| /* |
| * Copyright (C) 2013 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 "Camera3-Device" |
| #define ATRACE_TAG ATRACE_TAG_CAMERA |
| //#define LOG_NDEBUG 0 |
| //#define LOG_NNDEBUG 0 // Per-frame verbose logging |
| |
| #ifdef LOG_NNDEBUG |
| #define ALOGVV(...) ALOGV(__VA_ARGS__) |
| #else |
| #define ALOGVV(...) ((void)0) |
| #endif |
| |
| // Convenience macro for transient errors |
| #define CLOGE(fmt, ...) ALOGE("Camera %d: %s: " fmt, mId, __FUNCTION__, \ |
| ##__VA_ARGS__) |
| |
| // Convenience macros for transitioning to the error state |
| #define SET_ERR(fmt, ...) setErrorState( \ |
| "%s: " fmt, __FUNCTION__, \ |
| ##__VA_ARGS__) |
| #define SET_ERR_L(fmt, ...) setErrorStateLocked( \ |
| "%s: " fmt, __FUNCTION__, \ |
| ##__VA_ARGS__) |
| |
| #include <utils/Log.h> |
| #include <utils/Trace.h> |
| #include <utils/Timers.h> |
| #include "Camera3Device.h" |
| #include "camera3/Camera3OutputStream.h" |
| #include "camera3/Camera3InputStream.h" |
| |
| using namespace android::camera3; |
| |
| namespace android { |
| |
| Camera3Device::Camera3Device(int id): |
| mId(id), |
| mHal3Device(NULL), |
| mStatus(STATUS_UNINITIALIZED), |
| mNextResultFrameNumber(0), |
| mNextShutterFrameNumber(0), |
| mListener(NULL) |
| { |
| ATRACE_CALL(); |
| camera3_callback_ops::notify = &sNotify; |
| camera3_callback_ops::process_capture_result = &sProcessCaptureResult; |
| ALOGV("%s: Created device for camera %d", __FUNCTION__, id); |
| } |
| |
| Camera3Device::~Camera3Device() |
| { |
| ATRACE_CALL(); |
| ALOGV("%s: Tearing down for camera id %d", __FUNCTION__, mId); |
| disconnect(); |
| } |
| |
| int Camera3Device::getId() const { |
| return mId; |
| } |
| |
| /** |
| * CameraDeviceBase interface |
| */ |
| |
| status_t Camera3Device::initialize(camera_module_t *module) |
| { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| |
| ALOGV("%s: Initializing device for camera %d", __FUNCTION__, mId); |
| if (mStatus != STATUS_UNINITIALIZED) { |
| CLOGE("Already initialized!"); |
| return INVALID_OPERATION; |
| } |
| |
| /** Open HAL device */ |
| |
| status_t res; |
| String8 deviceName = String8::format("%d", mId); |
| |
| camera3_device_t *device; |
| |
| res = module->common.methods->open(&module->common, deviceName.string(), |
| reinterpret_cast<hw_device_t**>(&device)); |
| |
| if (res != OK) { |
| SET_ERR_L("Could not open camera: %s (%d)", strerror(-res), res); |
| return res; |
| } |
| |
| /** Cross-check device version */ |
| |
| if (device->common.version != CAMERA_DEVICE_API_VERSION_3_0) { |
| SET_ERR_L("Could not open camera: " |
| "Camera device is not version %x, reports %x instead", |
| CAMERA_DEVICE_API_VERSION_3_0, |
| device->common.version); |
| device->common.close(&device->common); |
| return BAD_VALUE; |
| } |
| |
| camera_info info; |
| res = module->get_camera_info(mId, &info); |
| if (res != OK) return res; |
| |
| if (info.device_version != device->common.version) { |
| SET_ERR_L("HAL reporting mismatched camera_info version (%x)" |
| " and device version (%x).", |
| device->common.version, info.device_version); |
| device->common.close(&device->common); |
| return BAD_VALUE; |
| } |
| |
| /** Initialize device with callback functions */ |
| |
| res = device->ops->initialize(device, this); |
| if (res != OK) { |
| SET_ERR_L("Unable to initialize HAL device: %s (%d)", |
| strerror(-res), res); |
| device->common.close(&device->common); |
| return BAD_VALUE; |
| } |
| |
| /** Get vendor metadata tags */ |
| |
| mVendorTagOps.get_camera_vendor_section_name = NULL; |
| |
| device->ops->get_metadata_vendor_tag_ops(device, &mVendorTagOps); |
| |
| if (mVendorTagOps.get_camera_vendor_section_name != NULL) { |
| res = set_camera_metadata_vendor_tag_ops(&mVendorTagOps); |
| if (res != OK) { |
| SET_ERR_L("Unable to set tag ops: %s (%d)", |
| strerror(-res), res); |
| device->common.close(&device->common); |
| return res; |
| } |
| } |
| |
| /** Start up request queue thread */ |
| |
| mRequestThread = new RequestThread(this, device); |
| res = mRequestThread->run(String8::format("C3Dev-%d-ReqQueue", mId).string()); |
| if (res != OK) { |
| SET_ERR_L("Unable to start request queue thread: %s (%d)", |
| strerror(-res), res); |
| device->common.close(&device->common); |
| mRequestThread.clear(); |
| return res; |
| } |
| |
| /** Everything is good to go */ |
| |
| mDeviceInfo = info.static_camera_characteristics; |
| mHal3Device = device; |
| mStatus = STATUS_IDLE; |
| mNextStreamId = 0; |
| mNeedConfig = true; |
| |
| return OK; |
| } |
| |
| status_t Camera3Device::disconnect() { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| |
| ALOGV("%s: E", __FUNCTION__); |
| |
| status_t res = OK; |
| if (mStatus == STATUS_UNINITIALIZED) return res; |
| |
| if (mStatus == STATUS_ACTIVE || |
| (mStatus == STATUS_ERROR && mRequestThread != NULL)) { |
| res = mRequestThread->clearRepeatingRequests(); |
| if (res != OK) { |
| SET_ERR_L("Can't stop streaming"); |
| // Continue to close device even in case of error |
| } else { |
| res = waitUntilDrainedLocked(); |
| if (res != OK) { |
| SET_ERR_L("Timeout waiting for HAL to drain"); |
| // Continue to close device even in case of error |
| } |
| } |
| } |
| assert(mStatus == STATUS_IDLE || mStatus == STATUS_ERROR); |
| |
| if (mStatus == STATUS_ERROR) { |
| CLOGE("Shutting down in an error state"); |
| } |
| |
| if (mRequestThread != NULL) { |
| mRequestThread->requestExit(); |
| } |
| |
| mOutputStreams.clear(); |
| mInputStream.clear(); |
| |
| if (mRequestThread != NULL) { |
| if (mStatus != STATUS_ERROR) { |
| // HAL may be in a bad state, so waiting for request thread |
| // (which may be stuck in the HAL processCaptureRequest call) |
| // could be dangerous. |
| mRequestThread->join(); |
| } |
| mRequestThread.clear(); |
| } |
| |
| if (mHal3Device != NULL) { |
| mHal3Device->common.close(&mHal3Device->common); |
| mHal3Device = NULL; |
| } |
| |
| mStatus = STATUS_UNINITIALIZED; |
| |
| ALOGV("%s: X", __FUNCTION__); |
| return res; |
| } |
| |
| status_t Camera3Device::dump(int fd, const Vector<String16> &args) { |
| ATRACE_CALL(); |
| (void)args; |
| String8 lines; |
| |
| const char *status = |
| mStatus == STATUS_ERROR ? "ERROR" : |
| mStatus == STATUS_UNINITIALIZED ? "UNINITIALIZED" : |
| mStatus == STATUS_IDLE ? "IDLE" : |
| mStatus == STATUS_ACTIVE ? "ACTIVE" : |
| "Unknown"; |
| lines.appendFormat(" Device status: %s\n", status); |
| if (mStatus == STATUS_ERROR) { |
| lines.appendFormat(" Error cause: %s\n", mErrorCause.string()); |
| } |
| lines.appendFormat(" Stream configuration:\n"); |
| |
| if (mInputStream != NULL) { |
| write(fd, lines.string(), lines.size()); |
| mInputStream->dump(fd, args); |
| } else { |
