From aeaa60df45c2b3cf2fd0ca98013bc2f74fe1f003 Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Fri, 28 Feb 2025 10:17:39 -0600
Subject: [PATCH] transcode: add -nostdin -safe 1

---
 packages/transcode/ffmpeg.ts    | 8 +++++++-
 packages/transcode/transcode.ts | 2 ++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/packages/transcode/ffmpeg.ts b/packages/transcode/ffmpeg.ts
index a76f7350..542741a4 100644
--- a/packages/transcode/ffmpeg.ts
+++ b/packages/transcode/ffmpeg.ts
@@ -1,4 +1,6 @@
 export interface FFmpegFlags {
+  'safe'?: string;
+  'nostdin'?: string;
   'c:v'?: string;
   'preset'?: string;
   'loglevel'?: string;
@@ -15,7 +17,11 @@ export function ffmpeg(input: URL | ReadableStream<Uint8Array>, flags: FFmpegFla
 
   for (const [key, value] of Object.entries(flags)) {
     if (typeof value === 'string') {
-      args.push(`-${key}`, value);
+      if (value) {
+        args.push(`-${key}`, value);
+      } else {
+        args.push(`-${key}`);
+      }
     }
   }
 
diff --git a/packages/transcode/transcode.ts b/packages/transcode/transcode.ts
index d56e37d8..7f94d328 100644
--- a/packages/transcode/transcode.ts
+++ b/packages/transcode/transcode.ts
@@ -2,6 +2,8 @@ import { ffmpeg } from './ffmpeg.ts';
 
 export function transcodeVideo(input: ReadableStream<Uint8Array>): ReadableStream<Uint8Array> {
   return ffmpeg(input, {
+    'safe': '1', // Safe mode
+    'nostdin': '', // Disable stdin
     'c:v': 'libx264', // Convert to H.264
     'preset': 'veryfast', // Encoding speed
     'loglevel': 'fatal', // Suppress logs