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Commit b80f31d8 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
Browse files

Merge "Tuner API: get resources from TRM" into rvc-dev am: 49797b6b am: 3c343063 

Change-Id: Ic833cbc14f65453a4544b462bac5f4556c63444e
parents 27a983b2 3c343063

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

+43 −45
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ 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.TunerFrontendRequest;

import android.media.tv.tunerresourcemanager.TunerLnbRequest;

import android.media.tv.tunerresourcemanager.TunerResourceManager;

import android.os.Handler;
@@ -195,15 +196,15 @@ public class Tuner implements AutoCloseable { 
    private final TunerResourceManager mTunerResourceManager;

    private final int mClientId;



    private List<Integer> mFrontendIds;

    private Frontend mFrontend;

    private EventHandler mHandler;

    @Nullable

    private FrontendInfo mFrontendInfo;

    private Integer mFrontendHandle;

    private int mFrontendType = FrontendSettings.TYPE_UNDEFINED;



    private List<Integer> mLnbIds;

    private Lnb mLnb;

    private Integer mLnbId;

    private Integer mLnbHandle;

    @Nullable

    private OnTuneEventListener mOnTuneEventListener;

    @Nullable
@@ -327,7 +328,7 @@ public class Tuner implements AutoCloseable { 
    /**

     * Native method to open frontend of the given ID.

     */

    private native Frontend nativeOpenFrontendById(int id);

    private native Frontend nativeOpenFrontendByHandle(int handle);

    private native int nativeTune(int type, FrontendSettings settings);

    private native int nativeStopTune();

    private native int nativeScan(int settingsType, FrontendSettings settings, int scanType);
@@ -344,7 +345,7 @@ public class Tuner implements AutoCloseable { 
    private native TimeFilter nativeOpenTimeFilter();



    private native List<Integer> nativeGetLnbIds();

    private native Lnb nativeOpenLnbById(int id);

    private native Lnb nativeOpenLnbByHandle(int handle);

    private native Lnb nativeOpenLnbByName(String name);



    private native Descrambler nativeOpenDescrambler();
@@ -476,7 +477,8 @@ public class Tuner implements AutoCloseable { 
    @RequiresPermission(android.Manifest.permission.ACCESS_TV_TUNER)

    @Result

    public int tune(@NonNull FrontendSettings settings) {

        TunerUtils.checkTunerPermission(mContext);

        mFrontendType = settings.getType();

        checkResource(TunerResourceManager.TUNER_RESOURCE_TYPE_FRONTEND);

        mFrontendInfo = null;

        return nativeTune(settings.getType(), settings);

    }
@@ -511,12 +513,13 @@ public class Tuner implements AutoCloseable { 
    @Result

    public int scan(@NonNull FrontendSettings settings, @ScanType int scanType,

            @NonNull @CallbackExecutor Executor executor, @NonNull ScanCallback scanCallback) {

        TunerUtils.checkTunerPermission(mContext);

        if (mScanCallback != null || mScanCallbackExecutor != null) {

            throw new IllegalStateException(

                    "Scan already in progress.  stopScan must be called before a new scan can be "

                            + "started.");

        }

        mFrontendType = settings.getType();

        checkResource(TunerResourceManager.TUNER_RESOURCE_TYPE_FRONTEND);

        mScanCallback = scanCallback;

        mScanCallbackExecutor = executor;

        mFrontendInfo = null;
@@ -544,6 +547,16 @@ public class Tuner implements AutoCloseable { 
        return retVal;

    }



    private boolean requestFrontend() {

        int[] feId = new int[1];

        TunerFrontendRequest request = new TunerFrontendRequest(mClientId, mFrontendType);

        boolean granted = mTunerResourceManager.requestFrontend(request, feId);

        if (granted) {

            mFrontendHandle = feId[0];

        }

        return granted;

    }



    /**

     * Sets Low-Noise Block downconverter (LNB) for satellite frontend.

