{"id":70186,"date":"2026-02-01T15:36:59","date_gmt":"2026-02-01T07:36:59","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/70186.html"},"modified":"2026-02-01T15:36:59","modified_gmt":"2026-02-01T07:36:59","slug":"%e5%9b%be%e5%83%8f%e6%98%be%e7%a4%ba%e6%a1%86%e6%9e%b6%e5%8d%81%e4%ba%8c-bufferqueue%e7%9a%84%e5%b7%a5%e4%bd%9c%e6%b5%81%e7%a8%8b%ef%bc%88%e5%9f%ba%e4%ba%8eandroid-15%e6%ba%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/70186.html","title":{"rendered":"\u56fe\u50cf\u663e\u793a\u6846\u67b6\u5341\u4e8c\u2014\u2014BufferQueue\u7684\u5de5\u4f5c\u6d41\u7a0b\uff08\u57fa\u4e8eAndroid 15\u6e90\u7801\u5206\u6790\uff09"},"content":{"rendered":"<\/p>\n

\u4e00.\u524d\u8a00<\/h2>\n

\u4e0a\u4e00\u7bc7\u4e2d，\u57fa\u672c\u8bf4\u6e05\u695a\u4e86\u751f\u4ea7\u7aef\u7684\u5904\u7406\u903b\u8f91，\u8fd9\u4e00\u7bc7，\u6211\u4eec\u6765\u68b3\u7406\u4e0b\u6d88\u8d39\u7aef\u7684\u903b\u8f91<\/p>\n

Consumer\u662f\u4ec0\u4e48\u65f6\u5019\u6765\u6d88\u8d39\u6570\u636e\u7684？\u4ed6\u662f\u81ea\u5df1\u6765\u62ff\u7684\u8fd8\u662f\u522b\u4eba\u901a\u77e5\u4ed6\u7684？<\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\u5c31\u5e26\u7740\u8fd9\u4e9b\u7591\u95ee\u6765\u5206\u6790\u6e90\u7801，\u518d\u628a\u6982\u8981\u6d41\u7a0b\u56fe\u8d34\u4e00\u4e0b<\/p>\n

\"\"<\/p>\n<\/p>\n

\u4e8c.\u76d1\u542c\u5668\u7684\u56de\u8c03\u8fc7\u7a0b\u89e3\u6790<\/h2>\n

\u6e90\u7801\u4f4d\u7f6e：<\/p>\n

framework\/native\/libs\/gui\/BufferQueueConsumer.cpp<\/p>\n

framework\/native\/libs\/gui\/include\/gui\/BufferQueueConsumer.h<\/p>\n

framework\/native\/libs\/gui\/ConsumerBase.cpp<\/p>\n

\u4e0a\u4e00\u7bc7\u8bf4\u5230\u751f\u4ea7\u8005\u5c06\u6570\u636e\u5199\u5b8c，\u628abuffer\u8fd8\u7ed9buffer queue\u540e，\u53c8\u662f\u600e\u4e48\u6765\u901a\u77e5\u6d88\u8d39\u8005\u7684\u5462？<\/p>\n

\u9996\u5148\u7ee7\u7eed\u8d34\u4e00\u4e0b\u4e0a\u4e00\u7bc7\u4e2d\u6700\u540e\u7684\u751f\u4ea7\u8005\u5c06buffer\u8fd8\u7ed9BufferQueue\u7684\u51fd\u6570BufferQueueProducer::queueBuffer<\/p>\n

\/\/ \u751f\u4ea7\u8005\u5c06\u5df2\u586b\u5145\u6570\u636e\u7684\u7f13\u51b2\u533a\u5165\u961f\u7684\u6838\u5fc3\u51fd\u6570
\n\/\/ \u8fd9\u662fBufferQueueProducer\u4e2d\u5904\u7406\u751f\u4ea7\u8005\u63d0\u4ea4\u5df2\u5b8c\u6210\u6e32\u67d3\u7684\u7f13\u51b2\u533a\u7684\u5173\u952e\u51fd\u6570
\nstatus_t BufferQueueProducer::queueBuffer(int slot, \/\/ \u7f13\u51b2\u533a\u69fd\u4f4d\u7d22\u5f15
\n const QueueBufferInput &input, \/\/ \u5165\u961f\u8f93\u5165\u53c2\u6570（\u5305\u542b\u65f6\u95f4\u6233\u3001\u88c1\u526a\u3001\u53d8\u6362\u7b49\u4fe1\u606f）
\n QueueBufferOutput *output) { \/\/ \u5165\u961f\u8f93\u51fa\u53c2\u6570（\u5305\u542b\u5e27\u53f7\u3001\u5c3a\u5bf8\u7b49\u4fe1\u606f）
\n ATRACE_CALL(); \/\/ \u5f00\u59cb\u6027\u80fd\u8ffd\u8e2a
\n ATRACE_BUFFER_INDEX(slot); \/\/ \u8ffd\u8e2a\u7279\u5b9a\u7f13\u51b2\u533a\u7684\u64cd\u4f5c<\/p>\n

\/\/ 1. \u4ece\u8f93\u5165\u53c2\u6570\u4e2d\u89e3\u6790\u5404\u79cd\u4fe1\u606f
\n int64_t requestedPresentTimestamp; \/\/ \u8bf7\u6c42\u663e\u793a\u65f6\u95f4\u6233
\n bool isAutoTimestamp; \/\/ \u662f\u5426\u81ea\u52a8\u751f\u6210\u65f6\u95f4\u6233
\n android_dataspace dataSpace; \/\/ \u6570\u636e\u7a7a\u95f4（\u989c\u8272\u7a7a\u95f4）
\n Rect crop(Rect::EMPTY_RECT); \/\/ \u88c1\u526a\u533a\u57df
\n int scalingMode; \/\/ \u7f29\u653e\u6a21\u5f0f
\n uint32_t transform; \/\/ \u53d8\u6362（\u65cb\u8f6c\u3001\u955c\u50cf\u7b49）
\n uint32_t stickyTransform; \/\/ \u7c98\u6027\u53d8\u6362（\u6301\u4e45\u5316\u7684\u53d8\u6362）
\n sp<Fence> acquireFence; \/\/ \u83b7\u53d6\u6805\u680f（\u751f\u4ea7\u8005\u5b8c\u6210\u6e32\u67d3\u7684\u540c\u6b65\u5bf9\u8c61）
\n bool getFrameTimestamps = false; \/\/ \u662f\u5426\u83b7\u53d6\u5e27\u65f6\u95f4\u6233<\/p>\n

