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moonlight-qt/README.md
Cameron Gutman 76fd502262 Reintroduce support for FFmpeg 4 
Some SBCs still depend on patched FFmpeg 4.x builds for hardware acceleration.
2024-08-24 16:50:27 -05:00

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# Moonlight PC
[Moonlight PC](https://moonlight-stream.org) is an open source PC client for NVIDIA GameStream and [Sunshine](https://github.com/LizardByte/Sunshine).
Moonlight also has mobile versions for [Android](https://github.com/moonlight-stream/moonlight-android) and [iOS](https://github.com/moonlight-stream/moonlight-ios).
You can follow development on our [Discord server](https://moonlight-stream.org/discord) and help translate Moonlight into your language on [Weblate](https://hosted.weblate.org/projects/moonlight/moonlight-qt/).
[![AppVeyor Build Status](https://ci.appveyor.com/api/projects/status/glj5cxqwy2w3bglv/branch/master?svg=true)](https://ci.appveyor.com/project/cgutman/moonlight-qt/branch/master)
[![Downloads](https://img.shields.io/github/downloads/moonlight-stream/moonlight-qt/total)](https://github.com/moonlight-stream/moonlight-qt/releases)
[![Translation Status](https://hosted.weblate.org/widgets/moonlight/-/moonlight-qt/svg-badge.svg)](https://hosted.weblate.org/projects/moonlight/moonlight-qt/)
## Features
- Hardware accelerated video decoding on Windows, Mac, and Linux
- H.264, HEVC, and AV1 codec support (AV1 requires Sunshine and a supported host GPU)
- HDR streaming support
- 7.1 surround sound audio support
- 10-point multitouch support (Sunshine only)
- Gamepad support with force feedback and motion controls for up to 16 players
- Support for both pointer capture (for games) and direct mouse control (for remote desktop)
- Support for passing system-wide keyboard shortcuts like Alt+Tab to the host
## Downloads
- [Windows, macOS, and Steam Link](https://github.com/moonlight-stream/moonlight-qt/releases)
- [Snap (for Ubuntu-based Linux distros)](https://snapcraft.io/moonlight)
- [Flatpak (for other Linux distros)](https://flathub.org/apps/details/com.moonlight_stream.Moonlight)
- [AppImage](https://github.com/moonlight-stream/moonlight-qt/releases)
- [Raspberry Pi 4 and 5](https://github.com/moonlight-stream/moonlight-docs/wiki/Installing-Moonlight-Qt-on-Raspberry-Pi-4)
- [Generic ARM 32-bit and 64-bit Debian packages](https://github.com/moonlight-stream/moonlight-docs/wiki/Installing-Moonlight-Qt-on-ARM%E2%80%90based-Single-Board-Computers) (not for Raspberry Pi)
- [Experimental RISC-V Debian packages](https://github.com/moonlight-stream/moonlight-docs/wiki/Installing-Moonlight-Qt-on-RISC%E2%80%90V-Single-Board-Computers)
- [NVIDIA Jetson and Nintendo Switch (Ubuntu L4T)](https://github.com/moonlight-stream/moonlight-docs/wiki/Installing-Moonlight-Qt-on-Linux4Tegra-(L4T)-Ubuntu)
#### Special Thanks
[![Hosted By: Cloudsmith](https://img.shields.io/badge/OSS%20hosting%20by-cloudsmith-blue?logo=cloudsmith&style=flat-square)](https://cloudsmith.com)
Hosting for Moonlight's Debian and L4T package repositories is graciously provided for free by [Cloudsmith](https://cloudsmith.com).
## Building
### Windows Build Requirements
* Qt 5.15 SDK or later. Qt 6 is also supported for x64 and ARM64 builds.
* [Visual Studio 2022](https://visualstudio.microsoft.com/downloads/) (Community edition is fine)
* Select **MSVC** option during Qt installation. MinGW is not supported.
