status_t OMX::allocateNode(
const char *name, const sp<IOMXObserver> &observer, node_id *node) {
Mutex::Autolock autoLock(mLock);
*node = 0;
OMXNodeInstance *instance = new OMXNodeInstance(this, observer);
OMX_COMPONENTTYPE *handle;
OMX_ERRORTYPE err = mMaster->makeComponentInstance(
name, &OMXNodeInstance::kCallbacks,
instance, &handle);
if (err != OMX_ErrorNone) {
ALOGV("FAILED to allocate omx component '%s'", name);
instance->onGetHandleFailed();
return UNKNOWN_ERROR;
}
*node = makeNodeID(instance);
mDispatchers.add(*node, new CallbackDispatcher(instance));
instance->setHandle(*node, handle);
mLiveNodes.add(observer->asBinder(), instance);
observer->asBinder()->linkToDeath(this);
return OK;
}
status_t OMX::allocateNode(
const char *name, const sp<IOMXObserver> &observer, node_id *node) {
ALOGV("%s(%d) try mLock", __FUNCTION__, __LINE__);
Mutex::Autolock autoLock(mLock);
ALOGV("%s(%d) get mLock", __FUNCTION__, __LINE__);
*node = 0;
OMXNodeInstance *instance = new OMXNodeInstance(this, observer);
OMX_COMPONENTTYPE *handle;
#if 0//def CC_SUPPORT_MTK_ANDROID_RM
/* To unlock mLock is because preemption flow
might have allocateNode => callback (need held mlock)
It is ok because mLock seems to protect
mDispatchers, mLiveNodes, ...
check OMX::freeNode for reference
*/
mLock.unlock();
ALOGV("%s(%d) free mLock", __FUNCTION__, __LINE__);
#endif
OMX_ERRORTYPE err = mMaster->makeComponentInstance(
name, &OMXNodeInstance::kCallbacks,
instance, &handle);
#if 0//def CC_SUPPORT_MTK_ANDROID_RM
mLock.lock();
ALOGV("%s(%d) get mLock", __FUNCTION__, __LINE__);
#endif
if (err != OMX_ErrorNone) {
ALOGV("FAILED to allocate omx component '%s'", name);
instance->onGetHandleFailed();
ALOGV("%s(%d) free mLock", __FUNCTION__, __LINE__);
return UNKNOWN_ERROR;
}
*node = makeNodeID(instance);
mDispatchers.add(*node, new CallbackDispatcher(instance));
instance->setHandle(*node, handle);
mLiveNodes.add(observer->asBinder(), instance);
observer->asBinder()->linkToDeath(this);
ALOGV("%s(%d) free mLock", __FUNCTION__, __LINE__);
return OK;
}
