mirror of
https://github.com/Pinball3D/Rabbit-R1.git
synced 2024-12-27 09:32:27 -06:00
211 lines
6.8 KiB
Java
211 lines
6.8 KiB
Java
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package androidx.media3.extractor;
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import androidx.media3.common.DrmInitData;
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import androidx.media3.common.Format;
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import androidx.media3.common.util.ParsableBitArray;
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import androidx.media3.common.util.ParsableByteArray;
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import com.google.common.primitives.SignedBytes;
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import java.nio.ByteBuffer;
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/* loaded from: classes2.dex */
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public final class Ac4Util {
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public static final int AC40_SYNCWORD = 44096;
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public static final int AC41_SYNCWORD = 44097;
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private static final int CHANNEL_COUNT_2 = 2;
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public static final int HEADER_SIZE_FOR_PARSER = 16;
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public static final int MAX_RATE_BYTES_PER_SECOND = 336000;
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private static final int[] SAMPLE_COUNT = {2002, 2000, 1920, 1601, 1600, 1001, 1000, 960, 800, 800, 480, 400, 400, 2048};
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public static final int SAMPLE_HEADER_SIZE = 7;
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/* loaded from: classes2.dex */
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public static final class SyncFrameInfo {
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public final int bitstreamVersion;
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public final int channelCount;
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public final int frameSize;
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public final int sampleCount;
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public final int sampleRate;
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private SyncFrameInfo(int i, int i2, int i3, int i4, int i5) {
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this.bitstreamVersion = i;
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this.channelCount = i2;
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this.sampleRate = i3;
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this.frameSize = i4;
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this.sampleCount = i5;
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}
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}
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public static Format parseAc4AnnexEFormat(ParsableByteArray parsableByteArray, String str, String str2, DrmInitData drmInitData) {
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parsableByteArray.skipBytes(1);
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return new Format.Builder().setId(str).setSampleMimeType("audio/ac4").setChannelCount(2).setSampleRate(((parsableByteArray.readUnsignedByte() & 32) >> 5) == 1 ? 48000 : 44100).setDrmInitData(drmInitData).setLanguage(str2).build();
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}
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/* JADX WARN: Code restructure failed: missing block: B:37:0x0080, code lost:
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if (r11 != 11) goto L46;
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*/
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/* JADX WARN: Code restructure failed: missing block: B:41:0x0085, code lost:
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if (r11 != 11) goto L46;
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*/
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/* JADX WARN: Code restructure failed: missing block: B:43:0x008a, code lost:
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if (r11 != 8) goto L46;
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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 androidx.media3.extractor.Ac4Util.SyncFrameInfo parseAc4SyncframeInfo(androidx.media3.common.util.ParsableBitArray r11) {
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/*
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r0 = 16
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int r1 = r11.readBits(r0)
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int r0 = r11.readBits(r0)
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r2 = 65535(0xffff, float:9.1834E-41)
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r3 = 4
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if (r0 != r2) goto L18
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r0 = 24
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int r0 = r11.readBits(r0)
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r2 = 7
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goto L19
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L18:
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r2 = r3
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L19:
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int r0 = r0 + r2
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r2 = 44097(0xac41, float:6.1793E-41)
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if (r1 != r2) goto L21
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int r0 = r0 + 2
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L21:
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r8 = r0
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r0 = 2
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int r1 = r11.readBits(r0)
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r2 = 3
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if (r1 != r2) goto L2f
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int r4 = readVariableBits(r11, r0)
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int r1 = r1 + r4
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L2f:
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r5 = r1
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r1 = 10
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int r1 = r11.readBits(r1)
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boolean r4 = r11.readBit()
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if (r4 == 0) goto L45
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int r4 = r11.readBits(r2)
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if (r4 <= 0) goto L45
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r11.skipBits(r0)
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L45:
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boolean r4 = r11.readBit()
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r6 = 48000(0xbb80, float:6.7262E-41)
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r7 = 44100(0xac44, float:6.1797E-41)
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if (r4 == 0) goto L53
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r9 = r6
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goto L54
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L53:
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r9 = r7
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L54:
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int r11 = r11.readBits(r3)
