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555 lines
20 KiB
555 lines
20 KiB
/*
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* Copyright (C) 2020 The Android Open Source Project
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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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#define LOG_TAG "ExtCamOfflnSsn@3.6"
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#define ATRACE_TAG ATRACE_TAG_CAMERA
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#include <android/log.h>
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#include <linux/videodev2.h>
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#include <sync/sync.h>
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#define HAVE_JPEG // required for libyuv.h to export MJPEG decode APIs
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#include <libyuv.h>
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#include <utils/Trace.h>
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#include "ExternalCameraOfflineSession.h"
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namespace {
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// Size of request/result metadata fast message queue. Change to 0 to always use hwbinder buffer.
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static constexpr size_t kMetadataMsgQueueSize = 1 << 18 /* 256kB */;
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} // anonymous namespace
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namespace android {
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namespace hardware {
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namespace camera {
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namespace device {
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namespace V3_6 {
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namespace implementation {
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// static instance
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HandleImporter ExternalCameraOfflineSession::sHandleImporter;
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using V3_5::implementation::ExternalCameraDeviceSession;
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ExternalCameraOfflineSession::ExternalCameraOfflineSession(
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const CroppingType& croppingType,
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const common::V1_0::helper::CameraMetadata& chars,
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const std::string& cameraId,
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const std::string& exifMake,
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const std::string& exifModel,
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const uint32_t blobBufferSize,
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const bool afTrigger,
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const hidl_vec<Stream>& offlineStreams,
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std::deque<std::shared_ptr<HalRequest>>& offlineReqs,
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const std::map<int, CirculatingBuffers>& circulatingBuffers) :
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mCroppingType(croppingType), mChars(chars), mCameraId(cameraId),
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mExifMake(exifMake), mExifModel(exifModel), mBlobBufferSize(blobBufferSize),
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mAfTrigger(afTrigger), mOfflineStreams(offlineStreams), mOfflineReqs(offlineReqs),
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mCirculatingBuffers(circulatingBuffers) {}
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ExternalCameraOfflineSession::~ExternalCameraOfflineSession() {
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close();
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}
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bool ExternalCameraOfflineSession::initialize() {
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mResultMetadataQueue = std::make_shared<ResultMetadataQueue>(
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kMetadataMsgQueueSize, false /* non blocking */);
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if (!mResultMetadataQueue->isValid()) {
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ALOGE("%s: invalid result fmq", __FUNCTION__);
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return true;
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}
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return false;
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}
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void ExternalCameraOfflineSession::initOutputThread() {
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if (mOutputThread != nullptr) {
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ALOGE("%s: OutputThread already exist!", __FUNCTION__);
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return;
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}
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mBufferRequestThread = new ExternalCameraDeviceSession::BufferRequestThread(
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this, mCallback);
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mBufferRequestThread->run("ExtCamBufReq", PRIORITY_DISPLAY);
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mOutputThread = new OutputThread(this, mCroppingType, mChars,
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mBufferRequestThread, mOfflineReqs);
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mOutputThread->setExifMakeModel(mExifMake, mExifModel);
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Size inputSize = { mOfflineReqs[0]->frameIn->mWidth, mOfflineReqs[0]->frameIn->mHeight};
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Size maxThumbSize = V3_4::implementation::getMaxThumbnailResolution(mChars);
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mOutputThread->allocateIntermediateBuffers(
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inputSize, maxThumbSize, mOfflineStreams, mBlobBufferSize);
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mOutputThread->run("ExtCamOfflnOut", PRIORITY_DISPLAY);
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}
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bool ExternalCameraOfflineSession::OutputThread::threadLoop() {
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auto parent = mParent.promote();
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if (parent == nullptr) {
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ALOGE("%s: session has been disconnected!", __FUNCTION__);
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return false;
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}
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if (mOfflineReqs.empty()) {
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ALOGI("%s: all offline requests are processed. Stopping.", __FUNCTION__);
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return false;
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}
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std::shared_ptr<HalRequest> req = mOfflineReqs.front();
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mOfflineReqs.pop_front();
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auto onDeviceError = [&](auto... args) {
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ALOGE(args...);
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parent->notifyError(
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req->frameNumber, /*stream*/-1, ErrorCode::ERROR_DEVICE);
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signalRequestDone();
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return false;
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};
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if (req->frameIn->mFourcc != V4L2_PIX_FMT_MJPEG && req->frameIn->mFourcc != V4L2_PIX_FMT_Z16) {
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return onDeviceError("%s: do not support V4L2 format %c%c%c%c", __FUNCTION__,
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req->frameIn->mFourcc & 0xFF,
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(req->frameIn->mFourcc >> 8) & 0xFF,
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(req->frameIn->mFourcc >> 16) & 0xFF,
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(req->frameIn->mFourcc >> 24) & 0xFF);
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}
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int res = requestBufferStart(req->buffers);
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if (res != 0) {
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ALOGE("%s: send BufferRequest failed! res %d", __FUNCTION__, res);
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return onDeviceError("%s: failed to send buffer request!", __FUNCTION__);
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}
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std::unique_lock<std::mutex> lk(mBufferLock);
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// Convert input V4L2 frame to YU12 of the same size
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// TODO: see if we can save some computation by converting to YV12 here
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uint8_t* inData;
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size_t inDataSize;
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if (req->frameIn->getData(&inData, &inDataSize) != 0) {
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lk.unlock();
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return onDeviceError("%s: V4L2 buffer map failed", __FUNCTION__);
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}
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// TODO: in some special case maybe we can decode jpg directly to gralloc output?
