iOS 视频图片压缩上传

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视频上传方法：http://www.jianshu.com/p/a89b1821162a

#pragma mark - 获取当前时间- (NSString *)getCurrentTime{    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];    [formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];    NSString *dateTime = [formatter stringFromDate:[NSDate date]];//    NSString *str = [NSString stringWithFormat:@"%@mdxx",dateTime];//    NSString *tokenStr = [str stringToMD5:str];    return dateTime;}#pragma mark - 视频压缩/** *  视频压缩 * *  @param url 视频文件的url * *  @return 压缩后的url */- (NSURL *)condenseVideoNewUrl: (NSURL *)url{    // 沙盒目录    NSString *docuPath = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];    NSString *destFilePath = [docuPath stringByAppendingPathComponent:[NSString stringWithFormat:@"lyh%@.MOV",[self getCurrentTime]]];    NSURL *destUrl = [NSURL fileURLWithPath:destFilePath];    //将视频文件copy到沙盒目录中    NSFileManager *manager = [NSFileManager defaultManager];    NSError *error = nil;    [manager copyItemAtURL:url toURL:destUrl error:&error];    NSLog(@"压缩前--%.2fk",[self getFileSize:destFilePath]);    // 播放视频    /*    NSURL *videoURL = [NSURL fileURLWithPath:destFilePath];    AVPlayer *player = [AVPlayer playerWithURL:videoURL];    AVPlayerLayer *playerLayer = [AVPlayerLayer playerLayerWithPlayer:player];    playerLayer.frame = self.view.bounds;    [self.view.layer addSublayer:playerLayer];    [player play];    */    // 进行压缩    AVAsset *asset = [AVAsset assetWithURL:destUrl];    //创建视频资源导出会话    /**     NSString *const AVAssetExportPresetLowQuality; // 低质量     NSString *const AVAssetExportPresetMediumQuality;     NSString *const AVAssetExportPresetHighestQuality; //高质量     */    AVAssetExportSession *session = [[AVAssetExportSession alloc] initWithAsset:asset presetName:AVAssetExportPresetLowQuality];    // 创建导出的url    NSString *resultPath = [docuPath stringByAppendingPathComponent:[NSString stringWithFormat:@"lyhg%@.MOV",[self getCurrentTime]]];    session.outputURL = [NSURL fileURLWithPath:resultPath];    // 必须配置输出属性    session.outputFileType = @"com.apple.quicktime-movie";    // 导出视频    [session exportAsynchronouslyWithCompletionHandler:^{        NSLog(@"压缩后---%.2fk",[self getFileSize:resultPath]);        NSLog(@"视频导出完成");    }];    return session.outputURL;}// 获取视频的大小- (CGFloat) getFileSize:(NSString *)path{    NSFileManager *fileManager = [[NSFileManager alloc] init] ;    float filesize = -1.0;    if ([fileManager fileExistsAtPath:path]) {        NSDictionary *fileDic = [fileManager attributesOfItemAtPath:path error:nil];//获取文件的属性        unsigned long long size = [[fileDic objectForKey:NSFileSize] longLongValue];        filesize = 1.0*size/1024;    }    return filesize;}

#pragma mark - Picker delgate- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info {    NSString *mediaType = [info objectForKey:UIImagePickerControllerMediaType];    if ([mediaType isEqualToString:(NSString *)kUTTypeImage]) {        NSLog(@"选取的是照片");        //        self.imageView.image = info[UIImagePickerControllerEditedImage];        // 压缩图片        NSData *fileData = UIImageJPEGRepresentation(info[UIImagePickerControllerEditedImage], 0.5);        //保存到Documents        NSString *imageStr = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];        NSString *imageFile = [imageStr stringByAppendingPathComponent:@"image.jpg"];        NSLog(@"%@",imageFile);        [fileData writeToFile:imageFile atomically:YES];        //保存至相册        UIImageWriteToSavedPhotosAlbum(info[UIImagePickerControllerEditedImage], self, @selector(image:didFinishSavingWithError:contextInfo:), nil);        // 上传图片        NSDictionary *dict = @{@"mem_id":@"600209"};        [AFNetworkTool upLoadToUrlString:@"http://www.baidu.com" parameters:dict fileData:fileData name:@"photo" fileName:@"abc.jpg" mimeType:@"image/jpeg" response:JSON progress:^(NSProgress *uploadProgress) {        } success:^(NSURLSessionDataTask *task, id responseObject) {            NSLog(@"success:%@ %@",responseObject, [responseObject objectForKey:@"msg"]);        } failure:^(NSURLSessionDataTask *task, NSError *error) {            NSLog(@"%@",error);        }];    }else{        // 如果是视频        NSURL *url = info[UIImagePickerControllerMediaURL];       // 获取视频总时长        CGFloat lengthTime = [self getVideoLength:url];        NSLog(@"%f",lengthTime);        // 保存视频至相册 (异步线程)        NSString *urlStr = [url path];        dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{            if (UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(urlStr)) {                UISaveVideoAtPathToSavedPhotosAlbum(urlStr, self, @selector(video:didFinishSavingWithError:contextInfo:), nil);            }        });        //压缩视频        NSData *videoData = [NSData dataWithContentsOfURL:[self condenseVideoNewUrl:url]];        //视频上传        if (lengthTime >10.0f) {            NSLog(@"文件过大只允许上传10s视频");        }else {            NSDictionary *dict = @{@"username":@"syl"};            [AFNetworkTool upLoadToUrlString:@"http://www.baidu.com" parameters:dict fileData:videoData name:@"file" fileName:@"video.mov" mimeType:@"video/quicktime" response:JSON progress:^(NSProgress *uploadProgress) {            } success:^(NSURLSessionDataTask *task, id responseObject) {                NSLog(@"上传成功%@",responseObject);            } failure:^(NSURLSessionDataTask *task, NSError *error) {                NSLog(@"%@",error);            }];        }    }    [self dismissViewControllerAnimated:YES completion:nil];}// 获取视频时间- (CGFloat) getVideoLength:(NSURL *)URL{    AVURLAsset *avUrl = [AVURLAsset assetWithURL:URL];    CMTime time = [avUrl duration];    int second = ceil(time.value/time.timescale);    return second;}#pragma mark 图片保存完毕的回调- (void) image: (UIImage *) image didFinishSavingWithError:(NSError *) error contextInfo: (void *)contextIn {    NSLog(@"照片保存成功");}#pragma mark 视频保存完毕的回调- (void)video:(NSString *)videoPath didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextIn {    if (error) {        NSLog(@"保存视频过程中发生错误，错误信息:%@",error.localizedDescription);    }else{        NSLog(@"视频保存成功.");    }}