--- /dev/null
+/*
+ * 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.
+ */
+
+/*
+ * Contains implementation of a class EmulatedFakeCamera3 that encapsulates
+ * functionality of an advanced fake camera.
+ */
+
+#include <inttypes.h>
+
+//#define LOG_NDEBUG 0
+//#define LOG_NNDEBUG 0
+#define LOG_TAG "EmulatedCamera_FakeCamera3"
+#include <cutils/properties.h>
+#include <utils/Log.h>
+
+#include "EmulatedFakeCamera3.h"
+#include "EmulatedCameraFactory.h"
+#include <ui/Fence.h>
+#include <ui/Rect.h>
+#include <ui/GraphicBufferMapper.h>
+#include "gralloc_cb.h"
+
+#include "fake-pipeline2/Sensor.h"
+#include "fake-pipeline2/JpegCompressor.h"
+#include <cmath>
+
+#include <vector>
+
+#if defined(LOG_NNDEBUG) && LOG_NNDEBUG == 0
+#define ALOGVV ALOGV
+#else
+#define ALOGVV(...) ((void)0)
+#endif
+
+namespace android {
+
+/**
+ * Constants for camera capabilities
+ */
+
+const int64_t USEC = 1000LL;
+const int64_t MSEC = USEC * 1000LL;
+const int64_t SEC = MSEC * 1000LL;
+
+const int32_t EmulatedFakeCamera3::kAvailableFormats[] = {
+ HAL_PIXEL_FORMAT_RAW16,
+ HAL_PIXEL_FORMAT_BLOB,
+ HAL_PIXEL_FORMAT_RGBA_8888,
+ HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED,
+ // These are handled by YCbCr_420_888
+ // HAL_PIXEL_FORMAT_YV12,
+ // HAL_PIXEL_FORMAT_YCrCb_420_SP,
+ HAL_PIXEL_FORMAT_YCbCr_420_888,
+ HAL_PIXEL_FORMAT_Y16
+};
+
+/**
+ * 3A constants
+ */
+
+// Default exposure and gain targets for different scenarios
+const nsecs_t EmulatedFakeCamera3::kNormalExposureTime = 10 * MSEC;
+const nsecs_t EmulatedFakeCamera3::kFacePriorityExposureTime = 30 * MSEC;
+const int EmulatedFakeCamera3::kNormalSensitivity = 100;
+const int EmulatedFakeCamera3::kFacePrioritySensitivity = 400;
+const float EmulatedFakeCamera3::kExposureTrackRate = 0.1;
+const int EmulatedFakeCamera3::kPrecaptureMinFrames = 10;
+const int EmulatedFakeCamera3::kStableAeMaxFrames = 100;
+const float EmulatedFakeCamera3::kExposureWanderMin = -2;
+const float EmulatedFakeCamera3::kExposureWanderMax = 1;
+
+/**
+ * Camera device lifecycle methods
+ */
+
+EmulatedFakeCamera3::EmulatedFakeCamera3(int cameraId, bool facingBack,
+ struct hw_module_t* module) :
+ EmulatedCamera3(cameraId, module),
+ mFacingBack(facingBack) {
+ ALOGI("Constructing emulated fake camera 3: ID %d, facing %s",
+ mCameraID, facingBack ? "back" : "front");
+
+ for (size_t i = 0; i < CAMERA3_TEMPLATE_COUNT; i++) {
+ mDefaultTemplates[i] = NULL;
+ }
+
+}
+
+EmulatedFakeCamera3::~EmulatedFakeCamera3() {
+ for (size_t i = 0; i < CAMERA3_TEMPLATE_COUNT; i++) {
+ if (mDefaultTemplates[i] != NULL) {
+ free_camera_metadata(mDefaultTemplates[i]);
+ }
+ }
+}
+
+status_t EmulatedFakeCamera3::Initialize() {
+ ALOGV("%s: E", __FUNCTION__);
+ status_t res;
+
+ if (mStatus != STATUS_ERROR) {
+ ALOGE("%s: Already initialized!", __FUNCTION__);
+ return INVALID_OPERATION;
+ }
+
+ res = getCameraCapabilities();
+ if (res != OK) {
+ ALOGE("%s: Unable to get camera capabilities: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ return res;
+ }
+
+ res = constructStaticInfo();
+ if (res != OK) {
+ ALOGE("%s: Unable to allocate static info: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ return res;
+ }
+
+ return EmulatedCamera3::Initialize();
+}
+
+status_t EmulatedFakeCamera3::connectCamera(hw_device_t** device) {
+ ALOGV("%s: E", __FUNCTION__);
+ Mutex::Autolock l(mLock);
+ status_t res;
+
+ if (mStatus != STATUS_CLOSED) {
+ ALOGE("%s: Can't connect in state %d", __FUNCTION__, mStatus);
+ return INVALID_OPERATION;
+ }
+
+ mSensor = new Sensor();
+ mSensor->setSensorListener(this);
+
+ res = mSensor->startUp();
+ if (res != NO_ERROR) return res;
+
+ mReadoutThread = new ReadoutThread(this);
+ mJpegCompressor = new JpegCompressor();
+
+ res = mReadoutThread->run("EmuCam3::readoutThread");
+ if (res != NO_ERROR) return res;
+
+ // Initialize fake 3A
+
+ mControlMode = ANDROID_CONTROL_MODE_AUTO;
+ mFacePriority = false;
+ mAeMode = ANDROID_CONTROL_AE_MODE_ON;
+ mAfMode = ANDROID_CONTROL_AF_MODE_AUTO;
+ mAwbMode = ANDROID_CONTROL_AWB_MODE_AUTO;
+ mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE;
+ mAfState = ANDROID_CONTROL_AF_STATE_INACTIVE;
+ mAwbState = ANDROID_CONTROL_AWB_STATE_INACTIVE;
+ mAeCounter = 0;
+ mAeTargetExposureTime = kNormalExposureTime;
+ mAeCurrentExposureTime = kNormalExposureTime;
+ mAeCurrentSensitivity = kNormalSensitivity;
+
+ return EmulatedCamera3::connectCamera(device);
+}
+
+status_t EmulatedFakeCamera3::closeCamera() {
+ ALOGV("%s: E", __FUNCTION__);
+ status_t res;
+ {
+ Mutex::Autolock l(mLock);
+ if (mStatus == STATUS_CLOSED) return OK;
+
+ res = mSensor->shutDown();
+ if (res != NO_ERROR) {
+ ALOGE("%s: Unable to shut down sensor: %d", __FUNCTION__, res);
+ return res;
+ }
+ mSensor.clear();
+
+ mReadoutThread->requestExit();
+ }
+
+ mReadoutThread->join();
+
+ {
+ Mutex::Autolock l(mLock);
+ // Clear out private stream information
+ for (StreamIterator s = mStreams.begin(); s != mStreams.end(); s++) {
+ PrivateStreamInfo *privStream =
+ static_cast<PrivateStreamInfo*>((*s)->priv);
+ delete privStream;
+ (*s)->priv = NULL;
+ }
+ mStreams.clear();
+ mReadoutThread.clear();
+ }
+
+ return EmulatedCamera3::closeCamera();
+}
+
+status_t EmulatedFakeCamera3::getCameraInfo(struct camera_info *info) {
+ info->facing = mFacingBack ? CAMERA_FACING_BACK : CAMERA_FACING_FRONT;
+ info->orientation = gEmulatedCameraFactory.getFakeCameraOrientation();
+ return EmulatedCamera3::getCameraInfo(info);
+}
+
+/**
+ * Camera3 interface methods
+ */
+
+status_t EmulatedFakeCamera3::configureStreams(
+ camera3_stream_configuration *streamList) {
+ Mutex::Autolock l(mLock);
+ ALOGV("%s: %d streams", __FUNCTION__, streamList->num_streams);
+
+ if (mStatus != STATUS_OPEN && mStatus != STATUS_READY) {
+ ALOGE("%s: Cannot configure streams in state %d",
+ __FUNCTION__, mStatus);
+ return NO_INIT;
+ }
+
+ /**
+ * Sanity-check input list.
+ */
+ if (streamList == NULL) {
+ ALOGE("%s: NULL stream configuration", __FUNCTION__);
+ return BAD_VALUE;
+ }
+
+ if (streamList->streams == NULL) {
+ ALOGE("%s: NULL stream list", __FUNCTION__);
+ return BAD_VALUE;
+ }
+
+ if (streamList->num_streams < 1) {
+ ALOGE("%s: Bad number of streams requested: %d", __FUNCTION__,
+ streamList->num_streams);
+ return BAD_VALUE;
+ }
+
+ camera3_stream_t *inputStream = NULL;
+ for (size_t i = 0; i < streamList->num_streams; i++) {
+ camera3_stream_t *newStream = streamList->streams[i];
+
+ if (newStream == NULL) {
+ ALOGE("%s: Stream index %zu was NULL",
+ __FUNCTION__, i);
+ return BAD_VALUE;
+ }
+
+ ALOGV("%s: Stream %p (id %zu), type %d, usage 0x%x, format 0x%x",
+ __FUNCTION__, newStream, i, newStream->stream_type,
+ newStream->usage,
+ newStream->format);
+
+ if (newStream->stream_type == CAMERA3_STREAM_INPUT ||
+ newStream->stream_type == CAMERA3_STREAM_BIDIRECTIONAL) {
+ if (inputStream != NULL) {
+
+ ALOGE("%s: Multiple input streams requested!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+ inputStream = newStream;
+ }
+
+ bool validFormat = false;
+ for (size_t f = 0;
+ f < sizeof(kAvailableFormats)/sizeof(kAvailableFormats[0]);
+ f++) {
+ if (newStream->format == kAvailableFormats[f]) {
+ validFormat = true;
+ break;
+ }
+ }
+ if (!validFormat) {
+ ALOGE("%s: Unsupported stream format 0x%x requested",
+ __FUNCTION__, newStream->format);
+ return BAD_VALUE;
+ }
+ }
+ mInputStream = inputStream;
+
+ /**
+ * Initially mark all existing streams as not alive
+ */
+ for (StreamIterator s = mStreams.begin(); s != mStreams.end(); ++s) {
+ PrivateStreamInfo *privStream =
+ static_cast<PrivateStreamInfo*>((*s)->priv);
+ privStream->alive = false;
+ }
+
+ /**
+ * Find new streams and mark still-alive ones
+ */
+ for (size_t i = 0; i < streamList->num_streams; i++) {
+ camera3_stream_t *newStream = streamList->streams[i];
+ if (newStream->priv == NULL) {
+ // New stream, construct info
+ PrivateStreamInfo *privStream = new PrivateStreamInfo();
+ privStream->alive = true;
+
+ newStream->max_buffers = kMaxBufferCount;
+ newStream->priv = privStream;
+ mStreams.push_back(newStream);
+ } else {
+ // Existing stream, mark as still alive.
+ PrivateStreamInfo *privStream =
+ static_cast<PrivateStreamInfo*>(newStream->priv);
+ privStream->alive = true;
+ }
+ // Always update usage and max buffers
+ newStream->max_buffers = kMaxBufferCount;
+ switch (newStream->stream_type) {
+ case CAMERA3_STREAM_OUTPUT:
+ newStream->usage = GRALLOC_USAGE_HW_CAMERA_WRITE;
+ break;
+ case CAMERA3_STREAM_INPUT:
+ newStream->usage = GRALLOC_USAGE_HW_CAMERA_READ;
+ break;
+ case CAMERA3_STREAM_BIDIRECTIONAL:
+ newStream->usage = GRALLOC_USAGE_HW_CAMERA_READ |
+ GRALLOC_USAGE_HW_CAMERA_WRITE;
+ break;
+ }
+ }
+
+ /**
+ * Reap the dead streams
+ */
+ for (StreamIterator s = mStreams.begin(); s != mStreams.end();) {
+ PrivateStreamInfo *privStream =
+ static_cast<PrivateStreamInfo*>((*s)->priv);
+ if (!privStream->alive) {
+ (*s)->priv = NULL;
+ delete privStream;
+ s = mStreams.erase(s);
+ } else {
+ ++s;
+ }
+ }
+
+ /**
+ * Can't reuse settings across configure call
+ */
+ mPrevSettings.clear();
+
+ return OK;
+}
+
+status_t EmulatedFakeCamera3::registerStreamBuffers(
+ const camera3_stream_buffer_set *bufferSet) {
+ ALOGV("%s: E", __FUNCTION__);
+ Mutex::Autolock l(mLock);
+
+ // Should not be called in HAL versions >= 3.2
+
+ ALOGE("%s: Should not be invoked on new HALs!",
+ __FUNCTION__);
+ return NO_INIT;
+}
+
+const camera_metadata_t* EmulatedFakeCamera3::constructDefaultRequestSettings(
+ int type) {
+ ALOGV("%s: E", __FUNCTION__);
+ Mutex::Autolock l(mLock);
+
+ if (type < 0 || type >= CAMERA3_TEMPLATE_COUNT) {
+ ALOGE("%s: Unknown request settings template: %d",
+ __FUNCTION__, type);
+ return NULL;
+ }
+
+ if (!hasCapability(BACKWARD_COMPATIBLE) && type != CAMERA3_TEMPLATE_PREVIEW) {
+ ALOGE("%s: Template %d not supported w/o BACKWARD_COMPATIBLE capability",
+ __FUNCTION__, type);
+ return NULL;
+ }
+
+ /**
+ * Cache is not just an optimization - pointer returned has to live at
+ * least as long as the camera device instance does.
