| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #define LOG_TAG "CameraHardwareInterface" |
| //#define LOG_NDEBUG 0 |
| |
| #include <inttypes.h> |
| #include <media/hardware/HardwareAPI.h> // For VideoNativeHandleMetadata |
| #include "CameraHardwareInterface.h" |
| |
| namespace android { |
| |
| using namespace hardware::camera::device::V1_0; |
| using namespace hardware::camera::common::V1_0; |
| using hardware::hidl_handle; |
| |
| CameraHardwareInterface::~CameraHardwareInterface() |
| { |
| ALOGI("Destroying camera %s", mName.string()); |
| if (mHidlDevice != nullptr) { |
| mHidlDevice->close(); |
| mHidlDevice.clear(); |
| cleanupCirculatingBuffers(); |
| } |
| } |
| |
| status_t CameraHardwareInterface::initialize(sp<CameraProviderManager> manager) { |
| ALOGI("Opening camera %s", mName.string()); |
| |
| status_t ret = manager->openSession(mName.string(), this, &mHidlDevice); |
| if (ret != OK) { |
| ALOGE("%s: openSession failed! %s (%d)", __FUNCTION__, strerror(-ret), ret); |
| } |
| return ret; |
| } |
| |
| status_t CameraHardwareInterface::setPreviewScalingMode(int scalingMode) |
| { |
| int rc = OK; |
| mPreviewScalingMode = scalingMode; |
| if (mPreviewWindow != nullptr) { |
| rc = native_window_set_scaling_mode(mPreviewWindow.get(), |
| scalingMode); |
| } |
| return rc; |
| } |
| |
| status_t CameraHardwareInterface::setPreviewTransform(int transform) { |
| int rc = OK; |
| mPreviewTransform = transform; |
| if (mPreviewWindow != nullptr) { |
| rc = native_window_set_buffers_transform(mPreviewWindow.get(), |
| mPreviewTransform); |
| } |
| return rc; |
| } |
| |
| /** |
| * Implementation of android::hardware::camera::device::V1_0::ICameraDeviceCallback |
| */ |
| hardware::Return<void> CameraHardwareInterface::notifyCallback( |
| NotifyCallbackMsg msgType, int32_t ext1, int32_t ext2) { |
| sNotifyCb((int32_t) msgType, ext1, ext2, (void*) this); |
| return hardware::Void(); |
| } |
| |
| hardware::Return<uint32_t> CameraHardwareInterface::registerMemory( |
| const hardware::hidl_handle& descriptor, |
| uint32_t bufferSize, uint32_t bufferCount) { |
| if (descriptor->numFds != 1) { |
| ALOGE("%s: camera memory descriptor has numFds %d (expect 1)", |
| __FUNCTION__, descriptor->numFds); |
| return 0; |
| } |
| if (descriptor->data[0] < 0) { |
| ALOGE("%s: camera memory descriptor has FD %d (expect >= 0)", |
| __FUNCTION__, descriptor->data[0]); |
| return 0; |
| } |
| |
| camera_memory_t* mem = sGetMemory(descriptor->data[0], bufferSize, bufferCount, this); |
| sp<CameraHeapMemory> camMem(static_cast<CameraHeapMemory *>(mem->handle)); |
| int memPoolId = camMem->mHeap->getHeapID(); |
| if (memPoolId < 0) { |
| ALOGE("%s: CameraHeapMemory has FD %d (expect >= 0)", __FUNCTION__, memPoolId); |
| return 0; |
| } |
| std::lock_guard<std::mutex> lock(mHidlMemPoolMapLock); |
| mHidlMemPoolMap.insert(std::make_pair(memPoolId, mem)); |
| return memPoolId; |
| } |
| |
| hardware::Return<void> CameraHardwareInterface::unregisterMemory(uint32_t memId) { |
| camera_memory_t* mem = nullptr; |
| { |
| std::lock_guard<std::mutex> lock(mHidlMemPoolMapLock); |
| if (mHidlMemPoolMap.count(memId) == 0) { |
| ALOGE("%s: memory pool ID %d not found", __FUNCTION__, memId); |
| return hardware::Void(); |
| } |
| mem = mHidlMemPoolMap.at(memId); |
| mHidlMemPoolMap.erase(memId); |
| } |
| sPutMemory(mem); |
| return hardware::Void(); |
| } |
| |
| hardware::Return<void> CameraHardwareInterface::dataCallback( |
| DataCallbackMsg msgType, uint32_t data, uint32_t bufferIndex, |
| const hardware::camera::device::V1_0::CameraFrameMetadata& metadata) { |
| camera_memory_t* mem = nullptr; |
