Id3Peeker (ExoPlayer library)

java.lang.Object
- com.google.android.exoplayer2.extractor.Id3Peeker

```
public final class Id3Peeker
extends Object
```
Peeks data from the beginning of an ExtractorInput to determine if there is any ID3 tag.

Constructor Summary

Constructors
Constructor Description

Id3Peeker()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Metadata`	`peekId3Data(ExtractorInput input, Id3Decoder.FramePredicate id3FramePredicate)`	Peeks ID3 data from the input and parses the first ID3 tag.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Id3Peeker
```
public Id3Peeker()
```
- Method Detail
  - peekId3Data
```
@Nullable
public Metadata peekId3Data(ExtractorInput input,
                            @Nullable
                            Id3Decoder.FramePredicate id3FramePredicate)
                     throws IOException
```
    Peeks ID3 data from the input and parses the first ID3 tag.
    
    Parameters:
    
    input - The ExtractorInput from which data should be peeked.
    
    id3FramePredicate - Determines which ID3 frames are decoded. May be null to decode all frames.
    
    Returns:
    
    The first ID3 tag decoded into a Metadata object. May be null if ID3 tag is not present in the input.
    
    Throws:
    
    IOException - If an error occurred peeking from the input.