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iOS 视频图片压缩上传

iOS 视频图片压缩上传

作者: 刘宇航iOS | 来源:发表于2016-06-24 16:39 被阅读4126次

    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.");
        }
    }
    
    

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