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Commit 13f15e0c authored by shubang's avatar shubang Committed by Shubang Lu
Browse files

Add Descrambler handling 

Test: make;
Change-Id: I9df9080c97a2e3bf706587a81400afdf954538fe
parent 2e951c12

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

+27 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
package android.media.tv.tuner;



import android.annotation.Nullable;

import android.media.tv.tuner.TunerConstants.DemuxPidType;

import android.os.Handler;

import android.os.Looper;

import android.os.Message;
@@ -83,6 +84,9 @@ public final class Tuner implements AutoCloseable { 
    private native List<Integer> nativeGetLnbIds();

    private native Lnb nativeOpenLnbById(int id);



    private native Descrambler nativeOpenDescrambler();





    /**

     * Frontend Callback.

     */
@@ -294,4 +298,27 @@ public final class Tuner implements AutoCloseable { 
            mHandler.sendMessage(mHandler.obtainMessage(MSG_ON_LNB_EVENT, eventType, 0));

        }

    }



    protected class Descrambler {

        private long mNativeContext;



        private native boolean nativeAddPid(int pidType, int pid, Filter filter);

        private native boolean nativeRemovePid(int pidType, int pid, Filter filter);



        private Descrambler() {}



        private boolean addPid(@DemuxPidType int pidType, int pid, Filter filter) {

            return nativeAddPid(pidType, pid, filter);

        }



        private boolean removePid(@DemuxPidType int pidType, int pid, Filter filter) {

            return nativeRemovePid(pidType, pid, filter);

        }



    }



    private Descrambler openDescrambler() {

        Descrambler descrambler = nativeOpenDescrambler();

        return descrambler;

    }

}

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

+8 −0
Original line number Diff line number Diff line
@@ -67,6 +67,14 @@ final class TunerConstants { 
    public static final int DATA_FORMAT_ES = Constants.DataFormat.ES;

    public static final int DATA_FORMAT_SHV_TLV = Constants.DataFormat.SHV_TLV;





    @Retention(RetentionPolicy.SOURCE)

    @IntDef({DEMUX_T_PID, DEMUX_MMPT_PID})

    public @interface DemuxPidType {}



    public static final int DEMUX_T_PID = 1;

    public static final int DEMUX_MMPT_PID = 2;



    private TunerConstants() {

    }

}

media/jni/android_media_tv_Tuner.cpp

+99 −6
Original line number Diff line number Diff line
@@ -28,19 +28,23 @@ 
using ::android::hardware::Void;

using ::android::hardware::hidl_vec;

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::ITuner;

using ::android::hardware::tv::tuner::V1_0::Result;



struct fields_t {

    jfieldID context;

    jfieldID tunerContext;

    jfieldID filterContext;

    jfieldID descramblerContext;

    jmethodID frontendInitID;

    jmethodID filterInitID;

    jmethodID onFrontendEventID;

    jmethodID onFilterStatusID;

    jmethodID lnbInitID;

    jmethodID onLnbEventID;

    jmethodID descramblerInitID;

};



static fields_t gFields;
@@ -258,6 +262,33 @@ bool JTuner::openDemux() { 
    return true;

}



jobject JTuner::openDescrambler() {

    ALOGD("JTuner::openDescrambler");

    if (mTuner == nullptr) {

        return NULL;

    }

    sp<IDescrambler> descramblerSp;

    mTuner->openDescrambler([&](Result, const sp<IDescrambler>& descrambler) {

        descramblerSp = descrambler;

    });



    if (descramblerSp == NULL) {

        return NULL;

    }



    JNIEnv *env = AndroidRuntime::getJNIEnv();

    jobject descramblerObj =

            env->NewObject(

                    env->FindClass("android/media/tv/tuner/Tuner$Descrambler"),

                    gFields.descramblerInitID,

                    mObject);



    descramblerSp->incStrong(descramblerObj);

    env->SetLongField(descramblerObj, gFields.descramblerContext, (jlong)descramblerSp.get());



    return descramblerObj;