\/\/ \u5c06input\u4e2d\u7684\u5404\u79cd\u53c2\u6570\u89e3\u538b\u5230\u5c40\u90e8\u53d8\u91cf
\n input.deflate(&requestedPresentTimestamp, &isAutoTimestamp, &dataSpace,
\n &crop, &scalingMode, &transform, &acquireFence, &stickyTransform,
\n &getFrameTimestamps);<\/p>\n

\/\/ \u83b7\u53d6\u8868\u9762\u635f\u574f\u533a\u57df\u548cHDR\u5143\u6570\u636e
\n const Region& surfaceDamage = input.getSurfaceDamage();
\n const HdrMetadata& hdrMetadata = input.getHdrMetadata();<\/p>\n

\/\/ 2. \u9a8c\u8bc1acquireFence\u662f\u5426\u6709\u6548（\u751f\u4ea7\u8005\u5fc5\u987b\u63d0\u4f9b\u6709\u6548\u7684\u6805\u680f）
\n if (acquireFence == nullptr) {
\n BQ_LOGE("queueBuffer: fence is NULL");
\n return BAD_VALUE; \/\/ \u8fd4\u56de\u53c2\u6570\u9519\u8bef
\n }<\/p>\n

\/\/ 3. \u521b\u5efaFenceTime\u5bf9\u8c61\u7528\u4e8e\u8ffd\u8e2a\u6805\u680f\u65f6\u95f4
\n auto acquireFenceTime = std::make_shared<FenceTime>(acquireFence);<\/p>\n

\/\/ 4. \u9a8c\u8bc1\u7f29\u653e\u6a21\u5f0f\u662f\u5426\u6709\u6548
\n switch (scalingMode) {
\n case NATIVE_WINDOW_SCALING_MODE_FREEZE:
\n case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW:
\n case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP:
\n case NATIVE_WINDOW_SCALING_MODE_NO_SCALE_CROP:
\n break; \/\/ \u6709\u6548\u7684\u7f29\u653e\u6a21\u5f0f
\n default:
\n BQ_LOGE("queueBuffer: unknown scaling mode %d", scalingMode);
\n return BAD_VALUE; \/\/ \u65e0\u6548\u7684\u7f29\u653e\u6a21\u5f0f
\n }<\/p>\n

\/\/ 5. \u5404\u79cd\u76d1\u542c\u5668\u548c\u72b6\u6001\u53d8\u91cf\u7684\u58f0\u660e
\n sp<IConsumerListener> frameAvailableListener; \/\/ \u5e27\u53ef\u7528\u76d1\u542c\u5668
\n sp<IConsumerListener> frameReplacedListener; \/\/ \u5e27\u66ff\u6362\u76d1\u542c\u5668
\n int callbackTicket = 0; \/\/ \u56de\u8c03\u7968\u53f7（\u7528\u4e8e\u4fdd\u8bc1\u56de\u8c03\u987a\u5e8f）
\n uint64_t currentFrameNumber = 0; \/\/ \u5f53\u524d\u5e27\u53f7
\n BufferItem item; \/\/ \u7f13\u51b2\u533a\u9879（\u5c06\u6dfb\u52a0\u5230\u961f\u5217）
\n int connectedApi; \/\/ \u8fde\u63a5\u7684API\u7c7b\u578b
\n sp<Fence> lastQueuedFence; \/\/ \u4e0a\u4e00\u6b21\u5165\u961f\u7684\u6805\u680f<\/p>\n

\/\/ 6. \u6838\u5fc3\u52a0\u9501\u8303\u56f4（\u4fdd\u62a4BufferQueue\u6838\u5fc3\u72b6\u6001）
\n {
\n std::lock_guard<std::mutex> lock(mCore->mMutex);<\/p>\n

\/\/ 6.1 \u68c0\u67e5BufferQueue\u662f\u5426\u88ab\u5e9f\u5f03
\n if (mCore->mIsAbandoned) {
\n BQ_LOGE("queueBuffer: BufferQueue has been abandoned");
\n return NO_INIT;
\n }<\/p>\n

\/\/ 6.2 \u68c0\u67e5\u751f\u4ea7\u8005\u662f\u5426\u5df2\u8fde\u63a5
\n if (mCore->mConnectedApi == BufferQueueCore::NO_CONNECTED_API) {
\n BQ_LOGE("queueBuffer: BufferQueue has no connected producer");
\n return NO_INIT;
\n }<\/p>\n

\/\/ 6.3 \u9a8c\u8bc1\u69fd\u4f4d\u7d22\u5f15\u6709\u6548\u6027
\n if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) {
\n BQ_LOGE("queueBuffer: slot index %d out of range [0, %d)",
\n slot, BufferQueueDefs::NUM_BUFFER_SLOTS);
\n return BAD_VALUE;
\n }
\n \/\/ 6.4 \u9a8c\u8bc1\u7f13\u51b2\u533a\u72b6\u6001\u5fc5\u987b\u662fDEQUEUED（\u5426\u5219\u751f\u4ea7\u8005\u65e0\u6743\u5165\u961f）
\n else if (!mSlots[slot].mBufferState.isDequeued()) {
\n BQ_LOGE("queueBuffer: slot %d is not owned by the producer "
\n "(state = %s)", slot, mSlots[slot].mBufferState.string());
\n return BAD_VALUE;
\n }
\n \/\/ 6.5 \u9a8c\u8bc1\u7f13\u51b2\u533a\u662f\u5426\u5df2\u901a\u8fc7requestBuffer\u5206\u914d
\n else if (!mSlots[slot].mRequestBufferCalled) {
\n BQ_LOGE("queueBuffer: slot %d was queued without requesting "
\n "a buffer", slot);
\n return BAD_VALUE;
\n }<\/p>\n