| { |
| std::lock_guard<std::mutex> lock(mHidlMemPoolMapLock); |
| if (mHidlMemPoolMap.count(data) == 0) { |
| ALOGE("%s: memory pool ID %d not found", __FUNCTION__, data); |
| return hardware::Void(); |
| } |
| mem = mHidlMemPoolMap.at(data); |
| } |
| camera_frame_metadata_t md; |
| md.number_of_faces = metadata.faces.size(); |
| md.faces = (camera_face_t*) metadata.faces.data(); |
| sDataCb((int32_t) msgType, mem, bufferIndex, &md, this); |
| return hardware::Void(); |
| } |
| |
| hardware::Return<void> CameraHardwareInterface::dataCallbackTimestamp( |
| DataCallbackMsg msgType, uint32_t data, |
| uint32_t bufferIndex, int64_t timestamp) { |
| camera_memory_t* mem = nullptr; |
| { |
| std::lock_guard<std::mutex> lock(mHidlMemPoolMapLock); |
| if (mHidlMemPoolMap.count(data) == 0) { |
| ALOGE("%s: memory pool ID %d not found", __FUNCTION__, data); |
| return hardware::Void(); |
| } |
| mem = mHidlMemPoolMap.at(data); |
| } |
| sDataCbTimestamp(timestamp, (int32_t) msgType, mem, bufferIndex, this); |
| return hardware::Void(); |
| } |
| |
| hardware::Return<void> CameraHardwareInterface::handleCallbackTimestamp( |
| DataCallbackMsg msgType, const hidl_handle& frameData, uint32_t data, |
| uint32_t bufferIndex, int64_t timestamp) { |
| camera_memory_t* mem = nullptr; |
| { |
| std::lock_guard<std::mutex> lock(mHidlMemPoolMapLock); |
| if (mHidlMemPoolMap.count(data) == 0) { |
| ALOGE("%s: memory pool ID %d not found", __FUNCTION__, data); |
| return hardware::Void(); |
| } |
| mem = mHidlMemPoolMap.at(data); |
| } |
| sp<CameraHeapMemory> heapMem(static_cast<CameraHeapMemory *>(mem->handle)); |
| // TODO: Using unsecurePointer() has some associated security pitfalls |
| // (see declaration for details). |
| // Either document why it is safe in this case or address the |
| // issue (e.g. by copying). |
| VideoNativeHandleMetadata* md = (VideoNativeHandleMetadata*) |
| heapMem->mBuffers[bufferIndex]->unsecurePointer(); |
| md->pHandle = const_cast<native_handle_t*>(frameData.getNativeHandle()); |
| sDataCbTimestamp(timestamp, (int32_t) msgType, mem, bufferIndex, this); |
| return hardware::Void(); |
| } |
| |
| hardware::Return<void> CameraHardwareInterface::handleCallbackTimestampBatch( |
| DataCallbackMsg msgType, |
| const hardware::hidl_vec<hardware::camera::device::V1_0::HandleTimestampMessage>& messages) { |
| std::vector<android::HandleTimestampMessage> msgs; |
| msgs.reserve(messages.size()); |
| { |
| std::lock_guard<std::mutex> lock(mHidlMemPoolMapLock); |
| for (const auto& hidl_msg : messages) { |
| if (mHidlMemPoolMap.count(hidl_msg.data) == 0) { |
| ALOGE("%s: memory pool ID %d not found", __FUNCTION__, hidl_msg.data); |
| return hardware::Void(); |
| } |
| sp<CameraHeapMemory> mem( |
| static_cast<CameraHeapMemory *>(mHidlMemPoolMap.at(hidl_msg.data)->handle)); |
| |
| if (hidl_msg.bufferIndex >= mem->mNumBufs) { |
| ALOGE("%s: invalid buffer index %d, max allowed is %d", __FUNCTION__, |
| hidl_msg.bufferIndex, mem->mNumBufs); |
| return hardware::Void(); |
| } |
| // TODO: Using unsecurePointer() has some associated security pitfalls |
| // (see declaration for details). |
| // Either document why it is safe in this case or address the |
| // issue (e.g. by copying). |
| VideoNativeHandleMetadata* md = (VideoNativeHandleMetadata*) |
| mem->mBuffers[hidl_msg.bufferIndex]->unsecurePointer(); |
| md->pHandle = const_cast<native_handle_t*>(hidl_msg.frameData.getNativeHandle()); |
| |
| msgs.push_back({hidl_msg.timestamp, mem->mBuffers[hidl_msg.bufferIndex]}); |
| } |
| } |
| mDataCbTimestampBatch((int32_t) msgType, msgs, mCbUser); |
| return hardware::Void(); |
| } |
| |
