package com.applovin.impl;

import com.applovin.impl.b5;
import java.util.ArrayList;
import java.util.Collections;

/* loaded from: classes.dex */
public final class qf extends ek {
    private final bh o;

    public qf() {
        super("Mp4WebvttDecoder");
        this.o = new bh();
    }

    @Override // com.applovin.impl.ek
    public nl a(byte[] bArr, int i, boolean z) {
        this.o.a(bArr, i);
        ArrayList arrayList = new ArrayList();
        while (this.o.a() > 0) {
            if (this.o.a() >= 8) {
                int j = this.o.j();
                if (this.o.j() == 1987343459) {
                    arrayList.add(a(this.o, j - 8));
                } else {
                    this.o.g(j - 8);
                }
            } else {
                throw new pl("Incomplete Mp4Webvtt Top Level box header found.");
            }
        }
        return new rf(arrayList);
    }

    private static b5 a(bh bhVar, int i) {
        CharSequence charSequence = null;
        b5.b bVar = null;
        while (i > 0) {
            if (i >= 8) {
                int j = bhVar.j();
                int j2 = bhVar.j();
                int i2 = j - 8;
                String a = xp.a(bhVar.c(), bhVar.d(), i2);
                bhVar.g(i2);
                i = (i - 8) - i2;
                if (j2 == 1937011815) {
                    bVar = xr.c(a);
                } else if (j2 == 1885436268) {
                    charSequence = xr.a((String) null, a.trim(), Collections.emptyList());
                }
            } else {
                throw new pl("Incomplete vtt cue box header found.");
            }
        }
        if (charSequence == null) {
            charSequence = "";
        }
        if (bVar != null) {
            return bVar.a(charSequence).a();
        }
        return xr.a(charSequence);
    }
}