| /* |
| * Copyright 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.media.tv.tuner.frontend; |
| |
| import android.annotation.IntDef; |
| import android.annotation.IntRange; |
| import android.annotation.NonNull; |
| import android.annotation.SuppressLint; |
| import android.annotation.SystemApi; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| /** |
| * Frontend settings for DTMB. |
| * |
| * <p>DTMB Frontend is only supported in Tuner HAL 1.1 or higher. Use {@link |
| * android.media.tv.tuner.TunerVersionChecker#getTunerVersion()} to get the version information. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public final class DtmbFrontendSettings extends FrontendSettings { |
| |
| /** @hide */ |
| @IntDef(flag = true, |
| prefix = "BANDWIDTH_", |
| value = {BANDWIDTH_UNDEFINED, BANDWIDTH_AUTO, BANDWIDTH_6MHZ, BANDWIDTH_8MHZ}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface Bandwidth {} |
| |
| /** |
| * Bandwidth not defined. |
| */ |
| public static final int BANDWIDTH_UNDEFINED = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbBandwidth.UNDEFINED; |
| /** |
| * Hardware is able to detect and set bandwidth automatically |
| */ |
| public static final int BANDWIDTH_AUTO = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbBandwidth.AUTO; |
| /** |
| * 6 MHz bandwidth. |
| */ |
| public static final int BANDWIDTH_6MHZ = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbBandwidth.BANDWIDTH_6MHZ; |
| /** |
| * 8 MHz bandwidth. |
| */ |
| public static final int BANDWIDTH_8MHZ = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbBandwidth.BANDWIDTH_8MHZ; |
| |
| |
| /** @hide */ |
| @IntDef(flag = true, |
| prefix = "TIME_INTERLEAVE_MODE_", |
| value = {TIME_INTERLEAVE_MODE_UNDEFINED, TIME_INTERLEAVE_MODE_AUTO, |
| TIME_INTERLEAVE_MODE_TIMER_INT_240, TIME_INTERLEAVE_MODE_TIMER_INT_720}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface TimeInterleaveMode {} |
| |
| /** |
| * Time Interleave Mode undefined. |
| */ |
| public static final int TIME_INTERLEAVE_MODE_UNDEFINED = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbTimeInterleaveMode.UNDEFINED; |
| /** |
| * Hardware is able to detect and set time interleave mode automatically |
| */ |
| public static final int TIME_INTERLEAVE_MODE_AUTO = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbTimeInterleaveMode.AUTO; |
| /** |
| * Time Interleave Mode timer int 240. |
| */ |
| public static final int TIME_INTERLEAVE_MODE_TIMER_INT_240 = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbTimeInterleaveMode.TIMER_INT_240; |
| /** |
| * Time Interleave Mode timer int 720. |
| */ |
| public static final int TIME_INTERLEAVE_MODE_TIMER_INT_720 = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbTimeInterleaveMode.TIMER_INT_720; |
| |
| |
| /** @hide */ |
| @IntDef(flag = true, |
| prefix = "GUARD_INTERVAL_", |
| value = {GUARD_INTERVAL_UNDEFINED, GUARD_INTERVAL_AUTO, |
| GUARD_INTERVAL_PN_420_VARIOUS, GUARD_INTERVAL_PN_595_CONST, |
| GUARD_INTERVAL_PN_945_VARIOUS, GUARD_INTERVAL_PN_420_CONST, |
| GUARD_INTERVAL_PN_945_CONST, GUARD_INTERVAL_PN_RESERVED}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface GuardInterval {} |
| |
| /** |
| * Guard Interval undefined. |
| */ |
| public static final int GUARD_INTERVAL_UNDEFINED = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbGuardInterval.UNDEFINED; |
| /** |
| * Hardware is able to detect and set Guard Interval automatically. |
| */ |
| public static final int GUARD_INTERVAL_AUTO = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbGuardInterval.AUTO; |
| /** |
| * PN_420_VARIOUS Guard Interval. |
| */ |
| public static final int GUARD_INTERVAL_PN_420_VARIOUS = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbGuardInterval.PN_420_VARIOUS; |
| /** |
| * PN_595_CONST Guard Interval. |
| */ |
| public static final int GUARD_INTERVAL_PN_595_CONST = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbGuardInterval.PN_595_CONST; |
| /** |
| * PN_945_VARIOUS Guard Interval. |
| */ |
| public static final int GUARD_INTERVAL_PN_945_VARIOUS = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbGuardInterval.PN_945_VARIOUS; |
| /** |
| * PN_420_CONST Guard Interval. |
| */ |
| public static final int GUARD_INTERVAL_PN_420_CONST = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbGuardInterval.PN_420_CONST; |
