airrons

i just don't know how to use this convert tool `self.transcoder = [[DGAudioTranscoder alloc]initWithURL:audioUrl transcodingToUrl:desUrl]; self.transcoder.delegate = self; self.transcoder.outputAudioFormat = kAudioFileM4AType; self.transcoder.doneBlock = ^(DGAudioTranscoder * transcoder){ NSLog(@"======"); }; [self.transcoder start];`...

it didn't work after reactive from background

1

it didn't work after reactive from background. any idea for this issue?