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-rw-r--r--media/java/android/media/tv/tuner/FrontendSettings.java274
-rw-r--r--media/java/android/media/tv/tuner/Tuner.java9
-rw-r--r--media/java/android/media/tv/tuner/TunerConstants.java15
-rw-r--r--media/jni/android_media_tv_Tuner.cpp45
-rw-r--r--media/jni/android_media_tv_Tuner.h2
5 files changed, 345 insertions, 0 deletions
diff --git a/media/java/android/media/tv/tuner/FrontendSettings.java b/media/java/android/media/tv/tuner/FrontendSettings.java
new file mode 100644
index 000000000000..3782cc6c6ec3
--- /dev/null
+++ b/media/java/android/media/tv/tuner/FrontendSettings.java
@@ -0,0 +1,274 @@
+/*
+ * 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.FrontendSettingsType;
+
+import java.util.List;
+
+/**
+ * @hide
+ */
+public abstract class FrontendSettings {
+ protected int mFrequency;
+
+ /**
+ * Returns the frontend type.
+ */
+ @FrontendSettingsType
+ public abstract int getType();
+
+ public int getFrequency() {
+ return mFrequency;
+ }
+
+ // TODO: use hal constants for enum fields
+ // TODO: javaDoc
+ // TODO: add builders and getters for other settings type
+
+ /**
+ * Frontend settings for analog.
+ */
+ public static class FrontendAnalogSettings extends FrontendSettings {
+ private int mAnalogType;
+ private int mSifStandard;
+
+ @Override
+ public int getType() {
+ return TunerConstants.FRONTEND_TYPE_ANALOG;
+ }
+
+ public int getAnalogType() {
+ return mAnalogType;
+ }
+
+ public int getSifStandard() {
+ return mSifStandard;
+ }
+
+ /**
+ * Creates a new builder object.
+ */
+ public static Builder newBuilder() {
+ return new Builder();
+ }
+
+ private FrontendAnalogSettings(int frequency, int analogType, int sifStandard) {
+ mFrequency = frequency;
+ mAnalogType = analogType;
+ mSifStandard = sifStandard;
+ }
+
+ /**
+ * Builder for FrontendAnalogSettings.
+ */
+ public static class Builder {
+ private int mFrequency;
+ private int mAnalogType;
+ private int mSifStandard;
+
+ private Builder() {}
+
+ /**
+ * Sets frequency.
+ */
+ public Builder setFrequency(int frequency) {
+ mFrequency = frequency;
+ return this;
+ }
+
+ /**
+ * Sets analog type.
+ */
+ public Builder setAnalogType(int analogType) {
+ mAnalogType = analogType;
+ return this;
+ }
+
+ /**
+ * Sets sif standard.
+ */
+ public Builder setSifStandard(int sifStandard) {
+ mSifStandard = sifStandard;
+ return this;
+ }
+
+ /**
+ * Builds a FrontendAnalogSettings instance.
+ */
+ public FrontendAnalogSettings build() {
+ return new FrontendAnalogSettings(mFrequency, mAnalogType, mSifStandard);
+ }
+ }
+ }
+
+ /**
+ * Frontend settings for ATSC.
+ */
+ public static class FrontendAtscSettings extends FrontendSettings {
+ public int modulation;
+
+ @Override
+ public int getType() {
+ return TunerConstants.FRONTEND_TYPE_ATSC;
+ }
+ }
+
+ /**
+ * Frontend settings for ATSC-3.
+ */
+ public static class FrontendAtsc3Settings extends FrontendSettings {
+ public int bandwidth;
+ public byte demodOutputFormat;
+ public List<FrontendAtsc3PlpSettings> plpSettings;
+
+ @Override
+ public int getType() {
+ return TunerConstants.FRONTEND_TYPE_ATSC3;
+ }
+ }
+
+ /**
+ * Frontend settings for DVBS.