| /** |
| * PN_945_CONST Guard Interval. |
| */ |
| public static final int GUARD_INTERVAL_PN_945_CONST = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbGuardInterval.PN_945_CONST; |
| /** |
| * PN_RESERVED Guard Interval. |
| */ |
| public static final int GUARD_INTERVAL_PN_RESERVED = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbGuardInterval.PN_RESERVED; |
| |
| |
| /** @hide */ |
| @IntDef(flag = true, |
| prefix = "MODULATION_", |
| value = {MODULATION_CONSTELLATION_UNDEFINED, MODULATION_CONSTELLATION_AUTO, |
| MODULATION_CONSTELLATION_4QAM, MODULATION_CONSTELLATION_4QAM_NR, |
| MODULATION_CONSTELLATION_16QAM, MODULATION_CONSTELLATION_32QAM, |
| MODULATION_CONSTELLATION_64QAM}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface Modulation {} |
| |
| /** |
| * Constellation not defined. |
| */ |
| public static final int MODULATION_CONSTELLATION_UNDEFINED = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbModulation.UNDEFINED; |
| /** |
| * Hardware is able to detect and set Constellation automatically. |
| */ |
| public static final int MODULATION_CONSTELLATION_AUTO = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbModulation.AUTO; |
| /** |
| * 4QAM Constellation. |
| */ |
| public static final int MODULATION_CONSTELLATION_4QAM = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbModulation.CONSTELLATION_4QAM; |
| /** |
| * 4QAM_NR Constellation. |
| */ |
| public static final int MODULATION_CONSTELLATION_4QAM_NR = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbModulation.CONSTELLATION_4QAM_NR; |
| /** |
| * 16QAM Constellation. |
| */ |
| public static final int MODULATION_CONSTELLATION_16QAM = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbModulation.CONSTELLATION_16QAM; |
| /** |
| * 32QAM Constellation. |
| */ |
| public static final int MODULATION_CONSTELLATION_32QAM = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbModulation.CONSTELLATION_32QAM; |
| /** |
| * 64QAM Constellation. |
| */ |
| public static final int MODULATION_CONSTELLATION_64QAM = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbModulation.CONSTELLATION_64QAM; |
| |
| /** @hide */ |
| @IntDef(flag = true, |
| prefix = "CODERATE_", |
| value = {CODERATE_UNDEFINED, CODERATE_AUTO, CODERATE_2_5, CODERATE_3_5, CODERATE_4_5}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface CodeRate {} |
| |
| /** |
| * Code rate undefined. |
| */ |
| public static final int CODERATE_UNDEFINED = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbCodeRate.UNDEFINED; |
| /** |
| * Hardware is able to detect and set code rate automatically. |
| */ |
| public static final int CODERATE_AUTO = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbCodeRate.AUTO; |
| /** |
| * 2/5 code rate. |
| */ |
| public static final int CODERATE_2_5 = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbCodeRate.CODERATE_2_5; |
| /** |
| * 3/5 code rate. |
| */ |
| public static final int CODERATE_3_5 = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbCodeRate.CODERATE_3_5; |
| /** |
| * 4/5 code rate. |
| */ |
| public static final int CODERATE_4_5 = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbCodeRate.CODERATE_4_5; |
| |
| /** @hide */ |
| @IntDef(flag = true, |
| prefix = "TRANSMISSION_MODE_", |
| value = {TRANSMISSION_MODE_UNDEFINED, TRANSMISSION_MODE_AUTO, |
| TRANSMISSION_MODE_C1, TRANSMISSION_MODE_C3780}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface TransmissionMode {} |
| |
| /** |
| * Transmission Mode undefined. |
| */ |
| public static final int TRANSMISSION_MODE_UNDEFINED = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbTransmissionMode.UNDEFINED; |
| /** |
| * Hardware is able to detect and set Transmission Mode automatically |
| */ |
| public static final int TRANSMISSION_MODE_AUTO = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbTransmissionMode.AUTO; |
| /** |
| * C1 Transmission Mode. |
| */ |
| public static final int TRANSMISSION_MODE_C1 = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbTransmissionMode.C1; |
| /** |
| * C3780 Transmission Mode. |
| */ |
| public static final int TRANSMISSION_MODE_C3780 = |
| android.hardware.tv.tuner.V1_1.Constants.FrontendDtmbTransmissionMode.C3780; |
