thumbnailUrl

functions/index.js

@@ -14,3 +14,4 @@ exports.lyrics = require("./src/lyrics");
 exports.cover = require("./src/cover");
 exports.projects = require("./src/project");
 exports.hls = require("./src/hls");
+exports.thumbnail = require("./src/thumbnail");

functions/package-lock.json

@@ -6,12 +6,14 @@
     "": {
       "name": "functions",
       "dependencies": {
+        "@ffmpeg-installer/ffmpeg": "^1.1.0",
         "@genkit-ai/googleai": "^1.18.0",
+        "@google-cloud/storage": "^7.17.1",
         "axios": "^1.11.0",
         "ffmpeg-static": "^5.2.0",
         "firebase-admin": "^12.7.0",
         "firebase-functions": "^6.4.0",
-        "fluent-ffmpeg": "^2.1.2",
+        "fluent-ffmpeg": "^2.1.3",
         "genkit": "^1.18.0"
       },
       "devDependencies": {
@@ -128,6 +130,132 @@
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       "license": "MIT"
     },
+    "node_modules/@ffmpeg-installer/darwin-arm64": {
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/@ffmpeg-installer/darwin-arm64/-/darwin-arm64-4.1.5.tgz",
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+      "cpu": [
+        "arm64"
+      ],
+      "hasInstallScript": true,
+      "license": "https://git.ffmpeg.org/gitweb/ffmpeg.git/blob_plain/HEAD:/LICENSE.md",
+      "optional": true,
+      "os": [
+        "darwin"
+      ]
+    },
+    "node_modules/@ffmpeg-installer/darwin-x64": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/@ffmpeg-installer/darwin-x64/-/darwin-x64-4.1.0.tgz",
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+      "cpu": [
+        "x64"
+      ],
+      "hasInstallScript": true,
+      "license": "LGPL-2.1",
+      "optional": true,
+      "os": [
+        "darwin"
+      ]
+    },
+    "node_modules/@ffmpeg-installer/ffmpeg": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@ffmpeg-installer/ffmpeg/-/ffmpeg-1.1.0.tgz",
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+      "license": "LGPL-2.1",
+      "optionalDependencies": {
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+        "@ffmpeg-installer/darwin-x64": "4.1.0",
+        "@ffmpeg-installer/linux-arm": "4.1.3",
+        "@ffmpeg-installer/linux-arm64": "4.1.4",
+        "@ffmpeg-installer/linux-ia32": "4.1.0",
+        "@ffmpeg-installer/linux-x64": "4.1.0",
+        "@ffmpeg-installer/win32-ia32": "4.1.0",
+        "@ffmpeg-installer/win32-x64": "4.1.0"
+      }
+    },
+    "node_modules/@ffmpeg-installer/linux-arm": {
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+      "resolved": "https://registry.npmjs.org/@ffmpeg-installer/linux-arm/-/linux-arm-4.1.3.tgz",
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+      "cpu": [
+        "arm"
+      ],
+      "hasInstallScript": true,
+      "license": "GPLv3",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@ffmpeg-installer/linux-arm64": {
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+      "resolved": "https://registry.npmjs.org/@ffmpeg-installer/linux-arm64/-/linux-arm64-4.1.4.tgz",
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+      "cpu": [
+        "arm64"
+      ],
+      "hasInstallScript": true,
+      "license": "GPLv3",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@ffmpeg-installer/linux-ia32": {
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+      "resolved": "https://registry.npmjs.org/@ffmpeg-installer/linux-ia32/-/linux-ia32-4.1.0.tgz",
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+      "cpu": [
+        "ia32"
+      ],
+      "hasInstallScript": true,
+      "license": "GPLv3",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@ffmpeg-installer/linux-x64": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/@ffmpeg-installer/linux-x64/-/linux-x64-4.1.0.tgz",
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+      "cpu": [
+        "x64"
+      ],
+      "hasInstallScript": true,
+      "license": "GPLv3",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@ffmpeg-installer/win32-ia32": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/@ffmpeg-installer/win32-ia32/-/win32-ia32-4.1.0.tgz",
+      "integrity": "sha512-FV2D7RlaZv/lrtdhaQ4oETwoFUsUjlUiasiZLDxhEUPdNDWcH1OU9K1xTvqz+OXLdsmYelUDuBS/zkMOTtlUAw==",
+      "cpu": [
+        "ia32"
+      ],
+      "license": "GPLv3",
+      "optional": true,
+      "os": [
+        "win32"
+      ]
+    },
+    "node_modules/@ffmpeg-installer/win32-x64": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/@ffmpeg-installer/win32-x64/-/win32-x64-4.1.0.tgz",
+      "integrity": "sha512-Drt5u2vzDnIONf4ZEkKtFlbvwj6rI3kxw1Ck9fpudmtgaZIHD4ucsWB2lCZBXRxJgXR+2IMSti+4rtM4C4rXgg==",
+      "cpu": [
+        "x64"
+      ],
+      "license": "GPLv3",
+      "optional": true,
+      "os": [
+        "win32"
+      ]
+    },
     "node_modules/@firebase/app-check-interop-types": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/@firebase/app-check-interop-types/-/app-check-interop-types-0.3.2.tgz",
@@ -521,7 +649,6 @@
       "resolved": "https://registry.npmjs.org/@google-cloud/paginator/-/paginator-5.0.2.tgz",
       "integrity": "sha512-DJS3s0OVH4zFDB1PzjxAsHqJT6sKVbRwwML0ZBP9PbU7Yebtu/7SWMRzvO2J3nUi9pRNITCfu4LJeooM2w4pjg==",
       "license": "Apache-2.0",
-      "optional": true,
       "dependencies": {
         "arrify": "^2.0.0",
