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README
Apache-2.0

鎏光云游戏引擎

简体中文 | English

鎏光云游戏引擎是金山云边缘计算团队开发的一套服务于云游戏场景的技术集合。

云游戏引擎是一种将普通游戏云化的技术,分为服务端引擎和客户端引擎两部分,其中服务端最为复杂。鎏光还处于开发期,目前已经开源最为复杂的服务端引擎部分,客户端完善之后也将开源。

我们先起了中文名鎏光,再根据读音起英文名 Regame,然后发现它碰巧可以是 remote game 的缩写,实在是妙啊!

按这里下载鎏光 v0.4(此链接指向的资源会不定时更新!)

演示视频:

1. 配置要求

服务端

目标 最小化 建议
操作系统 Windows 7 或以上 Windows 10, 11
GPU NVIDIA GPU 已测试 GTX 1080Ti, RTX 2070S
软件 GeForce Experience 最新的 GeForce Experience
驱动 GeForce Game Ready Driver 最新的 GeForce Game Ready Driver

客户端

目标 最小化 建议
操作系统 Windows 7 或以上 Windows 10, 11
CPU 任意 amd64

2. 基本信息

  • cgh 使用 Hook 技术捕获游戏画面,支持大多数 DirectX 游戏,比如赛博朋克 2077、街头霸王。

  • cge 使用 FFmpeg 将采集到的声音和 cgh 捕获的游戏画面编码成多媒体流。

  • cgc 使用 FFmpeg 解码音视频流,并用 SDL2 播放它们。

regame-components

Data Flow

3. 快速体验

FAQ

cge

全称为 Cloud Gaming Engine

您可以直接运行 cge,使用默认参数。

可以运行 cge --help 查看所有参数:

KSYUN Edge Cloud Gaming Engine v0.4 Beta

Usage:
  -h [ --help ]                         Produce help message
  --audio-bitrate arg (=128000)         Set audio bitrate
  --audio-codec arg (=libopus)          Set audio codec. Select one of
                                        {libopus, aac, opus}
  --bind-address arg (=::)              Set bind address for listening. eg:
                                        0.0.0.0
  --disable-keys arg                    Disable virtual keys. eg: 164,165
                                        disable ALT; 91,92 disable WIN
  --donot-present arg (=0)              Tell cgh don't present
  --desktop-mode arg (=0)               Set desktop mode
  -g [ --global-mode ] arg (=0)         In global mode, will prefix object
                                        names with Global\.
  --gamepad-replay arg (=none)          Set gamepad replay method. Select one
                                        of {none, cgvhid, vigem}
  --hardware-encoder arg                Set video hardware encoder. Select one
                                        of {amf, nvenc, qsv}
  --keyboard-replay arg (=none)         Set keyboard replay method. Select one
                                        of {none, cgvhid, sendinput, message}
  --log-level arg (=info)               Set logging severity level. Select one
                                        of {trace, debug, info, warning, error,
                                        fatal}
  --mouse-replay arg (=none)            Set mouse replay method. Select one of
                                        {none, cgvhid, sendinput, message}
  -p [ --port ] arg (=8080)             Set the service port
  --user-service arg (=http://127.0.0.1:8545/)
                                        Set address for user service.
  --video-bitrate arg (=1000000)        Set video bitrate
  --video-codec arg (=h264)             Set video codec. Select one of {h264,
                                        h265, hevc}, h265 == hevc
  --video-gop arg (=180)                Set video gop. [1, 500]
  --video-preset arg                    Set preset for video encoder. For AMF,
                                        select one of {speed, balanced,
                                        quality}; For NVENC, select one of {p1,
                                        p2, p3, p4, p5, p6, p7, slow, medium,
                                        fast}; For QSV, select one of
                                        {veryfast, faster, fast, medium, slow,
                                        slower, veryslow}; otherwise, select
                                        one of {ultrafast, superfast, veryfast,
                                        faster, fast, medium, slow, slower,
                                        veryslow, placebo}
  --video-quality arg (=23)             Set video quality. [0, 51], lower is
                                        better, 0 is lossless.

