Initial working version

2022-12-22 20:22:22 +11:00
parent ce9675a1cc
commit ced7fa5092
902 changed files with 150252 additions and 0 deletions
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+/// <reference types="node" />
+import { IChunkHeader } from '../iff';
+import { IGetToken } from 'strtok3/lib/core';
+/**
+ * Ref: https://msdn.microsoft.com/en-us/library/windows/desktop/dd317599(v=vs.85).aspx
+ */
+export declare enum WaveFormat {
+    PCM = 1,
+    ADPCM = 2,
+    IEEE_FLOAT = 3,
+    MPEG_ADTS_AAC = 5632,
+    MPEG_LOAS = 5634,
+    RAW_AAC1 = 255,
+    DOLBY_AC3_SPDIF = 146,
+    DVM = 8192,
+    RAW_SPORT = 576,
+    ESST_AC3 = 577,
+    DRM = 9,
+    DTS2 = 8193,
+    MPEG = 80
+}
+/**
+ * "fmt"  sub-chunk describes the sound data's format
+ * Ref: http://soundfile.sapp.org/doc/WaveFormat
+ */
+export interface IWaveFormat {
+    /**
+     * PCM = 1 (i.e. Linear quantization). Values other than 1 indicate some form of compression.
+     */
+    wFormatTag: WaveFormat;
+    /**
+     * Mono = 1, Stereo = 2, etc.
+     */
+    nChannels: number;
+    /**
+     * 8000, 44100, etc.
+     */
+    nSamplesPerSec: number;
+    nAvgBytesPerSec: number;
+    nBlockAlign: number;
+    wBitsPerSample: number;
+}
+/**
+ * format chunk; chunk-id is "fmt "
+ * http://soundfile.sapp.org/doc/WaveFormat/
+ */
+export declare class Format implements IGetToken<IWaveFormat> {
+    len: number;
+    constructor(header: IChunkHeader);
+    get(buf: Buffer, off: number): IWaveFormat;
+}
+export interface IFactChunk {
+    dwSampleLength: number;
+}
+/**
+ * Fact chunk; chunk-id is "fact"
+ * http://www-mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/WAVE.html
+ * http://www.recordingblogs.com/wiki/fact-chunk-of-a-wave-file
+ */
+export declare class FactChunk implements IGetToken<IFactChunk> {
+    len: number;
+    constructor(header: IChunkHeader);
+    get(buf: Buffer, off: number): IFactChunk;
+}