Daniel Elliott
f9d20bb3fc
- 28,932 files - Full Java source code - Smali files - Resources Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
215 lines
8.0 KiB
Java
215 lines
8.0 KiB
Java
package com.mbridge.msdk.playercommon.exoplayer2.util;
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import com.applovin.exoplayer2.common.base.Ascii;
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import java.nio.ByteBuffer;
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import java.util.Arrays;
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/* loaded from: classes4.dex */
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public final class NalUnitUtil {
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public static final int EXTENDED_SAR = 255;
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private static final int H264_NAL_UNIT_TYPE_SEI = 6;
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private static final int H264_NAL_UNIT_TYPE_SPS = 7;
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private static final int H265_NAL_UNIT_TYPE_PREFIX_SEI = 39;
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private static final String TAG = "NalUnitUtil";
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public static final byte[] NAL_START_CODE = {0, 0, 0, 1};
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public static final float[] ASPECT_RATIO_IDC_VALUES = {1.0f, 1.0f, 1.0909091f, 0.90909094f, 1.4545455f, 1.2121212f, 2.1818182f, 1.8181819f, 2.909091f, 2.4242425f, 1.6363636f, 1.3636364f, 1.939394f, 1.6161616f, 1.3333334f, 1.5f, 2.0f};
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private static final Object scratchEscapePositionsLock = new Object();
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private static int[] scratchEscapePositions = new int[10];
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public static final class SpsData {
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public final boolean deltaPicOrderAlwaysZeroFlag;
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public final boolean frameMbsOnlyFlag;
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public final int frameNumLength;
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public final int height;
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public final int picOrderCntLsbLength;
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public final int picOrderCountType;
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public final float pixelWidthAspectRatio;
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public final boolean separateColorPlaneFlag;
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public final int seqParameterSetId;
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public final int width;
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public SpsData(int i, int i2, int i3, float f, boolean z, boolean z2, int i4, int i5, int i6, boolean z3) {
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this.seqParameterSetId = i;
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this.width = i2;
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this.height = i3;
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this.pixelWidthAspectRatio = f;
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this.separateColorPlaneFlag = z;
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this.frameMbsOnlyFlag = z2;
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this.frameNumLength = i4;
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this.picOrderCountType = i5;
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this.picOrderCntLsbLength = i6;
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this.deltaPicOrderAlwaysZeroFlag = z3;
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}
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}
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public static final class PpsData {
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public final boolean bottomFieldPicOrderInFramePresentFlag;
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public final int picParameterSetId;
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public final int seqParameterSetId;
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public PpsData(int i, int i2, boolean z) {
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this.picParameterSetId = i;
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this.seqParameterSetId = i2;
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this.bottomFieldPicOrderInFramePresentFlag = z;
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}
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}
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public static int unescapeStream(byte[] bArr, int i) {
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int i2;
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synchronized (scratchEscapePositionsLock) {
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int i3 = 0;
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int i4 = 0;
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while (i3 < i) {
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try {
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i3 = findNextUnescapeIndex(bArr, i3, i);
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if (i3 < i) {
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int[] iArr = scratchEscapePositions;
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if (iArr.length <= i4) {
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scratchEscapePositions = Arrays.copyOf(iArr, iArr.length * 2);
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}
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scratchEscapePositions[i4] = i3;
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i3 += 3;
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i4++;
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}
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} catch (Throwable th) {
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throw th;
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}
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}
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i2 = i - i4;
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int i5 = 0;
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int i6 = 0;
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for (int i7 = 0; i7 < i4; i7++) {
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int i8 = scratchEscapePositions[i7] - i6;
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System.arraycopy(bArr, i6, bArr, i5, i8);
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int i9 = i5 + i8;
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int i10 = i9 + 1;
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bArr[i9] = 0;
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i5 = i9 + 2;
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bArr[i10] = 0;
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i6 += i8 + 3;
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}
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System.arraycopy(bArr, i6, bArr, i5, i2 - i5);
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}
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return i2;
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}
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public static void discardToSps(ByteBuffer byteBuffer) {
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int position = byteBuffer.position();
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int i = 0;
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int i2 = 0;
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while (true) {
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int i3 = i + 1;
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if (i3 < position) {
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int i4 = byteBuffer.get(i) & 255;
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if (i2 == 3) {
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if (i4 == 1 && (byteBuffer.get(i3) & Ascii.US) == 7) {
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ByteBuffer duplicate = byteBuffer.duplicate();