* [7-Zip](https://www.7-zip.org/) (only if building installers for non-development PCs)
### macOS Build Requirements
* Qt 6.4 SDK or later
* Xcode 13 or later
* [create-dmg](https://github.com/sindresorhus/create-dmg) (only if building DMGs for use on non-development Macs)
### Linux/Unix Build Requirements
* Qt 6 is recommended, but Qt 5.9 or later is also supported (replace `qmake6` with `qmake` when using Qt 5).
* GCC or Clang
* FFmpeg 4.0 or later
* Install the required packages:
* Debian/Ubuntu:
* Base Requirements: `libegl1-mesa-dev libgl1-mesa-dev libopus-dev libsdl2-dev libsdl2-ttf-dev libssl-dev libavcodec-dev libavformat-dev libswscale-dev libva-dev libvdpau-dev libxkbcommon-dev wayland-protocols libdrm-dev`
* Qt 6 (Recommended): `qt6-base-dev qt6-declarative-dev libqt6svg6-dev qml6-module-qtquick-controls qml6-module-qtquick-templates qml6-module-qtquick-layouts qml6-module-qtqml-workerscript qml6-module-qtquick-window qml6-module-qtquick`
* Qt 5: `qtbase5-dev qt5-qmake qtdeclarative5-dev qtquickcontrols2-5-dev qml-module-qtquick-controls2 qml-module-qtquick-layouts qml-module-qtquick-window2 qml-module-qtquick2 qtwayland5`
* RedHat/Fedora (RPM Fusion repo required):
* Base Requirements: `openssl-devel SDL2-devel SDL2_ttf-devel ffmpeg-devel libva-devel libvdpau-devel opus-devel pulseaudio-libs-devel alsa-lib-devel libdrm-devel`
* Qt 6 (Recommended): `qt6-qtsvg-devel qt6-qtdeclarative-devel`
* Qt 5: `qt5-qtsvg-devel qt5-qtquickcontrols2-devel`
* Building the Vulkan renderer requires a `libplacebo-dev`/`libplacebo-devel` version of at least v7.349.0 and FFmpeg 6.1 or later.
### Steam Link Build Requirements
* [Steam Link SDK](https://github.com/ValveSoftware/steamlink-sdk) cloned on your build system
* STEAMLINK_SDK_PATH environment variable set to the Steam Link SDK path
### Build Setup Steps
1. Install the latest Qt SDK (and optionally, the Qt Creator IDE) from https://www.qt.io/download
* You can install Qt via Homebrew on macOS, but you will need to use `brew install qt --with-debug` to be able to create debug builds of Moonlight.
* You may also use your Linux distro's package manager for the Qt SDK as long as the packages are Qt 5.9 or later.
* This step is not required for building on Steam Link, because the Steam Link SDK includes Qt 5.14.
2. Run `git submodule update --init --recursive` from within `moonlight-qt/`
3. Open the project in Qt Creator or build from qmake on the command line.
* To build a binary for use on non-development machines, use the scripts in the `scripts` folder.
* For Windows builds, use `scripts\build-arch.bat` and `scripts\generate-bundle.bat`. Execute these scripts from the root of the repository within a Qt command prompt. Ensure 7-Zip binary directory is on your `%PATH%`.
* For macOS builds, use `scripts/generate-dmg.sh`. Execute this script from the root of the repository and ensure Qt's `bin` folder is in your `$PATH`.
* For Steam Link builds, run `scripts/build-steamlink-app.sh` from the root of the repository.
* To build from the command line for development use on macOS or Linux, run `qmake6 moonlight-qt.pro` then `make debug` or `make release`
* To create an embedded build for a single-purpose device, use `qmake6 "CONFIG+=embedded" moonlight-qt.pro` and build normally.
* This build will lack windowed mode, Discord/Help links, and other features that don't make sense on an embedded device.
* For platforms with poor GPU performance, add `"CONFIG+=gpuslow"` to prefer direct KMSDRM rendering over GL/Vulkan renderers. Direct KMSDRM rendering can use dedicated YUV/RGB conversion and scaling hardware rather than slower GPU shaders for these operations.
## Contribute
1. Fork us
2. Write code
3. Send Pull Requests
Check out our [website](https://moonlight-stream.org) for project links and information.
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