\/\/ 6.6 \u5171\u4eab\u7f13\u51b2\u533a\u6a21\u5f0f\u7279\u6b8a\u5904\u7406
\n \/\/ \u5982\u679c\u521a\u542f\u7528\u5171\u4eab\u7f13\u51b2\u533a\u6a21\u5f0f，\u6807\u8bb0\u7b2c\u4e00\u4e2a\u5165\u961f\u7684\u7f13\u51b2\u533a\u4e3a\u5171\u4eab\u7f13\u51b2\u533a
\n if (mCore->mSharedBufferMode && mCore->mSharedBufferSlot ==
\n BufferQueueCore::INVALID_BUFFER_SLOT) {
\n mCore->mSharedBufferSlot = slot;
\n mSlots[slot].mBufferState.mShared = true;
\n }<\/p>\n

\/\/ 6.7 \u8bb0\u5f55\u8be6\u7ec6\u7684\u5165\u961f\u65e5\u5fd7
\n BQ_LOGV("queueBuffer: slot=%d\/%" PRIu64 " time=%" PRIu64 " dataSpace=%d"
\n " validHdrMetadataTypes=0x%x crop=[%d,%d,%d,%d] transform=%#x scale=%s",
\n slot, mCore->mFrameCounter + 1, requestedPresentTimestamp, dataSpace,
\n hdrMetadata.validTypes, crop.left, crop.top, crop.right, crop.bottom,
\n transform,
\n BufferItem::scalingModeName(static_cast<uint32_t>(scalingMode)));<\/p>\n

\/\/ 6.8 \u83b7\u53d6\u56fe\u5f62\u7f13\u51b2\u533a\u5e76\u9a8c\u8bc1\u88c1\u526a\u533a\u57df
\n const sp<GraphicBuffer>& graphicBuffer(mSlots[slot].mGraphicBuffer);
\n Rect bufferRect(graphicBuffer->getWidth(), graphicBuffer->getHeight());
\n Rect croppedRect(Rect::EMPTY_RECT);
\n crop.intersect(bufferRect, &croppedRect);
\n if (croppedRect != crop) {
\n BQ_LOGE("queueBuffer: crop rect is not contained within the "
\n "buffer in slot %d", slot);
\n return BAD_VALUE;
\n }<\/p>\n

\/\/ 6.9 \u5982\u679c\u6570\u636e\u7a7a\u95f4\u4e3a\u672a\u77e5，\u4f7f\u7528\u6d88\u8d39\u8005\u9ed8\u8ba4\u503c
\n if (dataSpace == HAL_DATASPACE_UNKNOWN) {
\n dataSpace = mCore->mDefaultBufferDataSpace;
\n }<\/p>\n

\/\/ 6.10 \u66f4\u65b0\u7f13\u51b2\u533a\u72b6\u6001：\u4fdd\u5b58\u6805\u680f，\u6539\u53d8\u72b6\u6001\u4e3aQUEUED
\n mSlots[slot].mFence = acquireFence;
\n mSlots[slot].mBufferState.queue(); \/\/ \u72b6\u6001：DEQUEUED \u2192 QUEUED<\/p>\n

\/\/ 6.11 \u9012\u589e\u5e27\u8ba1\u6570\u5668\u5e76\u4fdd\u5b58\u5f53\u524d\u5e27\u53f7
\n ++mCore->mFrameCounter;
\n currentFrameNumber = mCore->mFrameCounter;
\n mSlots[slot].mFrameNumber = currentFrameNumber;<\/p>\n

\/\/ 6.12 \u51c6\u5907BufferItem（\u5c06\u6dfb\u52a0\u5230\u961f\u5217\u7684\u6570\u636e\u7ed3\u6784）
\n item.mAcquireCalled = mSlots[slot].mAcquireCalled;
\n item.mGraphicBuffer = mSlots[slot].mGraphicBuffer;
\n item.mCrop = crop;
\n item.mTransform = transform &
\n ~static_cast<uint32_t>(NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY);
\n item.mTransformToDisplayInverse =
\n (transform & NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY) != 0;
\n item.mScalingMode = static_cast<uint32_t>(scalingMode);
\n item.mTimestamp = requestedPresentTimestamp;
\n item.mIsAutoTimestamp = isAutoTimestamp;
\n item.mDataSpace = dataSpace;
\n item.mHdrMetadata = hdrMetadata;
\n item.mFrameNumber = currentFrameNumber;
\n item.mSlot = slot;
\n item.mFence = acquireFence;
\n item.mFenceTime = acquireFenceTime;<\/p>\n

\/\/ 6.13 \u5224\u65ad\u7f13\u51b2\u533a\u662f\u5426\u53ef\u4e22\u5f03（\u591a\u79cd\u6761\u4ef6）
\n item.mIsDroppable = mCore->mAsyncMode || \/\/ \u5f02\u6b65\u6a21\u5f0f
\n (mConsumerIsSurfaceFlinger && mCore->mQueueBufferCanDrop) || \/\/ SurfaceFlinger\u6d88\u8d39\u8005\u4e14\u5141\u8bb8\u4e22\u5f03
\n (mCore->mLegacyBufferDrop && mCore->mQueueBufferCanDrop) || \/\/ \u4f20\u7edf\u7f13\u51b2\u533a\u4e22\u5f03
\n (mCore->mSharedBufferMode && mCore->mSharedBufferSlot == slot); \/\/ \u5171\u4eab\u7f13\u51b2\u533a\u6a21\u5f0f<\/p>\n

item.mSurfaceDamage = surfaceDamage;
\n item.mQueuedBuffer = true;
\n item.mAutoRefresh = mCore->mSharedBufferMode && mCore->mAutoRefresh; \/\/ \u81ea\u52a8\u5237\u65b0（\u5171\u4eab\u7f13\u51b2\u533a）
\n item.mApi = mCore->mConnectedApi;<\/p>\n

\/\/ 6.14 \u4fdd\u5b58\u7c98\u6027\u53d8\u6362
\n mStickyTransform = stickyTransform;<\/p>\n

\/\/ 6.15 \u5982\u679c\u662f\u5171\u4eab\u7f13\u51b2\u533a\u6a21\u5f0f，\u7f13\u5b58\u5171\u4eab\u7f13\u51b2\u533a\u6570\u636e\u4ee5\u4fbf\u91cd\u5efaBufferItem
\n if (mCore->mSharedBufferMode) {
\n mCore->mSharedBufferCache.crop = crop;
\n mCore->mSharedBufferCache.transform = transform;
\n mCore->mSharedBufferCache.scalingMode = static_cast<uint32_t>(scalingMode);
\n mCore->mSharedBufferCache.dataspace = dataSpace;
\n }<\/p>\n

