MOV_TO_MP4

  

   

    

     

    
    

     

      -(void)MovToMp4
     
    
   

    

     

    
    

     

      {
     
    
   

    

     

    
    

     

          AVURLAsset *avAsset = [AVURLAsset URLAssetWithURL:[NSURL fileURLWithPath:screenFilePath] options:nil];
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     

          NSArray *compatiblePresets = [AVAssetExportSession exportPresetsCompatibleWithAsset:avAsset];
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     
    if ([compatiblePresets containsObject:AVAssetExportPresetLowQuality])
     
    
   

    

     

    
    

     
        
     
    
   

    

     

    
    

     

          {
     
    
   

    

     

    
    

     
        
     
    
   

    

     

    
    

     

              AVAssetExportSession *exportSession = [[AVAssetExportSession alloc]initWithAsset:avAsset presetName:AVAssetExportPresetHighestQuality];
     
    
   

    

     

    
    

     
        
     
    
   

    

     

    
    

     

              NSDateFormatter* formater = [[NSDateFormatter alloc] init];
     
    
   

    

     

    
    

     

              [formater setDateFormat:@"yyyyMMddHHmmss"];
     
    
   

    

     

    
    

     

              NSString *_mp4Path = [[NSHomeDirectory() stringByAppendingFormat:@"/Documents/%@.mp4", [formater stringFromDate:[NSDate date]]] retain];
     
    
   

    

     

    
    

     

              [formater release];
     
    
   

    

     

    
    

     

              exportSession.outputURL = [NSURL fileURLWithPath:_mp4Path];
     
    
   

    

     

    
    

     
        
     
    
   

    

     

    
    

     

              exportSession.outputFileType = AVFileTypeMPEG4;
     
    
   

    

     

    
    

     
        
     
    
   

    

     

    
    

     

              CMTime start = CMTimeMakeWithSeconds(1.0, 600);
     
    
   

    

     

    
    

     
        
     
    
   

    

     

    
    

     

              CMTime duration = CMTimeMakeWithSeconds(3.0, 600);
     
    
   

    

     

    
    

     
        
     
    
   

    

     

    
    

     

              CMTimeRange range = CMTimeRangeMake(start, duration);
     
    
   

    

     

    
    

     
        
     
    
   

    

     

    
    

     

              exportSession.timeRange = range;
     
    
   

    

     

    
    

     
        
     
    
   

    

     

    
    

     

              [exportSession exportAsynchronouslyWithCompletionHandler:^{
     
    
   

    

     

    
    

     
            
     
    
   

    

     

    
    

     
            switch ([exportSession status]) {
     
    
   

    

     

    
    

     
                    
     
    
   

    

     

    
    

     
                case AVAssetExportSessionStatusFailed:
     
    
   

    

     

    
    

     
                    NSLog(@"Export failed: %@", [[exportSession error] localizedDescription]);
     
    
   

    

     

    
    

     
                    
     
    
   

    

     

    
    

     
                    break;
     
    
   

    

     

    
    

     
                    
     
    
   

    

     

    
    

     
                case AVAssetExportSessionStatusCancelled:
     
    
   

    

     

    
    

     
                    
     
    
   

    

     

    
    

     
                    NSLog(@"Export canceled");
     
    
   

    

     

    
    

     
                    
     
    
   

    

     

    
    

     
                    break;
     
    
   

    

     

    
    

     
                case AVAssetExportSessionStatusCompleted:
     
    
   

    

     

    
    

     

                      {
     
    
   

    

     

    
    

     
                    NSLog(@"开始上传屏幕快照");
     
    
   

    

     

    
    

     

                        [g_api UpdateScreen:_mp4Path];   
     
    
   

    

     

    
    

     

                      }
     
    
   

    

     

    
    

     
                    break;
     
    
   

    

     

    
    

     
                default:
     
    
   

    

     

    
    

     
                    
     
    
   

    

     

    
    

     
                    break;
     
    
   

    

     

    
    

     
                    
     
    
   

    

     

    
    

     

                  }
     
    
   

    

     

    
    

     
            
     
    
   

    

     

    
    

     

                  [exportSession release];
     
    
   

    

     

    
    

     
            
     
    
   

    

     

    
    

     

              }];
     
    
   

    

     

    
    

     
        
     
    
   

    

     

    
    

     

          }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      }
     
    
  
 

  
 
 

文章来源: zzzili.blog.csdn.net，作者：清雨小竹，版权归原作者所有，如需转载，请联系作者。

原文链接：zzzili.blog.csdn.net/article/details/15028645