视频上传

//注意要给self.imagePicker设置代理
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{
// 判断是否支持相机
if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
switch (buttonIndex) {
case 0:{//拍摄

self.imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;
self.imagePicker.view.hidden = NO;
self.imagePicker.mediaTypes = @[(NSString *)kUTTypeMovie];
self.imagePicker.videoMaximumDuration = 30;
[self presentViewController:self.imagePicker animated:YES completion:NULL];
}
break;
case 1:{//从相册选择视频

UIImagePickerController *ipc = [[UIImagePickerController alloc] init];
if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary]){
ipc.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
ipc.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType:ipc.sourceType];
ipc.mediaTypes = [[NSArray alloc] initWithObjects:(NSString*) kUTTypeMovie, (NSString*) kUTTypeVideo, nil];

}
ipc.delegate = self;
ipc.allowsEditing = NO;
[self presentViewController:ipc animated:YES completion:NULL];
}

break;

default:
break;

}
}
}

#pragma mark - UIImagePickerControllerDelegate

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
NSString *mediaType = info[UIImagePickerControllerMediaType];
if ([mediaType isEqualToString:(NSString *)kUTTypeMovie])//视频上传
{
NSURL *videoURL = info[UIImagePickerControllerMediaURL];
__weak typeof(self) weakSelf = self;
NSLog(@"media %@",info);
NSURL    *movieURL = [info valueForKey:UIImagePickerControllerMediaURL];
NSDictionary *opts = [NSDictionary dictionaryWithObject:[NSNumber numberWithBool:NO]
forKey:AVURLAssetPreferPreciseDurationAndTimingKey];

AVURLAsset *urlAsset = [AVURLAsset URLAssetWithURL:movieURL options:opts];  // 初始化视频媒体文件

long long  second = 0;

second = urlAsset.duration.value / urlAsset.duration.timescale; // 获取视频总时长,单位秒

NSLog(@"movie duration : %lld", second);
[picker dismissViewControllerAnimated:YES completion:^{
CGRect frame = weakSelf.view.frame;
if (frame.size.height == SCREEN_WIDTH - 44) {
picker.view.hidden = YES;
[weakSelf presentViewController:picker animated:NO completion:nil];
[picker dismissViewControllerAnimated:NO completion:nil];
}

}];
// video url:
// file:///private/var/mobile/Applications/B3CDD0B2-2F19-432B-9CFA-158700F4DE8F/tmp/capture-T0x16e39100.tmp.9R8weF/capturedvideo.mp4
// we will convert it to mp4 format
NSURL *mp4 = [self convert2Mp4:videoURL];
NSFileManager *fileman = [NSFileManager defaultManager];
if ([fileman fileExistsAtPath:videoURL.path]) {
NSError *error = nil;
[fileman removeItemAtURL:videoURL error:&error];
if (error) {
NSLog(@"failed to remove file, error:%@.", error);
}
}
[self uploadfile:mp4.path];

}else//照片上传
{

UIImage *orgImage = info[UIImagePickerControllerOriginalImage];
//         2.取出用户选中的图片
UIImage *image = info[UIImagePickerControllerOriginalImage];
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[self.imageArray addObject:image];
_projectView.photoAry = self.imageArray;

NSDictionary *dict = @{
@"type" :@"1",
@"access_token":[XHLoginTool token],

};

[XHHttpTool postURlForPicture:YF_UPLOAD paremeter:dict NSMutableArray:self.imageArray
goodResult:^(id responseObj) {
XHLog(@"postURlForPicture =%@",responseObj);
self.projectModel.ImageId = responseObj;

} badResult:^(NSError *error) {
XHLog(@"失败");
} noNetWork:^{
XHLog(@"~~没网了亲~~");
} InView:self.view haveProgress:YES];

[picker dismissViewControllerAnimated:YES completion:nil];
}
}

#pragma mark 网络请求
/**
*  功能 AFNetWorking带进度指示文件上传
*  @param filePath 文件路径
*/
-(void)uploadfile:(NSString *)filePath
{
//服务器所需参数（非必须）
NSMutableDictionary *params=[NSMutableDictionary dictionary];
[params setObject:@"0" forKey:@"uptype"];  //0-表单上传  1-字节流上传
[params setObject:@"VEJQemdPdDd6ZEdhYWY1" forKey:@"key"];

NSData  *fileData=[NSData dataWithContentsOfFile:filePath];  //二进制数据
NSString *fileName=[filePath lastPathComponent];             //文件名
NSString *mimeType=@"video/mp4";//[self getMIMEType:filePath];              //文件类型

if (!mimeType) {
mimeType = @"application/octet-stream";
}
NSMutableURLRequest *request = [[AFHTTPRequestSerializer serializer] multipartFormRequestWithMethod:@"POST" URLString:@"http://testfront.vcspark.com/app/projectFiles/upProjectFile" parameters:params constructingBodyWithBlock:^(id<AFMultipartFormData> formData){

[formData appendPartWithFileData:fileData name:@"file" fileName:fileName mimeType:mimeType];
} error:nil];

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) {
NSLog(@"Error: %@", error);
} else {
NSLog(@"response:%@ ,responseObject%@", response, responseObject);
}
}];

[uploadTask resume];
}

- (NSURL *)convert2Mp4:(NSURL *)movUrl {
NSURL *mp4Url = nil;
AVURLAsset *avAsset = [AVURLAsset URLAssetWithURL:movUrl options:nil];
NSArray *compatiblePresets = [AVAssetExportSession exportPresetsCompatibleWithAsset:avAsset];

if ([compatiblePresets containsObject:AVAssetExportPresetHighestQuality]) {
AVAssetExportSession *exportSession = [[AVAssetExportSession alloc]
initWithAsset:avAsset
presetName:AVAssetExportPreset640x480];
mp4Url = [movUrl copy];
mp4Url = [mp4Url URLByDeletingPathExtension];
mp4Url = [mp4Url URLByAppendingPathExtension:@"mp4"];
exportSession.outputURL = mp4Url;
exportSession.shouldOptimizeForNetworkUse = YES;
exportSession.outputFileType = AVFileTypeMPEG4;
dispatch_semaphore_t wait = dispatch_semaphore_create(0l);
//        [self showHudInView:self.view hint:@"正在压缩"];
//        __weak typeof(self) weakSelf = self;
[exportSession exportAsynchronouslyWithCompletionHandler:^{
//            [weakSelf hideHud];
switch ([exportSession status]) {
case AVAssetExportSessionStatusFailed: {
NSLog(@"failed, error:%@.", exportSession.error);
} break;
case AVAssetExportSessionStatusCancelled: {
NSLog(@"cancelled.");
} break;
case AVAssetExportSessionStatusCompleted: {
NSLog(@"completed.");
} break;
default: {
NSLog(@"others.");
} break;
}
dispatch_semaphore_signal(wait);
}];
long timeout = dispatch_semaphore_wait(wait, DISPATCH_TIME_FOREVER);
if (timeout) {
NSLog(@"timeout.");
}
if (wait) {
//dispatch_release(wait);
wait = nil;
}
}

return mp4Url;
}