From 6b6aa59ffc97ac76b4429db38eedac8474f5fda7 Mon Sep 17 00:00:00 2001
From: Jeroen Vreeken <jeroen@vreeken.net>
Date: Thu, 18 Jul 2019 11:00:46 +0200
Subject: Alow AAC audio codec data in matroska/webm streams. Allow CRC32
 elements in matroska cluster elements.

---
 dom/media/webm/WebMDecoder.cpp | 4 ++++
 dom/media/webm/WebMDemuxer.cpp | 2 ++
 2 files changed, 6 insertions(+)

(limited to 'dom/media/webm')

diff --git a/dom/media/webm/WebMDecoder.cpp b/dom/media/webm/WebMDecoder.cpp
index 5cb943742..cbe9ffdb7 100644
--- a/dom/media/webm/WebMDecoder.cpp
+++ b/dom/media/webm/WebMDecoder.cpp
@@ -82,6 +82,10 @@ WebMDecoder::CanHandleMediaType(const nsACString& aMIMETypeExcludingCodecs,
       continue;
     }
 
+    if (IsAACCodecString(codec)) {
+      continue;
+    }
+
     // Some unsupported codec.
     return false;
   }
diff --git a/dom/media/webm/WebMDemuxer.cpp b/dom/media/webm/WebMDemuxer.cpp
index 2b6d46186..84b4b506e 100644
--- a/dom/media/webm/WebMDemuxer.cpp
+++ b/dom/media/webm/WebMDemuxer.cpp
@@ -422,6 +422,8 @@ WebMDemuxer::ReadMetadata()
         mInfo.mAudio.mMimeType = "audio/opus";
         OpusDataDecoder::AppendCodecDelay(mInfo.mAudio.mCodecSpecificConfig,
             media::TimeUnit::FromNanoseconds(params.codec_delay).ToMicroseconds());
+      } else if (mAudioCodec == NESTEGG_CODEC_AAC) {
+        mInfo.mAudio.mMimeType = "audio/mp4a-latm";
       }
       mSeekPreroll = params.seek_preroll;
       mInfo.mAudio.mRate = params.rate;
-- 
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