mirror of
https://github.com/Pinball3D/Rabbit-R1.git
synced 2024-12-27 01:22:33 -06:00
309 lines
13 KiB
Java
309 lines
13 KiB
Java
package com.google.android.exoplayer2.source;
|
|
|
|
import com.google.android.exoplayer2.decoder.CryptoInfo;
|
|
import com.google.android.exoplayer2.decoder.DecoderInputBuffer;
|
|
import com.google.android.exoplayer2.extractor.TrackOutput;
|
|
import com.google.android.exoplayer2.source.SampleQueue;
|
|
import com.google.android.exoplayer2.upstream.Allocation;
|
|
import com.google.android.exoplayer2.upstream.Allocator;
|
|
import com.google.android.exoplayer2.upstream.DataReader;
|
|
import com.google.android.exoplayer2.util.Assertions;
|
|
import com.google.android.exoplayer2.util.ParsableByteArray;
|
|
import com.google.android.exoplayer2.util.Util;
|
|
import java.io.EOFException;
|
|
import java.io.IOException;
|
|
import java.nio.ByteBuffer;
|
|
import java.util.Arrays;
|
|
|
|
/* JADX INFO: Access modifiers changed from: package-private */
|
|
/* loaded from: classes2.dex */
|
|
public class SampleDataQueue {
|
|
private static final int INITIAL_SCRATCH_SIZE = 32;
|
|
private final int allocationLength;
|
|
private final Allocator allocator;
|
|
private AllocationNode firstAllocationNode;
|
|
private AllocationNode readAllocationNode;
|
|
private final ParsableByteArray scratch;
|
|
private long totalBytesWritten;
|
|
private AllocationNode writeAllocationNode;
|
|
|
|
public long getTotalBytesWritten() {
|
|
return this.totalBytesWritten;
|
|
}
|
|
|
|
public void rewind() {
|
|
this.readAllocationNode = this.firstAllocationNode;
|
|
}
|
|
|
|
public SampleDataQueue(Allocator allocator) {
|
|
this.allocator = allocator;
|
|
int individualAllocationLength = allocator.getIndividualAllocationLength();
|
|
this.allocationLength = individualAllocationLength;
|
|
this.scratch = new ParsableByteArray(32);
|
|
AllocationNode allocationNode = new AllocationNode(0L, individualAllocationLength);
|
|
this.firstAllocationNode = allocationNode;
|
|
this.readAllocationNode = allocationNode;
|
|
this.writeAllocationNode = allocationNode;
|
|
}
|
|
|
|
public void reset() {
|
|
clearAllocationNodes(this.firstAllocationNode);
|
|
this.firstAllocationNode.reset(0L, this.allocationLength);
|
|
AllocationNode allocationNode = this.firstAllocationNode;
|
|
this.readAllocationNode = allocationNode;
|
|
this.writeAllocationNode = allocationNode;
|
|
this.totalBytesWritten = 0L;
|
|
this.allocator.trim();
|
|
}
|
|
|
|
public void discardUpstreamSampleBytes(long j) {
|
|
Assertions.checkArgument(j <= this.totalBytesWritten);
|
|
this.totalBytesWritten = j;
|
|
if (j == 0 || j == this.firstAllocationNode.startPosition) {
|
|
clearAllocationNodes(this.firstAllocationNode);
|
|
AllocationNode allocationNode = new AllocationNode(this.totalBytesWritten, this.allocationLength);
|
|
this.firstAllocationNode = allocationNode;
|
|
this.readAllocationNode = allocationNode;
|
|
this.writeAllocationNode = allocationNode;
|
|
return;
|
|
}
|
|
AllocationNode allocationNode2 = this.firstAllocationNode;
|
|
while (this.totalBytesWritten > allocationNode2.endPosition) {
|
|
allocationNode2 = allocationNode2.next;
|
