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/*
* 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 %s: %s: " fmt, mId.string(), __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 <inttypes.h>
#include <utils/Log.h>
#include <utils/Trace.h>
#include <utils/Timers.h>
#include <cutils/properties.h>
#include <android/hardware/camera2/ICameraDeviceUser.h>
#include "utils/CameraTraces.h"
#include "mediautils/SchedulingPolicyService.h"
#include "device3/Camera3Device.h"
#include "device3/Camera3OutputStream.h"
#include "device3/Camera3InputStream.h"
#include "device3/Camera3DummyStream.h"
#include "device3/Camera3SharedOutputStream.h"
#include "CameraService.h"
using namespace android::camera3;
using namespace android::hardware::camera;
using namespace android::hardware::camera::device::V3_2;
namespace android {
Camera3Device::Camera3Device(const String8 &id):
mId(id),
mOperatingMode(NO_MODE),
mIsConstrainedHighSpeedConfiguration(false),
mStatus(STATUS_UNINITIALIZED),
mStatusWaiters(0),
mUsePartialResult(false),
mNumPartialResults(1),
mTimestampOffset(0),
mNextResultFrameNumber(0),
mNextReprocessResultFrameNumber(0),
mNextShutterFrameNumber(0),
mNextReprocessShutterFrameNumber(0),
mListener(NULL),
mVendorTagId(CAMERA_METADATA_INVALID_VENDOR_ID)
{
ATRACE_CALL();
camera3_callback_ops::notify = &sNotify;
camera3_callback_ops::process_capture_result = &sProcessCaptureResult;
ALOGV("%s: Created device for camera %s", __FUNCTION__, mId.string());
}
Camera3Device::~Camera3Device()
{
ATRACE_CALL();
ALOGV("%s: Tearing down for camera id %s", __FUNCTION__, mId.string());
disconnect();
}
const String8& Camera3Device::getId() const {
return mId;
}
status_t Camera3Device::initialize(sp<CameraProviderManager> manager) {
ATRACE_CALL();
Mutex::Autolock il(mInterfaceLock);
Mutex::Autolock l(mLock);
ALOGV("%s: Initializing HIDL device for camera %s", __FUNCTION__, mId.string());
if (mStatus != STATUS_UNINITIALIZED) {
CLOGE("Already initialized!");
return INVALID_OPERATION;
}
if (manager == nullptr) return INVALID_OPERATION;
sp<ICameraDeviceSession> session;
ATRACE_BEGIN("CameraHal::openSession");
status_t res = manager->openSession(mId.string(), this,
/*out*/ &session);
ATRACE_END();
if (res != OK) {
SET_ERR_L("Could not open camera session: %s (%d)", strerror(-res), res);
return res;
}
res = manager->getCameraCharacteristics(mId.string(), &mDeviceInfo);
if (res != OK) {
SET_ERR_L("Could not retrive camera characteristics: %s (%d)", strerror(-res), res);
session->close();
return res;
}
std::shared_ptr<RequestMetadataQueue> queue;
auto requestQueueRet = session->getCaptureRequestMetadataQueue(
[&queue](const auto& descriptor) {
queue = std::make_shared<RequestMetadataQueue>(descriptor);
if (!queue->isValid() || queue->availableToWrite() <= 0) {
ALOGE("HAL returns empty request metadata fmq, not use it");
queue = nullptr;
// don't use the queue onwards.
}
});
if (!requestQueueRet.isOk()) {
ALOGE("Transaction error when getting request metadata fmq: %s, not use it",
requestQueueRet.description().c_str());
return DEAD_OBJECT;
}
auto resultQueueRet = session->getCaptureResultMetadataQueue(
[&queue = mResultMetadataQueue](const auto& descriptor) {
queue = std::make_unique<ResultMetadataQueue>(descriptor);
if (!queue->isValid() || queue->availableToWrite() <= 0) {
ALOGE("HAL returns empty result metadata fmq, not use it");
queue = nullptr;
// Don't use the queue onwards.
}
});
if (!resultQueueRet.isOk()) {
ALOGE("Transaction error when getting result metadata queue from camera session: %s",
resultQueueRet.description().c_str());
return DEAD_OBJECT;
}
mInterface = std::make_unique<HalInterface>(session, queue);
std::string providerType;
mVendorTagId = manager->getProviderTagIdLocked(mId.string());
return initializeCommonLocked();
}
status_t Camera3Device::initializeCommonLocked() {
/** Start up status tracker thread */
mStatusTracker = new StatusTracker(this);
status_t res = mStatusTracker->run(String8::format("C3Dev-%s-Status", mId.string()).string());
if (res != OK) {
SET_ERR_L("Unable to start status tracking thread: %s (%d)",
strerror(-res), res);
mInterface->close();
mStatusTracker.clear();
return res;
}
/** Register in-flight map to the status tracker */
mInFlightStatusId = mStatusTracker->addComponent();
/** Create buffer manager */
mBufferManager = new Camera3BufferManager();
mTagMonitor.initialize(mVendorTagId);
/** Start up request queue thread */
mRequestThread = new RequestThread(this, mStatusTracker, mInterface.get());
res = mRequestThread->run(String8::format("C3Dev-%s-ReqQueue", mId.string()).string());
if (res != OK) {
SET_ERR_L("Unable to start request queue thread: %s (%d)",
strerror(-res), res);
mInterface->close();
mRequestThread.clear();
return res;
}
mPreparerThread = new PreparerThread();
internalUpdateStatusLocked(STATUS_UNCONFIGURED);
mNextStreamId = 0;
mDummyStreamId = NO_STREAM;
mNeedConfig = true;
mPauseStateNotify = false;
// Measure the clock domain offset between camera and video/hw_composer
camera_metadata_entry timestampSource =
mDeviceInfo.find(ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE);
if (timestampSource.count > 0 && timestampSource.data.u8[0] ==
ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE_REALTIME) {
mTimestampOffset = getMonoToBoottimeOffset();
}
// Will the HAL be sending in early partial result metadata?
camera_metadata_entry partialResultsCount =
mDeviceInfo.find(ANDROID_REQUEST_PARTIAL_RESULT_COUNT);
if (partialResultsCount.count > 0) {
mNumPartialResults = partialResultsCount.data.i32[0];
mUsePartialResult = (mNumPartialResults > 1);
}
camera_metadata_entry configs =
mDeviceInfo.find(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS);
for (uint32_t i = 0; i < configs.count; i += 4) {
if (configs.data.i32[i] == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED &&
configs.data.i32[i + 3] ==
ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_INPUT) {
mSupportedOpaqueInputSizes.add(Size(configs.data.i32[i + 1],
configs.data.i32[i + 2]));
}
}
return OK;
}
status_t Camera3Device::disconnect() {
ATRACE_CALL();
Mutex::Autolock il(mInterfaceLock);
ALOGI("%s: E", __FUNCTION__);
status_t res = OK;
{
Mutex::Autolock l(mLock);
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 = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout);
if (res != OK) {
SET_ERR_L("Timeout waiting for HAL to drain");
// Continue to close device even in case of error
}
}
}
if (mStatus == STATUS_ERROR) {
CLOGE("Shutting down in an error state");
}
if (mStatusTracker != NULL) {
mStatusTracker->requestExit();
}
if (mRequestThread != NULL) {
mRequestThread->requestExit();
}
mOutputStreams.clear();
mInputStream.clear();
}
// Joining done without holding mLock, otherwise deadlocks may ensue
// as the threads try to access parent state
if (mRequestThread != NULL && 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();
}
if (mStatusTracker != NULL) {
mStatusTracker->join();
}
HalInterface* interface;
{
Mutex::Autolock l(mLock);
mRequestThread.clear();
mStatusTracker.clear();
mBufferManager.clear();
interface = mInterface.get();
}
// Call close without internal mutex held, as the HAL close may need to
// wait on assorted callbacks,etc, to complete before it can return.
interface->close();
{
Mutex::Autolock l(mLock);
mInterface->clear();
internalUpdateStatusLocked(STATUS_UNINITIALIZED);
}
ALOGI("%s: X", __FUNCTION__);
return res;
}
// For dumping/debugging only -
// try to acquire a lock a few times, eventually give up to proceed with
// debug/dump operations
bool Camera3Device::tryLockSpinRightRound(Mutex& lock) {
bool gotLock = false;
for (size_t i = 0; i < kDumpLockAttempts; ++i) {
if (lock.tryLock() == NO_ERROR) {
gotLock = true;
break;
} else {
usleep(kDumpSleepDuration);
}
}
return gotLock;
}
Camera3Device::Size Camera3Device::getMaxJpegResolution() const {
int32_t maxJpegWidth = 0, maxJpegHeight = 0;
const int STREAM_CONFIGURATION_SIZE = 4;
const int STREAM_FORMAT_OFFSET = 0;
const int STREAM_WIDTH_OFFSET = 1;
const int STREAM_HEIGHT_OFFSET = 2;
const int STREAM_IS_INPUT_OFFSET = 3;
camera_metadata_ro_entry_t availableStreamConfigs =
mDeviceInfo.find(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS);
if (availableStreamConfigs.count == 0 ||
availableStreamConfigs.count % STREAM_CONFIGURATION_SIZE != 0) {
return Size(0, 0);
}
// Get max jpeg size (area-wise).
for (size_t i=0; i < availableStreamConfigs.count; i+= STREAM_CONFIGURATION_SIZE) {
int32_t format = availableStreamConfigs.data.i32[i + STREAM_FORMAT_OFFSET];
int32_t width = availableStreamConfigs.data.i32[i + STREAM_WIDTH_OFFSET];
int32_t height = availableStreamConfigs.data.i32[i + STREAM_HEIGHT_OFFSET];
int32_t isInput = availableStreamConfigs.data.i32[i + STREAM_IS_INPUT_OFFSET];
if (isInput == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT
&& format == HAL_PIXEL_FORMAT_BLOB &&
(width * height > maxJpegWidth * maxJpegHeight)) {
maxJpegWidth = width;
maxJpegHeight = height;
}
}
return Size(maxJpegWidth, maxJpegHeight);
}
nsecs_t Camera3Device::getMonoToBoottimeOffset() {
// try three times to get the clock offset, choose the one
// with the minimum gap in measurements.
const int tries = 3;
nsecs_t bestGap, measured;
for (int i = 0; i < tries; ++i) {
const nsecs_t tmono = systemTime(SYSTEM_TIME_MONOTONIC);
const nsecs_t tbase = systemTime(SYSTEM_TIME_BOOTTIME);
const nsecs_t tmono2 = systemTime(SYSTEM_TIME_MONOTONIC);
const nsecs_t gap = tmono2 - tmono;
if (i == 0 || gap < bestGap) {
bestGap = gap;
measured = tbase - ((tmono + tmono2) >> 1);
}
}
return measured;
}
hardware::graphics::common::V1_0::PixelFormat Camera3Device::mapToPixelFormat(
int frameworkFormat) {
return (hardware::graphics::common::V1_0::PixelFormat) frameworkFormat;
}
DataspaceFlags Camera3Device::mapToHidlDataspace(
android_dataspace dataSpace) {
return dataSpace;
}
BufferUsageFlags Camera3Device::mapToConsumerUsage(
uint32_t usage) {
return usage;
}
StreamRotation Camera3Device::mapToStreamRotation(camera3_stream_rotation_t rotation) {
switch (rotation) {
case CAMERA3_STREAM_ROTATION_0:
return StreamRotation::ROTATION_0;
case CAMERA3_STREAM_ROTATION_90:
return StreamRotation::ROTATION_90;
case CAMERA3_STREAM_ROTATION_180:
return StreamRotation::ROTATION_180;
case CAMERA3_STREAM_ROTATION_270:
return StreamRotation::ROTATION_270;
}
ALOGE("%s: Unknown stream rotation %d", __FUNCTION__, rotation);
return StreamRotation::ROTATION_0;
}
status_t Camera3Device::mapToStreamConfigurationMode(
camera3_stream_configuration_mode_t operationMode, StreamConfigurationMode *mode) {
if (mode == nullptr) return BAD_VALUE;
if (operationMode < CAMERA3_VENDOR_STREAM_CONFIGURATION_MODE_START) {
switch(operationMode) {
case CAMERA3_STREAM_CONFIGURATION_NORMAL_MODE:
*mode = StreamConfigurationMode::NORMAL_MODE;
break;
case CAMERA3_STREAM_CONFIGURATION_CONSTRAINED_HIGH_SPEED_MODE:
*mode = StreamConfigurationMode::CONSTRAINED_HIGH_SPEED_MODE;
break;
default:
ALOGE("%s: Unknown stream configuration mode %d", __FUNCTION__, operationMode);
return BAD_VALUE;
}
} else {
*mode = static_cast<StreamConfigurationMode>(operationMode);
}
return OK;
}
camera3_buffer_status_t Camera3Device::mapHidlBufferStatus(BufferStatus status) {
switch (status) {
case BufferStatus::OK: return CAMERA3_BUFFER_STATUS_OK;
case BufferStatus::ERROR: return CAMERA3_BUFFER_STATUS_ERROR;
}
return CAMERA3_BUFFER_STATUS_ERROR;
}
int Camera3Device::mapToFrameworkFormat(
hardware::graphics::common::V1_0::PixelFormat pixelFormat) {
return static_cast<uint32_t>(pixelFormat);
}
uint32_t Camera3Device::mapConsumerToFrameworkUsage(
BufferUsageFlags usage) {
return usage;
}
uint32_t Camera3Device::mapProducerToFrameworkUsage(
BufferUsageFlags usage) {
return usage;
}
ssize_t Camera3Device::getJpegBufferSize(uint32_t width, uint32_t height) const {
// Get max jpeg size (area-wise).
Size maxJpegResolution = getMaxJpegResolution();
if (maxJpegResolution.width == 0) {
ALOGE("%s: Camera %s: Can't find valid available jpeg sizes in static metadata!",
__FUNCTION__, mId.string());
return BAD_VALUE;
}
// Get max jpeg buffer size
ssize_t maxJpegBufferSize = 0;
camera_metadata_ro_entry jpegBufMaxSize = mDeviceInfo.find(ANDROID_JPEG_MAX_SIZE);
if (jpegBufMaxSize.count == 0) {
ALOGE("%s: Camera %s: Can't find maximum JPEG size in static metadata!", __FUNCTION__,
mId.string());
return BAD_VALUE;
}
maxJpegBufferSize = jpegBufMaxSize.data.i32[0];
assert(kMinJpegBufferSize < maxJpegBufferSize);
// Calculate final jpeg buffer size for the given resolution.
