works on mac and ubu

server/convert-webm.js

@@ -5,6 +5,9 @@ import sqlite3 from 'sqlite3';
 import { open } from 'sqlite';
 import { spawn } from 'child_process';
 
+// Find ffmpeg binary
+const FFMPEG = ['/opt/homebrew/bin/ffmpeg', '/usr/bin/ffmpeg'].find(p => fs.existsSync(p)) || 'ffmpeg';
+
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
 const mediaDir = path.join(__dirname, '..', 'public', 'media');
@@ -24,7 +27,7 @@ const transcodeToMp4 = (inputPath, outputPath) => new Promise((resolve, reject)
     outputPath
   ];
 
-  const ffmpeg = spawn('ffmpeg', args, { stdio: 'ignore' });
+  const ffmpeg = spawn(FFMPEG, args, { stdio: 'ignore' });
   ffmpeg.on('error', reject);
   ffmpeg.on('close', (code) => {
     if (code === 0) {

server/index.js

@@ -9,6 +9,9 @@ import { fileURLToPath } from 'url';
 import fs from 'fs';
 import { spawn } from 'child_process';
 
+// Find ffmpeg binary
+const FFMPEG = ['/opt/homebrew/bin/ffmpeg', '/usr/bin/ffmpeg'].find(p => fs.existsSync(p)) || 'ffmpeg';
+
 // Generate a unique link ID
 const generateUniqueId = () => {
   return crypto.randomBytes(8).toString('hex');
@@ -25,7 +28,7 @@ app.use(cors());
 app.use(express.json());
 
 // Ensure media directory exists
-const mediaDir = path.join(__dirname, '..', 'public', 'media');
+const mediaDir = '/opt/homebrew/var/www/signsync/media';
 if (!fs.existsSync(mediaDir)) {
   fs.mkdirSync(mediaDir, { recursive: true });
 }
@@ -81,7 +84,7 @@ const transcodeToMp4 = (inputPath, outputPath) => new Promise((resolve, reject)
     outputPath
   ];
 
-  const ffmpeg = spawn('ffmpeg', args, { stdio: 'ignore' });
+  const ffmpeg = spawn(FFMPEG, args, { stdio: 'ignore' });
   ffmpeg.on('error', reject);
   ffmpeg.on('close', (code) => {
     if (code === 0) {