+ */
+ if (mDefaultTemplates[type] != NULL) {
+ return mDefaultTemplates[type];
+ }
+
+ CameraMetadata settings;
+
+ /** android.request */
+
+ static const uint8_t metadataMode = ANDROID_REQUEST_METADATA_MODE_FULL;
+ settings.update(ANDROID_REQUEST_METADATA_MODE, &metadataMode, 1);
+
+ static const int32_t id = 0;
+ settings.update(ANDROID_REQUEST_ID, &id, 1);
+
+ static const int32_t frameCount = 0;
+ settings.update(ANDROID_REQUEST_FRAME_COUNT, &frameCount, 1);
+
+ /** android.lens */
+
+ static const float focalLength = 5.0f;
+ settings.update(ANDROID_LENS_FOCAL_LENGTH, &focalLength, 1);
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const float focusDistance = 0;
+ settings.update(ANDROID_LENS_FOCUS_DISTANCE, &focusDistance, 1);
+
+ static const float aperture = 2.8f;
+ settings.update(ANDROID_LENS_APERTURE, &aperture, 1);
+
+ static const float filterDensity = 0;
+ settings.update(ANDROID_LENS_FILTER_DENSITY, &filterDensity, 1);
+
+ static const uint8_t opticalStabilizationMode =
+ ANDROID_LENS_OPTICAL_STABILIZATION_MODE_OFF;
+ settings.update(ANDROID_LENS_OPTICAL_STABILIZATION_MODE,
+ &opticalStabilizationMode, 1);
+
+ // FOCUS_RANGE set only in frame
+ }
+
+ /** android.sensor */
+
+ if (hasCapability(MANUAL_SENSOR)) {
+ static const int64_t exposureTime = 10 * MSEC;
+ settings.update(ANDROID_SENSOR_EXPOSURE_TIME, &exposureTime, 1);
+
+ static const int64_t frameDuration = 33333333L; // 1/30 s
+ settings.update(ANDROID_SENSOR_FRAME_DURATION, &frameDuration, 1);
+
+ static const int32_t sensitivity = 100;
+ settings.update(ANDROID_SENSOR_SENSITIVITY, &sensitivity, 1);
+ }
+
+ // TIMESTAMP set only in frame
+
+ /** android.flash */
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t flashMode = ANDROID_FLASH_MODE_OFF;
+ settings.update(ANDROID_FLASH_MODE, &flashMode, 1);
+
+ static const uint8_t flashPower = 10;
+ settings.update(ANDROID_FLASH_FIRING_POWER, &flashPower, 1);
+
+ static const int64_t firingTime = 0;
+ settings.update(ANDROID_FLASH_FIRING_TIME, &firingTime, 1);
+ }
+
+ /** Processing block modes */
+ if (hasCapability(MANUAL_POST_PROCESSING)) {
+ uint8_t hotPixelMode = 0;
+ uint8_t demosaicMode = 0;
+ uint8_t noiseMode = 0;
+ uint8_t shadingMode = 0;
+ uint8_t colorMode = 0;
+ uint8_t tonemapMode = 0;
+ uint8_t edgeMode = 0;
+ switch (type) {
+ case CAMERA3_TEMPLATE_STILL_CAPTURE:
+ // fall-through
+ case CAMERA3_TEMPLATE_VIDEO_SNAPSHOT:
+ // fall-through
+ case CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG:
+ hotPixelMode = ANDROID_HOT_PIXEL_MODE_HIGH_QUALITY;
+ demosaicMode = ANDROID_DEMOSAIC_MODE_HIGH_QUALITY;
+ noiseMode = ANDROID_NOISE_REDUCTION_MODE_HIGH_QUALITY;
+ shadingMode = ANDROID_SHADING_MODE_HIGH_QUALITY;
+ colorMode = ANDROID_COLOR_CORRECTION_MODE_HIGH_QUALITY;
+ tonemapMode = ANDROID_TONEMAP_MODE_HIGH_QUALITY;
+ edgeMode = ANDROID_EDGE_MODE_HIGH_QUALITY;
+ break;
+ case CAMERA3_TEMPLATE_PREVIEW:
+ // fall-through
+ case CAMERA3_TEMPLATE_VIDEO_RECORD:
+ // fall-through
+ default:
+ hotPixelMode = ANDROID_HOT_PIXEL_MODE_FAST;
+ demosaicMode = ANDROID_DEMOSAIC_MODE_FAST;
+ noiseMode = ANDROID_NOISE_REDUCTION_MODE_FAST;
+ shadingMode = ANDROID_SHADING_MODE_FAST;
+ colorMode = ANDROID_COLOR_CORRECTION_MODE_FAST;
+ tonemapMode = ANDROID_TONEMAP_MODE_FAST;
+ edgeMode = ANDROID_EDGE_MODE_FAST;
+ break;
+ }
+ settings.update(ANDROID_HOT_PIXEL_MODE, &hotPixelMode, 1);
+ settings.update(ANDROID_DEMOSAIC_MODE, &demosaicMode, 1);
+ settings.update(ANDROID_NOISE_REDUCTION_MODE, &noiseMode, 1);
+ settings.update(ANDROID_SHADING_MODE, &shadingMode, 1);
+ settings.update(ANDROID_COLOR_CORRECTION_MODE, &colorMode, 1);
+ settings.update(ANDROID_TONEMAP_MODE, &tonemapMode, 1);
+ settings.update(ANDROID_EDGE_MODE, &edgeMode, 1);
+ }
+
+ /** android.colorCorrection */
+
+ if (hasCapability(MANUAL_POST_PROCESSING)) {
+ static const camera_metadata_rational colorTransform[9] = {
+ {1,1}, {0,1}, {0,1},
+ {0,1}, {1,1}, {0,1},
+ {0,1}, {0,1}, {1,1}
+ };
+ settings.update(ANDROID_COLOR_CORRECTION_TRANSFORM, colorTransform, 9);
+
+ static const float colorGains[4] = {
+ 1.0f, 1.0f, 1.0f, 1.0f
+ };
+ settings.update(ANDROID_COLOR_CORRECTION_GAINS, colorGains, 4);
+ }
+
+ /** android.tonemap */
+
+ if (hasCapability(MANUAL_POST_PROCESSING)) {
+ static const float tonemapCurve[4] = {
+ 0.f, 0.f,
+ 1.f, 1.f
+ };
+ settings.update(ANDROID_TONEMAP_CURVE_RED, tonemapCurve, 4);
+ settings.update(ANDROID_TONEMAP_CURVE_GREEN, tonemapCurve, 4);
+ settings.update(ANDROID_TONEMAP_CURVE_BLUE, tonemapCurve, 4);
+ }
+
+ /** android.scaler */
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const int32_t cropRegion[4] = {
+ 0, 0, (int32_t)Sensor::kResolution[0], (int32_t)Sensor::kResolution[1]
+ };
+ settings.update(ANDROID_SCALER_CROP_REGION, cropRegion, 4);
+ }
+
+ /** android.jpeg */
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t jpegQuality = 80;
+ settings.update(ANDROID_JPEG_QUALITY, &jpegQuality, 1);
+
+ static const int32_t thumbnailSize[2] = {
+ 640, 480
+ };
+ settings.update(ANDROID_JPEG_THUMBNAIL_SIZE, thumbnailSize, 2);
+
+ static const uint8_t thumbnailQuality = 80;
+ settings.update(ANDROID_JPEG_THUMBNAIL_QUALITY, &thumbnailQuality, 1);
+
+ static const double gpsCoordinates[2] = {
+ 0, 0
+ };
+ settings.update(ANDROID_JPEG_GPS_COORDINATES, gpsCoordinates, 2);
+
+ static const uint8_t gpsProcessingMethod[32] = "None";
+ settings.update(ANDROID_JPEG_GPS_PROCESSING_METHOD, gpsProcessingMethod, 32);
+
+ static const int64_t gpsTimestamp = 0;
+ settings.update(ANDROID_JPEG_GPS_TIMESTAMP, &gpsTimestamp, 1);
+
+ static const int32_t jpegOrientation = 0;
+ settings.update(ANDROID_JPEG_ORIENTATION, &jpegOrientation, 1);
+ }
+
+ /** android.stats */
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t faceDetectMode =
+ ANDROID_STATISTICS_FACE_DETECT_MODE_OFF;
+ settings.update(ANDROID_STATISTICS_FACE_DETECT_MODE, &faceDetectMode, 1);
+
+ static const uint8_t hotPixelMapMode =
+ ANDROID_STATISTICS_HOT_PIXEL_MAP_MODE_OFF;
+ settings.update(ANDROID_STATISTICS_HOT_PIXEL_MAP_MODE, &hotPixelMapMode, 1);
+ }
+
+ // faceRectangles, faceScores, faceLandmarks, faceIds, histogram,
+ // sharpnessMap only in frames
+
+ /** android.control */
+
+ uint8_t controlIntent = 0;
+ switch (type) {
+ case CAMERA3_TEMPLATE_PREVIEW:
+ controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_PREVIEW;
+ break;
+ case CAMERA3_TEMPLATE_STILL_CAPTURE:
+ controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_STILL_CAPTURE;
+ break;
+ case CAMERA3_TEMPLATE_VIDEO_RECORD:
+ controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_VIDEO_RECORD;
+ break;
+ case CAMERA3_TEMPLATE_VIDEO_SNAPSHOT:
+ controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_VIDEO_SNAPSHOT;
+ break;
+ case CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG:
+ controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_ZERO_SHUTTER_LAG;
+ break;
+ case CAMERA3_TEMPLATE_MANUAL:
+ controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_MANUAL;
+ break;
+ default:
+ controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_CUSTOM;
+ break;
+ }
+ settings.update(ANDROID_CONTROL_CAPTURE_INTENT, &controlIntent, 1);
+
+ const uint8_t controlMode = (type == CAMERA3_TEMPLATE_MANUAL) ?
+ ANDROID_CONTROL_MODE_OFF :
+ ANDROID_CONTROL_MODE_AUTO;
+ settings.update(ANDROID_CONTROL_MODE, &controlMode, 1);
+
+ int32_t aeTargetFpsRange[2] = {
+ 5, 30
+ };
+ if (type == CAMERA3_TEMPLATE_VIDEO_RECORD || type == CAMERA3_TEMPLATE_VIDEO_SNAPSHOT) {
+ aeTargetFpsRange[0] = 30;
+ }
+ settings.update(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, aeTargetFpsRange, 2);
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+
+ static const uint8_t effectMode = ANDROID_CONTROL_EFFECT_MODE_OFF;
+ settings.update(ANDROID_CONTROL_EFFECT_MODE, &effectMode, 1);
+
+ static const uint8_t sceneMode = ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY;
+ settings.update(ANDROID_CONTROL_SCENE_MODE, &sceneMode, 1);
+
+ const uint8_t aeMode = (type == CAMERA3_TEMPLATE_MANUAL) ?
