앨범에 동영상 저장하는 방법

    // 앨범에 파일 복사

    ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];

    NSString *plistPath;

    NSString *rootPath;     

    rootPath= [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];

    plistPath = [rootPath stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.mov", filenameNow]];  

    NSURL *fileURL = [[NSURL alloc] initFileURLWithPath:plistPath];

    if ([library videoAtPathIsCompatibleWithSavedPhotosAlbum:fileURL]) {

        [library writeVideoAtPathToSavedPhotosAlbum:fileURL completionBlock:^(NSURL *assetURL, NSError *error){

            if (error) {

                // TODO: error handling

                NSLog(@"error: %@", error);

            } else {

                // TODO: success handling

                NSLog(@"movie file saved album");

                [self.btnRecord setTitle:@"Start" forState:UIControlStateNormal];

                [self.btnRecord setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];

                // updateRecodingValue 취소

                [NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(updateRecodingValue) object:nil];

                // 데이터베이스파일 생성 및 백업

                //[self createDataBaseFile];

            }

        }];

    }