| std::pair<bool, uint64_t> CameraHardwareInterface::getBufferId( |
| ANativeWindowBuffer* anb) { |
| std::lock_guard<std::mutex> lock(mBufferIdMapLock); |
| |
| buffer_handle_t& buf = anb->handle; |
| auto it = mBufferIdMap.find(buf); |
| if (it == mBufferIdMap.end()) { |
| uint64_t bufId = mNextBufferId++; |
| mBufferIdMap[buf] = bufId; |
| mReversedBufMap[bufId] = anb; |
| return std::make_pair(true, bufId); |
| } else { |
| return std::make_pair(false, it->second); |
| } |
| } |
| |
| void CameraHardwareInterface::cleanupCirculatingBuffers() { |
| std::lock_guard<std::mutex> lock(mBufferIdMapLock); |
| mBufferIdMap.clear(); |
| mReversedBufMap.clear(); |
| } |
| |
| hardware::Return<void> |
| CameraHardwareInterface::dequeueBuffer(dequeueBuffer_cb _hidl_cb) { |
| ANativeWindow *a = mPreviewWindow.get(); |
| if (a == nullptr) { |
| ALOGE("%s: preview window is null", __FUNCTION__); |
| return hardware::Void(); |
| } |
| ANativeWindowBuffer* anb; |
| int rc = native_window_dequeue_buffer_and_wait(a, &anb); |
| Status s = Status::INTERNAL_ERROR; |
| uint64_t bufferId = 0; |
| uint32_t stride = 0; |
| hidl_handle buf = nullptr; |
| if (rc == OK) { |
| s = Status::OK; |
| auto pair = getBufferId(anb); |
| buf = (pair.first) ? anb->handle : nullptr; |
| bufferId = pair.second; |
| stride = anb->stride; |
| } |
| |
| _hidl_cb(s, bufferId, buf, stride); |
| return hardware::Void(); |
| } |
| |
| hardware::Return<Status> |
| CameraHardwareInterface::enqueueBuffer(uint64_t bufferId) { |
| ANativeWindow *a = mPreviewWindow.get(); |
| if (a == nullptr) { |
| ALOGE("%s: preview window is null", __FUNCTION__); |
| return Status::INTERNAL_ERROR; |
| } |
| if (mReversedBufMap.count(bufferId) == 0) { |
| ALOGE("%s: bufferId %" PRIu64 " not found", __FUNCTION__, bufferId); |
| return Status::ILLEGAL_ARGUMENT; |
| } |
| int rc = a->queueBuffer(a, mReversedBufMap.at(bufferId), -1); |
| if (rc == 0) { |
| return Status::OK; |
| } |
| return Status::INTERNAL_ERROR; |
| } |
| |
| hardware::Return<Status> |
| CameraHardwareInterface::cancelBuffer(uint64_t bufferId) { |
| ANativeWindow *a = mPreviewWindow.get(); |
| if (a == nullptr) { |
| ALOGE("%s: preview window is null", __FUNCTION__); |
| return Status::INTERNAL_ERROR; |
| } |
| if (mReversedBufMap.count(bufferId) == 0) { |
| ALOGE("%s: bufferId %" PRIu64 " not found", __FUNCTION__, bufferId); |
| return Status::ILLEGAL_ARGUMENT; |
| } |
| int rc = a->cancelBuffer(a, mReversedBufMap.at(bufferId), -1); |
| if (rc == 0) { |
| return Status::OK; |
| } |
| return Status::INTERNAL_ERROR; |
| } |
| |
| hardware::Return<Status> |
| CameraHardwareInterface::setBufferCount(uint32_t count) { |
| ANativeWindow *a = mPreviewWindow.get(); |
| if (a != nullptr) { |
| // Workaround for b/27039775 |
| // Previously, setting the buffer count would reset the buffer |
| // queue's flag that allows for all buffers to be dequeued on the |
| // producer side, instead of just the producer's declared max count, |
| // if no filled buffers have yet been queued by the producer. This |
| // reset no longer happens, but some HALs depend on this behavior, |
| // so it needs to be maintained for HAL backwards compatibility. |
| // Simulate the prior behavior by disconnecting/reconnecting to the |
| // window and setting the values again. This has the drawback of |
| // actually causing memory reallocation, which may not have happened |
| // in the past. |
| native_window_api_disconnect(a, NATIVE_WINDOW_API_CAMERA); |
| native_window_api_connect(a, NATIVE_WINDOW_API_CAMERA); |
| if (mPreviewScalingMode != NOT_SET) { |
| native_window_set_scaling_mode(a, mPreviewScalingMode); |
| } |
