From 241e56c25fb8f9bda48142d5f90805e499b87528 Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 13:18:59 -0400
Subject: [PATCH 01/21] README.md update

---
 README.md | 33 ++++++---------------------------
 1 file changed, 6 insertions(+), 27 deletions(-)

diff --git a/README.md b/README.md
index af80f05e3ca..9818857f62d 100644
--- a/README.md
+++ b/README.md
@@ -1,34 +1,13 @@
+
+
+# Fork of [ffmpeg.wasm](https://github.com/ffmpegwasm/ffmpeg.wasm)
+
+Forked to test customization of ffmpeg-core including adding [WORKERFS](https://emscripten.org/docs/api_reference/Filesystem-API.html#filesystem-api-workerfs) to enable the use of large files.
+
 <p align="center">
   <a href="#">
     <img alt="ffmpeg.wasm" width="128px" height="128px" src="https://github.com/ffmpegwasm/ffmpeg.wasm/blob/main/apps/website/static/img/logo192.png"></img>
   </a>
 </p>
 
-# ffmpeg.wasm
-
-ffmpeg.wasm is a pure Webassembly / Javascript port of FFmpeg. It enables video & audio record, convert and stream right inside browsers.
-
-[![stability-experimental](https://img.shields.io/badge/stability-experimental-orange.svg)](https://github.com/emersion/stability-badges#experimental)
-[![Node Version](https://img.shields.io/node/v/@ffmpeg/ffmpeg.svg)](https://img.shields.io/node/v/@ffmpeg/ffmpeg.svg)
-[![Actions Status](https://github.com/ffmpegwasm/ffmpeg.wasm/workflows/CI/badge.svg)](https://github.com/ffmpegwasm/ffmpeg.wasm/actions)
-![npm (tag)](https://img.shields.io/npm/v/@ffmpeg/ffmpeg/latest)
-[![Maintenance](https://img.shields.io/badge/Maintained%3F-yes-green.svg)](https://github.com/ffmpegwasm/ffmpeg.wasm/graphs/commit-activity)
-[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
-[![Downloads Total](https://img.shields.io/npm/dt/@ffmpeg/ffmpeg.svg)](https://www.npmjs.com/package/@ffmpeg/ffmpeg)
-[![Downloads Month](https://img.shields.io/npm/dm/@ffmpeg/ffmpeg.svg)](https://www.npmjs.com/package/@ffmpeg/ffmpeg)
-[![Netlify Status](https://api.netlify.com/api/v1/badges/1943b6d3-45ad-4b46-bfba-cb8d5716604c/deploy-status)](https://app.netlify.com/sites/ffmpegwasm/deploys)
-
-Join us on Discord!
-
-[![Discord](https://dcbadge.vercel.app/api/server/NjGMaqqfm5)](https://discord.gg/NjGMaqqfm5)
-
-## Documentation
-
-- [Introduction](https://ffmpegwasm.netlify.app/docs/overview)
-- [Getting
-    Started](https://ffmpegwasm.netlify.app/docs/getting-started/installation)
-- [API](https://ffmpegwasm.netlify.app/docs/api/ffmpeg/)
-- [FAQ](https://ffmpegwasm.netlify.app/docs/faq)
-- [Contribution](https://ffmpegwasm.netlify.app/docs/contribution/core)
 
-Please sponsor ffmpeg.wasm to make it sustainable. :heart:

From dfecc641418697771328ef088fd5c3d751a45d6a Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 14:14:26 -0400
Subject: [PATCH 02/21] Workflow update

---
 .github/workflows/CI.yml | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 5417a20ec33..a1f0efff9fc 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -32,6 +32,14 @@ jobs:
       with:
         name: ffmpeg-core
         path: packages/core/dist/*
+    - name: Deploy
+      uses: s0/git-publish-subdir-action@master
+      env:
+        REPO: self
+        BRANCH: latest-build
+        FOLDER: packages/core/dist/
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  
+        TARGET_DIR: core
   build-core-mt:
     runs-on: ubuntu-latest
     steps:
@@ -56,6 +64,14 @@ jobs:
       with:
         name: ffmpeg-core-mt
         path: packages/core-mt/dist/*
+    - name: Deploy
+      uses: s0/git-publish-subdir-action@master
+      env:
+        REPO: self
+        BRANCH: latest-build
+        FOLDER: packages/core-mt/dist/
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  
+        TARGET_DIR: core-mt      
   tests:
     runs-on: ubuntu-latest
     needs:

From c5918675c004ba8898d9803875d078a965dfc406 Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 14:25:04 -0400
Subject: [PATCH 03/21] Action update

---
 .github/workflows/CI.yml | 35 +++++++++++++++++++----------------
 1 file changed, 19 insertions(+), 16 deletions(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index a1f0efff9fc..9a789b2fce6 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -32,14 +32,6 @@ jobs:
       with:
         name: ffmpeg-core
         path: packages/core/dist/*
-    - name: Deploy
-      uses: s0/git-publish-subdir-action@master
-      env:
-        REPO: self
-        BRANCH: latest-build
-        FOLDER: packages/core/dist/
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  
-        TARGET_DIR: core
   build-core-mt:
     runs-on: ubuntu-latest
     steps:
@@ -64,14 +56,6 @@ jobs:
       with:
         name: ffmpeg-core-mt
         path: packages/core-mt/dist/*
-    - name: Deploy
-      uses: s0/git-publish-subdir-action@master
-      env:
-        REPO: self
-        BRANCH: latest-build
-        FOLDER: packages/core-mt/dist/
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  
-        TARGET_DIR: core-mt      
   tests:
     runs-on: ubuntu-latest
     needs:
@@ -90,6 +74,25 @@ jobs:
       with:
         name: ffmpeg-core-mt
         path: packages/core-mt/dist
+
+    - name: Deploy core
+      uses: s0/git-publish-subdir-action@master
+      env:
+        REPO: self
+        BRANCH: latest-build
+        FOLDER: packages/core/dist/
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  
+        TARGET_DIR: packages/core/dist/
+
+    - name: Deploy core-mt
+      uses: s0/git-publish-subdir-action@master
+      env:
+        REPO: self
+        BRANCH: latest-build
+        FOLDER: packages/core-mt/dist/
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  
+        TARGET_DIR: packages/core-mt/dist/
+
     - name: Use Node.js 18
       uses: actions/setup-node@v3
       with:

From 1dc02cbb897f0a2d52da46361ef3822fea38299f Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 14:33:01 -0400
Subject: [PATCH 04/21] Workflow update

---
 .github/workflows/CI.yml | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 9a789b2fce6..e95d4d8948a 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -75,24 +75,6 @@ jobs:
         name: ffmpeg-core-mt
         path: packages/core-mt/dist
 
-    - name: Deploy core
-      uses: s0/git-publish-subdir-action@master
-      env:
-        REPO: self
-        BRANCH: latest-build
-        FOLDER: packages/core/dist/
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  
-        TARGET_DIR: packages/core/dist/
-
-    - name: Deploy core-mt
-      uses: s0/git-publish-subdir-action@master
-      env:
-        REPO: self
-        BRANCH: latest-build
-        FOLDER: packages/core-mt/dist/
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  
-        TARGET_DIR: packages/core-mt/dist/
-
     - name: Use Node.js 18
       uses: actions/setup-node@v3
       with:

From 88c27b00df8b04f8ff84821726a9fe369dff0f63 Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 14:43:51 -0400
Subject: [PATCH 05/21] Workflow update

---
 .github/workflows/CI.yml | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index e95d4d8948a..3628b4f9682 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -45,7 +45,6 @@ jobs:
       uses: actions/cache@v3
       with:
         path: build-cache-mt
-          
         key: build-cache-mt-v1-${{ hashFiles('Dockerfile', 'Makefile', 'build/*') }}
         restore-keys: |
           build-cache-v1-
@@ -74,7 +73,6 @@ jobs:
       with:
         name: ffmpeg-core-mt
         path: packages/core-mt/dist
-
     - name: Use Node.js 18
       uses: actions/setup-node@v3
       with:
@@ -84,11 +82,15 @@ jobs:
       uses: actions/cache@v3
       with:
         path: node_modules
-          
         key: node-modules-${{ hashFiles('package-lock.json') }}
         restore-keys: |
           node-modules-
     - name: Install dependencies
       run: npm install
+    - name: Upload ffmpeg
+      uses: actions/upload-artifact@v3
+      with:
+        name: ffmpeg
+        path: packages/ffmpeg/dist/*      
     - name: Run tests
       run: npm test

From faf13d1cc385f301c9f0ea6df627e381155410dc Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 14:49:19 -0400
Subject: [PATCH 06/21] Added workerLoadURL to FFMessageLoadConfig

---
 packages/ffmpeg/src/classes.ts | 12 +++++++++---
 packages/ffmpeg/src/types.ts   |  6 ++++++
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/packages/ffmpeg/src/classes.ts b/packages/ffmpeg/src/classes.ts
index bb366d9cba1..e5927bc2e1a 100644
--- a/packages/ffmpeg/src/classes.ts
+++ b/packages/ffmpeg/src/classes.ts
@@ -163,9 +163,15 @@ export class FFmpeg {
    */
   public load = (config: FFMessageLoadConfig = {}): Promise<IsFirst> => {
     if (!this.#worker) {
-      this.#worker = new Worker(new URL("./worker.js", import.meta.url), {
-        type: "module",
-      });
+      if (!config.workerLoadURL) {
+        this.#worker = new Worker(new URL("./worker.js", import.meta.url), {
+          type: "module",
+        });
+      } else {
+        this.#worker = new Worker(config.workerLoadURL, {
+          type: "module",
+        });
+      }      
       this.#registerHandlers();
     }
     return this.#send({
diff --git a/packages/ffmpeg/src/types.ts b/packages/ffmpeg/src/types.ts
index 411cf291886..c06c5f9d717 100644
--- a/packages/ffmpeg/src/types.ts
+++ b/packages/ffmpeg/src/types.ts
@@ -22,6 +22,12 @@ export interface FFMessageLoadConfig {
    * @defaultValue `https://unpkg.com/@ffmpeg/core-mt@${CORE_VERSION}/dist/umd/ffmpeg-core.worker.js`;
    */
   workerURL?: string;
+    /**
+   * `worker.js` URL.
+   *
+   * @defaultValue `new URL('./worker.js')`;
+   */
+    workerLoadURL?: string;
 }
 
 export interface FFMessageExecData {

From 8d7246c7794fc248f41d6a563f246d953a4a71e6 Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 17:05:49 -0400
Subject: [PATCH 07/21] Add WORKERFS support

---
 build/ffmpeg-wasm.sh              |  1 +
 packages/ffmpeg/src/classes.ts    | 37 +++++++++++++++++++++++++++-
 packages/ffmpeg/src/const.ts      |  4 ++++
 packages/ffmpeg/src/types.ts      | 40 ++++++++++++++++++++++++-------
 packages/ffmpeg/src/worker.ts     | 16 +++++++++++++
 packages/types/types/index.d.ts   |  3 +++
 src/bind/ffmpeg/export-runtime.js |  3 +++
 7 files changed, 95 insertions(+), 9 deletions(-)

