cancel method
Cancels running the session.
Implementation
Future<void> cancel() async {
try {
final int? sessionId = getSessionId();
await FFmpegKitConfig.init();
if (sessionId == null) {
return _platform.ffmpegKitCancel();
} else {
return _platform.ffmpegKitCancelSession(sessionId);
}
} on PlatformException catch (e, stack) {
print("Plugin cancel error: ${e.message}");
return Future.error("cancel failed.", stack);
}
}