}



jobject JTuner::openFilter(DemuxFilterType type, int bufferSize) {

    if (mDemux == NULL) {

        if (!openDemux()) {
@@ -303,7 +334,7 @@ jobject JTuner::openFilter(DemuxFilterType type, int bufferSize) { 
using namespace android;



static sp<JTuner> setTuner(JNIEnv *env, jobject thiz, const sp<JTuner> &tuner) {

    sp<JTuner> old = (JTuner *)env->GetLongField(thiz, gFields.context);

    sp<JTuner> old = (JTuner *)env->GetLongField(thiz, gFields.tunerContext);



    if (tuner != NULL) {

        tuner->incStrong(thiz);
@@ -311,13 +342,27 @@ static sp<JTuner> setTuner(JNIEnv *env, jobject thiz, const sp<JTuner> &tuner) { 
    if (old != NULL) {

        old->decStrong(thiz);

    }

    env->SetLongField(thiz, gFields.context, (jlong)tuner.get());

    env->SetLongField(thiz, gFields.tunerContext, (jlong)tuner.get());



    return old;

}



static sp<JTuner> getTuner(JNIEnv *env, jobject thiz) {

    return (JTuner *)env->GetLongField(thiz, gFields.context);

    return (JTuner *)env->GetLongField(thiz, gFields.tunerContext);

}



static sp<IDescrambler> getDescrambler(JNIEnv *env, jobject descrambler) {

    return (IDescrambler *)env->GetLongField(descrambler, gFields.descramblerContext);

}



static DemuxPid getDemuxPid(int pidType, int pid) {

    DemuxPid demuxPid;

    if ((int)pidType == 1) {

        demuxPid.tPid(static_cast<DemuxTpid>(pid));

    } else if ((int)pidType == 2) {

        demuxPid.mmtpPid(static_cast<DemuxMmtpPid>(pid));

    }

    return demuxPid;

}



static sp<IFilter> getFilter(JNIEnv *env, jobject filter) {
@@ -328,8 +373,8 @@ static void android_media_tv_Tuner_native_init(JNIEnv *env) { 
    jclass clazz = env->FindClass("android/media/tv/tuner/Tuner");

    CHECK(clazz != NULL);



    gFields.context = env->GetFieldID(clazz, "mNativeContext", "J");

    CHECK(gFields.context != NULL);

    gFields.tunerContext = env->GetFieldID(clazz, "mNativeContext", "J");

    CHECK(gFields.tunerContext != NULL);



    gFields.onFrontendEventID = env->GetMethodID(clazz, "onFrontendEvent", "(I)V");
@@ -349,6 +394,11 @@ static void android_media_tv_Tuner_native_init(JNIEnv *env) { 
            env->GetMethodID(filterClazz, "<init>", "(Landroid/media/tv/tuner/Tuner;I)V");

    gFields.onFilterStatusID =

            env->GetMethodID(filterClazz, "onFilterStatus", "(I)V");



    jclass descramblerClazz = env->FindClass("android/media/tv/tuner/Tuner$Descrambler");

    gFields.descramblerContext = env->GetFieldID(descramblerClazz, "mNativeContext", "J");

    gFields.descramblerInitID =

            env->GetMethodID(descramblerClazz, "<init>", "(Landroid/media/tv/tuner/Tuner;)V");

}



static void android_media_tv_Tuner_native_setup(JNIEnv *env, jobject thiz) {
@@ -416,6 +466,33 @@ static bool android_media_tv_Tuner_flush_filter(JNIEnv *env, jobject filter) { 
    return filterSp->flush() == Result::SUCCESS;

}



static jobject android_media_tv_Tuner_open_descrambler(JNIEnv *env, jobject thiz) {

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

    return tuner->openDescrambler();