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if (req->frameIn->mFourcc == V4L2_PIX_FMT_MJPEG) {
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ATRACE_BEGIN("MJPGtoI420");
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int res = libyuv::MJPGToI420(
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inData, inDataSize, static_cast<uint8_t*>(mYu12FrameLayout.y), mYu12FrameLayout.yStride,
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static_cast<uint8_t*>(mYu12FrameLayout.cb), mYu12FrameLayout.cStride,
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static_cast<uint8_t*>(mYu12FrameLayout.cr), mYu12FrameLayout.cStride,
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mYu12Frame->mWidth, mYu12Frame->mHeight, mYu12Frame->mWidth, mYu12Frame->mHeight);
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ATRACE_END();
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if (res != 0) {
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// For some webcam, the first few V4L2 frames might be malformed...
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ALOGE("%s: Convert V4L2 frame to YU12 failed! res %d", __FUNCTION__, res);
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lk.unlock();
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Status st = parent->processCaptureRequestError(req);
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if (st != Status::OK) {
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return onDeviceError("%s: failed to process capture request error!", __FUNCTION__);
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}
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signalRequestDone();
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return true;
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}
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}
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ATRACE_BEGIN("Wait for BufferRequest done");
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res = waitForBufferRequestDone(&req->buffers);
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ATRACE_END();
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if (res != 0) {
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ALOGE("%s: wait for BufferRequest done failed! res %d", __FUNCTION__, res);
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lk.unlock();
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return onDeviceError("%s: failed to process buffer request error!", __FUNCTION__);
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}
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ALOGV("%s processing new request", __FUNCTION__);
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const int kSyncWaitTimeoutMs = 500;
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for (auto& halBuf : req->buffers) {
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if (*(halBuf.bufPtr) == nullptr) {
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ALOGW("%s: buffer for stream %d missing", __FUNCTION__, halBuf.streamId);
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halBuf.fenceTimeout = true;
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} else if (halBuf.acquireFence >= 0) {
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int ret = sync_wait(halBuf.acquireFence, kSyncWaitTimeoutMs);
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if (ret) {
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halBuf.fenceTimeout = true;
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} else {
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::close(halBuf.acquireFence);
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halBuf.acquireFence = -1;
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}
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}
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if (halBuf.fenceTimeout) {
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continue;
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}
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// Gralloc lockYCbCr the buffer
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switch (halBuf.format) {
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case PixelFormat::BLOB: {
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int ret = createJpegLocked(halBuf, req->setting);
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if(ret != 0) {
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lk.unlock();
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return onDeviceError("%s: createJpegLocked failed with %d",
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__FUNCTION__, ret);
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}
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} break;
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case PixelFormat::Y16: {
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void* outLayout = sHandleImporter.lock(*(halBuf.bufPtr), halBuf.usage, inDataSize);
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std::memcpy(outLayout, inData, inDataSize);
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int relFence = sHandleImporter.unlock(*(halBuf.bufPtr));
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if (relFence >= 0) {
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halBuf.acquireFence = relFence;
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}
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} break;
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case PixelFormat::YCBCR_420_888:
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case PixelFormat::YV12: {
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IMapper::Rect outRect {0, 0,
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static_cast<int32_t>(halBuf.width),
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static_cast<int32_t>(halBuf.height)};
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YCbCrLayout outLayout = sHandleImporter.lockYCbCr(
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*(halBuf.bufPtr), halBuf.usage, outRect);
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ALOGV("%s: outLayout y %p cb %p cr %p y_str %d c_str %d c_step %d",
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__FUNCTION__, outLayout.y, outLayout.cb, outLayout.cr,
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outLayout.yStride, outLayout.cStride, outLayout.chromaStep);
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// Convert to output buffer size/format
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uint32_t outputFourcc = V3_4::implementation::getFourCcFromLayout(outLayout);