| lines.appendFormat(" No input stream.\n"); |
| write(fd, lines.string(), lines.size()); |
| } |
| for (size_t i = 0; i < mOutputStreams.size(); i++) { |
| mOutputStreams[i]->dump(fd,args); |
| } |
| |
| lines = String8(" In-flight requests:\n"); |
| if (mInFlightMap.size() == 0) { |
| lines.append(" None\n"); |
| } else { |
| for (size_t i = 0; i < mInFlightMap.size(); i++) { |
| InFlightRequest r = mInFlightMap.valueAt(i); |
| lines.appendFormat(" Frame %d | Timestamp: %lld, metadata" |
| " arrived: %s, buffers left: %d\n", mInFlightMap.keyAt(i), |
| r.captureTimestamp, r.haveResultMetadata ? "true" : "false", |
| r.numBuffersLeft); |
| } |
| } |
| write(fd, lines.string(), lines.size()); |
| |
| if (mHal3Device != NULL) { |
| lines = String8(" HAL device dump:\n"); |
| write(fd, lines.string(), lines.size()); |
| mHal3Device->ops->dump(mHal3Device, fd); |
| } |
| |
| return OK; |
| } |
| |
| const CameraMetadata& Camera3Device::info() const { |
| ALOGVV("%s: E", __FUNCTION__); |
| if (CC_UNLIKELY(mStatus == STATUS_UNINITIALIZED || |
| mStatus == STATUS_ERROR)) { |
| ALOGW("%s: Access to static info %s!", __FUNCTION__, |
| mStatus == STATUS_ERROR ? |
| "when in error state" : "before init"); |
| } |
| return mDeviceInfo; |
| } |
| |
| status_t Camera3Device::capture(CameraMetadata &request) { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| |
| // TODO: take ownership of the request |
| |
| switch (mStatus) { |
| case STATUS_ERROR: |
| CLOGE("Device has encountered a serious error"); |
| return INVALID_OPERATION; |
| case STATUS_UNINITIALIZED: |
| CLOGE("Device not initialized"); |
| return INVALID_OPERATION; |
| case STATUS_IDLE: |
| case STATUS_ACTIVE: |
| // OK |
| break; |
| default: |
| SET_ERR_L("Unexpected status: %d", mStatus); |
| return INVALID_OPERATION; |
| } |
| |
| sp<CaptureRequest> newRequest = setUpRequestLocked(request); |
| if (newRequest == NULL) { |
| CLOGE("Can't create capture request"); |
| return BAD_VALUE; |
| } |
| |
| return mRequestThread->queueRequest(newRequest); |
| } |
| |
| |
| status_t Camera3Device::setStreamingRequest(const CameraMetadata &request) { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| |
| switch (mStatus) { |
| case STATUS_ERROR: |
| CLOGE("Device has encountered a serious error"); |
| return INVALID_OPERATION; |
| case STATUS_UNINITIALIZED: |
| CLOGE("Device not initialized"); |
| return INVALID_OPERATION; |
| case STATUS_IDLE: |
| case STATUS_ACTIVE: |
| // OK |
| break; |
| default: |
| SET_ERR_L("Unexpected status: %d", mStatus); |
| return INVALID_OPERATION; |
| } |
| |
| sp<CaptureRequest> newRepeatingRequest = setUpRequestLocked(request); |
| if (newRepeatingRequest == NULL) { |
| CLOGE("Can't create repeating request"); |
| return BAD_VALUE; |
| } |
| |
| RequestList newRepeatingRequests; |
| newRepeatingRequests.push_back(newRepeatingRequest); |
| |
| return mRequestThread->setRepeatingRequests(newRepeatingRequests); |
| } |
| |
| |
| sp<Camera3Device::CaptureRequest> Camera3Device::setUpRequestLocked( |
| const CameraMetadata &request) { |
| status_t res; |
| |
| if (mStatus == STATUS_IDLE) { |
| res = configureStreamsLocked(); |
| if (res != OK) { |
| SET_ERR_L("Can't set up streams: %s (%d)", strerror(-res), res); |
| return NULL; |
| } |
| } |
| |
| sp<CaptureRequest> newRequest = createCaptureRequest(request); |
| return newRequest; |
| } |
| |
| status_t Camera3Device::clearStreamingRequest() { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| |
| switch (mStatus) { |
| case STATUS_ERROR: |
| CLOGE("Device has encountered a serious error"); |
| return INVALID_OPERATION; |
| case STATUS_UNINITIALIZED: |
| CLOGE("Device not initialized"); |
| return INVALID_OPERATION; |
| case STATUS_IDLE: |
| case STATUS_ACTIVE: |
| // OK |
| break; |
| default: |
| SET_ERR_L("Unexpected status: %d", mStatus); |
| return INVALID_OPERATION; |
| } |
| |
| return mRequestThread->clearRepeatingRequests(); |
| } |
| |
| status_t Camera3Device::waitUntilRequestReceived(int32_t requestId, nsecs_t timeout) { |
| ATRACE_CALL(); |
| |
| return mRequestThread->waitUntilRequestProcessed(requestId, timeout); |
| } |
| |
| status_t Camera3Device::createInputStream( |
| uint32_t width, uint32_t height, int format, int *id) { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| |
| status_t res; |
| bool wasActive = false; |
| |
| switch (mStatus) { |
| case STATUS_ERROR: |
| ALOGE("%s: Device has encountered a serious error", __FUNCTION__); |
| return INVALID_OPERATION; |
| case STATUS_UNINITIALIZED: |
| ALOGE("%s: Device not initialized", __FUNCTION__); |
| return INVALID_OPERATION; |
| case STATUS_IDLE: |
| // OK |
| break; |
| case STATUS_ACTIVE: |
| ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); |
| mRequestThread->setPaused(true); |
| res = waitUntilDrainedLocked(); |
| if (res != OK) { |
| ALOGE("%s: Can't pause captures to reconfigure streams!", |
| __FUNCTION__); |
| mStatus = STATUS_ERROR; |
| return res; |
| } |
| wasActive = true; |
| break; |
| default: |
| ALOGE("%s: Unexpected status: %d", __FUNCTION__, mStatus); |
| return INVALID_OPERATION; |
| } |
| assert(mStatus == STATUS_IDLE); |
| |
| if (mInputStream != 0) { |
| ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); |
| return INVALID_OPERATION; |
| } |
| |
| sp<Camera3InputStream> newStream = new Camera3InputStream(mNextStreamId, |
| width, height, format); |
| |
| mInputStream = newStream; |
| |
| *id = mNextStreamId++; |
| |
| // Continue captures if active at start |
| if (wasActive) { |
| ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); |
| res = configureStreamsLocked(); |
| if (res != OK) { |
| ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", |
| __FUNCTION__, mNextStreamId, strerror(-res), res); |
| return res; |
| } |
| mRequestThread->setPaused(false); |
| } |
| |
| return OK; |
| } |
| |
| |
| status_t Camera3Device::createZslStream( |
| uint32_t width, uint32_t height, |
| int depth, |
| /*out*/ |
| int *id, |
| sp<Camera3ZslStream>* zslStream) { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| |
| status_t res; |
| bool wasActive = false; |
| |
| switch (mStatus) { |
| case STATUS_ERROR: |
| ALOGE("%s: Device has encountered a serious error", __FUNCTION__); |
| return INVALID_OPERATION; |
| case STATUS_UNINITIALIZED: |
| ALOGE("%s: Device not initialized", __FUNCTION__); |
| return INVALID_OPERATION; |
| case STATUS_IDLE: |
| // OK |
| break; |
| case STATUS_ACTIVE: |
| ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); |
| mRequestThread->setPaused(true); |
| res = waitUntilDrainedLocked(); |
| if (res != OK) { |
| ALOGE("%s: Can't pause captures to reconfigure streams!", |
| __FUNCTION__); |
| mStatus = STATUS_ERROR; |
| return res; |
| } |
| wasActive = true; |