\/\/ 6.16 \u521d\u59cb\u5316\u8f93\u51fa\u53c2\u6570
\n output->bufferReplaced = false;<\/p>\n

\/\/ 6.17 \u961f\u5217\u5904\u7406\u903b\u8f91
\n if (mCore->mQueue.empty()) {
\n \/\/ \u961f\u5217\u4e3a\u7a7a：\u76f4\u63a5\u6dfb\u52a0\u7f13\u51b2\u533a\u9879
\n mCore->mQueue.push_back(item);
\n frameAvailableListener = mCore->mConsumerListener; \/\/ \u901a\u77e5\u6d88\u8d39\u8005\u6709\u65b0\u5e27\u53ef\u7528
\n } else {
\n \/\/ \u961f\u5217\u4e0d\u4e3a\u7a7a：\u68c0\u67e5\u662f\u5426\u9700\u8981\u66ff\u6362\u6700\u540e\u4e00\u5e27
\n const BufferItem& last = mCore->mQueue.itemAt(mCore->mQueue.size() – 1);
\n if (last.mIsDroppable) {
\n \/\/ \u6700\u540e\u4e00\u5e27\u53ef\u4e22\u5f03：\u66ff\u6362\u5b83
\n if (!last.mIsStale) {
\n \/\/ \u91ca\u653e\u88ab\u66ff\u6362\u7684\u7f13\u51b2\u533a\u72b6\u6001
\n mSlots[last.mSlot].mBufferState.freeQueued();<\/p>\n

\/\/ \u5171\u4eab\u7f13\u51b2\u533a\u6a21\u5f0f\u7279\u6b8a\u5904\u7406
\n if (!mCore->mSharedBufferMode &&
\n mSlots[last.mSlot].mBufferState.isFree()) {
\n mSlots[last.mSlot].mBufferState.mShared = false; \/\/ \u4e0d\u518d\u5171\u4eab
\n }<\/p>\n

\/\/ \u5982\u679c\u4e0d\u662f\u5171\u4eab\u7f13\u51b2\u533a，\u5c06\u5176\u52a0\u5165\u7a7a\u95f2\u7f13\u51b2\u533a\u5217\u8868
\n if (!mSlots[last.mSlot].mBufferState.isShared()) {
\n mCore->mActiveBuffers.erase(last.mSlot);
\n mCore->mFreeBuffers.push_back(last.mSlot);
\n output->bufferReplaced = true; \/\/ \u6807\u8bb0\u7f13\u51b2\u533a\u88ab\u66ff\u6362
\n }
\n }<\/p>\n

\/\/ \u5408\u5e76\u635f\u574f\u533a\u57df（\u5c06\u88ab\u4e22\u5f03\u5e27\u7684\u635f\u574f\u533a\u57df\u5408\u5e76\u5230\u65b0\u5e27）
\n if (last.mSurfaceDamage.bounds() == Rect::INVALID_RECT ||
\n item.mSurfaceDamage.bounds() == Rect::INVALID_RECT) {
\n item.mSurfaceDamage = Region::INVALID_REGION;
\n } else {
\n item.mSurfaceDamage |= last.mSurfaceDamage;
\n }<\/p>\n

\/\/ \u8986\u76d6\u53ef\u4e22\u5f03\u7684\u7f13\u51b2\u533a
\n mCore->mQueue.editItemAt(mCore->mQueue.size() – 1) = item;
\n frameReplacedListener = mCore->mConsumerListener; \/\/ \u901a\u77e5\u6d88\u8d39\u8005\u5e27\u88ab\u66ff\u6362
\n } else {
\n \/\/ \u6700\u540e\u4e00\u5e27\u4e0d\u53ef\u4e22\u5f03：\u6dfb\u52a0\u5230\u961f\u5217\u672b\u5c3e
\n mCore->mQueue.push_back(item);
\n frameAvailableListener = mCore->mConsumerListener; \/\/ \u901a\u77e5\u6d88\u8d39\u8005\u6709\u65b0\u5e27\u53ef\u7528
\n }
\n }<\/p>\n

\/\/ 6.18 \u66f4\u65b0BufferQueue\u72b6\u6001
\n mCore->mBufferHasBeenQueued = true; \/\/ \u6807\u8bb0\u5df2\u6709\u7f13\u51b2\u533a\u5165\u961f
\n mCore->mDequeueCondition.notify_all(); \/\/ \u5524\u9192\u7b49\u5f85\u51fa\u961f\u7684\u751f\u4ea7\u8005
\n mCore->mLastQueuedSlot = slot; \/\/ \u8bb0\u5f55\u6700\u540e\u5165\u961f\u7684\u69fd\u4f4d<\/p>\n

\/\/ 6.19 \u8bbe\u7f6e\u8f93\u51fa\u53c2\u6570
\n output->width = mCore->mDefaultWidth;
\n output->height = mCore->mDefaultHeight;
\n output->transformHint = mCore->mTransformHintInUse = mCore->mTransformHint;
\n output->numPendingBuffers = static_cast<uint32_t>(mCore->mQueue.size());
\n output->nextFrameNumber = mCore->mFrameCounter + 1;<\/p>\n

\/\/ 6.20 \u6027\u80fd\u8ffd\u8e2a\u548c\u5360\u7528\u7387\u8ffd\u8e2a
\n ATRACE_INT(mCore->mConsumerName.c_str(), static_cast<int32_t>(mCore->mQueue.size()));
\n#ifndef NO_BINDER
\n mCore->mOccupancyTracker.registerOccupancyChange(mCore->mQueue.size());
\n#endif<\/p>\n

\/\/ 6.21 \u83b7\u53d6\u56de\u8c03\u7968\u53f7（\u4fdd\u8bc1\u56de\u8c03\u987a\u5e8f）
\n callbackTicket = mNextCallbackTicket++;<\/p>\n

