mirror of
https://github.com/mozilla/gecko-dev.git
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702 lines
22 KiB
C++
702 lines
22 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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* Copyright (C) 2012-2013 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "base/basictypes.h"
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#include "mozilla/layers/ShadowLayers.h"
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#include "mozilla/layers/ShadowLayerUtilsGralloc.h"
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#include "mozilla/layers/ImageBridgeChild.h"
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#include "GonkNativeWindow.h"
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#include "nsDebug.h"
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/**
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* DOM_CAMERA_LOGI() is enabled in debug builds, and turned on by setting
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* NSPR_LOG_MODULES=Camera:N environment variable, where N >= 3.
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*
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* CNW_LOGE() is always enabled.
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*/
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#define CNW_LOGD(...) DOM_CAMERA_LOGI(__VA_ARGS__)
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#define CNW_LOGE(...) {(void)printf_stderr(__VA_ARGS__);}
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using namespace android;
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using namespace mozilla;
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using namespace mozilla::gfx;
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using namespace mozilla::layers;
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GonkNativeWindow::GonkNativeWindow() :
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mAbandoned(false),
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mDefaultWidth(1),
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mDefaultHeight(1),
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mPixelFormat(PIXEL_FORMAT_RGBA_8888),
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mBufferCount(MIN_BUFFER_SLOTS + 1),
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mConnectedApi(NO_CONNECTED_API),
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mFrameCounter(0),
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mGeneration(0),
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mNewFrameCallback(nullptr) {
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}
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GonkNativeWindow::~GonkNativeWindow() {
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nsAutoTArray<SurfaceDescriptor, NUM_BUFFER_SLOTS> freeList;
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freeAllBuffersLocked(freeList);
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releaseBufferFreeListUnlocked(freeList);
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}
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void GonkNativeWindow::abandon()
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{
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CNW_LOGD("abandon");
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nsAutoTArray<SurfaceDescriptor, NUM_BUFFER_SLOTS> freeList;
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{
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Mutex::Autolock lock(mMutex);
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mQueue.clear();
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mAbandoned = true;
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freeAllBuffersLocked(freeList);
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}
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releaseBufferFreeListUnlocked(freeList);
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mDequeueCondition.signal();
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}
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void GonkNativeWindow::freeAllBuffersLocked(nsTArray<SurfaceDescriptor>& freeList)
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{
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CNW_LOGD("freeAllBuffersLocked: from generation %d", mGeneration);
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++mGeneration;
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for (int i = 0; i < NUM_BUFFER_SLOTS; ++i) {
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if (mSlots[i].mGraphicBuffer != NULL) {
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// Don't try to destroy the gralloc buffer if it is still in the
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// video stream awaiting rendering.
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if (mSlots[i].mBufferState != BufferSlot::RENDERING) {
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SurfaceDescriptor* desc = freeList.AppendElement();
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*desc = mSlots[i].mSurfaceDescriptor;
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}
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mSlots[i].mGraphicBuffer = NULL;
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mSlots[i].mBufferState = BufferSlot::FREE;
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mSlots[i].mFrameNumber = 0;
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}
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}
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}
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void GonkNativeWindow::releaseBufferFreeListUnlocked(nsTArray<SurfaceDescriptor>& freeList)
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{
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// This function MUST ONLY be called with mMutex unlocked; else there
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// is a risk of deadlock with the ImageBridge thread.
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CNW_LOGD("releaseBufferFreeListUnlocked: E");
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ImageBridgeChild *ibc = ImageBridgeChild::GetSingleton();
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for (uint32_t i = 0; i < freeList.Length(); ++i) {
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ibc->DeallocSurfaceDescriptorGralloc(freeList[i]);
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}
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freeList.Clear();
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CNW_LOGD("releaseBufferFreeListUnlocked: X");
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}
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void GonkNativeWindow::clearRenderingStateBuffersLocked()
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{
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++mGeneration;
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CNW_LOGD("clearRenderingStateBuffersLocked: mGeneration=%d\n", mGeneration);
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for (int i = 0; i < NUM_BUFFER_SLOTS; ++i) {
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if (mSlots[i].mGraphicBuffer != NULL) {
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// Don't try to destroy the gralloc buffer if it is still in the
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// video stream awaiting rendering.