float scaleFactor = ((float) (width * height)) /
(maxJpegResolution.width * maxJpegResolution.height);
ssize_t jpegBufferSize = scaleFactor * (maxJpegBufferSize - kMinJpegBufferSize) +
kMinJpegBufferSize;
if (jpegBufferSize > maxJpegBufferSize) {
jpegBufferSize = maxJpegBufferSize;
}
return jpegBufferSize;
}
ssize_t Camera3Device::getPointCloudBufferSize() const {
const int FLOATS_PER_POINT=4;
camera_metadata_ro_entry maxPointCount = mDeviceInfo.find(ANDROID_DEPTH_MAX_DEPTH_SAMPLES);
if (maxPointCount.count == 0) {
ALOGE("%s: Camera %s: Can't find maximum depth point cloud size in static metadata!",
__FUNCTION__, mId.string());
return BAD_VALUE;
}
ssize_t maxBytesForPointCloud = sizeof(android_depth_points) +
maxPointCount.data.i32[0] * sizeof(float) * FLOATS_PER_POINT;
return maxBytesForPointCloud;
}
ssize_t Camera3Device::getRawOpaqueBufferSize(int32_t width, int32_t height) const {
const int PER_CONFIGURATION_SIZE = 3;
const int WIDTH_OFFSET = 0;
const int HEIGHT_OFFSET = 1;
const int SIZE_OFFSET = 2;
camera_metadata_ro_entry rawOpaqueSizes =
mDeviceInfo.find(ANDROID_SENSOR_OPAQUE_RAW_SIZE);
size_t count = rawOpaqueSizes.count;
if (count == 0 || (count % PER_CONFIGURATION_SIZE)) {
ALOGE("%s: Camera %s: bad opaque RAW size static metadata length(%zu)!",
__FUNCTION__, mId.string(), count);
return BAD_VALUE;
}
for (size_t i = 0; i < count; i += PER_CONFIGURATION_SIZE) {
if (width == rawOpaqueSizes.data.i32[i + WIDTH_OFFSET] &&
height == rawOpaqueSizes.data.i32[i + HEIGHT_OFFSET]) {
return rawOpaqueSizes.data.i32[i + SIZE_OFFSET];
}
}
ALOGE("%s: Camera %s: cannot find size for %dx%d opaque RAW image!",
__FUNCTION__, mId.string(), width, height);
return BAD_VALUE;
}
status_t Camera3Device::dump(int fd, const Vector<String16> &args) {
ATRACE_CALL();
(void)args;
// Try to lock, but continue in case of failure (to avoid blocking in
// deadlocks)
bool gotInterfaceLock = tryLockSpinRightRound(mInterfaceLock);
bool gotLock = tryLockSpinRightRound(mLock);
ALOGW_IF(!gotInterfaceLock,
"Camera %s: %s: Unable to lock interface lock, proceeding anyway",
mId.string(), __FUNCTION__);
ALOGW_IF(!gotLock,
"Camera %s: %s: Unable to lock main lock, proceeding anyway",
mId.string(), __FUNCTION__);
bool dumpTemplates = false;
String16 templatesOption("-t");
String16 monitorOption("-m");
int n = args.size();
for (int i = 0; i < n; i++) {
if (args[i] == templatesOption) {
dumpTemplates = true;
}
if (args[i] == monitorOption) {
if (i + 1 < n) {
String8 monitorTags = String8(args[i + 1]);
if (monitorTags == "off") {
mTagMonitor.disableMonitoring();
} else {
mTagMonitor.parseTagsToMonitor(monitorTags);
}
} else {
mTagMonitor.disableMonitoring();
}
}
}
String8 lines;
const char *status =
mStatus == STATUS_ERROR ? "ERROR" :
mStatus == STATUS_UNINITIALIZED ? "UNINITIALIZED" :
mStatus == STATUS_UNCONFIGURED ? "UNCONFIGURED" :
mStatus == STATUS_CONFIGURED ? "CONFIGURED" :
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");
const char *mode =
mOperatingMode == static_cast<int>(StreamConfigurationMode::NORMAL_MODE) ? "NORMAL" :
mOperatingMode == static_cast<int>(
StreamConfigurationMode::CONSTRAINED_HIGH_SPEED_MODE) ? "CONSTRAINED_HIGH_SPEED" :
"CUSTOM";
lines.appendFormat(" Operation mode: %s (%d) \n", mode, mOperatingMode);
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);
}
if (mBufferManager != NULL) {
lines = String8(" Camera3 Buffer Manager:\n");
write(fd, lines.string(), lines.size());
mBufferManager->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: %" PRId64 ", metadata"
" arrived: %s, buffers left: %d\n", mInFlightMap.keyAt(i),
r.shutterTimestamp, r.haveResultMetadata ? "true" : "false",
r.numBuffersLeft);
}
}
write(fd, lines.string(), lines.size());
if (mRequestThread != NULL) {
mRequestThread->dumpCaptureRequestLatency(fd,
" ProcessCaptureRequest latency histogram:");
}
{
lines = String8(" Last request sent:\n");
write(fd, lines.string(), lines.size());
CameraMetadata lastRequest = getLatestRequestLocked();
lastRequest.dump(fd, /*verbosity*/2, /*indentation*/6);
}
if (dumpTemplates) {
const char *templateNames[] = {
"TEMPLATE_PREVIEW",
"TEMPLATE_STILL_CAPTURE",
"TEMPLATE_VIDEO_RECORD",
"TEMPLATE_VIDEO_SNAPSHOT",
"TEMPLATE_ZERO_SHUTTER_LAG",
"TEMPLATE_MANUAL"
};
for (int i = 1; i < CAMERA3_TEMPLATE_COUNT; i++) {
camera_metadata_t *templateRequest = nullptr;
mInterface->constructDefaultRequestSettings(
(camera3_request_template_t) i, &templateRequest);
lines = String8::format(" HAL Request %s:\n", templateNames[i-1]);
if (templateRequest == nullptr) {
lines.append(" Not supported\n");
write(fd, lines.string(), lines.size());
} else {
write(fd, lines.string(), lines.size());
dump_indented_camera_metadata(templateRequest,
fd, /*verbosity*/2, /*indentation*/8);
}
free_camera_metadata(templateRequest);
}
}
mTagMonitor.dumpMonitoredMetadata(fd);
if (mInterface->valid()) {
lines = String8(" HAL device dump:\n");
write(fd, lines.string(), lines.size());
mInterface->dump(fd);
}
if (gotLock) mLock.unlock();
if (gotInterfaceLock) mInterfaceLock.unlock();
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::checkStatusOkToCaptureLocked() {
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_UNCONFIGURED:
case STATUS_CONFIGURED:
case STATUS_ACTIVE:
// OK
break;
default:
SET_ERR_L("Unexpected status: %d", mStatus);
return INVALID_OPERATION;
}
return OK;
}
status_t Camera3Device::convertMetadataListToRequestListLocked(
const List<const CameraMetadata> &metadataList,
const std::list<const SurfaceMap> &surfaceMaps,
bool repeating,
RequestList *requestList) {
if (requestList == NULL) {
CLOGE("requestList cannot be NULL.");
return BAD_VALUE;
}
int32_t burstId = 0;
List<const CameraMetadata>::const_iterator metadataIt = metadataList.begin();
std::list<const SurfaceMap>::const_iterator surfaceMapIt = surfaceMaps.begin();
for (; metadataIt != metadataList.end() && surfaceMapIt != surfaceMaps.end();
++metadataIt, ++surfaceMapIt) {
sp<CaptureRequest> newRequest = setUpRequestLocked(*metadataIt, *surfaceMapIt);
if (newRequest == 0) {
CLOGE("Can't create capture request");
return BAD_VALUE;
}
newRequest->mRepeating = repeating;
// Setup burst Id and request Id
newRequest->mResultExtras.burstId = burstId++;
if (metadataIt->exists(ANDROID_REQUEST_ID)) {
if (metadataIt->find(ANDROID_REQUEST_ID).count == 0) {
CLOGE("RequestID entry exists; but must not be empty in metadata");
return BAD_VALUE;
}
newRequest->mResultExtras.requestId = metadataIt->find(ANDROID_REQUEST_ID).data.i32[0];
} else {
CLOGE("RequestID does not exist in metadata");
return BAD_VALUE;
}
requestList->push_back(newRequest);
ALOGV("%s: requestId = %" PRId32, __FUNCTION__, newRequest->mResultExtras.requestId);
}
if (metadataIt != metadataList.end() || surfaceMapIt != surfaceMaps.end()) {
ALOGE("%s: metadataList and surfaceMaps are not the same size!", __FUNCTION__);
return BAD_VALUE;
}
// Setup batch size if this is a high speed video recording request.
if (mIsConstrainedHighSpeedConfiguration && requestList->size() > 0) {
auto firstRequest = requestList->begin();
for (auto& outputStream : (*firstRequest)->mOutputStreams) {
if (outputStream->isVideoStream()) {
(*firstRequest)->mBatchSize = requestList->size();
break;
}
}
}
return OK;
}
status_t Camera3Device::capture(CameraMetadata &request, int64_t* /*lastFrameNumber*/) {
ATRACE_CALL();
List<const CameraMetadata> requests;
std::list<const SurfaceMap> surfaceMaps;
convertToRequestList(requests, surfaceMaps, request);
return captureList(requests, surfaceMaps, /*lastFrameNumber*/NULL);
}
void Camera3Device::convertToRequestList(List<const CameraMetadata>& requests,
std::list<const SurfaceMap>& surfaceMaps,
const CameraMetadata& request) {
requests.push_back(request);
SurfaceMap surfaceMap;
camera_metadata_ro_entry streams = request.find(ANDROID_REQUEST_OUTPUT_STREAMS);
// With no surface list passed in, stream and surface will have 1-to-1
// mapping. So the surface index is 0 for each stream in the surfaceMap.
for (size_t i = 0; i < streams.count; i++) {
surfaceMap[streams.data.i32[i]].push_back(0);
}
surfaceMaps.push_back(surfaceMap);
}
status_t Camera3Device::submitRequestsHelper(
const List<const CameraMetadata> &requests,
const std::list<const SurfaceMap> &surfaceMaps,
bool repeating,
/*out*/
int64_t *lastFrameNumber) {
ATRACE_CALL();
Mutex::Autolock il(mInterfaceLock);
Mutex::Autolock l(mLock);
status_t res = checkStatusOkToCaptureLocked();
if (res != OK) {
// error logged by previous call
return res;
}
RequestList requestList;
res = convertMetadataListToRequestListLocked(requests, surfaceMaps,
repeating, /*out*/&requestList);
if (res != OK) {
// error logged by previous call
return res;
}
if (repeating) {
res = mRequestThread->setRepeatingRequests(requestList, lastFrameNumber);
} else {
res = mRequestThread->queueRequestList(requestList, lastFrameNumber);
}
if (res == OK) {
waitUntilStateThenRelock(/*active*/true, kActiveTimeout);
if (res != OK) {
SET_ERR_L("Can't transition to active in %f seconds!",
kActiveTimeout/1e9);
}
ALOGV("Camera %s: Capture request %" PRId32 " enqueued", mId.string(),
(*(requestList.begin()))->mResultExtras.requestId);
} else {
CLOGE("Cannot queue request. Impossible.");
return BAD_VALUE;
}
return res;
}
// Only one processCaptureResult should be called at a time, so
// the locks won't block. The locks are present here simply to enforce this.
hardware::Return<void> Camera3Device::processCaptureResult(
const hardware::hidl_vec<
hardware::camera::device::V3_2::CaptureResult>& results) {
if (mProcessCaptureResultLock.tryLock() != OK) {
// This should never happen; it indicates a wrong client implementation
// that doesn't follow the contract. But, we can be tolerant here.
ALOGE("%s: callback overlapped! waiting 1s...",
__FUNCTION__);
if (mProcessCaptureResultLock.timedLock(1000000000 /* 1s */) != OK) {
ALOGE("%s: cannot acquire lock in 1s, dropping results",
__FUNCTION__);
// really don't know what to do, so bail out.
return hardware::Void();
}
}
for (const auto& result : results) {
processOneCaptureResultLocked(result);
}
mProcessCaptureResultLock.unlock();
return hardware::Void();
}
void Camera3Device::processOneCaptureResultLocked(
const hardware::camera::device::V3_2::CaptureResult& result) {
camera3_capture_result r;
status_t res;
r.frame_number = result.frameNumber;
hardware::camera::device::V3_2::CameraMetadata resultMetadata;
if (result.fmqResultSize > 0) {
resultMetadata.resize(result.fmqResultSize);
if (mResultMetadataQueue == nullptr) {
return; // logged in initialize()
}
if (!mResultMetadataQueue->read(resultMetadata.data(), result.fmqResultSize)) {
ALOGE("%s: Frame %d: Cannot read camera metadata from fmq, size = %" PRIu64,
__FUNCTION__, result.frameNumber, result.fmqResultSize);
return;
}
} else {
resultMetadata.setToExternal(const_cast<uint8_t *>(result.result.data()),
result.result.size());
}
if (resultMetadata.size() != 0) {
r.result = reinterpret_cast<const camera_metadata_t*>(resultMetadata.data());
size_t expected_metadata_size = resultMetadata.size();
if ((res = validate_camera_metadata_structure(r.result, &expected_metadata_size)) != OK) {
ALOGE("%s: Frame %d: Invalid camera metadata received by camera service from HAL: %s (%d)",
__FUNCTION__, result.frameNumber, strerror(-res), res);
return;
}
} else {
r.result = nullptr;
}
std::vector<camera3_stream_buffer_t> outputBuffers(result.outputBuffers.size());
std::vector<buffer_handle_t> outputBufferHandles(result.outputBuffers.size());
for (size_t i = 0; i < result.outputBuffers.size(); i++) {
auto& bDst = outputBuffers[i];
const StreamBuffer &bSrc = result.outputBuffers[i];
ssize_t idx = mOutputStreams.indexOfKey(bSrc.streamId);
if (idx == NAME_NOT_FOUND) {
ALOGE("%s: Frame %d: Buffer %zu: Invalid output stream id %d",
__FUNCTION__, result.frameNumber, i, bSrc.streamId);
return;
}
bDst.stream = mOutputStreams.valueAt(idx)->asHalStream();
buffer_handle_t *buffer;
res = mInterface->popInflightBuffer(result.frameNumber, bSrc.streamId, &buffer);
if (res != OK) {
ALOGE("%s: Frame %d: Buffer %zu: No in-flight buffer for stream %d",
__FUNCTION__, result.frameNumber, i, bSrc.streamId);
return;
}
bDst.buffer = buffer;
bDst.status = mapHidlBufferStatus(bSrc.status);
bDst.acquire_fence = -1;
if (bSrc.releaseFence == nullptr) {
bDst.release_fence = -1;
} else if (bSrc.releaseFence->numFds == 1) {
bDst.release_fence = dup(bSrc.releaseFence->data[0]);
} else {
ALOGE("%s: Frame %d: Invalid release fence for buffer %zu, fd count is %d, not 1",
__FUNCTION__, result.frameNumber, i, bSrc.releaseFence->numFds);
return;
}
}
r.num_output_buffers = outputBuffers.size();
r.output_buffers = outputBuffers.data();
camera3_stream_buffer_t inputBuffer;
if (result.inputBuffer.streamId == -1) {
r.input_buffer = nullptr;
} else {
if (mInputStream->getId() != result.inputBuffer.streamId) {
ALOGE("%s: Frame %d: Invalid input stream id %d", __FUNCTION__,
result.frameNumber, result.inputBuffer.streamId);
return;
}
inputBuffer.stream = mInputStream->asHalStream();
buffer_handle_t *buffer;
res = mInterface->popInflightBuffer(result.frameNumber, result.inputBuffer.streamId,
&buffer);
if (res != OK) {
ALOGE("%s: Frame %d: Input buffer: No in-flight buffer for stream %d",
__FUNCTION__, result.frameNumber, result.inputBuffer.streamId);
return;
}
inputBuffer.buffer = buffer;
inputBuffer.status = mapHidlBufferStatus(result.inputBuffer.status);
inputBuffer.acquire_fence = -1;
if (result.inputBuffer.releaseFence == nullptr) {
inputBuffer.release_fence = -1;
} else if (result.inputBuffer.releaseFence->numFds == 1) {
inputBuffer.release_fence = dup(result.inputBuffer.releaseFence->data[0]);
} else {
ALOGE("%s: Frame %d: Invalid release fence for input buffer, fd count is %d, not 1",
__FUNCTION__, result.frameNumber, result.inputBuffer.releaseFence->numFds);
return;
}
r.input_buffer = &inputBuffer;
}
r.partial_result = result.partialResult;
processCaptureResult(&r);
}
hardware::Return<void> Camera3Device::notify(
const hardware::hidl_vec<hardware::camera::device::V3_2::NotifyMsg>& msgs) {
for (const auto& msg : msgs) {
notify(msg);
}
return hardware::Void();
}
void Camera3Device::notify(
const hardware::camera::device::V3_2::NotifyMsg& msg) {
camera3_notify_msg m;
switch (msg.type) {
case MsgType::ERROR:
m.type = CAMERA3_MSG_ERROR;
m.message.error.frame_number = msg.msg.error.frameNumber;
if (msg.msg.error.errorStreamId >= 0) {
ssize_t idx = mOutputStreams.indexOfKey(msg.msg.error.errorStreamId);
if (idx == NAME_NOT_FOUND) {
ALOGE("%s: Frame %d: Invalid error stream id %d",
__FUNCTION__, m.message.error.frame_number, msg.msg.error.errorStreamId);
return;
}
m.message.error.error_stream = mOutputStreams.valueAt(idx)->asHalStream();
} else {
m.message.error.error_stream = nullptr;
}
switch (msg.msg.error.errorCode) {
case ErrorCode::ERROR_DEVICE:
m.message.error.error_code = CAMERA3_MSG_ERROR_DEVICE;
break;
case ErrorCode::ERROR_REQUEST:
m.message.error.error_code = CAMERA3_MSG_ERROR_REQUEST;
break;
case ErrorCode::ERROR_RESULT:
m.message.error.error_code = CAMERA3_MSG_ERROR_RESULT;
break;
case ErrorCode::ERROR_BUFFER:
m.message.error.error_code = CAMERA3_MSG_ERROR_BUFFER;
break;
}
break;
case MsgType::SHUTTER:
m.type = CAMERA3_MSG_SHUTTER;
m.message.shutter.frame_number = msg.msg.shutter.frameNumber;
m.message.shutter.timestamp = msg.msg.shutter.timestamp;
break;
}
notify(&m);
}
status_t Camera3Device::captureList(const List<const CameraMetadata> &requests,
const std::list<const SurfaceMap> &surfaceMaps,
int64_t *lastFrameNumber) {
ATRACE_CALL();
return submitRequestsHelper(requests, surfaceMaps, /*repeating*/false, lastFrameNumber);
}
status_t Camera3Device::setStreamingRequest(const CameraMetadata &request,
int64_t* /*lastFrameNumber*/) {
ATRACE_CALL();
List<const CameraMetadata> requests;
std::list<const SurfaceMap> surfaceMaps;
convertToRequestList(requests, surfaceMaps, request);
return setStreamingRequestList(requests, /*surfaceMap*/surfaceMaps,
/*lastFrameNumber*/NULL);
}
status_t Camera3Device::setStreamingRequestList(const List<const CameraMetadata> &requests,
const std::list<const SurfaceMap> &surfaceMaps,
int64_t *lastFrameNumber) {
ATRACE_CALL();
return submitRequestsHelper(requests, surfaceMaps, /*repeating*/true, lastFrameNumber);
}
sp<Camera3Device::CaptureRequest> Camera3Device::setUpRequestLocked(
const CameraMetadata &request, const SurfaceMap &surfaceMap) {
status_t res;
if (mStatus == STATUS_UNCONFIGURED || mNeedConfig) {
// This point should only be reached via API1 (API2 must explicitly call configureStreams)
// so unilaterally select normal operating mode.
res = configureStreamsLocked(CAMERA3_STREAM_CONFIGURATION_NORMAL_MODE);
// Stream configuration failed. Client might try other configuraitons.
if (res != OK) {
CLOGE("Can't set up streams: %s (%d)", strerror(-res), res);
return NULL;
} else if (mStatus == STATUS_UNCONFIGURED) {
// Stream configuration successfully configure to empty stream configuration.
