fix: 没有释放解码器的内存

public/project/images/convert.bat

@@ -1,3 +0,0 @@
-for %%i in (*.jpg) do (
-    ffmpeg -i "%%i" -q:v 70 "%%~ni.webp"
-)

src/module/audio/decoder.ts

@@ -116,6 +116,7 @@ export abstract class AudioDecoder {
                 decodedData.channelData.forEach((v, i) => {
                     buffer.copyToChannel(v, i);
                 });
+                decoder.destroy();
                 return buffer;
             }
         }