rx-player
Version:
Canal+ HTML5 Video Player
75 lines (74 loc) • 3.67 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 = prepareSourceBuffer;
var browser_compatibility_types_1 = require("../../../compat/browser_compatibility_types");
var log_1 = require("../../../log");
var create_media_source_1 = require("../../../main_thread/init/utils/create_media_source");
var main_media_source_interface_1 = require("../../../mse/main_media_source_interface");
var create_cancellable_promise_1 = require("../../../utils/create_cancellable_promise");
var id_generator_1 = require("../../../utils/id_generator");
var is_non_empty_string_1 = require("../../../utils/is_non_empty_string");
var is_null_or_undefined_1 = require("../../../utils/is_null_or_undefined");
var generateMediaSourceId = (0, id_generator_1.default)();
/**
* Open the media source and create the `MainMediaSourceInterface`.
* @param {HTMLVideoElement} videoElement
* @param {string} codec
* @param {Object} cleanUpSignal
* @returns {Promise.<Object>}
*/
function prepareSourceBuffer(videoElement, codec, cleanUpSignal) {
return (0, create_cancellable_promise_1.default)(cleanUpSignal, function (resolve, reject) {
if ((0, is_null_or_undefined_1.default)(browser_compatibility_types_1.MediaSource_)) {
throw new Error("No MediaSource Object was found in the current browser.");
}
// make sure the media has been correctly reset
var oldSrc = (0, is_non_empty_string_1.default)(videoElement.src) ? videoElement.src : null;
(0, create_media_source_1.resetMediaElement)(videoElement, oldSrc);
log_1.default.info("VideoThumbnailLoader", "Creating MediaSource");
var mediaSource = new main_media_source_interface_1.default(generateMediaSourceId());
if (mediaSource.handle.type === "handle") {
videoElement.srcObject = mediaSource.handle.value;
cleanUpSignal.register(function () {
(0, create_media_source_1.resetMediaElement)(videoElement, null);
});
}
else {
var objectURL_1 = URL.createObjectURL(mediaSource.handle.value);
log_1.default.info("VideoThumbnailLoader", "Attaching MediaSource URL to the media element", objectURL_1);
videoElement.src = objectURL_1;
cleanUpSignal.register(function () {
(0, create_media_source_1.resetMediaElement)(videoElement, objectURL_1);
});
}
(0, create_media_source_1.disableRemotePlaybackOnManagedMediaSource)(videoElement, cleanUpSignal);
mediaSource.addEventListener("mediaSourceOpen", onSourceOpen);
return function () {
mediaSource.removeEventListener("mediaSourceOpen", onSourceOpen);
};
function onSourceOpen() {
try {
mediaSource.removeEventListener("mediaSourceOpen", onSourceOpen);
resolve(mediaSource.addSourceBuffer("video" /* SourceBufferType.Video */, codec));
}
catch (err) {
reject(err);
}
}
});
}