CLOGE("No streams configured");
return NULL;
}
}
sp<CaptureRequest> newRequest = createCaptureRequest(request, surfaceMap);
return newRequest;
}
status_t Camera3Device::clearStreamingRequest(int64_t *lastFrameNumber) {
ATRACE_CALL();
Mutex::Autolock il(mInterfaceLock);
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_UNCONFIGURED:
case STATUS_CONFIGURED:
case STATUS_ACTIVE:
// OK
break;
default:
SET_ERR_L("Unexpected status: %d", mStatus);
return INVALID_OPERATION;
}
ALOGV("Camera %s: Clearing repeating request", mId.string());
return mRequestThread->clearRepeatingRequests(lastFrameNumber);
}
status_t Camera3Device::waitUntilRequestReceived(int32_t requestId, nsecs_t timeout) {
ATRACE_CALL();
Mutex::Autolock il(mInterfaceLock);
return mRequestThread->waitUntilRequestProcessed(requestId, timeout);
}
status_t Camera3Device::createInputStream(
uint32_t width, uint32_t height, int format, int *id) {
ATRACE_CALL();
Mutex::Autolock il(mInterfaceLock);
Mutex::Autolock l(mLock);
ALOGV("Camera %s: Creating new input stream %d: %d x %d, format %d",
mId.string(), mNextStreamId, width, height, format);
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_UNCONFIGURED:
case STATUS_CONFIGURED:
// OK
break;
case STATUS_ACTIVE:
ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__);
res = internalPauseAndWaitLocked();
if (res != OK) {
SET_ERR_L("Can't pause captures to reconfigure streams!");
return res;
}
wasActive = true;
break;
default:
SET_ERR_L("%s: Unexpected status: %d", mStatus);
return INVALID_OPERATION;
}
assert(mStatus != STATUS_ACTIVE);
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);
newStream->setStatusTracker(mStatusTracker);
mInputStream = newStream;
*id = mNextStreamId++;
// Continue captures if active at start
if (wasActive) {
ALOGV("%s: Restarting activity to reconfigure streams", __FUNCTION__);
// Reuse current operating mode for new stream config
res = configureStreamsLocked(mOperatingMode);
if (res != OK) {
ALOGE("%s: Can't reconfigure device for new stream %d: %s (%d)",
__FUNCTION__, mNextStreamId, strerror(-res), res);
return res;
}
internalResumeLocked();
}
ALOGV("Camera %s: Created input stream", mId.string());
return OK;
}
status_t Camera3Device::createStream(sp<Surface> consumer,
uint32_t width, uint32_t height, int format,
android_dataspace dataSpace, camera3_stream_rotation_t rotation, int *id,
int streamSetId, bool isShared, uint32_t consumerUsage) {
ATRACE_CALL();
if (consumer == nullptr) {
ALOGE("%s: consumer must not be null", __FUNCTION__);
return BAD_VALUE;
}
std::vector<sp<Surface>> consumers;
consumers.push_back(consumer);
return createStream(consumers, /*hasDeferredConsumer*/ false, width, height,
format, dataSpace, rotation, id, streamSetId, isShared, consumerUsage);
}
status_t Camera3Device::createStream(const std::vector<sp<Surface>>& consumers,
bool hasDeferredConsumer, uint32_t width, uint32_t height, int format,
android_dataspace dataSpace, camera3_stream_rotation_t rotation, int *id,
int streamSetId, bool isShared, uint32_t consumerUsage) {
ATRACE_CALL();
Mutex::Autolock il(mInterfaceLock);
Mutex::Autolock l(mLock);
ALOGV("Camera %s: Creating new stream %d: %d x %d, format %d, dataspace %d rotation %d"
" consumer usage 0x%x, isShared %d", mId.string(), mNextStreamId, width, height, format,
dataSpace, rotation, consumerUsage, isShared);
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_UNCONFIGURED:
case STATUS_CONFIGURED:
// OK
break;
case STATUS_ACTIVE:
ALOGV("%s: Stopping activity to reconfigure streams", __FUNCTION__);
res = internalPauseAndWaitLocked();
if (res != OK) {
SET_ERR_L("Can't pause captures to reconfigure streams!");
return res;
}
wasActive = true;
break;
default:
SET_ERR_L("Unexpected status: %d", mStatus);
return INVALID_OPERATION;
}
assert(mStatus != STATUS_ACTIVE);
sp<Camera3OutputStream> newStream;
if (consumers.size() == 0 && !hasDeferredConsumer) {
ALOGE("%s: Number of consumers cannot be smaller than 1", __FUNCTION__);
return BAD_VALUE;
}
if (hasDeferredConsumer && format != HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
ALOGE("Deferred consumer stream creation only support IMPLEMENTATION_DEFINED format");
return BAD_VALUE;
}
if (format == HAL_PIXEL_FORMAT_BLOB) {
ssize_t blobBufferSize;
if (dataSpace != HAL_DATASPACE_DEPTH) {
blobBufferSize = getJpegBufferSize(width, height);
if (blobBufferSize <= 0) {
SET_ERR_L("Invalid jpeg buffer size %zd", blobBufferSize);
return BAD_VALUE;
}
} else {
blobBufferSize = getPointCloudBufferSize();
if (blobBufferSize <= 0) {
SET_ERR_L("Invalid point cloud buffer size %zd", blobBufferSize);
return BAD_VALUE;
}
}
newStream = new Camera3OutputStream(mNextStreamId, consumers[0],
width, height, blobBufferSize, format, dataSpace, rotation,
mTimestampOffset, streamSetId);
} else if (format == HAL_PIXEL_FORMAT_RAW_OPAQUE) {
ssize_t rawOpaqueBufferSize = getRawOpaqueBufferSize(width, height);
if (rawOpaqueBufferSize <= 0) {
SET_ERR_L("Invalid RAW opaque buffer size %zd", rawOpaqueBufferSize);
return BAD_VALUE;
}
newStream = new Camera3OutputStream(mNextStreamId, consumers[0],
width, height, rawOpaqueBufferSize, format, dataSpace, rotation,
mTimestampOffset, streamSetId);
} else if (isShared) {
newStream = new Camera3SharedOutputStream(mNextStreamId, consumers,
width, height, format, consumerUsage, dataSpace, rotation,
mTimestampOffset, streamSetId);
} else if (consumers.size() == 0 && hasDeferredConsumer) {
newStream = new Camera3OutputStream(mNextStreamId,
width, height, format, consumerUsage, dataSpace, rotation,
mTimestampOffset, streamSetId);
} else {
newStream = new Camera3OutputStream(mNextStreamId, consumers[0],
width, height, format, dataSpace, rotation,
mTimestampOffset, streamSetId);
}
newStream->setStatusTracker(mStatusTracker);
newStream->setBufferManager(mBufferManager);
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__);
// Reuse current operating mode for new stream config
res = configureStreamsLocked(mOperatingMode);
if (res != OK) {
CLOGE("Can't reconfigure device for new stream %d: %s (%d)",
mNextStreamId, strerror(-res), res);
return res;
}
internalResumeLocked();
}
ALOGV("Camera %s: Created new stream", mId.string());
return OK;
}
status_t Camera3Device::getStreamInfo(int id,
uint32_t *width, uint32_t *height,
uint32_t *format, android_dataspace *dataSpace) {
ATRACE_CALL();
Mutex::Autolock il(mInterfaceLock);
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_UNCONFIGURED:
case STATUS_CONFIGURED:
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();
if (dataSpace) *dataSpace = mOutputStreams[idx]->getDataSpace();
return OK;
}
status_t Camera3Device::setStreamTransform(int id,
int transform) {
ATRACE_CALL();
Mutex::Autolock il(mInterfaceLock);
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_UNCONFIGURED:
case STATUS_CONFIGURED:
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 il(mInterfaceLock);
Mutex::Autolock l(mLock);
status_t res;
ALOGV("%s: Camera %s: Deleting stream %d", __FUNCTION__, mId.string(), id);
// CameraDevice semantics require device to already be idle before
// deleteStream is called, unlike for createStream.
if (mStatus == STATUS_ACTIVE) {
ALOGV("%s: Camera %s: Device not idle", __FUNCTION__, mId.string());
return -EBUSY;
}
sp<Camera3StreamInterface> deletedStream;
ssize_t outputStreamIdx = mOutputStreams.indexOfKey(id);
if (mInputStream != NULL && id == mInputStream->getId()) {
deletedStream = mInputStream;
mInputStream.clear();
} else {
if (outputStreamIdx == NAME_NOT_FOUND) {
CLOGE("Stream %d does not exist", id);
return BAD_VALUE;
}
}
// Delete output stream or the output part of a bi-directional stream.
if (outputStreamIdx != NAME_NOT_FOUND) {
deletedStream = mOutputStreams.editValueAt(outputStreamIdx);
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::configureStreams(int operatingMode) {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock il(mInterfaceLock);
Mutex::Autolock l(mLock);
return configureStreamsLocked(operatingMode);
}
status_t Camera3Device::getInputBufferProducer(
sp<IGraphicBufferProducer> *producer) {
Mutex::Autolock il(mInterfaceLock);
Mutex::Autolock l(mLock);
if (producer == NULL) {
return BAD_VALUE;
} else if (mInputStream == NULL) {
return INVALID_OPERATION;
}
return mInputStream->getInputBufferProducer(producer);
}
status_t Camera3Device::createDefaultRequest(int templateId,
CameraMetadata *request) {
ATRACE_CALL();
ALOGV("%s: for template %d", __FUNCTION__, templateId);
if (templateId <= 0 || templateId >= CAMERA3_TEMPLATE_COUNT) {
android_errorWriteWithInfoLog(CameraService::SN_EVENT_LOG_ID, "26866110",
IPCThreadState::self()->getCallingUid(), nullptr, 0);
return BAD_VALUE;
}
Mutex::Autolock il(mInterfaceLock);
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_UNCONFIGURED:
case STATUS_CONFIGURED:
case STATUS_ACTIVE:
// OK
break;
default:
SET_ERR_L("Unexpected status: %d", mStatus);
return INVALID_OPERATION;
}
if (!mRequestTemplateCache[templateId].isEmpty()) {
*request = mRequestTemplateCache[templateId];
return OK;
}
camera_metadata_t *rawRequest;
status_t res = mInterface->constructDefaultRequestSettings(
(camera3_request_template_t) templateId, &rawRequest);
if (res == BAD_VALUE) {
ALOGI("%s: template %d is not supported on this camera device",
__FUNCTION__, templateId);
return res;
} else if (res != OK) {
CLOGE("Unable to construct request template %d: %s (%d)",
templateId, strerror(-res), res);
return res;
}
set_camera_metadata_vendor_id(rawRequest, mVendorTagId);
mRequestTemplateCache[templateId].acquire(rawRequest);
*request = mRequestTemplateCache[templateId];
return OK;
}
status_t Camera3Device::waitUntilDrained() {
ATRACE_CALL();
Mutex::Autolock il(mInterfaceLock);
Mutex::Autolock l(mLock);
return waitUntilDrainedLocked();
}
status_t Camera3Device::waitUntilDrainedLocked() {
switch (mStatus) {
case STATUS_UNINITIALIZED:
case STATUS_UNCONFIGURED:
ALOGV("%s: Already idle", __FUNCTION__);
return OK;
case STATUS_CONFIGURED:
// To avoid race conditions, check with tracker to be sure
case STATUS_ERROR:
case STATUS_ACTIVE:
// Need to verify shut down
break;
default:
SET_ERR_L("Unexpected status: %d",mStatus);
return INVALID_OPERATION;
}
ALOGV("%s: Camera %s: Waiting until idle", __FUNCTION__, mId.string());
status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout);
if (res != OK) {
SET_ERR_L("Error waiting for HAL to drain: %s (%d)", strerror(-res),
res);
}
return res;
}
void Camera3Device::internalUpdateStatusLocked(Status status) {
mStatus = status;
mRecentStatusUpdates.add(mStatus);
mStatusChanged.broadcast();
}
// Pause to reconfigure
status_t Camera3Device::internalPauseAndWaitLocked() {
mRequestThread->setPaused(true);
mPauseStateNotify = true;
ALOGV("%s: Camera %s: Internal wait until idle", __FUNCTION__, mId.string());
status_t res = waitUntilStateThenRelock(/*active*/ false, kShutdownTimeout);
if (res != OK) {
SET_ERR_L("Can't idle device in %f seconds!",
kShutdownTimeout/1e9);
}
return res;
}
// Resume after internalPauseAndWaitLocked
status_t Camera3Device::internalResumeLocked() {
status_t res;
mRequestThread->setPaused(false);
res = waitUntilStateThenRelock(/*active*/ true, kActiveTimeout);
if (res != OK) {
SET_ERR_L("Can't transition to active in %f seconds!",
kActiveTimeout/1e9);
}
mPauseStateNotify = false;
return OK;
}
status_t Camera3Device::waitUntilStateThenRelock(bool active, nsecs_t timeout) {
status_t res = OK;
size_t startIndex = 0;
if (mStatusWaiters == 0) {
// Clear the list of recent statuses if there are no existing threads waiting on updates to
// this status list
mRecentStatusUpdates.clear();
} else {
// If other threads are waiting on updates to this status list, set the position of the
// first element that this list will check rather than clearing the list.
startIndex = mRecentStatusUpdates.size();
}
mStatusWaiters++;
bool stateSeen = false;
do {
if (active == (mStatus == STATUS_ACTIVE)) {
// Desired state is current
break;
}
res = mStatusChanged.waitRelative(mLock, timeout);
if (res != OK) break;
// This is impossible, but if not, could result in subtle deadlocks and invalid state
// transitions.
