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https://github.com/hensm/fx_cast.git
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Rename shim -> cast
This commit is contained in:
hensm
438
ext/src/cast/api/media/Media.ts
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438
ext/src/cast/api/media/Media.ts
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@@ -0,0 +1,438 @@
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"use strict";
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import { v1 as uuid } from "uuid";
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import logger from "../../../lib/logger";
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import { Volume, Error as _Error } from "../dataClasses";
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import {
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BreakStatus,
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EditTracksInfoRequest,
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GetStatusRequest,
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LiveSeekableRange,
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MediaInfo,
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PauseRequest,
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PlayRequest,
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QueueData,
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QueueJumpRequest,
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QueueInsertItemsRequest,
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QueueItem,
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QueueSetPropertiesRequest,
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QueueRemoveItemsRequest,
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QueueReorderItemsRequest,
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QueueUpdateItemsRequest,
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SeekRequest,
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StopRequest,
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VideoInformation,
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VolumeRequest
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} from "./dataClasses";
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import { PlayerState, RepeatMode } from "./enums";
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import { ErrorCode } from "../enums";
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import { ErrorCallback, SuccessCallback, UpdateListener } from "../../types";
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import { SenderMediaMessage } from "../types";
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export default class Media {
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#id = uuid();
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// Timestamp of last status update
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_lastUpdateTime = 0;
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_updateListeners = new Set<UpdateListener>();
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activeTrackIds: Nullable<number[]> = null;
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breakStatus?: BreakStatus;
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currentTime = 0;
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customData: any = null;
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idleReason: Nullable<string> = null;
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liveSeekableRange?: LiveSeekableRange;
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media: Nullable<MediaInfo> = null;
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playbackRate = 1;
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playerState = PlayerState.IDLE;
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repeatMode = RepeatMode.OFF;
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supportedMediaCommands: string[] = [];
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videoInfo?: VideoInformation;
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volume: Volume = new Volume();
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// Queues
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items: Nullable<QueueItem[]> = null;
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currentItemId: Nullable<number> = null;
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loadingItemId: Nullable<number> = null;
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preloadedItemId: Nullable<number> = null;
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queueData?: QueueData;
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constructor(
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public sessionId: string,
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public mediaSessionId: number,
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public _sendMediaMessage: (
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message: DistributiveOmit<SenderMediaMessage, "requestId">
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) => Promise<void>
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) {}
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addUpdateListener(listener: UpdateListener) {
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this._updateListeners.add(listener);
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}
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removeUpdateListener(listener: UpdateListener) {
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this._updateListeners.delete(listener);
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}
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editTracksInfo(
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editTracksInfoRequest: EditTracksInfoRequest,
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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this._sendMediaMessage({
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...editTracksInfoRequest,
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type: "EDIT_TRACKS_INFO",
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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getEstimatedBreakClipTime() {
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logger.info("STUB :: Media#getEstimatedBreakClipTime");
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}
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getEstimatedBreakTime() {
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logger.info("STUB :: Media#getEstimatedBreakTime");
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}
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getEstimatedLiveSeekableRange() {
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logger.info("STUB :: Media#getEstimatedLiveSeekableRange");
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}
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/**
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* Estimate the current playback position based on the last
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* time reported by the receiver and the current playback
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* rate.
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*/
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getEstimatedTime(): number {
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if (this.playerState === PlayerState.PLAYING && this._lastUpdateTime) {
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let estimatedTime =
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this.currentTime + (Date.now() - this._lastUpdateTime) / 1000;
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// Enforce valid range
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if (estimatedTime < 0) {
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estimatedTime = 0;
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} else if (
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this.media?.duration &&
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estimatedTime > this.media.duration
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) {
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estimatedTime = this.media.duration;
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}
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return estimatedTime;
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}
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return this.currentTime;
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}
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/**
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* Request media status from the receiver application. This
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* will also trigger any added media update listeners.
