video_trimmer_2

A Flutter plugin to trim videos on Android and iOS.

Features

• Trim videos on Android using MediaExtractor + MediaMuxer
• Trim videos on iOS using AVFoundation
• Simple API with Future-based result handling
• Works with any video file format supported by the respective platforms

Getting Started

Installation

Add this to your package's pubspec.yaml file:

dependencies:
  video_trimmer_2: ^0.1.1

Android Configuration

Add the following permissions to your Android Manifest (android/app/src/main/AndroidManifest.xml):

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

iOS Configuration

Add the following keys to your ios/Runner/Info.plist:

<key>NSPhotoLibraryUsageDescription</key>
<string>To access videos for trimming</string>
<key>NSCameraUsageDescription</key>
<string>To capture videos for trimming</string>
<key>NSMicrophoneUsageDescription</key>
<string>To capture audio for videos</string>

Usage

Here's a simple example of how to use the video trimmer:

import 'dart:io';
import 'package:video_trimmer_2/video_trimmer_2.dart';

Future<void> trimMyVideo() async {
  final Trimmer trimmer = Trimmer();
  
  // Assuming you have a File instance of a video
  File inputVideo = File('/path/to/your/video.mp4');
  
  try {
    // Trim video from 2 seconds to 8 seconds
    File trimmedVideo = await trimmer.trimVideo(
      file: inputVideo,
      startMs: 2000,  // 2 seconds
      endMs: 8000,    // 8 seconds
    );
    
    print('Trimmed video saved to: ${trimmedVideo.path}');
  } catch (e) {
    print('Error trimming video: $e');
  }
}

Example

Check out the example app in the example directory for a complete demo of video trimming with UI controls.

Additional Utilities

The package includes some utility functions in the FileUtils class:

// Generate a unique path for output video
String outputPath = await FileUtils.generateOutputPath();

// Check if a file is a video file based on extension
bool isVideo = FileUtils.isVideoFile(File('/path/to/file.mp4'));

// Get just the filename from a path
String filename = FileUtils.getFilename('/path/to/video.mp4'); // Returns 'video.mp4'

Issues and Feedback

Please file issues, bugs, or feature requests in the issue tracker.

License

This project is licensed under the MIT License - see the LICENSE file for details.