getFrontendStatus and Frontend status class (1512ec10) · Commits · e / os / android_frameworks_base

media/java/android/media/tv/tuner/FrontendStatus.java

0 → 100644

+258 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2019 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;

		import android.media.tv.tuner.TunerConstants.FrontendDvbcSpectralInversion;
		import android.media.tv.tuner.TunerConstants.FrontendDvbtHierarchy;
		import android.media.tv.tuner.TunerConstants.FrontendInnerFec;
		import android.media.tv.tuner.TunerConstants.FrontendModulation;
		import android.media.tv.tuner.TunerConstants.FrontendStatusType;
		import android.media.tv.tuner.TunerConstants.LnbVoltage;

		/**
		* Frontend status
		*
		* @hide
		*/
		public class FrontendStatus {

		private final int mType;
		private final Object mValue;

		private FrontendStatus(int type, Object value) {
		mType = type;
		mValue = value;
		}

		/** Gets frontend status type. */
		@FrontendStatusType
		public int getStatusType() {
		return mType;
		}
		/** Lock status for Demod in True/False. */
		public boolean getIsDemodLocked() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_DEMOD_LOCK) {
		throw new IllegalStateException();
		}
		return (Boolean) mValue;
		}
		/** SNR value measured by 0.001 dB. */
		public int getSnr() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_SNR) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** The number of error bit per 1 billion bits. */
		public int getBer() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_BER) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** The number of error package per 1 billion packages. */
		public int getPer() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_PER) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** The number of error bit per 1 billion bits before FEC. */
		public int getPerBer() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_PRE_BER) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** Signal Quality in percent. */
		public int getSignalQuality() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_SIGNAL_QUALITY) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** Signal Strength measured by 0.001 dBm. */
		public int getSignalStrength() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_SIGNAL_STRENGTH) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** Symbols per second. */
		public int getSymbolRate() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_SYMBOL_RATE) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/**
		* Inner Forward Error Correction type as specified in ETSI EN 300 468 V1.15.1
		* and ETSI EN 302 307-2 V1.1.1.
		*/
		@FrontendInnerFec
		public long getFec() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_FEC) {
		throw new IllegalStateException();
		}
		return (long) mValue;
		}
		/** Modulation */
		@FrontendModulation
		public int getModulation() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_MODULATION) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** Spectral Inversion for DVBC. */
		@FrontendDvbcSpectralInversion
		public int getSpectralInversion() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_SPECTRAL) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** Power Voltage Type for LNB. */
		@LnbVoltage
		public int getLnbVoltage() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_LNB_VOLTAGE) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** PLP ID */
		public byte getPlpId() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_PLP_ID) {
		throw new IllegalStateException();
		}
		return (byte) mValue;
		}
		/** Emergency Warning Broadcasting System */
		public boolean getIsEwbs() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_EWBS) {
		throw new IllegalStateException();
		}
		return (Boolean) mValue;
		}
		/** AGC value is normalized from 0 to 255. */
		public byte getAgc() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_AGC) {
		throw new IllegalStateException();
		}
		return (byte) mValue;
		}
		/** LNA(Low Noise Amplifier) is on or not. */
		public boolean getLnaOn() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_LNA) {
		throw new IllegalStateException();
		}
		return (Boolean) mValue;
		}
		/** Error status by layer. */
		public boolean[] getIsLayerError() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_LAYER_ERROR) {
		throw new IllegalStateException();
		}
		return (boolean[]) mValue;
		}
		/** CN value by VBER measured by 0.001 dB. */
		public int getVberCn() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_VBER_CN) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** CN value by LBER measured by 0.001 dB. */
		public int getLberCn() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_LBER_CN) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** CN value by XER measured by 0.001 dB. */
		public int getXerCn() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_XER_CN) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** MER value measured by 0.001 dB. */
		public int getMer() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_MER) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** Frequency difference in Hertz. */
		public int getFreqOffset() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_FREQ_OFFSET) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** Hierarchy Type for DVBT. */
		@FrontendDvbtHierarchy
		public int getHierarchy() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_HIERARCHY) {
		throw new IllegalStateException();
		}
		return (int) mValue;
		}
		/** Lock status for RF. */
		public boolean getIsRfLock() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_RF_LOCK) {
		throw new IllegalStateException();
		}
		return (Boolean) mValue;
		}
		/** A list of PLP status for tuned PLPs for ATSC3 frontend. */
		public Atsc3PlpInfo[] getAtsc3PlpInfo() {
		if (mType != TunerConstants.FRONTEND_STATUS_TYPE_ATSC3_PLP_INFO) {
		throw new IllegalStateException();
		}
		return (Atsc3PlpInfo[]) mValue;
		}

