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rx-player

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"use strict"; var __extends = (this && this.__extends) || (function () { var extendStatics = function (d, b) { extendStatics = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; }; return extendStatics(d, b); }; return function (d, b) { if (typeof b !== "function" && b !== null) throw new TypeError("Class extends value " + String(b) + " is not a constructor or null"); extendStatics(d, b); function __() { this.constructor = d; } d.prototype = b === null ? 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"Object is not iterable." : "Symbol.iterator is not defined."); }; Object.defineProperty(exports, "__esModule", { value: true }); var eme_1 = require("../../compat/eme"); var may_media_element_fail_on_undecipherable_data_1 = require("../../compat/may_media_element_fail_on_undecipherable_data"); var should_reload_media_source_on_decipherability_update_1 = require("../../compat/should_reload_media_source_on_decipherability_update"); var errors_1 = require("../../errors"); var features_1 = require("../../features"); var log_1 = require("../../log"); var manifest_1 = require("../../manifest"); var main_media_source_interface_1 = require("../../mse/main_media_source_interface"); var array_find_1 = require("../../utils/array_find"); var assert_1 = require("../../utils/assert"); var id_generator_1 = require("../../utils/id_generator"); var is_null_or_undefined_1 = require("../../utils/is_null_or_undefined"); var object_assign_1 = require("../../utils/object_assign"); var reference_1 = require("../../utils/reference"); var request_1 = require("../../utils/request"); var task_canceller_1 = require("../../utils/task_canceller"); var decrypt_1 = require("../decrypt"); var send_message_1 = require("./send_message"); var types_1 = require("./types"); var create_core_playback_observer_1 = require("./utils/create_core_playback_observer"); var create_media_source_1 = require("./utils/create_media_source"); var get_initial_time_1 = require("./utils/get_initial_time"); var get_loaded_reference_1 = require("./utils/get_loaded_reference"); var initial_seek_and_play_1 = require("./utils/initial_seek_and_play"); var rebuffering_controller_1 = require("./utils/rebuffering_controller"); var stream_events_emitter_1 = require("./utils/stream_events_emitter/stream_events_emitter"); var throw_on_media_error_1 = require("./utils/throw_on_media_error"); var update_manifest_codec_support_1 = require("./utils/update_manifest_codec_support"); var generateContentId = (0, id_generator_1.default)(); /** * @class MultiThreadContentInitializer */ var MultiThreadContentInitializer = /** @class */ (function (_super) { __extends(MultiThreadContentInitializer, _super); /** * Create a new `MultiThreadContentInitializer`, associated to the given * settings. * @param {Object} settings */ function MultiThreadContentInitializer(settings) { var _this = _super.call(this) || this; _this._settings = settings; _this._initCanceller = new task_canceller_1.default(); _this._currentMediaSourceCanceller = new task_canceller_1.default(); _this._currentMediaSourceCanceller.linkToSignal(_this._initCanceller.signal); _this._currentContentInfo = null; _this._awaitingRequests = { nextRequestId: 0, pendingSinkMetrics: new Map(), pendingThumbnailFetching: new Map(), }; _this._queuedWorkerMessages = null; return _this; } /** * Perform non-destructive preparation steps, to prepare a future content. */ MultiThreadContentInitializer.prototype.prepare = function () { var _this = this; var _a, _b; if (this._currentContentInfo !