         "extend": "^3.0.2"
@@ -545,7 +672,6 @@
       "resolved": "https://registry.npmjs.org/@google-cloud/projectify/-/projectify-4.0.0.tgz",
       "integrity": "sha512-MmaX6HeSvyPbWGwFq7mXdo0uQZLGBYCwziiLIGq5JVX+/bdI3SAq6bP98trV5eTWfLuvsMcIC1YJOF2vfteLFA==",
       "license": "Apache-2.0",
-      "optional": true,
       "engines": {
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       }
@@ -555,17 +681,15 @@
       "resolved": "https://registry.npmjs.org/@google-cloud/promisify/-/promisify-4.0.0.tgz",
       "integrity": "sha512-Orxzlfb9c67A15cq2JQEyVc7wEsmFBmHjZWZYQMUyJ1qivXyMwdyNOs9odi79hze+2zqdTtu1E19IM/FtqZ10g==",
       "license": "Apache-2.0",
-      "optional": true,
       "engines": {
         "node": ">=14"
       }
     },
     "node_modules/@google-cloud/storage": {
-      "version": "7.17.0",
+      "version": "7.17.1",
-      "resolved": "https://registry.npmjs.org/@google-cloud/storage/-/storage-7.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@google-cloud/storage/-/storage-7.17.1.tgz",
-      "integrity": "sha512-5m9GoZqKh52a1UqkxDBu/+WVFDALNtHg5up5gNmNbXQWBcV813tzJKsyDtKjOPrlR1em1TxtD7NSPCrObH7koQ==",
+      "integrity": "sha512-2FMQbpU7qK+OtBPaegC6n+XevgZksobUGo6mGKnXNmeZpvLiAo1gTAE3oTKsrMGDV4VtL8Zzpono0YsK/Q7Iqg==",
       "license": "Apache-2.0",
-      "optional": true,
       "dependencies": {
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@@ -592,7 +716,6 @@
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-      "optional": true,
       "bin": {
         "uuid": "dist/bin/uuid"
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@@ -2240,7 +2363,6 @@
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@@ -2276,8 +2398,7 @@
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-      "license": "MIT",
+      "license": "MIT"
-      "optional": true
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     "node_modules/@types/connect": {
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@@ -2440,7 +2561,6 @@
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-      "optional": true,
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@@ -2453,7 +2573,6 @@
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-      "optional": true,
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@@ -2507,8 +2626,7 @@
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-      "license": "MIT",
+      "license": "MIT"
-      "optional": true
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     "node_modules/@types/triple-beam": {
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@@ -2529,7 +2647,6 @@
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-      "optional": true,
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       },
@@ -2696,7 +2813,6 @@
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-      "optional": true,
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@@ -2722,7 +2838,6 @@
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-      "optional": true,
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@@ -3239,7 +3354,6 @@
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-      "optional": true,
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-      "optional": true,
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@@ -3714,7 +3826,6 @@
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@@ -4520,8 +4631,7 @@
           "url": "https://patreon.com/mdevils"
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-      "license": "MIT",
+      "license": "MIT"
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@@ -4565,7 +4674,6 @@
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-      "optional": true,
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-      "devOptional": true,
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@@ -5395,7 +5501,6 @@
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@@ -6252,15 +6353,13 @@
           "url": "https://github.com/sponsors/NaturalIntelligence"
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-      "license": "MIT",
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@@ -6292,7 +6391,6 @@
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@@ -6322,7 +6419,6 @@
       "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz",
       "integrity": "sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==",
       "license": "MIT",
-      "optional": true,
       "dependencies": {
         "agent-base": "6",
         "debug": "4"
@@ -6336,7 +6432,6 @@
       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
       "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
       "license": "MIT",
-      "optional": true,
       "dependencies": {
         "whatwg-url": "^5.0.0"
       },
@@ -6361,7 +6456,6 @@
         "https://github.com/sponsors/ctavan"
       ],
       "license": "MIT",
-      "optional": true,
       "bin": {
         "uuid": "dist/bin/uuid"
       }
@@ -6708,7 +6802,6 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
-      "devOptional": true,
       "license": "ISC"
     },
     "node_modules/xorshift": {
@@ -6784,7 +6877,6 @@
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
       "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
-      "devOptional": true,
       "license": "MIT",
       "engines": {
         "node": ">=10"