| break; |
| default: |
| ALOGE("%s: Unexpected status: %d", __FUNCTION__, mStatus); |
| return INVALID_OPERATION; |
| } |
| assert(mStatus == STATUS_IDLE); |
| |
| if (mInputStream != 0) { |
| ALOGE("%s: Cannot create more than 1 input stream", __FUNCTION__); |
| return INVALID_OPERATION; |
| } |
| |
| sp<Camera3ZslStream> newStream = new Camera3ZslStream(mNextStreamId, |
| width, height, depth); |
| |
| res = mOutputStreams.add(mNextStreamId, newStream); |
| if (res < 0) { |
| ALOGE("%s: Can't add new stream to set: %s (%d)", |
| __FUNCTION__, strerror(-res), res); |
| return res; |
| } |
| mInputStream = newStream; |
| |
| *id = mNextStreamId++; |
| *zslStream = newStream; |
| |
| // Continue captures if active at start |
| if (wasActive) { |
| ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); |
| res = configureStreamsLocked(); |
| if (res != OK) { |
| ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)", |
| __FUNCTION__, mNextStreamId, strerror(-res), res); |
| return res; |
| } |
| mRequestThread->setPaused(false); |
| } |
| |
| return OK; |
| } |
| |
| status_t Camera3Device::createStream(sp<ANativeWindow> consumer, |
| uint32_t width, uint32_t height, int format, size_t size, int *id) { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| |
| status_t res; |
| bool wasActive = false; |
| |
| switch (mStatus) { |
| case STATUS_ERROR: |
| CLOGE("Device has encountered a serious error"); |
| return INVALID_OPERATION; |
| case STATUS_UNINITIALIZED: |
| CLOGE("Device not initialized"); |
| return INVALID_OPERATION; |
| case STATUS_IDLE: |
| // OK |
| break; |
| case STATUS_ACTIVE: |
| ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__); |
| mRequestThread->setPaused(true); |
| res = waitUntilDrainedLocked(); |
| if (res != OK) { |
| ALOGE("%s: Can't pause captures to reconfigure streams!", |
| __FUNCTION__); |
| return res; |
| } |
| wasActive = true; |
| break; |
| default: |
| SET_ERR_L("Unexpected status: %d", mStatus); |
| return INVALID_OPERATION; |
| } |
| assert(mStatus == STATUS_IDLE); |
| |
| sp<Camera3OutputStream> newStream; |
| if (format == HAL_PIXEL_FORMAT_BLOB) { |
| newStream = new Camera3OutputStream(mNextStreamId, consumer, |
| width, height, size, format); |
| } else { |
| newStream = new Camera3OutputStream(mNextStreamId, consumer, |
| width, height, format); |
| } |
| |
| res = mOutputStreams.add(mNextStreamId, newStream); |
| if (res < 0) { |
| SET_ERR_L("Can't add new stream to set: %s (%d)", strerror(-res), res); |
| return res; |
| } |
| |
| *id = mNextStreamId++; |
| mNeedConfig = true; |
| |
| // Continue captures if active at start |
| if (wasActive) { |
| ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__); |
| res = configureStreamsLocked(); |
| if (res != OK) { |
| CLOGE("Can't reconfigure device for new stream %d: %s (%d)", |
| mNextStreamId, strerror(-res), res); |
| return res; |
| } |
| mRequestThread->setPaused(false); |
| } |
| |
| return OK; |
| } |
| |
| status_t Camera3Device::createReprocessStreamFromStream(int outputId, int *id) { |
| ATRACE_CALL(); |
| (void)outputId; (void)id; |
| |
| CLOGE("Unimplemented"); |
| return INVALID_OPERATION; |
| } |
| |
| |
| status_t Camera3Device::getStreamInfo(int id, |
| uint32_t *width, uint32_t *height, uint32_t *format) { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| |
| switch (mStatus) { |
| case STATUS_ERROR: |
| CLOGE("Device has encountered a serious error"); |
| return INVALID_OPERATION; |
| case STATUS_UNINITIALIZED: |
| CLOGE("Device not initialized!"); |
| return INVALID_OPERATION; |
| case STATUS_IDLE: |
| case STATUS_ACTIVE: |
| // OK |
| break; |
| default: |
| SET_ERR_L("Unexpected status: %d", mStatus); |
| return INVALID_OPERATION; |
| } |
| |
| ssize_t idx = mOutputStreams.indexOfKey(id); |
| if (idx == NAME_NOT_FOUND) { |
| CLOGE("Stream %d is unknown", id); |
| return idx; |
| } |
| |
| if (width) *width = mOutputStreams[idx]->getWidth(); |
| if (height) *height = mOutputStreams[idx]->getHeight(); |
| if (format) *format = mOutputStreams[idx]->getFormat(); |
| |
| return OK; |
| } |
| |
| status_t Camera3Device::setStreamTransform(int id, |
| int transform) { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| |
| switch (mStatus) { |
| case STATUS_ERROR: |
| CLOGE("Device has encountered a serious error"); |
| return INVALID_OPERATION; |
| case STATUS_UNINITIALIZED: |
| CLOGE("Device not initialized"); |
| return INVALID_OPERATION; |
| case STATUS_IDLE: |
| case STATUS_ACTIVE: |
| // OK |
| break; |
| default: |
| SET_ERR_L("Unexpected status: %d", mStatus); |
| return INVALID_OPERATION; |
| } |
| |
| ssize_t idx = mOutputStreams.indexOfKey(id); |
| if (idx == NAME_NOT_FOUND) { |
| CLOGE("Stream %d does not exist", |
| id); |
| return BAD_VALUE; |
| } |
| |
| return mOutputStreams.editValueAt(idx)->setTransform(transform); |
| } |
| |
| status_t Camera3Device::deleteStream(int id) { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| status_t res; |
| |
| ALOGV("%s: Camera %d: Deleting stream %d", __FUNCTION__, mId, id); |
| |
| // CameraDevice semantics require device to already be idle before |
| // deleteStream is called, unlike for createStream. |
| if (mStatus != STATUS_IDLE) { |
| ALOGV("%s: Camera %d: Device not idle", __FUNCTION__, mId); |
| return -EBUSY; |
| } |
| |
| sp<Camera3StreamInterface> deletedStream; |
| if (mInputStream != NULL && id == mInputStream->getId()) { |
| deletedStream = mInputStream; |
| mInputStream.clear(); |
| } else { |
| ssize_t idx = mOutputStreams.indexOfKey(id); |
| if (idx == NAME_NOT_FOUND) { |
| CLOGE("Stream %d does not exist", id); |
| return BAD_VALUE; |
| } |
| deletedStream = mOutputStreams.editValueAt(idx); |
| mOutputStreams.removeItem(id); |
| } |
| |
| // Free up the stream endpoint so that it can be used by some other stream |
| res = deletedStream->disconnect(); |
| if (res != OK) { |
| SET_ERR_L("Can't disconnect deleted stream %d", id); |
| // fall through since we want to still list the stream as deleted. |
| } |
| mDeletedStreams.add(deletedStream); |
| mNeedConfig = true; |
| |
| return res; |
| } |
| |
| status_t Camera3Device::deleteReprocessStream(int id) { |
| ATRACE_CALL(); |
| (void)id; |
| |
| CLOGE("Unimplemented"); |
| return INVALID_OPERATION; |
| } |
| |
| |
| status_t Camera3Device::createDefaultRequest(int templateId, |
| CameraMetadata *request) { |
| ATRACE_CALL(); |
| ALOGV("%s: E", __FUNCTION__); |
| Mutex::Autolock l(mLock); |
| |
| switch (mStatus) { |
| case STATUS_ERROR: |
| CLOGE("Device has encountered a serious error"); |
| return INVALID_OPERATION; |
| case STATUS_UNINITIALIZED: |
| CLOGE("Device is not initialized!"); |
| return INVALID_OPERATION; |
| case STATUS_IDLE: |
| case STATUS_ACTIVE: |