+ ANDROID_CONTROL_AE_MODE_OFF :
+ ANDROID_CONTROL_AE_MODE_ON;
+ settings.update(ANDROID_CONTROL_AE_MODE, &aeMode, 1);
+
+ static const uint8_t aeLock = ANDROID_CONTROL_AE_LOCK_OFF;
+ settings.update(ANDROID_CONTROL_AE_LOCK, &aeLock, 1);
+
+ static const int32_t controlRegions[5] = {
+ 0, 0, 0, 0, 0
+ };
+ settings.update(ANDROID_CONTROL_AE_REGIONS, controlRegions, 5);
+
+ static const int32_t aeExpCompensation = 0;
+ settings.update(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, &aeExpCompensation, 1);
+
+
+ static const uint8_t aeAntibandingMode =
+ ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO;
+ settings.update(ANDROID_CONTROL_AE_ANTIBANDING_MODE, &aeAntibandingMode, 1);
+
+ static const uint8_t aePrecaptureTrigger = ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE;
+ settings.update(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, &aePrecaptureTrigger, 1);
+
+ const uint8_t awbMode = (type == CAMERA3_TEMPLATE_MANUAL) ?
+ ANDROID_CONTROL_AWB_MODE_OFF :
+ ANDROID_CONTROL_AWB_MODE_AUTO;
+ settings.update(ANDROID_CONTROL_AWB_MODE, &awbMode, 1);
+
+ static const uint8_t awbLock = ANDROID_CONTROL_AWB_LOCK_OFF;
+ settings.update(ANDROID_CONTROL_AWB_LOCK, &awbLock, 1);
+
+ uint8_t afMode = 0;
+ switch (type) {
+ case CAMERA3_TEMPLATE_PREVIEW:
+ afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE;
+ break;
+ case CAMERA3_TEMPLATE_STILL_CAPTURE:
+ afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE;
+ break;
+ case CAMERA3_TEMPLATE_VIDEO_RECORD:
+ afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO;
+ break;
+ case CAMERA3_TEMPLATE_VIDEO_SNAPSHOT:
+ afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO;
+ break;
+ case CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG:
+ afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE;
+ break;
+ case CAMERA3_TEMPLATE_MANUAL:
+ afMode = ANDROID_CONTROL_AF_MODE_OFF;
+ break;
+ default:
+ afMode = ANDROID_CONTROL_AF_MODE_AUTO;
+ break;
+ }
+ settings.update(ANDROID_CONTROL_AF_MODE, &afMode, 1);
+
+ settings.update(ANDROID_CONTROL_AF_REGIONS, controlRegions, 5);
+
+ static const uint8_t afTrigger = ANDROID_CONTROL_AF_TRIGGER_IDLE;
+ settings.update(ANDROID_CONTROL_AF_TRIGGER, &afTrigger, 1);
+
+ static const uint8_t vstabMode =
+ ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF;
+ settings.update(ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, &vstabMode, 1);
+
+ static const uint8_t blackLevelLock = ANDROID_BLACK_LEVEL_LOCK_OFF;
+ settings.update(ANDROID_BLACK_LEVEL_LOCK, &blackLevelLock, 1);
+
+ static const uint8_t lensShadingMapMode = ANDROID_STATISTICS_LENS_SHADING_MAP_MODE_OFF;
+ settings.update(ANDROID_STATISTICS_LENS_SHADING_MAP_MODE, &lensShadingMapMode, 1);
+
+ static const uint8_t aberrationMode = ANDROID_COLOR_CORRECTION_ABERRATION_MODE_FAST;
+ settings.update(ANDROID_COLOR_CORRECTION_ABERRATION_MODE, &aberrationMode, 1);
+
+ static const int32_t testPatternMode = ANDROID_SENSOR_TEST_PATTERN_MODE_OFF;
+ settings.update(ANDROID_SENSOR_TEST_PATTERN_MODE, &testPatternMode, 1);
+ }
+
+ mDefaultTemplates[type] = settings.release();
+
+ return mDefaultTemplates[type];
+}
+
+status_t EmulatedFakeCamera3::processCaptureRequest(
+ camera3_capture_request *request) {
+
+ Mutex::Autolock l(mLock);
+ status_t res;
+
+ /** Validation */
+
+ if (mStatus < STATUS_READY) {
+ ALOGE("%s: Can't submit capture requests in state %d", __FUNCTION__,
+ mStatus);
+ return INVALID_OPERATION;
+ }
+
+ if (request == NULL) {
+ ALOGE("%s: NULL request!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+
+ uint32_t frameNumber = request->frame_number;
+
+ if (request->settings == NULL && mPrevSettings.isEmpty()) {
+ ALOGE("%s: Request %d: NULL settings for first request after"
+ "configureStreams()", __FUNCTION__, frameNumber);
+ return BAD_VALUE;
+ }
+
+ if (request->input_buffer != NULL &&
+ request->input_buffer->stream != mInputStream) {
+ ALOGE("%s: Request %d: Input buffer not from input stream!",
+ __FUNCTION__, frameNumber);
+ ALOGV("%s: Bad stream %p, expected: %p",
+ __FUNCTION__, request->input_buffer->stream,
+ mInputStream);
+ ALOGV("%s: Bad stream type %d, expected stream type %d",
+ __FUNCTION__, request->input_buffer->stream->stream_type,
+ mInputStream ? mInputStream->stream_type : -1);
+
+ return BAD_VALUE;
+ }
+
+ if (request->num_output_buffers < 1 || request->output_buffers == NULL) {
+ ALOGE("%s: Request %d: No output buffers provided!",
+ __FUNCTION__, frameNumber);
+ return BAD_VALUE;
+ }
+
+ // Validate all buffers, starting with input buffer if it's given
+
+ ssize_t idx;
+ const camera3_stream_buffer_t *b;
+ if (request->input_buffer != NULL) {
+ idx = -1;
+ b = request->input_buffer;
+ } else {
+ idx = 0;
+ b = request->output_buffers;
+ }
+ do {
+ PrivateStreamInfo *priv =
+ static_cast<PrivateStreamInfo*>(b->stream->priv);
+ if (priv == NULL) {
+ ALOGE("%s: Request %d: Buffer %zu: Unconfigured stream!",
+ __FUNCTION__, frameNumber, idx);
+ return BAD_VALUE;
+ }
+ if (!priv->alive) {
+ ALOGE("%s: Request %d: Buffer %zu: Dead stream!",
+ __FUNCTION__, frameNumber, idx);
+ return BAD_VALUE;
+ }
+ if (b->status != CAMERA3_BUFFER_STATUS_OK) {
+ ALOGE("%s: Request %d: Buffer %zu: Status not OK!",
+ __FUNCTION__, frameNumber, idx);
+ return BAD_VALUE;
+ }
+ if (b->release_fence != -1) {
+ ALOGE("%s: Request %d: Buffer %zu: Has a release fence!",
+ __FUNCTION__, frameNumber, idx);
+ return BAD_VALUE;
+ }
+ if (b->buffer == NULL) {
+ ALOGE("%s: Request %d: Buffer %zu: NULL buffer handle!",
+ __FUNCTION__, frameNumber, idx);
+ return BAD_VALUE;
+ }
+ idx++;
+ b = &(request->output_buffers[idx]);
+ } while (idx < (ssize_t)request->num_output_buffers);
+
+ // TODO: Validate settings parameters
+
+ /**
+ * Start processing this request
+ */
+
+ mStatus = STATUS_ACTIVE;
+
+ CameraMetadata settings;
+
+ if (request->settings == NULL) {
+ settings.acquire(mPrevSettings);
+ } else {
+ settings = request->settings;
+ }
+
+ res = process3A(settings);
+ if (res != OK) {
+ return res;
+ }
+
+ // TODO: Handle reprocessing
+
+ /**
+ * Get ready for sensor config
+ */
+
+ nsecs_t exposureTime;
+ nsecs_t frameDuration;
+ uint32_t sensitivity;
+ bool needJpeg = false;
+ camera_metadata_entry_t entry;
+
+ entry = settings.find(ANDROID_SENSOR_EXPOSURE_TIME);
+ exposureTime = (entry.count > 0) ? entry.data.i64[0] : Sensor::kExposureTimeRange[0];
+ entry = settings.find(ANDROID_SENSOR_FRAME_DURATION);
+ frameDuration = (entry.count > 0)? entry.data.i64[0] : Sensor::kFrameDurationRange[0];
+ entry = settings.find(ANDROID_SENSOR_SENSITIVITY);
+ sensitivity = (entry.count > 0) ? entry.data.i32[0] : Sensor::kSensitivityRange[0];
+
+ if (exposureTime > frameDuration) {
+ frameDuration = exposureTime + Sensor::kMinVerticalBlank;
+ settings.update(ANDROID_SENSOR_FRAME_DURATION, &frameDuration, 1);
+ }
+
+ Buffers *sensorBuffers = new Buffers();
+ HalBufferVector *buffers = new HalBufferVector();
+
+ sensorBuffers->setCapacity(request->num_output_buffers);
+ buffers->setCapacity(request->num_output_buffers);
+
+ // Process all the buffers we got for output, constructing internal buffer
+ // structures for them, and lock them for writing.
+ for (size_t i = 0; i < request->num_output_buffers; i++) {
+ const camera3_stream_buffer &srcBuf = request->output_buffers[i];
+ const cb_handle_t *privBuffer =
+ static_cast<const cb_handle_t*>(*srcBuf.buffer);
+ StreamBuffer destBuf;
+ destBuf.streamId = kGenericStreamId;
+ destBuf.width = srcBuf.stream->width;
+ destBuf.height = srcBuf.stream->height;
+ destBuf.format = privBuffer->format; // Use real private format
+ destBuf.stride = srcBuf.stream->width; // TODO: query from gralloc
+ destBuf.dataSpace = srcBuf.stream->data_space;
+ destBuf.buffer = srcBuf.buffer;
+
+ if (destBuf.format == HAL_PIXEL_FORMAT_BLOB) {
+ needJpeg = true;
+ }
+
+ // Wait on fence
+ sp<Fence> bufferAcquireFence = new Fence(srcBuf.acquire_fence);
+ res = bufferAcquireFence->wait(kFenceTimeoutMs);
+ if (res == TIMED_OUT) {
+ ALOGE("%s: Request %d: Buffer %zu: Fence timed out after %d ms",
+ __FUNCTION__, frameNumber, i, kFenceTimeoutMs);
+ }
+ if (res == OK) {
+ // Lock buffer for writing
+ const Rect rect(destBuf.width, destBuf.height);
+ if (srcBuf.stream->format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
+ if (privBuffer->format == HAL_PIXEL_FORMAT_YCrCb_420_SP) {
+ android_ycbcr ycbcr = android_ycbcr();
+ res = GraphicBufferMapper::get().lockYCbCr(
+ *(destBuf.buffer),
+ GRALLOC_USAGE_HW_CAMERA_WRITE, rect,
+ &ycbcr);
+ // This is only valid because we know that emulator's
+ // YCbCr_420_888 is really contiguous NV21 under the hood
+ destBuf.img = static_cast<uint8_t*>(ycbcr.y);
+ } else {
+ ALOGE("Unexpected private format for flexible YUV: 0x%x",
+ privBuffer->format);
+ res = INVALID_OPERATION;
+ }
+ } else {
+ res = GraphicBufferMapper::get().lock(*(destBuf.buffer),
+ GRALLOC_USAGE_HW_CAMERA_WRITE, rect,
+ (void**)&(destBuf.img));
+ }
+ if (res != OK) {
+ ALOGE("%s: Request %d: Buffer %zu: Unable to lock buffer",
+ __FUNCTION__, frameNumber, i);
+ }
+ }
+
+ if (res != OK) {
+ // Either waiting or locking failed. Unlock locked buffers and bail
+ // out.
+ for (size_t j = 0; j < i; j++) {
+ GraphicBufferMapper::get().unlock(
+ *(request->output_buffers[i].buffer));
+ }
+ return NO_INIT;
+ }
+
+ sensorBuffers->push_back(destBuf);
+ buffers->push_back(srcBuf);
+ }
+
+ /**
+ * Wait for JPEG compressor to not be busy, if needed
+ */
+ if (needJpeg) {
+ bool ready = mJpegCompressor->waitForDone(kFenceTimeoutMs);
+ if (!ready) {
+ ALOGE("%s: Timeout waiting for JPEG compression to complete!",
+ __FUNCTION__);
+ return NO_INIT;
+ }
+ }
+
+ /**
+ * Wait until the in-flight queue has room
+ */
+ res = mReadoutThread->waitForReadout();
+ if (res != OK) {
+ ALOGE("%s: Timeout waiting for previous requests to complete!",
+ __FUNCTION__);
+ return NO_INIT;
+ }
+
+ /**
+ * Wait until sensor's ready. This waits for lengthy amounts of time with
+ * mLock held, but the interface spec is that no other calls may by done to
+ * the HAL by the framework while process_capture_request is happening.