diff --git a/build/ffmpeg-wasm.sh b/build/ffmpeg-wasm.sh
index 7d4abd17d6a..0fe38f1c010 100755
--- a/build/ffmpeg-wasm.sh
+++ b/build/ffmpeg-wasm.sh
@@ -39,6 +39,7 @@ CONF_FLAGS=(
   -sEXPORT_NAME="$EXPORT_NAME"             # required in browser env, so that user can access this module from window object
   -sEXPORTED_FUNCTIONS=$(node src/bind/ffmpeg/export.js) # exported functions
   -sEXPORTED_RUNTIME_METHODS=$(node src/bind/ffmpeg/export-runtime.js) # exported built-in functions
+  -lworkerfs.js
   --pre-js src/bind/ffmpeg/bind.js        # extra bindings, contains most of the ffmpeg.wasm javascript code
   # ffmpeg source code
   src/fftools/cmdutils.c 
diff --git a/packages/ffmpeg/src/classes.ts b/packages/ffmpeg/src/classes.ts
index e5927bc2e1a..75aaf2e693b 100644
--- a/packages/ffmpeg/src/classes.ts
+++ b/packages/ffmpeg/src/classes.ts
@@ -52,6 +52,8 @@ export class FFmpeg {
             this.loaded = true;
             this.#resolves[id](data);
             break;
+          case FFMessageType.MOUNT:
+          case FFMessageType.UNMOUNT:
           case FFMessageType.EXEC:
           case FFMessageType.WRITE_FILE:
           case FFMessageType.READ_FILE:
@@ -171,7 +173,7 @@ export class FFmpeg {
         this.#worker = new Worker(config.workerLoadURL, {
           type: "module",
         });
-      }      
+      }
       this.#registerHandlers();
     }
     return this.#send({
@@ -264,6 +266,39 @@ export class FFmpeg {
     ) as Promise<OK>;
   };
 
+  public mount = (path: string, data: WorkerFSMountData): Promise<OK> => {
+    const trans: Transferable[] = [];
+    // TODO - handle transferables
+    if (data.blobs){
+      for(let blob in data.blobs){
+        trans.push(data.buffer);
+      }
+    }
+    if (data.files){
+      for(let file in data.files){
+        
+      }
+    }
+    return this.#send(
+      {
+        type: FFMessageType.MOUNT,
+        data: { path, data },
+      },
+      trans
+    ) as Promise<OK>;
+  };
+
+  public unmount = (path: string): Promise<OK> => {
+    const trans: Transferable[] = [];
+    return this.#send(
+      {
+        type: FFMessageType.UNMOUNT,
+        data: { path },
+      },
+      trans
+    ) as Promise<OK>;
+  };
+
   /**
    * Read data from ffmpeg.wasm.
    *
diff --git a/packages/ffmpeg/src/const.ts b/packages/ffmpeg/src/const.ts
index 119ad233259..67a5b7bc0e5 100644
--- a/packages/ffmpeg/src/const.ts
+++ b/packages/ffmpeg/src/const.ts
@@ -19,4 +19,8 @@ export enum FFMessageType {
   DOWNLOAD = "DOWNLOAD",
   PROGRESS = "PROGRESS",
   LOG = "LOG",
+  
+  MOUNT = "MOUNT",
+  UNMOUNT = "UNMOUNT",
+  FILESYSTEMS = "FILESYSTEMS",
 }
diff --git a/packages/ffmpeg/src/types.ts b/packages/ffmpeg/src/types.ts
index c06c5f9d717..91e65d4baea 100644
--- a/packages/ffmpeg/src/types.ts
+++ b/packages/ffmpeg/src/types.ts
@@ -22,12 +22,12 @@ export interface FFMessageLoadConfig {
    * @defaultValue `https://unpkg.com/@ffmpeg/core-mt@${CORE_VERSION}/dist/umd/ffmpeg-core.worker.js`;
    */
   workerURL?: string;
-    /**
-   * `worker.js` URL.
-   *
-   * @defaultValue `new URL('./worker.js')`;
-   */
-    workerLoadURL?: string;
+  /**
+ * `worker.js` URL.
+ *
+ * @defaultValue `new URL('./worker.js')`;
+ */
+  workerLoadURL?: string;
 }
 
 export interface FFMessageExecData {
@@ -70,6 +70,28 @@ export interface FFMessageDeleteDirData {
   path: FFFSPath;
 }
 
+export type WorkerFSFileEntry =
+  | File;
+
+export interface WorkerFSBlobEntry {
+  name: string;
+  data: Blob;
+}
+
+export interface WorkerFSMountData {
+  blobs?: WorkerFSBlobEntry[];
+  files?: WorkerFSFileEntry[];
+}
+
+export interface FFMessageMountData {
+  path: FFFSPath;
+  data: WorkerFSMountData;
+}
+
+export interface FFMessageUnmountData {
+  path: FFFSPath;
+}
+
 export type FFMessageData =
   | FFMessageLoadConfig
   | FFMessageExecData
@@ -79,7 +101,9 @@ export type FFMessageData =
   | FFMessageRenameData
   | FFMessageCreateDirData
   | FFMessageListDirData
-  | FFMessageDeleteDirData;
+  | FFMessageDeleteDirData
+  | FFMessageMountData
+  | FFMessageUnmountData;
 
 export interface Message {
   type: string;
@@ -140,4 +164,4 @@ export interface FFMessageEventCallback {
     type: string;
     data: CallbackData;
   };
-}
+}
\ No newline at end of file
diff --git a/packages/ffmpeg/src/worker.ts b/packages/ffmpeg/src/worker.ts
index 398bfa78cf5..572bd60b689 100644
--- a/packages/ffmpeg/src/worker.ts
+++ b/packages/ffmpeg/src/worker.ts
@@ -137,6 +137,16 @@ const deleteDir = ({ path }: FFMessageDeleteDirData): OK => {
   return true;
 };
 