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ALOGV("%s: converting to format %c%c%c%c", __FUNCTION__,
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outputFourcc & 0xFF,
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(outputFourcc >> 8) & 0xFF,
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(outputFourcc >> 16) & 0xFF,
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(outputFourcc >> 24) & 0xFF);
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YCbCrLayout cropAndScaled;
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ATRACE_BEGIN("cropAndScaleLocked");
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int ret = cropAndScaleLocked(
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mYu12Frame,
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Size { halBuf.width, halBuf.height },
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&cropAndScaled);
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ATRACE_END();
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if (ret != 0) {
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lk.unlock();
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return onDeviceError("%s: crop and scale failed!", __FUNCTION__);
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}
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Size sz {halBuf.width, halBuf.height};
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ATRACE_BEGIN("formatConvert");
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ret = V3_4::implementation::formatConvert(cropAndScaled, outLayout, sz, outputFourcc);
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ATRACE_END();
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if (ret != 0) {
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lk.unlock();
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return onDeviceError("%s: format coversion failed!", __FUNCTION__);
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}
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int relFence = sHandleImporter.unlock(*(halBuf.bufPtr));
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if (relFence >= 0) {
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halBuf.acquireFence = relFence;
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}
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} break;
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default:
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lk.unlock();
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return onDeviceError("%s: unknown output format %x", __FUNCTION__, halBuf.format);
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}
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} // for each buffer
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mScaledYu12Frames.clear();
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// Don't hold the lock while calling back to parent
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lk.unlock();
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Status st = parent->processCaptureResult(req);
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if (st != Status::OK) {
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return onDeviceError("%s: failed to process capture result!", __FUNCTION__);
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}
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signalRequestDone();
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return true;
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}
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Status ExternalCameraOfflineSession::importBuffer(int32_t streamId,
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uint64_t bufId, buffer_handle_t buf,
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/*out*/buffer_handle_t** outBufPtr,
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bool allowEmptyBuf) {
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Mutex::Autolock _l(mCbsLock);
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return V3_4::implementation::importBufferImpl(
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mCirculatingBuffers, sHandleImporter, streamId,
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bufId, buf, outBufPtr, allowEmptyBuf);
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return Status::OK;
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};
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#define UPDATE(md, tag, data, size) \
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do { \
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if ((md).update((tag), (data), (size))) { \
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ALOGE("Update " #tag " failed!"); \
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return BAD_VALUE; \
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} \
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} while (0)
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status_t ExternalCameraOfflineSession::fillCaptureResult(
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common::V1_0::helper::CameraMetadata &md, nsecs_t timestamp) {
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bool afTrigger = false;
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{
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std::lock_guard<std::mutex> lk(mAfTriggerLock);
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afTrigger = mAfTrigger;
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if (md.exists(ANDROID_CONTROL_AF_TRIGGER)) {
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camera_metadata_entry entry = md.find(ANDROID_CONTROL_AF_TRIGGER);
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if (entry.data.u8[0] == ANDROID_CONTROL_AF_TRIGGER_START) {
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mAfTrigger = afTrigger = true;
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} else if (entry.data.u8[0] == ANDROID_CONTROL_AF_TRIGGER_CANCEL) {
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mAfTrigger = afTrigger = false;
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}
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}
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}
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// For USB camera, the USB camera handles everything and we don't have control
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// over AF. We only simply fake the AF metadata based on the request
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// received here.