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if (mSlots[i].mBufferState == BufferSlot::RENDERING) {
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mSlots[i].mGraphicBuffer = NULL;
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mSlots[i].mBufferState = BufferSlot::FREE;
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mSlots[i].mFrameNumber = 0;
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}
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}
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}
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}
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status_t GonkNativeWindow::setBufferCount(int bufferCount)
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{
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CNW_LOGD("setBufferCount: count=%d", bufferCount);
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nsAutoTArray<SurfaceDescriptor, NUM_BUFFER_SLOTS> freeList;
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{
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Mutex::Autolock lock(mMutex);
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if (mAbandoned) {
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CNW_LOGE("setBufferCount: GonkNativeWindow has been abandoned!");
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return NO_INIT;
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}
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if (bufferCount > NUM_BUFFER_SLOTS) {
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CNW_LOGE("setBufferCount: bufferCount larger than slots available");
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return BAD_VALUE;
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}
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if (bufferCount < MIN_BUFFER_SLOTS) {
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CNW_LOGE("setBufferCount: requested buffer count (%d) is less than "
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"minimum (%d)", bufferCount, MIN_BUFFER_SLOTS);
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return BAD_VALUE;
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}
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// Error out if the user has dequeued buffers.
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for (int i=0 ; i<mBufferCount ; i++) {
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if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) {
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CNW_LOGE("setBufferCount: client owns some buffers");
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return -EINVAL;
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}
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}
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if (bufferCount >= mBufferCount) {
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mBufferCount = bufferCount;
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//clear only buffers in RENDERING state.
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clearRenderingStateBuffersLocked();
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mQueue.clear();
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mDequeueCondition.signal();
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return OK;
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}
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// here we're guaranteed that the client doesn't have dequeued buffers
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// and will release all of its buffer references.
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freeAllBuffersLocked(freeList);
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mBufferCount = bufferCount;
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mQueue.clear();
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mDequeueCondition.signal();
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}
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releaseBufferFreeListUnlocked(freeList);
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return OK;
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}
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status_t GonkNativeWindow::setDefaultBufferSize(uint32_t w, uint32_t h)
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{
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CNW_LOGD("setDefaultBufferSize: w=%d, h=%d", w, h);
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if (!w || !h) {
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CNW_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)",
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w, h);
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return BAD_VALUE;
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}
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Mutex::Autolock lock(mMutex);
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mDefaultWidth = w;
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mDefaultHeight = h;
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return OK;
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}
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status_t GonkNativeWindow::requestBuffer(int slot, sp<GraphicBuffer>* buf)
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{
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CNW_LOGD("requestBuffer: slot=%d", slot);
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Mutex::Autolock lock(mMutex);
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if (mAbandoned) {
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CNW_LOGE("requestBuffer: GonkNativeWindow has been abandoned!");
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return NO_INIT;
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}
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if (slot < 0 || mBufferCount <= slot) {
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CNW_LOGE("requestBuffer: slot index out of range [0, %d]: %d",
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mBufferCount, slot);
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return BAD_VALUE;
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}
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mSlots[slot].mRequestBufferCalled = true;
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*buf = mSlots[slot].mGraphicBuffer;
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return NO_ERROR;
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}
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status_t GonkNativeWindow::dequeueBuffer(int *outBuf, uint32_t w, uint32_t h,
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uint32_t format, uint32_t usage)
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{
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if ((w && !h) || (!w && h)) {
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CNW_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h);
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return BAD_VALUE;
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}
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status_t returnFlags(OK);
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bool updateFormat = false;
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uint32_t generation;
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bool alloc = false;
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int buf = INVALID_BUFFER_SLOT;
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SurfaceDescriptor descOld;
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{
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Mutex::Autolock lock(mMutex);
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generation = mGeneration;
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int found = -1;
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int dequeuedCount = 0;
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int renderingCount = 0;
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bool tryAgain = true;
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CNW_LOGD("dequeueBuffer: E");
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while (tryAgain) {
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if (mAbandoned) {
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CNW_LOGE("dequeueBuffer: GonkNativeWindow has been abandoned!");
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return NO_INIT;
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}
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// look for a free buffer to give to the client
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found = INVALID_BUFFER_SLOT;
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dequeuedCount = 0;
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renderingCount = 0;
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for (int i = 0; i < mBufferCount; i++) {
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const int state = mSlots[i].mBufferState;
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switch (state) {
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case BufferSlot::DEQUEUED:
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CNW_LOGD("dequeueBuffer: slot %d is DEQUEUED\n", i);
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dequeuedCount++;
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break;
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case BufferSlot::RENDERING:
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CNW_LOGD("dequeueBuffer: slot %d is RENDERING\n", i);
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renderingCount++;
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break;
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case BufferSlot::FREE:
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CNW_LOGD("dequeueBuffer: slot %d is FREE\n", i);
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/* We return the oldest of the free buffers to avoid
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* stalling the producer if possible. This is because
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* the consumer may still have pending reads of the
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* buffers in flight.
