AVPlayer添加请求头

NSMutableDictionary * headers = [NSMutableDictionary dictionary];

RequestType = @"http://"

BaseUrl =@"video.haohaohao.com"  这个是你的header

    [headers setObject:[NSString stringWithFormat:@"%@%@",RequestType,BaseUrl]   forKey:@"Referer"];

    self.urlAsset = [AVURLAsset URLAssetWithURL:self.videoURL options:@{@"AVURLAssetHTTPHeaderFieldsKey" : headers}];