从ID3标签/转换功能从Java到Objective-C获取专辑图片

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.jaudiotagger.audio.AudioFile;
import org.jaudiotagger.audio.AudioFileIO;
import org.jaudiotagger.audio.exceptions.CannotReadException;
import org.jaudiotagger.audio.exceptions.InvalidAudioFrameException;
import org.jaudiotagger.audio.exceptions.ReadOnlyFileException;
import org.jaudiotagger.tag.FieldKey;
import org.jaudiotagger.tag.Tag;
import org.jaudiotagger.tag.TagException;
import org.jaudiotagger.tag.images.Artwork;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;

public class ID3Example {
    public static void main(String[] args) {
        try {
            File file = new File("path/to/audio/file.mp3");
            AudioFile audioFile = AudioFileIO.read(file);
            Tag tag = audioFile.getTag();
            Artwork artwork = tag.getFirstArtwork();
            if (artwork != null) {
                InputStream inputStream = artwork.getBinaryData();
                FileUtils.copyInputStreamToFile(inputStream, new File("path/to/output/image.jpg"));
                IOUtils.closeQuietly(inputStream);
            }
        } catch (CannotReadException | IOException | TagException | ReadOnlyFileException | InvalidAudioFrameException e) {
            e.printStackTrace();
        }
    }
}

#import<Foundation/Foundation.h>
#import <ID3TagEditor/ID3TagEditor.h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        NSError *error;
        NSString *filePath = @"path/to/audio/file.mp3";
        ID3TagEditor *editor = [[ID3TagEditor alloc] initWithFilePath:filePath error:&error];
        if (editor) {
            NSArray<ID3Frame *> *frames = [editor readFramesWithIdentifier:@"APIC" error:&error];
            for (ID3FrameAPIC *frame in frames) {
                if (frame.frameType == ID3FrameTypeAPIC) {
                    NSData *imageData = [frame.imageData copy];
                    if (imageData) {
                        NSString *outputPath = @"path/to/output/image.jpg";
                        [imageData writeToFile:outputPath atomically:YES];
                    }
                }
            }
        } else {
            NSLog(@"Error: %@", error.localizedDescription);
        }
    }
    return 0;
}