functions/package.json

@@ -14,13 +14,15 @@
   },
   "main": "index.js",
   "dependencies": {
+    "@ffmpeg-installer/ffmpeg": "^1.1.0",
     "@genkit-ai/googleai": "^1.18.0",
+    "@google-cloud/storage": "^7.17.1",
     "axios": "^1.11.0",
+    "ffmpeg-static": "^5.2.0",
     "firebase-admin": "^12.7.0",
     "firebase-functions": "^6.4.0",
-    "genkit": "^1.18.0",
+    "fluent-ffmpeg": "^2.1.3",
-    "fluent-ffmpeg": "^2.1.2",
+    "genkit": "^1.18.0"
-    "ffmpeg-static": "^5.2.0"
   },
   "devDependencies": {
     "eslint": "^8.15.0",

functions/src/hls.js

@@ -1,20 +1,20 @@
-const { onObjectFinalized } = require('firebase-functions/v2/storage');
+const { onObjectFinalized } = require("firebase-functions/v2/storage");
-const functions = require('firebase-functions');
+const functions = require("firebase-functions");
-const admin = require('firebase-admin');
+const admin = require("firebase-admin");
-const path = require('path');
+const path = require("path");
-const os = require('os');
+const os = require("os");
-const fs = require('fs');
+const fs = require("fs");
 
 // These deps must be installed in functions/: ffmpeg-static, fluent-ffmpeg
 let ffmpeg;
 let ffmpegPath;
 try {
-  ffmpeg = require('fluent-ffmpeg');
+  ffmpeg = require("fluent-ffmpeg");
-  ffmpegPath = require('ffmpeg-static');
+  ffmpegPath = require("ffmpeg-static");
   ffmpeg.setFfmpegPath(ffmpegPath);
 } catch (e) {
   console.log(
-    'ffmpeg modules not installed yet — deploy after npm i',
+    "ffmpeg modules not installed yet — deploy after npm i",
     e?.message
   );
 }
@@ -23,56 +23,56 @@ const bucket = admin.storage().bucket();
 
 exports.transcodePlaybackToHLS = onObjectFinalized(
   {
-    region: 'europe-west1',
+    region: "europe-west1",
-    memory: '2GiB',
+    memory: "2GiB",
     timeoutSeconds: 540,
     cpu: 2,
   },
   async (event) => {
     const object = event.data;
-    const filePath = object?.name || ''; // e.g., musics/{projectId}/source.mp4
+    const filePath = object?.name || ""; // e.g., musics/{projectId}/source.mp4
-    const contentType = object?.contentType || '';
+    const contentType = object?.contentType || "";
 
     try {
       // Only process our target path + video files
       const match = filePath.match(/^musics\/(.+?)\/source\.mp4$/i);
-      if (!match || !contentType.startsWith('video/')) {
+      if (!match || !contentType.startsWith("video/")) {
         return;
       }
       const projectId = match[1];
       const tempDir = fs.mkdtempSync(
         path.join(os.tmpdir(), `hls_${projectId}_`)
       );
-      const localSource = path.join(tempDir, 'source.mp4');
+      const localSource = path.join(tempDir, "source.mp4");
-      const hlsDir = path.join(tempDir, 'hls');
+      const hlsDir = path.join(tempDir, "hls");
       fs.mkdirSync(hlsDir);
 
       // Download source
       await bucket.file(filePath).download({ destination: localSource });
 
       if (!ffmpeg) {
-        console.warn('ffmpeg not available; skip transcode');
+        console.warn("ffmpeg not available; skip transcode");
         return;
       }
 
