examples/media/use_media_decoder/meta/use_media_decoder.cmx

{
    "program": {
        "binary": "bin/use_media_decoder"
    },
    "sandbox": {
        "features": [
            "system-temp"
        ],
        "services": [
            "fuchsia.mediacodec.CodecFactory",
            "fuchsia.ui.scenic.Scenic",
            "fuchsia.ui.viewsv1.ViewManager"
        ]
    }
}