可以按 Ctrl+C 优雅退出。

regame-user-service

cge 使用 regame-user-service 来维护用户状态,比如验证登录。

regame-authenticator

regame-user-manager

regame-web-client

简单的鎏光网页客户端。您可以帮助我们完善它!

cgh

一些用于捕捉 D3D 游戏画面的 Hook DLL。

cgi

一个命令行工具,用于把 Hook DLL 注入到游戏进程。

Hook game

Allowed options:
  -h [ --help ]              Produce help message
  -d [ --dynamic ] arg       Use dynamic injecting
  -e [ --exec ] arg          Path of the executable
  -a [ --arg ] arg           Arguments of the executable
  -c [ --cd ] arg            Current directory for the executable
  -i [ --imagename ] arg     Image name of the process being injected.
  -w [ --wait ] arg (=1,000) Wait before injecting. unit: ms
  --lx86 arg                 Path of x86 library to inject into process
  --lx64 arg                 Path of x64 library to inject into process

cgvhid

全称为 Cloud gaming Virtual HID driver. 用于在服务端重放键盘等外设消息。

Hook game

cgvd (仅限企业版)

全称为 Cloud gaming Virtual Display。它是一个用于抓取服务器桌面的 Indirect Display Driver。

video_source

一个测试工具。直接跑就行,它会产生简单的图像,并把图像写入共享内存,然后通知 cge 来取。用 cgc 连接 cge 后就可以看到这些图像。

它也可以用来测试延迟。

参考视频:

cgc

cge 配套的简易客户端。

Ksyun Edge Cloud Gaming Client v0.3 Beta

Usage:
  -h [ --help ]                         Produce help message
  --audio-frame-delay arg (=2)          Set audio frame max delay, [0, 8]
  -f [ --fullscreen-state ] arg (=none) Set fullscreen state, can be one of
                                        {none, real, fake}
  -l [ --list-hardware-decoder ]        List hardware decoder
  -d [ --hardware-decoder ] arg         Set hardware decoder
  -r [ --remote-host ] arg (=127.0.0.1) Set remote host
  -p [ --remote-port ] arg (=8080)      Set remote port
  --top-most arg                        Keep the main window always on top
  -u [ --username ] arg                 Set username
  --verification-code arg               Set verification code
  --volume arg (=100)                   Set volume, [0, 100]

cgs (仅限企业版)

WebRTC 服务端,配合 cge 使用,给 Web 客户端提供服务。

4. 搭建编译环境

4.1 Visual Studio

4.1.1 VS2019

只有开发驱动时需要,因为目前 WDK 还不支持 VS2022。

4.1.2 VS2022

参考配置

VS2022

4.2 Boost

安装 Boost,设置 BOOST_ROOT 环境变量,值为您的安装目录。详情

Boost 的编译命令,参考:

# For MTRelease configuration
.\b2 --address-model=64 runtime-link=static

参考视频:

4.3 FFmpeg

设置 FFMPEG_ROOT 环境变量,值为您的 FFmpeg 目录的全路径名。建议采用 LGPL shared。

目录树应该类似这样:

├─bin
├─include
│  ├─libavcodec
│  ├─libavdevice
│  ├─libavfilter
│  ├─libavformat
│  ├─libavutil
│  ├─libpostproc
│  ├─libswresample
│  └─libswscale
└─lib
    ├─x64
    └─x86

参考视频:

4.4 SDL

设置 SDL2_ROOT 环境变量,值为您的 SDL2 目录的全路径名。

SDL_ttf 2.0 也同样操作。

目录树应该类似这样:

├─bin
├─include
│  └─SDL2
└─lib
    ├─x64
    └─x86

4.5 WDK and VS2019

编译 cgvhid, cgvidd 时需要的。VS2022 暂时不能编译驱动。

4.6 额外工具

DbgView: 包含于 Sysinternals Suite

5. 编译和测试

git clone https://github.com/ksyun-kenc/liuguang
cd liuguang
git submodule update --init

用 VS 打开解决方案文件,最好选择 MTRelease 配置,再编译。

测试步骤:

  • 服务器上运行 cge

  • 服务器上运行 video_source

  • 客户端上运行 cgc -r <server_address>,请把 <server_address> 替换为服务器地址。

测试游戏:

假设您要测试 USF4。

  • 服务器上安装 cgvhid详情

  • 如果您更喜欢使用手柄而非键盘,请在服务器上安装 ViGEmBus下载

  • 服务器上运行 cge --keyboard-replay=cgvhid --gamepad-replay=vigem

  • 服务器上运行 cgi -d true -e SSFIV.exe -i SSFIV.exe --lx86 .\captureyuv.dll,其中 -e SSFIV.exe 处要填好正确的路径名。

  • 客户端上运行 cgc -r <server_address>

注意 目前只支持 D3D9、D3D11、D3D12 游戏。(D3D10 游戏没测试过,但可能也支持。)

参考视频:

6. 联系方式

微信:UMUTech

  • 请在好友请求里包含 regame、liuguang 或者鎏光。

  • 如果您愿意告诉我们,您的公司名,沟通会更高效。

  • 同样欢迎自由职业者和独立个人开发者。

7. 已知用户

https://github.com/ksyun-kenc/liuguang/wiki/known-users

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