== null || this._initCanceller.isUsed()) { return; } var contentId = generateContentId(); var _c = this._settings, adaptiveOptions = _c.adaptiveOptions, transportOptions = _c.transportOptions, useMseInWorker = _c.useMseInWorker, worker = _c.worker; var _d = this._settings.bufferOptions, wantedBufferAhead = _d.wantedBufferAhead, maxVideoBufferSize = _d.maxVideoBufferSize, maxBufferAhead = _d.maxBufferAhead, maxBufferBehind = _d.maxBufferBehind; var initialVideoBitrate = adaptiveOptions.initialBitrates.video; var initialAudioBitrate = adaptiveOptions.initialBitrates.audio; this._currentContentInfo = { contentId: contentId, contentDecryptor: null, manifest: null, mediaSourceInfo: null, rebufferingController: null, streamEventsEmitter: null, initialTime: undefined, autoPlay: undefined, initialPlayPerformed: null, useMseInWorker: useMseInWorker, }; (0, send_message_1.default)(worker, { type: "prepare" /* MainThreadMessageType.PrepareContent */, value: { contentId: contentId, cmcd: this._settings.cmcd, enableRepresentationAvoidance: this._settings.enableRepresentationAvoidance, url: this._settings.url, hasText: this._hasTextBufferFeature(), transportOptions: transportOptions, initialVideoBitrate: initialVideoBitrate, initialAudioBitrate: initialAudioBitrate, manifestRetryOptions: __assign(__assign({}, this._settings.manifestRequestSettings), { lowLatencyMode: this._settings.lowLatencyMode }), segmentRetryOptions: this._settings.segmentRequestOptions, useMseInWorker: useMseInWorker, }, }); this._initCanceller.signal.register(function () { (0, send_message_1.default)(worker, { type: "stop" /* MainThreadMessageType.StopContent */, contentId: contentId, value: null, }); }); if (this._initCanceller.isUsed()) { return; } this._queuedWorkerMessages = []; log_1.default.debug("Init", "addEventListener prepare buffering worker messages"); var onmessage = function (evt) { var msgData = evt.data; var type = msgData.type; switch (type) { case "log" /* WorkerMessageType.LogMessage */: { var formatted = msgData.value.logs.map(function (l) { switch (typeof l) { case "string": case "number": case "boolean": case "undefined": return l; case "object": if (l === null) { return null; } return formatSentLogObject(l); default: (0, assert_1.assertUnreachable)(l); } }); switch (msgData.value.logLevel) { case "NONE": break; case "ERROR": log_1.default.error.apply(log_1.default, __spreadArray([msgData.value.namespace], __read(formatted), false)); break; case "WARNING": log_1.default.warn.apply(log_1.default, __spreadArray([msgData.value.namespace], __read(formatted), false)); break; case "INFO": log_1.default.info.apply(log_1.default, __spreadArray([msgData.value.namespace], __read(formatted), false)); break; case "DEBUG": log_1.default.debug.apply(log_1.default, __spreadArray([msgData.value.namespace], __read(formatted), false)); break; default: (0, assert_1.assertUnreachable)(msgData.value.logLevel); } break; } default: if (_this._queuedWorkerMessages !== null) { _this._queuedWorkerMessages.push(evt); } break; } }; this._settings.worker.addEventListener("message", onmessage); var onmessageerror = function (_msg) { log_1.default.error("Init", "Error when receiving message from worker."); }; this._settings.worker.addEventListener("messageerror", onmessageerror); this._initCanceller.signal.register(function () { log_1.default.debug("Init", "removeEventListener prepare for worker message"); _this._settings.worker.removeEventListener("message", onmessage); _this._settings.worker.removeEventListener("messageerror", onmessageerror); }); // Also bind all `SharedReference` objects: var throttleVideoBitrate = (_a = adaptiveOptions.throttlers.throttleBitrate.video) !== null && _a !== void 0 ? _a : new reference_1.default(Infinity); bindNumberReferencesToWorker(worker, this._initCanceller.signal, [wantedBufferAhead, "wantedBufferAhead"], [maxVideoBufferSize, "maxVideoBufferSize"], [maxBufferAhead, "maxBufferAhead"], [maxBufferBehind, "maxBufferBehind"], [throttleVideoBitrate, "throttleVideoBitrate"]); var limitVideoResolution = (_b = adaptiveOptions.throttlers.limitResolution.video) !== null && _b !