     *
@@ -677,22 +690,6 @@ public class Tuner implements AutoCloseable { 
        return nativeGetDemuxCapabilities();

    }



    private List<Integer> getFrontendIds() {

        mFrontendIds = nativeGetFrontendIds();

        return mFrontendIds;

    }



    private Frontend openFrontendById(int id) {

        if (mFrontendIds == null) {

            mFrontendIds = getFrontendIds();

        }

        if (!mFrontendIds.contains(id)) {

            return null;

        }

        mFrontend = nativeOpenFrontendById(id);

        return mFrontend;

    }



    private void onFrontendEvent(int eventType) {

        if (mOnTunerEventExecutor != null && mOnTuneEventListener != null) {

            mOnTunerEventExecutor.execute(() -> mOnTuneEventListener.onTuneEvent(eventType));
@@ -829,11 +826,9 @@ public class Tuner implements AutoCloseable { 
    public Lnb openLnb(@CallbackExecutor @NonNull Executor executor, @NonNull LnbCallback cb) {

        Objects.requireNonNull(executor, "executor must not be null");

        Objects.requireNonNull(cb, "LnbCallback must not be null");

        TunerUtils.checkTunerPermission(mContext);

        if (mLnbId == null && !requestLnb()) {

            return null;

        }

        return nativeOpenLnbById(mLnbId);

        checkResource(TunerResourceManager.TUNER_RESOURCE_TYPE_LNB);

        // TODO: update JNI code for LNB handle,

        return nativeOpenLnbByHandle(mLnbHandle);

    }



    /**
@@ -861,7 +856,7 @@ public class Tuner implements AutoCloseable { 
        TunerLnbRequest request = new TunerLnbRequest(mClientId);

        boolean granted = mTunerResourceManager.requestLnb(request, lnbId);

        if (granted) {

            mLnbId = lnbId[0];

            mLnbHandle = lnbId[0];

        }

        return granted;

    }
@@ -876,22 +871,6 @@ public class Tuner implements AutoCloseable { 
        return nativeOpenTimeFilter();

    }



    private List<Integer> getLnbIds() {

        mLnbIds = nativeGetLnbIds();

        return mLnbIds;

    }



    private Lnb openLnbById(int id) {

        if (mLnbIds == null) {

            mLnbIds = getLnbIds();

        }

        if (!mLnbIds.contains(id)) {

            return null;

        }

        mLnb = nativeOpenLnbById(id);

        return mLnb;

    }



    private void onLnbEvent(int eventType) {

        if (mHandler != null) {

            mHandler.sendMessage(mHandler.obtainMessage(MSG_ON_LNB_EVENT, eventType, 0));
@@ -955,4 +934,23 @@ public class Tuner implements AutoCloseable { 
        DvrPlayback dvr = nativeOpenDvrPlayback(bufferSize);

        return dvr;

    }



    private boolean checkResource(int resourceType)  {

        // TODO: demux and descrambler

        switch (resourceType) {

            case TunerResourceManager.TUNER_RESOURCE_TYPE_FRONTEND: {

                if (mFrontendHandle == null && !requestFrontend()) {

                    return false;

                }

                break;

            }

            case TunerResourceManager.TUNER_RESOURCE_TYPE_LNB: {

                if (mLnbHandle == null && !requestLnb()) {

                    return false;

                }

                break;

            }

        }

        return true;

    }

}

media/java/android/media/tv/tunerresourcemanager/TunerResourceManager.java

+21 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
package android.media.tv.tunerresourcemanager;



import android.annotation.CallbackExecutor;

import android.annotation.IntDef;

import android.annotation.NonNull;

import android.annotation.Nullable;

import android.annotation.RequiresFeature;
@@ -27,6 +28,8 @@ import android.os.Binder; 
import android.os.RemoteException;

import android.util.Log;



import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.util.concurrent.Executor;



/**
@@ -61,6 +64,24 @@ public class TunerResourceManager { 
    private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);



    public static final int INVALID_RESOURCE_HANDLE = -1;

    /**

     * Tuner resource type to help generate resource handle

     */

    @IntDef({

        TUNER_RESOURCE_TYPE_FRONTEND,

        TUNER_RESOURCE_TYPE_DEMUX,

        TUNER_RESOURCE_TYPE_DESCRAMBLER,

        TUNER_RESOURCE_TYPE_LNB,

        TUNER_RESOURCE_TYPE_CAS_SESSION,

     })

