C++ (Cpp) DSCaptureDevice::setFormat示例

示例#1

文件： org_jitsi_impl_neomedia_jmfext_media_protocol_directshow_DSCaptureDevice.cpp 项目： Sts0mrg0/libjitsi

/**
 * \brief Set format of native capture device.
 * \param env JNI environment
 * \param obj DSCaptureDevice object
 * \param ptr native pointer of DSCaptureDevice
 * \param format DSFormat to set
 */
JNIEXPORT jint JNICALL
Java_org_jitsi_impl_neomedia_jmfext_media_protocol_directshow_DSCaptureDevice_setFormat
    (JNIEnv* env, jobject obj, jlong ptr, jobject format)
{
    DSCaptureDevice* thiz = reinterpret_cast<DSCaptureDevice*>(ptr);
    jclass clazz = env->GetObjectClass(format);
    HRESULT hr;

    if (clazz)
    {
        jfieldID heightFieldID = env->GetFieldID(clazz, "height", "I");

        if (heightFieldID)
        {
            jfieldID widthFieldID = env->GetFieldID(clazz, "width", "I");

            if (widthFieldID)
            {
                jfieldID pixelFormatFieldID
                    = env->GetFieldID(clazz, "pixelFormat", "I");

                if (pixelFormatFieldID)
                {
                    DSFormat format_;

                    format_.height = env->GetIntField(format, heightFieldID);
                    format_.pixelFormat
                        = (DWORD)
                            (env->GetIntField(format, pixelFormatFieldID));
                    format_.width = env->GetIntField(format, widthFieldID);

                    hr = thiz->setFormat(format_);
                }
                else
                    hr = E_FAIL;
            }
            else
                hr = E_FAIL;
        }
        else
            hr = E_FAIL;
    }
    else
        hr = E_FAIL;
    return hr;
}

示例#2

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

/**
 * \brief Set format of native capture device.
 * \param env JNI environment
 * \param obj DSCaptureDevice object
 * \param ptr native pointer of DSCaptureDevice
 * \param format DSFormat to set
 */
JNIEXPORT void JNICALL Java_net_java_sip_communicator_impl_neomedia_directshow_DSCaptureDevice_setFormat
  (JNIEnv* env, jobject obj, jlong ptr, jobject format)
{
    DSCaptureDevice* dev = reinterpret_cast<DSCaptureDevice*>(ptr);
    VideoFormat fmt;
    jclass clazz = env->GetObjectClass(format);

    if(clazz)
    {
        jfieldID fieldH = env->GetFieldID(clazz, "height", "I");
        jfieldID fieldW = env->GetFieldID(clazz, "width", "I");
        jfieldID fieldF = env->GetFieldID(clazz, "pixelFormat", "J");
        jlong f = env->GetLongField(format, fieldF);
        jint w = env->GetIntField(format, fieldW);
        jint h = env->GetIntField(format, fieldH);

        fmt.width = w;
        fmt.height = h;
        fmt.pixelFormat = (unsigned long)f;

        dev->setFormat(fmt);
        dev->start();
    }
}