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*/
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if (found < 0 ||
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mSlots[i].mFrameNumber < mSlots[found].mFrameNumber) {
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found = i;
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}
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break;
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default:
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CNW_LOGD("dequeueBuffer: slot %d is %d\n", i, state);
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break;
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}
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}
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// See whether a buffer has been in RENDERING state since the last
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// setBufferCount so we know whether to perform the
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// MIN_UNDEQUEUED_BUFFERS check below.
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if (renderingCount > 0) {
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// make sure the client is not trying to dequeue more buffers
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// than allowed.
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const int avail = mBufferCount - (dequeuedCount + 1);
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if (avail < MIN_UNDEQUEUED_BUFFERS) {
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CNW_LOGE("dequeueBuffer: MIN_UNDEQUEUED_BUFFERS=%d exceeded "
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"(dequeued=%d)",
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MIN_UNDEQUEUED_BUFFERS,
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dequeuedCount);
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return -EBUSY;
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}
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}
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// we're in synchronous mode and didn't find a buffer, we need to
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// wait for some buffers to be consumed
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tryAgain = (found == INVALID_BUFFER_SLOT);
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if (tryAgain) {
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CNW_LOGD("dequeueBuffer: Try again");
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mDequeueCondition.wait(mMutex);
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CNW_LOGD("dequeueBuffer: Now");
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}
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}
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if (found == INVALID_BUFFER_SLOT) {
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// This should not happen.
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CNW_LOGE("dequeueBuffer: no available buffer slots");
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return -EBUSY;
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}
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buf = found;
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*outBuf = found;
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const bool useDefaultSize = !w && !h;
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if (useDefaultSize) {
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// use the default size
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w = mDefaultWidth;
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h = mDefaultHeight;
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}
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updateFormat = (format != 0);
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if (!updateFormat) {
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// keep the current (or default) format
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format = mPixelFormat;
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}
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mSlots[buf].mBufferState = BufferSlot::DEQUEUED;
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const sp<GraphicBuffer>& gbuf(mSlots[buf].mGraphicBuffer);
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alloc = (gbuf == NULL);
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if ((gbuf!=NULL) &&
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((uint32_t(gbuf->width) != w) ||
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(uint32_t(gbuf->height) != h) ||
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(uint32_t(gbuf->format) != format) ||
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((uint32_t(gbuf->usage) & usage) != usage))) {
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alloc = true;
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descOld = mSlots[buf].mSurfaceDescriptor;
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}
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}
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// At this point, the buffer is now marked DEQUEUED, and no one else
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// should touch it, except for freeAllBuffersLocked(); we handle that
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// after trying to create the surface descriptor below.
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//
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// So we don't need mMutex locked, which would otherwise run the risk
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// of a deadlock on calling AllocSurfaceDescriptorGralloc().
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SurfaceDescriptor desc;
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ImageBridgeChild* ibc = nullptr;
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sp<GraphicBuffer> graphicBuffer;
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if (alloc) {
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usage |= GraphicBuffer::USAGE_HW_TEXTURE;
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status_t error;
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ibc = ImageBridgeChild::GetSingleton();
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CNW_LOGD("dequeueBuffer: about to alloc surface descriptor");
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ibc->AllocSurfaceDescriptorGralloc(IntSize(w, h),
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format,
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usage,
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&desc);
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// We can only use a gralloc buffer here. If we didn't get
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// one back, something went wrong.