		/** Status for each tuning PLPs. */
		public static class Atsc3PlpInfo {
		private final int mPlpId;
		private final boolean mIsLock;
		private final int mUec;

		private Atsc3PlpInfo(int plpId, boolean isLock, int uec) {
		mPlpId = plpId;
		mIsLock = isLock;
		mUec = uec;
		}

		/** Gets PLP IDs. */
		public int getPlpId() {
		return mPlpId;
		}
		/** Gets Demod Lock/Unlock status of this particular PLP. */
		public boolean getIsLock() {
		return mIsLock;
		}
		/**
		* Gets Uncorrectable Error Counts (UEC) of this particular PLP since last tune
		* operation.
		*/
		public int getUec() {
		return mUec;
		}
		}
		}

media/java/android/media/tv/tuner/Tuner.java

+16 −0

Original line number	Diff line number	Diff line
		@@ -104,6 +104,7 @@ public final class Tuner implements AutoCloseable {
		private native int nativeScan(int settingsType, FrontendSettings settings, int scanType);
		private native int nativeSetLnb(int lnbId);
		private native int nativeSetLna(boolean enable);
		private native FrontendStatus[] nativeGetFrontendStatus(int[] statusTypes);
		private native Filter nativeOpenFilter(int type, int subType, int bufferSize);

		private native List<Integer> nativeGetLnbIds();
		@@ -307,6 +308,21 @@ public final class Tuner implements AutoCloseable {
		return nativeSetLna(enable);
		}

		/**
		* Gets the statuses of the frontend.
		*
		* This retrieve the statuses of the frontend for given status types.
		*
		* @param statusTypes an array of status type which the caller request.
		*
		* @return statuses an array of statuses which response the caller's
		* request.
		* @hide
		*/
		public FrontendStatus[] getFrontendStatus(int[] statusTypes) {
		return nativeGetFrontendStatus(statusTypes);
		}

		private List<Integer> getFrontendIds() {
		mFrontendIds = nativeGetFrontendIds();
		return mFrontendIds;

media/java/android/media/tv/tuner/TunerConstants.java

+415 −0

File changed.

Preview size limit exceeded, changes collapsed.

media/jni/android_media_tv_Tuner.cpp

+6 −0

Original line number	Diff line number	Diff line
		@@ -628,6 +628,10 @@ static int android_media_tv_Tuner_set_lna(JNIEnv, jobject, jint, jboolean) {
		return 0;
		}

		static jobjectArray android_media_tv_Tuner_get_frontend_status(JNIEnv, jobject, jintArray) {
		return NULL;
		}

		static jobject android_media_tv_Tuner_get_lnb_ids(JNIEnv *env, jobject thiz) {
		sp<JTuner> tuner = getTuner(env, thiz);
		return tuner->getLnbIds();
		@@ -883,6 +887,8 @@ static const JNINativeMethod gTunerMethods[] = {
		(void *)android_media_tv_Tuner_scan },
		{ "nativeSetLnb", "(I)I", (void *)android_media_tv_Tuner_set_lnb },
		{ "nativeSetLna", "(Z)I", (void *)android_media_tv_Tuner_set_lna },
		{ "nativeGetFrontendStatus", "([I)[Landroid/media/tv/tuner/FrontendStatus;",
		(void *)android_media_tv_Tuner_get_frontend_status },
		{ "nativeOpenFilter", "(III)Landroid/media/tv/tuner/Tuner$Filter;",
		(void *)android_media_tv_Tuner_open_filter },
		{ "nativeGetLnbIds", "()Ljava/util/List;",