+const mount = ({ path, data }: FFMessageMountData): OK => {
+  ffmpeg.FS.mount(ffmpeg.FS.WORKERFS, data, path);
+  return true;
+};
+
+const unmount = ({ path }: FFMessageUnmountData): OK => {
+  ffmpeg.FS.unmount(path);
+  return true;
+};
+
 self.onmessage = async ({
   data: { id, type, data: _data },
 }: FFMessageEvent): Promise<void> => {
@@ -173,6 +183,12 @@ self.onmessage = async ({
       case FFMessageType.DELETE_DIR:
         data = deleteDir(_data as FFMessageDeleteDirData);
         break;
+      case FFMessageType.MOUNT:
+        data = mount(_data as FFMessageMountData);
+        break;
+      case FFMessageType.UNMOUNT:
+        data = unmount(_data as FFMessageUnmountData);
+        break;
       default:
         throw ERROR_UNKNOWN_MESSAGE_TYPE;
     }
diff --git a/packages/types/types/index.d.ts b/packages/types/types/index.d.ts
index 368615fe3ef..f50b165c4cc 100644
--- a/packages/types/types/index.d.ts
+++ b/packages/types/types/index.d.ts
@@ -58,6 +58,9 @@ export interface FS {
   isFile: (mode: number) => boolean;
   /** mode is a numeric notation of permission, @see [Numeric Notation](https://en.wikipedia.org/wiki/File-system_permissions#Numeric_notation) */
   isDir: (mode: number) => boolean;
+  mount: (fileSystemType: number, data: WorkerFSMountConfig, path: string) => void;
+  unmount: (path: string) => void;
+  WORKERFS: number;
 }
 
 /**
diff --git a/src/bind/ffmpeg/export-runtime.js b/src/bind/ffmpeg/export-runtime.js
index 7f74da369b6..56051cbc47f 100644
--- a/src/bind/ffmpeg/export-runtime.js
+++ b/src/bind/ffmpeg/export-runtime.js
@@ -1,5 +1,8 @@
 const EXPORTED_RUNTIME_METHODS = [
   "FS",
+  "FS_mount",
+  "FS_unmount",
+  "FS_filesystems",
   "setValue",
   "getValue",
   "UTF8ToString",

From a484183f2a11fa1b3ca19345b7866505372bbe1c Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 19:27:13 -0400
Subject: [PATCH 08/21] Imported WORKERFS types

---
 packages/ffmpeg/src/worker.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/ffmpeg/src/worker.ts b/packages/ffmpeg/src/worker.ts
index 572bd60b689..cf2a9a97cf0 100644
--- a/packages/ffmpeg/src/worker.ts
+++ b/packages/ffmpeg/src/worker.ts
@@ -14,6 +14,8 @@ import type {
   FFMessageCreateDirData,
   FFMessageListDirData,
   FFMessageDeleteDirData,
+  FFMessageMountData,
+  FFMessageUnmountData,
   CallbackData,
   IsFirst,
   OK,

From 9ac66da0239474e2ffff14d750aaf9b54ff82a5c Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 19:31:34 -0400
Subject: [PATCH 09/21] Import WORKERFS types

---
 packages/ffmpeg/src/classes.ts | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/packages/ffmpeg/src/classes.ts b/packages/ffmpeg/src/classes.ts
index 75aaf2e693b..14fe95d1f23 100644
--- a/packages/ffmpeg/src/classes.ts
+++ b/packages/ffmpeg/src/classes.ts
@@ -13,6 +13,7 @@ import {
   LogEventCallback,
   ProgressEventCallback,
   FileData,
+  WorkerFSMountData,
 } from "./types.js";
 import { getMessageID } from "./utils.js";
 import { ERROR_TERMINATED, ERROR_NOT_LOADED } from "./errors.js";
@@ -268,17 +269,6 @@ export class FFmpeg {
 
   public mount = (path: string, data: WorkerFSMountData): Promise<OK> => {
     const trans: Transferable[] = [];
-    // TODO - handle transferables
-    if (data.blobs){
-      for(let blob in data.blobs){
-        trans.push(data.buffer);
-      }
-    }
-    if (data.files){
-      for(let file in data.files){
-        
-      }
-    }
     return this.#send(
       {
         type: FFMessageType.MOUNT,

From c106a6fe191e3f9f948886ad8093ec3b4c815112 Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 20:11:37 -0400
Subject: [PATCH 10/21] Action update

---
 .github/workflows/CI.yml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 3628b4f9682..cb69b9584cb 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -91,6 +91,11 @@ jobs:
       uses: actions/upload-artifact@v3
       with:
         name: ffmpeg
-        path: packages/ffmpeg/dist/*      
+        path: packages/ffmpeg/dist/*  
+    - name: Deploy packages 🚀
+      uses: JamesIves/github-pages-deploy-action@v4
+      with:
+        branch: latest-build # The branch the action should deploy to.
+        folder: packages # The folder the action should deploy.            
     - name: Run tests
       run: npm test

From 2bd0c29fb81ab6159c6814d4b80e42ed4d7fc47d Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 21:04:05 -0400
Subject: [PATCH 11/21] Type updates

---
 .github/workflows/CI.yml        |  7 +------
 packages/ffmpeg/src/types.ts    | 19 ++++++++++++++++++-
 packages/ffmpeg/src/worker.ts   | 11 +++++++++--
 packages/types/types/index.d.ts | 21 +++++++++++++++++++--
 4 files changed, 47 insertions(+), 11 deletions(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index cb69b9584cb..e8520fa8c55 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -91,11 +91,6 @@ jobs:
       uses: actions/upload-artifact@v3
       with:
         name: ffmpeg
-        path: packages/ffmpeg/dist/*  
-    - name: Deploy packages 🚀
-      uses: JamesIves/github-pages-deploy-action@v4
-      with:
-        branch: latest-build # The branch the action should deploy to.
-        folder: packages # The folder the action should deploy.            
+        path: packages/ffmpeg/dist/*            
     - name: Run tests
       run: npm test
diff --git a/packages/ffmpeg/src/types.ts b/packages/ffmpeg/src/types.ts
index 91e65d4baea..d3d316f8cb5 100644
--- a/packages/ffmpeg/src/types.ts
+++ b/packages/ffmpeg/src/types.ts
@@ -164,4 +164,21 @@ export interface FFMessageEventCallback {
     type: string;
     data: CallbackData;
   };
-}
\ No newline at end of file
+}
+
+// export type FSFilesystem =
+// | FSFilesystemWORKERFS
+// | FSFilesystemMEMFS;
+
+// export interface FSFilesystemWORKERFS {
+  
+// }
+
+// export interface FSFilesystemMEMFS {
+  
+// }
+
+// export interface FSFilesystems {
+//   WORKERFS?: FSFilesystemWORKERFS;
+//   MEMFS?: FSFilesystemMEMFS;
+// }
diff --git a/packages/ffmpeg/src/worker.ts b/packages/ffmpeg/src/worker.ts
index cf2a9a97cf0..c1cda8d0b7a 100644
--- a/packages/ffmpeg/src/worker.ts
+++ b/packages/ffmpeg/src/worker.ts
@@ -2,7 +2,14 @@
 /// <reference lib="esnext" />
 /// <reference lib="webworker" />
 
