1 files changed, 38 insertions, 0 deletions
diff --git a/dom/webidl/EncodedAudioChunk.webidl b/dom/webidl/EncodedAudioChunk.webidl
new file mode 100644
index 0000000000..bf4c44e47d
--- /dev/null
+++ b/dom/webidl/EncodedAudioChunk.webidl
@@ -0,0 +1,38 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * https://w3c.github.io/webcodecs/#encodedaudiochunk
+ */
+
+// [Serializable] is implemented without adding attribute here.
+[Exposed=(Window,DedicatedWorker), Pref="dom.media.webcodecs.enabled"]
+interface EncodedAudioChunk {
+  [Throws]
+  constructor(EncodedAudioChunkInit init);
+  readonly attribute EncodedAudioChunkType type;
+  readonly attribute long long timestamp;          // microseconds
+  readonly attribute unsigned long long? duration; // microseconds
+  readonly attribute unsigned long byteLength;
+
+  [Throws]
+  undefined copyTo(
+      // bug 1696216: Should be `copyTo(AllowSharedBufferSource destination, ...)`
+      ([AllowShared] ArrayBufferView or [AllowShared] ArrayBuffer) destination);
+};
+
+dictionary EncodedAudioChunkInit {
+  required EncodedAudioChunkType type;
+  required [EnforceRange] long long timestamp;    // microseconds
+  [EnforceRange] unsigned long long duration;     // microseconds
+  // bug 1696216: Should be AllowSharedBufferSource
+  required ([AllowShared] ArrayBufferView or [AllowShared] ArrayBuffer) data;
+  sequence<ArrayBuffer> transfer = [];
+};
+
+enum EncodedAudioChunkType {
+    "key",
+    "delta"
+};