C++ (Cpp) DSCaptureDevice::setCallback示例

示例#1

文件： net_java_sip_communicator_impl_neomedia_directshow_DSCaptureDevice.cpp 项目： Echo-tcx/Jitsi

/**
 * \brief Set delegate.
 * \param env JNI environment
 * \param obj object
 * \param ptr native pointer on DSCaptureDevice
 * \param delegate delegate object
 */
JNIEXPORT void JNICALL Java_net_java_sip_communicator_impl_neomedia_directshow_DSCaptureDevice_setDelegate
  (JNIEnv* env, jobject obj, jlong ptr, jobject delegate)
{
    Grabber* grab = NULL;
    DSCaptureDevice* dev = reinterpret_cast<DSCaptureDevice*>(ptr);
    DSGrabberCallback* prev = dev->getCallback();

    if(delegate != NULL)
    {
        delegate = env->NewGlobalRef(delegate);
        if(delegate)
        {
            JavaVM* vm = NULL;
            /* get JavaVM */
            env->GetJavaVM(&vm);
            grab = new Grabber(vm, delegate, dev);
            dev->setCallback(grab);
        }
    }
    else
    {
        dev->setCallback(NULL);
    }

    if(prev)
    {
        jobject tmp_delegate = ((Grabber*)prev)->m_delegate;
        if(tmp_delegate)
        {
            env->DeleteGlobalRef(tmp_delegate);
        }
        delete prev;
    }
}

示例#2

文件： org_jitsi_impl_neomedia_jmfext_media_protocol_directshow_DSCaptureDevice.cpp 项目： Sts0mrg0/libjitsi

/**
 * \brief Set delegate.
 * \param env JNI environment
 * \param obj object
 * \param ptr native pointer on DSCaptureDevice
 * \param delegate delegate object
 */
JNIEXPORT void JNICALL Java_org_jitsi_impl_neomedia_jmfext_media_protocol_directshow_DSCaptureDevice_setDelegate
  (JNIEnv* env, jobject obj, jlong ptr, jobject delegate)
{
    SampleGrabberCB* grab = NULL;
    DSCaptureDevice* dev = reinterpret_cast<DSCaptureDevice*>(ptr);
    BasicSampleGrabberCB* prev = dev->getCallback();

    if(delegate != NULL)
    {
        delegate = env->NewGlobalRef(delegate);
        if(delegate)
        {
            JavaVM* vm = NULL;
            /* get JavaVM */
            env->GetJavaVM(&vm);
            grab = new SampleGrabberCB(vm, delegate, dev);
            dev->setCallback(grab);
        }
    }
    else
    {
        dev->setCallback(NULL);
    }

    if(prev)
    {
        jobject tmp_delegate = ((SampleGrabberCB *) prev)->_delegate;
        if(tmp_delegate)
            env->DeleteGlobalRef(tmp_delegate);
        delete prev;
    }
}