LibreTube/app/src/main/res/drawable/ic_pause.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24"
    android:tint="?attr/colorControlNormal">
    <path
        android:fillColor="@android:color/white"
        android:pathData="M6,19h4L10,5L6,5v14zM14,5v14h4L18,5h-4z" />
</vector>