Installation with CocoaPods

$ gem install cocoapods

Podfile

source'https://github.com/CocoaPods/Specs.git'platform:ios,'8.0'target'TargetName'dopod'DPVideoMerger'end

$ pod install

Add Manually

Usage

    #import"DPVideoMerger.h"    #import<AVKit/AVKit.h>    #import<AVFoundation/AVFoundation.h>NSString *filePath = [[NSBundlemainBundle]pathForResource:@"1"ofType:@"mp4"];NSURL *fileURL = [NSURLfileURLWithPath:filePath];NSString *filePath1 = [[NSBundlemainBundle]pathForResource:@"2"ofType:@"mp4"];NSURL *fileURL1 = [NSURLfileURLWithPath:filePath1];NSString *filePath2 = [[NSBundlemainBundle]pathForResource:@"3"ofType:@"MOV"];NSURL *fileURL2 = [NSURLfileURLWithPath:filePath2];NSString *filePath3 = [[NSBundlemainBundle]pathForResource:@"4"ofType:@"mp4"];NSURL *fileURL3 = [NSURLfileURLWithPath:filePath3];NSArray *fileURLs = @[fileURL, fileURL1,fileURL2,fileURL3];        [DPVideoMergermergeVideosWithFileURLs:fileURLscompletion:^(NSURL *mergedVideoFile,NSError *error) {if (error) {NSString *errorMessage = [NSStringstringWithFormat:@"Could not merge videos:%@", [errorlocalizedDescription]];            UIAlertController *alert = [UIAlertControlleralertControllerWithTitle:@"Error"message:errorMessagepreferredStyle:UIAlertControllerStyleAlert];            [selfpresentViewController:alertanimated:YEScompletion:nil];return;        }                AVPlayerViewController *objAVPlayerVC = [[AVPlayerViewControlleralloc]init];        objAVPlayerVC.player = [AVPlayerplayerWithURL:mergedVideoFile];        [selfpresentViewController:objAVPlayerVCanimated:YEScompletion:^{            [objAVPlayerVC.playerplay];        }];    }];        [DPVideoMergergridMergeVideosWithFileURLs:fileURLsandVideoResolution:CGSizeMake(2000,2000)andRepeatVideo:truecompletion:^(NSURL *mergedVideoURL,NSError *error) {if (error) {NSString *errorMessage = [NSStringstringWithFormat:@"Could not merge videos:%@", [errorlocalizedDescription]];            UIAlertController *alert = [UIAlertControlleralertControllerWithTitle:@"Error"message:errorMessagepreferredStyle:UIAlertControllerStyleAlert];            [alertaddAction:[UIAlertActionactionWithTitle:@"OK"style:UIAlertActionStyleDefaulthandler:^(UIAlertAction * _Nonnull action) {}]];            [selfpresentViewController:alertanimated:YEScompletion:nil];return;        }                AVPlayerViewController *objAVPlayerVC = [[AVPlayerViewControlleralloc]init];        objAVPlayerVC.player = [AVPlayerplayerWithURL:mergedVideoURL];        [selfpresentViewController:objAVPlayerVCanimated:YEScompletion:^{            [objAVPlayerVC.playerplay];        }];    }];