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Merge "Implement Tuner.openLnbByName()" into rvc-dev

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This commit is contained in:
TreeHugger Robot
2020-03-11 03:01:41 +00:00
committed by Android (Google) Code Review
parent 09654a2e7b 757602f7ed
commit 735ed754b9
4 changed files with 92 additions and 6 deletions
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2
media/java/android/media/tv/tuner/Lnb.java
View File

@@ -156,7 +156,7 @@ public class Lnb implements AutoCloseable {
private long mNativeContext;
Lnb(int id) {
private Lnb(int id) {
mId = id;
}

53
media/java/android/media/tv/tuner/Tuner.java
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@@ -43,7 +43,11 @@ import android.media.tv.tuner.frontend.FrontendStatus;
import android.media.tv.tuner.frontend.FrontendStatus.FrontendStatusType;
import android.media.tv.tuner.frontend.OnTuneEventListener;
import android.media.tv.tuner.frontend.ScanCallback;
import android.media.tv.tunerresourcemanager.ResourceClientProfile;
import android.media.tv.tunerresourcemanager.TunerLnbRequest;
import android.media.tv.tunerresourcemanager.TunerResourceManager;
import android.os.Handler;
import android.os.HandlerExecutor;
import android.os.Looper;
import android.os.Message;
@@ -67,6 +71,7 @@ public class Tuner implements AutoCloseable {
private static final String TAG = "MediaTvTuner";
private static final boolean DEBUG = false;
private static final int MSG_RESOURCE_LOST = 1;
private static final int MSG_ON_FILTER_EVENT = 2;
private static final int MSG_ON_FILTER_STATUS = 3;
private static final int MSG_ON_LNB_EVENT = 4;
@@ -93,6 +98,8 @@ public class Tuner implements AutoCloseable {
}
private final Context mContext;
private final TunerResourceManager mTunerResourceManager;
private final int mClientId;
private List<Integer> mFrontendIds;
private Frontend mFrontend;
@@ -102,6 +109,7 @@ public class Tuner implements AutoCloseable {
private List<Integer> mLnbIds;
private Lnb mLnb;
private Integer mLnbId;
@Nullable
private OnTuneEventListener mOnTuneEventListener;
@Nullable
@@ -115,6 +123,15 @@ public class Tuner implements AutoCloseable {
@Nullable
private Executor mOnResourceLostListenerExecutor;
private final TunerResourceManager.ResourcesReclaimListener mResourceListener =
new TunerResourceManager.ResourcesReclaimListener() {
@Override
public void onReclaimResources() {
mHandler.sendMessage(mHandler.obtainMessage(MSG_RESOURCE_LOST));
}
};
/**
* Constructs a Tuner instance.
*
@@ -127,6 +144,14 @@ public class Tuner implements AutoCloseable {
@TvInputService.PriorityHintUseCaseType int useCase) {
nativeSetup();
mContext = context;
mTunerResourceManager = (TunerResourceManager)
context.getSystemService(Context.TV_TUNER_RESOURCE_MGR_SERVICE);
int[] clientId = new int[1];
ResourceClientProfile profile = new ResourceClientProfile(tvInputSessionId, useCase);
mTunerResourceManager.registerClientProfile(
profile, new HandlerExecutor(mHandler), mResourceListener, clientId);
mClientId = clientId[0];
}
/**
@@ -226,6 +251,7 @@ public class Tuner implements AutoCloseable {
private native List<Integer> nativeGetLnbIds();
private native Lnb nativeOpenLnbById(int id);
private native Lnb nativeOpenLnbByName(String name);
private native Descrambler nativeOpenDescrambler();
@@ -275,6 +301,14 @@ public class Tuner implements AutoCloseable {
}
break;
}
case MSG_RESOURCE_LOST: {
if (mOnResourceLostListener != null
&& mOnResourceLostListenerExecutor != null) {
mOnResourceLostListenerExecutor.execute(
() -> mOnResourceLostListener.onResourceLost(Tuner.this));
}
break;
}
default:
// fall through
}
@@ -698,7 +732,10 @@ public class Tuner implements AutoCloseable {
Objects.requireNonNull(executor, "executor must not be null");
Objects.requireNonNull(cb, "LnbCallback must not be null");
TunerUtils.checkTunerPermission(mContext);
return openLnbByName(null, executor, cb);
if (mLnbId == null && !requestLnb()) {
return null;
}
return nativeOpenLnbById(mLnbId);
}
/**
@@ -714,11 +751,21 @@ public class Tuner implements AutoCloseable {
@Nullable
public Lnb openLnbByName(@NonNull String name, @CallbackExecutor @NonNull Executor executor,
@NonNull LnbCallback cb) {
Objects.requireNonNull(name, "LNB name must not be null");
Objects.requireNonNull(executor, "executor must not be null");
Objects.requireNonNull(cb, "LnbCallback must not be null");
TunerUtils.checkTunerPermission(mContext);
// TODO: use resource manager to get LNB ID.
return new Lnb(0);
return nativeOpenLnbByName(name);
}
private boolean requestLnb() {
int[] lnbId = new int[1];
TunerLnbRequest request = new TunerLnbRequest(mClientId);
boolean granted = mTunerResourceManager.requestLnb(request, lnbId);
if (granted) {
mLnbId = lnbId[0];
}
return granted;
}
/**

