51054818

Committed 25 Nov 2024 06:32PM UTC coverage: 92.556% (-0.02%) from 92.578%

Build # 51054818

Build Type

push

appveyor

Committed by

benrr101

Commit Message

Merge branch 'release/v6.0.0'

Run Details

3251 of 4131 branches covered (78.7%)

Branch coverage included in aggregate %.

580 of 599 new or added lines in 27 files covered. (96.83%)

4 existing lines in 4 files now uncovered.

26752 of 28285 relevant lines covered (94.58%)

471.65 hits per line

Source File
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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 {@link IsoSampleEntry} and implements {@link 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();
    }

    /**
     * Initializes the instance using the box's header, and additional information read from the file.
     * @param header Header for the box.
     * @param file File to read additional information from.
     * @param handlerType Type of the handler for the box. Optional.
     */
    public static fromFile(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 {@link IsoSampleEntry} and implements {@link 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	/**
23	* Initializes the instance using the box's header, and additional information read from the file.
24	* @param header Header for the box.
25	* @param file File to read additional information from.
26	* @param handlerType Type of the handler for the box. Optional.
27	*/
28	public static fromFile(header: Mpeg4BoxHeader, file: File, handlerType: ByteVector): IsoVisualSampleEntry {
29	const instance = new IsoVisualSampleEntry();	×
30	instance.initializeFromHeaderFileAndHandler(header, file, handlerType);	×
31
32	const dataPositionBeforeIncrease = instance.increaseDataPosition(62);	×
33	file.seek(dataPositionBeforeIncrease + 16);	×
34	instance._videoWidth = file.readBlock(2).toUshort();	×
35	instance._videoHeight = file.readBlock(2).toUshort();	×
36
37	return instance;	×
38	}
39
40	/** @inheritDoc */
41	public get durationMilliseconds(): number { return 0; }	×
42
43	/** @inheritDoc */
44	public get mediaTypes(): MediaTypes { return MediaTypes.Video; }	×
45
46	/** @inheritDoc */
47	// @TODO: I'm sure we can get a better description than this
48	public get description(): string { return `MPEG-4 Video (${this.boxType.toString(StringType.Latin1)})`; }	×
49
50	/** @inheritDoc */
NEW 51	public get videoHeight(): number { return this._videoHeight; }	×
52
53	/** @inheritDoc */
54	public get videoWidth(): number { return this._videoWidth; }	×
55	}

benrr101 / node-taglib-sharp / 51054818

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