+ */
+ int syncTimeoutCount = 0;
+ while(!mSensor->waitForVSync(kSyncWaitTimeout)) {
+ if (mStatus == STATUS_ERROR) {
+ return NO_INIT;
+ }
+ if (syncTimeoutCount == kMaxSyncTimeoutCount) {
+ ALOGE("%s: Request %d: Sensor sync timed out after %" PRId64 " ms",
+ __FUNCTION__, frameNumber,
+ kSyncWaitTimeout * kMaxSyncTimeoutCount / 1000000);
+ return NO_INIT;
+ }
+ syncTimeoutCount++;
+ }
+
+ /**
+ * Configure sensor and queue up the request to the readout thread
+ */
+ mSensor->setExposureTime(exposureTime);
+ mSensor->setFrameDuration(frameDuration);
+ mSensor->setSensitivity(sensitivity);
+ mSensor->setDestinationBuffers(sensorBuffers);
+ mSensor->setFrameNumber(request->frame_number);
+
+ ReadoutThread::Request r;
+ r.frameNumber = request->frame_number;
+ r.settings = settings;
+ r.sensorBuffers = sensorBuffers;
+ r.buffers = buffers;
+
+ mReadoutThread->queueCaptureRequest(r);
+ ALOGVV("%s: Queued frame %d", __FUNCTION__, request->frame_number);
+
+ // Cache the settings for next time
+ mPrevSettings.acquire(settings);
+
+ return OK;
+}
+
+status_t EmulatedFakeCamera3::flush() {
+ ALOGW("%s: Not implemented; ignored", __FUNCTION__);
+ return OK;
+}
+
+/** Debug methods */
+
+void EmulatedFakeCamera3::dump(int fd) {
+
+}
+
+/**
+ * Private methods
+ */
+
+status_t EmulatedFakeCamera3::getCameraCapabilities() {
+
+ const char *key = mFacingBack ? "qemu.sf.back_camera_caps" : "qemu.sf.front_camera_caps";
+
+ /* Defined by 'qemu.sf.*_camera_caps' boot property: if the
+ * property doesn't exist, it is assumed to list FULL. */
+ char prop[PROPERTY_VALUE_MAX];
+ if (property_get(key, prop, NULL) > 0) {
+ char *saveptr = nullptr;
+ char *cap = strtok_r(prop, " ,", &saveptr);
+ while (cap != NULL) {
+ for (int i = 0; i < NUM_CAPABILITIES; i++) {
+ if (!strcasecmp(cap, sAvailableCapabilitiesStrings[i])) {
+ mCapabilities.add(static_cast<AvailableCapabilities>(i));
+ break;
+ }
+ }
+ cap = strtok_r(NULL, " ,", &saveptr);
+ }
+ if (mCapabilities.size() == 0) {
+ ALOGE("qemu.sf.back_camera_caps had no valid capabilities: %s", prop);
+ }
+ }
+ // Default to FULL_LEVEL plus RAW if nothing is defined
+ if (mCapabilities.size() == 0) {
+ mCapabilities.add(FULL_LEVEL);
+ mCapabilities.add(RAW);
+ }
+
+ // Add level-based caps
+ if (hasCapability(FULL_LEVEL)) {
+ mCapabilities.add(BURST_CAPTURE);
+ mCapabilities.add(READ_SENSOR_SETTINGS);
+ mCapabilities.add(MANUAL_SENSOR);
+ mCapabilities.add(MANUAL_POST_PROCESSING);
+ };
+
+ // Backwards-compatible is required for most other caps
+ // Not required for DEPTH_OUTPUT, though.
+ if (hasCapability(BURST_CAPTURE) ||
+ hasCapability(READ_SENSOR_SETTINGS) ||
+ hasCapability(RAW) ||
+ hasCapability(MANUAL_SENSOR) ||
+ hasCapability(MANUAL_POST_PROCESSING) ||
+ hasCapability(PRIVATE_REPROCESSING) ||
+ hasCapability(YUV_REPROCESSING) ||
+ hasCapability(CONSTRAINED_HIGH_SPEED_VIDEO)) {
+ mCapabilities.add(BACKWARD_COMPATIBLE);
+ }
+
+ ALOGI("Camera %d capabilities:", mCameraID);
+ for (size_t i = 0; i < mCapabilities.size(); i++) {
+ ALOGI(" %s", sAvailableCapabilitiesStrings[mCapabilities[i]]);
+ }
+
+ return OK;
+}
+
+bool EmulatedFakeCamera3::hasCapability(AvailableCapabilities cap) {
+ ssize_t idx = mCapabilities.indexOf(cap);
+ return idx >= 0;
+}
+
+status_t EmulatedFakeCamera3::constructStaticInfo() {
+
+ CameraMetadata info;
+ Vector<int32_t> availableCharacteristicsKeys;
+ status_t res;
+
+#define ADD_STATIC_ENTRY(name, varptr, count) \
+ availableCharacteristicsKeys.add(name); \
+ res = info.update(name, varptr, count); \
+ if (res != OK) return res
+
+ // android.sensor
+
+ if (hasCapability(MANUAL_SENSOR)) {
+
+ ADD_STATIC_ENTRY(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE,
+ Sensor::kExposureTimeRange, 2);
+
+ ADD_STATIC_ENTRY(ANDROID_SENSOR_INFO_MAX_FRAME_DURATION,
+ &Sensor::kFrameDurationRange[1], 1);
+
+ ADD_STATIC_ENTRY(ANDROID_SENSOR_INFO_SENSITIVITY_RANGE,
+ Sensor::kSensitivityRange,
+ sizeof(Sensor::kSensitivityRange)
+ /sizeof(int32_t));
+
+ ADD_STATIC_ENTRY(ANDROID_SENSOR_MAX_ANALOG_SENSITIVITY,
+ &Sensor::kSensitivityRange[1], 1);
+ }
+
+ static const float sensorPhysicalSize[2] = {3.20f, 2.40f}; // mm
+ ADD_STATIC_ENTRY(ANDROID_SENSOR_INFO_PHYSICAL_SIZE,
+ sensorPhysicalSize, 2);
+
+ ADD_STATIC_ENTRY(ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE,
+ (int32_t*)Sensor::kResolution, 2);
+
+ ADD_STATIC_ENTRY(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE,
+ (int32_t*)Sensor::kActiveArray, 4);
+
+ static const int32_t orientation = 90; // Aligned with 'long edge'
+ ADD_STATIC_ENTRY(ANDROID_SENSOR_ORIENTATION, &orientation, 1);
+
+ static const uint8_t timestampSource = ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE_REALTIME;
+ ADD_STATIC_ENTRY(ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE, ×tampSource, 1);
+
+ if (hasCapability(RAW)) {
+ ADD_STATIC_ENTRY(ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT,
+ &Sensor::kColorFilterArrangement, 1);
+
+ ADD_STATIC_ENTRY(ANDROID_SENSOR_INFO_WHITE_LEVEL,
+ (int32_t*)&Sensor::kMaxRawValue, 1);
+
+ static const int32_t blackLevelPattern[4] = {
+ (int32_t)Sensor::kBlackLevel, (int32_t)Sensor::kBlackLevel,
+ (int32_t)Sensor::kBlackLevel, (int32_t)Sensor::kBlackLevel
+ };
+ ADD_STATIC_ENTRY(ANDROID_SENSOR_BLACK_LEVEL_PATTERN,
+ blackLevelPattern, sizeof(blackLevelPattern)/sizeof(int32_t));
+ }
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const int32_t availableTestPatternModes[] = {
+ ANDROID_SENSOR_TEST_PATTERN_MODE_OFF
+ };
+ ADD_STATIC_ENTRY(ANDROID_SENSOR_AVAILABLE_TEST_PATTERN_MODES,
+ availableTestPatternModes, sizeof(availableTestPatternModes)/sizeof(int32_t));
+ }
+
+ // android.lens
+
+ static const float focalLength = 3.30f; // mm
+ ADD_STATIC_ENTRY(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS,
+ &focalLength, 1);
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ // 5 cm min focus distance for back camera, infinity (fixed focus) for front
+ const float minFocusDistance = mFacingBack ? 1.0/0.05 : 0.0;
+ ADD_STATIC_ENTRY(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE,
+ &minFocusDistance, 1);
+
+ // 5 m hyperfocal distance for back camera, infinity (fixed focus) for front
+ const float hyperFocalDistance = mFacingBack ? 1.0/5.0 : 0.0;
+ ADD_STATIC_ENTRY(ANDROID_LENS_INFO_HYPERFOCAL_DISTANCE,
+ &minFocusDistance, 1);
+
+ static const float aperture = 2.8f;
+ ADD_STATIC_ENTRY(ANDROID_LENS_INFO_AVAILABLE_APERTURES,
+ &aperture, 1);
+ static const float filterDensity = 0;
+ ADD_STATIC_ENTRY(ANDROID_LENS_INFO_AVAILABLE_FILTER_DENSITIES,
+ &filterDensity, 1);
+ static const uint8_t availableOpticalStabilization =
+ ANDROID_LENS_OPTICAL_STABILIZATION_MODE_OFF;
+ ADD_STATIC_ENTRY(ANDROID_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION,
+ &availableOpticalStabilization, 1);
+
+ static const int32_t lensShadingMapSize[] = {1, 1};
+ ADD_STATIC_ENTRY(ANDROID_LENS_INFO_SHADING_MAP_SIZE, lensShadingMapSize,
+ sizeof(lensShadingMapSize)/sizeof(int32_t));
+
+ static const uint8_t lensFocusCalibration =
+ ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION_APPROXIMATE;
+ ADD_STATIC_ENTRY(ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION, &lensFocusCalibration, 1);
+ }
+
+ if (hasCapability(DEPTH_OUTPUT)) {
+ // These could be included for non-DEPTH capability as well, but making this variable for
+ // testing coverage
+
+ // 90 degree rotation to align with long edge of a phone device that's by default portrait
+ static const float qO[] = { 0.707107f, 0.f, 0.f, 0.707107f};
+
+ // Either a 180-degree rotation for back-facing, or no rotation for front-facing
+ const float qF[] = {0, (mFacingBack ? 1.f : 0.f), 0, (mFacingBack ? 0.f : 1.f)};
+
+ // Quarternion product, orientation change then facing
+ const float lensPoseRotation[] = {qO[0]*qF[0] - qO[1]*qF[1] - qO[2]*qF[2] - qO[3]*qF[3],
+ qO[0]*qF[1] + qO[1]*qF[0] + qO[2]*qF[3] - qO[3]*qF[2],
+ qO[0]*qF[2] + qO[2]*qF[0] + qO[1]*qF[3] - qO[3]*qF[1],
+ qO[0]*qF[3] + qO[3]*qF[0] + qO[1]*qF[2] - qO[2]*qF[1]};
+
+ ADD_STATIC_ENTRY(ANDROID_LENS_POSE_ROTATION, lensPoseRotation,
+ sizeof(lensPoseRotation)/sizeof(float));
+
+ // Only one camera facing each way, so 0 translation needed to the center of the 'main'
+ // camera
+ static const float lensPoseTranslation[] = {0.f, 0.f, 0.f};
+
+ ADD_STATIC_ENTRY(ANDROID_LENS_POSE_TRANSLATION, lensPoseTranslation,
+ sizeof(lensPoseTranslation)/sizeof(float));
+
+ // Intrinsics are 'ideal' (f_x, f_y, c_x, c_y, s) match focal length and active array size
+ float f_x = focalLength * Sensor::kActiveArray[2] / sensorPhysicalSize[0];
+ float f_y = focalLength * Sensor::kActiveArray[3] / sensorPhysicalSize[1];
+ float c_x = Sensor::kActiveArray[2] / 2.f;
+ float c_y = Sensor::kActiveArray[3] / 2.f;
+ float s = 0.f;
+ const float lensIntrinsics[] = { f_x, f_y, c_x, c_y, s };
+
+ ADD_STATIC_ENTRY(ANDROID_LENS_INTRINSIC_CALIBRATION, lensIntrinsics,
+ sizeof(lensIntrinsics)/sizeof(float));
+
+ // No radial or tangential distortion
+
+ float lensRadialDistortion[] = {1.0f, 0.f, 0.f, 0.f, 0.f, 0.f};
+
+ ADD_STATIC_ENTRY(ANDROID_LENS_RADIAL_DISTORTION, lensRadialDistortion,
+ sizeof(lensRadialDistortion)/sizeof(float));
+
+ }
+
+
+ static const uint8_t lensFacing = mFacingBack ?