-import type { FFmpegCoreModule, FFmpegCoreModuleFactory } from "@ffmpeg/types";
+import type { 
+  FFmpegCoreModule, 
+  FFmpegCoreModuleFactory,
+  FSFilesystem,
+  FSFilesystemWORKERFS,
+  FSFilesystemMEMFS,
+  FSFilesystems,
+} from "@ffmpeg/types";
 import type {
   FFMessageEvent,
   FFMessageLoadConfig,
@@ -140,7 +147,7 @@ const deleteDir = ({ path }: FFMessageDeleteDirData): OK => {
 };
 
 const mount = ({ path, data }: FFMessageMountData): OK => {
-  ffmpeg.FS.mount(ffmpeg.FS.WORKERFS, data, path);
+  ffmpeg.FS.mount(ffmpeg.FS.filesystems.WORKERFS, data, path);
   return true;
 };
 
diff --git a/packages/types/types/index.d.ts b/packages/types/types/index.d.ts
index f50b165c4cc..00b0452de42 100644
--- a/packages/types/types/index.d.ts
+++ b/packages/types/types/index.d.ts
@@ -39,6 +39,23 @@ export interface Stat {
   blocks: number;
 }
 
+export interface FSFilesystemWORKERFS {
+  
+}
+
+export interface FSFilesystemMEMFS {
+  
+}
+
+export interface FSFilesystems {
+  WORKERFS: FSFilesystemWORKERFS;
+  MEMFS: FSFilesystemMEMFS;
+}
+
+export type FSFilesystem =
+| FSFilesystemWORKERFS
+| FSFilesystemMEMFS;
+
 /**
  * Functions to interact with Emscripten FS library.
  *
@@ -58,9 +75,9 @@ export interface FS {
   isFile: (mode: number) => boolean;
   /** mode is a numeric notation of permission, @see [Numeric Notation](https://en.wikipedia.org/wiki/File-system_permissions#Numeric_notation) */
   isDir: (mode: number) => boolean;
-  mount: (fileSystemType: number, data: WorkerFSMountConfig, path: string) => void;
+  mount: (fileSystemType: FSFilesystemWORKERFS, data: WorkerFSMountConfig, path: string) => void;
   unmount: (path: string) => void;
-  WORKERFS: number;
+  filesystems: FSFilesystems;
 }
 
 /**

From c7ab0f97356186af087e72c013b06c28dcf78ca3 Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 21:49:04 -0400
Subject: [PATCH 12/21] Export update

---
 src/bind/ffmpeg/export-runtime.js | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/bind/ffmpeg/export-runtime.js b/src/bind/ffmpeg/export-runtime.js
index 56051cbc47f..7f74da369b6 100644
--- a/src/bind/ffmpeg/export-runtime.js
+++ b/src/bind/ffmpeg/export-runtime.js
@@ -1,8 +1,5 @@
 const EXPORTED_RUNTIME_METHODS = [
   "FS",
-  "FS_mount",
-  "FS_unmount",
-  "FS_filesystems",
   "setValue",
   "getValue",
   "UTF8ToString",

From 718816af01660c4101feb0db231366607ecf47a7 Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 22:21:58 -0400
Subject: [PATCH 13/21] Updated classes

---
 packages/ffmpeg/src/classes.ts | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/packages/ffmpeg/src/classes.ts b/packages/ffmpeg/src/classes.ts
index 14fe95d1f23..d845690b8f7 100644
--- a/packages/ffmpeg/src/classes.ts
+++ b/packages/ffmpeg/src/classes.ts
@@ -166,14 +166,10 @@ export class FFmpeg {
    */
   public load = (config: FFMessageLoadConfig = {}): Promise<IsFirst> => {
     if (!this.#worker) {
-      if (!config.workerLoadURL) {
-        this.#worker = new Worker(new URL("./worker.js", import.meta.url), {
-          type: "module",
-        });
+      if (config.workerLoadURL) {
+        this.#worker = new Worker(config.workerLoadURL);
       } else {
-        this.#worker = new Worker(config.workerLoadURL, {
-          type: "module",
-        });
+        this.#worker = new Worker(new URL("./worker.js", import.meta.url));
       }
       this.#registerHandlers();
     }

From 69d6a3bf1a80ae6bbe7ea58b8589a6b795c65195 Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 22:31:48 -0400
Subject: [PATCH 14/21] Package together workflow  update

---
 .github/workflows/CI.yml | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index e8520fa8c55..29d529b9b81 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -91,6 +91,23 @@ jobs:
       uses: actions/upload-artifact@v3
       with:
         name: ffmpeg
-        path: packages/ffmpeg/dist/*            
+        path: packages/ffmpeg/dist/*     
+
+    - name: Unify ffmpeg-umd dist package
+      run: |
+        mkdir umd
+        mkdir umd/ffmpeg
+        mkdir umd/core
+        mkdir umd/core-mt
+        cp packages/ffmpeg/dist/umd/* umd/ffmpeg/
+        cp packages/core/dist/umd/* umd/core/
+        cp packages/core-mt/dist/umd/* umd/core-mt/
+
+    - name: Upload ffmpeg-umd
+      uses: actions/upload-artifact@v3
+      with:
+        name: ffmpeg-umd
+        path: umd/*     
+
     - name: Run tests
       run: npm test

