diff --git a/package.json b/package.json
index bfa0940..1b2aa13 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "konoebml",
-  "version": "0.1.0-rc.1",
+  "version": "0.1.0-rc.2",
   "description": "A modern JavaScript implementation of EBML RFC8794",
   "main": "./dist/index.cjs",
   "module": "./dist/index.js",
diff --git a/src/decoder.ts b/src/decoder.ts
index a81b922..17bb779 100644
--- a/src/decoder.ts
+++ b/src/decoder.ts
@@ -5,8 +5,15 @@ import { decodeEbmlContent } from './decode-utils';
 import { StreamFlushReason, UnreachableOrLogicError } from './errors';
 import { dataViewSlice } from './tools';
 
+export type EbmlStreamDecoderChunkType =
+  | Uint8Array
+  | ArrayBuffer
+  | ArrayBufferLike;
+
 export class EbmlDecodeStreamTransformer
-  implements Transformer<ArrayBuffer, EbmlTagTrait>, FileDataViewController
+  implements
+    Transformer<EbmlStreamDecoderChunkType, EbmlTagTrait>,
+    FileDataViewController
 {
   private _offset = 0;
   private _buffer: Uint8Array = new Uint8Array(0);
@@ -122,17 +129,17 @@ export class EbmlDecodeStreamTransformer
     }
   }
 
-  notifyIdle() {
+  private notifyIdle() {
     if (this._tickIdleCallback) {
       this._tickIdleCallback();
     }
   }
 
-  tryEnqueueToBuffer(item: EbmlTagTrait) {
+  private tryEnqueueToBuffer(item: EbmlTagTrait) {
     this._writeBuffer.enqueue(item);
   }
 
-  waitBufferRelease(
+  private waitBufferRelease(
     ctrl: TransformStreamDefaultController<EbmlTagTrait>,
     isFlush: boolean
   ) {
@@ -144,7 +151,7 @@ export class EbmlDecodeStreamTransformer
     }
   }
 
-  async tick(
+  private async tick(
     ctrl: TransformStreamDefaultController<EbmlTagTrait>,
     isFlush: boolean
   ) {
@@ -191,7 +198,7 @@ export class EbmlDecodeStreamTransformer
   }
 
   async transform(
-    chunk: ArrayBuffer,
+    chunk: EbmlStreamDecoderChunkType,
     ctrl: TransformStreamDefaultController<EbmlTagTrait>
   ): Promise<void> {
     if (chunk.byteLength === 0) {
@@ -202,7 +209,10 @@ export class EbmlDecodeStreamTransformer
     );
 
     newBuffer.set(this._buffer, 0);
-    newBuffer.set(new Uint8Array(chunk), this._buffer.byteLength);
+    newBuffer.set(
+      chunk instanceof Uint8Array ? chunk : new Uint8Array(chunk),
+      this._buffer.byteLength
+    );
     this._buffer = newBuffer;
 
     await this.tick(ctrl, false);
@@ -214,7 +224,7 @@ export class EbmlDecodeStreamTransformer
 }
 
 export class EbmlStreamDecoder extends TransformStream<
-  ArrayBuffer,
+  EbmlStreamDecoderChunkType,
   EbmlTagTrait
 > {
   public readonly transformer: EbmlDecodeStreamTransformer;
diff --git a/src/encoder.ts b/src/encoder.ts
index 424073a..adaec34 100644
--- a/src/encoder.ts
+++ b/src/encoder.ts
@@ -5,14 +5,14 @@ import { EbmlMasterTag } from './models/tag-master';
 import { EbmlTreeMasterNotMatchError, UnreachableOrLogicError } from './errors';
 
 export class EbmlEncodeStreamTransformer
-  implements Transformer<EbmlTagTrait, ArrayBuffer>
+  implements Transformer<EbmlTagTrait, Uint8Array>
 {
-  stack = new Stack<[EbmlMasterTag, ArrayBuffer[]]>();
-  _writeBuffer = new Queue<ArrayBuffer>();
+  stack = new Stack<[EbmlMasterTag, Uint8Array[]]>();
+  _writeBuffer = new Queue<Uint8Array>();
   _writeBufferTask: Promise<void> | undefined;
   closed = false;
 