LOG_ALWAYS_FATAL_IF(startIndex > mRecentStatusUpdates.size(),
"%s: Skipping status updates in Camera3Device, may result in deadlock.",
__FUNCTION__);
// Encountered desired state since we began waiting
for (size_t i = startIndex; i < mRecentStatusUpdates.size(); i++) {
if (active == (mRecentStatusUpdates[i] == STATUS_ACTIVE) ) {
stateSeen = true;
break;
}
}
} while (!stateSeen);
mStatusWaiters--;
return res;
}
status_t Camera3Device::setNotifyCallback(wp<NotificationListener> listener) {
ATRACE_CALL();
Mutex::Autolock l(mOutputLock);
if (listener != NULL && mListener != NULL) {
ALOGW("%s: Replacing old callback listener", __FUNCTION__);
}
mListener = listener;
mRequestThread->setNotificationListener(listener);
mPreparerThread->setNotificationListener(listener);
return OK;
}
bool Camera3Device::willNotify3A() {
return false;
}
status_t Camera3Device::waitForNextFrame(nsecs_t timeout) {
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 %s: No frame in %" PRId64 " ns: %s (%d)",
__FUNCTION__, mId.string(), timeout, strerror(-res), res);
return res;
}
}
return OK;
}
status_t Camera3Device::getNextResult(CaptureResult *frame) {
ATRACE_CALL();
Mutex::Autolock l(mOutputLock);
if (mResultQueue.empty()) {
return NOT_ENOUGH_DATA;
}
if (frame == NULL) {
ALOGE("%s: argument cannot be NULL", __FUNCTION__);
return BAD_VALUE;
}
CaptureResult &result = *(mResultQueue.begin());
frame->mResultExtras = result.mResultExtras;
frame->mMetadata.acquire(result.mMetadata);
mResultQueue.erase(mResultQueue.begin());
return OK;
}
status_t Camera3Device::triggerAutofocus(uint32_t id) {
ATRACE_CALL();
Mutex::Autolock il(mInterfaceLock);
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();
Mutex::Autolock il(mInterfaceLock);
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();
Mutex::Autolock il(mInterfaceLock);
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::flush(int64_t *frameNumber) {
ATRACE_CALL();
ALOGV("%s: Camera %s: Flushing all requests", __FUNCTION__, mId.string());
Mutex::Autolock il(mInterfaceLock);
{
Mutex::Autolock l(mLock);
mRequestThread->clear(/*out*/frameNumber);
}
return mRequestThread->flush();
}
status_t Camera3Device::prepare(int streamId) {
return prepare(camera3::Camera3StreamInterface::ALLOCATE_PIPELINE_MAX, streamId);
}
status_t Camera3Device::prepare(int maxCount, int streamId) {
ATRACE_CALL();
ALOGV("%s: Camera %s: Preparing stream %d", __FUNCTION__, mId.string(), streamId);
Mutex::Autolock il(mInterfaceLock);
Mutex::Autolock l(mLock);
sp<Camera3StreamInterface> stream;
ssize_t outputStreamIdx = mOutputStreams.indexOfKey(streamId);
if (outputStreamIdx == NAME_NOT_FOUND) {
CLOGE("Stream %d does not exist", streamId);
return BAD_VALUE;
}
stream = mOutputStreams.editValueAt(outputStreamIdx);
if (stream->isUnpreparable() || stream->hasOutstandingBuffers() ) {
CLOGE("Stream %d has already been a request target", streamId);
return BAD_VALUE;
}
if (mRequestThread->isStreamPending(stream)) {
CLOGE("Stream %d is already a target in a pending request", streamId);
return BAD_VALUE;
}
return mPreparerThread->prepare(maxCount, stream);
}
status_t Camera3Device::tearDown(int streamId) {
ATRACE_CALL();
ALOGV("%s: Camera %s: Tearing down stream %d", __FUNCTION__, mId.string(), streamId);
Mutex::Autolock il(mInterfaceLock);
Mutex::Autolock l(mLock);
sp<Camera3StreamInterface> stream;
ssize_t outputStreamIdx = mOutputStreams.indexOfKey(streamId);
if (outputStreamIdx == NAME_NOT_FOUND) {
CLOGE("Stream %d does not exist", streamId);
return BAD_VALUE;
}
stream = mOutputStreams.editValueAt(outputStreamIdx);
if (stream->hasOutstandingBuffers() || mRequestThread->isStreamPending(stream)) {
CLOGE("Stream %d is a target of a in-progress request", streamId);
return BAD_VALUE;
}
return stream->tearDown();
}
status_t Camera3Device::addBufferListenerForStream(int streamId,
wp<Camera3StreamBufferListener> listener) {
ATRACE_CALL();
ALOGV("%s: Camera %s: Adding buffer listener for stream %d", __FUNCTION__, mId.string(), streamId);
Mutex::Autolock il(mInterfaceLock);
Mutex::Autolock l(mLock);
sp<Camera3StreamInterface> stream;
ssize_t outputStreamIdx = mOutputStreams.indexOfKey(streamId);
if (outputStreamIdx == NAME_NOT_FOUND) {
CLOGE("Stream %d does not exist", streamId);
return BAD_VALUE;
}
stream = mOutputStreams.editValueAt(outputStreamIdx);
stream->addBufferListener(listener);
return OK;
}
/**
* Methods called by subclasses
*/
void Camera3Device::notifyStatus(bool idle) {
{
// Need mLock to safely update state and synchronize to current
// state of methods in flight.
Mutex::Autolock l(mLock);
// We can get various system-idle notices from the status tracker
// while starting up. Only care about them if we've actually sent
// in some requests recently.
if (mStatus != STATUS_ACTIVE && mStatus != STATUS_CONFIGURED) {
return;
}
ALOGV("%s: Camera %s: Now %s", __FUNCTION__, mId.string(),
idle ? "idle" : "active");
internalUpdateStatusLocked(idle ? STATUS_CONFIGURED : STATUS_ACTIVE);
// Skip notifying listener if we're doing some user-transparent
// state changes
if (mPauseStateNotify) return;
}
sp<NotificationListener> listener;
{
Mutex::Autolock l(mOutputLock);
listener = mListener.promote();
}
if (idle && listener != NULL) {
listener->notifyIdle();
}
}
status_t Camera3Device::setConsumerSurfaces(int streamId,
const std::vector<sp<Surface>>& consumers) {
ATRACE_CALL();
ALOGV("%s: Camera %s: set consumer surface for stream %d",
__FUNCTION__, mId.string(), streamId);
Mutex::Autolock il(mInterfaceLock);
Mutex::Autolock l(mLock);
if (consumers.size() == 0) {
CLOGE("No consumer is passed!");
return BAD_VALUE;
}
ssize_t idx = mOutputStreams.indexOfKey(streamId);
if (idx == NAME_NOT_FOUND) {
CLOGE("Stream %d is unknown", streamId);
return idx;
}
sp<Camera3OutputStreamInterface> stream = mOutputStreams[idx];
status_t res = stream->setConsumers(consumers);
if (res != OK) {
CLOGE("Stream %d set consumer failed (error %d %s) ", streamId, res, strerror(-res));
return res;
}
if (stream->isConsumerConfigurationDeferred()) {
if (!stream->isConfiguring()) {
CLOGE("Stream %d was already fully configured.", streamId);
return INVALID_OPERATION;
}
res = stream->finishConfiguration();
if (res != OK) {
SET_ERR_L("Can't finish configuring output stream %d: %s (%d)",
stream->getId(), strerror(-res), res);
return res;
}
}
return OK;
}
/**
* Camera3Device private methods
*/
sp<Camera3Device::CaptureRequest> Camera3Device::createCaptureRequest(
const CameraMetadata &request, const SurfaceMap &surfaceMap) {
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.i32[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();
if (res != OK) {
SET_ERR_L("Unable to finish configuring input stream %d:"
" %s (%d)",
mInputStream->getId(), strerror(-res), res);
return NULL;
}
}
// Check if stream is being prepared
if (mInputStream->isPreparing()) {
CLOGE("Request references an input stream that's being prepared!");
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.i32[i]);
if (idx == NAME_NOT_FOUND) {
CLOGE("Request references unknown stream %d",
streams.data.u8[i]);
return NULL;
}
sp<Camera3OutputStreamInterface> stream =
mOutputStreams.editValueAt(idx);
// It is illegal to include a deferred consumer output stream into a request
auto iter = surfaceMap.find(streams.data.i32[i]);
if (iter != surfaceMap.end()) {
const std::vector<size_t>& surfaces = iter->second;
for (const auto& surface : surfaces) {
if (stream->isConsumerConfigurationDeferred(surface)) {
CLOGE("Stream %d surface %zu hasn't finished configuration yet "
"due to deferred consumer", stream->getId(), surface);
return NULL;
}
}
newRequest->mOutputSurfaces[i] = surfaces;
}
// Lazy completion of stream configuration (allocation/registration)
// on first use
if (stream->isConfiguring()) {
res = stream->finishConfiguration();
if (res != OK) {
SET_ERR_L("Unable to finish configuring stream %d: %s (%d)",
stream->getId(), strerror(-res), res);
return NULL;
}
}
// Check if stream is being prepared
if (stream->isPreparing()) {
CLOGE("Request references an output stream that's being prepared!");
return NULL;
}
newRequest->mOutputStreams.push(stream);
}
newRequest->mSettings.erase(ANDROID_REQUEST_OUTPUT_STREAMS);
newRequest->mBatchSize = 1;
return newRequest;
}
bool Camera3Device::isOpaqueInputSizeSupported(uint32_t width, uint32_t height) {
for (uint32_t i = 0; i < mSupportedOpaqueInputSizes.size(); i++) {
Size size = mSupportedOpaqueInputSizes[i];
if (size.width == width && size.height == height) {
return true;
}
}
return false;
}
void Camera3Device::cancelStreamsConfigurationLocked() {
int res = OK;
if (mInputStream != NULL && mInputStream->isConfiguring()) {
res = mInputStream->cancelConfiguration();
if (res != OK) {
CLOGE("Can't cancel configuring input stream %d: %s (%d)",
mInputStream->getId(), strerror(-res), res);
}
}
for (size_t i = 0; i < mOutputStreams.size(); i++) {
sp<Camera3OutputStreamInterface> outputStream = mOutputStreams.editValueAt(i);
if (outputStream->isConfiguring()) {
res = outputStream->cancelConfiguration();
if (res != OK) {
CLOGE("Can't cancel configuring output stream %d: %s (%d)",
outputStream->getId(), strerror(-res), res);
}
}
}
// Return state to that at start of call, so that future configures
// properly clean things up
internalUpdateStatusLocked(STATUS_UNCONFIGURED);
mNeedConfig = true;
}
status_t Camera3Device::configureStreamsLocked(int operatingMode) {
ATRACE_CALL();
status_t res;
if (mStatus != STATUS_UNCONFIGURED && mStatus != STATUS_CONFIGURED) {
CLOGE("Not idle");
return INVALID_OPERATION;
}
if (operatingMode < 0) {
CLOGE("Invalid operating mode: %d", operatingMode);
return BAD_VALUE;
}
bool isConstrainedHighSpeed =
static_cast<int>(StreamConfigurationMode::CONSTRAINED_HIGH_SPEED_MODE) ==
operatingMode;
if (mOperatingMode != operatingMode) {
mNeedConfig = true;
mIsConstrainedHighSpeedConfiguration = isConstrainedHighSpeed;
mOperatingMode = operatingMode;
}
if (!mNeedConfig) {
ALOGV("%s: Skipping config, no stream changes", __FUNCTION__);
return OK;
}
// Workaround for device HALv3.2 or older spec bug - zero streams requires
// adding a dummy stream instead.
// TODO: Bug: 17321404 for fixing the HAL spec and removing this workaround.
if (mOutputStreams.size() == 0) {
addDummyStreamLocked();
} else {
tryRemoveDummyStreamLocked();
}
// Start configuring the streams
ALOGV("%s: Camera %s: Starting stream configuration", __FUNCTION__, mId.string());
camera3_stream_configuration config;
config.operation_mode = mOperatingMode;
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) {
CLOGE("Can't start input stream configuration");
cancelStreamsConfigurationLocked();
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) {
CLOGE("Can't start output stream configuration");
cancelStreamsConfigurationLocked();
return INVALID_OPERATION;
}
streams.add(outputStream);
}
config.streams = streams.editArray();
// Do the HAL configuration; will potentially touch stream
// max_buffers, usage, priv fields.
res = mInterface->configureStreams(&config);
if (res == BAD_VALUE) {
// HAL rejected this set of streams as unsupported, clean up config
// attempt and return to unconfigured state
CLOGE("Set of requested inputs/outputs not supported by HAL");
cancelStreamsConfigurationLocked();
return BAD_VALUE;
} else if (res != OK) {
// Some other kind of error from configure_streams - this is not
// expected
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();
if (res != OK) {
CLOGE("Can't finish configuring input stream %d: %s (%d)",
mInputStream->getId(), strerror(-res), res);
cancelStreamsConfigurationLocked();
return BAD_VALUE;
}
}
for (size_t i = 0; i < mOutputStreams.size(); i++) {
sp<Camera3OutputStreamInterface> outputStream =
mOutputStreams.editValueAt(i);
if (outputStream->isConfiguring() && !outputStream->isConsumerConfigurationDeferred()) {
res = outputStream->finishConfiguration();
if (res != OK) {
CLOGE("Can't finish configuring output stream %d: %s (%d)",
outputStream->getId(), strerror(-res), res);
cancelStreamsConfigurationLocked();
return BAD_VALUE;
}
}
}
// Request thread needs to know to avoid using repeat-last-settings protocol
// across configure_streams() calls
mRequestThread->configurationComplete(mIsConstrainedHighSpeedConfiguration);
char value[PROPERTY_VALUE_MAX];
property_get("camera.fifo.disable", value, "0");
int32_t disableFifo = atoi(value);
if (disableFifo != 1) {
// Boost priority of request thread to SCHED_FIFO.
pid_t requestThreadTid = mRequestThread->getTid();
res = requestPriority(getpid(), requestThreadTid,
kRequestThreadPriority, /*isForApp*/ false, /*asynchronous*/ false);
if (res != OK) {
ALOGW("Can't set realtime priority for request processing thread: %s (%d)",
strerror(-res), res);
} else {
ALOGD("Set real time priority for request queue thread (tid %d)", requestThreadTid);
}
}
// Update device state
mNeedConfig = false;
internalUpdateStatusLocked((mDummyStreamId == NO_STREAM) ?
STATUS_CONFIGURED : STATUS_UNCONFIGURED);
ALOGV("%s: Camera %s: Stream configuration complete", __FUNCTION__, mId.string());
// tear down the deleted streams after configure streams.
mDeletedStreams.clear();
return OK;
}
status_t Camera3Device::addDummyStreamLocked() {
ATRACE_CALL();
status_t res;
if (mDummyStreamId != NO_STREAM) {
// Should never be adding a second dummy stream when one is already
// active
SET_ERR_L("%s: Camera %s: A dummy stream already exists!",
__FUNCTION__, mId.string());
return INVALID_OPERATION;
}
ALOGV("%s: Camera %s: Adding a dummy stream", __FUNCTION__, mId.string());
sp<Camera3OutputStreamInterface> dummyStream =
new Camera3DummyStream(mNextStreamId);
res = mOutputStreams.add(mNextStreamId, dummyStream);
if (res < 0) {
SET_ERR_L("Can't add dummy stream to set: %s (%d)", strerror(-res), res);
return res;
}
mDummyStreamId = mNextStreamId;
mNextStreamId++;
return OK;
}
status_t Camera3Device::tryRemoveDummyStreamLocked() {
ATRACE_CALL();
status_t res;
if (mDummyStreamId == NO_STREAM) return OK;
if (mOutputStreams.size() == 1) return OK;
ALOGV("%s: Camera %s: Removing the dummy stream", __FUNCTION__, mId.string());
// Ok, have a dummy stream and there's at least one other output stream,
// so remove the dummy
sp<Camera3StreamInterface> deletedStream;
ssize_t outputStreamIdx = mOutputStreams.indexOfKey(mDummyStreamId);
if (outputStreamIdx == NAME_NOT_FOUND) {
SET_ERR_L("Dummy stream %d does not appear to exist", mDummyStreamId);
return INVALID_OPERATION;
}
deletedStream = mOutputStreams.editValueAt(outputStreamIdx);
mOutputStreams.removeItemsAt(outputStreamIdx);
// 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 dummy stream %d", mDummyStreamId);
// fall through since we want to still list the stream as deleted.
}
mDeletedStreams.add(deletedStream);
mDummyStreamId = NO_STREAM;
return res;
}
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 %s: %s", mId.string(), 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);
internalUpdateStatusLocked(STATUS_ERROR);
// Notify upstream about a device error
sp<NotificationListener> listener = mListener.promote();
if (listener != NULL) {
listener->notifyError(hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE,
CaptureResultExtras());
}
// Save stack trace. View by dumping it later.
CameraTraces::saveTrace();
// TODO: consider adding errorCause and client pid/procname
}
/**
* In-flight request management
*/
status_t Camera3Device::registerInFlight(uint32_t frameNumber,
int32_t numBuffers, CaptureResultExtras resultExtras, bool hasInput,
bool hasAppCallback) {
ATRACE_CALL();
Mutex::Autolock l(mInFlightLock);
ssize_t res;
res = mInFlightMap.add(frameNumber, InFlightRequest(numBuffers, resultExtras, hasInput,
hasAppCallback));
if (res < 0) return res;
if (mInFlightMap.size() == 1) {
mStatusTracker->markComponentActive(mInFlightStatusId);
}
return OK;
}
void Camera3Device::returnOutputBuffers(
const camera3_stream_buffer_t *outputBuffers, size_t numBuffers,
nsecs_t timestamp) {
for (size_t i = 0; i < numBuffers; i++)
{
Camera3Stream *stream = Camera3Stream::cast(outputBuffers[i].stream);
status_t res = stream->returnBuffer(outputBuffers[i], timestamp);
// Note: stream may be deallocated at this point, if this buffer was
// the last reference to it.
if (res != OK) {
ALOGE("Can't return buffer to its stream: %s (%d)",
strerror(-res), res);
}
}
}
void Camera3Device::removeInFlightMapEntryLocked(int idx) {
mInFlightMap.removeItemsAt(idx, 1);
// Indicate idle inFlightMap to the status tracker
if (mInFlightMap.size() == 0) {
mStatusTracker->markComponentIdle(mInFlightStatusId, Fence::NO_FENCE);
}
}
void Camera3Device::removeInFlightRequestIfReadyLocked(int idx) {
const InFlightRequest &request = mInFlightMap.valueAt(idx);
const uint32_t frameNumber = mInFlightMap.keyAt(idx);
nsecs_t sensorTimestamp = request.sensorTimestamp;
nsecs_t shutterTimestamp = request.shutterTimestamp;
// Check if it's okay to remove the request from InFlightMap:
// In the case of a successful request:
// all input and output buffers, all result metadata, shutter callback
// arrived.