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*/
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getStatus(
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getStatusRequest = new GetStatusRequest(),
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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this._sendMediaMessage({
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...getStatusRequest,
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type: "MEDIA_GET_STATUS",
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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pause(
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pauseRequest = new PauseRequest(),
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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this._sendMediaMessage({
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...pauseRequest,
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type: "PAUSE",
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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play(
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playRequest = new PlayRequest(),
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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this._sendMediaMessage({
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...playRequest,
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type: "PLAY",
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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queueAppendItem(
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item: QueueItem,
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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this._sendMediaMessage({
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...new QueueInsertItemsRequest([item]),
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type: "QUEUE_INSERT",
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sessionId: this.sessionId,
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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queueInsertItems(
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queueInsertItemsRequest: QueueInsertItemsRequest,
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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this._sendMediaMessage({
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...queueInsertItemsRequest,
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type: "QUEUE_INSERT",
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sessionId: this.sessionId,
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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queueJumpToItem(
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itemId: number,
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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if (this.items?.find(item => item.itemId === itemId)) {
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const jumpRequest = new QueueJumpRequest();
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jumpRequest.currentItemId = itemId;
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this._sendMediaMessage({
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...jumpRequest,
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type: "QUEUE_UPDATE",
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sessionId: this.sessionId,
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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}
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queueMoveItemToNewIndex(
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itemId: number,
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newIndex: number,
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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// Return early if not in queue
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if (!this.items) {
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return;
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}
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const itemIndex = this.items.findIndex(item => item.itemId === itemId);
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if (itemIndex !== -1) {
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// New index must not be negative
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if (newIndex < 0) {
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if (errorCallback) {
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errorCallback(new _Error(ErrorCode.INVALID_PARAMETER));
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}
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} else if (newIndex == itemIndex) {
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if (successCallback) {
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successCallback();
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}
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}
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} else {
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if (newIndex > itemIndex) {
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newIndex++;
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}
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const reorderItemsRequest = new QueueReorderItemsRequest([itemId]);
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if (newIndex < this.items.length) {
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const existingItem = this.items[newIndex];
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reorderItemsRequest.insertBefore = existingItem.itemId;
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}
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this._sendMediaMessage({
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...reorderItemsRequest,
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type: "QUEUE_REORDER",
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sessionId: this.sessionId,
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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}
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queueNext(
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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const jumpRequest = new QueueJumpRequest();
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jumpRequest.jump = 1;
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this._sendMediaMessage({
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...jumpRequest,
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type: "QUEUE_UPDATE",
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sessionId: this.sessionId,
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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queuePrev(
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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const jumpRequest = new QueueJumpRequest();
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jumpRequest.jump = -1;
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this._sendMediaMessage({
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...jumpRequest,
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type: "QUEUE_UPDATE",
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sessionId: this.sessionId,
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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queueRemoveItem(
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itemId: number,
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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const item = this.items?.find(item => item.itemId === itemId);
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if (item) {
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this.queueRemoveItems(
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new QueueRemoveItemsRequest([itemId]),
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successCallback,
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errorCallback
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);
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}
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}
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queueRemoveItems(
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queueRemoveItemsRequest: QueueRemoveItemsRequest,
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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this._sendMediaMessage({
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...queueRemoveItemsRequest,
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mediaSessionId: this.mediaSessionId,
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type: "QUEUE_REMOVE",
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sessionId: this.sessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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queueReorderItems(
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queueReorderItemsRequest: QueueReorderItemsRequest,
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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this._sendMediaMessage({
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...queueReorderItemsRequest,
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mediaSessionId: this.mediaSessionId,
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type: "QUEUE_REORDER",
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sessionId: this.sessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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queueSetRepeatMode(
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repeatMode: string,
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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const setPropertiesRequest = new QueueSetPropertiesRequest();
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setPropertiesRequest.repeatMode = repeatMode;
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this._sendMediaMessage({
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...setPropertiesRequest,
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type: "QUEUE_UPDATE",
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sessionId: this.sessionId,
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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queueUpdateItems(
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queueUpdateItemsRequest: QueueUpdateItemsRequest,
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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this._sendMediaMessage({
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...queueUpdateItemsRequest,
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type: "QUEUE_UPDATE",
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sessionId: this.sessionId,
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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seek(
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seekRequest: SeekRequest,
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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this._sendMediaMessage({
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...seekRequest,
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type: "SEEK",
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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setVolume(
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volumeRequest: VolumeRequest,
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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this._sendMediaMessage({
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...volumeRequest,
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type: "MEDIA_SET_VOLUME",
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mediaSessionId: this.mediaSessionId
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})
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.then(successCallback)
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.catch(errorCallback);
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}
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stop(
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stopRequest?: StopRequest,
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successCallback?: SuccessCallback,
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errorCallback?: ErrorCallback
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) {
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if (!stopRequest) {
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stopRequest = new StopRequest();
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}
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this._sendMediaMessage({
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...stopRequest,
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type: "STOP",
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mediaSessionId: this.mediaSessionId
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})
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.then(() => {
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if (successCallback) {
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successCallback();
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}
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})
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.catch(errorCallback);
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}
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supportsCommand(command: string): boolean {
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return this.supportedMediaCommands.includes(command);
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}
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}
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