bkram ffmpeg removal implementation

server/stream/checkFFmpeg.js

@@ -0,0 +1,23 @@
+const { spawn } = require('child_process');
+
+function checkFFmpeg() {
+  return new Promise((resolve, reject) => {
+    const checkFFmpegProcess = spawn('ffmpeg', ['-version'], {
+      stdio: ['ignore', 'ignore', 'ignore'],
+    });
+
+    checkFFmpegProcess.on('error', () => {
+      resolve(require('ffmpeg-static'));
+    });
+
+    checkFFmpegProcess.on('exit', (code) => {
+      if (code === 0) {
+        resolve('ffmpeg');
+      } else {
+        resolve(require('ffmpeg-static'));
+      }
+    });
+  });
+}
+
+module.exports = checkFFmpeg;