|
}
|
|
AllocationNode allocationNode3 = (AllocationNode) Assertions.checkNotNull(allocationNode2.next);
|
|
clearAllocationNodes(allocationNode3);
|
|
allocationNode2.next = new AllocationNode(allocationNode2.endPosition, this.allocationLength);
|
|
this.writeAllocationNode = this.totalBytesWritten == allocationNode2.endPosition ? allocationNode2.next : allocationNode2;
|
|
if (this.readAllocationNode == allocationNode3) {
|
|
this.readAllocationNode = allocationNode2.next;
|
|
}
|
|
}
|
|
|
|
public void readToBuffer(DecoderInputBuffer decoderInputBuffer, SampleQueue.SampleExtrasHolder sampleExtrasHolder) {
|
|
this.readAllocationNode = readSampleData(this.readAllocationNode, decoderInputBuffer, sampleExtrasHolder, this.scratch);
|
|
}
|
|
|
|
public void peekToBuffer(DecoderInputBuffer decoderInputBuffer, SampleQueue.SampleExtrasHolder sampleExtrasHolder) {
|
|
readSampleData(this.readAllocationNode, decoderInputBuffer, sampleExtrasHolder, this.scratch);
|
|
}
|
|
|
|
public void discardDownstreamTo(long j) {
|
|
if (j == -1) {
|
|
return;
|
|
}
|
|
while (j >= this.firstAllocationNode.endPosition) {
|
|
this.allocator.release(this.firstAllocationNode.allocation);
|
|
this.firstAllocationNode = this.firstAllocationNode.clear();
|
|
}
|
|
if (this.readAllocationNode.startPosition < this.firstAllocationNode.startPosition) {
|
|
this.readAllocationNode = this.firstAllocationNode;
|
|
}
|
|
}
|
|
|
|
public int sampleData(DataReader dataReader, int i, boolean z) throws IOException {
|
|
int read = dataReader.read(this.writeAllocationNode.allocation.data, this.writeAllocationNode.translateOffset(this.totalBytesWritten), preAppend(i));
|
|
if (read != -1) {
|
|
postAppend(read);
|
|
return read;
|
|
}
|
|
if (z) {
|
|
return -1;
|
|
}
|
|
throw new EOFException();
|
|
}
|
|
|
|
public void sampleData(ParsableByteArray parsableByteArray, int i) {
|
|
while (i > 0) {
|
|
int preAppend = preAppend(i);
|
|
parsableByteArray.readBytes(this.writeAllocationNode.allocation.data, this.writeAllocationNode.translateOffset(this.totalBytesWritten), preAppend);
|
|
i -= preAppend;
|
|
postAppend(preAppend);
|
|
}
|
|
}
|
|
|
|
private void clearAllocationNodes(AllocationNode allocationNode) {
|
|
if (allocationNode.allocation == null) {
|
|
return;
|
|
}
|
|
this.allocator.release(allocationNode);
|
|
allocationNode.clear();
|
|
}
|
|
|
|
private int preAppend(int i) {
|
|
if (this.writeAllocationNode.allocation == null) {
|
|
this.writeAllocationNode.initialize(this.allocator.allocate(), new AllocationNode(this.writeAllocationNode.endPosition, this.allocationLength));
|
|
}
|
|
return Math.min(i, (int) (this.writeAllocationNode.endPosition - this.totalBytesWritten));
|
|
}
|
|
|
|
private void postAppend(int i) {
|
|
long j = this.totalBytesWritten + i;
|
|
this.totalBytesWritten = j;
|
|
if (j == this.writeAllocationNode.endPosition) {
|
|
this.writeAllocationNode = this.writeAllocationNode.next;
|
|
}
|
|
}
|
|
|
|
private static AllocationNode readSampleData(AllocationNode allocationNode, DecoderInputBuffer decoderInputBuffer, SampleQueue.SampleExtrasHolder sampleExtrasHolder, ParsableByteArray parsableByteArray) {
|
|