-  tryEnqueueToBuffer(...frag: ArrayBuffer[]) {
+  tryEnqueueToBuffer(...frag: Uint8Array[]) {
     const top = this.stack.peek();
     if (top) {
       top[1].push(...frag);
@@ -24,21 +24,22 @@ export class EbmlEncodeStreamTransformer
   }
 
   waitBufferRelease(
-    ctrl: TransformStreamDefaultController<ArrayBuffer>,
+    ctrl: TransformStreamDefaultController<Uint8Array>,
     isFlush: boolean
   ) {
     while (this._writeBuffer.size) {
       if (ctrl.desiredSize! <= 0 && !isFlush) {
         break;
       }
-      ctrl.enqueue(this._writeBuffer.dequeue());
+      const pop = this._writeBuffer.dequeue();
+      ctrl.enqueue(pop);
     }
   }
 
   // biome-ignore lint/complexity/noExcessiveCognitiveComplexity: <explanation>
   async transform(
     tag: EbmlTagTrait,
-    ctrl: TransformStreamDefaultController<ArrayBuffer>
+    ctrl: TransformStreamDefaultController<Uint8Array>
   ) {
     if (!(tag instanceof EbmlTagTrait)) {
       throw new UnreachableOrLogicError('should only accept embl tag but not');
@@ -74,14 +75,14 @@ export class EbmlEncodeStreamTransformer
     this.waitBufferRelease(ctrl, false);
   }
 
-  flush(ctrl: TransformStreamDefaultController<ArrayBuffer>) {
+  flush(ctrl: TransformStreamDefaultController<Uint8Array>) {
     this.waitBufferRelease(ctrl, true);
   }
 }
 
 export class EbmlStreamEncoder extends TransformStream<
   EbmlTagTrait,
-  ArrayBuffer
+  Uint8Array
 > {
   public readonly transformer: EbmlEncodeStreamTransformer;
 
diff --git a/src/index.ts b/src/index.ts
index d9ec27a..f816ad8 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -11,7 +11,11 @@ export {
   decodeEbmlTagHeader,
   decodeEbmlContent,
 } from './decode-utils';
-export { EbmlStreamDecoder, EbmlDecodeStreamTransformer } from './decoder';
+export {
+  EbmlStreamDecoder,
+  EbmlDecodeStreamTransformer,
+  type EbmlStreamDecoderChunkType,
+} from './decoder';
 export {
   EbmlStreamEncoder,
   EbmlEncodeStreamTransformer,
@@ -19,7 +23,8 @@ export {
 export {
   EbmlBlockLacing,
   EbmlTagIdEnum,
-  type EbmlElementType,
+  EbmlElementType,
+  EbmlTagPosition,
   type EbmlBinaryDataTagIdType,
   type EbmlMasterTagIdType,
   type EbmlBlockTagIdType,
@@ -32,7 +37,6 @@ export {
   type EbmlUintDataTagIdType,
   type EbmlUtf8DataTagIdType,
   type EbmlTagIdType,
-  EbmlTagPosition,
   isEbmlBinaryDataTagId,
   isEbmlBlockTagId,
   isEbmlDateDataTagId,
diff --git a/tests/value.spec.ts b/tests/value.spec.ts
index e59679c..73cd794 100644
--- a/tests/value.spec.ts
+++ b/tests/value.spec.ts
@@ -15,10 +15,10 @@ process.setMaxListeners(Number.POSITIVE_INFINITY);
 const createReadStream = (file: string) =>
   Readable.toWeb(fs.createReadStream(file), {
     strategy: { highWaterMark: 100, size: (chunk) => chunk.byteLength },
-  }) as ReadableStream<ArrayBuffer>;
+  }) as ReadableStream<Uint8Array>;
 
 const makeDataStreamTest =
-  (stream: () => ReadableStream<ArrayBuffer>) =>
+  (stream: () => ReadableStream<Uint8Array>) =>
   async (cb: (tag: EbmlMasterTag | EbmlDataTag, done: () => void) => void) => {
     await new Promise((resolve, reject) => {
       stream()