| if (mPreviewTransform != NOT_SET) { |
| native_window_set_buffers_transform(a, mPreviewTransform); |
| } |
| if (mPreviewWidth != NOT_SET) { |
| native_window_set_buffers_dimensions(a, |
| mPreviewWidth, mPreviewHeight); |
| native_window_set_buffers_format(a, mPreviewFormat); |
| } |
| if (mPreviewUsage != 0) { |
| native_window_set_usage(a, mPreviewUsage); |
| } |
| if (mPreviewSwapInterval != NOT_SET) { |
| a->setSwapInterval(a, mPreviewSwapInterval); |
| } |
| if (mPreviewCrop.left != NOT_SET) { |
| native_window_set_crop(a, &(mPreviewCrop)); |
| } |
| } |
| int rc = native_window_set_buffer_count(a, count); |
| if (rc == OK) { |
| cleanupCirculatingBuffers(); |
| return Status::OK; |
| } |
| return Status::INTERNAL_ERROR; |
| } |
| |
| hardware::Return<Status> |
| CameraHardwareInterface::setBuffersGeometry( |
| uint32_t w, uint32_t h, hardware::graphics::common::V1_0::PixelFormat format) { |
| Status s = Status::INTERNAL_ERROR; |
| ANativeWindow *a = mPreviewWindow.get(); |
| if (a == nullptr) { |
| ALOGE("%s: preview window is null", __FUNCTION__); |
| return s; |
| } |
| mPreviewWidth = w; |
| mPreviewHeight = h; |
| mPreviewFormat = (int) format; |
| int rc = native_window_set_buffers_dimensions(a, w, h); |
| if (rc == OK) { |
| rc = native_window_set_buffers_format(a, mPreviewFormat); |
| } |
| if (rc == OK) { |
| cleanupCirculatingBuffers(); |
| s = Status::OK; |
| } |
| return s; |
| } |
| |
| hardware::Return<Status> |
| CameraHardwareInterface::setCrop(int32_t left, int32_t top, int32_t right, int32_t bottom) { |
| Status s = Status::INTERNAL_ERROR; |
| ANativeWindow *a = mPreviewWindow.get(); |
| if (a == nullptr) { |
| ALOGE("%s: preview window is null", __FUNCTION__); |
| return s; |
| } |
| mPreviewCrop.left = left; |
| mPreviewCrop.top = top; |
| mPreviewCrop.right = right; |
| mPreviewCrop.bottom = bottom; |
| int rc = native_window_set_crop(a, &mPreviewCrop); |
| if (rc == OK) { |
| s = Status::OK; |
| } |
| return s; |
| } |
| |
| hardware::Return<Status> |
| CameraHardwareInterface::setUsage(hardware::graphics::common::V1_0::BufferUsage usage) { |
| Status s = Status::INTERNAL_ERROR; |
| ANativeWindow *a = mPreviewWindow.get(); |
| if (a == nullptr) { |
| ALOGE("%s: preview window is null", __FUNCTION__); |
| return s; |
| } |
| mPreviewUsage = static_cast<uint64_t> (usage); |
| int rc = native_window_set_usage(a, mPreviewUsage); |
| if (rc == OK) { |
| cleanupCirculatingBuffers(); |
| s = Status::OK; |
| } |
| return s; |
| } |
| |
| hardware::Return<Status> |
| CameraHardwareInterface::setSwapInterval(int32_t interval) { |
| Status s = Status::INTERNAL_ERROR; |
| ANativeWindow *a = mPreviewWindow.get(); |
| if (a == nullptr) { |
| ALOGE("%s: preview window is null", __FUNCTION__); |
| return s; |
| } |
| mPreviewSwapInterval = interval; |
| int rc = a->setSwapInterval(a, interval); |
| if (rc == OK) { |
| s = Status::OK; |
| } |
| return s; |
| } |
| |
| hardware::Return<void> |
| CameraHardwareInterface::getMinUndequeuedBufferCount(getMinUndequeuedBufferCount_cb _hidl_cb) { |
| ANativeWindow *a = mPreviewWindow.get(); |
| if (a == nullptr) { |
| ALOGE("%s: preview window is null", __FUNCTION__); |
| return hardware::Void(); |
| } |
| int count = 0; |
| int rc = a->query(a, NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &count); |
| Status s = Status::INTERNAL_ERROR; |
| if (rc == OK) { |
| s = Status::OK; |
| } |
| _hidl_cb(s, count); |
| return hardware::Void(); |
| } |
| |
| hardware::Return<Status> |
| CameraHardwareInterface::setTimestamp(int64_t timestamp) { |
| Status s = Status::INTERNAL_ERROR; |
| ANativeWindow *a = mPreviewWindow.get(); |
