整体思路：拿到视频资源，先转为mp4，写进沙盒，然后上传，上传成功后要记得删除沙盒中的文件。
压缩导出视频
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//视频转换为MP4//转码操作..._hud.mode = MBProgressHUDModeIndeterminate;_hud.labelText = @"转码中...";AVURLAsset *avAsset = [AVURLAsset URLAssetWithURL:_filePathURL options:nil];NSDateFormatter* formater = [[NSDateFormatter alloc] init];[formater setDateFormat:@"yyyyMMddHHmmss"];_fileName = [NSString stringWithFormat:@"output-%@.mp4",[formater stringFromDate:[NSDate date]]];_outfilePath = [NSHomeDirectory() stringByAppendingFormat:@"/Documents/%@", _fileName];NSArray *compatiblePresets = [AVAssetExportSession exportPresetsCompatibleWithAsset:avAsset];if ([compatiblePresets containsObject:AVAssetExportPresetMediumQuality]) { MyLog(@"outPath = %@",_outfilePath); AVAssetExportSession *exportSession = [[AVAssetExportSession alloc]initWithAsset:avAsset presetName:AVAssetExportPresetMediumQuality]; exportSession.outputURL = [NSURL fileURLWithPath:_outfilePath]; exportSession.outputFileType = AVFileTypeMPEG4; [exportSession exportAsynchronouslyWithCompletionHandler:^{ if ([exportSession status] == AVAssetExportSessionStatusCompleted) { MyLog(@"AVAssetExportSessionStatusCompleted---转换成功"); _filePath = _outfilePath; MyLog(@"转换完成_filePath = %@\\n_filePathURL = %@",_filePath,_filePathURL); //获取大小和长度 [self SetViewText]; [self uploadNetWorkWithParam:@{@"contenttype":@"application/octet-stream",@"discription":description}]; }else{ MyLog(@"转换失败,值为:%li,可能的原因:%@",(long)[exportSession status],[[exportSession error] localizedDescription]); [_hud hide:YES]; [MyHelper showAlertWith:nil txt:@"转换失败,请重试"]; } }];} |
开始上传
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- (void)uploadNetWorkWithParam:(NSDictionary*)dict { MyLog(@"开始上传_filePath = %@\\n_filePathURL = %@",_filePath,_filePathURL); AFHTTPRequestSerializer *ser=[[AFHTTPRequestSerializer alloc]init]; NSMutableURLRequest *request = [ser multipartFormRequestWithMethod:@"POST" URLString:[NSString stringWithFormat:@"%@%@",kBaseUrl,kVideoUploadUrl] parameters:@{@"path":@"show",@"key":_key,@"discription":dict[@"discription"],@"isimage":@(_isImage)} constructingBodyWithBlock:^(id<AFMultipartFormData> formData) { [formData appendPartWithFileURL:_filePathURL name:@"file" fileName:_fileName mimeType:dict[@"contenttype"] error:nil]; if (!_isImage) { [formData appendPartWithFileURL:_path2Url name:@"tmp" fileName:@"tmp.PNG" mimeType:@"image/png" error:nil]; } } error:nil]; //@"image/png" @"application/octet-stream" mimeType AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]]; NSProgress *progress = nil; NSURLSessionUploadTask *uploadTask = [manager uploadTaskWithStreamedRequest:request progress:&progress completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) { if (error) { MyLog(@"request = %@", request ); MyLog(@"response = %@", response ); MyLog(@"Error: %@", error ); [_hud hide:YES]; CXAlertView *alert=[[CXAlertView alloc]initWithTitle:NSLocalizedString(@"Warning", nil) message:NSLocalizedString(@"Upload Failed",nil) cancelButtonTitle:NSLocalizedString(@"Iknow", nil)]; alert.showBlurBackground = NO; [alert show]; } else { MyLog(@"%@ %@", response, responseObject); NSDictionary *backDict=(NSDictionary *)responseObject; if ([backDict[@"success"] boolValue] != NO) { _hud.labelText = NSLocalizedString(@"Updating", nil); [self UpdateResxDateWithDict:backDict discription:dict[@"discription"]]; [_hud hide:YES]; }else{ [_hud hide:YES]; [MyHelper showAlertWith:nil txt:backDict[@"msg"]]; } } [progress removeObserver:self forKeyPath:@"fractionCompleted" context:NULL]; }]; [progress addObserver:self forKeyPath:@"fractionCompleted" options:NSKeyValueObservingOptionNew context:NULL]; [progress setUserInfoObject:@"someThing" forKey:@"Y.X."]; [uploadTask resume];} |
清除documents中视频
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-(void)ClearMovieFromDoucments{ NSFileManager *fileManager = [NSFileManager defaultManager]; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSArray *contents = [fileManager contentsOfDirectoryAtPath:documentsDirectory error:NULL]; NSEnumerator *e = [contents objectEnumerator]; NSString *filename; while ((filename = [e nextObject])) { MyLog(@"%@",filename); if ([filename isEqualToString:@"tmp.PNG"]) { MyLog(@"删除%@",filename); [fileManager removeItemAtPath:[documentsDirectory stringByAppendingPathComponent:filename] error:NULL]; continue; } if ([[[filename pathExtension] lowercaseString] isEqualToString:@"mp4"]|| [[[filename pathExtension] lowercaseString] isEqualToString:@"mov"]|| [[[filename pathExtension] lowercaseString] isEqualToString:@"png"]) { MyLog(@"删除%@",filename); [fileManager removeItemAtPath:[documentsDirectory stringByAppendingPathComponent:filename] error:NULL]; } }} |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：http://www.jianshu.com/p/c61c25befa8b
