feat: ffmpeg download auto

.github/workflows/build.yml

@@ -38,12 +38,6 @@ jobs:
       - name: Build NapCat.Shell
         run: |
           npm i && cd napcat.webui && npm i && cd .. || exit 1
-          curl -sSL https://github.com/BtbN/FFmpeg-Builds/releases/download/autobuild-2025-04-16-12-54/ffmpeg-n7.1.1-6-g48c0f071d4-win64-lgpl-7.1.zip -o ffmpeg.zip
-          unzip -q ffmpeg.zip -d ffmpeg && rm ffmpeg.zip
-          cd ffmpeg
-          mv ffmpeg.exe ../external/ffmpeg/ffmpeg.exe
-          mv ffprobe.exe ../external/ffmpeg/ffprobe.exe
-          cd ..
           npm run build:shell && npm run depend || exit 1
           rm package-lock.json
       - name: Upload Artifact

src/common/download-ffmpeg.ts

@@ -0,0 +1,308 @@
+// 更正导入语句
+import * as fs from 'fs';
+import * as path from 'path';
+import * as https from 'https';
+import * as os from 'os';
+import * as compressing from 'compressing';  // 修正导入方式
+import { pipeline } from 'stream/promises';
+import { fileURLToPath } from 'url';
+import { LogWrapper } from './log';
+
+const downloadOri = "https://github.com/BtbN/FFmpeg-Builds/releases/download/autobuild-2025-04-16-12-54/ffmpeg-n7.1.1-6-g48c0f071d4-win64-lgpl-7.1.zip"
+const urls = [
+    "https://github.moeyy.xyz/" + downloadOri,
+    "https://ghp.ci/" + downloadOri,
+    "https://gh.api.99988866.xyz/" + downloadOri,
+    downloadOri
+];
+
+/**
+ * 测试URL是否可用
+ * @param url 待测试的URL
+ * @returns 如果URL可访问返回true，否则返回false
+ */
+async function testUrl(url: string): Promise<boolean> {
+    return new Promise<boolean>((resolve) => {
+        const req = https.get(url, { timeout: 5000 }, (res) => {
+            // 检查状态码是否表示成功
+            const statusCode = res.statusCode || 0;
+            if (statusCode >= 200 && statusCode < 300) {
+                // 终止请求并返回true
+                req.destroy();
+                resolve(true);
+            } else {
+                req.destroy();
+                resolve(false);
+            }
+        });
+
+        req.on('error', () => {
+            resolve(false);
+        });
+
+        req.on('timeout', () => {
+            req.destroy();
+            resolve(false);
+        });
+    });
+}
+
+/**
+ * 查找第一个可用的URL
+ * @returns 返回第一个可用的URL，如果都不可用则返回null
+ */
+async function findAvailableUrl(): Promise<string | null> {
+    for (const url of urls) {
+        try {
+            const available = await testUrl(url);
+            if (available) {
+                return url;
+            }
+        } catch (error) {
+            // 忽略错误
+        }
+    }
+
+    return null;
+}
+/**
+ * 下载文件
+ * @param url 下载URL
+ * @param destPath 目标保存路径
+ * @returns 成功返回true，失败返回false
+ */
+async function downloadFile(url: string, destPath: string, progressCallback?: (percent: number) => void): Promise<boolean> {
+    return new Promise<boolean>((resolve) => {
+        const file = fs.createWriteStream(destPath);
+
+        const req = https.get(url, (res) => {
+            const statusCode = res.statusCode || 0;
+
+            if (statusCode >= 200 && statusCode < 300) {
+                // 获取文件总大小
+                const totalSize = parseInt(res.headers['content-length'] || '0', 10);
+                let downloadedSize = 0;
+                let lastReportedPercent = -1; // 上次报告的百分比
+                let lastReportTime = 0; // 上次报告的时间戳
+
+                // 如果有内容长度和进度回调，则添加数据监听
+                if (totalSize > 0 && progressCallback) {
+                    // 初始报告 0%
+                    progressCallback(0);
+                    lastReportTime = Date.now();
+
+                    res.on('data', (chunk) => {
+                        downloadedSize += chunk.length;
+                        const currentPercent = Math.floor((downloadedSize / totalSize) * 100);
+                        const now = Date.now();
+
+                        // 只在以下条件触发回调：
+                        // 1. 百分比变化至少为1%
+                        // 2. 距离上次报告至少500毫秒
+                        // 3. 确保报告100%完成
+                        if ((currentPercent !== lastReportedPercent &&
+                            (currentPercent - lastReportedPercent >= 1 || currentPercent === 100)) &&
+                            (now - lastReportTime >= 1000 || currentPercent === 100)) {
+
+                            progressCallback(currentPercent);
+                            lastReportedPercent = currentPercent;
+                            lastReportTime = now;
+                        }
+                    });
+                }
+
+                pipeline(res, file)
+                    .then(() => {
+                        // 确保最后报告100%
+                        if (progressCallback && lastReportedPercent !== 100) {
+                            progressCallback(100);
+                        }
+                        resolve(true);
+                    })
+                    .catch(() => resolve(false));
+            } else {
+                file.close();
+                fs.unlink(destPath, () => { });
+                resolve(false);
+            }
+        });
+
+        req.on('error', () => {
+            file.close();
+            fs.unlink(destPath, () => { });
+            resolve(false);
