mirror of
https://github.com/Pinball3D/Rabbit-R1.git
synced 2024-12-26 09:02:34 -06:00
309 lines
13 KiB
Java
309 lines
13 KiB
Java
package androidx.media3.exoplayer.source;
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import androidx.media3.common.DataReader;
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import androidx.media3.common.util.Assertions;
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import androidx.media3.common.util.ParsableByteArray;
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import androidx.media3.common.util.Util;
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import androidx.media3.decoder.CryptoInfo;
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import androidx.media3.decoder.DecoderInputBuffer;
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import androidx.media3.exoplayer.source.SampleQueue;
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import androidx.media3.exoplayer.upstream.Allocation;
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import androidx.media3.exoplayer.upstream.Allocator;
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import androidx.media3.extractor.TrackOutput;
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import java.io.EOFException;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import java.util.Arrays;
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/* JADX INFO: Access modifiers changed from: package-private */
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/* loaded from: classes2.dex */
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public class SampleDataQueue {
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private static final int INITIAL_SCRATCH_SIZE = 32;
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private final int allocationLength;
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private final Allocator allocator;
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private AllocationNode firstAllocationNode;
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private AllocationNode readAllocationNode;
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private final ParsableByteArray scratch;
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private long totalBytesWritten;
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private AllocationNode writeAllocationNode;
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public long getTotalBytesWritten() {
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return this.totalBytesWritten;
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}
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public void rewind() {
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this.readAllocationNode = this.firstAllocationNode;
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}
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public SampleDataQueue(Allocator allocator) {
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this.allocator = allocator;
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int individualAllocationLength = allocator.getIndividualAllocationLength();
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this.allocationLength = individualAllocationLength;
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this.scratch = new ParsableByteArray(32);
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AllocationNode allocationNode = new AllocationNode(0L, individualAllocationLength);
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this.firstAllocationNode = allocationNode;
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this.readAllocationNode = allocationNode;
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this.writeAllocationNode = allocationNode;
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}
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public void reset() {
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clearAllocationNodes(this.firstAllocationNode);
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this.firstAllocationNode.reset(0L, this.allocationLength);
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AllocationNode allocationNode = this.firstAllocationNode;
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this.readAllocationNode = allocationNode;
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this.writeAllocationNode = allocationNode;
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this.totalBytesWritten = 0L;
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this.allocator.trim();
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}
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public void discardUpstreamSampleBytes(long j) {
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Assertions.checkArgument(j <= this.totalBytesWritten);
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this.totalBytesWritten = j;
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if (j == 0 || j == this.firstAllocationNode.startPosition) {
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clearAllocationNodes(this.firstAllocationNode);
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AllocationNode allocationNode = new AllocationNode(this.totalBytesWritten, this.allocationLength);
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this.firstAllocationNode = allocationNode;
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this.readAllocationNode = allocationNode;
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this.writeAllocationNode = allocationNode;
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return;
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}
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AllocationNode allocationNode2 = this.firstAllocationNode;
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while (this.totalBytesWritten > allocationNode2.endPosition) {
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allocationNode2 = allocationNode2.next;
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}
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AllocationNode allocationNode3 = (AllocationNode) Assertions.checkNotNull(allocationNode2.next);
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clearAllocationNodes(allocationNode3);
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allocationNode2.next = new AllocationNode(allocationNode2.endPosition, this.allocationLength);
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this.writeAllocationNode = this.totalBytesWritten == allocationNode2.endPosition ? allocationNode2.next : allocationNode2;
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if (this.readAllocationNode == allocationNode3) {
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this.readAllocationNode = allocationNode2.next;
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}
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}
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public void readToBuffer(DecoderInputBuffer decoderInputBuffer, SampleQueue.SampleExtrasHolder sampleExtrasHolder) {
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this.readAllocationNode = readSampleData(this.readAllocationNode, decoderInputBuffer, sampleExtrasHolder, this.scratch);
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}
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public void peekToBuffer(DecoderInputBuffer decoderInputBuffer, SampleQueue.SampleExtrasHolder sampleExtrasHolder) {
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readSampleData(this.readAllocationNode, decoderInputBuffer, sampleExtrasHolder, this.scratch);
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}
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public void discardDownstreamTo(long j) {
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if (j == -1) {
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return;
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}
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while (j >= this.firstAllocationNode.endPosition) {
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this.allocator.release(this.firstAllocationNode.allocation);
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this.firstAllocationNode = this.firstAllocationNode.clear();
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}
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if (this.readAllocationNode.startPosition < this.firstAllocationNode.startPosition) {
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this.readAllocationNode = this.firstAllocationNode;
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}
