48387633

Committed 28 Oct 2023 05:34AM UTC coverage: 92.442% (+0.5%) from 91.899%

Build # 48387633

Build Type

push

appveyor

Committed by

web-flow

Commit Message

Merge 6a78b5713 into f0c9477b7

Run Details

3250 of 4147 branches covered (0.0%)

Branch coverage included in aggregate %.

1763 of 1763 new or added lines in 39 files covered. (100.0%)

26753 of 28309 relevant lines covered (94.5%)

422.49 hits per line

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23.53

/src/mpeg4/boxes/isoVisualSampleEntry.ts

import IsoSampleEntry from "./isoSampleEntry";
import Mpeg4BoxHeader from "../mpeg4BoxHeader";
import {ByteVector, StringType} from "../../byteVector";
import {File} from "../../file";
import {IVideoCodec, MediaTypes} from "../../properties";

/**
 * This class extends @see IsoSampleEntry and implements @see IVideoCodec to provide an implementation of a
 * ISO/IEC 14496-12 VisualSampleEntry and support for reading MPEG-4 video properties.
 */
export default class IsoVisualSampleEntry extends IsoSampleEntry implements IVideoCodec {
    private _videoHeight: number;
    private _videoWidth: number;

    /**
     * Private constructor to force construction via static functions.
     */
    private constructor() {
        super();
    }

    public static fromHeaderFileAndHandler(
        header: Mpeg4BoxHeader,
        file: File,
        handlerType: ByteVector
    ): IsoVisualSampleEntry {
        const instance = new IsoVisualSampleEntry();
        instance.initializeFromHeaderFileAndHandler(header, file, handlerType);

        const dataPositionBeforeIncrease = instance.increaseDataPosition(62);
        file.seek(dataPositionBeforeIncrease + 16);
        instance._videoWidth = file.readBlock(2).toUshort();
        instance._videoHeight = file.readBlock(2).toUshort();

        return instance;
    }

    /** @inheritDoc */
    public get durationMilliseconds(): number { return 0; }

    /** @inheritDoc */
    public get mediaTypes(): MediaTypes { return MediaTypes.Video; }

    /** @inheritDoc */
    // @TODO: I'm sure we can get a better description than this
    public get description(): string { return `MPEG-4 Video (${this.boxType.toString(StringType.Latin1)})`; }

    /** @inheritDoc */
    public get videoHeight(): number { return this._videoHeight };

    /** @inheritDoc */
    public get videoWidth(): number { return this._videoWidth; }
}

1	import IsoSampleEntry from "./isoSampleEntry";	1✔
2	import Mpeg4BoxHeader from "../mpeg4BoxHeader";
3	import {ByteVector, StringType} from "../../byteVector";	1✔
4	import {File} from "../../file";
5	import {IVideoCodec, MediaTypes} from "../../properties";	1✔
6
7	/**
8	* This class extends @see IsoSampleEntry and implements @see IVideoCodec to provide an implementation of a
9	* ISO/IEC 14496-12 VisualSampleEntry and support for reading MPEG-4 video properties.
10	*/
11	export default class IsoVisualSampleEntry extends IsoSampleEntry implements IVideoCodec {	1✔
12	private _videoHeight: number;
13	private _videoWidth: number;
14
15	/**
16	* Private constructor to force construction via static functions.
17	*/
18	private constructor() {
19	super();	×
20	}
21
22	public static fromHeaderFileAndHandler(
23	header: Mpeg4BoxHeader,
24	file: File,
25	handlerType: ByteVector
26	): IsoVisualSampleEntry {
27	const instance = new IsoVisualSampleEntry();	×
28	instance.initializeFromHeaderFileAndHandler(header, file, handlerType);	×
29
30	const dataPositionBeforeIncrease = instance.increaseDataPosition(62);	×
31	file.seek(dataPositionBeforeIncrease + 16);	×
32	instance._videoWidth = file.readBlock(2).toUshort();	×
33	instance._videoHeight = file.readBlock(2).toUshort();	×
34
35	return instance;	×
36	}
37
38	/** @inheritDoc */
39	public get durationMilliseconds(): number { return 0; }	×
40
41	/** @inheritDoc */
42	public get mediaTypes(): MediaTypes { return MediaTypes.Video; }	×
43
44	/** @inheritDoc */
45	// @TODO: I'm sure we can get a better description than this
46	public get description(): string { return `MPEG-4 Video (${this.boxType.toString(StringType.Latin1)})`; }	×
47
48	/** @inheritDoc */
49	public get videoHeight(): number { return this._videoHeight };	×
50
51	/** @inheritDoc */
52	public get videoWidth(): number { return this._videoWidth; }	×
53	}

benrr101 / node-taglib-sharp / 48387633

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