--- title: BroadcastPlayer --- # BroadcastPlayer Module --- Version BroadcastPlayer 0.18.0-proposed.1 ## Table of Contents - [Table of Contents](#table-of-contents) - [Usage](#usage) - [Overview](#overview) - [Methods](#methods) - [createError](#createerror) - [createResponse](#createresponse) - [provide](#provide) - [provideStatus](#providestatus) - [statusError](#statuserror) - [statusResponse](#statusresponse) - [Events](#events) - [onRequestCreate](#onrequestcreate) - [onRequestStatus](#onrequeststatus) - [Provider Interfaces](#provider-interfaces) - [BroadcastPlayerProvider](#broadcastplayerprovider) - [Types](#types) - [BroadcastPlayerInstance](#broadcastplayerinstance) - [BroadcastPlayerCreateRequest](#broadcastplayercreaterequest) - [BroadcastPlayerStatus](#broadcastplayerstatus) - [BroadcastPlayerCreateProviderRequest](#broadcastplayercreateproviderrequest) ## Usage To use the BroadcastPlayer module, you can import it into your project from the Firebolt SDK: ```javascript import { BroadcastPlayer } from '@firebolt-js/provider-sdk' ``` ## Overview A module for controlling and accessing media over broadcast ## Methods ### createError *This is an private RPC method.* Internal API for Create Provider to send back error. Parameters: | Param | Type | Required | Description | | ---------------------- | -------------------- | ------------------------ | ----------------------- | | `error` | [`ProviderResponse`](../Types/schemas/#ProviderResponse) | true | | Result: ```typescript null ``` Capabilities: | Role | Capability | | --------------------- | -------------------------- | | provides | xrn:firebolt:capability:player:broadcast | #### Examples Example 1 JSON-RPC: Request: ```json { "jsonrpc": "2.0", "id": 1, "method": "BroadcastPlayer.createError", "params": { "error": { "correlationId": "123", "result": { "code": 1, "message": "Error" } } } } ``` Response: ```json { "jsonrpc": "2.0", "id": 1, "result": null } ``` --- ### createResponse *This is an private RPC method.* Internal API for Create Provider to send back response. Parameters: | Param | Type | Required | Description | | ---------------------- | -------------------- | ------------------------ | ----------------------- | | `response` | [`ProviderResponse`](../Types/schemas/#ProviderResponse) | true | | Result: ```typescript null ``` Capabilities: | Role | Capability | | --------------------- | -------------------------- | | provides | xrn:firebolt:capability:player:broadcast | #### Examples Example #1 JSON-RPC: Request: ```json { "jsonrpc": "2.0", "id": 1, "method": "BroadcastPlayer.createResponse", "params": { "response": { "correlationId": "123", "result": { "playerId": "123", "windowId": "456" } } } } ``` Response: ```json { "jsonrpc": "2.0", "id": 1, "result": null } ``` Example #2 JSON-RPC: Request: ```json { "jsonrpc": "2.0", "id": 1, "method": "BroadcastPlayer.createResponse", "params": { "response": { "correlationId": "123", "result": { "playerId": "abc", "windowId": "def" } } } } ``` Response: ```json { "jsonrpc": "2.0", "id": 1, "result": null } ``` --- ### provide To provide a specific capability to the platform. See [Provider Interfaces](#provider-interfaces) for a list of interfaces available to provide in this module. ```typescript provide(capability: string, provider: any): void ``` Parameters: | Param | Type | Required | Summary | | ---------------------- | -------------------- | ------------------------ | ----------------------- | | `capability` | `string` | Yes | The capability that is being provided. | | `provider` | `any` | Yes | An implementation of the required interface. | See [Provider Interfaces](#provider-interfaces) for each capabilities interface definition. ### provideStatus Tells listeners the current broadcast status of a player ```typescript function provideStatus(playerId: string, status: BroadcastPlayerStatus): Promise ``` Parameters: | Param | Type | Required | Description | | ---------------------- | -------------------- | ------------------------ | ----------------------- | | `playerId` | `string` | true | The id of the player the status is for | , | `status` | [`BroadcastPlayerStatus`](#broadcastplayerstatus) | true | The status | Promise resolution: ```typescript void ``` Capabilities: | Role | Capability | | --------------------- | -------------------------- | | provides | xrn:firebolt:capability:player:broadcast | #### Examples Default example #1 JavaScript: ```javascript import { BroadcastPlayer } from '@firebolt-js/provider-sdk' BroadcastPlayer.provideStatus("123", { "locked": false, "frequency": 695000000, "signalStrength": 90, "signalQuality": 90 }) .then(providedResponse => { console.log(providedResponse) }) ``` Value of `providedResponse`: ```javascript null ```