+ */
+ public static class FrontendDvbsSettings extends FrontendSettings {
+ public int modulation;
+ public FrontendDvbsCodeRate coderate;
+ public int symbolRate;
+ public int rolloff;
+ public int pilot;
+ public int inputStreamId;
+ public byte standard;
+
+ @Override
+ public int getType() {
+ return TunerConstants.FRONTEND_TYPE_DVBS;
+ }
+ }
+
+ /**
+ * Frontend settings for DVBC.
+ */
+ public static class FrontendDvbcSettings extends FrontendSettings {
+ public int modulation;
+ public long fec;
+ public int symbolRate;
+ public int outerFec;
+ public byte annex;
+ public int spectralInversion;
+
+ @Override
+ public int getType() {
+ return TunerConstants.FRONTEND_TYPE_DVBC;
+ }
+ }
+
+ /**
+ * Frontend settings for DVBT.
+ */
+ public static class FrontendDvbtSettings extends FrontendSettings {
+ public int transmissionMode;
+ public int bandwidth;
+ public int constellation;
+ public int hierarchy;
+ public int hpCoderate;
+ public int lpCoderate;
+ public int guardInterval;
+ public boolean isHighPriority;
+ public byte standard;
+ public boolean isMiso;
+ public int plpMode;
+ public byte plpId;
+ public byte plpGroupId;
+
+ @Override
+ public int getType() {
+ return TunerConstants.FRONTEND_TYPE_DVBT;
+ }
+ }
+
+ /**
+ * Frontend settings for ISDBS.
+ */
+ public static class FrontendIsdbsSettings extends FrontendSettings {
+ public int streamId;
+ public int streamIdType;
+ public int modulation;
+ public int coderate;
+ public int symbolRate;
+ public int rolloff;
+
+ @Override
+ public int getType() {
+ return TunerConstants.FRONTEND_TYPE_ISDBS;
+ }
+ }
+
+ /**
+ * Frontend settings for ISDBS-3.
+ */
+ public static class FrontendIsdbs3Settings extends FrontendSettings {
+ public int streamId;
+ public int streamIdType;
+ public int modulation;
+ public int coderate;
+ public int symbolRate;
+ public int rolloff;
+
+ @Override
+ public int getType() {
+ return TunerConstants.FRONTEND_TYPE_ISDBS3;
+ }
+ }
+
+ /**
+ * Frontend settings for ISDBT.
+ */
+ public static class FrontendIsdbtSettings extends FrontendSettings {
+ public int modulation;
+ public int bandwidth;
+ public int coderate;
+ public int guardInterval;
+ public int serviceAreaId;
+
+ @Override
+ public int getType() {
+ return TunerConstants.FRONTEND_TYPE_ISDBT;
+ }
+ }
+
+ /**
+ * PLP settings for ATSC-3.
+ */
+ public static class FrontendAtsc3PlpSettings {
+ public byte plpId;
+ public int modulation;
+ public int interleaveMode;
+ public int codeRate;
+ public int fec;
+ }
+
+ /**
+ * Code rate for DVBS.
+ */
+ public static class FrontendDvbsCodeRate {
+ public long fec;
+ public boolean isLinear;
+ public boolean isShortFrames;
+ public int bitsPer1000Symbol;
+ }
+}
diff --git a/media/java/android/media/tv/tuner/Tuner.java b/media/java/android/media/tv/tuner/Tuner.java
index c91325aa9a09..82cef2e43307 100644
--- a/media/java/android/media/tv/tuner/Tuner.java
+++ b/media/java/android/media/tv/tuner/Tuner.java
@@ -16,6 +16,7 @@
package android.media.tv.tuner;
+import android.annotation.NonNull;
import android.annotation.Nullable;
import android.media.tv.tuner.TunerConstants.DemuxPidType;
import android.os.Handler;
@@ -78,6 +79,7 @@ public final class Tuner implements AutoCloseable {
* Native method to open frontend of the given ID.
*/
private native Frontend nativeOpenFrontendById(int id);
+ private native int nativeTune(int type, FrontendSettings settings);
private native Filter nativeOpenFilter(int type, int subType, int bufferSize);
@@ -207,6 +209,13 @@ public final class Tuner implements AutoCloseable {
}
}
+ /**
+ * Tunes the frontend to using the settings given.
