Make MediaSource.close return void

src/conversion.ts

@@ -499,7 +499,7 @@ export class Conversion {
 					this._reportProgress(track.id, packet.timestamp + packet.duration);
 				}
 
-				await source.close();
+				source.close();
 				this._synchronizer.closeTrack(track.id);
 			})());
 		} else {
@@ -593,7 +593,7 @@ export class Conversion {
 						sample.close();
 					}
 
-					await source.close();
+					source.close();
 					this._synchronizer.closeTrack(track.id);
 				})());
 			}
@@ -670,7 +670,7 @@ export class Conversion {
 					this._reportProgress(track.id, packet.timestamp + packet.duration);
 				}
 
-				await source.close();
+				source.close();
 				this._synchronizer.closeTrack(track.id);
 			})());
 		} else {
@@ -763,7 +763,7 @@ export class Conversion {
 						sample.close();
 					}
 
-					await source.close();
+					source.close();
 					this._synchronizer.closeTrack(track.id);
 				})());
 			}
@@ -822,7 +822,7 @@ export class Conversion {
 
 			await resampler.finalize();
 
-			await source.close();
+			source.close();
 			this._synchronizer.closeTrack(track.id);
 		})());
 

src/media-source.ts

@@ -81,7 +81,7 @@ export abstract class MediaSource {
 	 */
 	close() {
 		if (this._closingPromise) {
-			throw new Error('Source already closed.');
+			return;
 		}
 
 		const connectedTrack = this._connectedTrack;
@@ -94,7 +94,7 @@ export abstract class MediaSource {
 			throw new Error('Cannot call close before output has been started.');
 		}
 
-		return this._closingPromise = (async () => {
+		this._closingPromise = (async () => {
 			await this._flushAndClose();
 
 			this._closed = true;