VALIDATE_CONSISTENCY(); \/\/ \u9a8c\u8bc1\u5185\u90e8\u4e00\u81f4\u6027<\/p>\n

\/\/ 6.22 \u4fdd\u5b58\u5c40\u90e8\u72b6\u6001\u4f9b\u9501\u5916\u4f7f\u7528
\n connectedApi = mCore->mConnectedApi;
\n lastQueuedFence = std::move(mLastQueueBufferFence);
\n mLastQueueBufferFence = std::move(acquireFence);
\n mLastQueuedCrop = item.mCrop;
\n mLastQueuedTransform = item.mTransform;
\n } \/\/ \u81ea\u52a8\u9501\u4f5c\u7528\u57df\u7ed3\u675f（\u91ca\u653e\u6838\u5fc3\u9501）<\/p>\n

\/\/ 7. \u5982\u679c\u4e0d\u662fSurfaceFlinger\u6d88\u8d39\u8005，\u6e05\u9664GraphicBuffer\u5f15\u7528
\n \/\/ SurfaceFlinger\u5728\u540c\u4e00\u8fdb\u7a0b，\u4e0d\u9700\u8981\u901a\u8fc7Binder\u4f20\u9012，\u53ef\u4ee5\u4fdd\u7559\u5f15\u7528
\n if (!mConsumerIsSurfaceFlinger) {
\n item.mGraphicBuffer.clear();
\n }<\/p>\n

\/\/ 8. \u66f4\u65b0\u5e27\u4e8b\u4ef6\u5386\u53f2
\n nsecs_t postedTime = systemTime(SYSTEM_TIME_MONOTONIC);
\n NewFrameEventsEntry newFrameEventsEntry = {
\n currentFrameNumber,
\n postedTime,
\n requestedPresentTimestamp,
\n std::move(acquireFenceTime)
\n };
\n addAndGetFrameTimestamps(&newFrameEventsEntry,
\n getFrameTimestamps ? &output->frameTimestamps : nullptr);<\/p>\n

\/\/ 9. \u56de\u8c03\u901a\u77e5（\u6301\u6709\u56de\u8c03\u9501\u4f46\u4e0d\u6301\u6709\u6838\u5fc3\u9501）
\n {
\n std::unique_lock<std::mutex> lock(mCallbackMutex);
\n \/\/ 9.1 \u7b49\u5f85\u8f6e\u5230\u81ea\u5df1\u8fdb\u884c\u56de\u8c03（\u786e\u4fdd\u56de\u8c03\u987a\u5e8f）
\n while (callbackTicket != mCurrentCallbackTicket) {
\n mCallbackCondition.wait(lock);
\n }<\/p>\n

\/\/ 9.2 \u6267\u884c\u56de\u8c03
\n if (frameAvailableListener != nullptr) {
\n frameAvailableListener->onFrameAvailable(item); \/\/ \u901a\u77e5\u65b0\u5e27\u53ef\u7528
\n } else if (frameReplacedListener != nullptr) {
\n frameReplacedListener->onFrameReplaced(item); \/\/ \u901a\u77e5\u5e27\u88ab\u66ff\u6362
\n }<\/p>\n

\/\/ 9.3 \u9012\u589e\u5f53\u524d\u56de\u8c03\u7968\u53f7，\u5524\u9192\u7b49\u5f85\u7684\u7ebf\u7a0b
\n ++mCurrentCallbackTicket;
\n mCallbackCondition.notify_all();
\n }<\/p>\n

\/\/ 10. EGL API\u7684\u7279\u6b8a\u5904\u7406：\u7b49\u5f85\u4e0a\u4e00\u4e2a\u5165\u961f\u7684\u6805\u680f
\n if (connectedApi == NATIVE_WINDOW_API_EGL) {
\n \/\/ \u8fd9\u91cc\u7b49\u5f85\u5141\u8bb8\u6392\u961f\u4e24\u4e2a\u5b8c\u6574\u7684\u7f13\u51b2\u533a，\u4f46\u4e0d\u5141\u8bb8\u7b2c\u4e09\u4e2a
\n \/\/ \u5728\u5e27\u65f6\u95f4\u53d8\u5316\u7684\u60c5\u51b5\u4e0b，\u8fd9\u79cd\u8bbe\u8ba1\u5728\u5ef6\u8fdf\u548c\u541e\u5410\u91cf\u4e4b\u95f4\u505a\u4e86\u4e00\u4e2a\u5c0f\u7684\u6743\u8861，\u504f\u5411\u4e8e\u5ef6\u8fdf
\n lastQueuedFence->waitForever("Throttling EGL Production");
\n }<\/p>\n

return NO_ERROR; \/\/ \u6210\u529f\u8fd4\u56de
\n}<\/p>\n

1.\u4e0a\u4e00\u7bc7\u4ecb\u7ecd\u751f\u4ea7\u8005\u5199\u5b8c\u6570\u636e\u8c03\u7528\u4e86BufferQueueProducer::queueBuffer\u5c06buffer\u5199\u5165\u961f\u5217\u4e2d<\/p>\n<\/p>\n

2.\u7136\u540e\u5728queueBuffer\u7684\u51fd\u6570\u4e2d\u76849.2\u6b65\u9aa4\u8c03\u7528\u4e86frameAvailableListener->onFrameAvailable(item);\u6b64\u5904\u5c31\u662f\u7528\u6765\u8fdb\u884c\u901a\u77e5\u6d88\u8d39\u8005\u7684\u56de\u8c03<\/p>\n<\/p>\n

3.\u7ee7\u7eed\u67e5\u770b\u4ee3\u7801frameAvailableListener\u662fmCore->mConsumerListener，\u4e5f\u5c31\u662fframeAvailableListener = mCore->mConsumerListener;<\/p>\n<\/p>\n

4. mCore\u5373\u4e3aBufferQueueCore, BufferQueueCore\u4e2d\u6709\u6210\u5458 sp mConsumerListener<\/p>\n

\"\"<\/p>\n

5.BufferQueueCore::mConsumerListener\u662f\u5728\u54ea\u91cc\u8bbe\u7f6e\u7684，\u662f\u4ec0\u4e48\u65f6\u5019\u8bbe\u7f6e\u7684<\/p>\n