== void 0 ? _b : new reference_1.default({ height: undefined, width: undefined, pixelRatio: 1, }); limitVideoResolution.onUpdate(function (newVal) { (0, send_message_1.default)(worker, { type: "ref-update" /* MainThreadMessageType.ReferenceUpdate */, value: { name: "limitVideoResolution", newVal: newVal }, }); }, { clearSignal: this._initCanceller.signal, emitCurrentValue: true }); }; /** * Update URL of the Manifest. * @param {Array.<string>|undefined} urls - URLs to reach that Manifest from * the most prioritized URL to the least prioritized URL. * @param {boolean} refreshNow - If `true` the resource in question (e.g. * DASH's MPD) will be refreshed immediately. */ MultiThreadContentInitializer.prototype.updateContentUrls = function (urls, refreshNow) { if (this._currentContentInfo === null) { return; } (0, send_message_1.default)(this._settings.worker, { type: "urls-update" /* MainThreadMessageType.ContentUrlsUpdate */, contentId: this._currentContentInfo.contentId, value: { urls: urls, refreshNow: refreshNow }, }); }; /** * @param {HTMLMediaElement} mediaElement * @param {Object} playbackObserver */ MultiThreadContentInitializer.prototype.start = function (mediaElement, playbackObserver) { var e_1, _a; var _this = this; this.prepare(); // Load Manifest if not already done if (this._initCanceller.isUsed()) { return; } var textDisplayer = null; if (this._settings.textTrackOptions.textTrackMode === "html" && features_1.default.htmlTextDisplayer !== null) { (0, assert_1.default)(this._hasTextBufferFeature()); textDisplayer = new features_1.default.htmlTextDisplayer(mediaElement, this._settings.textTrackOptions.textTrackElement); } else if (features_1.default.nativeTextDisplayer !== null) { (0, assert_1.default)(this._hasTextBufferFeature()); textDisplayer = new features_1.default.nativeTextDisplayer(mediaElement); } else { (0, assert_1.default)(!this._hasTextBufferFeature()); } this._initCanceller.signal.register(function () { textDisplayer === null || textDisplayer === void 0 ? void 0 : textDisplayer.stop(); }); /** Translate errors coming from the media element into RxPlayer errors. */ (0, throw_on_media_error_1.default)(mediaElement, function (error) { return _this._onFatalError(error); }, this._initCanceller.signal); /** * Send content protection initialization data. * TODO remove and use ContentDecryptor directly when possible. */ var lastContentProtection = new reference_1.default(null); var mediaSourceStatus = new reference_1.default(0 /* MediaSourceInitializationStatus.Nothing */); var _b = this._initializeContentDecryption(mediaElement, lastContentProtection, mediaSourceStatus, function () { return notifyAndStartMediaSourceReload(0, undefined, undefined); }, this._initCanceller.signal), drmInitializationStatus = _b.statusRef, contentDecryptor = _b.contentDecryptor; var contentInfo = this._currentContentInfo; if (contentInfo !== null) { contentInfo.contentDecryptor = contentDecryptor; } var playbackStartParams = { mediaElement: mediaElement, textDisplayer: textDisplayer, playbackObserver: playbackObserver, drmInitializationStatus: drmInitializationStatus, mediaSourceStatus: mediaSourceStatus, }; mediaSourceStatus.onUpdate(function (msInitStatus, stopListeningMSStatus) { if (msInitStatus === 2 /* MediaSourceInitializationStatus.Attached */) { stopListeningMSStatus(); _this._startPlaybackIfReady(playbackStartParams); } }, { clearSignal: this._initCanceller.signal, emitCurrentValue: true }); drmInitializationStatus.onUpdate(function (initializationStatus, stopListeningDrm) { if (initializationStatus.initializationState.type === "initialized") { stopListeningDrm(); _this._startPlaybackIfReady(playbackStartParams); } }, { emitCurrentValue: true, clearSignal: this._initCanceller.signal }); /** * Reset directly (synchronously) the current `MediaSource` and signal to * the core that we did so. * @param {number} deltaPosition - Position you want to seek to after * reloading, as a delta in seconds from the last polled playing position. * @param {number|undefined} minimumPosition - If set, minimum time bound * in