C++ (Cpp) Visualizer::id Exemples

Exemple #1

Fichier : android_media_Visualizer.cpp Projet : SiliconAcid/android_frameworks_base

static jint
android_media_visualizer_native_setup(JNIEnv *env, jobject thiz, jobject weak_this,
        jint sessionId, jintArray jId)
{
    ALOGV("android_media_visualizer_native_setup");
    visualizerJniStorage* lpJniStorage = NULL;
    int lStatus = VISUALIZER_ERROR_NO_MEMORY;
    Visualizer* lpVisualizer = NULL;
    jint* nId = NULL;

    lpJniStorage = new visualizerJniStorage();
    if (lpJniStorage == NULL) {
        ALOGE("setup: Error creating JNI Storage");
        goto setup_failure;
    }

    lpJniStorage->mCallbackData.visualizer_class = (jclass)env->NewGlobalRef(fields.clazzEffect);
    // we use a weak reference so the Visualizer object can be garbage collected.
    lpJniStorage->mCallbackData.visualizer_ref = env->NewGlobalRef(weak_this);

    ALOGV("setup: lpJniStorage: %p visualizer_ref %p visualizer_class %p, &mCallbackData %p",
            lpJniStorage,
            lpJniStorage->mCallbackData.visualizer_ref,
            lpJniStorage->mCallbackData.visualizer_class,
            &lpJniStorage->mCallbackData);

    if (jId == NULL) {
        ALOGE("setup: NULL java array for id pointer");
        lStatus = VISUALIZER_ERROR_BAD_VALUE;
        goto setup_failure;
    }

    // create the native Visualizer object
    lpVisualizer = new Visualizer(0,
                                  android_media_visualizer_effect_callback,
                                  lpJniStorage,
                                  sessionId);
    if (lpVisualizer == NULL) {
        ALOGE("Error creating Visualizer");
        goto setup_failure;
    }

    lStatus = translateError(lpVisualizer->initCheck());
    if (lStatus != VISUALIZER_SUCCESS && lStatus != VISUALIZER_ERROR_ALREADY_EXISTS) {
        ALOGE("Visualizer initCheck failed %d", lStatus);
        goto setup_failure;
    }

    nId = (jint *) env->GetPrimitiveArrayCritical(jId, NULL);
    if (nId == NULL) {
        ALOGE("setup: Error retrieving id pointer");
        lStatus = VISUALIZER_ERROR_BAD_VALUE;
        goto setup_failure;
    }
    nId[0] = lpVisualizer->id();
    env->ReleasePrimitiveArrayCritical(jId, nId, 0);
    nId = NULL;

    env->SetLongField(thiz, fields.fidNativeVisualizer, (jlong)lpVisualizer);

    env->SetLongField(thiz, fields.fidJniData, (jlong)lpJniStorage);

    return VISUALIZER_SUCCESS;

    // failures:
setup_failure:

    if (nId != NULL) {
        env->ReleasePrimitiveArrayCritical(jId, nId, 0);
    }

    if (lpVisualizer) {
        delete lpVisualizer;
    }
    env->SetLongField(thiz, fields.fidNativeVisualizer, 0);

    if (lpJniStorage) {
        delete lpJniStorage;
    }
    env->SetLongField(thiz, fields.fidJniData, 0);

    return (jint) lStatus;
}