From 87786f4df6fd172dcc6cb996b947104f646d9af2 Mon Sep 17 00:00:00 2001
From: Nick Michael <nick-michael@users.noreply.github.com>
Date: Wed, 2 Jun 2021 03:09:53 +0100
Subject: [PATCH] fix: Fix EC-3 box support in DRM workaround on smart TVs
 (#3427)

---
 lib/media/content_workarounds.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/media/content_workarounds.js b/lib/media/content_workarounds.js
index 716f1d4ed3..22fe4a9750 100644
--- a/lib/media/content_workarounds.js
+++ b/lib/media/content_workarounds.js
@@ -75,6 +75,12 @@ shaka.media.ContentWorkarounds = class {
             newType: ContentWorkarounds.BOX_TYPE_ENCV_,
           });
         })
+        .fullBox('ec-3', (box) => {
+          boxesToModify.push({
+            box,
+            newType: ContentWorkarounds.BOX_TYPE_ENCA_,
+          });
+        })
         .fullBox('mp4a', (box) => {
           boxesToModify.push({
             box,