From 71ac16f8c43fedcee8497df5322460a4efc158fe Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Tue, 12 Sep 2023 23:09:31 -0400
Subject: [PATCH 15/21] Cleanup

---
 packages/ffmpeg/src/const.ts    |  1 -
 packages/ffmpeg/src/types.ts    | 19 +------------------
 packages/ffmpeg/src/worker.ts   |  9 +--------
 packages/types/types/index.d.ts |  2 +-
 4 files changed, 3 insertions(+), 28 deletions(-)

diff --git a/packages/ffmpeg/src/const.ts b/packages/ffmpeg/src/const.ts
index 67a5b7bc0e5..a6ad49b0070 100644
--- a/packages/ffmpeg/src/const.ts
+++ b/packages/ffmpeg/src/const.ts
@@ -19,7 +19,6 @@ export enum FFMessageType {
   DOWNLOAD = "DOWNLOAD",
   PROGRESS = "PROGRESS",
   LOG = "LOG",
-  
   MOUNT = "MOUNT",
   UNMOUNT = "UNMOUNT",
   FILESYSTEMS = "FILESYSTEMS",
diff --git a/packages/ffmpeg/src/types.ts b/packages/ffmpeg/src/types.ts
index d3d316f8cb5..91e65d4baea 100644
--- a/packages/ffmpeg/src/types.ts
+++ b/packages/ffmpeg/src/types.ts
@@ -164,21 +164,4 @@ export interface FFMessageEventCallback {
     type: string;
     data: CallbackData;
   };
-}
-
-// export type FSFilesystem =
-// | FSFilesystemWORKERFS
-// | FSFilesystemMEMFS;
-
-// export interface FSFilesystemWORKERFS {
-  
-// }
-
-// export interface FSFilesystemMEMFS {
-  
-// }
-
-// export interface FSFilesystems {
-//   WORKERFS?: FSFilesystemWORKERFS;
-//   MEMFS?: FSFilesystemMEMFS;
-// }
+}
\ No newline at end of file
diff --git a/packages/ffmpeg/src/worker.ts b/packages/ffmpeg/src/worker.ts
index c1cda8d0b7a..8a9584e9a52 100644
--- a/packages/ffmpeg/src/worker.ts
+++ b/packages/ffmpeg/src/worker.ts
@@ -2,14 +2,7 @@
 /// <reference lib="esnext" />
 /// <reference lib="webworker" />
 
-import type { 
-  FFmpegCoreModule, 
-  FFmpegCoreModuleFactory,
-  FSFilesystem,
-  FSFilesystemWORKERFS,
-  FSFilesystemMEMFS,
-  FSFilesystems,
-} from "@ffmpeg/types";
+import type { FFmpegCoreModule, FFmpegCoreModuleFactory } from "@ffmpeg/types";
 import type {
   FFMessageEvent,
   FFMessageLoadConfig,
diff --git a/packages/types/types/index.d.ts b/packages/types/types/index.d.ts
index 00b0452de42..d3cd4fbe8ac 100644
--- a/packages/types/types/index.d.ts
+++ b/packages/types/types/index.d.ts
@@ -75,7 +75,7 @@ export interface FS {
   isFile: (mode: number) => boolean;
   /** mode is a numeric notation of permission, @see [Numeric Notation](https://en.wikipedia.org/wiki/File-system_permissions#Numeric_notation) */
   isDir: (mode: number) => boolean;
-  mount: (fileSystemType: FSFilesystemWORKERFS, data: WorkerFSMountConfig, path: string) => void;
+  mount: (fileSystemType: FSFilesystem, data: WorkerFSMountConfig, path: string) => void;
   unmount: (path: string) => void;
   filesystems: FSFilesystems;
 }

From c9684ee25899805ea2612afbd9acea85ca33eeb5 Mon Sep 17 00:00:00 2001
From: Todd T <21184383+LostBeard@users.noreply.github.com>
Date: Tue, 12 Sep 2023 23:23:24 -0400
Subject: [PATCH 16/21] Restore CI.yml to upstream

---
 .github/workflows/CI.yml | 24 ++----------------------
 1 file changed, 2 insertions(+), 22 deletions(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 29d529b9b81..5417a20ec33 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -45,6 +45,7 @@ jobs:
       uses: actions/cache@v3
       with:
         path: build-cache-mt
+          
         key: build-cache-mt-v1-${{ hashFiles('Dockerfile', 'Makefile', 'build/*') }}
         restore-keys: |
           build-cache-v1-
@@ -82,32 +83,11 @@ jobs:
       uses: actions/cache@v3
       with:
         path: node_modules
+          
         key: node-modules-${{ hashFiles('package-lock.json') }}
         restore-keys: |
           node-modules-
     - name: Install dependencies
       run: npm install
-    - name: Upload ffmpeg
-      uses: actions/upload-artifact@v3
-      with:
-        name: ffmpeg
-        path: packages/ffmpeg/dist/*     
-
-    - name: Unify ffmpeg-umd dist package
-      run: |
-        mkdir umd
-        mkdir umd/ffmpeg
-        mkdir umd/core
-        mkdir umd/core-mt
-        cp packages/ffmpeg/dist/umd/* umd/ffmpeg/
-        cp packages/core/dist/umd/* umd/core/
-        cp packages/core-mt/dist/umd/* umd/core-mt/
-
-    - name: Upload ffmpeg-umd
-      uses: actions/upload-artifact@v3
-      with:
-        name: ffmpeg-umd
-        path: umd/*     
-
     - name: Run tests
       run: npm test

From 2d289cc7844001914bdb3b6cf736795238ffd915 Mon Sep 17 00:00:00 2001
From: Todd T <21184383+LostBeard@users.noreply.github.com>
Date: Tue, 12 Sep 2023 23:24:00 -0400
Subject: [PATCH 17/21] Restore README.md to upstream