| // OK |
| break; |
| default: |
| SET_ERR_L("Unexpected status: %d", mStatus); |
| return INVALID_OPERATION; |
| } |
| |
| const camera_metadata_t *rawRequest; |
| rawRequest = mHal3Device->ops->construct_default_request_settings( |
| mHal3Device, templateId); |
| if (rawRequest == NULL) { |
| SET_ERR_L("HAL is unable to construct default settings for template %d", |
| templateId); |
| return DEAD_OBJECT; |
| } |
| *request = rawRequest; |
| |
| return OK; |
| } |
| |
| status_t Camera3Device::waitUntilDrained() { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| |
| return waitUntilDrainedLocked(); |
| } |
| |
| status_t Camera3Device::waitUntilDrainedLocked() { |
| ATRACE_CALL(); |
| status_t res; |
| |
| switch (mStatus) { |
| case STATUS_UNINITIALIZED: |
| case STATUS_IDLE: |
| ALOGV("%s: Already idle", __FUNCTION__); |
| return OK; |
| case STATUS_ERROR: |
| case STATUS_ACTIVE: |
| // Need to shut down |
| break; |
| default: |
| SET_ERR_L("Unexpected status: %d",mStatus); |
| return INVALID_OPERATION; |
| } |
| |
| if (mRequestThread != NULL) { |
| res = mRequestThread->waitUntilPaused(kShutdownTimeout); |
| if (res != OK) { |
| SET_ERR_L("Can't stop request thread in %f seconds!", |
| kShutdownTimeout/1e9); |
| return res; |
| } |
| } |
| if (mInputStream != NULL) { |
| res = mInputStream->waitUntilIdle(kShutdownTimeout); |
| if (res != OK) { |
| SET_ERR_L("Can't idle input stream %d in %f seconds!", |
| mInputStream->getId(), kShutdownTimeout/1e9); |
| return res; |
| } |
| } |
| for (size_t i = 0; i < mOutputStreams.size(); i++) { |
| res = mOutputStreams.editValueAt(i)->waitUntilIdle(kShutdownTimeout); |
| if (res != OK) { |
| SET_ERR_L("Can't idle output stream %d in %f seconds!", |
| mOutputStreams.keyAt(i), kShutdownTimeout/1e9); |
| return res; |
| } |
| } |
| |
| if (mStatus != STATUS_ERROR) { |
| mStatus = STATUS_IDLE; |
| } |
| |
| return OK; |
| } |
| |
| status_t Camera3Device::setNotifyCallback(NotificationListener *listener) { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mOutputLock); |
| |
| if (listener != NULL && mListener != NULL) { |
| ALOGW("%s: Replacing old callback listener", __FUNCTION__); |
| } |
| mListener = listener; |
| |
| return OK; |
| } |
| |
| bool Camera3Device::willNotify3A() { |
| return false; |
| } |
| |
| status_t Camera3Device::waitForNextFrame(nsecs_t timeout) { |
| ATRACE_CALL(); |
| status_t res; |
| Mutex::Autolock l(mOutputLock); |
| |
| while (mResultQueue.empty()) { |
| res = mResultSignal.waitRelative(mOutputLock, timeout); |
| if (res == TIMED_OUT) { |
| return res; |
| } else if (res != OK) { |
| ALOGW("%s: Camera %d: No frame in %lld ns: %s (%d)", |
| __FUNCTION__, mId, timeout, strerror(-res), res); |
| return res; |
| } |
| } |
| return OK; |
| } |
| |
| status_t Camera3Device::getNextFrame(CameraMetadata *frame) { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mOutputLock); |
| |
| if (mResultQueue.empty()) { |
| return NOT_ENOUGH_DATA; |
| } |
| |
| CameraMetadata &result = *(mResultQueue.begin()); |
| frame->acquire(result); |
| mResultQueue.erase(mResultQueue.begin()); |
| |
| return OK; |
| } |
| |
| status_t Camera3Device::triggerAutofocus(uint32_t id) { |
| ATRACE_CALL(); |
| |
| ALOGV("%s: Triggering autofocus, id %d", __FUNCTION__, id); |
| // Mix-in this trigger into the next request and only the next request. |
| RequestTrigger trigger[] = { |
| { |
| ANDROID_CONTROL_AF_TRIGGER, |
| ANDROID_CONTROL_AF_TRIGGER_START |
| }, |
| { |
| ANDROID_CONTROL_AF_TRIGGER_ID, |
| static_cast<int32_t>(id) |
| }, |
| }; |
| |
| return mRequestThread->queueTrigger(trigger, |
| sizeof(trigger)/sizeof(trigger[0])); |
| } |
| |
| status_t Camera3Device::triggerCancelAutofocus(uint32_t id) { |
| ATRACE_CALL(); |
| |
| ALOGV("%s: Triggering cancel autofocus, id %d", __FUNCTION__, id); |
| // Mix-in this trigger into the next request and only the next request. |
| RequestTrigger trigger[] = { |
| { |
| ANDROID_CONTROL_AF_TRIGGER, |
| ANDROID_CONTROL_AF_TRIGGER_CANCEL |
| }, |
| { |
| ANDROID_CONTROL_AF_TRIGGER_ID, |
| static_cast<int32_t>(id) |
| }, |
| }; |
| |
| return mRequestThread->queueTrigger(trigger, |
| sizeof(trigger)/sizeof(trigger[0])); |
| } |
| |
| status_t Camera3Device::triggerPrecaptureMetering(uint32_t id) { |
| ATRACE_CALL(); |
| |
| ALOGV("%s: Triggering precapture metering, id %d", __FUNCTION__, id); |
| // Mix-in this trigger into the next request and only the next request. |
| RequestTrigger trigger[] = { |
| { |
| ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, |
| ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_START |
| }, |
| { |
| ANDROID_CONTROL_AE_PRECAPTURE_ID, |
| static_cast<int32_t>(id) |
| }, |
| }; |
| |
| return mRequestThread->queueTrigger(trigger, |
| sizeof(trigger)/sizeof(trigger[0])); |
| } |
| |
| status_t Camera3Device::pushReprocessBuffer(int reprocessStreamId, |
| buffer_handle_t *buffer, wp<BufferReleasedListener> listener) { |
| ATRACE_CALL(); |
| (void)reprocessStreamId; (void)buffer; (void)listener; |
| |
| CLOGE("Unimplemented"); |
| return INVALID_OPERATION; |
| } |
| |
| /** |
| * Camera3Device private methods |
| */ |
| |
| sp<Camera3Device::CaptureRequest> Camera3Device::createCaptureRequest( |
| const CameraMetadata &request) { |
| ATRACE_CALL(); |
| status_t res; |
| |
| sp<CaptureRequest> newRequest = new CaptureRequest; |
| newRequest->mSettings = request; |
| |
| camera_metadata_entry_t inputStreams = |
| newRequest->mSettings.find(ANDROID_REQUEST_INPUT_STREAMS); |
| if (inputStreams.count > 0) { |
| if (mInputStream == NULL || |
| mInputStream->getId() != inputStreams.data.u8[0]) { |
| CLOGE("Request references unknown input stream %d", |
| inputStreams.data.u8[0]); |
| return NULL; |
| } |
| // Lazy completion of stream configuration (allocation/registration) |
| // on first use |
| if (mInputStream->isConfiguring()) { |
| res = mInputStream->finishConfiguration(mHal3Device); |
| if (res != OK) { |
| SET_ERR_L("Unable to finish configuring input stream %d:" |
| " %s (%d)", |
| mInputStream->getId(), strerror(-res), res); |
| return NULL; |
| } |
| } |
| |
| newRequest->mInputStream = mInputStream; |
| newRequest->mSettings.erase(ANDROID_REQUEST_INPUT_STREAMS); |
| } |
| |
| camera_metadata_entry_t streams = |
| newRequest->mSettings.find(ANDROID_REQUEST_OUTPUT_STREAMS); |
| if (streams.count == 0) { |
| CLOGE("Zero output streams specified!"); |
| return NULL; |
| } |
| |
| for (size_t i = 0; i < streams.count; i++) { |
| int idx = mOutputStreams.indexOfKey(streams.data.u8[i]); |
| if (idx == NAME_NOT_FOUND) { |
| CLOGE("Request references unknown stream %d", |
| streams.data.u8[i]); |
| return NULL; |
| } |
| sp<Camera3OutputStreamInterface> stream = |