if (decoderInputBuffer.isEncrypted()) {
|
|
allocationNode = readEncryptionData(allocationNode, decoderInputBuffer, sampleExtrasHolder, parsableByteArray);
|
|
}
|
|
if (decoderInputBuffer.hasSupplementalData()) {
|
|
parsableByteArray.reset(4);
|
|
AllocationNode readData = readData(allocationNode, sampleExtrasHolder.offset, parsableByteArray.getData(), 4);
|
|
int readUnsignedIntToInt = parsableByteArray.readUnsignedIntToInt();
|
|
sampleExtrasHolder.offset += 4;
|
|
sampleExtrasHolder.size -= 4;
|
|
decoderInputBuffer.ensureSpaceForWrite(readUnsignedIntToInt);
|
|
AllocationNode readData2 = readData(readData, sampleExtrasHolder.offset, decoderInputBuffer.data, readUnsignedIntToInt);
|
|
sampleExtrasHolder.offset += readUnsignedIntToInt;
|
|
sampleExtrasHolder.size -= readUnsignedIntToInt;
|
|
decoderInputBuffer.resetSupplementalData(sampleExtrasHolder.size);
|
|
return readData(readData2, sampleExtrasHolder.offset, decoderInputBuffer.supplementalData, sampleExtrasHolder.size);
|
|
}
|
|
decoderInputBuffer.ensureSpaceForWrite(sampleExtrasHolder.size);
|
|
return readData(allocationNode, sampleExtrasHolder.offset, decoderInputBuffer.data, sampleExtrasHolder.size);
|
|
}
|
|
|
|
private static AllocationNode readEncryptionData(AllocationNode allocationNode, DecoderInputBuffer decoderInputBuffer, SampleQueue.SampleExtrasHolder sampleExtrasHolder, ParsableByteArray parsableByteArray) {
|
|
long j = sampleExtrasHolder.offset;
|
|
int i = 1;
|
|
parsableByteArray.reset(1);
|
|
AllocationNode readData = readData(allocationNode, j, parsableByteArray.getData(), 1);
|
|
long j2 = j + 1;
|
|
byte b = parsableByteArray.getData()[0];
|
|
boolean z = (b & 128) != 0;
|
|
int i2 = b & Byte.MAX_VALUE;
|
|
CryptoInfo cryptoInfo = decoderInputBuffer.cryptoInfo;
|
|
if (cryptoInfo.iv == null) {
|
|
cryptoInfo.iv = new byte[16];
|
|
} else {
|
|
Arrays.fill(cryptoInfo.iv, (byte) 0);
|
|
}
|
|
AllocationNode readData2 = readData(readData, j2, cryptoInfo.iv, i2);
|
|
long j3 = j2 + i2;
|
|
if (z) {
|
|
parsableByteArray.reset(2);
|
|
readData2 = readData(readData2, j3, parsableByteArray.getData(), 2);
|
|
j3 += 2;
|
|
i = parsableByteArray.readUnsignedShort();
|
|
}
|
|
int i3 = i;
|
|
int[] iArr = cryptoInfo.numBytesOfClearData;
|
|
if (iArr == null || iArr.length < i3) {
|
|
iArr = new int[i3];
|
|
}
|
|
int[] iArr2 = iArr;
|
|
int[] iArr3 = cryptoInfo.numBytesOfEncryptedData;
|
|
if (iArr3 == null || iArr3.length < i3) {
|
|
iArr3 = new int[i3];
|
|
}
|
|
int[] iArr4 = iArr3;
|
|
if (z) {
|
|
int i4 = i3 * 6;
|
|
parsableByteArray.reset(i4);
|
|
readData2 = readData(readData2, j3, parsableByteArray.getData(), i4);
|
|
j3 += i4;
|
|
parsableByteArray.setPosition(0);
|
|
for (int i5 = 0; i5 < i3; i5++) {
|
|
iArr2[i5] = parsableByteArray.readUnsignedShort();
|
|
iArr4[i5] = parsableByteArray.readUnsignedIntToInt();
|
|
}
|
|
} else {
|
|
iArr2[0] = 0;
|
|
iArr4[0] = sampleExtrasHolder.size - ((int) (j3 - sampleExtrasHolder.offset));
|
|
}
|
|
TrackOutput.CryptoData cryptoData = (TrackOutput.CryptoData) Util.castNonNull(sampleExtrasHolder.cryptoData);
|
|
cryptoInfo.set(i3, iArr2, iArr4, cryptoData.encryptionKey, cryptoInfo.iv, cryptoData.cryptoMode, cryptoData.encryptedBlocks, cryptoData.clearBlocks);