\u2460.BufferQueueConsumer::connect\u4e2d\u8bbe\u7f6e<\/p>\n

\"\"<\/p>\n

\u2461.\u5728disconnect\u4e2d\u79fb\u9664<\/p>\n

\"\"<\/p>\n

\u524d\u9762\u4ecb\u7ecd\u8fc7，BufferQueueProducer\u548cBufferQueueConsumer\u662fBufferQueueCore\u7684\u53cb\u5143\u7c7b，\u6240\u4ee5\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5176\u79c1\u6709\u6210\u5458<\/p>\n<\/p>\n

6.BufferQueueConsumer::connect\u3001disconnect\u662f\u5728\u54ea\u91cc\u8c03\u7528\u7684？<\/p>\n

\u6211\u4eec\u6765\u770b\u4e0bBufferQueueConsumer.h\u4e2d\u7684\u4ee3\u7801，\u76f4\u63a5\u641c\u7d22connect\u548cdisconnect<\/p>\n

\"\"<\/p>\n

\u2460.consumerConnect\u4e2d\u8c03\u7528\u4e86connect\u51fd\u6570<\/p>\n

\u2461.consumerDisconnect\u4e2d\u8c03\u7528\u4e86disconnect\u51fd\u6570<\/p>\n<\/p>\n

7.\u8c01\u8c03\u7528\u4e86consumerConnect？<\/p>\n

\u5176\u5b9e\u5728ConsumerBase\u7c7b\u4e2d\u8c03\u7528\u7684，\u5982\u4e0b<\/p>\n

\"\"<\/p>\n

\u2460.\u53ef\u4ee5\u770b\u51fa\u6765\u5728ConsumerBase\u7684\u6784\u9020\u51fd\u6570\u4e2d\u8c03\u7528\u4e86mConsumer->consumerConnect(proxy, controlledByApp);<\/p>\n

\u2461.\u8fd9\u91cc\u7684mConsumer\u662fBLASTBufferQueue\u4e2d\u521b\u5efaBLASTBufferItemConsumer\u65f6\u4e00\u8def\u8bbe\u7f6e\u4e0b\u6765\u7684BufferQueueConsumer\u5bf9\u8c61；<\/p>\n<\/p>\n

8.\u8bbe\u7f6e\u7684\u662fListener\u662f\u4ece\u54ea\u91cc\u4f20\u9012\u8fc7\u6765\u7684？<\/p>\n

\u2460.\u7ee7\u627f\u5173\u7cfb\u56fe<\/p>\n

\"\"<\/p>\n

\u2461.BLASTBufferQueue\u7684\u6784\u9020\u51fd\u6570\u4e2d：<\/p>\n

\"\"<\/p>\n<\/p>\n

9.\u6240\u4ee5\u6839\u636e\u4e0a\u8ff0\u7684\u6d41\u7a0b\u5206\u6790，BufferQueueCore::mConsumerListener\u8bbe\u7f6e\u7684\u5c31\u662fConsumerBase\u7684\u5b9e\u4f8b<\/p>\n<\/p>\n

10.\u56e0\u6b64，frameAvailableListener->onFrameAvailable(item)\u56de\u8c03\u65f6，\u4f1a\u8d70\u5230ConsumerBase::onFrameAvailable\u4e2d<\/p>\n<\/p>\n

11.ConsumerBase::onFrameAvailable\u4e2d\u7ee7\u7eed\u8c03\u7528<\/p>\n

\u4f4d\u7f6e：framework\/native\/libs\/gui\/ConsumerBase.cpp<\/p>\n

void ConsumerBase::onFrameAvailable(const BufferItem& item) {
\n CB_LOGV("onFrameAvailable");<\/p>\n

sp<FrameAvailableListener> listener;
\n { \/\/ scope for the lock
\n Mutex::Autolock lock(mFrameAvailableMutex);
\n listener = mFrameAvailableListener.promote();
\n }<\/p>\n

if (listener != nullptr) {
\n CB_LOGV("actually calling onFrameAvailable");
\n listener->onFrameAvailable(item);
\n }
\n}<\/p>\n

12.ConsumerBase\u4e2d\u7684\u6210\u5458mFrameAvailableListener\u662f\u4ec0\u4e48<\/p>\n

\u2460.mFrameAvailableListener\u662f\u5728framework\/native\/libs\/gui\/include\/gui\/ConsumerBase.h\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0\u00a0\"\"<\/p>\n

\u2461.\u7136\u540e\u6211\u4eec\u7ee7\u7eed\u770b\u4e0b\u4e0a\u8ff0\u7684listener->onFrameAvailable\u8c03\u7528\u5230\u54ea\u91cc\u4e86，\u770b\u4e0b\u8bbe\u7f6emFrameAvailableListener\u7684\u4f4d\u7f6e<\/p>\n

\"\"<\/p>\n

\u6240\u4ee5\u662f\u901a\u8fc7\u8c03\u7528setFrameAvailableListener\u51fd\u6570\u8fdb\u884c\u8bbe\u7f6e\u7684，\u90a3\u6211\u4eec\u7ee7\u7eed\u770b\u8c01\u53bb\u8c03\u7528\u7684<\/p>\n

\u2462.\u5728BLASTBufferQueue\u7ee7\u627f\u81eaConsumerBase::FrameAvailableListener，\u5e76\u5b9e\u73b0onFrameAvailable\u65b9\u6cd5<\/p>\n

\u6e90\u7801\u4f4d\u7f6e：framework\/native\/libs\/gui\/include\/gui\/BLASTBufferQueue.h<\/p>\n

\"\"<\/p>\n

\u2463.\u5728BLASTBufferQueue\u7684\u6784\u9020\u51fd\u6570\u4e2d：mBufferItemConsumer->setFrameAvailableListener(this);<\/p>\n

\u6e90\u7801\u4f4d\u7f6e：framework\/native\/libs\/gui\/BLASTBufferQueue.cpp<\/p>\n

\"\"<\/p>\n

\u2464.\u7136\u540e\u5c31\u662f\u8c03\u7528\u5230\u4e0a\u9762\u8bf4\u7684ConsumerBase::setFrameAvailableListener\u51fd\u6570\u4e2d，\u6240\u4ee5ConsumerBase\u4e2d\u7684\u6210\u5458mFrameAvailableListener\u6307\u5411\u7684\u662fBLASTBufferQueue\u5b9e\u4f8b\u5bf9\u8c61<\/p>\n<\/p>\n

13.\u56e0\u6b64，\u56de\u8c03\u7684\u6d41\u7a0b\u8d70\u5230\u4e86BLASTBufferQueue::onFrameAvailable<\/p>\n