+ ANDROID_LENS_FACING_BACK : ANDROID_LENS_FACING_FRONT;
+ ADD_STATIC_ENTRY(ANDROID_LENS_FACING, &lensFacing, 1);
+
+ // android.flash
+
+ static const uint8_t flashAvailable = 0;
+ ADD_STATIC_ENTRY(ANDROID_FLASH_INFO_AVAILABLE, &flashAvailable, 1);
+
+ // android.tonemap
+
+ if (hasCapability(MANUAL_POST_PROCESSING)) {
+ static const int32_t tonemapCurvePoints = 128;
+ ADD_STATIC_ENTRY(ANDROID_TONEMAP_MAX_CURVE_POINTS, &tonemapCurvePoints, 1);
+
+ static const uint8_t availableToneMapModes[] = {
+ ANDROID_TONEMAP_MODE_CONTRAST_CURVE, ANDROID_TONEMAP_MODE_FAST,
+ ANDROID_TONEMAP_MODE_HIGH_QUALITY
+ };
+ ADD_STATIC_ENTRY(ANDROID_TONEMAP_AVAILABLE_TONE_MAP_MODES, availableToneMapModes,
+ sizeof(availableToneMapModes));
+ }
+
+ // android.scaler
+
+ const std::vector<int32_t> availableStreamConfigurationsBasic = {
+ HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, 320, 240, ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT,
+ HAL_PIXEL_FORMAT_YCbCr_420_888, 320, 240, ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT,
+ HAL_PIXEL_FORMAT_RGBA_8888, 320, 240, ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT,
+ HAL_PIXEL_FORMAT_BLOB, 640, 480, ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT
+ };
+ const std::vector<int32_t> availableStreamConfigurationsRaw = {
+ HAL_PIXEL_FORMAT_RAW16, 640, 480, ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT
+ };
+ const std::vector<int32_t> availableStreamConfigurationsBurst = {
+ HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, 640, 480, ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT,
+ HAL_PIXEL_FORMAT_YCbCr_420_888, 640, 480, ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT,
+ HAL_PIXEL_FORMAT_RGBA_8888, 640, 480, ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT
+ };
+
+ std::vector<int32_t> availableStreamConfigurations;
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ availableStreamConfigurations.insert(availableStreamConfigurations.end(),
+ availableStreamConfigurationsBasic.begin(),
+ availableStreamConfigurationsBasic.end());
+ }
+ if (hasCapability(RAW)) {
+ availableStreamConfigurations.insert(availableStreamConfigurations.end(),
+ availableStreamConfigurationsRaw.begin(),
+ availableStreamConfigurationsRaw.end());
+ }
+ if (hasCapability(BURST_CAPTURE)) {
+ availableStreamConfigurations.insert(availableStreamConfigurations.end(),
+ availableStreamConfigurationsBurst.begin(),
+ availableStreamConfigurationsBurst.end());
+ }
+
+ if (availableStreamConfigurations.size() > 0) {
+ ADD_STATIC_ENTRY(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS,
+ &availableStreamConfigurations[0],
+ availableStreamConfigurations.size());
+ }
+
+ const std::vector<int64_t> availableMinFrameDurationsBasic = {
+ HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, 320, 240, Sensor::kFrameDurationRange[0],
+ HAL_PIXEL_FORMAT_YCbCr_420_888, 320, 240, Sensor::kFrameDurationRange[0],
+ HAL_PIXEL_FORMAT_RGBA_8888, 320, 240, Sensor::kFrameDurationRange[0],
+ HAL_PIXEL_FORMAT_BLOB, 640, 480, Sensor::kFrameDurationRange[0]
+ };
+ const std::vector<int64_t> availableMinFrameDurationsRaw = {
+ HAL_PIXEL_FORMAT_RAW16, 640, 480, Sensor::kFrameDurationRange[0]
+ };
+ const std::vector<int64_t> availableMinFrameDurationsBurst = {
+ HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, 640, 480, Sensor::kFrameDurationRange[0],
+ HAL_PIXEL_FORMAT_YCbCr_420_888, 640, 480, Sensor::kFrameDurationRange[0],
+ HAL_PIXEL_FORMAT_RGBA_8888, 640, 480, Sensor::kFrameDurationRange[0],
+ };
+
+ std::vector<int64_t> availableMinFrameDurations;
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ availableMinFrameDurations.insert(availableMinFrameDurations.end(),
+ availableMinFrameDurationsBasic.begin(),
+ availableMinFrameDurationsBasic.end());
+ }
+ if (hasCapability(RAW)) {
+ availableMinFrameDurations.insert(availableMinFrameDurations.end(),
+ availableMinFrameDurationsRaw.begin(),
+ availableMinFrameDurationsRaw.end());
+ }
+ if (hasCapability(BURST_CAPTURE)) {
+ availableMinFrameDurations.insert(availableMinFrameDurations.end(),
+ availableMinFrameDurationsBurst.begin(),
+ availableMinFrameDurationsBurst.end());
+ }
+
+ if (availableMinFrameDurations.size() > 0) {
+ ADD_STATIC_ENTRY(ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS,
+ &availableMinFrameDurations[0],
+ availableMinFrameDurations.size());
+ }
+
+ const std::vector<int64_t> availableStallDurationsBasic = {
+ HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, 320, 240, 0,
+ HAL_PIXEL_FORMAT_YCbCr_420_888, 320, 240, 0,
+ HAL_PIXEL_FORMAT_RGBA_8888, 320, 240, 0,
+ HAL_PIXEL_FORMAT_BLOB, 640, 480, Sensor::kFrameDurationRange[0]
+ };
+ const std::vector<int64_t> availableStallDurationsRaw = {
+ HAL_PIXEL_FORMAT_RAW16, 640, 480, Sensor::kFrameDurationRange[0]
+ };
+ const std::vector<int64_t> availableStallDurationsBurst = {
+ HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, 640, 480, 0,
+ HAL_PIXEL_FORMAT_YCbCr_420_888, 640, 480, 0,
+ HAL_PIXEL_FORMAT_RGBA_8888, 640, 480, 0
+ };
+
+ std::vector<int64_t> availableStallDurations;
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ availableStallDurations.insert(availableStallDurations.end(),
+ availableStallDurationsBasic.begin(),
+ availableStallDurationsBasic.end());
+ }
+ if (hasCapability(RAW)) {
+ availableStallDurations.insert(availableStallDurations.end(),
+ availableStallDurationsRaw.begin(),
+ availableStallDurationsRaw.end());
+ }
+ if (hasCapability(BURST_CAPTURE)) {
+ availableStallDurations.insert(availableStallDurations.end(),
+ availableStallDurationsBurst.begin(),
+ availableStallDurationsBurst.end());
+ }
+
+ if (availableStallDurations.size() > 0) {
+ ADD_STATIC_ENTRY(ANDROID_SCALER_AVAILABLE_STALL_DURATIONS,
+ &availableStallDurations[0],
+ availableStallDurations.size());
+ }
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t croppingType = ANDROID_SCALER_CROPPING_TYPE_FREEFORM;
+ ADD_STATIC_ENTRY(ANDROID_SCALER_CROPPING_TYPE,
+ &croppingType, 1);
+
+ static const float maxZoom = 10;
+ ADD_STATIC_ENTRY(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM,
+ &maxZoom, 1);
+ }
+
+ // android.jpeg
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const int32_t jpegThumbnailSizes[] = {
+ 0, 0,
+ 160, 120,
+ 320, 240
+ };
+ ADD_STATIC_ENTRY(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES,
+ jpegThumbnailSizes, sizeof(jpegThumbnailSizes)/sizeof(int32_t));
+
+ static const int32_t jpegMaxSize = JpegCompressor::kMaxJpegSize;
+ ADD_STATIC_ENTRY(ANDROID_JPEG_MAX_SIZE, &jpegMaxSize, 1);
+ }
+
+ // android.stats
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t availableFaceDetectModes[] = {
+ ANDROID_STATISTICS_FACE_DETECT_MODE_OFF,
+ ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE,
+ ANDROID_STATISTICS_FACE_DETECT_MODE_FULL
+ };
+ ADD_STATIC_ENTRY(ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES,
+ availableFaceDetectModes,
+ sizeof(availableFaceDetectModes));
+
+ static const int32_t maxFaceCount = 8;
+ ADD_STATIC_ENTRY(ANDROID_STATISTICS_INFO_MAX_FACE_COUNT,
+ &maxFaceCount, 1);
+
+
+ static const uint8_t availableShadingMapModes[] = {
+ ANDROID_STATISTICS_LENS_SHADING_MAP_MODE_OFF
+ };
+ ADD_STATIC_ENTRY(ANDROID_STATISTICS_INFO_AVAILABLE_LENS_SHADING_MAP_MODES,
+ availableShadingMapModes, sizeof(availableShadingMapModes));
+ }
+
+ // android.sync
+
+ static const int32_t maxLatency =
+ hasCapability(FULL_LEVEL) ? ANDROID_SYNC_MAX_LATENCY_PER_FRAME_CONTROL : 3;
+ ADD_STATIC_ENTRY(ANDROID_SYNC_MAX_LATENCY, &maxLatency, 1);
+
+ // android.control
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t availableControlModes[] = {
+ ANDROID_CONTROL_MODE_OFF, ANDROID_CONTROL_MODE_AUTO, ANDROID_CONTROL_MODE_USE_SCENE_MODE
+ };
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AVAILABLE_MODES,
+ availableControlModes, sizeof(availableControlModes));
+ } else {
+ static const uint8_t availableControlModes[] = {
+ ANDROID_CONTROL_MODE_AUTO
+ };
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AVAILABLE_MODES,
+ availableControlModes, sizeof(availableControlModes));
+ }
+
+ static const uint8_t availableSceneModes[] = {
+ hasCapability(BACKWARD_COMPATIBLE) ?
+ ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY :
+ ANDROID_CONTROL_SCENE_MODE_DISABLED
+ };
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AVAILABLE_SCENE_MODES,
+ availableSceneModes, sizeof(availableSceneModes));
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t availableEffects[] = {
+ ANDROID_CONTROL_EFFECT_MODE_OFF
+ };
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AVAILABLE_EFFECTS,
+ availableEffects, sizeof(availableEffects));
+ }
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const int32_t max3aRegions[] = {/*AE*/ 1,/*AWB*/ 0,/*AF*/ 1};
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_MAX_REGIONS,
+ max3aRegions, sizeof(max3aRegions)/sizeof(max3aRegions[0]));
+
+ static const uint8_t availableAeModes[] = {
+ ANDROID_CONTROL_AE_MODE_OFF,
+ ANDROID_CONTROL_AE_MODE_ON
+ };
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AE_AVAILABLE_MODES,
+ availableAeModes, sizeof(availableAeModes));
+
+ static const camera_metadata_rational exposureCompensationStep = {
+ 1, 3
+ };
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AE_COMPENSATION_STEP,
+ &exposureCompensationStep, 1);
+
+ int32_t exposureCompensationRange[] = {-9, 9};
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AE_COMPENSATION_RANGE,
+ exposureCompensationRange,
+ sizeof(exposureCompensationRange)/sizeof(int32_t));
+ }
+
+ static const int32_t availableTargetFpsRanges[] = {
+ 5, 30, 15, 30, 15, 15, 30, 30
+ };
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES,
+ availableTargetFpsRanges,
+ sizeof(availableTargetFpsRanges)/sizeof(int32_t));
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t availableAntibandingModes[] = {
+ ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF,
+ ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO
+ };
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES,
+ availableAntibandingModes, sizeof(availableAntibandingModes));
+ }
+
+ static const uint8_t aeLockAvailable = hasCapability(BACKWARD_COMPATIBLE) ?
+ ANDROID_CONTROL_AE_LOCK_AVAILABLE_TRUE : ANDROID_CONTROL_AE_LOCK_AVAILABLE_FALSE;
+
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AE_LOCK_AVAILABLE,
+ &aeLockAvailable, 1);
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t availableAwbModes[] = {
+ ANDROID_CONTROL_AWB_MODE_OFF,
+ ANDROID_CONTROL_AWB_MODE_AUTO,
+ ANDROID_CONTROL_AWB_MODE_INCANDESCENT,
+ ANDROID_CONTROL_AWB_MODE_FLUORESCENT,
+ ANDROID_CONTROL_AWB_MODE_DAYLIGHT,
+ ANDROID_CONTROL_AWB_MODE_SHADE
+ };
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AWB_AVAILABLE_MODES,
+ availableAwbModes, sizeof(availableAwbModes));
+ }
+
+ static const uint8_t awbLockAvailable = hasCapability(BACKWARD_COMPATIBLE) ?