+        });
+    });
+}
+
+/**
+ * 解压缩zip文件中的特定内容
+ * 只解压bin目录中的文件到目标目录
+ * @param zipPath 压缩文件路径
+ * @param extractDir 解压目标路径
+ */
+async function extractBinDirectory(zipPath: string, extractDir: string): Promise<void> {
+    try {
+        // 确保目标目录存在
+        if (!fs.existsSync(extractDir)) {
+            fs.mkdirSync(extractDir, { recursive: true });
+        }
+
+        // 解压文件
+        const zipStream = new compressing.zip.UncompressStream({ source: zipPath });
+
+        return new Promise<void>((resolve, reject) => {
+            // 监听条目事件
+            zipStream.on('entry', (header, stream, next) => {
+                // 获取文件路径
+                const filePath = header.name;
+
+                // 匹配内层bin目录中的文件
+                // 例如：ffmpeg-n7.1.1-6-g48c0f071d4-win64-lgpl-7.1/bin/ffmpeg.exe
+                if (filePath.includes('/bin/') && filePath.endsWith('.exe')) {
+                    // 提取文件名
+                    const fileName = path.basename(filePath);
+                    const targetPath = path.join(extractDir, fileName);
+
+                    // 创建写入流
+                    const writeStream = fs.createWriteStream(targetPath);
+
+                    // 将流管道连接到文件
+                    stream.pipe(writeStream);
+
+                    // 监听写入完成事件
+                    writeStream.on('finish', () => {
+                        next();
+                    });
+
+                    writeStream.on('error', () => {
+                        next();
+                    });
+                } else {
+                    // 跳过不需要的文件
+                    stream.resume();
+                    next();
+                }
+            });
+
+            zipStream.on('error', (err) => {
+                reject(err);
+            });
+
+            zipStream.on('finish', () => {
+                resolve();
+            });
+        });
+    } catch (err) {
+        throw err;
+    }
+}
+
+/**
+ * 下载并设置FFmpeg
+ * @param destDir 目标安装目录，默认为用户临时目录下的ffmpeg文件夹
+ * @param tempDir 临时文件目录，默认为系统临时目录
+ * @returns 返回ffmpeg可执行文件的路径，如果失败则返回null
+ */
+export async function downloadFFmpeg(
+    destDir?: string,
+    tempDir?: string,
+    progressCallback?: (percent: number, stage: string) => void
+): Promise<string | null> {
+    // 仅限Windows
+    if (os.platform() !== 'win32') {
+        return null;
+    }
+
+    const destinationDir = destDir || path.join(os.tmpdir(), 'ffmpeg');
+    const tempDirectory = tempDir || os.tmpdir();
+    const zipFilePath = path.join(tempDirectory, 'ffmpeg.zip'); // 临时下载到指定临时目录
+    const ffmpegExePath = path.join(destinationDir, 'ffmpeg.exe');
+
+    // 确保目录存在
+    if (!fs.existsSync(destinationDir)) {
+        fs.mkdirSync(destinationDir, { recursive: true });
+    }
+
+    // 确保临时目录存在
+    if (!fs.existsSync(tempDirectory)) {
+        fs.mkdirSync(tempDirectory, { recursive: true });
+    }
+
+    // 如果ffmpeg已经存在，直接返回路径
+    if (fs.existsSync(ffmpegExePath)) {
+        if (progressCallback) progressCallback(100, '已找到FFmpeg');
+        return ffmpegExePath;
+    }
+
+    // 查找可用URL
+    if (progressCallback) progressCallback(0, '查找可用下载源');
+    const availableUrl = await findAvailableUrl();
+    if (!availableUrl) {
+        return null;
+    }
+
+    // 下载文件
+    if (progressCallback) progressCallback(5, '开始下载FFmpeg');
+    const downloaded = await downloadFile(
+        availableUrl,
+        zipFilePath,
+        (percent) => {
+            // 下载占总进度的70%
+            if (progressCallback) progressCallback(5 + Math.floor(percent * 0.7), '下载FFmpeg');
+        }
+    );
+
+    if (!downloaded) {
+        return null;
+    }
+
+    try {
+        // 直接解压bin目录文件到目标目录
+        if (progressCallback) progressCallback(75, '解压FFmpeg');
+        await extractBinDirectory(zipFilePath, destinationDir);
+
+        // 清理下载文件
+        if (progressCallback) progressCallback(95, '清理临时文件');
+        try {
+            fs.unlinkSync(zipFilePath);
+        } catch (err) {
+            // 忽略清理临时文件失败的错误
+        }
+
+        // 检查ffmpeg.exe是否成功解压
+        if (fs.existsSync(ffmpegExePath)) {
+            if (progressCallback) progressCallback(100, 'FFmpeg安装完成');
+            return ffmpegExePath;
+        } else {
+            return null;
+        }
+    } catch (err) {
+        return null;
+    }
+}
+export async function downloadFFmpegIfNotExists(log:LogWrapper) {
+    // 仅限Windows
+    if (os.platform() !== 'win32') {
+        return {
+            path: null,
+            isExist: false
+        };
+    }
+    const currentPath = path.dirname(fileURLToPath(import.meta.url));
+    const ffmpeg_exist = fs.existsSync(path.join(currentPath, 'ffmpeg', 'ffmpeg.exe'));
+    const ffprobe_exist = fs.existsSync(path.join(currentPath, 'ffmpeg', 'ffprobe.exe'));
+    if (!ffmpeg_exist || !ffprobe_exist) {
+        await downloadFFmpeg('./ffmpeg', './cache', (percentage: number, message: string) => {
+            log.log(`[Ffmpeg] [Download] ${percentage}% - ${message}`);
+        });
+        return {
+            path: path.join(currentPath, 'ffmpeg'),
+            isExist: false
+        }
+    }
+    return {
+        path: path.join(currentPath, 'ffmpeg'),
+        isExist: true
+    }
+}