seconds after `deltaPosition` has been applied. * @param {number|undefined} maximumPosition - If set, minimum time bound * in seconds after `deltaPosition` has been applied. */ var notifyAndStartMediaSourceReload = function (deltaPosition, minimumPosition, maximumPosition) { var reloadingContentInfo = _this._currentContentInfo; if (reloadingContentInfo === null) { log_1.default.warn("Init", "Asked to reload when no content is loaded."); return; } if (reloadingContentInfo === null || reloadingContentInfo.mediaSourceInfo === null) { log_1.default.warn("Init", "Asked to reload when no MediaSource is active."); return; } var mediaSourceId = reloadingContentInfo.mediaSourceInfo.type === "main" ? reloadingContentInfo.mediaSourceInfo.mediaSource.id : reloadingContentInfo.mediaSourceInfo.mediaSourceId; (0, send_message_1.default)(_this._settings.worker, { type: "ms-reload" /* MainThreadMessageType.MediaSourceReload */, mediaSourceId: mediaSourceId, value: null, }); reloadMediaSource(deltaPosition, minimumPosition, maximumPosition); }; /** * Reset directly (synchronously) the current `MediaSource`. * * It is assumed that `core` already knows about this action. If not, call * `notifyAndStartMediaSourceReload` instead. * @param {number} deltaPosition - Position you want to seek to after * reloading, as a delta in seconds from the last polled playing position. * @param {number|undefined} minimumPosition - If set, minimum time bound * in seconds after `deltaPosition` has been applied. * @param {number|undefined} maximumPosition - If set, minimum time bound * in seconds after `deltaPosition` has been applied. */ var reloadMediaSource = function (deltaPosition, minimumPosition, maximumPosition) { var _a; var reloadingContentInfo = _this._currentContentInfo; if (reloadingContentInfo === null) { log_1.default.warn("Init", "Asked to reload when no content is loaded."); return; } var lastObservation = playbackObserver.getReference().getValue(); var currentPosition = lastObservation.position.getWanted(); var isPaused = ((_a = reloadingContentInfo.initialPlayPerformed) === null || _a === void 0 ? void 0 : _a.getValue()) === true || reloadingContentInfo.autoPlay === undefined ? lastObservation.paused : !reloadingContentInfo.autoPlay; var position = currentPosition + deltaPosition; if (minimumPosition !== undefined) { position = Math.max(minimumPosition, position); } if (maximumPosition !== undefined) { position = Math.min(maximumPosition, position); } _this._reload(mediaElement, textDisplayer, playbackObserver, mediaSourceStatus, position, !isPaused); }; var onmessage = function (msg) { var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m, _o, _p, _q, _r, _s, _t, _u, _v, _w, _x, _y, _z, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28; var msgData = msg.data; switch (msgData.type) { case "attach-media-source" /* WorkerMessageType.AttachMediaSource */: { if (((_a = _this._currentContentInfo) === null || _a === void 0 ? void 0 : _a.contentId) !== msgData.contentId) { return; } if (_this._currentContentInfo !== null) { if (((_b = _this._currentContentInfo.mediaSourceInfo) === null || _b === void 0 ? void 0 : _b.type) === "main") { _this._currentContentInfo.mediaSourceInfo.mediaSource.dispose(); } _this._currentContentInfo.mediaSourceInfo = { type: "core", mediaSourceId: msgData.mediaSourceId, }; } var mediaSourceLink_1 = msgData.value; mediaSourceStatus.onUpdate(function (currStatus, stopListening) { if (currStatus === 1 /* MediaSourceInitializationStatus.AttachNow */) { stopListening(); log_1.default.info("media", "Attaching MediaSource URL to the media element"); if (mediaSourceLink_1.type === "handle") { mediaElement.srcObject = mediaSourceLink_1.value; _this._currentMediaSourceCanceller.signal.register(function () { mediaElement.srcObject = null; }); } else { mediaElement.src = mediaSourceLink_1.value; _this._currentMediaSourceCanceller.signal.register(function () { (0, create_media_source_1.resetMediaElement)(mediaElement, mediaSourceLink_1.value); }); } (0, create_media_source_1.disableRemotePlaybackOnManagedMediaSource)(mediaElement, _this._currentMediaSourceCanceller.signal); mediaSourceStatus.setValue(2 /* MediaSourceInitializationStatus.Attached */); } }, { emitCurrentValue: true, clearSignal: _this._initCanceller.signal }); break; } case "warning" /* WorkerMessageType.Warning */: if (((_c = _this._currentContentInfo) === null || _c === void 0 ? void 0 : _c.contentId) !