| if (a == nullptr) { |
| ALOGE("%s: preview window is null", __FUNCTION__); |
| return s; |
| } |
| int rc = native_window_set_buffers_timestamp(a, timestamp); |
| if (rc == OK) { |
| s = Status::OK; |
| } |
| return s; |
| } |
| |
| status_t CameraHardwareInterface::setPreviewWindow(const sp<ANativeWindow>& buf) |
| { |
| ALOGV("%s(%s) buf %p", __FUNCTION__, mName.string(), buf.get()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| mPreviewWindow = buf; |
| if (buf != nullptr) { |
| if (mPreviewScalingMode != NOT_SET) { |
| setPreviewScalingMode(mPreviewScalingMode); |
| } |
| if (mPreviewTransform != NOT_SET) { |
| setPreviewTransform(mPreviewTransform); |
| } |
| } |
| return CameraProviderManager::mapToStatusT( |
| mHidlDevice->setPreviewWindow(buf.get() ? this : nullptr)); |
| } |
| return INVALID_OPERATION; |
| } |
| |
| void CameraHardwareInterface::setCallbacks(notify_callback notify_cb, |
| data_callback data_cb, |
| data_callback_timestamp data_cb_timestamp, |
| data_callback_timestamp_batch data_cb_timestamp_batch, |
| void* user) |
| { |
| mNotifyCb = notify_cb; |
| mDataCb = data_cb; |
| mDataCbTimestamp = data_cb_timestamp; |
| mDataCbTimestampBatch = data_cb_timestamp_batch; |
| mCbUser = user; |
| |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| } |
| |
| void CameraHardwareInterface::enableMsgType(int32_t msgType) |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| mHidlDevice->enableMsgType(msgType); |
| } |
| } |
| |
| void CameraHardwareInterface::disableMsgType(int32_t msgType) |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| mHidlDevice->disableMsgType(msgType); |
| } |
| } |
| |
| int CameraHardwareInterface::msgTypeEnabled(int32_t msgType) |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| return mHidlDevice->msgTypeEnabled(msgType); |
| } |
| return false; |
| } |
| |
| status_t CameraHardwareInterface::startPreview() |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| return CameraProviderManager::mapToStatusT( |
| mHidlDevice->startPreview()); |
| } |
| return INVALID_OPERATION; |
| } |
| |
| void CameraHardwareInterface::stopPreview() |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| mHidlDevice->stopPreview(); |
| } |
| } |
| |
| int CameraHardwareInterface::previewEnabled() |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| return mHidlDevice->previewEnabled(); |
| } |
| return false; |
| } |
| |
| status_t CameraHardwareInterface::storeMetaDataInBuffers(int enable) |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| return CameraProviderManager::mapToStatusT( |
| mHidlDevice->storeMetaDataInBuffers(enable)); |
| } |
| return enable ? INVALID_OPERATION: OK; |
| } |
| |
| status_t CameraHardwareInterface::startRecording() |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| return CameraProviderManager::mapToStatusT( |
| mHidlDevice->startRecording()); |
| } |
| return INVALID_OPERATION; |
| } |
| |
| /** |
| * Stop a previously started recording. |
| */ |
| void CameraHardwareInterface::stopRecording() |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| mHidlDevice->stopRecording(); |
| } |
| } |
| |
| /** |
| * Returns true if recording is enabled. |
| */ |
| int CameraHardwareInterface::recordingEnabled() |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| return mHidlDevice->recordingEnabled(); |
| } |
| return false; |
| } |
| |
| void CameraHardwareInterface::releaseRecordingFrame(const sp<IMemory>& mem) |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| ssize_t offset; |
| size_t size; |
| sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); |
| int heapId = heap->getHeapID(); |
