mirror of
https://github.com/scottlamb/moonfire-nvr.git
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e5b83c21e1
This makes anamorphic sub streams display correctly, even ones from old Hikvision cameras that don't properly set the aspect ratio at the H.264 layer.
117 lines
3.9 KiB
JavaScript
117 lines
3.9 KiB
JavaScript
// vim: set et sw=2 ts=2:
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//
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// This file is part of Moonfire NVR, a security camera network video recorder.
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// Copyright (C) 2018-2020 The Moonfire NVR Authors
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// In addition, as a special exception, the copyright holders give
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// permission to link the code of portions of this program with the
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// OpenSSL library under certain conditions as described in each
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// individual source file, and distribute linked combinations including
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// the two.
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//
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// You must obey the GNU General Public License in all respects for all
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// of the code used other than OpenSSL. If you modify file(s) with this
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// exception, you may extend this exception to your version of the
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// file(s), but you are not obligated to do so. If you do not wish to do
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// so, delete this exception statement from your version. If you delete
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// this exception statement from all source files in the program, then
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// also delete it here.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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import Range90k from '../models/Range90k';
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/**
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* Class to encapsulate recording JSON data.
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*/
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export default class Recording {
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/**
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* Accept JSON data to be encapsulated
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*
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* @param {object} recordingJson JSON for a recording
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* @param {object} videoSampleEntryJson JSON for a video sample entry
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*/
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constructor(recordingJson, videoSampleEntryJson) {
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/** @const {!number} */
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this.startId = recordingJson.startId;
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/** @const {?number} */
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this.endId = recordingJson.endId !== undefined ? recordingJson.endId : null;
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/** @const {!number} */
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this.openId = recordingJson.openId;
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/** @const {?number} */
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this.firstUncommitted = recordingJson.firstUncommitted !== undefined ?
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recordingJson.firstUncommitted : null;
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/** @const {!boolean} */
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this.growing = recordingJson.growing || false;
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/** @const {!number} */
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this.startTime90k = recordingJson.startTime90k;
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/** @const {!number} */
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this.endTime90k = recordingJson.endTime90k;
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/** @const {!number} */
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this.sampleFileBytes = recordingJson.sampleFileBytes;
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/** @const {!number} */
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this.videoSamples = recordingJson.videoSamples;
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/** @const {!string} */
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this.videoSampleEntrySha1 = videoSampleEntryJson.sha1;
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/** @const {!number} */
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this.videoSampleEntryWidth = videoSampleEntryJson.width;
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/** @const {!number} */
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this.videoSampleEntryHeight = videoSampleEntryJson.height;
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/** @const {!number} */
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this.videoSampleEntryPaspHSpacing = videoSampleEntryJson.paspHSpacing;
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/** @const {!number} */
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this.videoSampleEntryPaspVSpacing = videoSampleEntryJson.paspVSpacing;
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}
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/**
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* Return duration of recording in 90k units.
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* @return {Number} Time in units of 90k parts of a second
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*/
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get duration90k() {
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return this.endTime90k - this.startTime90k;
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}
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/**
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* Compute the range of the recording in 90k timestamp units,
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* optionally trimmed by another range.
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*
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* @param {Range90k} trimmedAgainst Optional range to trim against
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* @return {Range90k} Resulting range
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*/
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range90k(trimmedAgainst = null) {
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const result = new Range90k(this.startTime90k, this.endTime90k);
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return trimmedAgainst ? result.trimmed(trimmedAgainst) : result;
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}
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/**
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* Return duration of recording in seconds.
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* @return {Number} Time in units of seconds.
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*/
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get duration() {
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return this.duration90k / 90000;
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}
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}
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