== msgData.contentId) { return; } _this.trigger("warning", formatWorkerError(msgData.value)); break; case "error" /* WorkerMessageType.Error */: if (((_d = _this._currentContentInfo) === null || _d === void 0 ? void 0 : _d.contentId) !== msgData.contentId) { return; } _this._onFatalError(formatWorkerError(msgData.value)); break; case "create-media-source" /* WorkerMessageType.CreateMediaSource */: _this._onCreateMediaSourceMessage(msgData, mediaElement, mediaSourceStatus, _this._settings.worker); break; case "add-source-buffer" /* WorkerMessageType.AddSourceBuffer */: { if (((_f = (_e = _this._currentContentInfo) === null || _e === void 0 ? void 0 : _e.mediaSourceInfo) === null || _f === void 0 ? void 0 : _f.type) !== "main" || _this._currentContentInfo.mediaSourceInfo.mediaSource.id !== msgData.mediaSourceId) { return; } var mediaSource = _this._currentContentInfo.mediaSourceInfo.mediaSource; mediaSource.addSourceBuffer(msgData.value.sourceBufferType, msgData.value.codec); } break; case "source-buffer-append" /* WorkerMessageType.SourceBufferAppend */: { if (((_h = (_g = _this._currentContentInfo) === null || _g === void 0 ? void 0 : _g.mediaSourceInfo) === null || _h === void 0 ? void 0 : _h.type) !== "main" || _this._currentContentInfo.mediaSourceInfo.mediaSource.id !== msgData.mediaSourceId) { return; } var mediaSource_1 = _this._currentContentInfo.mediaSourceInfo.mediaSource; var sourceBuffer_1 = (0, array_find_1.default)(mediaSource_1.sourceBuffers, function (s) { return s.type === msgData.sourceBufferType; }); if (sourceBuffer_1 === undefined) { return; } sourceBuffer_1 .appendBuffer(msgData.value.data, msgData.value.params) .then(function (buffered) { (0, send_message_1.default)(_this._settings.worker, { type: "sb-success" /* MainThreadMessageType.SourceBufferSuccess */, mediaSourceId: mediaSource_1.id, sourceBufferType: sourceBuffer_1.type, operationId: msgData.operationId, value: { buffered: buffered }, }); }) .catch(function (error) { (0, send_message_1.default)(_this._settings.worker, { type: "sb-error" /* MainThreadMessageType.SourceBufferError */, mediaSourceId: mediaSource_1.id, sourceBufferType: sourceBuffer_1.type, operationId: msgData.operationId, value: error instanceof task_canceller_1.CancellationError ? { errorName: "CancellationError" } : formatSourceBufferError(error).serialize(), }); }); } break; case "source-buffer-remove" /* WorkerMessageType.SourceBufferRemove */: { if (((_k = (_j = _this._currentContentInfo) === null || _j === void 0 ? void 0 : _j.mediaSourceInfo) === null || _k === void 0 ? void 0 : _k.type) !== "main" || _this._currentContentInfo.mediaSourceInfo.mediaSource.id !== msgData.mediaSourceId) { return; } var mediaSource_2 = _this._currentContentInfo.mediaSourceInfo.mediaSource; var sourceBuffer_2 = (0, array_find_1.default)(mediaSource_2.sourceBuffers, function (s) { return s.type === msgData.sourceBufferType; }); if (sourceBuffer_2 === undefined) { return; } sourceBuffer_2 .remove(msgData.value.start, msgData.value.end) .then(function (buffered) { (0, send_message_1.default)(_this._settings.worker, { type: "sb-success" /* MainThreadMessageType.SourceBufferSuccess */, mediaSourceId: mediaSource_2.id, sourceBufferType: sourceBuffer_2.type, operationId: msgData.operationId, value: { buffered: buffered }, }); }) .catch(function (error) { (0, send_message_1.default)(_this._settings.worker, { type: "sb-error" /* MainThreadMessageType.SourceBufferError */, mediaSourceId: mediaSource_2.id, sourceBufferType: sourceBuffer_2.type, operationId: msgData.operationId, value: error instanceof task_canceller_1.CancellationError ? { errorName: "CancellationError" } : formatSourceBufferError(error).serialize(), }); }); } break; case "abort-source-buffer" /* WorkerMessageType.AbortSourceBuffer */: { if (((_m = (_l = _this._currentContentInfo) === null || _l === void 0 ? void 0 : _l.mediaSourceInfo) === null || _m === void 0 ? void 0 : _m.type) !