rx-player
Version:
Canal+ HTML5 Video Player
59 lines (56 loc) • 1.89 kB
text/typescript
/**
* 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 { MediaSource_ } from "../../../../compat/browser_compatibility_types";
import isNullOrUndefined from "../../../../utils/is_null_or_undefined";
import type { IMediaConfiguration } from "../types";
/**
* @param {Object} config
* @returns {Promise}
*/
export default function probeContentType(
config: IMediaConfiguration,
): "NotSupported" | "Supported" {
if (isNullOrUndefined(MediaSource_)) {
throw new Error("MediaSource API not available");
}
if (typeof MediaSource_.isTypeSupported !== "function") {
throw new Error("MediaSource.isTypeSupported API not available");
}
const contentTypes: string[] = [];
if (
config.video !== undefined &&
config.video.contentType !== undefined &&
config.video.contentType.length > 0
) {
contentTypes.push(config.video.contentType);
}
if (
config.audio !== undefined &&
config.audio.contentType !== undefined &&
config.audio.contentType.length > 0
) {
contentTypes.push(config.audio.contentType);
}
if (contentTypes.length === 0) {
throw new Error("Not enough arguments for calling isTypeSupported.");
}
for (let i = 0; i < contentTypes.length; i++) {
if (!MediaSource_.isTypeSupported(contentTypes[i])) {
return "NotSupported";
}
}
return "Supported";
}