+ ANDROID_CONTROL_AWB_LOCK_AVAILABLE_TRUE : ANDROID_CONTROL_AWB_LOCK_AVAILABLE_FALSE;
+
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AWB_LOCK_AVAILABLE,
+ &awbLockAvailable, 1);
+
+ static const uint8_t availableAfModesBack[] = {
+ ANDROID_CONTROL_AF_MODE_OFF,
+ ANDROID_CONTROL_AF_MODE_AUTO,
+ ANDROID_CONTROL_AF_MODE_MACRO,
+ ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO,
+ ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE
+ };
+
+ static const uint8_t availableAfModesFront[] = {
+ ANDROID_CONTROL_AF_MODE_OFF
+ };
+
+ if (mFacingBack && hasCapability(BACKWARD_COMPATIBLE)) {
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AF_AVAILABLE_MODES,
+ availableAfModesBack, sizeof(availableAfModesBack));
+ } else {
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AF_AVAILABLE_MODES,
+ availableAfModesFront, sizeof(availableAfModesFront));
+ }
+
+ static const uint8_t availableVstabModes[] = {
+ ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF
+ };
+ ADD_STATIC_ENTRY(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES,
+ availableVstabModes, sizeof(availableVstabModes));
+
+ // android.colorCorrection
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t availableAberrationModes[] = {
+ ANDROID_COLOR_CORRECTION_ABERRATION_MODE_OFF,
+ ANDROID_COLOR_CORRECTION_ABERRATION_MODE_FAST,
+ ANDROID_COLOR_CORRECTION_ABERRATION_MODE_HIGH_QUALITY
+ };
+ ADD_STATIC_ENTRY(ANDROID_COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES,
+ availableAberrationModes, sizeof(availableAberrationModes));
+ } else {
+ static const uint8_t availableAberrationModes[] = {
+ ANDROID_COLOR_CORRECTION_ABERRATION_MODE_OFF,
+ };
+ ADD_STATIC_ENTRY(ANDROID_COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES,
+ availableAberrationModes, sizeof(availableAberrationModes));
+ }
+ // android.edge
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t availableEdgeModes[] = {
+ ANDROID_EDGE_MODE_OFF, ANDROID_EDGE_MODE_FAST, ANDROID_EDGE_MODE_HIGH_QUALITY
+ };
+ ADD_STATIC_ENTRY(ANDROID_EDGE_AVAILABLE_EDGE_MODES,
+ availableEdgeModes, sizeof(availableEdgeModes));
+ } else {
+ static const uint8_t availableEdgeModes[] = {
+ ANDROID_EDGE_MODE_OFF
+ };
+ ADD_STATIC_ENTRY(ANDROID_EDGE_AVAILABLE_EDGE_MODES,
+ availableEdgeModes, sizeof(availableEdgeModes));
+ }
+
+ // android.info
+
+ static const uint8_t supportedHardwareLevel =
+ hasCapability(FULL_LEVEL) ? ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_FULL :
+ ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED;
+ ADD_STATIC_ENTRY(ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL,
+ &supportedHardwareLevel,
+ /*count*/1);
+
+ // android.noiseReduction
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t availableNoiseReductionModes[] = {
+ ANDROID_NOISE_REDUCTION_MODE_OFF,
+ ANDROID_NOISE_REDUCTION_MODE_FAST,
+ ANDROID_NOISE_REDUCTION_MODE_HIGH_QUALITY
+ };
+ ADD_STATIC_ENTRY(ANDROID_NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES,
+ availableNoiseReductionModes, sizeof(availableNoiseReductionModes));
+ } else {
+ static const uint8_t availableNoiseReductionModes[] = {
+ ANDROID_NOISE_REDUCTION_MODE_OFF,
+ };
+ ADD_STATIC_ENTRY(ANDROID_NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES,
+ availableNoiseReductionModes, sizeof(availableNoiseReductionModes));
+ }
+
+ // android.depth
+
+ if (hasCapability(DEPTH_OUTPUT)) {
+
+ static const int32_t maxDepthSamples = 100;
+ ADD_STATIC_ENTRY(ANDROID_DEPTH_MAX_DEPTH_SAMPLES,
+ &maxDepthSamples, 1);
+
+ static const int32_t availableDepthStreamConfigurations[] = {
+ HAL_PIXEL_FORMAT_Y16, 160, 120, ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS_OUTPUT,
+ HAL_PIXEL_FORMAT_BLOB, maxDepthSamples,1, ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS_OUTPUT
+ };
+ ADD_STATIC_ENTRY(ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS,
+ availableDepthStreamConfigurations,
+ sizeof(availableDepthStreamConfigurations)/sizeof(int32_t));
+
+ static const int64_t availableDepthMinFrameDurations[] = {
+ HAL_PIXEL_FORMAT_Y16, 160, 120, Sensor::kFrameDurationRange[0],
+ HAL_PIXEL_FORMAT_BLOB, maxDepthSamples,1, Sensor::kFrameDurationRange[0]
+ };
+ ADD_STATIC_ENTRY(ANDROID_DEPTH_AVAILABLE_DEPTH_MIN_FRAME_DURATIONS,
+ availableDepthMinFrameDurations,
+ sizeof(availableDepthMinFrameDurations)/sizeof(int64_t));
+
+ static const int64_t availableDepthStallDurations[] = {
+ HAL_PIXEL_FORMAT_Y16, 160, 120, Sensor::kFrameDurationRange[0],
+ HAL_PIXEL_FORMAT_BLOB, maxDepthSamples,1, Sensor::kFrameDurationRange[0]
+ };
+ ADD_STATIC_ENTRY(ANDROID_DEPTH_AVAILABLE_DEPTH_STALL_DURATIONS,
+ availableDepthStallDurations,
+ sizeof(availableDepthStallDurations)/sizeof(int64_t));
+
+ uint8_t depthIsExclusive = ANDROID_DEPTH_DEPTH_IS_EXCLUSIVE_FALSE;
+ ADD_STATIC_ENTRY(ANDROID_DEPTH_DEPTH_IS_EXCLUSIVE,
+ &depthIsExclusive, 1);
+ }
+
+ // android.shading
+
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t availableShadingModes[] = {
+ ANDROID_SHADING_MODE_OFF, ANDROID_SHADING_MODE_FAST, ANDROID_SHADING_MODE_HIGH_QUALITY
+ };
+ ADD_STATIC_ENTRY(ANDROID_SHADING_AVAILABLE_MODES, availableShadingModes,
+ sizeof(availableShadingModes));
+ } else {
+ static const uint8_t availableShadingModes[] = {
+ ANDROID_SHADING_MODE_OFF
+ };
+ ADD_STATIC_ENTRY(ANDROID_SHADING_AVAILABLE_MODES, availableShadingModes,
+ sizeof(availableShadingModes));
+ }
+
+ // android.request
+
+ static const int32_t maxNumOutputStreams[] = {
+ kMaxRawStreamCount, kMaxProcessedStreamCount, kMaxJpegStreamCount
+ };
+ ADD_STATIC_ENTRY(ANDROID_REQUEST_MAX_NUM_OUTPUT_STREAMS, maxNumOutputStreams, 3);
+
+ static const uint8_t maxPipelineDepth = kMaxBufferCount;
+ ADD_STATIC_ENTRY(ANDROID_REQUEST_PIPELINE_MAX_DEPTH, &maxPipelineDepth, 1);
+
+ static const int32_t partialResultCount = 1;
+ ADD_STATIC_ENTRY(ANDROID_REQUEST_PARTIAL_RESULT_COUNT,
+ &partialResultCount, /*count*/1);
+
+ SortedVector<uint8_t> caps;
+ for (size_t i = 0; i < mCapabilities.size(); i++) {
+ switch(mCapabilities[i]) {
+ case BACKWARD_COMPATIBLE:
+ caps.add(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE);
+ break;
+ case MANUAL_SENSOR:
+ caps.add(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_MANUAL_SENSOR);
+ break;
+ case MANUAL_POST_PROCESSING:
+ caps.add(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_MANUAL_POST_PROCESSING);
+ break;
+ case RAW:
+ caps.add(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_RAW);
+ break;
+ case PRIVATE_REPROCESSING:
+ caps.add(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_PRIVATE_REPROCESSING);
+ break;
+ case READ_SENSOR_SETTINGS:
+ caps.add(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_READ_SENSOR_SETTINGS);
+ break;
+ case BURST_CAPTURE:
+ caps.add(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_BURST_CAPTURE);
+ break;
+ case YUV_REPROCESSING:
+ caps.add(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_YUV_REPROCESSING);
+ break;
+ case DEPTH_OUTPUT:
+ caps.add(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT);
+ break;
+ case CONSTRAINED_HIGH_SPEED_VIDEO:
+ caps.add(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_CONSTRAINED_HIGH_SPEED_VIDEO);
+ break;
+ default:
+ // Ignore LEVELs
+ break;
+ }
+ }
+ ADD_STATIC_ENTRY(ANDROID_REQUEST_AVAILABLE_CAPABILITIES, caps.array(), caps.size());
+
+ // Scan a default request template for included request keys
+ Vector<int32_t> availableRequestKeys;
+ const camera_metadata_t *previewRequest =
+ constructDefaultRequestSettings(CAMERA3_TEMPLATE_PREVIEW);
+ for (size_t i = 0; i < get_camera_metadata_entry_count(previewRequest); i++) {
+ camera_metadata_ro_entry_t entry;
+ get_camera_metadata_ro_entry(previewRequest, i, &entry);
+ availableRequestKeys.add(entry.tag);
+ }
+ ADD_STATIC_ENTRY(ANDROID_REQUEST_AVAILABLE_REQUEST_KEYS, availableRequestKeys.array(),
+ availableRequestKeys.size());
+
+ // Add a few more result keys. Must be kept up to date with the various places that add these
+
+ Vector<int32_t> availableResultKeys(availableRequestKeys);
+ if (hasCapability(BACKWARD_COMPATIBLE)) {
+ availableResultKeys.add(ANDROID_CONTROL_AE_STATE);
+ availableResultKeys.add(ANDROID_CONTROL_AF_STATE);
+ availableResultKeys.add(ANDROID_CONTROL_AWB_STATE);
+ availableResultKeys.add(ANDROID_FLASH_STATE);
+ availableResultKeys.add(ANDROID_LENS_STATE);
+ availableResultKeys.add(ANDROID_LENS_FOCUS_RANGE);
+ availableResultKeys.add(ANDROID_SENSOR_ROLLING_SHUTTER_SKEW);
+ availableResultKeys.add(ANDROID_STATISTICS_SCENE_FLICKER);
+ }
+
+ if (hasCapability(DEPTH_OUTPUT)) {
+ availableResultKeys.add(ANDROID_LENS_POSE_ROTATION);
+ availableResultKeys.add(ANDROID_LENS_POSE_TRANSLATION);
+ availableResultKeys.add(ANDROID_LENS_INTRINSIC_CALIBRATION);
+ availableResultKeys.add(ANDROID_LENS_RADIAL_DISTORTION);
+ }
+
+ availableResultKeys.add(ANDROID_REQUEST_PIPELINE_DEPTH);
+ availableResultKeys.add(ANDROID_SENSOR_TIMESTAMP);
+
+ ADD_STATIC_ENTRY(ANDROID_REQUEST_AVAILABLE_RESULT_KEYS, availableResultKeys.array(),
+ availableResultKeys.size());
+
+ // Needs to be last, to collect all the keys set
+
+ availableCharacteristicsKeys.add(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS);
+ info.update(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS,
+ availableCharacteristicsKeys);
+
+ mCameraInfo = info.release();
+
+#undef ADD_STATIC_ENTRY
+ return OK;
+}
+
+status_t EmulatedFakeCamera3::process3A(CameraMetadata &settings) {
+ /**
+ * Extract top-level 3A controls
+ */
+ status_t res;
+
+ bool facePriority = false;
+
+ camera_metadata_entry e;
+
+ e = settings.find(ANDROID_CONTROL_MODE);
+ if (e.count == 0) {
+ ALOGE("%s: No control mode entry!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+ uint8_t controlMode = e.data.u8[0];
+
+ if (controlMode == ANDROID_CONTROL_MODE_OFF) {
+ mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE;
+ mAfState = ANDROID_CONTROL_AF_STATE_INACTIVE;
+ mAwbState = ANDROID_CONTROL_AWB_STATE_INACTIVE;
+ update3A(settings);
+ return OK;
+ } else if (controlMode == ANDROID_CONTROL_MODE_USE_SCENE_MODE) {
+ if (!hasCapability(BACKWARD_COMPATIBLE)) {
+ ALOGE("%s: Can't use scene mode when BACKWARD_COMPATIBLE not supported!",
+ __FUNCTION__);
+ return BAD_VALUE;
+ }
+
+ e = settings.find(ANDROID_CONTROL_SCENE_MODE);
+ if (e.count == 0) {
+ ALOGE("%s: No scene mode entry!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+ uint8_t sceneMode = e.data.u8[0];
+
+ switch(sceneMode) {
+ case ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY:
+ mFacePriority = true;
+ break;
+ default:
+ ALOGE("%s: Emulator doesn't support scene mode %d",
+ __FUNCTION__, sceneMode);
+ return BAD_VALUE;
+ }
+ } else {
+ mFacePriority = false;
+ }
+
+ // controlMode == AUTO or sceneMode = FACE_PRIORITY
+ // Process individual 3A controls
+
+ res = doFakeAE(settings);
+ if (res != OK) return res;
+
+ res = doFakeAF(settings);
+ if (res != OK) return res;
+
+ res = doFakeAWB(settings);
+ if (res != OK) return res;
+
+ update3A(settings);
+ return OK;
+}
+
+status_t EmulatedFakeCamera3::doFakeAE(CameraMetadata &settings) {
+ camera_metadata_entry e;
+
+ e = settings.find(ANDROID_CONTROL_AE_MODE);
+ if (e.count == 0 && hasCapability(BACKWARD_COMPATIBLE)) {
+ ALOGE("%s: No AE mode entry!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+ uint8_t aeMode = (e.count > 0) ? e.data.u8[0] : (uint8_t)ANDROID_CONTROL_AE_MODE_ON;
+
+ switch (aeMode) {
+ case ANDROID_CONTROL_AE_MODE_OFF:
