Initial working version

2022-12-22 20:22:22 +11:00
parent ce9675a1cc
commit ced7fa5092
902 changed files with 150252 additions and 0 deletions
@@ -0,0 +1,64 @@
+import { IGetToken } from 'strtok3/lib/core';
+/**
+ * WavPack Block Header
+ *
+ * 32-byte little-endian header at the front of every WavPack block
+ *
+ * Ref:
+ *  http://www.wavpack.com/WavPack5FileFormat.pdf (page 2/6: 2.0 "Block Header")
+ */
+export interface IBlockHeader {
+    BlockID: string;
+    blockSize: number;
+    version: number;
+    blockIndex: number;
+    totalSamples: number;
+    blockSamples: number;
+    flags: {
+        bitsPerSample: number;
+        isMono: boolean;
+        isHybrid: boolean;
+        isJointStereo: boolean;
+        crossChannel: boolean;
+        hybridNoiseShaping: boolean;
+        floatingPoint: boolean;
+        samplingRate: number;
+        isDSD: boolean;
+    };
+    crc: Uint8Array;
+}
+export interface IMetadataId {
+    /**
+     * metadata function id
+     */
+    functionId: number;
+    /**
+     * If true, audio-decoder does not need to understand the metadata field
+     */
+    isOptional: boolean;
+    /**
+     * actual data byte length is 1 less
+     */
+    isOddSize: boolean;
+    /**
+     * large block (> 255 words)
+     */
+    largeBlock: boolean;
+}
+export declare class WavPack {
+    /**
+     * WavPack Block Header
+     *
+     * 32-byte little-endian header at the front of every WavPack block
+     *
+     * Ref: http://www.wavpack.com/WavPack5FileFormat.pdf (page 2/6: 2.0 "Block Header")
+     */
+    static BlockHeaderToken: IGetToken<IBlockHeader>;
+    /**
+     * 3.0 Metadata Sub-Blocks
+     *  Ref: http://www.wavpack.com/WavPack5FileFormat.pdf (page 4/6: 3.0 "Metadata Sub-Block")
+     */
+    static MetadataIdToken: IGetToken<IMetadataId>;
+    private static isBitSet;
+    private static getBitAllignedNumber;
+}