42
media/jni/android_media_tv_Tuner.cpp
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@@ -1072,6 +1072,37 @@ jobject JTuner::openLnbById(int id) {
return lnbObj;
}
jobject JTuner::openLnbByName(jstring name) {
JNIEnv *env = AndroidRuntime::getJNIEnv();
std::string lnbName(env->GetStringUTFChars(name, nullptr));
sp<ILnb> iLnbSp;
Result res;
LnbId id;
mTuner->openLnbByName(lnbName, [&](Result r, LnbId lnbId, const sp<ILnb>& lnb) {
res = r;
iLnbSp = lnb;
id = lnbId;
});
if (res != Result::SUCCESS || iLnbSp == nullptr) {
ALOGE("Failed to open lnb");
return NULL;
}
mLnb = iLnbSp;
sp<LnbCallback> lnbCb = new LnbCallback(mObject, id);
mLnb->setCallback(lnbCb);
jobject lnbObj = env->NewObject(
env->FindClass("android/media/tv/tuner/Lnb"),
gFields.lnbInitID,
id);
sp<Lnb> lnbSp = new Lnb(iLnbSp, lnbObj);
lnbSp->incStrong(lnbObj);
env->SetLongField(lnbObj, gFields.lnbContext, (jlong) lnbSp.get());
return lnbObj;
}
int JTuner::tune(const FrontendSettings& settings) {
if (mFe == NULL) {
ALOGE("frontend is not initialized");
@@ -1872,8 +1903,7 @@ static void android_media_tv_Tuner_native_init(JNIEnv *env) {
jclass lnbClazz = env->FindClass("android/media/tv/tuner/Lnb");
gFields.lnbContext = env->GetFieldID(lnbClazz, "mNativeContext", "J");
gFields.lnbInitID =
env->GetMethodID(lnbClazz, "<init>", "(I)V");
gFields.lnbInitID = env->GetMethodID(lnbClazz, "<init>", "(I)V");
jclass filterClazz = env->FindClass("android/media/tv/tuner/filter/Filter");
gFields.filterContext = env->GetFieldID(filterClazz, "mNativeContext", "J");
@@ -1996,6 +2026,12 @@ static jobject android_media_tv_Tuner_open_lnb_by_id(JNIEnv *env, jobject thiz,
return tuner->openLnbById(id);
}
static jobject android_media_tv_Tuner_open_lnb_by_name(JNIEnv *env, jobject thiz, jstring name) {
sp<JTuner> tuner = getTuner(env, thiz);
return tuner->openLnbByName(name);
}
static jobject android_media_tv_Tuner_open_filter(
JNIEnv *env, jobject thiz, jint type, jint subType, jlong bufferSize) {
sp<JTuner> tuner = getTuner(env, thiz);
@@ -2888,6 +2924,8 @@ static const JNINativeMethod gTunerMethods[] = {
(void *)android_media_tv_Tuner_get_lnb_ids },
{ "nativeOpenLnbById", "(I)Landroid/media/tv/tuner/Lnb;",
(void *)android_media_tv_Tuner_open_lnb_by_id },
{ "nativeOpenLnbByName", "(Ljava/lang/String;)Landroid/media/tv/tuner/Lnb;",
(void *)android_media_tv_Tuner_open_lnb_by_name },
{ "nativeOpenDescrambler", "()Landroid/media/tv/tuner/Descrambler;",
(void *)android_media_tv_Tuner_open_descrambler },
{ "nativeOpenDvrRecorder", "(J)Landroid/media/tv/tuner/dvr/DvrRecorder;",

1
media/jni/android_media_tv_Tuner.h
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@@ -180,6 +180,7 @@ struct JTuner : public RefBase {
int setLna(bool enable);
jobject getLnbIds();
jobject openLnbById(int id);
jobject openLnbByName(jstring name);
jobject openFilter(DemuxFilterType type, int bufferSize);
jobject openTimeFilter();
jobject openDescrambler();