1 files changed, 8 insertions, 0 deletions
diff --git a/dom/media/fmp4/MP4Decoder.cpp b/dom/media/fmp4/MP4Decoder.cpp
index fdd6f2c7e..25dd53f94 100644
--- a/dom/media/fmp4/MP4Decoder.cpp
+++ b/dom/media/fmp4/MP4Decoder.cpp
@@ -139,6 +139,14 @@ MP4Decoder::CanHandleMediaType(const MediaContentType& aType,
             NS_LITERAL_CSTRING("audio/flac"), aType));
         continue;
       }
+#ifdef MOZ_AV1
+      if (IsAV1CodecString(codec)) {
+        trackInfos.AppendElement(
+          CreateTrackInfoWithMIMETypeAndContentTypeExtraParameters(
+            NS_LITERAL_CSTRING("video/av1"), aType));
+        continue;
+      }
+#endif
       // Note: Only accept H.264 in a video content type, not in an audio
       // content type.
       if (IsWhitelistedH264Codec(codec) && isMP4Video) {