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uint8_t afState;
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if (afTrigger) {
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afState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED;
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} else {
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afState = ANDROID_CONTROL_AF_STATE_INACTIVE;
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}
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UPDATE(md, ANDROID_CONTROL_AF_STATE, &afState, 1);
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camera_metadata_ro_entry activeArraySize =
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mChars.find(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE);
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return V3_4::implementation::fillCaptureResultCommon(md, timestamp, activeArraySize);
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}
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#undef UPDATE
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Status ExternalCameraOfflineSession::processCaptureResult(std::shared_ptr<HalRequest>& req) {
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ATRACE_CALL();
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// Fill output buffers
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hidl_vec<CaptureResult> results;
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results.resize(1);
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CaptureResult& result = results[0];
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result.frameNumber = req->frameNumber;
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result.partialResult = 1;
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result.inputBuffer.streamId = -1;
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result.outputBuffers.resize(req->buffers.size());
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for (size_t i = 0; i < req->buffers.size(); i++) {
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result.outputBuffers[i].streamId = req->buffers[i].streamId;
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result.outputBuffers[i].bufferId = req->buffers[i].bufferId;
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if (req->buffers[i].fenceTimeout) {
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result.outputBuffers[i].status = BufferStatus::ERROR;
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if (req->buffers[i].acquireFence >= 0) {
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native_handle_t* handle = native_handle_create(/*numFds*/1, /*numInts*/0);
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handle->data[0] = req->buffers[i].acquireFence;
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result.outputBuffers[i].releaseFence.setTo(handle, /*shouldOwn*/false);
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}
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notifyError(req->frameNumber, req->buffers[i].streamId, ErrorCode::ERROR_BUFFER);
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} else {
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result.outputBuffers[i].status = BufferStatus::OK;
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// TODO: refactor
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if (req->buffers[i].acquireFence >= 0) {
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native_handle_t* handle = native_handle_create(/*numFds*/1, /*numInts*/0);
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handle->data[0] = req->buffers[i].acquireFence;
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result.outputBuffers[i].releaseFence.setTo(handle, /*shouldOwn*/false);
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}
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}
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}
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// Fill capture result metadata
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fillCaptureResult(req->setting, req->shutterTs);
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const camera_metadata_t *rawResult = req->setting.getAndLock();
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V3_2::implementation::convertToHidl(rawResult, &result.result);
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req->setting.unlock(rawResult);
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// Callback into framework
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invokeProcessCaptureResultCallback(results, /* tryWriteFmq */true);
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V3_4::implementation::freeReleaseFences(results);
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return Status::OK;
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};
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void ExternalCameraOfflineSession::invokeProcessCaptureResultCallback(
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hidl_vec<CaptureResult> &results, bool tryWriteFmq) {
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if (mProcessCaptureResultLock.tryLock() != OK) {
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const nsecs_t NS_TO_SECOND = 1000000000;
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ALOGV("%s: previous call is not finished! waiting 1s...", __FUNCTION__);
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if (mProcessCaptureResultLock.timedLock(/* 1s */NS_TO_SECOND) != OK) {
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ALOGE("%s: cannot acquire lock in 1s, cannot proceed",
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__FUNCTION__);
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return;
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}
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}
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if (tryWriteFmq && mResultMetadataQueue->availableToWrite() > 0) {
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for (CaptureResult &result : results) {
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if (result.result.size() > 0) {
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if (mResultMetadataQueue->write(result.result.data(), result.result.size())) {
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result.fmqResultSize = result.result.size();
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result.result.resize(0);
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} else {
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ALOGW("%s: couldn't utilize fmq, fall back to hwbinder", __FUNCTION__);
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result.fmqResultSize = 0;
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}
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} else {
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result.fmqResultSize = 0;
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}
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}