== "main" || _this._currentContentInfo.mediaSourceInfo.mediaSource.id !== msgData.mediaSourceId) { return; } var mediaSource = _this._currentContentInfo.mediaSourceInfo.mediaSource; var sourceBuffer = (0, array_find_1.default)(mediaSource.sourceBuffers, function (s) { return s.type === msgData.sourceBufferType; }); if (sourceBuffer === undefined) { return; } sourceBuffer.abort(); } break; case "update-media-source-duration" /* WorkerMessageType.UpdateMediaSourceDuration */: { if (((_p = (_o = _this._currentContentInfo) === null || _o === void 0 ? void 0 : _o.mediaSourceInfo) === null || _p === void 0 ? void 0 : _p.type) !== "main" || _this._currentContentInfo.mediaSourceInfo.mediaSource.id !== msgData.mediaSourceId) { return; } var mediaSource = _this._currentContentInfo.mediaSourceInfo.mediaSource; if ((mediaSource === null || mediaSource === void 0 ? void 0 : mediaSource.id) !== msgData.mediaSourceId) { return; } mediaSource.setDuration(msgData.value.duration, msgData.value.isRealEndKnown); } break; case "stop-media-source-duration" /* WorkerMessageType.InterruptMediaSourceDurationUpdate */: { if (((_r = (_q = _this._currentContentInfo) === null || _q === void 0 ? void 0 : _q.mediaSourceInfo) === null || _r === void 0 ? void 0 : _r.type) !== "main" || _this._currentContentInfo.mediaSourceInfo.mediaSource.id !== msgData.mediaSourceId) { return; } var mediaSource = _this._currentContentInfo.mediaSourceInfo.mediaSource; if ((mediaSource === null || mediaSource === void 0 ? void 0 : mediaSource.id) !== msgData.mediaSourceId) { return; } mediaSource.interruptDurationSetting(); } break; case "end-of-stream" /* WorkerMessageType.EndOfStream */: { if (((_t = (_s = _this._currentContentInfo) === null || _s === void 0 ? void 0 : _s.mediaSourceInfo) === null || _t === void 0 ? void 0 : _t.type) !== "main" || _this._currentContentInfo.mediaSourceInfo.mediaSource.id !== msgData.mediaSourceId) { return; } var mediaSource = _this._currentContentInfo.mediaSourceInfo.mediaSource; mediaSource.maintainEndOfStream(); } break; case "stop-end-of-stream" /* WorkerMessageType.InterruptEndOfStream */: { if (((_v = (_u = _this._currentContentInfo) === null || _u === void 0 ? void 0 : _u.mediaSourceInfo) === null || _v === void 0 ? void 0 : _v.type) !== "main" || _this._currentContentInfo.mediaSourceInfo.mediaSource.id !== msgData.mediaSourceId) { return; } var mediaSource = _this._currentContentInfo.mediaSourceInfo.mediaSource; mediaSource.stopEndOfStream(); } break; case "dispose-media-source" /* WorkerMessageType.DisposeMediaSource */: { if (((_x = (_w = _this._currentContentInfo) === null || _w === void 0 ? void 0 : _w.mediaSourceInfo) === null || _x === void 0 ? void 0 : _x.type) !== "main" || _this._currentContentInfo.mediaSourceInfo.mediaSource.id !== msgData.mediaSourceId) { return; } var mediaSource = _this._currentContentInfo.mediaSourceInfo.mediaSource; mediaSource.dispose(); } break; case "needs-buffer-flush" /* WorkerMessageType.NeedsBufferFlush */: { if (((_y = _this._currentContentInfo) === null || _y === void 0 ? void 0 : _y.contentId) !== msgData.contentId) { return; } var lastObservation = playbackObserver.getReference().getValue(); var currentTime = lastObservation.position.isAwaitingFuturePosition() ? lastObservation.position.getWanted() : mediaElement.currentTime; var relativeResumingPosition = (_0 = (_z = msgData.value) === null || _z === void 0 ? void 0 : _z.relativeResumingPosition) !== null && _0 !