| mOutputStreams.editValueAt(idx); |
| |
| // Lazy completion of stream configuration (allocation/registration) |
| // on first use |
| if (stream->isConfiguring()) { |
| res = stream->finishConfiguration(mHal3Device); |
| if (res != OK) { |
| SET_ERR_L("Unable to finish configuring stream %d: %s (%d)", |
| stream->getId(), strerror(-res), res); |
| return NULL; |
| } |
| } |
| |
| newRequest->mOutputStreams.push(stream); |
| } |
| newRequest->mSettings.erase(ANDROID_REQUEST_OUTPUT_STREAMS); |
| |
| return newRequest; |
| } |
| |
| status_t Camera3Device::configureStreamsLocked() { |
| ATRACE_CALL(); |
| status_t res; |
| |
| if (mStatus != STATUS_IDLE) { |
| CLOGE("Not idle"); |
| return INVALID_OPERATION; |
| } |
| |
| if (!mNeedConfig) { |
| ALOGV("%s: Skipping config, no stream changes", __FUNCTION__); |
| mStatus = STATUS_ACTIVE; |
| return OK; |
| } |
| |
| // Start configuring the streams |
| |
| camera3_stream_configuration config; |
| |
| config.num_streams = (mInputStream != NULL) + mOutputStreams.size(); |
| |
| Vector<camera3_stream_t*> streams; |
| streams.setCapacity(config.num_streams); |
| |
| if (mInputStream != NULL) { |
| camera3_stream_t *inputStream; |
| inputStream = mInputStream->startConfiguration(); |
| if (inputStream == NULL) { |
| SET_ERR_L("Can't start input stream configuration"); |
| return INVALID_OPERATION; |
| } |
| streams.add(inputStream); |
| } |
| |
| for (size_t i = 0; i < mOutputStreams.size(); i++) { |
| |
| // Don't configure bidi streams twice, nor add them twice to the list |
| if (mOutputStreams[i].get() == |
| static_cast<Camera3StreamInterface*>(mInputStream.get())) { |
| |
| config.num_streams--; |
| continue; |
| } |
| |
| camera3_stream_t *outputStream; |
| outputStream = mOutputStreams.editValueAt(i)->startConfiguration(); |
| if (outputStream == NULL) { |
| SET_ERR_L("Can't start output stream configuration"); |
| return INVALID_OPERATION; |
| } |
| streams.add(outputStream); |
| } |
| |
| config.streams = streams.editArray(); |
| |
| // Do the HAL configuration; will potentially touch stream |
| // max_buffers, usage, priv fields. |
| |
| res = mHal3Device->ops->configure_streams(mHal3Device, &config); |
| |
| if (res != OK) { |
| SET_ERR_L("Unable to configure streams with HAL: %s (%d)", |
| strerror(-res), res); |
| return res; |
| } |
| |
| // Finish all stream configuration immediately. |
| // TODO: Try to relax this later back to lazy completion, which should be |
| // faster |
| |
| if (mInputStream != NULL && mInputStream->isConfiguring()) { |
| res = mInputStream->finishConfiguration(mHal3Device); |
| if (res != OK) { |
| SET_ERR_L("Can't finish configuring input stream %d: %s (%d)", |
| mInputStream->getId(), strerror(-res), res); |
| return res; |
| } |
| } |
| |
| for (size_t i = 0; i < mOutputStreams.size(); i++) { |
| sp<Camera3OutputStreamInterface> outputStream = |
| mOutputStreams.editValueAt(i); |
| if (outputStream->isConfiguring()) { |
| res = outputStream->finishConfiguration(mHal3Device); |
| if (res != OK) { |
| SET_ERR_L("Can't finish configuring output stream %d: %s (%d)", |
| outputStream->getId(), strerror(-res), res); |
| return res; |
| } |
| } |
| } |
| |
| // Request thread needs to know to avoid using repeat-last-settings protocol |
| // across configure_streams() calls |
| mRequestThread->configurationComplete(); |
| |
| // Finish configuring the streams lazily on first reference |
| |
| mStatus = STATUS_ACTIVE; |
| mNeedConfig = false; |
| |
| return OK; |
| } |
| |
| void Camera3Device::setErrorState(const char *fmt, ...) { |
| Mutex::Autolock l(mLock); |
| va_list args; |
| va_start(args, fmt); |
| |
| setErrorStateLockedV(fmt, args); |
| |
| va_end(args); |
| } |
| |
| void Camera3Device::setErrorStateV(const char *fmt, va_list args) { |
| Mutex::Autolock l(mLock); |
| setErrorStateLockedV(fmt, args); |
| } |
| |
| void Camera3Device::setErrorStateLocked(const char *fmt, ...) { |
| va_list args; |
| va_start(args, fmt); |
| |
| setErrorStateLockedV(fmt, args); |
| |
| va_end(args); |
| } |
| |
| void Camera3Device::setErrorStateLockedV(const char *fmt, va_list args) { |
| // Print out all error messages to log |
| String8 errorCause = String8::formatV(fmt, args); |
| ALOGE("Camera %d: %s", mId, errorCause.string()); |
| |
| // But only do error state transition steps for the first error |
| if (mStatus == STATUS_ERROR || mStatus == STATUS_UNINITIALIZED) return; |
| |
| mErrorCause = errorCause; |
| |
| mRequestThread->setPaused(true); |
| mStatus = STATUS_ERROR; |
| } |
| |
| /** |
| * In-flight request management |
| */ |
| |
| status_t Camera3Device::registerInFlight(int32_t frameNumber, |
| int32_t numBuffers) { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mInFlightLock); |
| |
| ssize_t res; |
| res = mInFlightMap.add(frameNumber, InFlightRequest(numBuffers)); |
| if (res < 0) return res; |
| |
| return OK; |
| } |
| |
| /** |
| * Camera HAL device callback methods |
| */ |
| |
| void Camera3Device::processCaptureResult(const camera3_capture_result *result) { |
| ATRACE_CALL(); |
| |
| status_t res; |
| |
| uint32_t frameNumber = result->frame_number; |
| if (result->result == NULL && result->num_output_buffers == 0) { |
| SET_ERR("No result data provided by HAL for frame %d", |
| frameNumber); |
| return; |
| } |
| |
| // Get capture timestamp from list of in-flight requests, where it was added |
| // by the shutter notification for this frame. Then update the in-flight |
| // status and remove the in-flight entry if all result data has been |
| // received. |
| nsecs_t timestamp = 0; |
| { |
| Mutex::Autolock l(mInFlightLock); |
| ssize_t idx = mInFlightMap.indexOfKey(frameNumber); |
| if (idx == NAME_NOT_FOUND) { |
| SET_ERR("Unknown frame number for capture result: %d", |
| frameNumber); |
| return; |
| } |
| InFlightRequest &request = mInFlightMap.editValueAt(idx); |
| timestamp = request.captureTimestamp; |
| if (timestamp == 0) { |
| SET_ERR("Called before shutter notify for frame %d", |
| frameNumber); |
| return; |
| } |
| |
| if (result->result != NULL) { |
| if (request.haveResultMetadata) { |
| SET_ERR("Called multiple times with metadata for frame %d", |
| frameNumber); |
| return; |
| } |
| request.haveResultMetadata = true; |
| } |
| |
| request.numBuffersLeft -= result->num_output_buffers; |
| |
| if (request.numBuffersLeft < 0) { |
| SET_ERR("Too many buffers returned for frame %d", |
| frameNumber); |
| return; |
| } |
| |
| if (request.haveResultMetadata && request.numBuffersLeft == 0) { |
| mInFlightMap.removeItemsAt(idx, 1); |
| } |
| |
| // Sanity check - if we have too many in-flight frames, something has |
| // likely gone wrong |
| if (mInFlightMap.size() > kInFlightWarnLimit) { |
