@isomp4/box-moof/dist/trun.d.ts

Implements encoding and decoding of the moof box type

import type { Buffer } from "buffer";
import type { BoxHeader, FullBox } from "@isomp4/core";
import { FullBoxEncoding } from "@isomp4/core";
export interface TrackRunSample {
    duration?: number;
    size?: number;
    flags?: number;
    compositionTimeOffset?: number;
}
export declare namespace TrackRunSample {
    type UInt2 = 0 | 1 | 2 | 3;
    export interface Flags {
        /**
         * - 0: the leading nature of this sample is unknown.
         * - 1: this sample is a leading sample that has a dependency
         * before the referenced I‐picture (and is therefore not decodable).
         * - 2: this sample is not a leading sample.
         * - 3: this sample is a leading sample that has no dependency
         * before the referenced I‐picture (and is therefore decodable).
         */
        isLeading: UInt2;
        /**
         * - 0: the dependency of this sample is unknown.
         * - 1: this sample does depend on others (not an I picture).
         * - 2: this sample does not depend on others (I picture).
         * - 3: reserved.
         */
        dependsOn: UInt2;
        /**
         * - 0: the dependency of other samples on this sample is unknown.
         * - 1: other samples may depend on this one (not disposable).
         * - 2: no other sample depends on this one (disposable).
         * - 3: reserved.
         */
        isDependedOn: UInt2;
        /**
         * - 0: it is unknown whether there is redundant coding in this sample.
         * - 1: there is redundant coding in this sample.
         * - 2: there is no redundant coding in this sample.
         * - 3: reserved.
         */
        hasRedundancy: UInt2;
        /**
         * A byte-alignment padding value (from 0 to 7, inclusive).
         */
        paddingValue: number;
        /**
         * Whether the sample is a keyframe (I picture).
         */
        isSync: boolean;
        degradationPriority: number;
    }
    export function parseFlags(flags: number): Flags;
    export {};
}
export interface TrackRunBox extends FullBox {
    dataOffset?: number;
    firstSampleFlags?: number;
    samples: TrackRunSample[];
}
export declare namespace TrackRunBox {
    interface Flags {
        dataOffsetPresent: boolean;
        firstSampleFlagsPresent: boolean;
        sampleDurationPresent: boolean;
        sampleSizePresent: boolean;
        sampleFlagsPresent: boolean;
        sampleCompositionTimeOffsetsPresent: boolean;
    }
    function parseFlags(flags: number): Flags;
}
declare class TrackRunBoxEncoding extends FullBoxEncoding {
    constructor();
    encodingLength(obj: TrackRunBox): number;
    encodeTo(obj: TrackRunBox, buffer: Buffer): number;
    decode(buffer: Buffer, header?: BoxHeader): TrackRunBox | number;
}
export declare const trun: TrackRunBoxEncoding;
export {};