rx-player
Version:
Canal+ HTML5 Video Player
105 lines (104 loc) • 4.42 kB
JavaScript
/**
* Copyright 2015 CANAL+ Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { concat } from "../../utils/byte_parsing";
import request from "../../utils/request";
import addQueryString from "../utils/add_query_string";
import byteRange from "../utils/byte_range";
/**
* Perform a request for an initialization segment, agnostic to the container.
* @param {string} initialUrl
* @param {Object} segment
* @param {Object} options
* @param {CancellationSignal} cancelSignal
* @param {Object} callbacks
* @returns {Promise}
*/
export default function initSegmentLoader(initialUrl, segment, options, cancelSignal, callbacks) {
var _a, _b;
let url = initialUrl;
if (((_a = options.cmcdPayload) === null || _a === void 0 ? void 0 : _a.type) === "query") {
url = addQueryString(url, options.cmcdPayload.value);
}
const cmcdHeaders = ((_b = options.cmcdPayload) === null || _b === void 0 ? void 0 : _b.type) === "headers" ? options.cmcdPayload.value : undefined;
if (segment.range === undefined) {
return request({
url,
responseType: "arraybuffer",
headers: cmcdHeaders,
timeout: options.timeout,
connectionTimeout: options.connectionTimeout,
cancelSignal,
onProgress: callbacks.onProgress,
}).then((data) => ({ resultType: "segment-loaded", resultData: data }));
}
if (segment.indexRange === undefined) {
return request({
url,
headers: Object.assign(Object.assign({}, cmcdHeaders), { Range: byteRange(segment.range) }),
responseType: "arraybuffer",
timeout: options.timeout,
connectionTimeout: options.connectionTimeout,
cancelSignal,
onProgress: callbacks.onProgress,
}).then((data) => ({ resultType: "segment-loaded", resultData: data }));
}
// range and indexRange are contiguous (99% of the cases)
if (segment.range[1] + 1 === segment.indexRange[0]) {
return request({
url,
headers: Object.assign(Object.assign({}, cmcdHeaders), { Range: byteRange([segment.range[0], segment.indexRange[1]]) }),
responseType: "arraybuffer",
timeout: options.timeout,
connectionTimeout: options.connectionTimeout,
cancelSignal,
onProgress: callbacks.onProgress,
}).then((data) => ({ resultType: "segment-loaded", resultData: data }));
}
const rangeRequest$ = request({
url,
headers: Object.assign(Object.assign({}, cmcdHeaders), { Range: byteRange(segment.range) }),
responseType: "arraybuffer",
timeout: options.timeout,
connectionTimeout: options.connectionTimeout,
cancelSignal,
onProgress: callbacks.onProgress,
});
const indexRequest$ = request({
url,
headers: Object.assign(Object.assign({}, cmcdHeaders), { Range: byteRange(segment.indexRange) }),
responseType: "arraybuffer",
timeout: options.timeout,
connectionTimeout: options.connectionTimeout,
cancelSignal,
onProgress: callbacks.onProgress,
});
return Promise.all([rangeRequest$, indexRequest$]).then(([initData, indexData]) => {
const data = concat(new Uint8Array(initData.responseData), new Uint8Array(indexData.responseData));
const sendingTime = Math.min(initData.sendingTime, indexData.sendingTime);
const receivedTime = Math.max(initData.receivedTime, indexData.receivedTime);
return {
resultType: "segment-loaded",
resultData: {
url,
responseData: data,
size: initData.size + indexData.size,
requestDuration: receivedTime - sendingTime,
sendingTime,
receivedTime,
},
};
});
}