\/\/ BLASTBufferQueue \u7684\u5e27\u53ef\u7528\u56de\u8c03\u51fd\u6570
\n\/\/ \u5f53\u751f\u4ea7\u8005\u63d0\u4ea4\u65b0\u5e27（queueBuffer）\u65f6，\u6b64\u56de\u8c03\u88ab\u89e6\u53d1
\nvoid BLASTBufferQueue::onFrameAvailable(const BufferItem& item) {
\n \/\/ \u7528\u4e8e\u4fdd\u5b58\u524d\u4e00\u4e2a\u540c\u6b65\u4e8b\u52a1\u56de\u8c03\u7684\u4e34\u65f6\u53d8\u91cf
\n std::function<void(SurfaceComposerClient::Transaction*)> prevCallback = nullptr;
\n SurfaceComposerClient::Transaction* prevTransaction = nullptr;<\/p>\n

{
\n \/\/ 1. \u52a0\u9501\u4fdd\u62a4\u5171\u4eab\u72b6\u6001
\n UNIQUE_LOCK_WITH_ASSERTION(mMutex);
\n BBQ_TRACE(); \/\/ \u6027\u80fd\u8ddf\u8e2a\u6807\u8bb0<\/p>\n

\/\/ 2. \u68c0\u67e5\u662f\u5426\u9700\u8981\u7b49\u5f85\u4e8b\u52a1\u56de\u8c03
\n \/\/ \u5982\u679c mSyncedFrameNumbers \u975e\u7a7a，\u8868\u793a\u6709\u540c\u6b65\u4e8b\u52a1\u6b63\u5728\u7b49\u5f85\u56de\u8c03
\n bool waitForTransactionCallback = !mSyncedFrameNumbers.empty();<\/p>\n

\/\/ 3. \u68c0\u67e5\u662f\u5426\u6709\u540c\u6b65\u4e8b\u52a1\u8bbe\u7f6e
\n const bool syncTransactionSet = mTransactionReadyCallback != nullptr;
\n BQA_LOGV("onFrameAvailable-start syncTransactionSet=%s", boolToString(syncTransactionSet));<\/p>\n

\/\/ 4. \u540c\u6b65\u4e8b\u52a1\u7279\u6b8a\u5904\u7406
\n if (syncTransactionSet) {
\n \/\/ 4.1 \u5982\u679c\u5c06\u8981\u91cd\u7528\u540c\u4e00\u4e2a mSyncTransaction，\u5148\u91ca\u653e\u5df2\u8bbe\u7f6e\u7684\u7f13\u51b2\u533a
\n \/\/ \u8fd9\u662f\u4e3a\u4e86\u5c3d\u65e9\u83b7\u5f97\u7a7a\u95f2\u69fd\u4f4d，\u4ee5\u4fbf\u7ee7\u7eed\u5904\u7406\u65b0\u7f13\u51b2\u533a
\n if (!mAcquireSingleBuffer) {
\n auto bufferData = mSyncTransaction->getAndClearBuffer(mSurfaceControl);
\n if (bufferData) {
\n BQA_LOGD("Releasing previous buffer when syncing: framenumber=%" PRIu64,
\n bufferData->frameNumber);
\n \/\/ \u91ca\u653e\u4e4b\u524d\u7684\u7f13\u51b2\u533a
\n releaseBuffer(bufferData->generateReleaseCallbackId(),
\n bufferData->acquireFence);
\n }
\n }<\/p>\n

\/\/ 4.2 \u5904\u7406\u7b49\u5f85\u4e8b\u52a1\u56de\u8c03\u7684\u60c5\u51b5
\n if (waitForTransactionCallback) {
\n \/\/ \u6b63\u5728\u7b49\u5f85\u524d\u4e00\u4e2a\u540c\u6b65\u4e8b\u52a1\u7684\u56de\u8c03，\u5141\u8bb8\u53e6\u4e00\u4e2a\u540c\u6b65\u4e8b\u52a1\u7ee7\u7eed
\n \/\/ \u9700\u8981\u5148\u6e05\u9664\u4e24\u4e2a\u540c\u6b65\u4e4b\u95f4\u7684\u4e2d\u95f4\u4e8b\u52a1
\n \/\/ \u901a\u8fc7\u5c06\u5b83\u4eec\u5408\u5e76\u5230 mSyncTransaction \u4e2d，\u786e\u4fdd\u4efb\u4f55\u7f13\u51b2\u533a\u5408\u5e76\u90fd\u4f1a\u89e6\u53d1\u91ca\u653e\u56de\u8c03
\n while (mNumFrameAvailable > 0) {
\n \/\/ \u6e05\u7a7a\u5f71\u5b50\u961f\u5217
\n acquireAndReleaseBuffer();
\n }
\n } else {
\n \/\/ \u786e\u4fdd\u5728\u540c\u6b65\u4e4b\u524d\u5e27\u53ef\u7528\u8ba1\u6570\u4e3a0，\u4ee5\u786e\u4fdd\u6b63\u786e\u7684\u5e27\u7528\u4e8e\u540c\u6b65
\n \/\/ \u5982\u679c mNumFrameAvailable > 0，\u8bf4\u660e\u4e4b\u524d\u5df2\u7ecf\u7528\u5b8c\u4e86\u7f13\u51b2\u533a
\n \/\/ \u8fd9\u610f\u5473\u7740\u5728\u7ee7\u7eed\u540c\u6b65\u4e4b\u524d\u9700\u8981\u6e05\u7a7a\u7f13\u51b2\u533a
\n while (mNumFrameAvailable > 0) {
\n BQA_LOGD("waiting until no queued buffers");
\n mCallbackCV.wait(_lock);
\n }
\n }
\n }<\/p>\n

\/\/ 5. \u5c06\u65b0\u5e27\u6dfb\u52a0\u5230\u5f71\u5b50\u961f\u5217
\n mNumFrameAvailable++;<\/p>\n

\/\/ 6. \u7279\u6b8a\u5904\u7406：\u5982\u679c\u6b63\u5728\u7b49\u5f85\u4e8b\u52a1\u56de\u8c03\u4e14\u5df2\u6709\u591a\u4e2a\u5f85\u5904\u7406\u5e27
\n if (waitForTransactionCallback && mNumFrameAvailable >= 2) {
\n acquireAndReleaseBuffer();
\n }<\/p>\n

