其监听 paint 事件，并发送图像数据至本模块，随后复制进入 Spout 的 D3D11Texture2D 以分享
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更新
package.json中的信息，以符合你的 Electron 版本以及架构{ "cmake-js": { "runtime": "electron", "runtimeVersion": "30.0.1", "arch": "x64" } } -
运行
cmake-js print-configure获取 CMake 选项 -
复制这些选项并设置到 IDE 中的 CMake 选项中
注意: 需要将
-DCMAKE_MSVC_RUNTIME_LIBRARY设置为MultiThreaded$<$<CONFIG:Debug>:Debug>DLL，因为 Spout 是静态链接的-G "Visual Studio 17 2022" -A x64 -DCMAKE_BUILD_TYPE=Release -DCMAKE_JS_VERSION=7.2.1 -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded$<$<CONFIG:Debug>:Debug>DLL -DCMAKE_JS_INC=C:/Users/reito/.cmake-js/electron-x64/v25.8.0/include/node -DCMAKE_JS_SRC=C:/Users/reito/AppData/Roaming/npm/node_modules/cmake-js/lib/cpp/win_delay_load_hook.cc -DNODE_RUNTIME=electron -DNODE_RUNTIMEVERSION=25.8.0 -DNODE_ARCH=x64 -DCMAKE_JS_LIB=C:/Users/reito/.cmake-js/electron-x64/v25.8.0/x64/node.lib -DCMAKE_SHARED_LINKER_FLAGS=/DELAYLOAD:NODE.EXEThere are environment dependent values, do not directly copy the text above, and always use the value provided by the command.
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编译并复制 .node 文件使用
let win = new BrowserWindow({
title: "MyWindow",
webPreferences: {
preload,
offscreen: true,
offscreenUseSharedTexture: true
},
show: false,
transparent: true
});
const { SpoutOutput } = require("electron_spout.node");
const osr = new SpoutOutput("Electron Output");
win.webContents.setFrameRate(60);
win.webContents.on("paint", (event, dirty, image, texture) => {
if (texture) {
// when offscreenUseSharedTexture = true
osr.updateTexture(texture)
} else {
osr.updateFrame(image.getBitmap(), image.getSize());
}
});