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}
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public int sampleData(DataReader dataReader, int i, boolean z) throws IOException {
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int read = dataReader.read(this.writeAllocationNode.allocation.data, this.writeAllocationNode.translateOffset(this.totalBytesWritten), preAppend(i));
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if (read != -1) {
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postAppend(read);
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return read;
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}
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if (z) {
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return -1;
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}
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throw new EOFException();
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}
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public void sampleData(ParsableByteArray parsableByteArray, int i) {
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while (i > 0) {
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int preAppend = preAppend(i);
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parsableByteArray.readBytes(this.writeAllocationNode.allocation.data, this.writeAllocationNode.translateOffset(this.totalBytesWritten), preAppend);
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i -= preAppend;
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postAppend(preAppend);
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}
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}
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private void clearAllocationNodes(AllocationNode allocationNode) {
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if (allocationNode.allocation == null) {
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return;
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}
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this.allocator.release(allocationNode);
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allocationNode.clear();
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}
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private int preAppend(int i) {
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if (this.writeAllocationNode.allocation == null) {
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this.writeAllocationNode.initialize(this.allocator.allocate(), new AllocationNode(this.writeAllocationNode.endPosition, this.allocationLength));
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}
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return Math.min(i, (int) (this.writeAllocationNode.endPosition - this.totalBytesWritten));
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}
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private void postAppend(int i) {
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long j = this.totalBytesWritten + i;
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this.totalBytesWritten = j;
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if (j == this.writeAllocationNode.endPosition) {
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this.writeAllocationNode = this.writeAllocationNode.next;
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}
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}
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private static AllocationNode readSampleData(AllocationNode allocationNode, DecoderInputBuffer decoderInputBuffer, SampleQueue.SampleExtrasHolder sampleExtrasHolder, ParsableByteArray parsableByteArray) {
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if (decoderInputBuffer.isEncrypted()) {
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allocationNode = readEncryptionData(allocationNode, decoderInputBuffer, sampleExtrasHolder, parsableByteArray);
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}
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if (decoderInputBuffer.hasSupplementalData()) {
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parsableByteArray.reset(4);
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AllocationNode readData = readData(allocationNode, sampleExtrasHolder.offset, parsableByteArray.getData(), 4);
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int readUnsignedIntToInt = parsableByteArray.readUnsignedIntToInt();
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sampleExtrasHolder.offset += 4;
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sampleExtrasHolder.size -= 4;
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decoderInputBuffer.ensureSpaceForWrite(readUnsignedIntToInt);
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AllocationNode readData2 = readData(readData, sampleExtrasHolder.offset, decoderInputBuffer.data, readUnsignedIntToInt);
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sampleExtrasHolder.offset += readUnsignedIntToInt;
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sampleExtrasHolder.size -= readUnsignedIntToInt;
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decoderInputBuffer.resetSupplementalData(sampleExtrasHolder.size);
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return readData(readData2, sampleExtrasHolder.offset, decoderInputBuffer.supplementalData, sampleExtrasHolder.size);
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}
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decoderInputBuffer.ensureSpaceForWrite(sampleExtrasHolder.size);
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return readData(allocationNode, sampleExtrasHolder.offset, decoderInputBuffer.data, sampleExtrasHolder.size);
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}
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private static AllocationNode readEncryptionData(AllocationNode allocationNode, DecoderInputBuffer decoderInputBuffer, SampleQueue.SampleExtrasHolder sampleExtrasHolder, ParsableByteArray parsableByteArray) {
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long j = sampleExtrasHolder.offset;
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int i = 1;
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parsableByteArray.reset(1);
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AllocationNode readData = readData(allocationNode, j, parsableByteArray.getData(), 1);
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long j2 = j + 1;
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byte b = parsableByteArray.getData()[0];
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boolean z = (b & 128) != 0;
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int i2 = b & Byte.MAX_VALUE;
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CryptoInfo cryptoInfo = decoderInputBuffer.cryptoInfo;
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if (cryptoInfo.iv == null) {
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cryptoInfo.iv = new byte[16];
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} else {
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Arrays.fill(cryptoInfo.iv, (byte) 0);
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}
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AllocationNode readData2 = readData(readData, j2, cryptoInfo.iv, i2);
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long j3 = j2 + i2;
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if (z) {
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parsableByteArray.reset(2);
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readData2 = readData(readData2, j3, parsableByteArray.getData(), 2);
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j3 += 2;
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i = parsableByteArray.readUnsignedShort();
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}
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int i3 = i;
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int[] iArr = cryptoInfo.numBytesOfClearData;
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if (iArr == null || iArr.length < i3) {
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iArr = new int[i3];
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}
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int[] iArr2 = iArr;
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int[] iArr3 = cryptoInfo.numBytesOfEncryptedData;
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if (iArr3 == null || iArr3.length < i3) {
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iArr3 = new int[i3];