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duplicate.position(i - 3);
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duplicate.limit(position);
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byteBuffer.position(0);
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byteBuffer.put(duplicate);
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return;
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}
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} else if (i4 == 0) {
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i2++;
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}
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if (i4 != 0) {
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i2 = 0;
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}
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i = i3;
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} else {
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byteBuffer.clear();
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return;
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}
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}
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}
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public static boolean isNalUnitSei(String str, byte b) {
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if ("video/avc".equals(str) && (b & Ascii.US) == 6) {
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return true;
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}
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return "video/hevc".equals(str) && ((b & 126) >> 1) == 39;
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}
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public static int getNalUnitType(byte[] bArr, int i) {
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return bArr[i + 3] & Ascii.US;
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}
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public static int getH265NalUnitType(byte[] bArr, int i) {
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return (bArr[i + 3] & 126) >> 1;
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}
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/* JADX WARN: Removed duplicated region for block: B:28:0x00d9 */
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/* JADX WARN: Removed duplicated region for block: B:31:0x00e7 */
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/* JADX WARN: Removed duplicated region for block: B:48:0x012d */
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/* JADX WARN: Removed duplicated region for block: B:52:0x013f */
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/*
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Code decompiled incorrectly, please refer to instructions dump.
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To view partially-correct add '--show-bad-code' argument
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*/
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public static com.mbridge.msdk.playercommon.exoplayer2.util.NalUnitUtil.SpsData parseSpsNalUnit(byte[] r19, int r20, int r21) {
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/*
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Method dump skipped, instructions count: 360
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To view this dump add '--comments-level debug' option
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*/
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throw new UnsupportedOperationException("Method not decompiled: com.mbridge.msdk.playercommon.exoplayer2.util.NalUnitUtil.parseSpsNalUnit(byte[], int, int):com.mbridge.msdk.playercommon.exoplayer2.util.NalUnitUtil$SpsData");
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}
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public static PpsData parsePpsNalUnit(byte[] bArr, int i, int i2) {
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ParsableNalUnitBitArray parsableNalUnitBitArray = new ParsableNalUnitBitArray(bArr, i, i2);
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parsableNalUnitBitArray.skipBits(8);
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int readUnsignedExpGolombCodedInt = parsableNalUnitBitArray.readUnsignedExpGolombCodedInt();
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int readUnsignedExpGolombCodedInt2 = parsableNalUnitBitArray.readUnsignedExpGolombCodedInt();
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parsableNalUnitBitArray.skipBit();
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return new PpsData(readUnsignedExpGolombCodedInt, readUnsignedExpGolombCodedInt2, parsableNalUnitBitArray.readBit());
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}
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/* JADX WARN: Code restructure failed: missing block: B:56:0x0079, code lost:
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r9 = true;
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*/
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/*
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Code decompiled incorrectly, please refer to instructions dump.
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To view partially-correct add '--show-bad-code' argument
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*/
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public static int findNalUnit(byte[] r8, int r9, int r10, boolean[] r11) {
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/*
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Method dump skipped, instructions count: 188
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To view this dump add '--comments-level debug' option
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*/
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throw new UnsupportedOperationException("Method not decompiled: com.mbridge.msdk.playercommon.exoplayer2.util.NalUnitUtil.findNalUnit(byte[], int, int, boolean[]):int");
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}
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public static void clearPrefixFlags(boolean[] zArr) {
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zArr[0] = false;
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zArr[1] = false;
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zArr[2] = false;
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}
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private static int findNextUnescapeIndex(byte[] bArr, int i, int i2) {
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while (i < i2 - 2) {
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if (bArr[i] == 0 && bArr[i + 1] == 0 && bArr[i + 2] == 3) {
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return i;
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}
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i++;
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}
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return i2;
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}
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private static void skipScalingList(ParsableNalUnitBitArray parsableNalUnitBitArray, int i) {
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int i2 = 8;
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int i3 = 8;
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for (int i4 = 0; i4 < i; i4++) {
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if (i2 != 0) {
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i2 = ((parsableNalUnitBitArray.readSignedExpGolombCodedInt() + i3) + 256) % 256;
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}
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if (i2 != 0) {
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i3 = i2;
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}
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}
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}
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private NalUnitUtil() {
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}
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}
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