rx-player
Version:
Canal+ HTML5 Video Player
128 lines (127 loc) • 6.44 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
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}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.loadThumbnail = loadThumbnail;
exports.parseThumbnail = parseThumbnail;
var xhr_1 = require("../../utils/request/xhr");
var add_query_string_1 = require("../utils/add_query_string");
var byte_range_1 = require("../utils/byte_range");
var construct_segment_url_1 = require("./construct_segment_url");
/**
* Load thumbnails for DASH content.
* @param {Object|null} wantedCdn
* @param {Object} thumbnail
* @param {Object} options
* @param {Object} cancelSignal
* @returns {Promise}
*/
function loadThumbnail(wantedCdn, thumbnail, options, cancelSignal) {
return __awaiter(this, void 0, void 0, function () {
var initialUrl, url, cmcdHeaders, headers;
var _a, _b;
return __generator(this, function (_c) {
initialUrl = (0, construct_segment_url_1.default)(wantedCdn, thumbnail);
if (initialUrl === null) {
return [2 /*return*/, Promise.reject(new Error("Cannot load thumbnail: no URL"))];
}
url = ((_a = options.cmcdPayload) === null || _a === void 0 ? void 0 : _a.type) === "query"
? (0, add_query_string_1.default)(initialUrl, options.cmcdPayload.value)
: initialUrl;
cmcdHeaders = ((_b = options.cmcdPayload) === null || _b === void 0 ? void 0 : _b.type) === "headers" ? options.cmcdPayload.value : undefined;
if (thumbnail.range !== undefined) {
headers = __assign(__assign({}, cmcdHeaders), { Range: (0, byte_range_1.default)(thumbnail.range) });
}
else if (cmcdHeaders !== undefined) {
headers = cmcdHeaders;
}
return [2 /*return*/, (0, xhr_1.default)({
url: url,
responseType: "arraybuffer",
headers: headers,
timeout: options.timeout,
connectionTimeout: options.connectionTimeout,
cancelSignal: cancelSignal,
})];
});
});
}
/**
* Parse loaded thumbnail data into exploitable thumbnail data and metadata.
* @param {ArrayBuffer} data - The loaded thumbnail data
* @param {Object} context
* @returns {Object}
*/
function parseThumbnail(data, context) {
var _a;
var thumbnailTrack = context.thumbnailTrack, wantedThumbnail = context.thumbnail;
var height = thumbnailTrack.height / thumbnailTrack.verticalTiles;
var width = thumbnailTrack.width / thumbnailTrack.horizontalTiles;
var thumbnails = [];
var tileDuration = (_a = thumbnailTrack.tileDuration) !== null && _a !== void 0 ? _a : (wantedThumbnail.end - wantedThumbnail.time) /
(thumbnailTrack.horizontalTiles * thumbnailTrack.verticalTiles);
var start = wantedThumbnail.time;
for (var row = 0; row < thumbnailTrack.verticalTiles; row++) {
for (var column = 0; column < thumbnailTrack.horizontalTiles; column++) {
thumbnails.push({
start: start,
end: start + tileDuration,
offsetX: Math.round(column * width),
offsetY: Math.round(row * height),
height: Math.floor(height),
width: Math.floor(width),
});
start += tileDuration;
}
}
return {
mimeType: thumbnailTrack.mimeType,
data: data,
thumbnails: thumbnails,
};
}