Signal-Android/app/src/main/res/layout/giphy_mp4_player.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    tools:viewBindingIgnore="true"
    android:layout_width="match_parent"
    android:layout_height="0dp">

    <org.thoughtcrime.securesms.giph.mp4.GiphyMp4VideoPlayer
        android:id="@+id/video_player"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:clickable="false"
        android:contentDescription="@string/conversation_item__mms_image_description"
        android:longClickable="false" />

</FrameLayout>