// In the case of a unsuccessful request:
// all input and output buffers arrived.
if (request.numBuffersLeft == 0 &&
(request.requestStatus != OK ||
(request.haveResultMetadata && shutterTimestamp != 0))) {
ATRACE_ASYNC_END("frame capture", frameNumber);
// Sanity check - if sensor timestamp matches shutter timestamp in the
// case of request having callback.
if (request.hasCallback && request.requestStatus == OK &&
sensorTimestamp != shutterTimestamp) {
SET_ERR("sensor timestamp (%" PRId64
") for frame %d doesn't match shutter timestamp (%" PRId64 ")",
sensorTimestamp, frameNumber, shutterTimestamp);
}
// for an unsuccessful request, it may have pending output buffers to
// return.
assert(request.requestStatus != OK ||
request.pendingOutputBuffers.size() == 0);
returnOutputBuffers(request.pendingOutputBuffers.array(),
request.pendingOutputBuffers.size(), 0);
removeInFlightMapEntryLocked(idx);
ALOGVV("%s: removed frame %d from InFlightMap", __FUNCTION__, frameNumber);
}
// Sanity check - if we have too many in-flight frames, something has
// likely gone wrong
if (!mIsConstrainedHighSpeedConfiguration && mInFlightMap.size() > kInFlightWarnLimit) {
CLOGE("In-flight list too large: %zu", mInFlightMap.size());
} else if (mIsConstrainedHighSpeedConfiguration && mInFlightMap.size() >
kInFlightWarnLimitHighSpeed) {
CLOGE("In-flight list too large for high speed configuration: %zu",
mInFlightMap.size());
}
}
void Camera3Device::insertResultLocked(CaptureResult *result,
uint32_t frameNumber) {
if (result == nullptr) return;
camera_metadata_t *meta = const_cast<camera_metadata_t *>(
result->mMetadata.getAndLock());
set_camera_metadata_vendor_id(meta, mVendorTagId);
result->mMetadata.unlock(meta);
if (result->mMetadata.update(ANDROID_REQUEST_FRAME_COUNT,
(int32_t*)&frameNumber, 1) != OK) {
SET_ERR("Failed to set frame number %d in metadata", frameNumber);
return;
}
if (result->mMetadata.update(ANDROID_REQUEST_ID, &result->mResultExtras.requestId, 1) != OK) {
SET_ERR("Failed to set request ID in metadata for frame %d", frameNumber);
return;
}
// Valid result, insert into queue
List<CaptureResult>::iterator queuedResult =
mResultQueue.insert(mResultQueue.end(), CaptureResult(*result));
ALOGVV("%s: result requestId = %" PRId32 ", frameNumber = %" PRId64
", burstId = %" PRId32, __FUNCTION__,
queuedResult->mResultExtras.requestId,
queuedResult->mResultExtras.frameNumber,
queuedResult->mResultExtras.burstId);
mResultSignal.signal();
}
void Camera3Device::sendPartialCaptureResult(const camera_metadata_t * partialResult,
const CaptureResultExtras &resultExtras, uint32_t frameNumber) {
Mutex::Autolock l(mOutputLock);
CaptureResult captureResult;
captureResult.mResultExtras = resultExtras;
captureResult.mMetadata = partialResult;
insertResultLocked(&captureResult, frameNumber);
}
void Camera3Device::sendCaptureResult(CameraMetadata &pendingMetadata,
CaptureResultExtras &resultExtras,
CameraMetadata &collectedPartialResult,
uint32_t frameNumber,
bool reprocess) {
if (pendingMetadata.isEmpty())
return;
Mutex::Autolock l(mOutputLock);
// TODO: need to track errors for tighter bounds on expected frame number
if (reprocess) {
if (frameNumber < mNextReprocessResultFrameNumber) {
SET_ERR("Out-of-order reprocess capture result metadata submitted! "
"(got frame number %d, expecting %d)",
frameNumber, mNextReprocessResultFrameNumber);
return;
}
mNextReprocessResultFrameNumber = frameNumber + 1;
} else {
if (frameNumber < mNextResultFrameNumber) {
SET_ERR("Out-of-order capture result metadata submitted! "
"(got frame number %d, expecting %d)",
frameNumber, mNextResultFrameNumber);
return;
}
mNextResultFrameNumber = frameNumber + 1;
}
CaptureResult captureResult;
captureResult.mResultExtras = resultExtras;
captureResult.mMetadata = pendingMetadata;
// Append any previous partials to form a complete result
if (mUsePartialResult && !collectedPartialResult.isEmpty()) {
captureResult.mMetadata.append(collectedPartialResult);
}
captureResult.mMetadata.sort();
// Check that there's a timestamp in the result metadata
camera_metadata_entry timestamp = captureResult.mMetadata.find(ANDROID_SENSOR_TIMESTAMP);
if (timestamp.count == 0) {
SET_ERR("No timestamp provided by HAL for frame %d!",
frameNumber);
return;
}
mTagMonitor.monitorMetadata(TagMonitor::RESULT,
frameNumber, timestamp.data.i64[0], captureResult.mMetadata);
insertResultLocked(&captureResult, frameNumber);
}
/**
* 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 &&
result->input_buffer == NULL) {
SET_ERR("No result data provided by HAL for frame %d",
frameNumber);
return;
}
if (!mUsePartialResult &&
result->result != NULL &&
result->partial_result != 1) {
SET_ERR("Result is malformed for frame %d: partial_result %u must be 1"
" if partial result is not supported",
frameNumber, result->partial_result);
return;
}
bool isPartialResult = false;
CameraMetadata collectedPartialResult;
CaptureResultExtras resultExtras;
bool hasInputBufferInRequest = false;
// Get shutter timestamp and resultExtras from list of in-flight requests,
// where it was added by the shutter notification for this frame. If the
// shutter timestamp isn't received yet, append the output buffers to the
// in-flight request and they will be returned when the shutter timestamp
// arrives. Update the in-flight status and remove the in-flight entry if
// all result data and shutter timestamp have been received.
nsecs_t shutterTimestamp = 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);
ALOGVV("%s: got InFlightRequest requestId = %" PRId32
", frameNumber = %" PRId64 ", burstId = %" PRId32
", partialResultCount = %d, hasCallback = %d",
__FUNCTION__, request.resultExtras.requestId,
request.resultExtras.frameNumber, request.resultExtras.burstId,
result->partial_result, request.hasCallback);
// Always update the partial count to the latest one if it's not 0
// (buffers only). When framework aggregates adjacent partial results
// into one, the latest partial count will be used.
if (result->partial_result != 0)
request.resultExtras.partialResultCount = result->partial_result;
// Check if this result carries only partial metadata
if (mUsePartialResult && result->result != NULL) {
if (result->partial_result > mNumPartialResults || result->partial_result < 1) {
SET_ERR("Result is malformed for frame %d: partial_result %u must be in"
" the range of [1, %d] when metadata is included in the result",
frameNumber, result->partial_result, mNumPartialResults);
return;
}
isPartialResult = (result->partial_result < mNumPartialResults);
if (isPartialResult) {
request.collectedPartialResult.append(result->result);
}
if (isPartialResult && request.hasCallback) {
// Send partial capture result
sendPartialCaptureResult(result->result, request.resultExtras,
frameNumber);
}
}
shutterTimestamp = request.shutterTimestamp;
hasInputBufferInRequest = request.hasInputBuffer;
// Did we get the (final) result metadata for this capture?
if (result->result != NULL && !isPartialResult) {
if (request.haveResultMetadata) {
SET_ERR("Called multiple times with metadata for frame %d",
frameNumber);
return;
}
if (mUsePartialResult &&
!request.collectedPartialResult.isEmpty()) {
collectedPartialResult.acquire(
request.collectedPartialResult);
}
request.haveResultMetadata = true;
}
uint32_t numBuffersReturned = result->num_output_buffers;
if (result->input_buffer != NULL) {
if (hasInputBufferInRequest) {
numBuffersReturned += 1;
} else {
ALOGW("%s: Input buffer should be NULL if there is no input"
" buffer sent in the request",
__FUNCTION__);
}
}
request.numBuffersLeft -= numBuffersReturned;
if (request.numBuffersLeft < 0) {
SET_ERR("Too many buffers returned for frame %d",
frameNumber);
return;
}
camera_metadata_ro_entry_t entry;
res = find_camera_metadata_ro_entry(result->result,
ANDROID_SENSOR_TIMESTAMP, &entry);
if (res == OK && entry.count == 1) {
request.sensorTimestamp = entry.data.i64[0];
}
// If shutter event isn't received yet, append the output buffers to
// the in-flight request. Otherwise, return the output buffers to
// streams.
if (shutterTimestamp == 0) {
request.pendingOutputBuffers.appendArray(result->output_buffers,
result->num_output_buffers);
} else {
returnOutputBuffers(result->output_buffers,
result->num_output_buffers, shutterTimestamp);
}
if (result->result != NULL && !isPartialResult) {
if (shutterTimestamp == 0) {
request.pendingMetadata = result->result;
request.collectedPartialResult = collectedPartialResult;
} else if (request.hasCallback) {
CameraMetadata metadata;
metadata = result->result;
sendCaptureResult(metadata, request.resultExtras,
collectedPartialResult, frameNumber,
hasInputBufferInRequest);
}
}
removeInFlightRequestIfReadyLocked(idx);
} // scope for mInFlightLock
if (result->input_buffer != NULL) {
if (hasInputBufferInRequest) {
Camera3Stream *stream =
Camera3Stream::cast(result->input_buffer->stream);
res = stream->returnInputBuffer(*(result->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__,
frameNumber, strerror(-res), res);
}
} else {
ALOGW("%s: Input buffer should be NULL if there is no input"
" buffer sent in the request, skipping input buffer return.",
__FUNCTION__);
}
}
}
void Camera3Device::notify(const camera3_notify_msg *msg) {
ATRACE_CALL();
sp<NotificationListener> listener;
{
Mutex::Autolock l(mOutputLock);
listener = mListener.promote();
}
if (msg == NULL) {
SET_ERR("HAL sent NULL notify message!");
return;
}
switch (msg->type) {
case CAMERA3_MSG_ERROR: {
notifyError(msg->message.error, listener);
break;
}
case CAMERA3_MSG_SHUTTER: {
notifyShutter(msg->message.shutter, listener);
break;
}
default:
SET_ERR("Unknown notify message from HAL: %d",
msg->type);
}
}
void Camera3Device::notifyError(const camera3_error_msg_t &msg,
sp<NotificationListener> listener) {
// Map camera HAL error codes to ICameraDeviceCallback error codes
// Index into this with the HAL error code
static const int32_t halErrorMap[CAMERA3_MSG_NUM_ERRORS] = {
// 0 = Unused error code
hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_INVALID_ERROR,
// 1 = CAMERA3_MSG_ERROR_DEVICE
hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE,
// 2 = CAMERA3_MSG_ERROR_REQUEST
hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST,
// 3 = CAMERA3_MSG_ERROR_RESULT
hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_RESULT,
// 4 = CAMERA3_MSG_ERROR_BUFFER
hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_BUFFER
};
int32_t errorCode =
((msg.error_code >= 0) &&
(msg.error_code < CAMERA3_MSG_NUM_ERRORS)) ?
halErrorMap[msg.error_code] :
hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_INVALID_ERROR;
int streamId = 0;
if (msg.error_stream != NULL) {
Camera3Stream *stream =
Camera3Stream::cast(msg.error_stream);
streamId = stream->getId();
}
ALOGV("Camera %s: %s: HAL error, frame %d, stream %d: %d",
mId.string(), __FUNCTION__, msg.frame_number,
streamId, msg.error_code);
CaptureResultExtras resultExtras;
switch (errorCode) {
case hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DEVICE:
// SET_ERR calls notifyError
SET_ERR("Camera HAL reported serious device error");
break;
case hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST:
case hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_RESULT:
case hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_BUFFER:
{
Mutex::Autolock l(mInFlightLock);
ssize_t idx = mInFlightMap.indexOfKey(msg.frame_number);
if (idx >= 0) {
InFlightRequest &r = mInFlightMap.editValueAt(idx);
r.requestStatus = msg.error_code;
resultExtras = r.resultExtras;
if (hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_RESULT ==
errorCode) {
// In case of missing result check whether the buffers
// returned. If they returned, then remove inflight
// request.
removeInFlightRequestIfReadyLocked(idx);
}
} else {
resultExtras.frameNumber = msg.frame_number;
ALOGE("Camera %s: %s: cannot find in-flight request on "
"frame %" PRId64 " error", mId.string(), __FUNCTION__,
resultExtras.frameNumber);
}
}
resultExtras.errorStreamId = streamId;
if (listener != NULL) {
listener->notifyError(errorCode, resultExtras);
} else {
ALOGE("Camera %s: %s: no listener available", mId.string(), __FUNCTION__);
}
break;
default:
// SET_ERR calls notifyError
SET_ERR("Unknown error message from HAL: %d", msg.error_code);
break;
}
}
void Camera3Device::notifyShutter(const camera3_shutter_msg_t &msg,
sp<NotificationListener> listener) {
ssize_t idx;
// Set timestamp for the request in the in-flight tracking
// and get the request ID to send upstream
{
Mutex::Autolock l(mInFlightLock);
idx = mInFlightMap.indexOfKey(msg.frame_number);
if (idx >= 0) {
InFlightRequest &r = mInFlightMap.editValueAt(idx);
// Verify ordering of shutter notifications
{
Mutex::Autolock l(mOutputLock);
// TODO: need to track errors for tighter bounds on expected frame number.