| CLOGE("In-flight list too large: %d", mInFlightMap.size()); |
| } |
| |
| } |
| |
| // Process the result metadata, if provided |
| if (result->result != NULL) { |
| Mutex::Autolock l(mOutputLock); |
| |
| if (frameNumber != mNextResultFrameNumber) { |
| SET_ERR("Out-of-order capture result metadata submitted! " |
| "(got frame number %d, expecting %d)", |
| frameNumber, mNextResultFrameNumber); |
| return; |
| } |
| mNextResultFrameNumber++; |
| |
| CameraMetadata &captureResult = |
| *mResultQueue.insert(mResultQueue.end(), CameraMetadata()); |
| |
| captureResult = result->result; |
| if (captureResult.update(ANDROID_REQUEST_FRAME_COUNT, |
| (int32_t*)&frameNumber, 1) != OK) { |
| SET_ERR("Failed to set frame# in metadata (%d)", |
| frameNumber); |
| } else { |
| ALOGVV("%s: Camera %d: Set frame# in metadata (%d)", |
| __FUNCTION__, mId, frameNumber); |
| } |
| |
| // Check that there's a timestamp in the result metadata |
| |
| camera_metadata_entry entry = |
| captureResult.find(ANDROID_SENSOR_TIMESTAMP); |
| if (entry.count == 0) { |
| SET_ERR("No timestamp provided by HAL for frame %d!", |
| frameNumber); |
| } |
| if (timestamp != entry.data.i64[0]) { |
| SET_ERR("Timestamp mismatch between shutter notify and result" |
| " metadata for frame %d (%lld vs %lld respectively)", |
| frameNumber, timestamp, entry.data.i64[0]); |
| } |
| } // scope for mOutputLock |
| |
| // Return completed buffers to their streams with the timestamp |
| |
| for (size_t i = 0; i < result->num_output_buffers; i++) { |
| Camera3Stream *stream = |
| Camera3Stream::cast(result->output_buffers[i].stream); |
| res = stream->returnBuffer(result->output_buffers[i], timestamp); |
| // Note: stream may be deallocated at this point, if this buffer was the |
| // last reference to it. |
| if (res != OK) { |
| SET_ERR("Can't return buffer %d for frame %d to its stream: " |
| " %s (%d)", i, frameNumber, strerror(-res), res); |
| } |
| } |
| |
| // Finally, signal any waiters for new frames |
| |
| if (result->result != NULL) { |
| mResultSignal.signal(); |
| } |
| |
| } |
| |
| |
| |
| void Camera3Device::notify(const camera3_notify_msg *msg) { |
| NotificationListener *listener; |
| { |
| Mutex::Autolock l(mOutputLock); |
| listener = mListener; |
| } |
| |
| if (msg == NULL) { |
| SET_ERR("HAL sent NULL notify message!"); |
| return; |
| } |
| |
| switch (msg->type) { |
| case CAMERA3_MSG_ERROR: { |
| int streamId = 0; |
| if (msg->message.error.error_stream != NULL) { |
| Camera3Stream *stream = |
| Camera3Stream::cast( |
| msg->message.error.error_stream); |
| streamId = stream->getId(); |
| } |
| if (listener != NULL) { |
| listener->notifyError(msg->message.error.error_code, |
| msg->message.error.frame_number, streamId); |
| } |
| break; |
| } |
| case CAMERA3_MSG_SHUTTER: { |
| ssize_t idx; |
| uint32_t frameNumber = msg->message.shutter.frame_number; |
| nsecs_t timestamp = msg->message.shutter.timestamp; |
| // Verify ordering of shutter notifications |
| { |
| Mutex::Autolock l(mOutputLock); |
| if (frameNumber != mNextShutterFrameNumber) { |
| SET_ERR("Shutter notification out-of-order. Expected " |
| "notification for frame %d, got frame %d", |
| mNextShutterFrameNumber, frameNumber); |
| break; |
| } |
| mNextShutterFrameNumber++; |
| } |
| |
| // Set timestamp for the request in the in-flight tracking |
| { |
| Mutex::Autolock l(mInFlightLock); |
| idx = mInFlightMap.indexOfKey(frameNumber); |
| if (idx >= 0) { |
| mInFlightMap.editValueAt(idx).captureTimestamp = timestamp; |
| } |
| } |
| if (idx < 0) { |
| SET_ERR("Shutter notification for non-existent frame number %d", |
| frameNumber); |
| break; |
| } |
| |
| // Call listener, if any |
| if (listener != NULL) { |
| listener->notifyShutter(frameNumber, timestamp); |
| } |
| break; |
| } |
| default: |
| SET_ERR("Unknown notify message from HAL: %d", |
| msg->type); |
| } |
| } |
| |
| /** |
| * RequestThread inner class methods |
| */ |
| |
| Camera3Device::RequestThread::RequestThread(wp<Camera3Device> parent, |
| camera3_device_t *hal3Device) : |
| Thread(false), |
| mParent(parent), |
| mHal3Device(hal3Device), |
| mId(getId(parent)), |
| mReconfigured(false), |
| mDoPause(false), |
| mPaused(true), |
| mFrameNumber(0), |
| mLatestRequestId(NAME_NOT_FOUND) { |
| } |
| |
| void Camera3Device::RequestThread::configurationComplete() { |
| Mutex::Autolock l(mRequestLock); |
| mReconfigured = true; |
| } |
| |
| status_t Camera3Device::RequestThread::queueRequest( |
| sp<CaptureRequest> request) { |
| Mutex::Autolock l(mRequestLock); |
| mRequestQueue.push_back(request); |
| |
| return OK; |
| } |
| |
| |
| status_t Camera3Device::RequestThread::queueTrigger( |
| RequestTrigger trigger[], |
| size_t count) { |
| |
| Mutex::Autolock l(mTriggerMutex); |
| status_t ret; |
| |
| for (size_t i = 0; i < count; ++i) { |
| ret = queueTriggerLocked(trigger[i]); |
| |
| if (ret != OK) { |
| return ret; |
| } |
| } |
| |
| return OK; |
| } |
| |
| int Camera3Device::RequestThread::getId(const wp<Camera3Device> &device) { |
| sp<Camera3Device> d = device.promote(); |
| if (d != NULL) return d->mId; |
| return 0; |
| } |
| |
| status_t Camera3Device::RequestThread::queueTriggerLocked( |
| RequestTrigger trigger) { |
| |
| uint32_t tag = trigger.metadataTag; |
| ssize_t index = mTriggerMap.indexOfKey(tag); |
| |
| switch (trigger.getTagType()) { |
| case TYPE_BYTE: |
| // fall-through |
| case TYPE_INT32: |
| break; |
| default: |
| ALOGE("%s: Type not supported: 0x%x", __FUNCTION__, |
| trigger.getTagType()); |
| return INVALID_OPERATION; |
| } |
| |
| /** |
| * Collect only the latest trigger, since we only have 1 field |
| * in the request settings per trigger tag, and can't send more than 1 |
| * trigger per request. |
| */ |
| if (index != NAME_NOT_FOUND) { |
| mTriggerMap.editValueAt(index) = trigger; |
| } else { |
| mTriggerMap.add(tag, trigger); |
| } |
| |
| return OK; |
| } |
| |
| status_t Camera3Device::RequestThread::setRepeatingRequests( |
| const RequestList &requests) { |
| Mutex::Autolock l(mRequestLock); |
| mRepeatingRequests.clear(); |
| mRepeatingRequests.insert(mRepeatingRequests.begin(), |
| requests.begin(), requests.end()); |
| return OK; |
| } |
| |
| status_t Camera3Device::RequestThread::clearRepeatingRequests() { |
| Mutex::Autolock l(mRequestLock); |
| mRepeatingRequests.clear(); |
| return OK; |
| } |
| |
| void Camera3Device::RequestThread::setPaused(bool paused) { |
| Mutex::Autolock l(mPauseLock); |
| mDoPause = paused; |
| mDoPauseSignal.signal(); |
| } |
| |
| status_t Camera3Device::RequestThread::waitUntilPaused(nsecs_t timeout) { |
| status_t res; |
| Mutex::Autolock l(mPauseLock); |
| while (!mPaused) { |
| res = mPausedSignal.waitRelative(mPauseLock, timeout); |