src/common/ffmpeg.ts

@@ -6,25 +6,31 @@ import type { VideoInfo } from './video';
 import { fileTypeFromFile } from 'file-type';
 import imageSize from 'image-size';
 import { fileURLToPath } from 'node:url';
+import { platform } from 'node:os';
 const currentPath = dirname(fileURLToPath(import.meta.url));
 const execFileAsync = promisify(execFile);
 const getFFmpegPath = (tool: string): string => {
+    if (process.platform === 'win32') {
         const exeName = `${tool}.exe`;
         const isLocalExeExists = existsSync(path.join(currentPath, 'ffmpeg', exeName));
-
-    if (process.platform === 'win32') {
         return isLocalExeExists ? path.join(currentPath, 'ffmpeg', exeName) : exeName;
     }
     return tool;
 };
-
-const FFMPEG_CMD = getFFmpegPath('ffmpeg');
-const FFPROBE_CMD = getFFmpegPath('ffprobe');
-
+export let FFMPEG_CMD = getFFmpegPath('ffmpeg');
+export let FFPROBE_CMD = getFFmpegPath('ffprobe');
 console.log('[Info] ffmpeg:', FFMPEG_CMD);
 console.log('[Info] ffprobe:', FFPROBE_CMD);
 export class FFmpegService {
     // 确保目标目录存在
+    public static setFfmpegPath(ffmpegPath: string): void {
+        if (platform() === 'win32') {
+            FFMPEG_CMD = path.join(ffmpegPath, 'ffmpeg.exe');
+            FFPROBE_CMD = path.join(ffmpegPath, 'ffprobe.exe');
+            console.log('[Info] ffmpeg:', FFMPEG_CMD);
+            console.log('[Info] ffprobe:', FFPROBE_CMD);
+        }
+    }
     private static ensureDirExists(filePath: string): void {
         const dir = dirname(filePath);
         if (!existsSync(dir)) {

src/framework/napcat.ts

@@ -9,6 +9,8 @@ import { NodeIKernelLoginService } from '@/core/services';
 import { NodeIQQNTWrapperSession, WrapperNodeApi } from '@/core/wrapper';
 import { InitWebUi, WebUiConfig, webUiRuntimePort } from '@/webui';
 import { NapCatOneBot11Adapter } from '@/onebot';
+import { downloadFFmpegIfNotExists } from '@/common/download-ffmpeg';
+import { FFmpegService } from '@/common/ffmpeg';
 