if (r.hasInputBuffer) {
if (msg.frame_number < mNextReprocessShutterFrameNumber) {
SET_ERR("Shutter notification out-of-order. Expected "
"notification for frame %d, got frame %d",
mNextReprocessShutterFrameNumber, msg.frame_number);
return;
}
mNextReprocessShutterFrameNumber = msg.frame_number + 1;
} else {
if (msg.frame_number < mNextShutterFrameNumber) {
SET_ERR("Shutter notification out-of-order. Expected "
"notification for frame %d, got frame %d",
mNextShutterFrameNumber, msg.frame_number);
return;
}
mNextShutterFrameNumber = msg.frame_number + 1;
}
}
r.shutterTimestamp = msg.timestamp;
if (r.hasCallback) {
ALOGVV("Camera %s: %s: Shutter fired for frame %d (id %d) at %" PRId64,
mId.string(), __FUNCTION__,
msg.frame_number, r.resultExtras.requestId, msg.timestamp);
// Call listener, if any
if (listener != NULL) {
listener->notifyShutter(r.resultExtras, msg.timestamp);
}
// send pending result and buffers
sendCaptureResult(r.pendingMetadata, r.resultExtras,
r.collectedPartialResult, msg.frame_number,
r.hasInputBuffer);
}
returnOutputBuffers(r.pendingOutputBuffers.array(),
r.pendingOutputBuffers.size(), r.shutterTimestamp);
r.pendingOutputBuffers.clear();
removeInFlightRequestIfReadyLocked(idx);
}
}
if (idx < 0) {
SET_ERR("Shutter notification for non-existent frame number %d",
msg.frame_number);
}
}
CameraMetadata Camera3Device::getLatestRequestLocked() {
ALOGV("%s", __FUNCTION__);
CameraMetadata retVal;
if (mRequestThread != NULL) {
retVal = mRequestThread->getLatestRequest();
}
return retVal;
}
void Camera3Device::monitorMetadata(TagMonitor::eventSource source,
int64_t frameNumber, nsecs_t timestamp, const CameraMetadata& metadata) {
mTagMonitor.monitorMetadata(source, frameNumber, timestamp, metadata);
}
/**
* HalInterface inner class methods
*/
Camera3Device::HalInterface::HalInterface(
sp<ICameraDeviceSession> &session,
std::shared_ptr<RequestMetadataQueue> queue) :
mHal3Device(nullptr),
mHidlSession(session),
mRequestMetadataQueue(queue) {}
Camera3Device::HalInterface::HalInterface() :
mHal3Device(nullptr) {}
Camera3Device::HalInterface::HalInterface(const HalInterface& other) :
mHal3Device(other.mHal3Device),
mHidlSession(other.mHidlSession),
mRequestMetadataQueue(other.mRequestMetadataQueue) {}
bool Camera3Device::HalInterface::valid() {
return (mHal3Device != nullptr) || (mHidlSession != nullptr);
}
void Camera3Device::HalInterface::clear() {
mHal3Device = nullptr;
mHidlSession.clear();
}
bool Camera3Device::HalInterface::supportBatchRequest() {
return mHidlSession != nullptr;
}
status_t Camera3Device::HalInterface::constructDefaultRequestSettings(
camera3_request_template_t templateId,
/*out*/ camera_metadata_t **requestTemplate) {
ATRACE_NAME("CameraHal::constructDefaultRequestSettings");
if (!valid()) return INVALID_OPERATION;
status_t res = OK;
if (mHal3Device != nullptr) {
const camera_metadata *r;
r = mHal3Device->ops->construct_default_request_settings(
mHal3Device, templateId);
if (r == nullptr) return BAD_VALUE;
*requestTemplate = clone_camera_metadata(r);
if (requestTemplate == nullptr) {
ALOGE("%s: Unable to clone camera metadata received from HAL",
__FUNCTION__);
return INVALID_OPERATION;
}
} else {
common::V1_0::Status status;
RequestTemplate id;
switch (templateId) {
case CAMERA3_TEMPLATE_PREVIEW:
id = RequestTemplate::PREVIEW;
break;
case CAMERA3_TEMPLATE_STILL_CAPTURE:
id = RequestTemplate::STILL_CAPTURE;
break;
case CAMERA3_TEMPLATE_VIDEO_RECORD:
id = RequestTemplate::VIDEO_RECORD;
break;
case CAMERA3_TEMPLATE_VIDEO_SNAPSHOT:
id = RequestTemplate::VIDEO_SNAPSHOT;
break;
case CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG:
id = RequestTemplate::ZERO_SHUTTER_LAG;
break;
case CAMERA3_TEMPLATE_MANUAL:
id = RequestTemplate::MANUAL;
break;
default:
// Unknown template ID
return BAD_VALUE;
}
auto err = mHidlSession->constructDefaultRequestSettings(id,
[&status, &requestTemplate]
(common::V1_0::Status s, const device::V3_2::CameraMetadata& request) {
status = s;
if (status == common::V1_0::Status::OK) {
const camera_metadata *r =
reinterpret_cast<const camera_metadata_t*>(request.data());
size_t expectedSize = request.size();
int ret = validate_camera_metadata_structure(r, &expectedSize);
if (ret == OK || ret == CAMERA_METADATA_VALIDATION_SHIFTED) {
*requestTemplate = clone_camera_metadata(r);
if (*requestTemplate == nullptr) {
ALOGE("%s: Unable to clone camera metadata received from HAL",
__FUNCTION__);
status = common::V1_0::Status::INTERNAL_ERROR;
}
} else {
ALOGE("%s: Malformed camera metadata received from HAL", __FUNCTION__);
status = common::V1_0::Status::INTERNAL_ERROR;
}
}
});
if (!err.isOk()) {
ALOGE("%s: Transaction error: %s", __FUNCTION__, err.description().c_str());
res = DEAD_OBJECT;
} else {
res = CameraProviderManager::mapToStatusT(status);
}
}
return res;
}
status_t Camera3Device::HalInterface::configureStreams(camera3_stream_configuration *config) {
ATRACE_NAME("CameraHal::configureStreams");
if (!valid()) return INVALID_OPERATION;
status_t res = OK;
if (mHal3Device != nullptr) {
res = mHal3Device->ops->configure_streams(mHal3Device, config);
} else {
// Convert stream config to HIDL
std::set<int> activeStreams;
StreamConfiguration requestedConfiguration;
requestedConfiguration.streams.resize(config->num_streams);
for (size_t i = 0; i < config->num_streams; i++) {
Stream &dst = requestedConfiguration.streams[i];
camera3_stream_t *src = config->streams[i];
Camera3Stream* cam3stream = Camera3Stream::cast(src);
cam3stream->setBufferFreedListener(this);
int streamId = cam3stream->getId();
StreamType streamType;
switch (src->stream_type) {
case CAMERA3_STREAM_OUTPUT:
streamType = StreamType::OUTPUT;
break;
case CAMERA3_STREAM_INPUT:
streamType = StreamType::INPUT;
break;
default:
ALOGE("%s: Stream %d: Unsupported stream type %d",
__FUNCTION__, streamId, config->streams[i]->stream_type);
return BAD_VALUE;
}
dst.id = streamId;
dst.streamType = streamType;
dst.width = src->width;
dst.height = src->height;
dst.format = mapToPixelFormat(src->format);
dst.usage = mapToConsumerUsage(src->usage);
dst.dataSpace = mapToHidlDataspace(src->data_space);
dst.rotation = mapToStreamRotation((camera3_stream_rotation_t) src->rotation);
activeStreams.insert(streamId);
// Create Buffer ID map if necessary
if (mBufferIdMaps.count(streamId) == 0) {
mBufferIdMaps.emplace(streamId, BufferIdMap{});
}
}
// remove BufferIdMap for deleted streams
for(auto it = mBufferIdMaps.begin(); it != mBufferIdMaps.end();) {
int streamId = it->first;
bool active = activeStreams.count(streamId) > 0;
if (!active) {
it = mBufferIdMaps.erase(it);
} else {
++it;
}
}
res = mapToStreamConfigurationMode(
(camera3_stream_configuration_mode_t) config->operation_mode,
/*out*/ &requestedConfiguration.operationMode);
if (res != OK) {
return res;
}
// Invoke configureStreams
HalStreamConfiguration finalConfiguration;
common::V1_0::Status status;
auto err = mHidlSession->configureStreams(requestedConfiguration,
[&status, &finalConfiguration]
(common::V1_0::Status s, const HalStreamConfiguration& halConfiguration) {
finalConfiguration = halConfiguration;
status = s;
});
if (!err.isOk()) {
ALOGE("%s: Transaction error: %s", __FUNCTION__, err.description().c_str());
return DEAD_OBJECT;
}
if (status != common::V1_0::Status::OK ) {
return CameraProviderManager::mapToStatusT(status);
}
// And convert output stream configuration from HIDL
for (size_t i = 0; i < config->num_streams; i++) {
camera3_stream_t *dst = config->streams[i];
int streamId = Camera3Stream::cast(dst)->getId();
// Start scan at i, with the assumption that the stream order matches
size_t realIdx = i;
bool found = false;
for (size_t idx = 0; idx < finalConfiguration.streams.size(); idx++) {
if (finalConfiguration.streams[realIdx].id == streamId) {
found = true;
break;
}
realIdx = (realIdx >= finalConfiguration.streams.size()) ? 0 : realIdx + 1;
}
if (!found) {
ALOGE("%s: Stream %d not found in stream configuration response from HAL",
__FUNCTION__, streamId);
return INVALID_OPERATION;
}
HalStream &src = finalConfiguration.streams[realIdx];
int overrideFormat = mapToFrameworkFormat(src.overrideFormat);
if (dst->format != HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
if (dst->format != overrideFormat) {
ALOGE("%s: Stream %d: Format override not allowed for format 0x%x", __FUNCTION__,
streamId, dst->format);
}
} else {
// Override allowed with IMPLEMENTATION_DEFINED
dst->format = overrideFormat;
}
if (dst->stream_type == CAMERA3_STREAM_INPUT) {
if (src.producerUsage != 0) {
ALOGE("%s: Stream %d: INPUT streams must have 0 for producer usage",
__FUNCTION__, streamId);
return INVALID_OPERATION;
}
dst->usage = mapConsumerToFrameworkUsage(src.consumerUsage);
} else {
// OUTPUT
if (src.consumerUsage != 0) {
ALOGE("%s: Stream %d: OUTPUT streams must have 0 for consumer usage",
__FUNCTION__, streamId);
return INVALID_OPERATION;
}
dst->usage = mapProducerToFrameworkUsage(src.producerUsage);
}
dst->max_buffers = src.maxBuffers;
}
}
return res;
}
void Camera3Device::HalInterface::wrapAsHidlRequest(camera3_capture_request_t* request,
/*out*/device::V3_2::CaptureRequest* captureRequest,
/*out*/std::vector<native_handle_t*>* handlesCreated) {
if (captureRequest == nullptr || handlesCreated == nullptr) {
ALOGE("%s: captureRequest (%p) and handlesCreated (%p) must not be null",
__FUNCTION__, captureRequest, handlesCreated);
return;
}
captureRequest->frameNumber = request->frame_number;
captureRequest->fmqSettingsSize = 0;
{
std::lock_guard<std::mutex> lock(mInflightLock);
if (request->input_buffer != nullptr) {
int32_t streamId = Camera3Stream::cast(request->input_buffer->stream)->getId();
buffer_handle_t buf = *(request->input_buffer->buffer);
auto pair = getBufferId(buf, streamId);
bool isNewBuffer = pair.first;
uint64_t bufferId = pair.second;
captureRequest->inputBuffer.streamId = streamId;
captureRequest->inputBuffer.bufferId = bufferId;
captureRequest->inputBuffer.buffer = (isNewBuffer) ? buf : nullptr;
captureRequest->inputBuffer.status = BufferStatus::OK;
native_handle_t *acquireFence = nullptr;
if (request->input_buffer->acquire_fence != -1) {
acquireFence = native_handle_create(1,0);
acquireFence->data[0] = request->input_buffer->acquire_fence;
handlesCreated->push_back(acquireFence);
}
captureRequest->inputBuffer.acquireFence = acquireFence;
captureRequest->inputBuffer.releaseFence = nullptr;
pushInflightBufferLocked(captureRequest->frameNumber, streamId,
request->input_buffer->buffer,
request->input_buffer->acquire_fence);
} else {
captureRequest->inputBuffer.streamId = -1;
captureRequest->inputBuffer.bufferId = BUFFER_ID_NO_BUFFER;
}
captureRequest->outputBuffers.resize(request->num_output_buffers);
for (size_t i = 0; i < request->num_output_buffers; i++) {
const camera3_stream_buffer_t *src = request->output_buffers + i;
StreamBuffer &dst = captureRequest->outputBuffers[i];
int32_t streamId = Camera3Stream::cast(src->stream)->getId();
buffer_handle_t buf = *(src->buffer);
auto pair = getBufferId(buf, streamId);
bool isNewBuffer = pair.first;
dst.streamId = streamId;
dst.bufferId = pair.second;
dst.buffer = isNewBuffer ? buf : nullptr;
dst.status = BufferStatus::OK;
native_handle_t *acquireFence = nullptr;
if (src->acquire_fence != -1) {
acquireFence = native_handle_create(1,0);
acquireFence->data[0] = src->acquire_fence;
handlesCreated->push_back(acquireFence);
}
dst.acquireFence = acquireFence;
dst.releaseFence = nullptr;
pushInflightBufferLocked(captureRequest->frameNumber, streamId,
src->buffer, src->acquire_fence);
}
}
}
status_t Camera3Device::HalInterface::processBatchCaptureRequests(
std::vector<camera3_capture_request_t*>& requests,/*out*/uint32_t* numRequestProcessed) {
ATRACE_NAME("CameraHal::processBatchCaptureRequests");
if (!valid()) return INVALID_OPERATION;
hardware::hidl_vec<device::V3_2::CaptureRequest> captureRequests;
size_t batchSize = requests.size();
captureRequests.resize(batchSize);
std::vector<native_handle_t*> handlesCreated;
for (size_t i = 0; i < batchSize; i++) {
wrapAsHidlRequest(requests[i], /*out*/&captureRequests[i], /*out*/&handlesCreated);
}
std::vector<device::V3_2::BufferCache> cachesToRemove;
{
std::lock_guard<std::mutex> lock(mBufferIdMapLock);
for (auto& pair : mFreedBuffers) {
// The stream might have been removed since onBufferFreed
if (mBufferIdMaps.find(pair.first) != mBufferIdMaps.end()) {
cachesToRemove.push_back({pair.first, pair.second});
}
}
mFreedBuffers.clear();
}
common::V1_0::Status status = common::V1_0::Status::INTERNAL_ERROR;
*numRequestProcessed = 0;
// Write metadata to FMQ.
for (size_t i = 0; i < batchSize; i++) {
camera3_capture_request_t* request = requests[i];
device::V3_2::CaptureRequest* captureRequest = &captureRequests[i];
if (request->settings != nullptr) {
size_t settingsSize = get_camera_metadata_size(request->settings);
if (mRequestMetadataQueue != nullptr && mRequestMetadataQueue->write(
reinterpret_cast<const uint8_t*>(request->settings), settingsSize)) {
captureRequest->settings.resize(0);
captureRequest->fmqSettingsSize = settingsSize;
} else {
if (mRequestMetadataQueue != nullptr) {
ALOGW("%s: couldn't utilize fmq, fallback to hwbinder", __FUNCTION__);
}
captureRequest->settings.setToExternal(
reinterpret_cast<uint8_t*>(const_cast<camera_metadata_t*>(request->settings)),
get_camera_metadata_size(request->settings));
captureRequest->fmqSettingsSize = 0u;
}
} else {
// A null request settings maps to a size-0 CameraMetadata
captureRequest->settings.resize(0);
captureRequest->fmqSettingsSize = 0u;
}
}
auto err = mHidlSession->processCaptureRequest(captureRequests, cachesToRemove,
[&status, &numRequestProcessed] (auto s, uint32_t n) {
status = s;
*numRequestProcessed = n;
});
if (!err.isOk()) {
ALOGE("%s: Transaction error: %s", __FUNCTION__, err.description().c_str());
return DEAD_OBJECT;
}
if (status == common::V1_0::Status::OK && *numRequestProcessed != batchSize) {
ALOGE("%s: processCaptureRequest returns OK but processed %d/%zu requests",
__FUNCTION__, *numRequestProcessed, batchSize);
status = common::V1_0::Status::INTERNAL_ERROR;
}
for (auto& handle : handlesCreated) {
native_handle_delete(handle);
}
return CameraProviderManager::mapToStatusT(status);
}
status_t Camera3Device::HalInterface::processCaptureRequest(
camera3_capture_request_t *request) {
ATRACE_NAME("CameraHal::processCaptureRequest");
if (!valid()) return INVALID_OPERATION;
status_t res = OK;
if (mHal3Device != nullptr) {
res = mHal3Device->ops->process_capture_request(mHal3Device, request);
} else {
uint32_t numRequestProcessed = 0;
std::vector<camera3_capture_request_t*> requests(1);
requests[0] = request;
res = processBatchCaptureRequests(requests, &numRequestProcessed);
}
return res;
}
status_t Camera3Device::HalInterface::flush() {
ATRACE_NAME("CameraHal::flush");
if (!valid()) return INVALID_OPERATION;
status_t res = OK;
if (mHal3Device != nullptr) {
res = mHal3Device->ops->flush(mHal3Device);
} else {
auto err = mHidlSession->flush();
if (!err.isOk()) {
ALOGE("%s: Transaction error: %s", __FUNCTION__, err.description().c_str());
res = DEAD_OBJECT;
} else {
res = CameraProviderManager::mapToStatusT(err);
}
}
return res;
}
status_t Camera3Device::HalInterface::dump(int fd) {
ATRACE_NAME("CameraHal::dump");
if (!valid()) return INVALID_OPERATION;
status_t res = OK;
if (mHal3Device != nullptr) {
mHal3Device->ops->dump(mHal3Device, fd);
} else {
// Handled by CameraProviderManager::dump
}
return res;
}
status_t Camera3Device::HalInterface::close() {
ATRACE_NAME("CameraHal::close()");
if (!valid()) return INVALID_OPERATION;
status_t res = OK;
if (mHal3Device != nullptr) {
mHal3Device->common.close(&mHal3Device->common);
} else {
auto err = mHidlSession->close();
// Interface will be dead shortly anyway, so don't log errors
if (!err.isOk()) {
res = DEAD_OBJECT;
}
}
return res;
}
status_t Camera3Device::HalInterface::pushInflightBufferLocked(
int32_t frameNumber, int32_t streamId, buffer_handle_t *buffer, int acquireFence) {
uint64_t key = static_cast<uint64_t>(frameNumber) << 32 | static_cast<uint64_t>(streamId);
auto pair = std::make_pair(buffer, acquireFence);
mInflightBufferMap[key] = pair;
return OK;
}
status_t Camera3Device::HalInterface::popInflightBuffer(
int32_t frameNumber, int32_t streamId,
/*out*/ buffer_handle_t **buffer) {
std::lock_guard<std::mutex> lock(mInflightLock);
uint64_t key = static_cast<uint64_t>(frameNumber) << 32 | static_cast<uint64_t>(streamId);
auto it = mInflightBufferMap.find(key);
if (it == mInflightBufferMap.end()) return NAME_NOT_FOUND;
auto pair = it->second;
*buffer = pair.first;
int acquireFence = pair.second;
if (acquireFence > 0) {
::close(acquireFence);
}
mInflightBufferMap.erase(it);
return OK;
}
std::pair<bool, uint64_t> Camera3Device::HalInterface::getBufferId(
const buffer_handle_t& buf, int streamId) {
std::lock_guard<std::mutex> lock(mBufferIdMapLock);
BufferIdMap& bIdMap = mBufferIdMaps.at(streamId);
auto it = bIdMap.find(buf);
if (it == bIdMap.end()) {
bIdMap[buf] = mNextBufferId++;
ALOGV("stream %d now have %zu buffer caches, buf %p",
streamId, bIdMap.size(), buf);
return std::make_pair(true, mNextBufferId - 1);
} else {
return std::make_pair(false, it->second);
}
}
void Camera3Device::HalInterface::onBufferFreed(
int streamId, const native_handle_t* handle) {
std::lock_guard<std::mutex> lock(mBufferIdMapLock);
uint64_t bufferId = BUFFER_ID_NO_BUFFER;
auto mapIt = mBufferIdMaps.find(streamId);
if (mapIt == mBufferIdMaps.end()) {
// streamId might be from a deleted stream here
ALOGI("%s: stream %d has been removed",
__FUNCTION__, streamId);
return;
}
BufferIdMap& bIdMap = mapIt->second;
auto it = bIdMap.find(handle);
if (it == bIdMap.end()) {
ALOGW("%s: cannot find buffer %p in stream %d",
__FUNCTION__, handle, streamId);
return;
} else {
bufferId = it->second;
bIdMap.erase(it);
ALOGV("%s: stream %d now have %zu buffer caches after removing buf %p",
__FUNCTION__, streamId, bIdMap.size(), handle);
}
mFreedBuffers.push_back(std::make_pair(streamId, bufferId));
}
/**
* RequestThread inner class methods
*/
Camera3Device::RequestThread::RequestThread(wp<Camera3Device> parent,
sp<StatusTracker> statusTracker,
HalInterface* interface) :
Thread(/*canCallJava*/false),
mParent(parent),
mStatusTracker(statusTracker),
mInterface(interface),
mListener(nullptr),
mId(getId(parent)),
mReconfigured(false),
mDoPause(false),
mPaused(true),
mFrameNumber(0),
mLatestRequestId(NAME_NOT_FOUND),
mCurrentAfTriggerId(0),
mCurrentPreCaptureTriggerId(0),
mRepeatingLastFrameNumber(
hardware::camera2::ICameraDeviceUser::NO_IN_FLIGHT_REPEATING_FRAMES),
mPrepareVideoStream(false),
mRequestLatency(kRequestLatencyBinSize) {
mStatusId = statusTracker->addComponent();
}
Camera3Device::RequestThread::~RequestThread() {}
void Camera3Device::RequestThread::setNotificationListener(
wp<NotificationListener> listener) {
Mutex::Autolock l(mRequestLock);
mListener = listener;
}
void Camera3Device::RequestThread::configurationComplete(bool isConstrainedHighSpeed) {
Mutex::Autolock l(mRequestLock);
mReconfigured = true;
// Prepare video stream for high speed recording.