| if (res == TIMED_OUT) { |
| return res; |
| } |
| } |
| return OK; |
| } |
| |
| status_t Camera3Device::RequestThread::waitUntilRequestProcessed( |
| int32_t requestId, nsecs_t timeout) { |
| Mutex::Autolock l(mLatestRequestMutex); |
| status_t res; |
| while (mLatestRequestId != requestId) { |
| nsecs_t startTime = systemTime(); |
| |
| res = mLatestRequestSignal.waitRelative(mLatestRequestMutex, timeout); |
| if (res != OK) return res; |
| |
| timeout -= (systemTime() - startTime); |
| } |
| |
| return OK; |
| } |
| |
| |
| |
| bool Camera3Device::RequestThread::threadLoop() { |
| |
| status_t res; |
| |
| // Handle paused state. |
| if (waitIfPaused()) { |
| return true; |
| } |
| |
| // Get work to do |
| |
| sp<CaptureRequest> nextRequest = waitForNextRequest(); |
| if (nextRequest == NULL) { |
| return true; |
| } |
| |
| // Create request to HAL |
| camera3_capture_request_t request = camera3_capture_request_t(); |
| Vector<camera3_stream_buffer_t> outputBuffers; |
| |
| // Insert any queued triggers (before metadata is locked) |
| int32_t triggerCount; |
| res = insertTriggers(nextRequest); |
| if (res < 0) { |
| SET_ERR("RequestThread: Unable to insert triggers " |
| "(capture request %d, HAL device: %s (%d)", |
| (mFrameNumber+1), strerror(-res), res); |
| cleanUpFailedRequest(request, nextRequest, outputBuffers); |
| return false; |
| } |
| triggerCount = res; |
| |
| bool triggersMixedIn = (triggerCount > 0 || mPrevTriggers > 0); |
| |
| // If the request is the same as last, or we had triggers last time |
| if (mPrevRequest != nextRequest || triggersMixedIn) { |
| /** |
| * The request should be presorted so accesses in HAL |
| * are O(logn). Sidenote, sorting a sorted metadata is nop. |
| */ |
| nextRequest->mSettings.sort(); |
| request.settings = nextRequest->mSettings.getAndLock(); |
| mPrevRequest = nextRequest; |
| ALOGVV("%s: Request settings are NEW", __FUNCTION__); |
| |
| IF_ALOGV() { |
| camera_metadata_ro_entry_t e = camera_metadata_ro_entry_t(); |
| find_camera_metadata_ro_entry( |
| request.settings, |
| ANDROID_CONTROL_AF_TRIGGER, |
| &e |
| ); |
| if (e.count > 0) { |
| ALOGV("%s: Request (frame num %d) had AF trigger 0x%x", |
| __FUNCTION__, |
| mFrameNumber+1, |
| e.data.u8[0]); |
| } |
| } |
| } else { |
| // leave request.settings NULL to indicate 'reuse latest given' |
| ALOGVV("%s: Request settings are REUSED", |
| __FUNCTION__); |
| } |
| |
| camera3_stream_buffer_t inputBuffer; |
| |
| // Fill in buffers |
| |
| if (nextRequest->mInputStream != NULL) { |
| request.input_buffer = &inputBuffer; |
| res = nextRequest->mInputStream->getInputBuffer(&inputBuffer); |
| if (res != OK) { |
| SET_ERR("RequestThread: Can't get input buffer, skipping request:" |
| " %s (%d)", strerror(-res), res); |
| cleanUpFailedRequest(request, nextRequest, outputBuffers); |
| return true; |
| } |
| } else { |
| request.input_buffer = NULL; |
| } |
| |
| outputBuffers.insertAt(camera3_stream_buffer_t(), 0, |
| nextRequest->mOutputStreams.size()); |
| request.output_buffers = outputBuffers.array(); |
| for (size_t i = 0; i < nextRequest->mOutputStreams.size(); i++) { |
| res = nextRequest->mOutputStreams.editItemAt(i)-> |
| getBuffer(&outputBuffers.editItemAt(i)); |
| if (res != OK) { |
| SET_ERR("RequestThread: Can't get output buffer, skipping request:" |
| "%s (%d)", strerror(-res), res); |
| cleanUpFailedRequest(request, nextRequest, outputBuffers); |
| return true; |
| } |
| request.num_output_buffers++; |
| } |
| |
| request.frame_number = mFrameNumber++; |
| |
| // Log request in the in-flight queue |
| sp<Camera3Device> parent = mParent.promote(); |
| if (parent == NULL) { |
| CLOGE("RequestThread: Parent is gone"); |
| cleanUpFailedRequest(request, nextRequest, outputBuffers); |
| return false; |
| } |
| |
| res = parent->registerInFlight(request.frame_number, |
| request.num_output_buffers); |
| if (res != OK) { |
| SET_ERR("RequestThread: Unable to register new in-flight request:" |
| " %s (%d)", strerror(-res), res); |
| cleanUpFailedRequest(request, nextRequest, outputBuffers); |
| return false; |
| } |
| |
| // Submit request and block until ready for next one |
| |
| res = mHal3Device->ops->process_capture_request(mHal3Device, &request); |
| if (res != OK) { |
| SET_ERR("RequestThread: Unable to submit capture request %d to HAL" |
| " device: %s (%d)", request.frame_number, strerror(-res), res); |
| cleanUpFailedRequest(request, nextRequest, outputBuffers); |
| return false; |
| } |
| |
| if (request.settings != NULL) { |
| nextRequest->mSettings.unlock(request.settings); |
| } |
| |
| // Remove any previously queued triggers (after unlock) |
| res = removeTriggers(mPrevRequest); |
| if (res != OK) { |
| SET_ERR("RequestThread: Unable to remove triggers " |
| "(capture request %d, HAL device: %s (%d)", |
| request.frame_number, strerror(-res), res); |
| return false; |
| } |
| mPrevTriggers = triggerCount; |
| |
| // Read android.request.id from the request settings metadata |
| // - inform waitUntilRequestProcessed thread of a new request ID |
| { |
| Mutex::Autolock al(mLatestRequestMutex); |
| |
| camera_metadata_entry_t requestIdEntry = |
| nextRequest->mSettings.find(ANDROID_REQUEST_ID); |
| if (requestIdEntry.count > 0) { |
| mLatestRequestId = requestIdEntry.data.i32[0]; |
| } else { |
| ALOGW("%s: Did not have android.request.id set in the request", |
| __FUNCTION__); |
| mLatestRequestId = NAME_NOT_FOUND; |
| } |
| |
| mLatestRequestSignal.signal(); |
| } |
| |
| // Return input buffer back to framework |
| if (request.input_buffer != NULL) { |
| Camera3Stream *stream = |
| Camera3Stream::cast(request.input_buffer->stream); |
| res = stream->returnInputBuffer(*(request.input_buffer)); |
| // Note: stream may be deallocated at this point, if this buffer was the |
| // last reference to it. |
| if (res != OK) { |
| ALOGE("%s: RequestThread: Can't return input buffer for frame %d to" |
| " its stream:%s (%d)", __FUNCTION__, |
| request.frame_number, strerror(-res), res); |
| // TODO: Report error upstream |
| } |
| } |
| |
| |
| |
| return true; |
| } |
| |
| void Camera3Device::RequestThread::cleanUpFailedRequest( |
| camera3_capture_request_t &request, |
| sp<CaptureRequest> &nextRequest, |
| Vector<camera3_stream_buffer_t> &outputBuffers) { |
| |
| if (request.settings != NULL) { |
| nextRequest->mSettings.unlock(request.settings); |
| } |
| if (request.input_buffer != NULL) { |
| request.input_buffer->status = CAMERA3_BUFFER_STATUS_ERROR; |
| nextRequest->mInputStream->returnInputBuffer(*(request.input_buffer)); |
| } |
| for (size_t i = 0; i < request.num_output_buffers; i++) { |
| outputBuffers.editItemAt(i).status = CAMERA3_BUFFER_STATUS_ERROR; |