+ // AE is OFF
+ mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE;
+ return OK;
+ case ANDROID_CONTROL_AE_MODE_ON:
+ // OK for AUTO modes
+ break;
+ default:
+ // Mostly silently ignore unsupported modes
+ ALOGV("%s: Emulator doesn't support AE mode %d, assuming ON",
+ __FUNCTION__, aeMode);
+ break;
+ }
+
+ e = settings.find(ANDROID_CONTROL_AE_LOCK);
+ bool aeLocked = (e.count > 0) ? (e.data.u8[0] == ANDROID_CONTROL_AE_LOCK_ON) : false;
+
+ e = settings.find(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER);
+ bool precaptureTrigger = false;
+ if (e.count != 0) {
+ precaptureTrigger =
+ (e.data.u8[0] == ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_START);
+ }
+
+ if (precaptureTrigger) {
+ ALOGV("%s: Pre capture trigger = %d", __FUNCTION__, precaptureTrigger);
+ } else if (e.count > 0) {
+ ALOGV("%s: Pre capture trigger was present? %zu",
+ __FUNCTION__,
+ e.count);
+ }
+
+ if (precaptureTrigger || mAeState == ANDROID_CONTROL_AE_STATE_PRECAPTURE) {
+ // Run precapture sequence
+ if (mAeState != ANDROID_CONTROL_AE_STATE_PRECAPTURE) {
+ mAeCounter = 0;
+ }
+
+ if (mFacePriority) {
+ mAeTargetExposureTime = kFacePriorityExposureTime;
+ } else {
+ mAeTargetExposureTime = kNormalExposureTime;
+ }
+
+ if (mAeCounter > kPrecaptureMinFrames &&
+ (mAeTargetExposureTime - mAeCurrentExposureTime) <
+ mAeTargetExposureTime / 10) {
+ // Done with precapture
+ mAeCounter = 0;
+ mAeState = aeLocked ? ANDROID_CONTROL_AE_STATE_LOCKED :
+ ANDROID_CONTROL_AE_STATE_CONVERGED;
+ } else {
+ // Converge some more
+ mAeCurrentExposureTime +=
+ (mAeTargetExposureTime - mAeCurrentExposureTime) *
+ kExposureTrackRate;
+ mAeCounter++;
+ mAeState = ANDROID_CONTROL_AE_STATE_PRECAPTURE;
+ }
+
+ } else if (!aeLocked) {
+ // Run standard occasional AE scan
+ switch (mAeState) {
+ case ANDROID_CONTROL_AE_STATE_CONVERGED:
+ case ANDROID_CONTROL_AE_STATE_INACTIVE:
+ mAeCounter++;
+ if (mAeCounter > kStableAeMaxFrames) {
+ mAeTargetExposureTime =
+ mFacePriority ? kFacePriorityExposureTime :
+ kNormalExposureTime;
+ float exposureStep = ((double)rand() / RAND_MAX) *
+ (kExposureWanderMax - kExposureWanderMin) +
+ kExposureWanderMin;
+ mAeTargetExposureTime *= std::pow(2, exposureStep);
+ mAeState = ANDROID_CONTROL_AE_STATE_SEARCHING;
+ }
+ break;
+ case ANDROID_CONTROL_AE_STATE_SEARCHING:
+ mAeCurrentExposureTime +=
+ (mAeTargetExposureTime - mAeCurrentExposureTime) *
+ kExposureTrackRate;
+ if (abs(mAeTargetExposureTime - mAeCurrentExposureTime) <
+ mAeTargetExposureTime / 10) {
+ // Close enough
+ mAeState = ANDROID_CONTROL_AE_STATE_CONVERGED;
+ mAeCounter = 0;
+ }
+ break;
+ case ANDROID_CONTROL_AE_STATE_LOCKED:
+ mAeState = ANDROID_CONTROL_AE_STATE_CONVERGED;
+ mAeCounter = 0;
+ break;
+ default:
+ ALOGE("%s: Emulator in unexpected AE state %d",
+ __FUNCTION__, mAeState);
+ return INVALID_OPERATION;
+ }
+ } else {
+ // AE is locked
+ mAeState = ANDROID_CONTROL_AE_STATE_LOCKED;
+ }
+
+ return OK;
+}
+
+status_t EmulatedFakeCamera3::doFakeAF(CameraMetadata &settings) {
+ camera_metadata_entry e;
+
+ e = settings.find(ANDROID_CONTROL_AF_MODE);
+ if (e.count == 0 && hasCapability(BACKWARD_COMPATIBLE)) {
+ ALOGE("%s: No AF mode entry!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+ uint8_t afMode = (e.count > 0) ? e.data.u8[0] : (uint8_t)ANDROID_CONTROL_AF_MODE_OFF;
+
+ e = settings.find(ANDROID_CONTROL_AF_TRIGGER);
+ typedef camera_metadata_enum_android_control_af_trigger af_trigger_t;
+ af_trigger_t afTrigger;
+ if (e.count != 0) {
+ afTrigger = static_cast<af_trigger_t>(e.data.u8[0]);
+
+ ALOGV("%s: AF trigger set to 0x%x", __FUNCTION__, afTrigger);
+ ALOGV("%s: AF mode is 0x%x", __FUNCTION__, afMode);
+ } else {
+ afTrigger = ANDROID_CONTROL_AF_TRIGGER_IDLE;
+ }
+
+ switch (afMode) {
+ case ANDROID_CONTROL_AF_MODE_OFF:
+ mAfState = ANDROID_CONTROL_AF_STATE_INACTIVE;
+ return OK;
+ case ANDROID_CONTROL_AF_MODE_AUTO:
+ case ANDROID_CONTROL_AF_MODE_MACRO:
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO:
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE:
+ if (!mFacingBack) {
+ ALOGE("%s: Front camera doesn't support AF mode %d",
+ __FUNCTION__, afMode);
+ return BAD_VALUE;
+ }
+ // OK, handle transitions lower on
+ break;
+ default:
+ ALOGE("%s: Emulator doesn't support AF mode %d",
+ __FUNCTION__, afMode);
+ return BAD_VALUE;
+ }
+
+ bool afModeChanged = mAfMode != afMode;
+ mAfMode = afMode;
+
+ /**
+ * Simulate AF triggers. Transition at most 1 state per frame.
+ * - Focusing always succeeds (goes into locked, or PASSIVE_SCAN).
+ */
+
+ bool afTriggerStart = false;
+ bool afTriggerCancel = false;
+ switch (afTrigger) {
+ case ANDROID_CONTROL_AF_TRIGGER_IDLE:
+ break;
+ case ANDROID_CONTROL_AF_TRIGGER_START:
+ afTriggerStart = true;
+ break;
+ case ANDROID_CONTROL_AF_TRIGGER_CANCEL:
+ afTriggerCancel = true;
+ // Cancel trigger always transitions into INACTIVE
+ mAfState = ANDROID_CONTROL_AF_STATE_INACTIVE;
+
+ ALOGV("%s: AF State transition to STATE_INACTIVE", __FUNCTION__);
+
+ // Stay in 'inactive' until at least next frame
+ return OK;
+ default:
+ ALOGE("%s: Unknown af trigger value %d", __FUNCTION__, afTrigger);
+ return BAD_VALUE;
+ }
+
+ // If we get down here, we're either in an autofocus mode
+ // or in a continuous focus mode (and no other modes)
+
+ int oldAfState = mAfState;
+ switch (mAfState) {
+ case ANDROID_CONTROL_AF_STATE_INACTIVE:
+ if (afTriggerStart) {
+ switch (afMode) {
+ case ANDROID_CONTROL_AF_MODE_AUTO:
+ // fall-through
+ case ANDROID_CONTROL_AF_MODE_MACRO:
+ mAfState = ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN;
+ break;
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO:
+ // fall-through
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE:
+ mAfState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED;
+ break;
+ }
+ } else {
+ // At least one frame stays in INACTIVE
+ if (!afModeChanged) {
+ switch (afMode) {
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO:
+ // fall-through
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE:
+ mAfState = ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN;
+ break;
+ }
+ }
+ }
+ break;
+ case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN:
+ /**
+ * When the AF trigger is activated, the algorithm should finish
+ * its PASSIVE_SCAN if active, and then transition into AF_FOCUSED
+ * or AF_NOT_FOCUSED as appropriate
+ */
+ if (afTriggerStart) {
+ // Randomly transition to focused or not focused
+ if (rand() % 3) {
+ mAfState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED;
+ } else {
+ mAfState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED;
+ }
+ }
+ /**
+ * When the AF trigger is not involved, the AF algorithm should
+ * start in INACTIVE state, and then transition into PASSIVE_SCAN
+ * and PASSIVE_FOCUSED states
+ */
+ else if (!afTriggerCancel) {
+ // Randomly transition to passive focus
+ if (rand() % 3 == 0) {
+ mAfState = ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED;
+ }
+ }
+
+ break;
+ case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED:
+ if (afTriggerStart) {
+ // Randomly transition to focused or not focused
+ if (rand() % 3) {
+ mAfState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED;
+ } else {
+ mAfState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED;
+ }
+ }
+ // TODO: initiate passive scan (PASSIVE_SCAN)
+ break;
+ case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN:
+ // Simulate AF sweep completing instantaneously
+
+ // Randomly transition to focused or not focused
+ if (rand() % 3) {
+ mAfState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED;
+ } else {
+ mAfState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED;
+ }
+ break;
+ case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED:
+ if (afTriggerStart) {
+ switch (afMode) {
+ case ANDROID_CONTROL_AF_MODE_AUTO:
+ // fall-through
+ case ANDROID_CONTROL_AF_MODE_MACRO:
+ mAfState = ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN;
+ break;
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO:
+ // fall-through
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE:
+ // continuous autofocus => trigger start has no effect
+ break;
+ }
+ }
+ break;
+ case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED:
+ if (afTriggerStart) {
+ switch (afMode) {
+ case ANDROID_CONTROL_AF_MODE_AUTO:
+ // fall-through
+ case ANDROID_CONTROL_AF_MODE_MACRO:
+ mAfState = ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN;
+ break;
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO:
+ // fall-through
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE:
+ // continuous autofocus => trigger start has no effect
+ break;
+ }
+ }
+ break;
+ default:
+ ALOGE("%s: Bad af state %d", __FUNCTION__, mAfState);
+ }
+
+ {
+ char afStateString[100] = {0,};
+ camera_metadata_enum_snprint(ANDROID_CONTROL_AF_STATE,
+ oldAfState,
+ afStateString,
+ sizeof(afStateString));
+
+ char afNewStateString[100] = {0,};
+ camera_metadata_enum_snprint(ANDROID_CONTROL_AF_STATE,
+ mAfState,
+ afNewStateString,
+ sizeof(afNewStateString));
+ ALOGVV("%s: AF state transitioned from %s to %s",
+ __FUNCTION__, afStateString, afNewStateString);
+ }
+
+
+ return OK;
+}
+
+status_t EmulatedFakeCamera3::doFakeAWB(CameraMetadata &settings) {
+ camera_metadata_entry e;
+
+ e = settings.find(ANDROID_CONTROL_AWB_MODE);
+ if (e.count == 0 && hasCapability(BACKWARD_COMPATIBLE)) {
+ ALOGE("%s: No AWB mode entry!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+ uint8_t awbMode = (e.count > 0) ? e.data.u8[0] : (uint8_t)ANDROID_CONTROL_AWB_MODE_AUTO;
+
+ // TODO: Add white balance simulation
+
+ switch (awbMode) {
+ case ANDROID_CONTROL_AWB_MODE_OFF:
+ mAwbState = ANDROID_CONTROL_AWB_STATE_INACTIVE;
+ return OK;
+ case ANDROID_CONTROL_AWB_MODE_AUTO:
+ case ANDROID_CONTROL_AWB_MODE_INCANDESCENT:
+ case ANDROID_CONTROL_AWB_MODE_FLUORESCENT:
+ case ANDROID_CONTROL_AWB_MODE_DAYLIGHT:
+ case ANDROID_CONTROL_AWB_MODE_SHADE:
+ // OK
+ break;
+ default:
+ ALOGE("%s: Emulator doesn't support AWB mode %d",
+ __FUNCTION__, awbMode);
+ return BAD_VALUE;
+ }
+
+ return OK;
+}
+
+
+void EmulatedFakeCamera3::update3A(CameraMetadata &settings) {
+ if (mAeMode != ANDROID_CONTROL_AE_MODE_OFF) {
+ settings.update(ANDROID_SENSOR_EXPOSURE_TIME,
+ &mAeCurrentExposureTime, 1);
+ settings.update(ANDROID_SENSOR_SENSITIVITY,
+ &mAeCurrentSensitivity, 1);
+ }
+
+ settings.update(ANDROID_CONTROL_AE_STATE,
+ &mAeState, 1);
+ settings.update(ANDROID_CONTROL_AF_STATE,
+ &mAfState, 1);
+ settings.update(ANDROID_CONTROL_AWB_STATE,
+ &mAwbState, 1);
+
+ uint8_t lensState;
+ switch (mAfState) {
+ case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN:
+ case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN:
+ lensState = ANDROID_LENS_STATE_MOVING;
+ break;
+ case ANDROID_CONTROL_AF_STATE_INACTIVE:
+ case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED:
+ case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED:
+ case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED:
+ case ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED:
+ default:
+ lensState = ANDROID_LENS_STATE_STATIONARY;
+ break;
+ }
+ settings.update(ANDROID_LENS_STATE, &lensState, 1);
+
+}
+
+void EmulatedFakeCamera3::signalReadoutIdle() {
+ Mutex::Autolock l(mLock);
+ // Need to chek isIdle again because waiting on mLock may have allowed
+ // something to be placed in the in-flight queue.
