From 0fc1dc753a4f6a74873d28478dc9fb02f86c6532 Mon Sep 17 00:00:00 2001
From: Martin <901824+martinstark@users.noreply.github.com>
Date: Thu, 21 Mar 2024 15:11:24 +0100
Subject: [PATCH] feat: make ad break check offset configurable

---
 src/ts/BitmovinYospacePlayerAPI.ts      | 3 +++
 src/ts/InternalBitmovinYospacePlayer.ts | 5 +++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/ts/BitmovinYospacePlayerAPI.ts b/src/ts/BitmovinYospacePlayerAPI.ts
index 032c0b91..ba715fd4 100644
--- a/src/ts/BitmovinYospacePlayerAPI.ts
+++ b/src/ts/BitmovinYospacePlayerAPI.ts
@@ -264,7 +264,10 @@ export interface AdImmunityEndedEvent extends YospaceEventBase {
 /**
  * @description Ad Immunity Configuration Object
  * @property duration - a number indicating the duration of the ad immunity period. 0 disables the feature.
+ * @property adBreakCheckOffset - a number indicating how far ahead ad immunity should look for ad breaks
+ * to skip past, in order to mitigate ad frames being displayed before they have time to be seeked past.
  */
 export interface AdImmunityConfig {
   duration: number;
+  adBreakCheckOffset?: number;
 }
diff --git a/src/ts/InternalBitmovinYospacePlayer.ts b/src/ts/InternalBitmovinYospacePlayer.ts
index daf867f6..5b34bf35 100644
--- a/src/ts/InternalBitmovinYospacePlayer.ts
+++ b/src/ts/InternalBitmovinYospacePlayer.ts
@@ -151,8 +151,9 @@ export class InternalBitmovinYospacePlayer implements BitmovinYospacePlayerAPI {
   private startSent: boolean;
 
   private lastTimeChangedTime = 0;
-  private adImmunityConfig = {
+  private adImmunityConfig: AdImmunityConfig = {
     duration: 0, // 0 duration = disabled
+    adBreakCheckOffset: 200,
   };
   private adImmune = false;
   private adImmunityCountDown: number | null = null;
@@ -1228,7 +1229,7 @@ export class InternalBitmovinYospacePlayer implements BitmovinYospacePlayerAPI {
     // the offset of 500ms is an attempt to prevent the
     // first few frames of an ad playing before the seek
     // past the break has time to propagate
-    const adBreakCheckOffset = 500;
+    const adBreakCheckOffset = this.adImmunityConfig.adBreakCheckOffset;
     const upcomingAdBreak: AdBreak | null = this.session.getAdBreakForPlayhead(
       toMilliseconds(event.time) + adBreakCheckOffset
     );