       // Transcode to HLS (single rendition for simplicity)
-      const masterPath = path.join(hlsDir, 'master.m3u8');
+      const masterPath = path.join(hlsDir, "master.m3u8");
-      const segmentPattern = path.join(hlsDir, 'segment_%03d.ts');
+      const segmentPattern = path.join(hlsDir, "segment_%03d.ts");
 
       await new Promise((resolve, reject) => {
         ffmpeg(localSource)
           .outputOptions([
-            '-profile:v baseline',
+            "-profile:v baseline",
-            '-level 3.0',
+            "-level 3.0",
-            '-start_number 0',
+            "-start_number 0",
-            '-hls_time 4',
+            "-hls_time 4",
-            '-hls_list_size 0',
+            "-hls_list_size 0",
-            '-f hls',
+            "-f hls",
             `-hls_segment_filename ${segmentPattern}`,
           ])
           .output(masterPath)
-          .on('end', resolve)
+          .on("end", resolve)
-          .on('error', reject)
+          .on("error", reject)
           .run();
       });
 
@@ -82,28 +82,28 @@ exports.transcodePlaybackToHLS = onObjectFinalized(
 
       // Upload all segments first
       const uploads = fileNames
-        .filter((n) => n.endsWith('.ts'))
+        .filter((n) => n.endsWith(".ts"))
         .map((name) => {
           const local = path.join(hlsDir, name);
           const dest = `${destPrefix}${name}`;
           return bucket.upload(local, {
             destination: dest,
             metadata: {
-              contentType: 'video/MP2T',
+              contentType: "video/MP2T",
-              cacheControl: 'public, max-age=3600',
+              cacheControl: "public, max-age=3600",
             },
           });
         });
       await Promise.all(uploads);
 
       // Generate signed URLs for segments and rewrite playlist with absolute URLs
-      const segmentNames = fileNames.filter((n) => n.endsWith('.ts'));
+      const segmentNames = fileNames.filter((n) => n.endsWith(".ts"));
       const signedSegments = {};
       await Promise.all(
         segmentNames.map(async (name) => {
           const file = bucket.file(`${destPrefix}${name}`);
           const [url] = await file.getSignedUrl({
-            action: 'read',
+            action: "read",
             expires: Date.now() + 1000 * 60 * 60 * 24 * 365,
           });
           signedSegments[name] = url;
@@ -111,24 +111,24 @@ exports.transcodePlaybackToHLS = onObjectFinalized(
       );
 
       // Rewrite master playlist to use absolute signed segment URLs
-      let masterContent = fs.readFileSync(masterPath, 'utf8');
+      let masterContent = fs.readFileSync(masterPath, "utf8");
       masterContent = masterContent
         .split(/\r?\n/)
         .map((line) =>
-          line.endsWith('.ts') && signedSegments[line]
+          line.endsWith(".ts") && signedSegments[line]
             ? signedSegments[line]
             : line
         )
-        .join('\n');
+        .join("\n");
-      const rewrittenMasterLocal = path.join(hlsDir, 'master.abs.m3u8');
+      const rewrittenMasterLocal = path.join(hlsDir, "master.abs.m3u8");
-      fs.writeFileSync(rewrittenMasterLocal, masterContent, 'utf8');
+      fs.writeFileSync(rewrittenMasterLocal, masterContent, "utf8");
 
       // Upload rewritten playlist
       await bucket.upload(rewrittenMasterLocal, {
         destination: `${destPrefix}master.m3u8`,
         metadata: {
-          contentType: 'application/vnd.apple.mpegurl',
+          contentType: "application/vnd.apple.mpegurl",
-          cacheControl: 'public, max-age=3600',
+          cacheControl: "public, max-age=3600",
         },
       });
 
@@ -136,15 +136,15 @@ exports.transcodePlaybackToHLS = onObjectFinalized(
       const [signedUrl] = await bucket
         .file(`${destPrefix}master.m3u8`)
         .getSignedUrl({
-          action: 'read',
+          action: "read",
           expires: Date.now() + 1000 * 60 * 60 * 24 * 365,
         });
 