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CNW_LOGD("dequeueBuffer: got surface descriptor");
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if (SurfaceDescriptor::TSurfaceDescriptorGralloc != desc.type()) {
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MOZ_ASSERT(SurfaceDescriptor::T__None == desc.type());
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CNW_LOGE("dequeueBuffer: failed to alloc gralloc buffer");
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return -ENOMEM;
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}
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graphicBuffer = GrallocBufferActor::GetFrom(desc.get_SurfaceDescriptorGralloc());
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error = graphicBuffer->initCheck();
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if (error != NO_ERROR) {
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CNW_LOGE("dequeueBuffer: createGraphicBuffer failed with error %d", error);
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return error;
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}
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}
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bool tooOld = false;
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{
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Mutex::Autolock lock(mMutex);
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if (generation == mGeneration) {
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if (updateFormat) {
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mPixelFormat = format;
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}
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if (alloc) {
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mSlots[buf].mGraphicBuffer = graphicBuffer;
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mSlots[buf].mSurfaceDescriptor = desc;
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mSlots[buf].mSurfaceDescriptor.get_SurfaceDescriptorGralloc().external() = true;
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mSlots[buf].mRequestBufferCalled = false;
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returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION;
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}
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CNW_LOGD("dequeueBuffer: returning slot=%d buf=%p ", buf,
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mSlots[buf].mGraphicBuffer->handle);
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} else {
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tooOld = true;
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}
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}
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if (alloc && IsSurfaceDescriptorValid(descOld)) {
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ibc->DeallocSurfaceDescriptorGralloc(descOld);
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}
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if (alloc && tooOld) {
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ibc->DeallocSurfaceDescriptorGralloc(desc);
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}
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CNW_LOGD("dequeueBuffer: returning slot=%d buf=%p ", buf,
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mSlots[buf].mGraphicBuffer->handle );
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CNW_LOGD("dequeueBuffer: X");
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return returnFlags;
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}
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status_t GonkNativeWindow::setSynchronousMode(bool enabled)
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{
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return NO_ERROR;
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}
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int GonkNativeWindow::getSlotFromBufferLocked(
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android_native_buffer_t* buffer) const
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{
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if (buffer == NULL) {
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CNW_LOGE("getSlotFromBufferLocked: encountered NULL buffer");
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return BAD_VALUE;
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}
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for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
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if (mSlots[i].mGraphicBuffer != NULL && mSlots[i].mGraphicBuffer->handle == buffer->handle) {
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return i;
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}
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}
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CNW_LOGE("getSlotFromBufferLocked: unknown buffer: %p", buffer->handle);
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return BAD_VALUE;
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}
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mozilla::layers::SurfaceDescriptor *
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GonkNativeWindow::getSurfaceDescriptorFromBuffer(ANativeWindowBuffer* buffer)
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{
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int buf = getSlotFromBufferLocked(buffer);
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if (buf < 0 || buf >= mBufferCount ||
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mSlots[buf].mBufferState != BufferSlot::DEQUEUED) {
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return nullptr;
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}
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return &mSlots[buf].mSurfaceDescriptor;
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}
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status_t GonkNativeWindow::queueBuffer(int buf, int64_t timestamp,
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uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform)
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{
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{
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Mutex::Autolock lock(mMutex);
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CNW_LOGD("queueBuffer: E");
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CNW_LOGD("queueBuffer: buf=%d", buf);
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if (mAbandoned) {
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CNW_LOGE("queueBuffer: GonkNativeWindow has been abandoned!");
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return NO_INIT;
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}
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if (buf < 0 || buf >= mBufferCount) {
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CNW_LOGE("queueBuffer: slot index out of range [0, %d]: %d",
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mBufferCount, buf);
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return -EINVAL;
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} else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) {
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CNW_LOGE("queueBuffer: slot %d is not owned by the client "
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"(state=%d)", buf, mSlots[buf].mBufferState);
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return -EINVAL;
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} else if (!mSlots[buf].mRequestBufferCalled) {
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CNW_LOGE("queueBuffer: slot %d was enqueued without requesting a "
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"buffer", buf);
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return -EINVAL;
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}
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mQueue.push_back(buf);
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mSlots[buf].mBufferState = BufferSlot::QUEUED;
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mSlots[buf].mTimestamp = timestamp;
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mFrameCounter++;
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mSlots[buf].mFrameNumber = mFrameCounter;
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mDequeueCondition.signal();
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*outWidth = mDefaultWidth;
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*outHeight = mDefaultHeight;
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*outTransform = 0;
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}
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// OnNewFrame might call lockCurrentBuffer so we must release the
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// mutex first.