\/\/ 7. \u6027\u80fd\u8ffd\u8e2a：\u8bb0\u5f55\u5f53\u524d\u961f\u5217\u6df1\u5ea6
\n ATRACE_INT(mQueuedBufferTrace.c_str(),
\n mNumFrameAvailable + mNumAcquired – mPendingRelease.size());<\/p>\n

BQA_LOGV("onFrameAvailable framenumber=%" PRIu64 " syncTransactionSet=%s",
\n item.mFrameNumber, boolToString(syncTransactionSet));<\/p>\n

\/\/ 8. \u6839\u636e\u540c\u6b65\u4e8b\u52a1\u8bbe\u7f6e\u5904\u7406\u65b0\u5e27
\n if (syncTransactionSet) {
\n \/\/ 8.1 \u5728\u7b49\u5f85\u7a7a\u95f2\u7f13\u51b2\u533a\u4e4b\u524d\u6dfb\u52a0\u5230\u540c\u6b65\u5e27\u53f7\u96c6\u5408
\n \/\/ \u8fd9\u662f\u4e3a\u4e86\u9632\u6b62\u5728\u7b49\u5f85\u671f\u95f4\u91ca\u653e\u7684\u56de\u8c03\u5c1d\u8bd5\u83b7\u53d6\u7f13\u51b2\u533a
\n mSyncedFrameNumbers.emplace(item.mFrameNumber);<\/p>\n

\/\/ 8.2 \u7b49\u5f85\u53ef\u7528\u7f13\u51b2\u533a（\u540c\u6b65\u4e8b\u52a1\u4fdd\u8bc1\u83b7\u53d6\u7f13\u51b2\u533a）
\n while (acquireNextBufferLocked(mSyncTransaction) == BufferQueue::NO_BUFFER_AVAILABLE) {
\n BQA_LOGD("waiting for available buffer");
\n mCallbackCV.wait(_lock);
\n }<\/p>\n

\/\/ 8.3 \u6dfb\u52a0\u4e8b\u52a1\u63d0\u4ea4\u56de\u8c03，\u786e\u4fdd\u540c\u6b65\u7684\u7f13\u51b2\u533a\u5df2\u53d1\u9001\u5230 SurfaceFlinger
\n incStrong((void*)transactionCommittedCallbackThunk);
\n mSyncTransaction->addTransactionCommittedCallback(transactionCommittedCallbackThunk,
\n static_cast<void*>(this));<\/p>\n

\/\/ 8.4 \u5982\u679c\u53ea\u83b7\u53d6\u5355\u4e2a\u7f13\u51b2\u533a，\u4fdd\u5b58\u5f53\u524d\u56de\u8c03\u5e76\u91cd\u7f6e
\n if (mAcquireSingleBuffer) {
\n prevCallback = mTransactionReadyCallback;
\n prevTransaction = mSyncTransaction;
\n mTransactionReadyCallback = nullptr;
\n mSyncTransaction = nullptr;
\n }
\n } else if (!waitForTransactionCallback) {
\n \/\/ 9. \u975e\u540c\u6b65\u4e8b\u52a1\u6216\u4e0d\u9700\u8981\u7b49\u5f85\u56de\u8c03\u65f6，\u76f4\u63a5\u5c1d\u8bd5\u83b7\u53d6\u7f13\u51b2\u533a
\n acquireNextBufferLocked(std::nullopt);
\n }
\n } \/\/ \u81ea\u52a8\u91ca\u653e\u9501<\/p>\n

\/\/ 10. \u5728\u9501\u5916\u6267\u884c\u5148\u524d\u4fdd\u5b58\u7684\u56de\u8c03
\n if (prevCallback) {
\n prevCallback(prevTransaction);
\n }
\n}<\/p>\n

\u4e0a\u8ff0\u7684\u4ee3\u7801\u903b\u8f91\u5f88\u591a\u5f88\u957f，\u6211\u4eec\u91cd\u70b9\u67e5\u770b\u4e8b\u52a1\u76f8\u5173\u903b\u8f91，\u57288.2\u7684\u6d41\u7a0bacquireNextBufferLocked\u83b7\u53d6\u53ef\u7528\u7684\u7f13\u51b2\u533a(\u6b64\u5904\u5c31\u662f\u4e4b\u524d\u6d41\u7a0b\u56fe\u4e2dAndroid12\u7684acquireBuffer，\u4e0d\u8fc7\u5728Android15\u4e2d\u6d41\u7a0b\u6709\u6240\u4fee\u6539)，\u7136\u540e\u57288.3\u7684\u6b65\u9aa4\u4e2d\u6dfb\u52a0\u4e8b\u52a1\u56de\u8c03，\u901a\u8fc7\u00a0mSyncTransaction->addTransactionCommittedCallback(transactionCommittedCallbackThunk,
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 static_cast<void*>(this));\u5c06\u7f13\u5b58\u533a\u63d0\u4ea4\u7ed9SurfaceFlinger\u4e86<\/p>\n

\u4e0a\u8ff0\u7684\u6d41\u7a0b\u56fe\u5982\u4e0b：<\/p>\n

\"\"<\/p>\n<\/p>\n

\u4e09.\u603b\u7ed3<\/h2>\n

\u6838\u5fc3\u7ed3\u8bba：<\/h5>\n

\u6d88\u8d39\u8005\u5e76\u975e\u4e3b\u52a8\u8f6e\u8be2，\u800c\u662f\u901a\u8fc7\u4e00\u4e2a\u76d1\u542c\u5668\u56de\u8c03\u673a\u5236\u88ab\u88ab\u52a8\u901a\u77e5\u3002\u5f53\u751f\u4ea7\u8005\u5c06\u6e32\u67d3\u597d\u7684\u7f13\u51b2\u533a\u653e\u5165\u961f\u5217\u540e，\u4f1a\u89e6\u53d1\u4e00\u4e2a\u94fe\u5f0f\u56de\u8c03，\u6700\u7ec8\u901a\u77e5\u5230\u6d88\u8d39\u8005\u3002<\/p>\n

\u6d41\u7a0b\u56fe：<\/h5>\n

\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

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