C++ (Cpp) Visualizer::getWaveForm Exemples

Exemple #1

Fichier : android_media_Visualizer.cpp Projet : SiliconAcid/android_frameworks_base

static jint
android_media_visualizer_native_getWaveForm(JNIEnv *env, jobject thiz, jbyteArray jWaveform)
{
    Visualizer* lpVisualizer = getVisualizer(env, thiz);
    if (lpVisualizer == NULL) {
        return VISUALIZER_ERROR_NO_INIT;
    }

    jbyte* nWaveform = (jbyte *) env->GetPrimitiveArrayCritical(jWaveform, NULL);
    if (nWaveform == NULL) {
        return VISUALIZER_ERROR_NO_MEMORY;
    }
    jint status = translateError(lpVisualizer->getWaveForm((uint8_t *)nWaveform));

    env->ReleasePrimitiveArrayCritical(jWaveform, nWaveform, 0);
    return status;
}