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if (mNewFrameCallback) {
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mNewFrameCallback->OnNewFrame();
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}
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CNW_LOGD("queueBuffer: X");
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return OK;
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}
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already_AddRefed<GraphicBufferLocked>
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GonkNativeWindow::getCurrentBuffer()
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{
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CNW_LOGD("GonkNativeWindow::getCurrentBuffer");
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Mutex::Autolock lock(mMutex);
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if (mAbandoned) {
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CNW_LOGE("getCurrentBuffer: GonkNativeWindow has been abandoned!");
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return NULL;
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}
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if(mQueue.empty()) {
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mDequeueCondition.signal();
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return nullptr;
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}
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Fifo::iterator front(mQueue.begin());
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int buf = *front;
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CNW_LOGD("getCurrentBuffer: buf=%d", buf);
|
|
|
|
mSlots[buf].mBufferState = BufferSlot::RENDERING;
|
|
|
|
nsRefPtr<GraphicBufferLocked> ret =
|
|
new CameraGraphicBuffer(this, buf, mGeneration, mSlots[buf].mSurfaceDescriptor);
|
|
mQueue.erase(front);
|
|
mDequeueCondition.signal();
|
|
return ret.forget();
|
|
}
|
|
|
|
bool
|
|
GonkNativeWindow::returnBuffer(uint32_t aIndex, uint32_t aGeneration)
|
|
{
|
|
CNW_LOGD("GonkNativeWindow::returnBuffer: slot=%d (generation=%d)", aIndex, aGeneration);
|
|
Mutex::Autolock lock(mMutex);
|
|
|
|
if (mAbandoned) {
|
|
CNW_LOGD("returnBuffer: GonkNativeWindow has been abandoned!");
|
|
return false;
|
|
}
|
|
|
|
if (aGeneration != mGeneration) {
|
|
CNW_LOGD("returnBuffer: buffer is from generation %d (current is %d)",
|
|
aGeneration, mGeneration);
|
|
return false;
|
|
}
|
|
if (static_cast<int>(aIndex) >= mBufferCount) {
|
|
CNW_LOGE("returnBuffer: slot index out of range [0, %d]: %d",
|
|
mBufferCount, aIndex);
|
|
return false;
|
|
}
|
|
if (mSlots[aIndex].mBufferState != BufferSlot::RENDERING) {
|
|
CNW_LOGE("returnBuffer: slot %d is not owned by the compositor (state=%d)",
|
|
aIndex, mSlots[aIndex].mBufferState);
|
|
return false;
|
|
}
|
|
|
|
mSlots[aIndex].mBufferState = BufferSlot::FREE;
|
|
mDequeueCondition.signal();
|
|
return true;
|
|
}
|
|
|
|
void GonkNativeWindow::cancelBuffer(int buf) {
|
|
CNW_LOGD("cancelBuffer: slot=%d", buf);
|
|
Mutex::Autolock lock(mMutex);
|
|
|
|
if (mAbandoned) {
|
|
CNW_LOGD("cancelBuffer: GonkNativeWindow has been abandoned!");
|
|
return;
|
|
}
|
|
|
|
if (buf < 0 || buf >= mBufferCount) {
|
|
CNW_LOGE("cancelBuffer: slot index out of range [0, %d]: %d",
|
|
mBufferCount, buf);
