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package com.google.android.exoplayer2.audio;
import com.facebook.imagepipeline.memory.BitmapCounterConfig;
import com.google.android.exoplayer2.Format;
import com.google.android.exoplayer2.drm.DrmInitData;
import com.google.android.exoplayer2.util.MimeTypes;
import com.google.android.exoplayer2.util.ParsableBitArray;
import com.google.android.gms.safetynet.SafetyNetStatusCodes;
import java.nio.ByteBuffer;
import java.util.Arrays;
public final class DtsUtil {
private static final int[] CHANNELS_BY_AMODE = {1, 2, 2, 2, 2, 3, 3, 4, 4, 5, 6, 6, 6, 7, 8, 8};
public static final int DTS_HD_MAX_RATE_BYTES_PER_SECOND = 2250000;
public static final int DTS_MAX_RATE_BYTES_PER_SECOND = 192000;
private static final byte FIRST_BYTE_14B_BE = 31;
private static final byte FIRST_BYTE_14B_LE = -1;
private static final byte FIRST_BYTE_BE = Byte.MAX_VALUE;
private static final byte FIRST_BYTE_LE = -2;
private static final int[] SAMPLE_RATE_BY_SFREQ = {-1, 8000, AacUtil.AAC_HE_V1_MAX_RATE_BYTES_PER_SECOND, 32000, -1, -1, 11025, 22050, 44100, -1, -1, SafetyNetStatusCodes.SAFE_BROWSING_UNSUPPORTED_THREAT_TYPES, 24000, OpusUtil.SAMPLE_RATE, -1, -1};
private static final int SYNC_VALUE_14B_BE = 536864768;
private static final int SYNC_VALUE_14B_LE = -14745368;
private static final int SYNC_VALUE_BE = 2147385345;
private static final int SYNC_VALUE_LE = -25230976;
private static final int[] TWICE_BITRATE_KBPS_BY_RATE = {64, 112, 128, 192, 224, 256, BitmapCounterConfig.DEFAULT_MAX_BITMAP_COUNT, 448, 512, 640, 768, 896, 1024, 1152, 1280, 1536, 1920, 2048, 2304, 2560, 2688, 2816, 2823, 2944, 3072, 3840, 4096, 6144, 7680};
public static boolean isSyncWord(int i) {
return i == SYNC_VALUE_BE || i == SYNC_VALUE_LE || i == SYNC_VALUE_14B_BE || i == SYNC_VALUE_14B_LE;
}
public static Format parseDtsFormat(byte[] bArr, String str, String str2, DrmInitData drmInitData) {
int i;
ParsableBitArray normalizedFrameHeader = getNormalizedFrameHeader(bArr);
normalizedFrameHeader.skipBits(60);
int i2 = CHANNELS_BY_AMODE[normalizedFrameHeader.readBits(6)];
int i3 = SAMPLE_RATE_BY_SFREQ[normalizedFrameHeader.readBits(4)];
int readBits = normalizedFrameHeader.readBits(5);
int[] iArr = TWICE_BITRATE_KBPS_BY_RATE;
if (readBits >= iArr.length) {
i = -1;
} else {
i = (iArr[readBits] * 1000) / 2;
}
normalizedFrameHeader.skipBits(10);
return new Format.Builder().setId(str).setSampleMimeType(MimeTypes.AUDIO_DTS).setAverageBitrate(i).setChannelCount(i2 + (normalizedFrameHeader.readBits(2) > 0 ? 1 : 0)).setSampleRate(i3).setDrmInitData(drmInitData).setLanguage(str2).build();
}
public static int parseDtsAudioSampleCount(byte[] bArr) {
byte b;
int i;
byte b2;
int i2;
byte b3;
byte b4 = bArr[0];
if (b4 != -2) {
if (b4 == -1) {
i = (bArr[4] & 7) << 4;
b3 = bArr[7];
} else if (b4 != 31) {
i2 = (bArr[4] & 1) << 6;
b2 = bArr[5];
} else {
i = (bArr[5] & 7) << 4;
b3 = bArr[6];
}
b = b3 & 60;
return (((b >> 2) | i) + 1) * 32;
}
i2 = (bArr[5] & 1) << 6;
b2 = bArr[4];
b = b2 & 252;
return (((b >> 2) | i) + 1) * 32;
}
