dispose of input once finished

src/lib/media/video/compress.ts

@@ -7,10 +7,6 @@ import {extToMime} from './util'
 
 const MIN_SIZE_FOR_COMPRESSION = 25 // 25mb
 
-export function hasWebCodecs(): boolean {
-  throw new Error('Native does not have WebCodecs.')
-}
-
 export async function compressVideo(
   file: ImagePickerAsset,
   opts?: {

src/lib/media/video/compress.web.ts

@@ -245,16 +245,24 @@ async function doCompression(
   }
 
   if (signal) {
-    signal.addEventListener('abort', () => {
-      logger.debug('compress: cancelled')
-      conversion.cancel()
-    })
+    signal.addEventListener(
+      'abort',
+      () => {
+        logger.debug('compress: cancelled')
+        conversion.cancel()
+      },
+      {once: true},
+    )
   }
 
   logger.debug('compress: starting conversion')
   const startTime = performance.now()
 
-  await conversion.execute()
+  try {
+    await conversion.execute()
+  } finally {
+    input.dispose()
+  }
 
   const elapsed = performance.now() - startTime
   const bytes = target.buffer