Feat: use ffmpeg wasm (#177)

* add ffmepg wasm

* refactor whisper config

* refactor ffmpeg config

* remove depected codes

* refactor model download

* decouple whipser & ffmpeg when transcribe

* do not always toast not found error

* ffmpeg works in renderer

* transcode in renderer & transcript in main

* improve transcode

* refactor

* remove ffmpeg check

* fix whisper config check

* update whisper check

* enable SharedArrayBuffer

* remove ffmpeg setting

* fix UI

* handle ffmpeg not ready

* may create issue when whisper check failed

* upgrade deps

* hide ffmpeg setting if not ready

* hide record button when not in region

enjoy/src/main/ffmpeg.ts

@@ -316,6 +316,15 @@ export class FfmpegDownloader {
   }
 
   registerIpcHandlers() {
+    ipcMain.handle("ffmpeg-config", async (_event) => {
+      return settings.ffmpegConfig();
+    });
+
+    ipcMain.handle("ffmpeg-set-config", async (_event, config) => {
+      settings.setSync("ffmpeg.ffmpegPath", config.ffmpegPath);
+      settings.setSync("ffmpeg.ffprobePath", config.ffrobePath);
+    });
+
     ipcMain.handle("ffmpeg-download", async (event) => {
       try {
         return await this.download(event.sender);