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}
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int[] iArr4 = iArr3;
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if (z) {
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int i4 = i3 * 6;
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parsableByteArray.reset(i4);
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readData2 = readData(readData2, j3, parsableByteArray.getData(), i4);
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j3 += i4;
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parsableByteArray.setPosition(0);
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for (int i5 = 0; i5 < i3; i5++) {
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iArr2[i5] = parsableByteArray.readUnsignedShort();
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iArr4[i5] = parsableByteArray.readUnsignedIntToInt();
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}
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} else {
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iArr2[0] = 0;
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iArr4[0] = sampleExtrasHolder.size - ((int) (j3 - sampleExtrasHolder.offset));
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}
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TrackOutput.CryptoData cryptoData = (TrackOutput.CryptoData) Util.castNonNull(sampleExtrasHolder.cryptoData);
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cryptoInfo.set(i3, iArr2, iArr4, cryptoData.encryptionKey, cryptoInfo.iv, cryptoData.cryptoMode, cryptoData.encryptedBlocks, cryptoData.clearBlocks);
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int i6 = (int) (j3 - sampleExtrasHolder.offset);
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sampleExtrasHolder.offset += i6;
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sampleExtrasHolder.size -= i6;
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return readData2;
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}
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private static AllocationNode readData(AllocationNode allocationNode, long j, ByteBuffer byteBuffer, int i) {
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AllocationNode nodeContainingPosition = getNodeContainingPosition(allocationNode, j);
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while (i > 0) {
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int min = Math.min(i, (int) (nodeContainingPosition.endPosition - j));
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byteBuffer.put(nodeContainingPosition.allocation.data, nodeContainingPosition.translateOffset(j), min);
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i -= min;
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j += min;
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if (j == nodeContainingPosition.endPosition) {
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nodeContainingPosition = nodeContainingPosition.next;
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}
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}
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return nodeContainingPosition;
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}
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private static AllocationNode readData(AllocationNode allocationNode, long j, byte[] bArr, int i) {
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AllocationNode nodeContainingPosition = getNodeContainingPosition(allocationNode, j);
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int i2 = i;
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while (i2 > 0) {
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int min = Math.min(i2, (int) (nodeContainingPosition.endPosition - j));
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System.arraycopy(nodeContainingPosition.allocation.data, nodeContainingPosition.translateOffset(j), bArr, i - i2, min);
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i2 -= min;
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j += min;
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if (j == nodeContainingPosition.endPosition) {
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nodeContainingPosition = nodeContainingPosition.next;
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}
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}
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return nodeContainingPosition;
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}
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private static AllocationNode getNodeContainingPosition(AllocationNode allocationNode, long j) {
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while (j >= allocationNode.endPosition) {
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allocationNode = allocationNode.next;
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}
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return allocationNode;
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}
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/* JADX INFO: Access modifiers changed from: private */
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/* loaded from: classes2.dex */
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public static final class AllocationNode implements Allocator.AllocationNode {
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public Allocation allocation;
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public long endPosition;
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public AllocationNode next;
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public long startPosition;
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public AllocationNode clear() {
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this.allocation = null;
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AllocationNode allocationNode = this.next;
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this.next = null;
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return allocationNode;
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}
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public void initialize(Allocation allocation, AllocationNode allocationNode) {
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this.allocation = allocation;
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this.next = allocationNode;
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}
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public AllocationNode(long j, int i) {
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reset(j, i);
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}
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public void reset(long j, int i) {
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Assertions.checkState(this.allocation == null);
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this.startPosition = j;
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this.endPosition = j + i;
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}
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public int translateOffset(long j) {
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return ((int) (j - this.startPosition)) + this.allocation.offset;
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}
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@Override // androidx.media3.exoplayer.upstream.Allocator.AllocationNode
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public Allocation getAllocation() {
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return (Allocation) Assertions.checkNotNull(this.allocation);
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}
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@Override // androidx.media3.exoplayer.upstream.Allocator.AllocationNode
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public Allocator.AllocationNode next() {
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AllocationNode allocationNode = this.next;
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if (allocationNode == null || allocationNode.allocation == null) {
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return null;
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}
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return allocationNode;
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}
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}
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}
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