| |
| |
| private final int mModulation; |
| private final int mCodeRate; |
| private final int mTransmissionMode; |
| private final int mBandwidth; |
| private final int mGuardInterval; |
| private final int mTimeInterleaveMode; |
| |
| private DtmbFrontendSettings(int frequency, int modulation, int codeRate, int transmissionMode, |
| int guardInterval, int timeInterleaveMode, int bandwidth) { |
| super(frequency); |
| mModulation = modulation; |
| mCodeRate = codeRate; |
| mTransmissionMode = transmissionMode; |
| mGuardInterval = guardInterval; |
| mTimeInterleaveMode = timeInterleaveMode; |
| mBandwidth = bandwidth; |
| } |
| |
| /** |
| * Gets Modulation. |
| */ |
| @Modulation |
| public int getModulation() { |
| return mModulation; |
| } |
| |
| /** |
| * Gets Code Rate. |
| */ |
| @Modulation |
| public int getCodeRate() { |
| return mCodeRate; |
| } |
| |
| /** |
| * Gets Transmission Mode. |
| */ |
| @Modulation |
| public int getTransmissionMode() { |
| return mTransmissionMode; |
| } |
| |
| /** |
| * Gets Bandwidth. |
| */ |
| @Modulation |
| public int getBandwidth() { |
| return mBandwidth; |
| } |
| |
| /** |
| * Gets Time Interleave Mode. |
| */ |
| @Modulation |
| public int getTimeInterleaveMode() { |
| return mTimeInterleaveMode; |
| } |
| |
| |
| /** |
| * Gets Guard Interval. |
| */ |
| @Modulation |
| public int getGuardInterval() { |
| return mGuardInterval; |
| } |
| |
| /** |
| * Creates a builder for {@link AtscFrontendSettings}. |
| */ |
| @NonNull |
| public static Builder builder() { |
| return new Builder(); |
| } |
| |
| /** |
| * Builder for {@link AtscFrontendSettings}. |
| */ |
| public static final class Builder { |
| private int mFrequency = 0; |
| private int mModulation = MODULATION_CONSTELLATION_UNDEFINED; |
| private int mCodeRate = CODERATE_UNDEFINED; |
| private int mTransmissionMode = TRANSMISSION_MODE_UNDEFINED; |
| private int mBandwidth = BANDWIDTH_UNDEFINED; |
| private int mTimeInterleaveMode = TIME_INTERLEAVE_MODE_UNDEFINED; |
| private int mGuardInterval = GUARD_INTERVAL_UNDEFINED; |
| |
| private Builder() { |
| } |
| |
| /** |
| * Sets frequency in Hz. |
| * |
| * <p>Default value is 0. |
| */ |
| @NonNull |
| @IntRange(from = 1) |
| @SuppressLint("MissingGetterMatchingBuilder") |
| public Builder setFrequency(int frequency) { |
| mFrequency = frequency; |
| return this; |
| } |
| |
| /** |
| * Sets Modulation. |
| * |
| * <p>Default value is {@link #MODULATION_CONSTELLATION_UNDEFINED}. |
| */ |
| @NonNull |
| public Builder setModulation(@Modulation int modulation) { |
| mModulation = modulation; |
| return this; |
| } |
| |
| /** |
| * Sets Code Rate. |
| * |
| * <p>Default value is {@link #CODERATE_UNDEFINED}. |
| */ |
| @NonNull |
| public Builder setCodeRate(@CodeRate int codeRate) { |
| mCodeRate = codeRate; |
| return this; |
| } |
| |
| /** |
| * Sets Bandwidth. |
| * |
| * <p>Default value is {@link #BANDWIDTH_UNDEFINED}. |
| */ |
| @NonNull |
| public Builder setBandwidth(@Bandwidth int bandwidth) { |
| mBandwidth = bandwidth; |
| return this; |
| } |
| |
| /** |
| * Sets Time Interleave Mode. |
| * |
| * <p>Default value is {@link #TIME_INTERLEAVE_MODE_UNDEFINED}. |
| */ |
| @NonNull |
| public Builder setTimeInterleaveMode(@TimeInterleaveMode int timeInterleaveMode) { |
| mTimeInterleaveMode = timeInterleaveMode; |
| return this; |
| } |
| |
| /** |
| * Sets Guard Interval. |
| * |
| * <p>Default value is {@link #GUARD_INTERVAL_UNDEFINED}. |
| */ |
| @NonNull |
| public Builder setGuardInterval(@GuardInterval int guardInterval) { |
| mGuardInterval = guardInterval; |
| return this; |
| } |
| /** |
| * Sets Transmission Mode. |
| * |
| * <p>Default value is {@link #TRANSMISSION_MODE_UNDEFINED}. |
| */ |
| @NonNull |
| public Builder setTransmissionMode(@TransmissionMode int transmissionMode) { |
| mTransmissionMode = transmissionMode; |
| return this; |
| } |
| |
| /** |
| * Builds a {@link DtmbFrontendSettings} object. |
| */ |
| @NonNull |
| public DtmbFrontendSettings build() { |
| return new DtmbFrontendSettings(mFrequency, mModulation, mCodeRate, |
| mTransmissionMode, mGuardInterval, mTimeInterleaveMode, mBandwidth); |
| } |
| } |
| |
| @Override |
| public int getType() { |
| return FrontendSettings.TYPE_DTMB; |
| } |
| } |
