rx-player
Version:
Canal+ HTML5 Video Player
74 lines (73 loc) • 2.93 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = probeDecodingInfos;
var types_1 = require("../types");
/**
* Check if the required APIs are available.
* @returns {Promise}
*/
function isMediaCapabilitiesAPIAvailable() {
return new Promise(function (resolve) {
if (!("mediaCapabilities" in navigator)) {
throw new Error("MediaCapabilitiesProber >>> API_CALL: " + "MediaCapabilities API not available");
}
if (!("decodingInfo" in navigator.mediaCapabilities)) {
throw new Error("MediaCapabilitiesProber >>> API_CALL: " + "Decoding Info not available");
}
resolve();
});
}
/**
* @param {Object} config
* @returns {Promise}
*/
function probeDecodingInfos(config) {
return isMediaCapabilitiesAPIAvailable().then(function () {
var hasVideoConfig = config.type !== undefined &&
config.type.length > 0 &&
config.video !== undefined &&
config.video.bitrate !== undefined &&
config.video.contentType !== undefined &&
config.video.contentType.length > 0 &&
config.video.framerate !== undefined &&
config.video.framerate.length > 0 &&
config.video.height !== undefined &&
config.video.width !== undefined;
var hasAudioConfig = config.type !== undefined &&
config.type.length > 0 &&
config.audio !== undefined &&
config.audio.bitrate !== undefined &&
config.audio.channels !== undefined &&
config.audio.channels.length > 0 &&
config.audio.contentType !== undefined &&
config.audio.contentType.length > 0 &&
config.audio.samplerate !== undefined;
if (!hasVideoConfig && !hasAudioConfig) {
throw new Error("MediaCapabilitiesProber >>> API_CALL: " +
"Not enough arguments for calling mediaCapabilites.");
}
return navigator.mediaCapabilities
.decodingInfo(config)
.then(function (result) {
return [result.supported ? types_1.ProberStatus.Supported : types_1.ProberStatus.NotSupported];
})
.catch(function () {
return [types_1.ProberStatus.NotSupported];
});
});
}