|
|
int i6 = (int) (j3 - sampleExtrasHolder.offset);
|
|
sampleExtrasHolder.offset += i6;
|
|
sampleExtrasHolder.size -= i6;
|
|
return readData2;
|
|
}
|
|
|
|
private static AllocationNode readData(AllocationNode allocationNode, long j, ByteBuffer byteBuffer, int i) {
|
|
AllocationNode nodeContainingPosition = getNodeContainingPosition(allocationNode, j);
|
|
while (i > 0) {
|
|
int min = Math.min(i, (int) (nodeContainingPosition.endPosition - j));
|
|
byteBuffer.put(nodeContainingPosition.allocation.data, nodeContainingPosition.translateOffset(j), min);
|
|
i -= min;
|
|
j += min;
|
|
if (j == nodeContainingPosition.endPosition) {
|
|
nodeContainingPosition = nodeContainingPosition.next;
|
|
}
|
|
}
|
|
return nodeContainingPosition;
|
|
}
|
|
|
|
private static AllocationNode readData(AllocationNode allocationNode, long j, byte[] bArr, int i) {
|
|
AllocationNode nodeContainingPosition = getNodeContainingPosition(allocationNode, j);
|
|
int i2 = i;
|
|
while (i2 > 0) {
|
|
int min = Math.min(i2, (int) (nodeContainingPosition.endPosition - j));
|
|
System.arraycopy(nodeContainingPosition.allocation.data, nodeContainingPosition.translateOffset(j), bArr, i - i2, min);
|
|
i2 -= min;
|
|
j += min;
|
|
if (j == nodeContainingPosition.endPosition) {
|
|
nodeContainingPosition = nodeContainingPosition.next;
|
|
}
|
|
}
|
|
return nodeContainingPosition;
|
|
}
|
|
|
|
private static AllocationNode getNodeContainingPosition(AllocationNode allocationNode, long j) {
|
|
while (j >= allocationNode.endPosition) {
|
|
allocationNode = allocationNode.next;
|
|
}
|
|
return allocationNode;
|
|
}
|
|
|
|
/* JADX INFO: Access modifiers changed from: private */
|
|
/* loaded from: classes2.dex */
|
|
public static final class AllocationNode implements Allocator.AllocationNode {
|
|
public Allocation allocation;
|
|
public long endPosition;
|
|
public AllocationNode next;
|
|
public long startPosition;
|
|
|
|
public AllocationNode clear() {
|
|
this.allocation = null;
|
|
AllocationNode allocationNode = this.next;
|
|
this.next = null;
|
|
return allocationNode;
|
|
}
|
|
|
|
public void initialize(Allocation allocation, AllocationNode allocationNode) {
|
|
this.allocation = allocation;
|
|
this.next = allocationNode;
|
|
}
|
|
|
|
public AllocationNode(long j, int i) {
|
|
reset(j, i);
|
|
}
|
|
|
|
public void reset(long j, int i) {
|
|
Assertions.checkState(this.allocation == null);
|
|
this.startPosition = j;
|
|
this.endPosition = j + i;
|
|
}
|
|
|
|
public int translateOffset(long j) {
|
|
return ((int) (j - this.startPosition)) + this.allocation.offset;
|
|
}
|
|
|
|
@Override // com.google.android.exoplayer2.upstream.Allocator.AllocationNode
|
|
public Allocation getAllocation() {
|
|
return (Allocation) Assertions.checkNotNull(this.allocation);
|
|
}
|
|
|
|
@Override // com.google.android.exoplayer2.upstream.Allocator.AllocationNode
|
|
public Allocator.AllocationNode next() {
|
|
AllocationNode allocationNode = this.next;
|
|
if (allocationNode == null || allocationNode.allocation == null) {
|
|
return null;
|
|
}
|
|
return allocationNode;
|
|
}
|
|
}
|
|
}
|