    @Retention(RetentionPolicy.SOURCE)

    public @interface TunerResourceType {}



    public static final int TUNER_RESOURCE_TYPE_FRONTEND = 0;

    public static final int TUNER_RESOURCE_TYPE_DEMUX = 1;

    public static final int TUNER_RESOURCE_TYPE_DESCRAMBLER = 2;

    public static final int TUNER_RESOURCE_TYPE_LNB = 3;

    public static final int TUNER_RESOURCE_TYPE_CAS_SESSION = 4;



    private final ITunerResourceManager mService;

    private final int mUserId;

media/jni/android_media_tv_Tuner.cpp

+13 −6
Original line number Diff line number Diff line
@@ -1410,6 +1410,10 @@ static sp<IDescrambler> getDescrambler(JNIEnv *env, jobject descrambler) { 
    return (IDescrambler *)env->GetLongField(descrambler, gFields.descramblerContext);

}



static uint32_t getResourceIdFromHandle(jint handle) {

    return (handle & 0x00ff0000) >> 16;

}



static DemuxPid getDemuxPid(int pidType, int pid) {

    DemuxPid demuxPid;

    if ((int)pidType == 1) {
@@ -1968,8 +1972,10 @@ static jobject android_media_tv_Tuner_get_frontend_ids(JNIEnv *env, jobject thiz 
    return tuner->getFrontendIds();

}



static jobject android_media_tv_Tuner_open_frontend_by_id(JNIEnv *env, jobject thiz, jint id) {

static jobject android_media_tv_Tuner_open_frontend_by_handle(

        JNIEnv *env, jobject thiz, jint handle) {

    sp<JTuner> tuner = getTuner(env, thiz);

    uint32_t id = getResourceIdFromHandle(handle);

    return tuner->openFrontendById(id);

}
@@ -2045,8 +2051,9 @@ static jobject android_media_tv_Tuner_get_lnb_ids(JNIEnv *env, jobject thiz) { 
    return tuner->getLnbIds();

}



static jobject android_media_tv_Tuner_open_lnb_by_id(JNIEnv *env, jobject thiz, jint id) {

static jobject android_media_tv_Tuner_open_lnb_by_handle(JNIEnv *env, jobject thiz, jint handle) {

    sp<JTuner> tuner = getTuner(env, thiz);

    uint32_t id = getResourceIdFromHandle(handle);

    return tuner->openLnbById(id);

}
@@ -2924,8 +2931,8 @@ static const JNINativeMethod gTunerMethods[] = { 
    { "nativeSetup", "()V", (void *)android_media_tv_Tuner_native_setup },

    { "nativeGetFrontendIds", "()Ljava/util/List;",

            (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 },

    { "nativeOpenFrontendByHandle", "(I)Landroid/media/tv/tuner/Tuner$Frontend;",

            (void *)android_media_tv_Tuner_open_frontend_by_handle },

    { "nativeTune", "(ILandroid/media/tv/tuner/frontend/FrontendSettings;)I",

            (void *)android_media_tv_Tuner_tune },

    { "nativeStopTune", "()I", (void *)android_media_tv_Tuner_stop_tune },
@@ -2950,8 +2957,8 @@ static const JNINativeMethod gTunerMethods[] = { 
            (void *)android_media_tv_Tuner_open_time_filter },

    { "nativeGetLnbIds", "()Ljava/util/List;",

            (void *)android_media_tv_Tuner_get_lnb_ids },

    { "nativeOpenLnbById", "(I)Landroid/media/tv/tuner/Lnb;",

            (void *)android_media_tv_Tuner_open_lnb_by_id },

    { "nativeOpenLnbByHandle", "(I)Landroid/media/tv/tuner/Lnb;",

            (void *)android_media_tv_Tuner_open_lnb_by_handle },

    { "nativeOpenLnbByName", "(Ljava/lang/String;)Landroid/media/tv/tuner/Lnb;",

            (void *)android_media_tv_Tuner_open_lnb_by_name },

    { "nativeOpenDescrambler", "()Landroid/media/tv/tuner/Descrambler;",

services/core/java/com/android/server/tv/tunerresourcemanager/TunerResourceManagerService.java

