Extract audio track from the video

This method allows you to extract the audio from a video file specified by its file uri.

This function is useful when you need to extract the audio track from a video.

Parameters

• videoFileUri (string): The file uri of the video from which you want to extract the audio.

Returns

A Promise that resolves with the following values:

• onfulfilled (string): Returns the output audio file's uri upon successful extraction.

• onrejected (string): Returns a meaningful error message with context if an error occurs during the extraction process.

Note: The format of the output audio file will be .aac, and video file will have a format of .mp4

Usage

import React from 'react';
import {
  View,
  Button,
  Alert,
  StyleSheet,
  Text,
  Dimensions,
} from 'react-native';
import { extractAudioFromVideo } from 'rnvideoeditor';
import { launchImageLibrary } from 'react-native-image-picker';
const ExtractAudio = () => {
  const handleExtract = React.useCallback(async () => {
    try {
      const result = await launchImageLibrary({
        mediaType: 'video',
      });

      if (result.assets && !result.didCancel) {
        const fileUri = result.assets[0].uri;

        if (fileUri) {
          const audioUri = await extractAudioFromVideo(fileUri);
          console.log(audioUri);
          Alert.alert('Audio Extracted');
        }
      }
    } catch (error) {
      console.error('Error during video picking or audio extraction:', error);
    }
  }, []);

  return (
    <View style={styles.container}>
      <View style={styles.box}>
        <Text>Pick Video and extract audio from it</Text>
        <Button title="Pick Video and extract Audio" onPress={handleExtract} />
      </View>
    </View>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    alignItems: 'center',
    justifyContent: 'center',
  },
  box: {
    width: Dimensions.get('window').width - 100,
    height: 80,
    marginVertical: 20,
  },
});