Rabbit-R1/original r1/java/sources/androidx/media3/exoplayer/mediacodec/IntArrayQueue.java
2024-05-21 17:08:36 -04:00

76 lines
1.9 KiB
Java

package androidx.media3.exoplayer.mediacodec;
import java.util.NoSuchElementException;
/* loaded from: classes2.dex */
final class IntArrayQueue {
private static final int DEFAULT_INITIAL_CAPACITY = 16;
private int wrapAroundMask;
private int headIndex = 0;
private int tailIndex = -1;
private int size = 0;
private int[] data = new int[16];
public void clear() {
this.headIndex = 0;
this.tailIndex = -1;
this.size = 0;
}
public boolean isEmpty() {
return this.size == 0;
}
public int size() {
return this.size;
}
public IntArrayQueue() {
this.wrapAroundMask = r0.length - 1;
}
public void add(int i) {
if (this.size == this.data.length) {
doubleArraySize();
}
int i2 = (this.tailIndex + 1) & this.wrapAroundMask;
this.tailIndex = i2;
this.data[i2] = i;
this.size++;
}
public int remove() {
int i = this.size;
if (i == 0) {
throw new NoSuchElementException();
}
int[] iArr = this.data;
int i2 = this.headIndex;
int i3 = iArr[i2];
this.headIndex = (i2 + 1) & this.wrapAroundMask;
this.size = i - 1;
return i3;
}
public int capacity() {
return this.data.length;
}
private void doubleArraySize() {
int[] iArr = this.data;
int length = iArr.length << 1;
if (length < 0) {
throw new IllegalStateException();
}
int[] iArr2 = new int[length];
int length2 = iArr.length;
int i = this.headIndex;
int i2 = length2 - i;
System.arraycopy(iArr, i, iArr2, 0, i2);
System.arraycopy(this.data, 0, iArr2, i2, i);
this.headIndex = 0;
this.tailIndex = this.size - 1;
this.data = iArr2;
this.wrapAroundMask = iArr2.length - 1;
}
}