+7 −27
Original line number Diff line number Diff line
@@ -16,7 +16,6 @@ 


package com.android.server.tv.tunerresourcemanager;



import android.annotation.IntDef;

import android.annotation.NonNull;

import android.annotation.Nullable;

import android.content.Context;
@@ -41,8 +40,6 @@ import com.android.internal.annotations.GuardedBy; 
import com.android.internal.annotations.VisibleForTesting;

import com.android.server.SystemService;



import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.util.HashMap;

import java.util.HashSet;

import java.util.Map;
@@ -79,25 +76,6 @@ public class TunerResourceManagerService extends SystemService { 
    // Used to synchronize the access to the service.

    private final Object mLock = new Object();



    /**

     * Tuner resource type to help generate resource handle

     */

    @IntDef({

        TUNER_RESOURCE_TYPE_FRONTEND,

        TUNER_RESOURCE_TYPE_DEMUX,

        TUNER_RESOURCE_TYPE_DESCRAMBLER,

        TUNER_RESOURCE_TYPE_LNB,

        TUNER_RESOURCE_TYPE_CAS_SESSION,

     })

    @Retention(RetentionPolicy.SOURCE)

    public @interface TunerResourceType {}



    public static final int TUNER_RESOURCE_TYPE_FRONTEND = 0;

    public static final int TUNER_RESOURCE_TYPE_DEMUX = 1;

    public static final int TUNER_RESOURCE_TYPE_DESCRAMBLER = 2;

    public static final int TUNER_RESOURCE_TYPE_LNB = 3;

    public static final int TUNER_RESOURCE_TYPE_CAS_SESSION = 4;



    public TunerResourceManagerService(@Nullable Context context) {

        super(context);

    }
@@ -465,7 +443,7 @@ public class TunerResourceManagerService extends SystemService { 
        // Grant frontend when there is unused resource.

        if (grantingFrontendId > -1) {

            frontendHandle[0] = generateResourceHandle(

                    TUNER_RESOURCE_TYPE_FRONTEND, grantingFrontendId);

                    TunerResourceManager.TUNER_RESOURCE_TYPE_FRONTEND, grantingFrontendId);

            updateFrontendClientMappingOnNewGrant(grantingFrontendId, request.getClientId());

            return true;

        }
@@ -474,7 +452,7 @@ public class TunerResourceManagerService extends SystemService { 
        // request client has higher priority.

        if (inUseLowestPriorityFrId > -1 && (requestClient.getPriority() > currentLowestPriority)) {

            frontendHandle[0] = generateResourceHandle(

                    TUNER_RESOURCE_TYPE_FRONTEND, inUseLowestPriorityFrId);

                    TunerResourceManager.TUNER_RESOURCE_TYPE_FRONTEND, inUseLowestPriorityFrId);

            reclaimFrontendResource(getFrontendResource(

                    inUseLowestPriorityFrId).getOwnerClientId());

            updateFrontendClientMappingOnNewGrant(inUseLowestPriorityFrId, request.getClientId());
@@ -489,7 +467,7 @@ public class TunerResourceManagerService extends SystemService { 
        if (DEBUG) {

            Slog.d(TAG, "requestDemux(request=" + request + ")");

        }

        demuxHandle[0] = generateResourceHandle(TUNER_RESOURCE_TYPE_DEMUX, 0);

        demuxHandle[0] = generateResourceHandle(TunerResourceManager.TUNER_RESOURCE_TYPE_DEMUX, 0);

        return true;

    }
@@ -498,7 +476,8 @@ public class TunerResourceManagerService extends SystemService { 
        if (DEBUG) {

            Slog.d(TAG, "requestDescrambler(request=" + request + ")");

        }

        descramblerHandle[0] = generateResourceHandle(TUNER_RESOURCE_TYPE_DESCRAMBLER, 0);

        descramblerHandle[0] =

                generateResourceHandle(TunerResourceManager.TUNER_RESOURCE_TYPE_DESCRAMBLER, 0);

        return true;

    }
@@ -664,7 +643,8 @@ public class TunerResourceManagerService extends SystemService { 
        return mClientProfiles.keySet().contains(clientId);

    }



    private int generateResourceHandle(@TunerResourceType int resourceType, int resourceId) {

    private int generateResourceHandle(

            @TunerResourceManager.TunerResourceType int resourceType, int resourceId) {

        return (resourceType & 0x000000ff) << 24

                | (resourceId << 16)

                | (mResourceRequestCount++ & 0xffff);