|
|
return;
|
|
} else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) {
|
|
CNW_LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)",
|
|
buf, mSlots[buf].mBufferState);
|
|
return;
|
|
}
|
|
mSlots[buf].mBufferState = BufferSlot::FREE;
|
|
mSlots[buf].mFrameNumber = 0;
|
|
mDequeueCondition.signal();
|
|
}
|
|
|
|
status_t GonkNativeWindow::setCrop(const Rect& crop) {
|
|
return OK;
|
|
}
|
|
|
|
status_t GonkNativeWindow::setTransform(uint32_t transform) {
|
|
return OK;
|
|
}
|
|
|
|
status_t GonkNativeWindow::connect(int api,
|
|
uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
|
|
CNW_LOGD("connect: api=%d", api);
|
|
Mutex::Autolock lock(mMutex);
|
|
|
|
if (mAbandoned) {
|
|
CNW_LOGE("connect: GonkNativeWindow has been abandoned!");
|
|
return NO_INIT;
|
|
}
|
|
|
|
int err = NO_ERROR;
|
|
switch (api) {
|
|
case NATIVE_WINDOW_API_EGL:
|
|
case NATIVE_WINDOW_API_CPU:
|
|
case NATIVE_WINDOW_API_MEDIA:
|
|
case NATIVE_WINDOW_API_CAMERA:
|
|
if (mConnectedApi != NO_CONNECTED_API) {
|
|
CNW_LOGE("connect: already connected (cur=%d, req=%d)",
|
|
mConnectedApi, api);
|
|
err = -EINVAL;
|
|
} else {
|
|
mConnectedApi = api;
|
|
*outWidth = mDefaultWidth;
|
|
*outHeight = mDefaultHeight;
|
|
*outTransform = 0;
|
|
}
|
|
break;
|
|
default:
|
|
err = -EINVAL;
|
|
break;
|
|
}
|
|
return err;
|
|
}
|
|
|
|
status_t GonkNativeWindow::disconnect(int api) {
|
|
CNW_LOGD("disconnect: api=%d", api);
|
|
|
|
int err = NO_ERROR;
|
|
nsAutoTArray<SurfaceDescriptor, NUM_BUFFER_SLOTS> freeList;
|
|
{
|
|
Mutex::Autolock lock(mMutex);
|
|
|
|
if (mAbandoned) {
|
|
// it is not really an error to disconnect after the surface
|
|
// has been abandoned, it should just be a no-op.
|
|
return NO_ERROR;
|
|
}
|
|
|
|
switch (api) {
|
|
case NATIVE_WINDOW_API_EGL:
|
|
case NATIVE_WINDOW_API_CPU:
|
|
case NATIVE_WINDOW_API_MEDIA:
|
|
case NATIVE_WINDOW_API_CAMERA:
|
|
if (mConnectedApi == api) {
|
|
mQueue.clear();
|
|
freeAllBuffersLocked(freeList);
|
|
mConnectedApi = NO_CONNECTED_API;
|
|
mDequeueCondition.signal();
|
|
} else {
|
|
CNW_LOGE("disconnect: connected to another api (cur=%d, req=%d)",
|
|
mConnectedApi, api);
|
|
err = -EINVAL;
|
|
}
|
|
break;
|
|
default:
|
|
CNW_LOGE("disconnect: unknown API %d", api);
|
|
err = -EINVAL;
|
|
break;
|
|
}
|
|
}
|
|
releaseBufferFreeListUnlocked(freeList);
|
|
return err;
|
|
}
|
|
|
|
status_t GonkNativeWindow::setScalingMode(int mode) {
|
|
return OK;
|
|
}
|
|
|
|
void GonkNativeWindow::setNewFrameCallback(
|
|
GonkNativeWindowNewFrameCallback* aCallback) {
|
|
CNW_LOGD("setNewFrameCallback");
|
|
Mutex::Autolock lock(mMutex);
|
|
mNewFrameCallback = aCallback;
|
|
}
|
|
|
|
int GonkNativeWindow::query(int what, int* outValue)
|
|
{
|
|
Mutex::Autolock lock(mMutex);
|
|
|
|
if (mAbandoned) {
|
|
CNW_LOGE("query: GonkNativeWindow has been abandoned!");
|
|
return NO_INIT;
|
|
}
|
|
|
|
int value;
|
|
switch (what) {
|
|
case NATIVE_WINDOW_WIDTH:
|
|
value = mDefaultWidth;
|
|
break;
|
|
case NATIVE_WINDOW_HEIGHT:
|
|
value = mDefaultHeight;
|
|
break;
|
|
case NATIVE_WINDOW_FORMAT:
|
|
value = mPixelFormat;
|
|
break;
|
|
case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS:
|
|
value = MIN_UNDEQUEUED_BUFFERS;
|
|
break;
|
|
default:
|
|
return BAD_VALUE;
|
|
}
|
|
outValue[0] = value;
|
|
return NO_ERROR;
|
|
}
|