JSON-RPC: Request: ```json { "jsonrpc": "2.0", "id": 1, "method": "BroadcastPlayer.provideStatus", "params": { "playerId": "123", "status": { "locked": false, "frequency": 695000000, "signalStrength": 90, "signalQuality": 90 } } } ``` Response: ```json { "jsonrpc": "2.0", "id": 1, "result": null } ```
--- ### statusError *This is an private RPC method.* Internal API for Status Provider to send back error. Parameters: | Param | Type | Required | Description | | ---------------------- | -------------------- | ------------------------ | ----------------------- | | `error` | [`ProviderResponse`](../Types/schemas/#ProviderResponse) | true | | Result: ```typescript null ``` Capabilities: | Role | Capability | | --------------------- | -------------------------- | | provides | xrn:firebolt:capability:player:broadcast | #### Examples Example 1 JSON-RPC: Request: ```json { "jsonrpc": "2.0", "id": 1, "method": "BroadcastPlayer.statusError", "params": { "error": { "correlationId": "123", "result": { "code": 1, "message": "Error" } } } } ``` Response: ```json { "jsonrpc": "2.0", "id": 1, "result": null } ``` --- ### statusResponse *This is an private RPC method.* Internal API for Status Provider to send back response. Parameters: | Param | Type | Required | Description | | ---------------------- | -------------------- | ------------------------ | ----------------------- | | `response` | [`ProviderResponse`](../Types/schemas/#ProviderResponse) | true | | Result: ```typescript null ``` Capabilities: | Role | Capability | | --------------------- | -------------------------- | | provides | xrn:firebolt:capability:player:broadcast | #### Examples Example JSON-RPC: Request: ```json { "jsonrpc": "2.0", "id": 1, "method": "BroadcastPlayer.statusResponse", "params": { "response": { "correlationId": "123", "result": { "locked": false, "frequency": 1, "signalStrength": 90, "signalQuality": 90 } } } } ``` Response: ```json { "jsonrpc": "2.0", "id": 1, "result": null } ``` --- ## Events ### onRequestCreate *This is an private RPC method.* Registers as a provider for creating player instances Parameters: | Param | Type | Required | Description | | ---------------------- | -------------------- | ------------------------ | ----------------------- | | `listen` | `boolean` | true | | Result: [BroadcastPlayerCreateProviderRequest](#broadcastplayercreateproviderrequest) Capabilities: | Role | Capability | | --------------------- | -------------------------- | | provides | xrn:firebolt:capability:player:broadcast | #### Examples Default Example JSON-RPC: Request: ```json { "jsonrpc": "2.0", "id": 1, "method": "BroadcastPlayer.onRequestCreate", "params": { "listen": true } } ``` Response: ```json { "jsonrpc": "2.0", "id": 1, "result": { "correlationId": "abc", "parameters": {} } } ``` --- ### onRequestStatus *This is an private RPC method.* Registers as a provider for when broadcast player status needs to be provided Parameters: | Param | Type | Required | Description | | ---------------------- | -------------------- | ------------------------ | ----------------------- | | `listen` | `boolean` | true | | Result: [PlayerProviderRequest](../Player/schemas/#PlayerProviderRequest) Capabilities: | Role | Capability | | --------------------- | -------------------------- | | provides | xrn:firebolt:capability:player:broadcast | #### Examples Default Example JSON-RPC: Request: ```json { "jsonrpc": "2.0", "id": 1, "method": "BroadcastPlayer.onRequestStatus", "params": { "listen": true } } ``` Response: ```json { "jsonrpc": "2.0", "id": 1, "result": { "correlationId": "abc", "parameters": { "playerId": "123" } } } ``` --- ## Provider Interfaces ### BroadcastPlayerProvider The provider interface for the `xrn:firebolt:capability:player:broadcast` capability. ```typescript ``` Usage: ```typescript BroadcastPlayer.provide('xrn:firebolt:capability:player:broadcast', provider: BroadcastPlayerProvider | object) ``` #### create Registers as a provider for creating player instances ```typescript function create(parameters?: BroadcastPlayerCreateRequest, session?: ProviderSession): Promise ``` Provider methods always have two arguments: | Param | Type | Required | Summary | | ---------------------- | -------------------- | ------------------------ | ----------------------- | | `parameters` | [`BroadcastPlayerCreateRequest`](#broadcastplayercreaterequest) | false | | | `session` | `ProviderSession` | false | | Promise resolution: | Property | Type | Description | |----------|------|-------------| | `playerId` | string | The id of player which can be used to load media or control the player | | `windowId` | string | The id of window which will render the media in, can be used to control on screen where the media is shown | #### status Registers as a provider for when broadcast player status needs to be provided ```typescript function status(parameters?: PlayerRequest, session?: ProviderSession): Promise ``` Provider methods always have two arguments: | Param | Type | Required | Summary | | ---------------------- | -------------------- | ------------------------ | ----------------------- | | `parameters` | [`PlayerRequest`](../Player/schemas/#PlayerRequest) | false | | | `session` | `ProviderSession` | false | | ${if.provider.params} | Parameters Property | Type | Required | Summary | | ---------------------- | -------------------- | ------------------------ | ----------------------- | | `playerId` | `string` | true | The id of the player instance to play in | ```typescript type PlayerRequest = { playerId: string // The id of the player instance to play in } ``` ${end.if.provider.params} Promise resolution: | Property | Type | Description | |----------|------|-------------| | `locked` | boolean | Whether the current media has been locked | | `frequency` | number | The signal frequency in hertz | | `signalStrength` | number | The strength of the signal from 0-100 | | `signalQuality` | number | The quality of the signal from 0-100 | #### Examples **Register your app to provide the `xrn:firebolt:capability:player:broadcast` capability.** ```javascript import { BroadcastPlayer } from '@firebolt-js/provider-sdk' class MyBroadcastPlayerProvider { async create(parameters, session) { return await Promise.resolve({ "playerId": "123", "windowId": "456" }) } async status(parameters, session) { return await Promise.resolve({ "locked": false, "frequency": 695000000, "signalStrength": 90, "signalQuality": 90 }) } } BroadcastPlayer.provide('xrn:firebolt:capability:player:broadcast', new MyBroadcastPlayerProvider()) ```
JSON-RPC **Register to recieve each provider API** Request: ```json { "id": 1, "method": "BroadcastPlayer.onRequestCreate", "params": { "listen": true } } { "id": 2, "method": "BroadcastPlayer.onRequestStatus", "params": { "listen": true } } ``` Response: ```json { "id": 1, "result": { "listening": true, "event": "BroadcastPlayer.onRequestCreate" } } { "id": 2, "result": { "listening": true, "event": "BroadcastPlayer.onRequestStatus" } } ``` **Asynchronous event to initiate create()** Event Response: ```json { "id": 1, "result": { "correlationId": "abc", "parameters": {} } } ``` **App initiated response to event** Request: ```json { "id": 3, "method": "BroadcastPlayer.createResponse", "params": { "correlationId": "abc", "result": { "playerId": "123", "windowId": "456" } } } ``` Response: ```json { "id": 3, "result": true } ``` **Asynchronous event to initiate status()** Event Response: ```json { "id": 2, "result": { "correlationId": "abc", "parameters": { "playerId": "123" } } } ``` **App initiated response to event** Request: ```json { "id": 4, "method": "BroadcastPlayer.statusResponse", "params": { "correlationId": "abc", "result": { "locked": false, "frequency": 695000000, "signalStrength": 90, "signalQuality": 90 } } } ``` Response: ```json { "id": 4, "result": true } ```
## Types ### BroadcastPlayerInstance ```typescript type BroadcastPlayerInstance = { playerId: string // The id of player which can be used to load media or control the player windowId: string // The id of window which will render the media in, can be used to control on screen where the media is shown } ``` --- ### BroadcastPlayerCreateRequest ```typescript type BroadcastPlayerCreateRequest = { } ``` --- ### BroadcastPlayerStatus ```typescript type BroadcastPlayerStatus = { locked: boolean // Whether the current media has been locked frequency: number // The signal frequency in hertz signalStrength: number // The strength of the signal from 0-100 signalQuality: number // The quality of the signal from 0-100 } ``` --- ### BroadcastPlayerCreateProviderRequest ```typescript type BroadcastPlayerCreateProviderRequest = { correlationId: string // An id to correlate the provider response with this request parameters: BroadcastPlayerCreateRequest } ``` See also: [BroadcastPlayerCreateRequest](#broadcastplayercreaterequest) ---