From bf8359c70453d9f68a6e14cf04fd6ad132329129 Mon Sep 17 00:00:00 2001
From: Moonchild <moonchild@palemoon.org>
Date: Wed, 27 Apr 2022 11:13:34 +0000
Subject: Issue #1820 - Part 6: Extract bit depth information from codec
 parameter string into VideoInfo::mBitDepth.

---
 dom/media/fmp4/MP4Decoder.cpp | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/dom/media/fmp4/MP4Decoder.cpp b/dom/media/fmp4/MP4Decoder.cpp
index b57cd9b528..23f09324b4 100644
--- a/dom/media/fmp4/MP4Decoder.cpp
+++ b/dom/media/fmp4/MP4Decoder.cpp
@@ -135,9 +135,16 @@ MP4Decoder::CanHandleMediaType(const MediaContentType& aType,
         continue;
       }
       if (IsVP9CodecString(codec)) {
-        trackInfos.AppendElement(
-          CreateTrackInfoWithMIMETypeAndContainerTypeExtraParameters(
-            NS_LITERAL_CSTRING("video/vp9"), aType));
+        auto trackInfo =
+          CreateTrackInfoWithMIMETypeAndContentTypeExtraParameters(
+            NS_LITERAL_CSTRING("video/vp9"), aType);
+        uint8_t profile = 0;
+        uint8_t level = 0;
+        uint8_t bitDepth = 0;
+        if (ExtractVPXCodecDetails(codec, profile, level, bitDepth)) {
+          trackInfo->GetAsVideoInfo()->mBitDepth = bitDepth;
+        }
+        trackInfos.AppendElement(Move(trackInfo));
         continue;
       }
 #ifdef MOZ_AV1
-- 
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