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index.d.ts
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مشاهدة ملف: index.d.ts
declare type OggMimeType = "application/ogg" | "audio/ogg";
declare type FramedMimeType =
| "audio/mpeg"
| "audio/aac"
| "audio/aacp"
| "audio/flac";
declare type MimeType = FramedMimeType | OggMimeType;
declare type CodecValue = "mpeg" | "aac" | "flac" | "opus" | "vorbis";
declare class MPEGHeader {
public bitDepth: number;
public bitrate: number;
public channels: number;
public sampleRate: number;
public channelMode: string;
public emphasis: string;
public framePadding: number;
public isCopyrighted: boolean;
public isOriginal: boolean;
public isPrivate: boolean;
public layer: string;
public modeExtension: string;
public mpegVersion: string;
public protection: string;
}
declare class AACHeader {
public bitDepth: number;
public bitrate: number;
public channels: number;
public sampleRate: number;
public copyrightId: boolean;
public copyrightIdStart: boolean;
public channelMode: string;
public bufferFullness: string;
public isHome: boolean;
public isOriginal: boolean;
public isPrivate: boolean;
public layer: string;
public length: number;
public mpegVersion: string;
public numberAACFrames: number;
public profile: string;
public protection: string;
}
declare class FLACHeader {
public bitDepth: number;
public bitrate: number;
public channels: number;
public sampleRate: number;
public channelMode: string;
public blockingStrategy: string;
public blockSize: number;
public frameNumber: number;
public crc16: number;
public streamInfo: Uint8Array;
}
declare class OpusHeader {
public bitDepth: number;
public bitrate: number;
public channels: number;
public data: Uint8Array;
public sampleRate: number;
public bandwidth: string;
public channelMappingFamily: number;
public channelMappingTable: number[];
public coupledStreamCount: number;
public streamCount: number;
public channelMode: string;
public frameCount: number;
public frameSize: number;
public inputSampleRate: number;
public mode: string;
public outputGain: number;
public preSkip: number;
}
declare class VorbisHeader {
public bitDepth: number;
public bitrate: number;
public channels: number;
public channelMode: string;
public sampleRate: number;
public bitrateMaximum: number;
public bitrateMinimum: number;
public bitrateNominal: number;
public blocksize0: number;
public blocksize1: number;
public data: Uint8Array;
public vorbisComments: Uint8Array;
public vorbisSetup: Uint8Array;
}
declare type CodecHeader =
| MPEGHeader
| AACHeader
| FLACHeader
| OpusHeader
| VorbisHeader;
declare class CodecFrame {
public data: Uint8Array;
public header: CodecHeader;
public crc32: number;
public samples: number;
public duration: number;
public frameNumber: number;
public totalBytesOut: number;
public totalSamples: number;
public totalDuration: number;
}
declare class OggPage {
public absoluteGranulePosition: number;
public codecFrames: CodecFrame[];
public crc32: number;
public data: Uint8Array;
public duration: number;
public isContinuedPacket: boolean;
public isFirstPage: boolean;
public isLastPage: boolean;
public pageSequenceNumber: number;
public rawData: Uint8Array;
public samples: number;
public streamSerialNumber: number;
public totalBytesOut: number;
public totalDuration: number;
public totalSamples: number;
}
declare interface ICodecParserOptions {
onCodec?: (codec: CodecValue) => any;
onCodecUpdate?: (
codecHeaderData: CodecHeader,
updateTimestamp: number,
) => any;
enableLogging?: boolean;
enableFrameCRC32?: boolean;
}
declare class CodecParser<
T extends CodecFrame | OggPage = CodecFrame | OggPage,
> {
public readonly codec: CodecValue;
constructor(mimeType: MimeType, options?: ICodecParserOptions);
public parseAll(file: Uint8Array): T[];
public parseChunk(chunk: Uint8Array): Iterator<T>;
public flush(): Iterator<T>;
}
export default CodecParser;
export type {
CodecValue,
CodecHeader,
MPEGHeader,
AACHeader,
CodecFrame,
FLACHeader,
ICodecParserOptions,
OggPage,
OpusHeader,
VorbisHeader,
MimeType,
OggMimeType,
FramedMimeType,
};
export const absoluteGranulePosition = "absoluteGranulePosition";
export const bandwidth = "bandwidth";
export const bitDepth = "bitDepth";
export const bitrate = "bitrate";
export const bitrateMaximum = "bitrateMaximum";
export const bitrateMinimum = "bitrateMinimum";
export const bitrateNominal = "bitrateNominal";
export const buffer = "buffer";
export const bufferFullness = "bufferFullness";
export const codec = "codec";
export const codecFrames = "codecFrames";
export const coupledStreamCount = "coupledStreamCount";
export const crc = "crc";
export const crc16 = "crc16";
export const crc32 = "crc32";
export const data = "data";
export const description = "description";
export const duration = "duration";
export const emphasis = "emphasis";
export const hasOpusPadding = "hasOpusPadding";
export const header = "header";
export const isContinuedPacket = "isContinuedPacket";
export const isCopyrighted = "isCopyrighted";
export const isFirstPage = "isFirstPage";
export const isHome = "isHome";
export const isLastPage = "isLastPage";
export const isOriginal = "isOriginal";
export const isPrivate = "isPrivate";
export const isVbr = "isVbr";
export const layer = "layer";
export const length = "length";
export const mode = "mode";
export const modeExtension = "modeExtension";
export const mpeg = "mpeg";
export const mpegVersion = "mpegVersion";
export const numberAACFrames = "numberAACFrames";
export const outputGain = "outputGain";
export const preSkip = "preSkip";
export const profile = "profile";
export const protection = "protection";
export const rawData = "rawData";
export const segments = "segments";
export const subarray = "subarray";
export const version = "version";
export const vorbis = "vorbis";
export const vorbisComments = "vorbisComments";
export const vorbisSetup = "vorbisSetup";
export const blockingStrategy = "blockingStrategy";
export const blockSize = "blockSize";
export const blocksize0 = "blocksize0";
export const blocksize1 = "blocksize1";
export const channelMappingFamily = "channelMappingFamily";
export const channelMappingTable = "channelMappingTable";
export const channelMode = "channelMode";
export const channels = "channels";
export const copyrightId = "copyrightId";
export const copyrightIdStart = "copyrightIdStart";
export const frame = "frame";
export const frameCount = "frameCount";
export const frameLength = "frameLength";
export const frameNumber = "frameNumber";
export const framePadding = "framePadding";
export const frameSize = "frameSize";
export const inputSampleRate = "inputSampleRate";
export const pageChecksum = "pageChecksum";
export const pageSegmentTable = "pageSegmentTable";
export const pageSequenceNumber = "pageSequenceNumber";
export const sampleNumber = "sampleNumber";
export const sampleRate = "sampleRate";
export const samples = "samples";
export const streamCount = "streamCount";
export const streamInfo = "streamInfo";
export const streamSerialNumber = "streamSerialNumber";
export const streamStructureVersion = "streamStructureVersion";
export const totalBytesOut = "totalBytesOut";
export const totalDuration = "totalDuration";
export const totalSamples = "totalSamples";