       // Update Firestore project doc with playbackUrl
-      await admin.firestore().collection('projects').doc(projectId).set(
+      await admin.firestore().collection("projects").doc(projectId).set(
         {
           playbackUrl: signedUrl,
-          playbackStatus: 'ready',
+          playbackStatus: "ready",
           updatedAt: admin.firestore.FieldValue.serverTimestamp(),
         },
         { merge: true }
@@ -155,7 +155,7 @@ exports.transcodePlaybackToHLS = onObjectFinalized(
         fs.rmSync(tempDir, { recursive: true, force: true });
       } catch (e) {}
     } catch (e) {
-      console.error('HLS transcode error', e);
+      console.error("HLS transcode error", e);
     }
   }
 );

functions/src/thumbnail.js

@@ -0,0 +1,119 @@
+const { onObjectFinalized } = require("firebase-functions/v2/storage");
+const logger = require("firebase-functions/logger");
+const admin = require("firebase-admin");
+const ffmpeg = require("fluent-ffmpeg");
+const ffmpegInstaller = require("@ffmpeg-installer/ffmpeg");
+const fs = require("node:fs/promises");
+const os = require("node:os");
+const path = require("node:path");
+const crypto = require("node:crypto");
+
+ffmpeg.setFfmpegPath(ffmpegInstaller.path);
+
+exports.generateVideoThumbnail = onObjectFinalized(
+  {
+    region: "europe-west1",
+    timeoutSeconds: 180,
+    memory: "1GiB",
+    cpu: 1,
+  },
+  async (event) => {
+    const file = event.data || {};
+    const bucketName = file.bucket;
+    const objectName = file.name || "";
+    const contentType = file.contentType || "";
+
+    if (!bucketName) return;
+    if (!contentType.startsWith("video/")) return;
+    if (!objectName) return;
+    if (/_thumb9x16\.jpg$/i.test(objectName)) return;
+
+    const bucket = admin.storage().bucket(bucketName);
+    const playbackMatch = objectName.match(/^musics\/([^/]+)\/playback\.mp4$/i);
+    const projectId = playbackMatch ? playbackMatch[1] : null;
+
+    // Use unique folder under /tmp to avoid name collisions
+    const tmpDir = path.join(
+      os.tmpdir(),
+      `thumb-${Date.now()}-${Math.round(Math.random() * 1000)}`
+    );
+    const baseName = path.basename(objectName);
+    const dirName = path.posix.dirname(objectName);
+    const localVideoPath = path.join(tmpDir, baseName);
+
+    const thumbBase = baseName.replace(/\.[^.]+$/, "") + "_thumb9x16.jpg";
+    const localThumbPath = path.join(tmpDir, thumbBase);
+    const remoteThumbPath =
+      dirName && dirName !== "."
+        ? path.posix.join(dirName, thumbBase)
+        : thumbBase;
+
+    try {
+      await fs.mkdir(tmpDir, { recursive: true });
+
+      // Télécharger la vidéo depuis le bucket
+      await bucket.file(objectName).download({ destination: localVideoPath });
+
+      // Extraire 1 frame à 1 seconde, forcer 9:16 (1080x1920) par scale+crop centré
+      await new Promise((resolve, reject) => {
+        ffmpeg(localVideoPath)
+          .inputOptions(["-ss 1"])
+          .frames(1)
+          .outputOptions([
+            "-vf",
+            "scale='if(gt(a,9/16),1080,-2)':'if(gt(a,9/16),-2,1920)',crop=1080:1920",
+            "-q:v",
+            "2",
+          ])
+          .output(localThumbPath)
+          .on("end", resolve)
+          .on("error", reject)
+          .run();
+      });
+
+      // Upload du thumbnail avec un token de téléchargement public Firebase
+      const downloadToken = crypto.randomUUID();
+      await bucket.upload(localThumbPath, {
+        destination: remoteThumbPath,
+        metadata: {
+          contentType: "image/jpeg",
+          cacheControl: "public, max-age=86400",
+          metadata: {
+            original: objectName,
+            aspect: "9:16",
+            t: "1s",
+            firebaseStorageDownloadTokens: downloadToken,
+          },
+        },
+      });
+
+      const encodedPath = encodeURIComponent(remoteThumbPath);
+      const thumbnailUrl = `https://firebasestorage.googleapis.com/v0/b/${bucketName}/o/${encodedPath}?alt=media&token=${downloadToken}`;
+
+      if (projectId) {
+        await admin.firestore().collection("projects").doc(projectId).set(
+          {
+            thumbnailUrl,
+            updatedAt: admin.firestore.FieldValue.serverTimestamp(),
+          },
+          { merge: true }
+        );
+      }
+
+      logger.info("✅ [Thumbnail] Uploaded", {
+        objectName,
+        remoteThumbPath,
+        projectId,
+        thumbnailUrl,
+      });
+    } catch (error) {
+      logger.error("❌ [Thumbnail] Failed", {
+        objectName,
+        error: error?.message || String(error),
+      });
+      throw error;
+    } finally {
+      await fs.rm(tmpDir, { recursive: true, force: true });
+    }
+  }
+);