}



static bool android_media_tv_Tuner_add_pid(

        JNIEnv *env, jobject descrambler, jint pidType, jint pid, jobject filter) {

    sp<IDescrambler> descramblerSp = getDescrambler(env, descrambler);

    if (descramblerSp == NULL) {

        return false;

    }

    sp<IFilter> filterSp = getFilter(env, filter);

    Result result = descramblerSp->addPid(getDemuxPid((int)pidType, (int)pid), filterSp);

    return result == Result::SUCCESS;

}



static bool android_media_tv_Tuner_remove_pid(

        JNIEnv *env, jobject descrambler, jint pidType, jint pid, jobject filter) {

    sp<IDescrambler> descramblerSp = getDescrambler(env, descrambler);

    if (descramblerSp == NULL) {

        return false;

    }

    sp<IFilter> filterSp = getFilter(env, filter);

    Result result = descramblerSp->removePid(getDemuxPid((int)pidType, (int)pid), filterSp);

    return result == Result::SUCCESS;

}



static const JNINativeMethod gTunerMethods[] = {

    { "nativeInit", "()V", (void *)android_media_tv_Tuner_native_init },

    { "nativeSetup", "()V", (void *)android_media_tv_Tuner_native_setup },
@@ -429,6 +506,8 @@ static const JNINativeMethod gTunerMethods[] = { 
            (void *)android_media_tv_Tuner_get_lnb_ids },

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

            (void *)android_media_tv_Tuner_open_lnb_by_id },

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

            (void *)android_media_tv_Tuner_open_descrambler },

};



static const JNINativeMethod gFilterMethods[] = {
@@ -437,6 +516,13 @@ static const JNINativeMethod gFilterMethods[] = { 
    { "nativeFlushFilter", "()Z", (void *)android_media_tv_Tuner_flush_filter },

};



static const JNINativeMethod gDescramblerMethods[] = {

    { "nativeAddPid", "(IILandroid/media/tv/tuner/Tuner$Filter;)Z",

            (void *)android_media_tv_Tuner_add_pid },

    { "nativeRemovePid", "(IILandroid/media/tv/tuner/Tuner$Filter;)Z",

            (void *)android_media_tv_Tuner_remove_pid },

};



static bool register_android_media_tv_Tuner(JNIEnv *env) {

    if (AndroidRuntime::registerNativeMethods(

            env, "android/media/tv/tuner/Tuner", gTunerMethods, NELEM(gTunerMethods)) != JNI_OK) {
@@ -450,6 +536,13 @@ static bool register_android_media_tv_Tuner(JNIEnv *env) { 
        ALOGE("Failed to register filter native methods");

        return false;

    }

    if (AndroidRuntime::registerNativeMethods(

            env, "android/media/tv/tuner/Tuner$Descrambler",

            gDescramblerMethods,

            NELEM(gDescramblerMethods)) != JNI_OK) {

        ALOGE("Failed to register descrambler native methods");

        return false;

    }

    return true;

}

media/jni/android_media_tv_Tuner.h

+3 −0
Original line number Diff line number Diff line
@@ -28,11 +28,13 @@ using ::android::hardware::hidl_vec; 
using ::android::hardware::tv::tuner::V1_0::DemuxFilterEvent;

using ::android::hardware::tv::tuner::V1_0::DemuxFilterStatus;

using ::android::hardware::tv::tuner::V1_0::DemuxFilterType;

using ::android::hardware::tv::tuner::V1_0::DemuxPid;

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::IDemux;

using ::android::hardware::tv::tuner::V1_0::IDescrambler;

using ::android::hardware::tv::tuner::V1_0::IFilter;

using ::android::hardware::tv::tuner::V1_0::IFilterCallback;

using ::android::hardware::tv::tuner::V1_0::IFrontend;
@@ -82,6 +84,7 @@ struct JTuner : public RefBase { 
    jobject getLnbIds();

    jobject openLnbById(int id);

    jobject openFilter(DemuxFilterType type, int bufferSize);

    jobject openDescrambler();



protected:

    bool openDemux();