diff --git a/entries/all.ts b/entries/all.ts
index 8b00a03e..dce508c5 100644
--- a/entries/all.ts
+++ b/entries/all.ts
@@ -13,7 +13,10 @@ export * from '#/text-mp4';
 export * from './types';
 import * as DESCRIPTORS from '#/descriptor';
 import { registerBoxes, registerDescriptors } from '#/registry';
+
 import * as BOXES from './all-boxes';
+export { BOXES };
+export * from '#/boxes/sampleentries';
 
 export const BoxParser = registerBoxes(BOXES);
 
diff --git a/src/boxes/sampleentries/sampleentry.ts b/src/boxes/sampleentries/sampleentry.ts
index da769006..2c0abffc 100644
--- a/src/boxes/sampleentries/sampleentry.ts
+++ b/src/boxes/sampleentries/sampleentry.ts
@@ -25,7 +25,7 @@ function decimalToHex(d: number | string, padding?: number | null) {
   return hex;
 }
 
-class avcCSampleEntryBase extends VisualSampleEntry {
+export class avcCSampleEntryBase extends VisualSampleEntry {
   avcC: avcCBox;
   avcCs: Array<avcCBox>;
 
@@ -96,7 +96,7 @@ export class dav1SampleEntry extends VisualSampleEntry {
   static override readonly fourcc = 'dav1' as const;
 }
 
-class hvcCSampleEntryBase extends VisualSampleEntry {
+export class hvcCSampleEntryBase extends VisualSampleEntry {
   hvcC: hvcCBox;
   hvcCs: Array<hvcCBox>;
 
@@ -191,7 +191,7 @@ export class dvheSampleEntry extends VisualSampleEntry {
 }
 
 /** @babel box-codecs.js */
-class vvcCSampleEntryBase extends VisualSampleEntry {
+export class vvcCSampleEntryBase extends VisualSampleEntry {
   vvcC: vvcCBox;
   vvcCs: Array<vvcCBox>;
   getCodec() {
@@ -269,7 +269,7 @@ export class vvcNSampleEntry extends VisualSampleEntry {
   static override readonly fourcc = 'vvcN' as const;
 }
 
-class vpcCSampleEntryBase extends VisualSampleEntry {
+export class vpcCSampleEntryBase extends VisualSampleEntry {
   vpcC: vpcCBox;
   vpcCs: Array<vpcCBox>;
   getCodec() {
diff --git a/src/registry.ts b/src/registry.ts
index a45e7904..ee80b007 100644
--- a/src/registry.ts
+++ b/src/registry.ts
@@ -58,6 +58,10 @@ export function registerBoxes(registry: Record<string, object>) {
 
     // Check if SampleEntry class
     if (isSampleEntry(value)) {
+      if (key.endsWith('SampleEntryBase')) {
+        continue;
+      }
+
       const fourcc = 'fourcc' in value ? (value.fourcc as string) : undefined;
 
       if (!fourcc) {