+ */
+ public int tune(@NonNull FrontendSettings settings) {
+ return nativeTune(settings.getType(), settings);
+ }
+
private List<Integer> getFrontendIds() {
mFrontendIds = nativeGetFrontendIds();
return mFrontendIds;
diff --git a/media/java/android/media/tv/tuner/TunerConstants.java b/media/java/android/media/tv/tuner/TunerConstants.java
index 01f9367dd4f3..458cb1678ded 100644
--- a/media/java/android/media/tv/tuner/TunerConstants.java
+++ b/media/java/android/media/tv/tuner/TunerConstants.java
@@ -75,6 +75,21 @@ final class TunerConstants {
public static final int DEMUX_T_PID = 1;
public static final int DEMUX_MMPT_PID = 2;
+ @IntDef({FRONTEND_SETTINGS_ANALOG, FRONTEND_SETTINGS_ATSC, FRONTEND_SETTINGS_ATSC3,
+ FRONTEND_SETTINGS_DVBS, FRONTEND_SETTINGS_DVBC, FRONTEND_SETTINGS_DVBT,
+ FRONTEND_SETTINGS_ISDBS, FRONTEND_SETTINGS_ISDBS3, FRONTEND_SETTINGS_ISDBT})
+ public @interface FrontendSettingsType {}
+
+ public static final int FRONTEND_SETTINGS_ANALOG = 1;
+ public static final int FRONTEND_SETTINGS_ATSC = 2;
+ public static final int FRONTEND_SETTINGS_ATSC3 = 3;
+ public static final int FRONTEND_SETTINGS_DVBS = 4;
+ public static final int FRONTEND_SETTINGS_DVBC = 5;
+ public static final int FRONTEND_SETTINGS_DVBT = 6;
+ public static final int FRONTEND_SETTINGS_ISDBS = 7;
+ public static final int FRONTEND_SETTINGS_ISDBS3 = 8;
+ public static final int FRONTEND_SETTINGS_ISDBT = 9;
+
private TunerConstants() {
}
}
diff --git a/media/jni/android_media_tv_Tuner.cpp b/media/jni/android_media_tv_Tuner.cpp
index f5202fc17f71..5216906d5ec5 100644
--- a/media/jni/android_media_tv_Tuner.cpp
+++ b/media/jni/android_media_tv_Tuner.cpp
@@ -31,6 +31,9 @@ using ::android::hardware::tv::tuner::V1_0::DemuxFilterMainType;
using ::android::hardware::tv::tuner::V1_0::DemuxMmtpPid;
using ::android::hardware::tv::tuner::V1_0::DemuxTpid;
using ::android::hardware::tv::tuner::V1_0::DemuxTsFilterType;
+using ::android::hardware::tv::tuner::V1_0::FrontendAnalogSettings;
+using ::android::hardware::tv::tuner::V1_0::FrontendAnalogSifStandard;
+using ::android::hardware::tv::tuner::V1_0::FrontendAnalogType;
using ::android::hardware::tv::tuner::V1_0::ITuner;
using ::android::hardware::tv::tuner::V1_0::Result;
@@ -263,6 +266,15 @@ jobject JTuner::openLnbById(int id) {
id);
}
+int JTuner::tune(const FrontendSettings& settings) {
+ if (mFe == NULL) {
+ ALOGE("frontend is not initialized");
+ return (int)Result::INVALID_STATE;
+ }
+ Result result = mFe->tune(settings);
+ return (int)result;
+}
+
bool JTuner::openDemux() {
if (mTuner == nullptr) {
return false;
@@ -417,6 +429,32 @@ static DemuxPid getDemuxPid(int pidType, int pid) {
return demuxPid;
}
+static FrontendSettings getFrontendSettings(JNIEnv *env, int type, jobject settings) {
+ FrontendSettings frontendSettings;
+ jclass clazz = env->FindClass("android/media/tv/tuner/FrontendSettings");
+ jfieldID freqField = env->GetFieldID(clazz, "frequency", "I");