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}
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auto status = mCallback->processCaptureResult(results);
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if (!status.isOk()) {
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ALOGE("%s: processCaptureResult ERROR : %s", __FUNCTION__,
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status.description().c_str());
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}
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mProcessCaptureResultLock.unlock();
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}
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Status ExternalCameraOfflineSession::processCaptureRequestError(
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const std::shared_ptr<HalRequest>& req,
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/*out*/std::vector<NotifyMsg>* outMsgs,
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/*out*/std::vector<CaptureResult>* outResults) {
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ATRACE_CALL();
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if (outMsgs == nullptr) {
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notifyError(/*frameNum*/req->frameNumber, /*stream*/-1, ErrorCode::ERROR_REQUEST);
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} else {
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NotifyMsg shutter;
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shutter.type = MsgType::SHUTTER;
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shutter.msg.shutter.frameNumber = req->frameNumber;
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shutter.msg.shutter.timestamp = req->shutterTs;
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NotifyMsg error;
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error.type = MsgType::ERROR;
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error.msg.error.frameNumber = req->frameNumber;
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error.msg.error.errorStreamId = -1;
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error.msg.error.errorCode = ErrorCode::ERROR_REQUEST;
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outMsgs->push_back(shutter);
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outMsgs->push_back(error);
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}
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// Fill output buffers
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hidl_vec<CaptureResult> results;
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results.resize(1);
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CaptureResult& result = results[0];
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result.frameNumber = req->frameNumber;
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result.partialResult = 1;
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result.inputBuffer.streamId = -1;
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result.outputBuffers.resize(req->buffers.size());
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for (size_t i = 0; i < req->buffers.size(); i++) {
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result.outputBuffers[i].streamId = req->buffers[i].streamId;
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result.outputBuffers[i].bufferId = req->buffers[i].bufferId;
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result.outputBuffers[i].status = BufferStatus::ERROR;
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if (req->buffers[i].acquireFence >= 0) {
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native_handle_t* handle = native_handle_create(/*numFds*/1, /*numInts*/0);
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handle->data[0] = req->buffers[i].acquireFence;
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result.outputBuffers[i].releaseFence.setTo(handle, /*shouldOwn*/false);
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}
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}
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if (outResults == nullptr) {
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// Callback into framework
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invokeProcessCaptureResultCallback(results, /* tryWriteFmq */true);
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V3_4::implementation::freeReleaseFences(results);
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} else {
|
|
outResults->push_back(result);
|
|
}
|
|
return Status::OK;
|
|
};
|
|
|
|
ssize_t ExternalCameraOfflineSession::getJpegBufferSize(
|
|
uint32_t /*width*/, uint32_t /*height*/) const {
|
|
// Empty implementation here as the jpeg buffer size is passed in by ctor
|
|
return 0;
|
|
};
|
|
|
|
void ExternalCameraOfflineSession::notifyError(uint32_t frameNumber, int32_t streamId, ErrorCode ec) {
|
|
NotifyMsg msg;
|
|
msg.type = MsgType::ERROR;
|
|
msg.msg.error.frameNumber = frameNumber;
|
|
msg.msg.error.errorStreamId = streamId;
|
|
msg.msg.error.errorCode = ec;
|
|
mCallback->notify({msg});
|
|
};
|
|
|
|
Return<void> ExternalCameraOfflineSession::setCallback(const sp<ICameraDeviceCallback>& cb) {
|
|
Mutex::Autolock _il(mInterfaceLock);
|
|
if (mCallback != nullptr && cb != nullptr) {
|
|
ALOGE("%s: callback must not be set twice!", __FUNCTION__);
|
|
return Void();
|
|
}
|
|
mCallback = cb;
|
|
|
|
initOutputThread();
|
|
|
|
if (mOutputThread == nullptr) {
|
|
ALOGE("%s: init OutputThread failed!", __FUNCTION__);
|
|
}
|
|
return Void();
|
|
}
|
|
|
|
Return<void> ExternalCameraOfflineSession::getCaptureResultMetadataQueue(
|
|
V3_3::ICameraDeviceSession::getCaptureResultMetadataQueue_cb _hidl_cb) {
|
|
Mutex::Autolock _il(mInterfaceLock);
|
|
_hidl_cb(*mResultMetadataQueue->getDesc());
|
|
return Void();
|
|
}
|
|
|
|
void ExternalCameraOfflineSession::cleanupBuffersLocked(int id) {
|
|
for (auto& pair : mCirculatingBuffers.at(id)) {
|
|
sHandleImporter.freeBuffer(pair.second);
|
|
}
|
|
mCirculatingBuffers[id].clear();
|
|
mCirculatingBuffers.erase(id);
|
|
}
|
|
|
|
Return<void> ExternalCameraOfflineSession::close() {
|
|
Mutex::Autolock _il(mInterfaceLock);
|
|
{
|
|
Mutex::Autolock _l(mLock);
|
|
if (mClosed) {
|
|
ALOGW("%s: offline session already closed!", __FUNCTION__);
|
|
return Void();
|
|
}
|
|
}
|
|
if (mBufferRequestThread) {
|
|
mBufferRequestThread->requestExit();
|
|
mBufferRequestThread->join();
|
|
mBufferRequestThread.clear();
|
|
}
|
|
if (mOutputThread) {
|
|
mOutputThread->flush();
|
|
mOutputThread->requestExit();
|
|
mOutputThread->join();
|
|
mOutputThread.clear();
|
|
}
|
|
|
|
Mutex::Autolock _l(mLock);
|
|
// free all buffers
|
|
{
|
|
Mutex::Autolock _cbl(mCbsLock);
|
|
for(auto stream : mOfflineStreams) {
|
|
cleanupBuffersLocked(stream.id);
|
|
}
|
|
}
|
|
mCallback.clear();
|
|
mClosed = true;
|
|
return Void();
|
|
}
|
|
|
|
} // namespace implementation
|
|
} // namespace V3_6
|
|
} // namespace device
|
|
} // namespace camera
|
|
} // namespace hardware
|
|
} // namespace android
|