public static int parseDtsAudioSampleCount(ByteBuffer byteBuffer) {
byte b;
int i;
byte b2;
int i2;
byte b3;
int position = byteBuffer.position();
byte b4 = byteBuffer.get(position);
if (b4 != -2) {
if (b4 == -1) {
i = (byteBuffer.get(position + 4) & 7) << 4;
b3 = byteBuffer.get(position + 7);
} else if (b4 != 31) {
i2 = (byteBuffer.get(position + 4) & 1) << 6;
b2 = byteBuffer.get(position + 5);
} else {
i = (byteBuffer.get(position + 5) & 7) << 4;
b3 = byteBuffer.get(position + 6);
}
b = b3 & 60;
return (((b >> 2) | i) + 1) * 32;
}
i2 = (byteBuffer.get(position + 5) & 1) << 6;
b2 = byteBuffer.get(position + 4);
b = b2 & 252;
return (((b >> 2) | i) + 1) * 32;
}
/* JADX WARNING: Removed duplicated region for block: B:13:0x005f */
/* JADX WARNING: Removed duplicated region for block: B:15:? A[RETURN, SYNTHETIC] */
/* Code decompiled incorrectly, please refer to instructions dump. */
public static int getDtsFrameSize(byte[] r7) {
/*
r0 = 0
byte r1 = r7[r0]
r2 = -2
r3 = 6
r4 = 7
r5 = 1
r6 = 4
if (r1 == r2) goto L_0x004a
r2 = -1
if (r1 == r2) goto L_0x0032
r2 = 31
if (r1 == r2) goto L_0x0021
r1 = 5
byte r1 = r7[r1]
r1 = r1 & 3
int r1 = r1 << 12
byte r2 = r7[r3]
r2 = r2 & 255(0xff, float:3.57E-43)
int r2 = r2 << r6
r1 = r1 | r2
byte r7 = r7[r4]
goto L_0x0058
L_0x0021:
byte r0 = r7[r3]
r0 = r0 & 3
int r0 = r0 << 12
byte r1 = r7[r4]
r1 = r1 & 255(0xff, float:3.57E-43)
int r1 = r1 << r6
r0 = r0 | r1
r1 = 8
byte r7 = r7[r1]
goto L_0x0042
L_0x0032:
byte r0 = r7[r4]
r0 = r0 & 3
int r0 = r0 << 12
byte r1 = r7[r3]
r1 = r1 & 255(0xff, float:3.57E-43)
int r1 = r1 << r6
r0 = r0 | r1
r1 = 9
byte r7 = r7[r1]
L_0x0042:
r7 = r7 & 60
int r7 = r7 >> 2
r7 = r7 | r0
int r7 = r7 + r5
r0 = 1
goto L_0x005d
L_0x004a:
byte r1 = r7[r6]
r1 = r1 & 3
int r1 = r1 << 12
byte r2 = r7[r4]
r2 = r2 & 255(0xff, float:3.57E-43)
int r2 = r2 << r6
r1 = r1 | r2
byte r7 = r7[r3]
L_0x0058:
r7 = r7 & 240(0xf0, float:3.36E-43)
int r7 = r7 >> r6
r7 = r7 | r1
int r7 = r7 + r5
L_0x005d:
if (r0 == 0) goto L_0x0063
int r7 = r7 * 16
int r7 = r7 / 14
L_0x0063:
return r7
*/
throw new UnsupportedOperationException("Method not decompiled: com.google.android.exoplayer2.audio.DtsUtil.getDtsFrameSize(byte[]):int");
}
private static ParsableBitArray getNormalizedFrameHeader(byte[] bArr) {
if (bArr[0] == Byte.MAX_VALUE) {
return new ParsableBitArray(bArr);
}
byte[] copyOf = Arrays.copyOf(bArr, bArr.length);
if (isLittleEndianFrameHeader(copyOf)) {
for (int i = 0; i < copyOf.length - 1; i += 2) {
byte b = copyOf[i];
int i2 = i + 1;
copyOf[i] = copyOf[i2];
copyOf[i2] = b;
}
}
ParsableBitArray parsableBitArray = new ParsableBitArray(copyOf);
if (copyOf[0] == 31) {
ParsableBitArray parsableBitArray2 = new ParsableBitArray(copyOf);
while (parsableBitArray2.bitsLeft() >= 16) {
parsableBitArray2.skipBits(2);
parsableBitArray.putInt(parsableBitArray2.readBits(14), 14);
}
}
parsableBitArray.reset(copyOf);
return parsableBitArray;
}
private static boolean isLittleEndianFrameHeader(byte[] bArr) {
return bArr[0] == -2 || bArr[0] == -1;
}
private DtsUtil() {
}
}
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