---
 README.md | 33 +++++++++++++++++++++++++++------
 1 file changed, 27 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 9818857f62d..af80f05e3ca 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,34 @@
-
-
-# Fork of [ffmpeg.wasm](https://github.com/ffmpegwasm/ffmpeg.wasm)
-
-Forked to test customization of ffmpeg-core including adding [WORKERFS](https://emscripten.org/docs/api_reference/Filesystem-API.html#filesystem-api-workerfs) to enable the use of large files.
-
 <p align="center">
   <a href="#">
     <img alt="ffmpeg.wasm" width="128px" height="128px" src="https://github.com/ffmpegwasm/ffmpeg.wasm/blob/main/apps/website/static/img/logo192.png"></img>
   </a>
 </p>
 
+# ffmpeg.wasm
+
+ffmpeg.wasm is a pure Webassembly / Javascript port of FFmpeg. It enables video & audio record, convert and stream right inside browsers.
+
+[![stability-experimental](https://img.shields.io/badge/stability-experimental-orange.svg)](https://github.com/emersion/stability-badges#experimental)
+[![Node Version](https://img.shields.io/node/v/@ffmpeg/ffmpeg.svg)](https://img.shields.io/node/v/@ffmpeg/ffmpeg.svg)
+[![Actions Status](https://github.com/ffmpegwasm/ffmpeg.wasm/workflows/CI/badge.svg)](https://github.com/ffmpegwasm/ffmpeg.wasm/actions)
+![npm (tag)](https://img.shields.io/npm/v/@ffmpeg/ffmpeg/latest)
+[![Maintenance](https://img.shields.io/badge/Maintained%3F-yes-green.svg)](https://github.com/ffmpegwasm/ffmpeg.wasm/graphs/commit-activity)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+[![Downloads Total](https://img.shields.io/npm/dt/@ffmpeg/ffmpeg.svg)](https://www.npmjs.com/package/@ffmpeg/ffmpeg)
+[![Downloads Month](https://img.shields.io/npm/dm/@ffmpeg/ffmpeg.svg)](https://www.npmjs.com/package/@ffmpeg/ffmpeg)
+[![Netlify Status](https://api.netlify.com/api/v1/badges/1943b6d3-45ad-4b46-bfba-cb8d5716604c/deploy-status)](https://app.netlify.com/sites/ffmpegwasm/deploys)
+
+Join us on Discord!
+
+[![Discord](https://dcbadge.vercel.app/api/server/NjGMaqqfm5)](https://discord.gg/NjGMaqqfm5)
+
+## Documentation
+
+- [Introduction](https://ffmpegwasm.netlify.app/docs/overview)
+- [Getting
+    Started](https://ffmpegwasm.netlify.app/docs/getting-started/installation)
+- [API](https://ffmpegwasm.netlify.app/docs/api/ffmpeg/)
+- [FAQ](https://ffmpegwasm.netlify.app/docs/faq)
+- [Contribution](https://ffmpegwasm.netlify.app/docs/contribution/core)
 
+Please sponsor ffmpeg.wasm to make it sustainable. :heart:

From ebe336b310c9919dac84d59be427f5e0621107a9 Mon Sep 17 00:00:00 2001
From: Todd T <21184383+LostBeard@users.noreply.github.com>
Date: Tue, 12 Sep 2023 23:40:27 -0400
Subject: [PATCH 18/21] Restore classes.ts changes that are not related tp
 WORKERFS

---
 packages/ffmpeg/src/classes.ts | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/packages/ffmpeg/src/classes.ts b/packages/ffmpeg/src/classes.ts
index d845690b8f7..75899a46a00 100644
--- a/packages/ffmpeg/src/classes.ts
+++ b/packages/ffmpeg/src/classes.ts
@@ -166,11 +166,9 @@ export class FFmpeg {
    */
   public load = (config: FFMessageLoadConfig = {}): Promise<IsFirst> => {
     if (!this.#worker) {
-      if (config.workerLoadURL) {
-        this.#worker = new Worker(config.workerLoadURL);
-      } else {
-        this.#worker = new Worker(new URL("./worker.js", import.meta.url));
-      }
+      this.#worker = new Worker(new URL("./worker.js", import.meta.url), {
+        type: "module",
+      });
       this.#registerHandlers();
     }
     return this.#send({

From 707f6455816e7497e91708b6c0dfc7e394a72f85 Mon Sep 17 00:00:00 2001
From: Todd T <21184383+LostBeard@users.noreply.github.com>
Date: Tue, 12 Sep 2023 23:52:47 -0400
Subject: [PATCH 19/21] Restore types.ts changes unrelated to WORERFS

---
 packages/ffmpeg/src/types.ts | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/packages/ffmpeg/src/types.ts b/packages/ffmpeg/src/types.ts
index 91e65d4baea..7b4e3eb7ea9 100644
--- a/packages/ffmpeg/src/types.ts
+++ b/packages/ffmpeg/src/types.ts
@@ -22,12 +22,6 @@ export interface FFMessageLoadConfig {
    * @defaultValue `https://unpkg.com/@ffmpeg/core-mt@${CORE_VERSION}/dist/umd/ffmpeg-core.worker.js`;
    */
   workerURL?: string;
-  /**
- * `worker.js` URL.
- *
- * @defaultValue `new URL('./worker.js')`;
- */
-  workerLoadURL?: string;
 }
 
 export interface FFMessageExecData {
@@ -164,4 +158,4 @@ export interface FFMessageEventCallback {
     type: string;
     data: CallbackData;
   };
-}
\ No newline at end of file
+}

From c95f308ccb16f4e1b0469204e692f2cdfc9f0a76 Mon Sep 17 00:00:00 2001
From: Todd T <21184383+LostBeard@users.noreply.github.com>
Date: Tue, 12 Sep 2023 23:54:29 -0400
Subject: [PATCH 20/21] Restore const.ts changes unrelated to WORKERFS

---
 packages/ffmpeg/src/const.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/packages/ffmpeg/src/const.ts b/packages/ffmpeg/src/const.ts
index a6ad49b0070..2811ae22d6d 100644
--- a/packages/ffmpeg/src/const.ts
+++ b/packages/ffmpeg/src/const.ts
@@ -21,5 +21,4 @@ export enum FFMessageType {
   LOG = "LOG",
   MOUNT = "MOUNT",
   UNMOUNT = "UNMOUNT",
-  FILESYSTEMS = "FILESYSTEMS",
 }

From 0a03d39fa7251b840df89aa2f0f8747fab2f5a61 Mon Sep 17 00:00:00 2001
From: Todd <todd@3dgamemarket.net>
Date: Wed, 13 Sep 2023 10:38:35 -0400
Subject: [PATCH 21/21] Updated mount to support any enabled filesystems.