| int bufferIndex = offset / size; |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| if (size == sizeof(VideoNativeHandleMetadata)) { |
| // TODO: Using unsecurePointer() has some associated security pitfalls |
| // (see declaration for details). |
| // Either document why it is safe in this case or address the |
| // issue (e.g. by copying). |
| VideoNativeHandleMetadata* md = (VideoNativeHandleMetadata*) mem->unsecurePointer(); |
| // Caching the handle here because md->pHandle will be subject to HAL's edit |
| native_handle_t* nh = md->pHandle; |
| hidl_handle frame = nh; |
| mHidlDevice->releaseRecordingFrameHandle(heapId, bufferIndex, frame); |
| native_handle_close(nh); |
| native_handle_delete(nh); |
| } else { |
| mHidlDevice->releaseRecordingFrame(heapId, bufferIndex); |
| } |
| } |
| } |
| |
| void CameraHardwareInterface::releaseRecordingFrameBatch(const std::vector<sp<IMemory>>& frames) |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| size_t n = frames.size(); |
| std::vector<VideoFrameMessage> msgs; |
| msgs.reserve(n); |
| for (auto& mem : frames) { |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| ssize_t offset; |
| size_t size; |
| sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); |
| if (size == sizeof(VideoNativeHandleMetadata)) { |
| uint32_t heapId = heap->getHeapID(); |
| uint32_t bufferIndex = offset / size; |
| // TODO: Using unsecurePointer() has some associated security pitfalls |
| // (see declaration for details). |
| // Either document why it is safe in this case or address the |
| // issue (e.g. by copying). |
| VideoNativeHandleMetadata* md = (VideoNativeHandleMetadata*) mem->unsecurePointer(); |
| // Caching the handle here because md->pHandle will be subject to HAL's edit |
| native_handle_t* nh = md->pHandle; |
| VideoFrameMessage msg; |
| msgs.push_back({nh, heapId, bufferIndex}); |
| } else { |
| ALOGE("%s only supports VideoNativeHandleMetadata mode", __FUNCTION__); |
| return; |
| } |
| } |
| } |
| |
| mHidlDevice->releaseRecordingFrameHandleBatch(msgs); |
| |
| for (auto& msg : msgs) { |
| native_handle_t* nh = const_cast<native_handle_t*>(msg.frameData.getNativeHandle()); |
| native_handle_close(nh); |
| native_handle_delete(nh); |
| } |
| } |
| |
| status_t CameraHardwareInterface::autoFocus() |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| return CameraProviderManager::mapToStatusT( |
| mHidlDevice->autoFocus()); |
| } |
| return INVALID_OPERATION; |
| } |
| |
| status_t CameraHardwareInterface::cancelAutoFocus() |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| return CameraProviderManager::mapToStatusT( |
| mHidlDevice->cancelAutoFocus()); |
| } |
| return INVALID_OPERATION; |
| } |
| |
| status_t CameraHardwareInterface::takePicture() |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| return CameraProviderManager::mapToStatusT( |
| mHidlDevice->takePicture()); |
| } |
| return INVALID_OPERATION; |
| } |
| |
| status_t CameraHardwareInterface::cancelPicture() |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| return CameraProviderManager::mapToStatusT( |
| mHidlDevice->cancelPicture()); |
| } |
| return INVALID_OPERATION; |
| } |
| |
| status_t CameraHardwareInterface::setParameters(const CameraParameters ¶ms) |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| return CameraProviderManager::mapToStatusT( |
| mHidlDevice->setParameters(params.flatten().string())); |
| } |
| return INVALID_OPERATION; |
| } |
| |
| CameraParameters CameraHardwareInterface::getParameters() const |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| CameraParameters parms; |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| hardware::hidl_string outParam; |
