:
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export ANDROID_HOME=~/android/sdk
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From the project root directory, execute:
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make build
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To run the build:
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make run
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It is also pass arguments to `scrcpy` via `make`:
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make run ARGS="-p 1234"
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The purpose of this command is to execute `scrcpy` during the development.
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### Test
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To execute unit tests:
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make test
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The server-side tests require JUnit 4:
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sudo apt install junit4
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### Generate a release
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From the project root directory, execute:
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make release
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This will generate the application in `dist/scrcpy/`.
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## Run
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Plug a device, and from `dist/scrcpy/`, execute:
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./scrcpy
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If several devices are listed in `adb devices`, you must specify the _serial_:
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./scrcpy 0123456789abcdef
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To change the default port (useful to launch several `scrcpy` simultaneously):
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./scrcpy -p 1234
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Other options are available, check `scrcpy --help`.
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