 //Framework ES入口文件
 export async function getWebUiUrl() {
@@ -36,6 +38,11 @@ export async function NCoreInitFramework(
     const logger = new LogWrapper(pathWrapper.logsPath);
     const basicInfoWrapper = new QQBasicInfoWrapper({ logger });
     const wrapper = loadQQWrapper(basicInfoWrapper.getFullQQVesion());
+    downloadFFmpegIfNotExists(logger).then(({ path, isExist }) => {
+        if (!isExist && path) {
+            FFmpegService.setFfmpegPath(path);
+        }
+    });
     //直到登录成功后，执行下一步
     const selfInfo = await new Promise<SelfInfo>((resolveSelfInfo) => {
         const loginListener = new NodeIKernelLoginListener();

src/shell/base.ts

@@ -31,6 +31,8 @@ import { WebUiDataRuntime } from '@/webui/src/helper/Data';
 import { napCatVersion } from '@/common/version';
 import { NodeIO3MiscListener } from '@/core/listeners/NodeIO3MiscListener';
 import { sleep } from '@/common/helper';
+import { downloadFFmpegIfNotExists } from '@/common/download-ffmpeg';
+import { FFmpegService } from '@/common/ffmpeg';
 
 // NapCat Shell App ES 入口文件
 async function handleUncaughtExceptions(logger: LogWrapper) {
@@ -311,6 +313,11 @@ export async function NCoreInitShell() {
     const pathWrapper = new NapCatPathWrapper();
     const logger = new LogWrapper(pathWrapper.logsPath);
     handleUncaughtExceptions(logger);
+    downloadFFmpegIfNotExists(logger).then(({ path, isExist }) => {
+    if (!isExist && path) {
+        FFmpegService.setFfmpegPath(path);
+    }
+});
     const basicInfoWrapper = new QQBasicInfoWrapper({ logger });
     const wrapper = loadQQWrapper(basicInfoWrapper.getFullQQVesion());
 

src/shell/napcat.ts

@@ -1,7 +1,6 @@
 import { NCoreInitShell } from './base';
-import * as net from 'net'; // 引入 net 模块
+import * as net from 'net';
 import * as process from 'process';
-
 if (process.platform === 'win32') {
     const pid = process.pid;
     const pipePath = `\\\\.\\pipe\\NapCat_${pid}`;

vite.config.ts

@@ -23,7 +23,6 @@ if (process.env.NAPCAT_BUILDSYS == 'linux') {
 const UniversalBaseConfigPlugin: PluginOption[] = [
     cp({
         targets: [
-            { src: './external/ffmpeg/', dest: 'dist/ffmpeg', flatten: true },
             { src: './manifest.json', dest: 'dist' },
             { src: './src/core/external/napcat.json', dest: 'dist/config/' },
             { src: './src/native/packet', dest: 'dist/moehoo', flatten: false },
@@ -47,7 +46,6 @@ const UniversalBaseConfigPlugin: PluginOption[] = [
 const FrameworkBaseConfigPlugin: PluginOption[] = [
     cp({
         targets: [
-            { src: './external/ffmpeg/', dest: 'dist/ffmpeg', flatten: true },
             { src: './manifest.json', dest: 'dist' },
             { src: './src/core/external/napcat.json', dest: 'dist/config/' },
             { src: './src/native/packet', dest: 'dist/moehoo', flatten: false },
@@ -67,7 +65,6 @@ const FrameworkBaseConfigPlugin: PluginOption[] = [
 const ShellBaseConfigPlugin: PluginOption[] = [
     cp({
         targets: [
-            { src: './external/ffmpeg/', dest: 'dist/ffmpeg', flatten: true },
             { src: './src/native/packet', dest: 'dist/moehoo', flatten: false },
             { src: './src/native/pty', dest: 'dist/pty', flatten: false },
             { src: './napcat.webui/dist/', dest: 'dist/static/', flatten: false },