| mHidlDevice->getParameters( |
| [&outParam](const auto& outStr) { |
| outParam = outStr; |
| }); |
| String8 tmp(outParam.c_str()); |
| parms.unflatten(tmp); |
| } |
| return parms; |
| } |
| |
| status_t CameraHardwareInterface::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| return CameraProviderManager::mapToStatusT( |
| mHidlDevice->sendCommand((CommandType) cmd, arg1, arg2)); |
| } |
| return INVALID_OPERATION; |
| } |
| |
| /** |
| * Release the hardware resources owned by this object. Note that this is |
| * *not* done in the destructor. |
| */ |
| void CameraHardwareInterface::release() { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| mHidlDevice->close(); |
| mHidlDevice.clear(); |
| } |
| } |
| |
| /** |
| * Dump state of the camera hardware |
| */ |
| status_t CameraHardwareInterface::dump(int fd, const Vector<String16>& /*args*/) const |
| { |
| ALOGV("%s(%s)", __FUNCTION__, mName.string()); |
| if (CC_LIKELY(mHidlDevice != nullptr)) { |
| native_handle_t* handle = native_handle_create(1,0); |
| handle->data[0] = fd; |
| Status s = mHidlDevice->dumpState(handle); |
| native_handle_delete(handle); |
| return CameraProviderManager::mapToStatusT(s); |
| } |
| return OK; // It's fine if the HAL doesn't implement dump() |
| } |
| |
| void CameraHardwareInterface::sNotifyCb(int32_t msg_type, int32_t ext1, |
| int32_t ext2, void *user) |
| { |
| ALOGV("%s", __FUNCTION__); |
| CameraHardwareInterface *object = |
| static_cast<CameraHardwareInterface *>(user); |
| object->mNotifyCb(msg_type, ext1, ext2, object->mCbUser); |
| } |
| |
| void CameraHardwareInterface::sDataCb(int32_t msg_type, |
| const camera_memory_t *data, unsigned int index, |
| camera_frame_metadata_t *metadata, |
| void *user) |
| { |
| ALOGV("%s", __FUNCTION__); |
| CameraHardwareInterface *object = |
| static_cast<CameraHardwareInterface *>(user); |
| sp<CameraHeapMemory> mem(static_cast<CameraHeapMemory *>(data->handle)); |
| if (index >= mem->mNumBufs) { |
| ALOGE("%s: invalid buffer index %d, max allowed is %d", __FUNCTION__, |
| index, mem->mNumBufs); |
| return; |
| } |
| object->mDataCb(msg_type, mem->mBuffers[index], metadata, object->mCbUser); |
| } |
| |
| void CameraHardwareInterface::sDataCbTimestamp(nsecs_t timestamp, int32_t msg_type, |
| const camera_memory_t *data, unsigned index, |
| void *user) |
| { |
| ALOGV("%s", __FUNCTION__); |
| CameraHardwareInterface *object = |
| static_cast<CameraHardwareInterface *>(user); |
| // Start refcounting the heap object from here on. When the clients |
| // drop all references, it will be destroyed (as well as the enclosed |
| // MemoryHeapBase. |
| sp<CameraHeapMemory> mem(static_cast<CameraHeapMemory *>(data->handle)); |
| if (index >= mem->mNumBufs) { |
| ALOGE("%s: invalid buffer index %d, max allowed is %d", __FUNCTION__, |
| index, mem->mNumBufs); |
| return; |
| } |
| object->mDataCbTimestamp(timestamp, msg_type, mem->mBuffers[index], object->mCbUser); |
| } |
| |
| camera_memory_t* CameraHardwareInterface::sGetMemory( |
| int fd, size_t buf_size, uint_t num_bufs, |
| void *user __attribute__((unused))) |
| { |
| CameraHeapMemory *mem; |
| if (fd < 0) { |
| mem = new CameraHeapMemory(buf_size, num_bufs); |
| } else { |
| mem = new CameraHeapMemory(fd, buf_size, num_bufs); |
| } |
| mem->incStrong(mem); |
| return &mem->handle; |
| } |
| |
| void CameraHardwareInterface::sPutMemory(camera_memory_t *data) |
| { |
| if (!data) { |
| return; |
| } |
| |
| CameraHeapMemory *mem = static_cast<CameraHeapMemory *>(data->handle); |
| mem->decStrong(mem); |
| } |
| |
| }; // namespace android |