== void 0 ? _0 : 0; var canBeApproximateSeek = Boolean((_1 = msgData.value) === null || _1 === void 0 ? void 0 : _1.relativePosHasBeenDefaulted); var wantedSeekingTime = void 0; if (relativeResumingPosition === 0 && canBeApproximateSeek) { // in case relativeResumingPosition is 0, we still perform // a tiny seek to be sure that the browser will correclty reload the video. wantedSeekingTime = currentTime + 0.001; } else { wantedSeekingTime = currentTime + relativeResumingPosition; } playbackObserver.setCurrentTime(wantedSeekingTime); break; } case "active-period-changed" /* WorkerMessageType.ActivePeriodChanged */: { if (((_2 = _this._currentContentInfo) === null || _2 === void 0 ? void 0 : _2.contentId) !== msgData.contentId || _this._currentContentInfo.manifest === null) { return; } var period = (0, array_find_1.default)(_this._currentContentInfo.manifest.periods, function (p) { return p.id === msgData.value.periodId; }); if (period !== undefined) { _this.trigger("activePeriodChanged", { period: period }); } break; } case "adaptation-changed" /* WorkerMessageType.AdaptationChanged */: { if (((_3 = _this._currentContentInfo) === null || _3 === void 0 ? void 0 : _3.contentId) !== msgData.contentId || _this._currentContentInfo.manifest === null) { return; } var period = (0, array_find_1.default)(_this._currentContentInfo.manifest.periods, function (p) { return p.id === msgData.value.periodId; }); if (period === undefined) { return; } if (msgData.value.adaptationId === null) { _this.trigger("adaptationChange", { period: period, adaptation: null, type: msgData.value.type, }); return; } var adaptations = (_4 = period.adaptations[msgData.value.type]) !== null && _4 !== void 0 ? _4 : []; var adaptation = (0, array_find_1.default)(adaptations, function (a) { return a.id === msgData.value.adaptationId; }); if (adaptation !== undefined) { _this.trigger("adaptationChange", { period: period, adaptation: adaptation, type: msgData.value.type, }); } break; } case "representation-changed" /* WorkerMessageType.RepresentationChanged */: { if (((_5 = _this._currentContentInfo) === null || _5 === void 0 ? void 0 : _5.contentId) !== msgData.contentId || _this._currentContentInfo.manifest === null) { return; } var period = (0, array_find_1.default)(_this._currentContentInfo.manifest.periods, function (p) { return p.id === msgData.value.periodId; }); if (period === undefined) { return; } if (msgData.value.representationId === null) { _this.trigger("representationChange", { period: period, type: msgData.value.type, representation: null, }); return; } var adaptations = (_6 = period.adaptations[msgData.value.type]) !== null && _6 !== void 0 ? _6 : []; var adaptation = (0, array_find_1.default)(adaptations, function (a) { return a.id === msgData.value.adaptationId; }); if (adaptation === undefined) { return; } var representation = (0, array_find_1.default)(adaptation.representations, function (r) { return r.id === msgData.value.representationId; }); if (representation !== undefined) { _this.trigger("representationChange", { period: period, type: msgData.value.type, representation: representation, }); } break; } case "encryption-data-encountered" /* WorkerMessageType.EncryptionDataEncountered */: if (((_7 = _this._currentContentInfo) === null || _7 === void 0 ? void 0 : _7.contentId) !== msgData.contentId) { return; } lastContentProtection.setValue(msgData.value); break; case "manifest-ready" /* WorkerMessageType.ManifestReady */: { if (((_8 = _this._currentContentInfo) === null || _8 === void 0 ? void 0 : _8.contentId) !== msgData.contentId) { return; } var manifest = msgData.value.manifest; _this._currentContentInfo.manifest = manifest; _this._updateCodecSupport(manifest, mediaElement); _this._startPlaybackIfReady(playbackStartParams); break; } case "manifest-update" /* WorkerMessageType.ManifestUpdate */: { if (((_9 = _this._currentContentInfo) === null || _9 === void 0 ? void 0 : _9.contentId) !