| nextRequest->mOutputStreams.editItemAt(i)->returnBuffer( |
| outputBuffers[i], 0); |
| } |
| } |
| |
| sp<Camera3Device::CaptureRequest> |
| Camera3Device::RequestThread::waitForNextRequest() { |
| status_t res; |
| sp<CaptureRequest> nextRequest; |
| |
| // Optimized a bit for the simple steady-state case (single repeating |
| // request), to avoid putting that request in the queue temporarily. |
| Mutex::Autolock l(mRequestLock); |
| |
| while (mRequestQueue.empty()) { |
| if (!mRepeatingRequests.empty()) { |
| // Always atomically enqueue all requests in a repeating request |
| // list. Guarantees a complete in-sequence set of captures to |
| // application. |
| const RequestList &requests = mRepeatingRequests; |
| RequestList::const_iterator firstRequest = |
| requests.begin(); |
| nextRequest = *firstRequest; |
| mRequestQueue.insert(mRequestQueue.end(), |
| ++firstRequest, |
| requests.end()); |
| // No need to wait any longer |
| break; |
| } |
| |
| res = mRequestSignal.waitRelative(mRequestLock, kRequestTimeout); |
| |
| if (res == TIMED_OUT) { |
| // Signal that we're paused by starvation |
| Mutex::Autolock pl(mPauseLock); |
| if (mPaused == false) { |
| mPaused = true; |
| mPausedSignal.signal(); |
| } |
| // Stop waiting for now and let thread management happen |
| return NULL; |
| } |
| } |
| |
| if (nextRequest == NULL) { |
| // Don't have a repeating request already in hand, so queue |
| // must have an entry now. |
| RequestList::iterator firstRequest = |
| mRequestQueue.begin(); |
| nextRequest = *firstRequest; |
| mRequestQueue.erase(firstRequest); |
| } |
| |
| // Not paused |
| Mutex::Autolock pl(mPauseLock); |
| mPaused = false; |
| |
| // Check if we've reconfigured since last time, and reset the preview |
| // request if so. Can't use 'NULL request == repeat' across configure calls. |
| if (mReconfigured) { |
| mPrevRequest.clear(); |
| mReconfigured = false; |
| } |
| |
| return nextRequest; |
| } |
| |
| bool Camera3Device::RequestThread::waitIfPaused() { |
| status_t res; |
| Mutex::Autolock l(mPauseLock); |
| while (mDoPause) { |
| // Signal that we're paused by request |
| if (mPaused == false) { |
| mPaused = true; |
| mPausedSignal.signal(); |
| } |
| res = mDoPauseSignal.waitRelative(mPauseLock, kRequestTimeout); |
| if (res == TIMED_OUT) { |
| return true; |
| } |
| } |
| // We don't set mPaused to false here, because waitForNextRequest needs |
| // to further manage the paused state in case of starvation. |
| return false; |
| } |
| |
| void Camera3Device::RequestThread::setErrorState(const char *fmt, ...) { |
| sp<Camera3Device> parent = mParent.promote(); |
| if (parent != NULL) { |
| va_list args; |
| va_start(args, fmt); |
| |
| parent->setErrorStateV(fmt, args); |
| |
| va_end(args); |
| } |
| } |
| |
| status_t Camera3Device::RequestThread::insertTriggers( |
| const sp<CaptureRequest> &request) { |
| |
| Mutex::Autolock al(mTriggerMutex); |
| |
| CameraMetadata &metadata = request->mSettings; |
| size_t count = mTriggerMap.size(); |
| |
| for (size_t i = 0; i < count; ++i) { |
| RequestTrigger trigger = mTriggerMap.valueAt(i); |
| |
| uint32_t tag = trigger.metadataTag; |
| camera_metadata_entry entry = metadata.find(tag); |
| |
| if (entry.count > 0) { |
| /** |
| * Already has an entry for this trigger in the request. |
| * Rewrite it with our requested trigger value. |
| */ |
| RequestTrigger oldTrigger = trigger; |
| |
| oldTrigger.entryValue = entry.data.u8[0]; |
| |
| mTriggerReplacedMap.add(tag, oldTrigger); |
| } else { |
| /** |
| * More typical, no trigger entry, so we just add it |
| */ |
| mTriggerRemovedMap.add(tag, trigger); |
| } |
| |
| status_t res; |
| |
| switch (trigger.getTagType()) { |
| case TYPE_BYTE: { |
| uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); |
| res = metadata.update(tag, |
| &entryValue, |
| /*count*/1); |
| break; |
| } |
| case TYPE_INT32: |
| res = metadata.update(tag, |
| &trigger.entryValue, |
| /*count*/1); |
| break; |
| default: |
| ALOGE("%s: Type not supported: 0x%x", |
| __FUNCTION__, |
| trigger.getTagType()); |
| return INVALID_OPERATION; |
| } |
| |
| if (res != OK) { |
| ALOGE("%s: Failed to update request metadata with trigger tag %s" |
| ", value %d", __FUNCTION__, trigger.getTagName(), |
| trigger.entryValue); |
| return res; |
| } |
| |
| ALOGV("%s: Mixed in trigger %s, value %d", __FUNCTION__, |
| trigger.getTagName(), |
| trigger.entryValue); |
| } |
| |
| mTriggerMap.clear(); |
| |
| return count; |
| } |
| |
| status_t Camera3Device::RequestThread::removeTriggers( |
| const sp<CaptureRequest> &request) { |
| Mutex::Autolock al(mTriggerMutex); |
| |
| CameraMetadata &metadata = request->mSettings; |
| |
| /** |
| * Replace all old entries with their old values. |
| */ |
| for (size_t i = 0; i < mTriggerReplacedMap.size(); ++i) { |
| RequestTrigger trigger = mTriggerReplacedMap.valueAt(i); |
| |
| status_t res; |
| |
| uint32_t tag = trigger.metadataTag; |
| switch (trigger.getTagType()) { |
| case TYPE_BYTE: { |
| uint8_t entryValue = static_cast<uint8_t>(trigger.entryValue); |
| res = metadata.update(tag, |
| &entryValue, |
| /*count*/1); |
| break; |
| } |
| case TYPE_INT32: |
| res = metadata.update(tag, |
| &trigger.entryValue, |
| /*count*/1); |
| break; |
| default: |
| ALOGE("%s: Type not supported: 0x%x", |
| __FUNCTION__, |
| trigger.getTagType()); |
| return INVALID_OPERATION; |
| } |
| |
| if (res != OK) { |
| ALOGE("%s: Failed to restore request metadata with trigger tag %s" |
| ", trigger value %d", __FUNCTION__, |
| trigger.getTagName(), trigger.entryValue); |
| return res; |
| } |
| } |
| mTriggerReplacedMap.clear(); |
| |
| /** |
| * Remove all new entries. |
| */ |
| for (size_t i = 0; i < mTriggerRemovedMap.size(); ++i) { |
| RequestTrigger trigger = mTriggerRemovedMap.valueAt(i); |
| status_t res = metadata.erase(trigger.metadataTag); |
| |
| if (res != OK) { |
| ALOGE("%s: Failed to erase metadata with trigger tag %s" |
| ", trigger value %d", __FUNCTION__, |
| trigger.getTagName(), trigger.entryValue); |
| return res; |
| } |
| } |
| mTriggerRemovedMap.clear(); |
| |
| return OK; |
| } |
| |
| |
| |
| /** |
| * Static callback forwarding methods from HAL to instance |
| */ |
| |
| void Camera3Device::sProcessCaptureResult(const camera3_callback_ops *cb, |
| const camera3_capture_result *result) { |
| Camera3Device *d = |
| const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); |
| d->processCaptureResult(result); |
| } |
| |
| void Camera3Device::sNotify(const camera3_callback_ops *cb, |
| const camera3_notify_msg *msg) { |
| Camera3Device *d = |
| const_cast<Camera3Device*>(static_cast<const Camera3Device*>(cb)); |
| d->notify(msg); |
| } |
| |
| }; // namespace android |
