From 5e68d9655c87dcdb08c8879e469e514ae49a2a7c Mon Sep 17 00:00:00 2001
From: Vanilagy <1696106+Vanilagy@users.noreply.github.com>
Date: Thu, 2 Jul 2026 22:58:51 +0200
Subject: [PATCH] Make ProRes tracks return true for hasOnlyKeyPackets()

---
 src/input-track.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/input-track.ts b/src/input-track.ts
index 49965bf..b488495 100644
--- a/src/input-track.ts
+++ b/src/input-track.ts
@@ -544,7 +544,8 @@ export class InputVideoTrack extends InputTrack {
 	}
 
 	async hasOnlyKeyPackets() {
-		return (await this._backing.getHasOnlyKeyPackets?.()) ?? false;
+		return (await this._backing.getHasOnlyKeyPackets?.())
+			?? (await this._backing.getCodec() === 'prores'); // Only ProRes is fully intra-frame
 	}
 
 	/** Returns the width in pixels of the track's coded samples, before any transformations or rotations. */