static jint
android_media_AudioEffect_native_getParameter(JNIEnv *env,
jobject thiz, int psize, jbyteArray pJavaParam,
jintArray pJavaValueSize, jbyteArray pJavaValue) {
// retrieve the AudioEffect object
jbyte* lpParam = NULL;
jbyte* lpValue = NULL;
jbyte* lpValueSize = NULL;
jint lStatus = AUDIOEFFECT_ERROR_BAD_VALUE;
effect_param_t *p;
int voffset;
AudioEffect* lpAudioEffect = (AudioEffect *) env->GetIntField(thiz,
fields.fidNativeAudioEffect);
if (lpAudioEffect == NULL) {
jniThrowException(env, "java/lang/IllegalStateException",
"Unable to retrieve AudioEffect pointer for getParameter()");
return AUDIOEFFECT_ERROR_NO_INIT;
}
if (psize == 0 || pJavaValueSize == NULL || pJavaParam == NULL || pJavaValue == NULL) {
return AUDIOEFFECT_ERROR_BAD_VALUE;
}
// get the pointer for the param from the java array
lpParam = (jbyte *) env->GetPrimitiveArrayCritical(pJavaParam, NULL);
if (lpParam == NULL) {
LOGE("getParameter: Error retrieving param pointer");
goto getParameter_Exit;
}
// get the pointer for the value from the java array
lpValue = (jbyte *) env->GetPrimitiveArrayCritical(pJavaValue, NULL);
if (lpValue == NULL) {
LOGE("getParameter: Error retrieving value pointer");
goto getParameter_Exit;
}
// get the pointer for the value size from the java array
lpValueSize = (jbyte *) env->GetPrimitiveArrayCritical(pJavaValueSize, NULL);
if (lpValueSize == NULL) {
LOGE("getParameter: Error retrieving value size pointer");
goto getParameter_Exit;
}
voffset = ((psize - 1) / sizeof(int) + 1) * sizeof(int);
p = (effect_param_t *) malloc(sizeof(effect_param_t) + voffset
+ lpValueSize[0]);
memcpy(p->data, lpParam, psize);
p->psize = psize;
p->vsize = lpValueSize[0];
lStatus = lpAudioEffect->getParameter(p);
if (lStatus == NO_ERROR) {
lStatus = p->status;
if (lStatus == NO_ERROR) {
memcpy(lpValue, p->data + voffset, p->vsize);
lpValueSize[0] = p->vsize;
}
}
free(p);
getParameter_Exit:
if (lpParam != NULL) {
env->ReleasePrimitiveArrayCritical(pJavaParam, lpParam, 0);
}
if (lpValue != NULL) {
env->ReleasePrimitiveArrayCritical(pJavaValue, lpValue, 0);
}
if (lpValueSize != NULL) {
env->ReleasePrimitiveArrayCritical(pJavaValueSize, lpValueSize, 0);
}
return translateError(lStatus);
}
//-----------------------------------------------------------------------------
float getParameterClass(AEffect *e, long index)
{
AudioEffect *ae = (AudioEffect *)(e->object);
return ae->getParameter(index);
}
//-------------------------------------------------------------------------------------------------------
float AudioEffect::getParameterClass (AEffect* e, VstInt32 index)
{
AudioEffect* ae = (AudioEffect*)(e->object);
return ae->getParameter (index);
}