mPrepareVideoStream = isConstrainedHighSpeed;
}
status_t Camera3Device::RequestThread::queueRequestList(
List<sp<CaptureRequest> > &requests,
/*out*/
int64_t *lastFrameNumber) {
Mutex::Autolock l(mRequestLock);
for (List<sp<CaptureRequest> >::iterator it = requests.begin(); it != requests.end();
++it) {
mRequestQueue.push_back(*it);
}
if (lastFrameNumber != NULL) {
*lastFrameNumber = mFrameNumber + mRequestQueue.size() - 1;
ALOGV("%s: requestId %d, mFrameNumber %" PRId32 ", lastFrameNumber %" PRId64 ".",
__FUNCTION__, (*(requests.begin()))->mResultExtras.requestId, mFrameNumber,
*lastFrameNumber);
}
unpauseForNewRequests();
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;
}
const String8& Camera3Device::RequestThread::getId(const wp<Camera3Device> &device) {
static String8 deadId("<DeadDevice>");
sp<Camera3Device> d = device.promote();
if (d != nullptr) return d->mId;
return deadId;
}
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,
/*out*/
int64_t *lastFrameNumber) {
Mutex::Autolock l(mRequestLock);
if (lastFrameNumber != NULL) {
*lastFrameNumber = mRepeatingLastFrameNumber;
}
mRepeatingRequests.clear();
mRepeatingRequests.insert(mRepeatingRequests.begin(),
requests.begin(), requests.end());
unpauseForNewRequests();
mRepeatingLastFrameNumber = hardware::camera2::ICameraDeviceUser::NO_IN_FLIGHT_REPEATING_FRAMES;
return OK;
}
bool Camera3Device::RequestThread::isRepeatingRequestLocked(const sp<CaptureRequest>& requestIn) {
if (mRepeatingRequests.empty()) {
return false;
}
int32_t requestId = requestIn->mResultExtras.requestId;
const RequestList &repeatRequests = mRepeatingRequests;
// All repeating requests are guaranteed to have same id so only check first quest
const sp<CaptureRequest> firstRequest = *repeatRequests.begin();
return (firstRequest->mResultExtras.requestId == requestId);
}
status_t Camera3Device::RequestThread::clearRepeatingRequests(/*out*/int64_t *lastFrameNumber) {
Mutex::Autolock l(mRequestLock);
return clearRepeatingRequestsLocked(lastFrameNumber);
}
status_t Camera3Device::RequestThread::clearRepeatingRequestsLocked(/*out*/int64_t *lastFrameNumber) {
mRepeatingRequests.clear();
if (lastFrameNumber != NULL) {
*lastFrameNumber = mRepeatingLastFrameNumber;
}
mRepeatingLastFrameNumber = hardware::camera2::ICameraDeviceUser::NO_IN_FLIGHT_REPEATING_FRAMES;
return OK;
}
status_t Camera3Device::RequestThread::clear(
/*out*/int64_t *lastFrameNumber) {
Mutex::Autolock l(mRequestLock);
ALOGV("RequestThread::%s:", __FUNCTION__);
mRepeatingRequests.clear();
// Send errors for all requests pending in the request queue, including
// pending repeating requests
sp<NotificationListener> listener = mListener.promote();
if (listener != NULL) {
for (RequestList::iterator it = mRequestQueue.begin();
it != mRequestQueue.end(); ++it) {
// Abort the input buffers for reprocess requests.
if ((*it)->mInputStream != NULL) {
camera3_stream_buffer_t inputBuffer;
status_t res = (*it)->mInputStream->getInputBuffer(&inputBuffer);
if (res != OK) {
ALOGW("%s: %d: couldn't get input buffer while clearing the request "
"list: %s (%d)", __FUNCTION__, __LINE__, strerror(-res), res);
} else {
res = (*it)->mInputStream->returnInputBuffer(inputBuffer);
if (res != OK) {
ALOGE("%s: %d: couldn't return input buffer while clearing the request "
"list: %s (%d)", __FUNCTION__, __LINE__, strerror(-res), res);
}
}
}
// Set the frame number this request would have had, if it
// had been submitted; this frame number will not be reused.
// The requestId and burstId fields were set when the request was
// submitted originally (in convertMetadataListToRequestListLocked)
(*it)->mResultExtras.frameNumber = mFrameNumber++;
listener->notifyError(hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST,
(*it)->mResultExtras);
}
}
mRequestQueue.clear();
Mutex::Autolock al(mTriggerMutex);
mTriggerMap.clear();
if (lastFrameNumber != NULL) {
*lastFrameNumber = mRepeatingLastFrameNumber;
}
mRepeatingLastFrameNumber = hardware::camera2::ICameraDeviceUser::NO_IN_FLIGHT_REPEATING_FRAMES;
return OK;
}
status_t Camera3Device::RequestThread::flush() {
ATRACE_CALL();
Mutex::Autolock l(mFlushLock);
return mInterface->flush();
}
void Camera3Device::RequestThread::setPaused(bool paused) {
Mutex::Autolock l(mPauseLock);
mDoPause = paused;
mDoPauseSignal.signal();
}
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;
}
void Camera3Device::RequestThread::requestExit() {
// Call parent to set up shutdown
Thread::requestExit();
// The exit from any possible waits
mDoPauseSignal.signal();
mRequestSignal.signal();
mRequestLatency.log("ProcessCaptureRequest latency histogram");
mRequestLatency.reset();
}
void Camera3Device::RequestThread::checkAndStopRepeatingRequest() {
bool surfaceAbandoned = false;
int64_t lastFrameNumber = 0;
sp<NotificationListener> listener;
{
Mutex::Autolock l(mRequestLock);
// Check all streams needed by repeating requests are still valid. Otherwise, stop
// repeating requests.
for (const auto& request : mRepeatingRequests) {
for (const auto& s : request->mOutputStreams) {
if (s->isAbandoned()) {
surfaceAbandoned = true;
clearRepeatingRequestsLocked(&lastFrameNumber);
break;
}
}
if (surfaceAbandoned) {
break;
}
}
listener = mListener.promote();
}
if (listener != NULL && surfaceAbandoned) {
listener->notifyRepeatingRequestError(lastFrameNumber);
}
}
bool Camera3Device::RequestThread::sendRequestsBatch() {
status_t res;
size_t batchSize = mNextRequests.size();
std::vector<camera3_capture_request_t*> requests(batchSize);
uint32_t numRequestProcessed = 0;
for (size_t i = 0; i < batchSize; i++) {
requests[i] = &mNextRequests.editItemAt(i).halRequest;
}
ATRACE_ASYNC_BEGIN("batch frame capture", mNextRequests[0].halRequest.frame_number);
res = mInterface->processBatchCaptureRequests(requests, &numRequestProcessed);
bool triggerRemoveFailed = false;
NextRequest& triggerFailedRequest = mNextRequests.editItemAt(0);
for (size_t i = 0; i < numRequestProcessed; i++) {
NextRequest& nextRequest = mNextRequests.editItemAt(i);
nextRequest.submitted = true;
// Update the latest request sent to HAL
if (nextRequest.halRequest.settings != NULL) { // Don't update if they were unchanged
Mutex::Autolock al(mLatestRequestMutex);
camera_metadata_t* cloned = clone_camera_metadata(nextRequest.halRequest.settings);
mLatestRequest.acquire(cloned);
sp<Camera3Device> parent = mParent.promote();
if (parent != NULL) {
parent->monitorMetadata(TagMonitor::REQUEST,
nextRequest.halRequest.frame_number,
0, mLatestRequest);
}
}
if (nextRequest.halRequest.settings != NULL) {
nextRequest.captureRequest->mSettings.unlock(nextRequest.halRequest.settings);
}
if (!triggerRemoveFailed) {
// Remove any previously queued triggers (after unlock)
status_t removeTriggerRes = removeTriggers(mPrevRequest);
if (removeTriggerRes != OK) {
triggerRemoveFailed = true;
triggerFailedRequest = nextRequest;
}
}
}
if (triggerRemoveFailed) {
SET_ERR("RequestThread: Unable to remove triggers "
"(capture request %d, HAL device: %s (%d)",
triggerFailedRequest.halRequest.frame_number, strerror(-res), res);
cleanUpFailedRequests(/*sendRequestError*/ false);
return false;
}
if (res != OK) {
// Should only get a failure here for malformed requests or device-level
// errors, so consider all errors fatal. Bad metadata failures should
// come through notify.
SET_ERR("RequestThread: Unable to submit capture request %d to HAL device: %s (%d)",
mNextRequests[numRequestProcessed].halRequest.frame_number,
strerror(-res), res);
cleanUpFailedRequests(/*sendRequestError*/ false);
return false;
}
return true;
}
bool Camera3Device::RequestThread::sendRequestsOneByOne() {
status_t res;
for (auto& nextRequest : mNextRequests) {
// Submit request and block until ready for next one
ATRACE_ASYNC_BEGIN("frame capture", nextRequest.halRequest.frame_number);
res = mInterface->processCaptureRequest(&nextRequest.halRequest);
if (res != OK) {
// Should only get a failure here for malformed requests or device-level
// errors, so consider all errors fatal. Bad metadata failures should
// come through notify.
SET_ERR("RequestThread: Unable to submit capture request %d to HAL"
" device: %s (%d)", nextRequest.halRequest.frame_number, strerror(-res),
res);
cleanUpFailedRequests(/*sendRequestError*/ false);
return false;
}
// Mark that the request has be submitted successfully.
nextRequest.submitted = true;
// Update the latest request sent to HAL
if (nextRequest.halRequest.settings != NULL) { // Don't update if they were unchanged
Mutex::Autolock al(mLatestRequestMutex);
camera_metadata_t* cloned = clone_camera_metadata(nextRequest.halRequest.settings);
mLatestRequest.acquire(cloned);
sp<Camera3Device> parent = mParent.promote();
if (parent != NULL) {
parent->monitorMetadata(TagMonitor::REQUEST, nextRequest.halRequest.frame_number,
0, mLatestRequest);
}
}
if (nextRequest.halRequest.settings != NULL) {
nextRequest.captureRequest->mSettings.unlock(nextRequest.halRequest.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)",
nextRequest.halRequest.frame_number, strerror(-res), res);
cleanUpFailedRequests(/*sendRequestError*/ false);
return false;
}
}
return true;
}
bool Camera3Device::RequestThread::threadLoop() {
ATRACE_CALL();
status_t res;
// Handle paused state.
if (waitIfPaused()) {
return true;
}
// Wait for the next batch of requests.
waitForNextRequestBatch();
if (mNextRequests.size() == 0) {
return true;
}
// Get the latest request ID, if any
int latestRequestId;
camera_metadata_entry_t requestIdEntry = mNextRequests[mNextRequests.size() - 1].
captureRequest->mSettings.find(ANDROID_REQUEST_ID);
if (requestIdEntry.count > 0) {
latestRequestId = requestIdEntry.data.i32[0];
} else {
ALOGW("%s: Did not have android.request.id set in the request.", __FUNCTION__);
latestRequestId = NAME_NOT_FOUND;
}
// Prepare a batch of HAL requests and output buffers.
res = prepareHalRequests();
if (res == TIMED_OUT) {
// Not a fatal error if getting output buffers time out.
cleanUpFailedRequests(/*sendRequestError*/ true);
// Check if any stream is abandoned.
checkAndStopRepeatingRequest();
return true;
} else if (res != OK) {
cleanUpFailedRequests(/*sendRequestError*/ false);
return false;
}
// Inform waitUntilRequestProcessed thread of a new request ID
{
Mutex::Autolock al(mLatestRequestMutex);
mLatestRequestId = latestRequestId;
mLatestRequestSignal.signal();
}
// Submit a batch of requests to HAL.
// Use flush lock only when submitting multilple requests in a batch.
// TODO: The problem with flush lock is flush() will be blocked by process_capture_request()
// which may take a long time to finish so synchronizing flush() and
// process_capture_request() defeats the purpose of cancelling requests ASAP with flush().
// For now, only synchronize for high speed recording and we should figure something out for
// removing the synchronization.
bool useFlushLock = mNextRequests.size() > 1;
if (useFlushLock) {
mFlushLock.lock();
}
ALOGVV("%s: %d: submitting %zu requests in a batch.", __FUNCTION__, __LINE__,
mNextRequests.size());
bool submitRequestSuccess = false;
nsecs_t tRequestStart = systemTime(SYSTEM_TIME_MONOTONIC);
if (mInterface->supportBatchRequest()) {
submitRequestSuccess = sendRequestsBatch();
} else {
submitRequestSuccess = sendRequestsOneByOne();
}
nsecs_t tRequestEnd = systemTime(SYSTEM_TIME_MONOTONIC);
mRequestLatency.add(tRequestStart, tRequestEnd);
if (useFlushLock) {
mFlushLock.unlock();
}
// Unset as current request
{
Mutex::Autolock l(mRequestLock);
mNextRequests.clear();
}
return submitRequestSuccess;
}
status_t Camera3Device::RequestThread::prepareHalRequests() {
ATRACE_CALL();
for (size_t i = 0; i < mNextRequests.size(); i++) {
auto& nextRequest = mNextRequests.editItemAt(i);
sp<CaptureRequest> captureRequest = nextRequest.captureRequest;
camera3_capture_request_t* halRequest = &nextRequest.halRequest;
Vector<camera3_stream_buffer_t>* outputBuffers = &nextRequest.outputBuffers;
// Prepare a request to HAL
halRequest->frame_number = captureRequest->mResultExtras.frameNumber;
// Insert any queued triggers (before metadata is locked)
status_t res = insertTriggers(captureRequest);
if (res < 0) {
SET_ERR("RequestThread: Unable to insert triggers "
"(capture request %d, HAL device: %s (%d)",
halRequest->frame_number, strerror(-res), res);
return INVALID_OPERATION;
}
int triggerCount = res;
bool triggersMixedIn = (triggerCount > 0 || mPrevTriggers > 0);
mPrevTriggers = triggerCount;
// If the request is the same as last, or we had triggers last time
if (mPrevRequest != captureRequest || triggersMixedIn) {
/**
* HAL workaround:
* Insert a dummy trigger ID if a trigger is set but no trigger ID is
*/
res = addDummyTriggerIds(captureRequest);
if (res != OK) {
SET_ERR("RequestThread: Unable to insert dummy trigger IDs "
"(capture request %d, HAL device: %s (%d)",
halRequest->frame_number, strerror(-res), res);
return INVALID_OPERATION;
}
/**
* The request should be presorted so accesses in HAL
* are O(logn). Sidenote, sorting a sorted metadata is nop.
