mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-16 16:16:40 +03:00
Timothy Drews
103 lines
3.3 KiB
JavaScript
103 lines
3.3 KiB
JavaScript
/**
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* @license
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* Copyright 2015 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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goog.provide('shaka.media.InitSegmentReference');
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goog.provide('shaka.media.SegmentReference');
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goog.require('shaka.asserts');
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/**
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* Creates an InitSegmentReference, which provides the location to an
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* initialization segment.
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*
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* @param {!Array.<string>} uris The URIs of the resource containing the
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* segment.
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* @param {number} startByte The offset from the start of the resource to the
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* start of the segment.
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* @param {?number} endByte The offset from the start of the resource to the
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* end of the segment, inclusive. null indicates that the segment extends
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* to the end of the resource.
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*
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* @constructor
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* @struct
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*/
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shaka.media.InitSegmentReference = function(uris, startByte, endByte) {
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/** @const {!Array.<string>} */
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this.uris = uris;
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/** @const {number} */
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this.startByte = startByte;
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/** @const {?number} */
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this.endByte = endByte;
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};
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/**
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* Creates a SegmentReference, which provides the start time, end time, and
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* location to a media segment.
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*
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* @param {number} position The position of the segment. The following should
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* hold true between any two SegmentReferences from the same Period, r1 and r2:
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* IF r2.position > r1.position THEN
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* [ (r2.startTime > r1.startTime) OR
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* (r2.startTime == r1.startTime AND r2.endTime >= r1.endTime) ]
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* @param {number} startTime The segment's start time in seconds, relative to
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* the start of a particular Period.
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* @param {number} endTime The segment's end time in seconds, relative to
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* the start of a particular Period. The segment ends the instant before
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* this time, so |endTime| must be strictly greater than |startTime|.
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* @param {!Array.<string>} uris The URIs of the resource containing the
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* segment.
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* @param {number} startByte The offset from the start of the resource to the
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* start of the segment.
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* @param {?number} endByte The offset from the start of the resource to the
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* end of the segment, inclusive. null indicates that the segment extends
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* to the end of the resource.
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*
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* @constructor
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* @struct
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*/
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shaka.media.SegmentReference = function(
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position, startTime, endTime, uris, startByte, endByte) {
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shaka.asserts.assert(startTime < endTime,
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'startTime must be less than endTime');
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shaka.asserts.assert((startByte < endByte) || (endByte == null),
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'startByte must be < endByte');
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/** @const {number} */
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this.position = position;
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/** @const {number} */
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this.startTime = startTime;
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/** @const {number} */
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this.endTime = endTime;
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/** @const {!Array.<string>} */
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this.uris = uris;
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/** @const {number} */
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this.startByte = startByte;
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/** @const {?number} */
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this.endByte = endByte;
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};
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