== msgData.contentId) { return; } var manifest = (_10 = _this._currentContentInfo) === null || _10 === void 0 ? void 0 : _10.manifest; if ((0, is_null_or_undefined_1.default)(manifest)) { log_1.default.error("Init", "Manifest update but no Manifest loaded"); return; } (0, manifest_1.replicateUpdatesOnManifestMetadata)(manifest, msgData.value.manifest, msgData.value.updates); (_12 = (_11 = _this._currentContentInfo) === null || _11 === void 0 ? void 0 : _11.streamEventsEmitter) === null || _12 === void 0 ? void 0 : _12.onManifestUpdate(manifest); _this._updateCodecSupport(manifest, mediaElement); _this.trigger("manifestUpdate", msgData.value.updates); break; } case "update-playback-rate" /* WorkerMessageType.UpdatePlaybackRate */: if (((_13 = _this._currentContentInfo) === null || _13 === void 0 ? void 0 : _13.contentId) !== msgData.contentId) { return; } playbackObserver.setPlaybackRate(msgData.value); break; case "bitrate-estimate-change" /* WorkerMessageType.BitrateEstimateChange */: if (((_14 = _this._currentContentInfo) === null || _14 === void 0 ? void 0 : _14.contentId) !== msgData.contentId) { return; } _this.trigger("bitrateEstimateChange", { type: msgData.value.bufferType, bitrate: msgData.value.bitrate, }); break; case "inband-event" /* WorkerMessageType.InbandEvent */: if (((_15 = _this._currentContentInfo) === null || _15 === void 0 ? void 0 : _15.contentId) !== msgData.contentId) { return; } _this.trigger("inbandEvents", msgData.value); break; case "locked-stream" /* WorkerMessageType.LockedStream */: { if (((_16 = _this._currentContentInfo) === null || _16 === void 0 ? void 0 : _16.contentId) !== msgData.contentId || _this._currentContentInfo.manifest === null) { return; } var period = (0, array_find_1.default)(_this._currentContentInfo.manifest.periods, function (p) { return p.id === msgData.value.periodId; }); if (period === undefined) { return; } (_17 = _this._currentContentInfo.rebufferingController) === null || _17 === void 0 ? void 0 : _17.onLockedStream(msgData.value.bufferType, period); break; } case "period-stream-ready" /* WorkerMessageType.PeriodStreamReady */: { if (((_18 = _this._currentContentInfo) === null || _18 === void 0 ? void 0 : _18.contentId) !== msgData.contentId || _this._currentContentInfo.manifest === null) { return; } var period = (0, array_find_1.default)(_this._currentContentInfo.manifest.periods, function (p) { return p.id === msgData.value.periodId; }); if (period === undefined) { return; } var ref_1 = new reference_1.default(undefined); ref_1.onUpdate(function (adapChoice) { if (_this._currentContentInfo === null) { ref_1.finish(); return; } if (!(0, is_null_or_undefined_1.default)(adapChoice)) { adapChoice.representations.onUpdate(function (repChoice, stopListening) { if (_this._currentContentInfo === null) { stopListening(); return; } (0, send_message_1.default)(_this._settings.worker, { type: "rep-update" /* MainThreadMessageType.RepresentationUpdate */, contentId: _this._currentContentInfo.contentId, value: { periodId: msgData.value.periodId, adaptationId: adapChoice.adaptationId, bufferType: msgData.value.bufferType, choice: repChoice, }, }); }, { clearSignal: _this._initCanceller.signal }); } (0, send_message_1.default)(_this._settings.worker, { type: "track-update" /* MainThreadMessageType.TrackUpdate */, contentId: _this._currentContentInfo.contentId, value: { periodId: msgData.value.periodId, bufferType: msgData.value.bufferType, choice: (0, is_null_or_undefined_1.default)(adapChoice) ? adapChoice : { adaptationId: adapChoice.adaptationId, switchingMode: adapChoice.switchingMode, initialRepresentations: adapChoice.representations.getValue(), relativeResumingPosition: adapChoice.relativeResumingPosition, }, }, }); }, { clearSignal: _this._initCanceller.signal }); _this.trigger("periodStreamReady", { period: period, type: msgData.value.bufferType, adaptationRef: ref_1, }); break; } case "period-stream-cleared" /* WorkerMessageType.PeriodStreamCleared */: { if