/**
* \brief Get formats supported by native capture device.
* \param env JNI environment
* \param obj DSCaptureDevice object
* \param ptr native pointer of DSCaptureDevice
* \return array of DSFormat object
*/
JNIEXPORT jobjectArray JNICALL Java_org_jitsi_impl_neomedia_jmfext_media_protocol_directshow_DSCaptureDevice_getSupportedFormats
(JNIEnv* env, jobject obj, jlong ptr)
{
jobjectArray ret = NULL;
DSCaptureDevice* dev = reinterpret_cast<DSCaptureDevice*>(ptr);
std::list<DSFormat> formats;
jclass clazzDSFormat = NULL;
jmethodID initDSFormat = NULL;
jsize i = 0;
/* get DSFormat class to instantiate some object */
clazzDSFormat = env->FindClass("org/jitsi/impl/neomedia/jmfext/media/protocol/directshow/DSFormat");
if(clazzDSFormat == NULL)
return NULL;
initDSFormat = env->GetMethodID(clazzDSFormat, "<init>", "(III)V");
if(initDSFormat == NULL)
return NULL;
formats = dev->getSupportedFormats();
ret = env->NewObjectArray(static_cast<jsize>(formats.size()), clazzDSFormat, NULL);
for(std::list<DSFormat>::iterator it = formats.begin() ; it != formats.end() ; ++it)
{
DSFormat tmp = (*it);
jobject o
= env->NewObject(
clazzDSFormat,
initDSFormat,
static_cast<jint>(tmp.width),
static_cast<jint>(tmp.height),
static_cast<jint>(tmp.pixelFormat));
if(o == NULL)
{
fprintf(stderr, "failed!!\n");
fflush(stderr);
}
else
{
env->SetObjectArrayElement(ret, i, o);
env->DeleteLocalRef(o);
i++;
}
}
return ret;
}