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if (r9 != r7) goto L63
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r4 = 13
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if (r11 != r4) goto L63
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int[] r0 = androidx.media3.extractor.Ac4Util.SAMPLE_COUNT
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r11 = r0[r11]
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goto L93
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L63:
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if (r9 != r6) goto L92
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int[] r4 = androidx.media3.extractor.Ac4Util.SAMPLE_COUNT
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int r6 = r4.length
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if (r11 >= r6) goto L92
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r4 = r4[r11]
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int r1 = r1 % 5
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r6 = 8
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r7 = 1
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if (r1 == r7) goto L88
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r7 = 11
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if (r1 == r0) goto L83
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if (r1 == r2) goto L88
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if (r1 == r3) goto L7c
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goto L8d
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L7c:
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if (r11 == r2) goto L8f
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if (r11 == r6) goto L8f
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if (r11 != r7) goto L8d
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goto L8f
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L83:
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if (r11 == r6) goto L8f
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if (r11 != r7) goto L8d
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goto L8f
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L88:
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if (r11 == r2) goto L8f
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if (r11 != r6) goto L8d
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goto L8f
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L8d:
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r11 = r4
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goto L93
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L8f:
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int r4 = r4 + 1
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goto L8d
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L92:
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r11 = 0
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L93:
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androidx.media3.extractor.Ac4Util$SyncFrameInfo r0 = new androidx.media3.extractor.Ac4Util$SyncFrameInfo
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r6 = 2
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r10 = 0
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r4 = r0
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r7 = r9
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r9 = r11
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r4.<init>(r5, r6, r7, r8, r9)
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return r0
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*/
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throw new UnsupportedOperationException("Method not decompiled: androidx.media3.extractor.Ac4Util.parseAc4SyncframeInfo(androidx.media3.common.util.ParsableBitArray):androidx.media3.extractor.Ac4Util$SyncFrameInfo");
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}
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public static int parseAc4SyncframeSize(byte[] bArr, int i) {
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int i2 = 7;
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if (bArr.length < 7) {
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return -1;
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}
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int i3 = ((bArr[2] & 255) << 8) | (bArr[3] & 255);
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if (i3 == 65535) {
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i3 = ((bArr[4] & 255) << 16) | ((bArr[5] & 255) << 8) | (bArr[6] & 255);
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} else {
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i2 = 4;
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}
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if (i == 44097) {
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i2 += 2;
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}
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return i3 + i2;
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}
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public static int parseAc4SyncframeAudioSampleCount(ByteBuffer byteBuffer) {
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byte[] bArr = new byte[16];
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int position = byteBuffer.position();
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byteBuffer.get(bArr);
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byteBuffer.position(position);
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return parseAc4SyncframeInfo(new ParsableBitArray(bArr)).sampleCount;
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}
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public static void getAc4SampleHeader(int i, ParsableByteArray parsableByteArray) {
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parsableByteArray.reset(7);
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byte[] data = parsableByteArray.getData();
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data[0] = -84;
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data[1] = SignedBytes.MAX_POWER_OF_TWO;
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data[2] = -1;
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data[3] = -1;
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data[4] = (byte) ((i >> 16) & 255);
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data[5] = (byte) ((i >> 8) & 255);
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data[6] = (byte) (i & 255);
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}
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private static int readVariableBits(ParsableBitArray parsableBitArray, int i) {
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int i2 = 0;
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while (true) {
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int readBits = i2 + parsableBitArray.readBits(i);
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if (!parsableBitArray.readBit()) {
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return readBits;
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}
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i2 = (readBits + 1) << i;
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}
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}
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private Ac4Util() {
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}
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}
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