+ uint32_t freq = static_cast<uint32_t>(env->GetIntField(clazz, freqField));
+
+ // TODO: handle the other 8 types of settings
+ if (type == 1) {
+ // analog
+ clazz = env->FindClass("android/media/tv/tuner/FrontendSettings$FrontendAnalogSettings");
+ FrontendAnalogType analogType =
+ static_cast<FrontendAnalogType>(
+ env->GetIntField(settings, env->GetFieldID(clazz, "mAnalogType", "I")));
+ FrontendAnalogSifStandard sifStandard =
+ static_cast<FrontendAnalogSifStandard>(
+ env->GetIntField(settings, env->GetFieldID(clazz, "mSifStandard", "I")));
+ FrontendAnalogSettings frontendAnalogSettings {
+ .frequency = freq,
+ .type = analogType,
+ .sifStandard = sifStandard,
+ };
+ frontendSettings.analog(frontendAnalogSettings);
+ }
+ return frontendSettings;
+}
+
static sp<IFilter> getFilter(JNIEnv *env, jobject filter) {
return (IFilter *)env->GetLongField(filter, gFields.filterContext);
}
@@ -476,6 +514,11 @@ static jobject android_media_tv_Tuner_open_frontend_by_id(JNIEnv *env, jobject t
return tuner->openFrontendById(id);
}
+static int android_media_tv_Tuner_tune(JNIEnv *env, jobject thiz, jint type, jobject settings) {
+ sp<JTuner> tuner = getTuner(env, thiz);
+ return tuner->tune(getFrontendSettings(env, type, settings));
+}
+
static jobject android_media_tv_Tuner_get_lnb_ids(JNIEnv *env, jobject thiz) {
sp<JTuner> tuner = getTuner(env, thiz);
return tuner->getLnbIds();
@@ -612,6 +655,8 @@ static const JNINativeMethod gTunerMethods[] = {
(void *)android_media_tv_Tuner_get_frontend_ids },
{ "nativeOpenFrontendById", "(I)Landroid/media/tv/tuner/Tuner$Frontend;",
(void *)android_media_tv_Tuner_open_frontend_by_id },
+ { "nativeTune", "(ILandroid/media/tv/tuner/FrontendSettings;)I",
+ (void *)android_media_tv_Tuner_tune },
{ "nativeOpenFilter", "(III)Landroid/media/tv/tuner/Tuner$Filter;",
(void *)android_media_tv_Tuner_open_filter },
{ "nativeGetLnbIds", "()Ljava/util/List;",
diff --git a/media/jni/android_media_tv_Tuner.h b/media/jni/android_media_tv_Tuner.h
index 3bf6ec84c8f7..f856791e2618 100644
--- a/media/jni/android_media_tv_Tuner.h
+++ b/media/jni/android_media_tv_Tuner.h
@@ -34,6 +34,7 @@ using ::android::hardware::tv::tuner::V1_0::FrontendEventType;
using ::android::hardware::tv::tuner::V1_0::FrontendId;
using ::android::hardware::tv::tuner::V1_0::FrontendScanMessage;
using ::android::hardware::tv::tuner::V1_0::FrontendScanMessageType;
+using ::android::hardware::tv::tuner::V1_0::FrontendSettings;
using ::android::hardware::tv::tuner::V1_0::IDemux;
using ::android::hardware::tv::tuner::V1_0::IDescrambler;
using ::android::hardware::tv::tuner::V1_0::IDvr;
@@ -95,6 +96,7 @@ struct JTuner : public RefBase {
sp<ITuner> getTunerService();
jobject getFrontendIds();
jobject openFrontendById(int id);
+ int tune(const FrontendSettings& settings);
jobject getLnbIds();
jobject openLnbById(int id);
jobject openFilter(DemuxFilterType type, int bufferSize);
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-11-25 00:11:43 +0000