*/
captureRequest->mSettings.sort();
halRequest->settings = captureRequest->mSettings.getAndLock();
mPrevRequest = captureRequest;
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(
halRequest->settings,
ANDROID_CONTROL_AF_TRIGGER,
&e
);
if (e.count > 0) {
ALOGV("%s: Request (frame num %d) had AF trigger 0x%x",
__FUNCTION__,
halRequest->frame_number,
e.data.u8[0]);
}
}
} else {
// leave request.settings NULL to indicate 'reuse latest given'
ALOGVV("%s: Request settings are REUSED",
__FUNCTION__);
}
uint32_t totalNumBuffers = 0;
// Fill in buffers
if (captureRequest->mInputStream != NULL) {
halRequest->input_buffer = &captureRequest->mInputBuffer;
totalNumBuffers += 1;
} else {
halRequest->input_buffer = NULL;
}
outputBuffers->insertAt(camera3_stream_buffer_t(), 0,
captureRequest->mOutputStreams.size());
halRequest->output_buffers = outputBuffers->array();
for (size_t j = 0; j < captureRequest->mOutputStreams.size(); j++) {
sp<Camera3OutputStreamInterface> outputStream = captureRequest->mOutputStreams.editItemAt(j);
// Prepare video buffers for high speed recording on the first video request.
if (mPrepareVideoStream && outputStream->isVideoStream()) {
// Only try to prepare video stream on the first video request.
mPrepareVideoStream = false;
res = outputStream->startPrepare(Camera3StreamInterface::ALLOCATE_PIPELINE_MAX);
while (res == NOT_ENOUGH_DATA) {
res = outputStream->prepareNextBuffer();
}
if (res != OK) {
ALOGW("%s: Preparing video buffers for high speed failed: %s (%d)",
__FUNCTION__, strerror(-res), res);
outputStream->cancelPrepare();
}
}
res = outputStream->getBuffer(&outputBuffers->editItemAt(j),
captureRequest->mOutputSurfaces[j]);
if (res != OK) {
// Can't get output buffer from gralloc queue - this could be due to
// abandoned queue or other consumer misbehavior, so not a fatal
// error
ALOGE("RequestThread: Can't get output buffer, skipping request:"
" %s (%d)", strerror(-res), res);
return TIMED_OUT;
}
halRequest->num_output_buffers++;
}
totalNumBuffers += halRequest->num_output_buffers;
// Log request in the in-flight queue
sp<Camera3Device> parent = mParent.promote();
if (parent == NULL) {
// Should not happen, and nowhere to send errors to, so just log it
CLOGE("RequestThread: Parent is gone");
return INVALID_OPERATION;
}
// If this request list is for constrained high speed recording (not
// preview), and the current request is not the last one in the batch,
// do not send callback to the app.
bool hasCallback = true;
if (mNextRequests[0].captureRequest->mBatchSize > 1 && i != mNextRequests.size()-1) {
hasCallback = false;
}
res = parent->registerInFlight(halRequest->frame_number,
totalNumBuffers, captureRequest->mResultExtras,
/*hasInput*/halRequest->input_buffer != NULL,
hasCallback);
ALOGVV("%s: registered in flight requestId = %" PRId32 ", frameNumber = %" PRId64
", burstId = %" PRId32 ".",
__FUNCTION__,
captureRequest->mResultExtras.requestId, captureRequest->mResultExtras.frameNumber,
captureRequest->mResultExtras.burstId);
if (res != OK) {
SET_ERR("RequestThread: Unable to register new in-flight request:"
" %s (%d)", strerror(-res), res);
return INVALID_OPERATION;
}
}
return OK;
}
CameraMetadata Camera3Device::RequestThread::getLatestRequest() const {
Mutex::Autolock al(mLatestRequestMutex);
ALOGV("RequestThread::%s", __FUNCTION__);
return mLatestRequest;
}
bool Camera3Device::RequestThread::isStreamPending(
sp<Camera3StreamInterface>& stream) {
Mutex::Autolock l(mRequestLock);
for (const auto& nextRequest : mNextRequests) {
if (!nextRequest.submitted) {
for (const auto& s : nextRequest.captureRequest->mOutputStreams) {
if (stream == s) return true;
}
if (stream == nextRequest.captureRequest->mInputStream) return true;
}
}
for (const auto& request : mRequestQueue) {
for (const auto& s : request->mOutputStreams) {
if (stream == s) return true;
}
if (stream == request->mInputStream) return true;
}
for (const auto& request : mRepeatingRequests) {
for (const auto& s : request->mOutputStreams) {
if (stream == s) return true;
}
if (stream == request->mInputStream) return true;
}
return false;
}
void Camera3Device::RequestThread::cleanUpFailedRequests(bool sendRequestError) {
if (mNextRequests.empty()) {
return;
}
for (auto& nextRequest : mNextRequests) {
// Skip the ones that have been submitted successfully.
if (nextRequest.submitted) {
continue;
}
sp<CaptureRequest> captureRequest = nextRequest.captureRequest;
camera3_capture_request_t* halRequest = &nextRequest.halRequest;
Vector<camera3_stream_buffer_t>* outputBuffers = &nextRequest.outputBuffers;
if (halRequest->settings != NULL) {
captureRequest->mSettings.unlock(halRequest->settings);
}
if (captureRequest->mInputStream != NULL) {
captureRequest->mInputBuffer.status = CAMERA3_BUFFER_STATUS_ERROR;
captureRequest->mInputStream->returnInputBuffer(captureRequest->mInputBuffer);
}
for (size_t i = 0; i < halRequest->num_output_buffers; i++) {
//Buffers that failed processing could still have
//valid acquire fence.
int acquireFence = (*outputBuffers)[i].acquire_fence;
if (0 <= acquireFence) {
close(acquireFence);
outputBuffers->editItemAt(i).acquire_fence = -1;
}
outputBuffers->editItemAt(i).status = CAMERA3_BUFFER_STATUS_ERROR;
captureRequest->mOutputStreams.editItemAt(i)->returnBuffer((*outputBuffers)[i], 0);
}
if (sendRequestError) {
Mutex::Autolock l(mRequestLock);
sp<NotificationListener> listener = mListener.promote();
if (listener != NULL) {
listener->notifyError(
hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST,
captureRequest->mResultExtras);
}
}
// Remove yet-to-be submitted inflight request from inflightMap
{
sp<Camera3Device> parent = mParent.promote();
if (parent != NULL) {
Mutex::Autolock l(parent->mInFlightLock);
ssize_t idx = parent->mInFlightMap.indexOfKey(captureRequest->mResultExtras.frameNumber);
if (idx >= 0) {
ALOGV("%s: Remove inflight request from queue: frameNumber %" PRId64,
__FUNCTION__, captureRequest->mResultExtras.frameNumber);
parent->removeInFlightMapEntryLocked(idx);
}
}
}
}
Mutex::Autolock l(mRequestLock);
mNextRequests.clear();
}
void Camera3Device::RequestThread::waitForNextRequestBatch() {
// 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);
assert(mNextRequests.empty());
NextRequest nextRequest;
nextRequest.captureRequest = waitForNextRequestLocked();
if (nextRequest.captureRequest == nullptr) {
return;
}
nextRequest.halRequest = camera3_capture_request_t();
nextRequest.submitted = false;
mNextRequests.add(nextRequest);
// Wait for additional requests
const size_t batchSize = nextRequest.captureRequest->mBatchSize;
for (size_t i = 1; i < batchSize; i++) {
NextRequest additionalRequest;
additionalRequest.captureRequest = waitForNextRequestLocked();
if (additionalRequest.captureRequest == nullptr) {
break;
}
additionalRequest.halRequest = camera3_capture_request_t();
additionalRequest.submitted = false;
mNextRequests.add(additionalRequest);
}
if (mNextRequests.size() < batchSize) {
ALOGE("RequestThread: only get %zu out of %zu requests. Skipping requests.",
mNextRequests.size(), batchSize);
cleanUpFailedRequests(/*sendRequestError*/true);
}
return;
}
sp<Camera3Device::CaptureRequest>
Camera3Device::RequestThread::waitForNextRequestLocked() {
status_t res;
sp<CaptureRequest> nextRequest;
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
mRepeatingLastFrameNumber = mFrameNumber + requests.size() - 1;
break;
}
res = mRequestSignal.waitRelative(mRequestLock, kRequestTimeout);
if ((mRequestQueue.empty() && mRepeatingRequests.empty()) ||
exitPending()) {
Mutex::Autolock pl(mPauseLock);
if (mPaused == false) {
ALOGV("%s: RequestThread: Going idle", __FUNCTION__);
mPaused = true;
// Let the tracker know
sp<StatusTracker> statusTracker = mStatusTracker.promote();
if (statusTracker != 0) {
statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE);
}
}
// 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);
if (mRequestQueue.empty() && !nextRequest->mRepeating) {
sp<NotificationListener> listener = mListener.promote();
if (listener != NULL) {
listener->notifyRequestQueueEmpty();
}
}
}
// In case we've been unpaused by setPaused clearing mDoPause, need to
// update internal pause state (capture/setRepeatingRequest unpause
// directly).
Mutex::Autolock pl(mPauseLock);
if (mPaused) {
ALOGV("%s: RequestThread: Unpaused", __FUNCTION__);
sp<StatusTracker> statusTracker = mStatusTracker.promote();
if (statusTracker != 0) {
statusTracker->markComponentActive(mStatusId);
}
}
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;
}
if (nextRequest != NULL) {
nextRequest->mResultExtras.frameNumber = mFrameNumber++;
nextRequest->mResultExtras.afTriggerId = mCurrentAfTriggerId;
nextRequest->mResultExtras.precaptureTriggerId = mCurrentPreCaptureTriggerId;
// Since RequestThread::clear() removes buffers from the input stream,
// get the right buffer here before unlocking mRequestLock
if (nextRequest->mInputStream != NULL) {
res = nextRequest->mInputStream->getInputBuffer(&nextRequest->mInputBuffer);
if (res != OK) {
// Can't get input buffer from gralloc queue - this could be due to
// disconnected queue or other producer misbehavior, so not a fatal
// error
ALOGE("%s: Can't get input buffer, skipping request:"
" %s (%d)", __FUNCTION__, strerror(-res), res);
sp<NotificationListener> listener = mListener.promote();
if (listener != NULL) {
listener->notifyError(
hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_REQUEST,
nextRequest->mResultExtras);
}
return NULL;
}
}
}
return nextRequest;
}
bool Camera3Device::RequestThread::waitIfPaused() {
status_t res;
Mutex::Autolock l(mPauseLock);
while (mDoPause) {
if (mPaused == false) {
mPaused = true;
ALOGV("%s: RequestThread: Paused", __FUNCTION__);
// Let the tracker know
sp<StatusTracker> statusTracker = mStatusTracker.promote();
if (statusTracker != 0) {
statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE);
}
}
res = mDoPauseSignal.waitRelative(mPauseLock, kRequestTimeout);
if (res == TIMED_OUT || exitPending()) {
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::unpauseForNewRequests() {
// With work to do, mark thread as unpaused.
// If paused by request (setPaused), don't resume, to avoid
// extra signaling/waiting overhead to waitUntilPaused
mRequestSignal.signal();
Mutex::Autolock p(mPauseLock);
if (!mDoPause) {
ALOGV("%s: RequestThread: Going active", __FUNCTION__);
if (mPaused) {
sp<StatusTracker> statusTracker = mStatusTracker.promote();
if (statusTracker != 0) {
statusTracker->markComponentActive(mStatusId);
}
}
mPaused = 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);
sp<Camera3Device> parent = mParent.promote();
if (parent == NULL) {
CLOGE("RequestThread: Parent is gone");
return DEAD_OBJECT;
}
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;
if (tag == ANDROID_CONTROL_AF_TRIGGER_ID || tag == ANDROID_CONTROL_AE_PRECAPTURE_ID) {
bool isAeTrigger = (trigger.metadataTag == ANDROID_CONTROL_AE_PRECAPTURE_ID);
uint32_t triggerId = static_cast<uint32_t>(trigger.entryValue);
if (isAeTrigger) {
request->mResultExtras.precaptureTriggerId = triggerId;
mCurrentPreCaptureTriggerId = triggerId;
} else {
request->mResultExtras.afTriggerId = triggerId;
mCurrentAfTriggerId = triggerId;
}
continue;
}
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;
}
status_t Camera3Device::RequestThread::addDummyTriggerIds(
const sp<CaptureRequest> &request) {
// Trigger ID 0 had special meaning in the HAL2 spec, so avoid it here
static const int32_t dummyTriggerId = 1;
status_t res;
CameraMetadata &metadata = request->mSettings;
// If AF trigger is active, insert a dummy AF trigger ID if none already
// exists
camera_metadata_entry afTrigger = metadata.find(ANDROID_CONTROL_AF_TRIGGER);
camera_metadata_entry afId = metadata.find(ANDROID_CONTROL_AF_TRIGGER_ID);
if (afTrigger.count > 0 &&
afTrigger.data.u8[0] != ANDROID_CONTROL_AF_TRIGGER_IDLE &&
afId.count == 0) {
res = metadata.update(ANDROID_CONTROL_AF_TRIGGER_ID, &dummyTriggerId, 1);
if (res != OK) return res;
}
// If AE precapture trigger is active, insert a dummy precapture trigger ID
// if none already exists
camera_metadata_entry pcTrigger =
metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER);
camera_metadata_entry pcId = metadata.find(ANDROID_CONTROL_AE_PRECAPTURE_ID);
if (pcTrigger.count > 0 &&
pcTrigger.data.u8[0] != ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE &&
pcId.count == 0) {
res = metadata.update(ANDROID_CONTROL_AE_PRECAPTURE_ID,
&dummyTriggerId, 1);
if (res != OK) return res;
}
return OK;
}
/**
* PreparerThread inner class methods
*/
Camera3Device::PreparerThread::PreparerThread() :
Thread(/*canCallJava*/false), mListener(nullptr),
mActive(false), mCancelNow(false) {
}
Camera3Device::PreparerThread::~PreparerThread() {
Thread::requestExitAndWait();
if (mCurrentStream != nullptr) {
mCurrentStream->cancelPrepare();
ATRACE_ASYNC_END("stream prepare", mCurrentStream->getId());
mCurrentStream.clear();
}
clear();
}
status_t Camera3Device::PreparerThread::prepare(int maxCount, sp<Camera3StreamInterface>& stream) {
status_t res;
Mutex::Autolock l(mLock);
sp<NotificationListener> listener = mListener.promote();
res = stream->startPrepare(maxCount);
if (res == OK) {
// No preparation needed, fire listener right off
ALOGV("%s: Stream %d already prepared", __FUNCTION__, stream->getId());
if (listener != NULL) {
listener->notifyPrepared(stream->getId());
}
return OK;
} else if (res != NOT_ENOUGH_DATA) {
return res;
}
// Need to prepare, start up thread if necessary
if (!mActive) {
// mRunning will change to false before the thread fully shuts down, so wait to be sure it
// isn't running
Thread::requestExitAndWait();
res = Thread::run("C3PrepThread", PRIORITY_BACKGROUND);
if (res != OK) {
ALOGE("%s: Unable to start preparer stream: %d (%s)", __FUNCTION__, res, strerror(-res));
if (listener != NULL) {
listener->notifyPrepared(stream->getId());
}
return res;
}
mCancelNow = false;
mActive = true;
ALOGV("%s: Preparer stream started", __FUNCTION__);
}
// queue up the work
mPendingStreams.push_back(stream);
ALOGV("%s: Stream %d queued for preparing", __FUNCTION__, stream->getId());
return OK;
}
status_t Camera3Device::PreparerThread::clear() {
Mutex::Autolock l(mLock);
for (const auto& stream : mPendingStreams) {
stream->cancelPrepare();
}
mPendingStreams.clear();
mCancelNow = true;
return OK;
}
void Camera3Device::PreparerThread::setNotificationListener(wp<NotificationListener> listener) {
Mutex::Autolock l(mLock);
mListener = listener;
}
bool Camera3Device::PreparerThread::threadLoop() {
status_t res;
{
Mutex::Autolock l(mLock);
if (mCurrentStream == nullptr) {
// End thread if done with work
if (mPendingStreams.empty()) {
ALOGV("%s: Preparer stream out of work", __FUNCTION__);
// threadLoop _must not_ re-acquire mLock after it sets mActive to false; would
// cause deadlock with prepare()'s requestExitAndWait triggered by !mActive.
mActive = false;
return false;
}
// Get next stream to prepare
auto it = mPendingStreams.begin();
mCurrentStream = *it;
mPendingStreams.erase(it);
ATRACE_ASYNC_BEGIN("stream prepare", mCurrentStream->getId());
ALOGV("%s: Preparing stream %d", __FUNCTION__, mCurrentStream->getId());
} else if (mCancelNow) {
mCurrentStream->cancelPrepare();
ATRACE_ASYNC_END("stream prepare", mCurrentStream->getId());
ALOGV("%s: Cancelling stream %d prepare", __FUNCTION__, mCurrentStream->getId());
mCurrentStream.clear();
mCancelNow = false;
return true;
}
}
res = mCurrentStream->prepareNextBuffer();
if (res == NOT_ENOUGH_DATA) return true;
if (res != OK) {
// Something bad happened; try to recover by cancelling prepare and
// signalling listener anyway
ALOGE("%s: Stream %d returned error %d (%s) during prepare", __FUNCTION__,
mCurrentStream->getId(), res, strerror(-res));
mCurrentStream->cancelPrepare();
}
// This stream has finished, notify listener
Mutex::Autolock l(mLock);
sp<NotificationListener> listener = mListener.promote();
if (listener != NULL) {
ALOGV("%s: Stream %d prepare done, signaling listener", __FUNCTION__,
mCurrentStream->getId());
listener->notifyPrepared(mCurrentStream->getId());
}
ATRACE_ASYNC_END("stream prepare", mCurrentStream->getId());
mCurrentStream.clear();
return true;
}
/**
* 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