---
 packages/ffmpeg/src/classes.ts | 11 +++++++----
 packages/ffmpeg/src/const.ts   |  2 +-
 packages/ffmpeg/src/types.ts   | 21 +++++++++++++++++----
 packages/ffmpeg/src/worker.ts  | 11 +++++++----
 4 files changed, 32 insertions(+), 13 deletions(-)

diff --git a/packages/ffmpeg/src/classes.ts b/packages/ffmpeg/src/classes.ts
index 75899a46a00..bdb7130ce70 100644
--- a/packages/ffmpeg/src/classes.ts
+++ b/packages/ffmpeg/src/classes.ts
@@ -14,6 +14,9 @@ import {
   ProgressEventCallback,
   FileData,
   WorkerFSMountData,
+  FFFSType,
+  FFFSMountOptions,
+  FFFSPath,
 } from "./types.js";
 import { getMessageID } from "./utils.js";
 import { ERROR_TERMINATED, ERROR_NOT_LOADED } from "./errors.js";
@@ -261,23 +264,23 @@ export class FFmpeg {
     ) as Promise<OK>;
   };
 
-  public mount = (path: string, data: WorkerFSMountData): Promise<OK> => {
+  public mount = (fsType: FFFSType, options: FFFSMountOptions, mountPoint: FFFSPath, ): Promise<OK> => {
     const trans: Transferable[] = [];
     return this.#send(
       {
         type: FFMessageType.MOUNT,
-        data: { path, data },
+        data: { fsType, options, mountPoint },
       },
       trans
     ) as Promise<OK>;
   };
 
-  public unmount = (path: string): Promise<OK> => {
+  public unmount = (mountPoint: FFFSPath): Promise<OK> => {
     const trans: Transferable[] = [];
     return this.#send(
       {
         type: FFMessageType.UNMOUNT,
-        data: { path },
+        data: { mountPoint },
       },
       trans
     ) as Promise<OK>;
diff --git a/packages/ffmpeg/src/const.ts b/packages/ffmpeg/src/const.ts
index 2811ae22d6d..65b03a8fd7d 100644
--- a/packages/ffmpeg/src/const.ts
+++ b/packages/ffmpeg/src/const.ts
@@ -21,4 +21,4 @@ export enum FFMessageType {
   LOG = "LOG",
   MOUNT = "MOUNT",
   UNMOUNT = "UNMOUNT",
-}
+}
\ No newline at end of file
diff --git a/packages/ffmpeg/src/types.ts b/packages/ffmpeg/src/types.ts
index 7b4e3eb7ea9..45aef3fee3f 100644
--- a/packages/ffmpeg/src/types.ts
+++ b/packages/ffmpeg/src/types.ts
@@ -64,6 +64,15 @@ export interface FFMessageDeleteDirData {
   path: FFFSPath;
 }
 
+export enum FFFSType {
+  MEMFS = "MEMFS",
+  NODEFS = "NODEFS",
+  NODERAWFS = "NODERAWFS",
+  IDBFS  = "IDBFS",
+  WORKERFS = "WORKERFS",
+  PROXYFS = "PROXYFS",
+}
+
 export type WorkerFSFileEntry =
   | File;
 
@@ -77,13 +86,17 @@ export interface WorkerFSMountData {
   files?: WorkerFSFileEntry[];
 }
 
+export type FFFSMountOptions =
+  | WorkerFSMountData;
+
 export interface FFMessageMountData {
-  path: FFFSPath;
-  data: WorkerFSMountData;
+  fsType: FFFSType;
+  options: FFFSMountOptions;
+  mountPoint: FFFSPath;
 }
 
 export interface FFMessageUnmountData {
-  path: FFFSPath;
+  mountPoint: FFFSPath;
 }
 
 export type FFMessageData =
@@ -158,4 +171,4 @@ export interface FFMessageEventCallback {
     type: string;
     data: CallbackData;
   };
-}
+}
\ No newline at end of file
diff --git a/packages/ffmpeg/src/worker.ts b/packages/ffmpeg/src/worker.ts
index 8a9584e9a52..446e866d11b 100644
--- a/packages/ffmpeg/src/worker.ts
+++ b/packages/ffmpeg/src/worker.ts
@@ -139,13 +139,16 @@ const deleteDir = ({ path }: FFMessageDeleteDirData): OK => {
   return true;
 };
 
-const mount = ({ path, data }: FFMessageMountData): OK => {
-  ffmpeg.FS.mount(ffmpeg.FS.filesystems.WORKERFS, data, path);
+const mount = ({ fsType, options, mountPoint }: FFMessageMountData): OK => {
+  let str = fsType as keyof typeof ffmpeg.FS.filesystems;
+  let fs = ffmpeg.FS.filesystems[str];
+  if (!fs) return false;
+  ffmpeg.FS.mount(fs, options, mountPoint);
   return true;
 };
 
-const unmount = ({ path }: FFMessageUnmountData): OK => {
-  ffmpeg.FS.unmount(path);
+const unmount = ({ mountPoint }: FFMessageUnmountData): OK => {
+  ffmpeg.FS.unmount(mountPoint);
   return true;
 };