feat: show call participants in room list (Discord-style)

apps/web/src/utils/createVoiceMessageContent.ts

@@ -0,0 +1,57 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+
+import { MsgType } from "matrix-js-sdk/src/matrix";
+import { type EncryptedFile, type RoomMessageEventContent } from "matrix-js-sdk/src/types";
+
+/**
+ * @param {string} mxc MXC URL of the file
+ * @param {string} mimetype
+ * @param {number} duration Duration in milliseconds
+ * @param {number} size
+ * @param {number[]} [waveform]
+ * @param {EncryptedFile} [file] Encrypted file
+ */
+export const createVoiceMessageContent = (
+    mxc: string | undefined,
+    mimetype: string,
+    duration: number,
+    size: number,
+    file?: EncryptedFile,
+    waveform?: number[],
+): RoomMessageEventContent => {
+    return {
+        "body": "Voice message",
+        //"msgtype": "org.matrix.msc2516.voice",
+        "msgtype": MsgType.Audio,
+        "url": mxc,
+        "file": file,
+        "info": {
+            duration,
+            mimetype,
+            size,
+        },
+
+        // MSC1767 + Ideals of MSC2516 as MSC3245
+        // https://github.com/matrix-org/matrix-doc/pull/3245
+        "org.matrix.msc1767.text": "Voice message",
+        "org.matrix.msc1767.file": {
+            url: mxc,
+            file,
+            name: "Voice message.ogg",
+            mimetype,
+            size,
+        },
+        "org.matrix.msc1767.audio": {
+            duration,
+            // https://github.com/matrix-org/matrix-doc/pull/3246
+            waveform,
+        },
+        "org.matrix.msc3245.voice": {}, // No content, this is a rendering hint
+    };
+};