+ if (mStatus == STATUS_ACTIVE && mReadoutThread->isIdle()) {
+ ALOGV("Now idle");
+ mStatus = STATUS_READY;
+ }
+}
+
+void EmulatedFakeCamera3::onSensorEvent(uint32_t frameNumber, Event e,
+ nsecs_t timestamp) {
+ switch(e) {
+ case Sensor::SensorListener::EXPOSURE_START: {
+ ALOGVV("%s: Frame %d: Sensor started exposure at %lld",
+ __FUNCTION__, frameNumber, timestamp);
+ // Trigger shutter notify to framework
+ camera3_notify_msg_t msg;
+ msg.type = CAMERA3_MSG_SHUTTER;
+ msg.message.shutter.frame_number = frameNumber;
+ msg.message.shutter.timestamp = timestamp;
+ sendNotify(&msg);
+ break;
+ }
+ default:
+ ALOGW("%s: Unexpected sensor event %d at %" PRId64, __FUNCTION__,
+ e, timestamp);
+ break;
+ }
+}
+
+EmulatedFakeCamera3::ReadoutThread::ReadoutThread(EmulatedFakeCamera3 *parent) :
+ mParent(parent), mJpegWaiting(false) {
+}
+
+EmulatedFakeCamera3::ReadoutThread::~ReadoutThread() {
+ for (List<Request>::iterator i = mInFlightQueue.begin();
+ i != mInFlightQueue.end(); i++) {
+ delete i->buffers;
+ delete i->sensorBuffers;
+ }
+}
+
+void EmulatedFakeCamera3::ReadoutThread::queueCaptureRequest(const Request &r) {
+ Mutex::Autolock l(mLock);
+
+ mInFlightQueue.push_back(r);
+ mInFlightSignal.signal();
+}
+
+bool EmulatedFakeCamera3::ReadoutThread::isIdle() {
+ Mutex::Autolock l(mLock);
+ return mInFlightQueue.empty() && !mThreadActive;
+}
+
+status_t EmulatedFakeCamera3::ReadoutThread::waitForReadout() {
+ status_t res;
+ Mutex::Autolock l(mLock);
+ int loopCount = 0;
+ while (mInFlightQueue.size() >= kMaxQueueSize) {
+ res = mInFlightSignal.waitRelative(mLock, kWaitPerLoop);
+ if (res != OK && res != TIMED_OUT) {
+ ALOGE("%s: Error waiting for in-flight queue to shrink",
+ __FUNCTION__);
+ return INVALID_OPERATION;
+ }
+ if (loopCount == kMaxWaitLoops) {
+ ALOGE("%s: Timed out waiting for in-flight queue to shrink",
+ __FUNCTION__);
+ return TIMED_OUT;
+ }
+ loopCount++;
+ }
+ return OK;
+}
+
+bool EmulatedFakeCamera3::ReadoutThread::threadLoop() {
+ status_t res;
+
+ ALOGVV("%s: ReadoutThread waiting for request", __FUNCTION__);
+
+ // First wait for a request from the in-flight queue
+
+ if (mCurrentRequest.settings.isEmpty()) {
+ Mutex::Autolock l(mLock);
+ if (mInFlightQueue.empty()) {
+ res = mInFlightSignal.waitRelative(mLock, kWaitPerLoop);
+ if (res == TIMED_OUT) {
+ ALOGVV("%s: ReadoutThread: Timed out waiting for request",
+ __FUNCTION__);
+ return true;
+ } else if (res != NO_ERROR) {
+ ALOGE("%s: Error waiting for capture requests: %d",
+ __FUNCTION__, res);
+ return false;
+ }
+ }
+ mCurrentRequest.frameNumber = mInFlightQueue.begin()->frameNumber;
+ mCurrentRequest.settings.acquire(mInFlightQueue.begin()->settings);
+ mCurrentRequest.buffers = mInFlightQueue.begin()->buffers;
+ mCurrentRequest.sensorBuffers = mInFlightQueue.begin()->sensorBuffers;
+ mInFlightQueue.erase(mInFlightQueue.begin());
+ mInFlightSignal.signal();
+ mThreadActive = true;
+ ALOGVV("%s: Beginning readout of frame %d", __FUNCTION__,
+ mCurrentRequest.frameNumber);
+ }
+
+ // Then wait for it to be delivered from the sensor
+ ALOGVV("%s: ReadoutThread: Wait for frame to be delivered from sensor",
+ __FUNCTION__);
+
+ nsecs_t captureTime;
+ bool gotFrame =
+ mParent->mSensor->waitForNewFrame(kWaitPerLoop, &captureTime);
+ if (!gotFrame) {
+ ALOGVV("%s: ReadoutThread: Timed out waiting for sensor frame",
+ __FUNCTION__);
+ return true;
+ }
+
+ ALOGVV("Sensor done with readout for frame %d, captured at %lld ",
+ mCurrentRequest.frameNumber, captureTime);
+
+ // Check if we need to JPEG encode a buffer, and send it for async
+ // compression if so. Otherwise prepare the buffer for return.
+ bool needJpeg = false;
+ HalBufferVector::iterator buf = mCurrentRequest.buffers->begin();
+ while(buf != mCurrentRequest.buffers->end()) {
+ bool goodBuffer = true;
+ if ( buf->stream->format ==
+ HAL_PIXEL_FORMAT_BLOB && buf->stream->data_space != HAL_DATASPACE_DEPTH) {
+ Mutex::Autolock jl(mJpegLock);
+ if (mJpegWaiting) {
+ // This shouldn't happen, because processCaptureRequest should
+ // be stalling until JPEG compressor is free.
+ ALOGE("%s: Already processing a JPEG!", __FUNCTION__);
+ goodBuffer = false;
+ }
+ if (goodBuffer) {
+ // Compressor takes ownership of sensorBuffers here
+ res = mParent->mJpegCompressor->start(mCurrentRequest.sensorBuffers,
+ this);
+ goodBuffer = (res == OK);
+ }
+ if (goodBuffer) {
+ needJpeg = true;
+
+ mJpegHalBuffer = *buf;
+ mJpegFrameNumber = mCurrentRequest.frameNumber;
+ mJpegWaiting = true;
+
+ mCurrentRequest.sensorBuffers = NULL;
+ buf = mCurrentRequest.buffers->erase(buf);
+
+ continue;
+ }
+ ALOGE("%s: Error compressing output buffer: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ // fallthrough for cleanup
+ }
+ GraphicBufferMapper::get().unlock(*(buf->buffer));
+
+ buf->status = goodBuffer ? CAMERA3_BUFFER_STATUS_OK :
+ CAMERA3_BUFFER_STATUS_ERROR;
+ buf->acquire_fence = -1;
+ buf->release_fence = -1;
+
+ ++buf;
+ } // end while
+
+ // Construct result for all completed buffers and results
+
+ camera3_capture_result result;
+
+ if (mParent->hasCapability(BACKWARD_COMPATIBLE)) {
+ static const uint8_t sceneFlicker = ANDROID_STATISTICS_SCENE_FLICKER_NONE;
+ mCurrentRequest.settings.update(ANDROID_STATISTICS_SCENE_FLICKER,
+ &sceneFlicker, 1);
+
+ static const uint8_t flashState = ANDROID_FLASH_STATE_UNAVAILABLE;
+ mCurrentRequest.settings.update(ANDROID_FLASH_STATE,
+ &flashState, 1);
+
+ nsecs_t rollingShutterSkew = Sensor::kFrameDurationRange[0];
+ mCurrentRequest.settings.update(ANDROID_SENSOR_ROLLING_SHUTTER_SKEW,
+ &rollingShutterSkew, 1);
+
+ float focusRange[] = { 1.0f/5.0f, 0 }; // 5 m to infinity in focus
+ mCurrentRequest.settings.update(ANDROID_LENS_FOCUS_RANGE,
+ focusRange, sizeof(focusRange)/sizeof(float));
+ }
+
+ if (mParent->hasCapability(DEPTH_OUTPUT)) {
+ camera_metadata_entry_t entry;
+
+ find_camera_metadata_entry(mParent->mCameraInfo, ANDROID_LENS_POSE_TRANSLATION, &entry);
+ mCurrentRequest.settings.update(ANDROID_LENS_POSE_TRANSLATION,
+ entry.data.f, entry.count);
+
+ find_camera_metadata_entry(mParent->mCameraInfo, ANDROID_LENS_POSE_ROTATION, &entry);
+ mCurrentRequest.settings.update(ANDROID_LENS_POSE_ROTATION,
+ entry.data.f, entry.count);
+
+ find_camera_metadata_entry(mParent->mCameraInfo, ANDROID_LENS_INTRINSIC_CALIBRATION, &entry);
+ mCurrentRequest.settings.update(ANDROID_LENS_INTRINSIC_CALIBRATION,
+ entry.data.f, entry.count);
+
+ find_camera_metadata_entry(mParent->mCameraInfo, ANDROID_LENS_RADIAL_DISTORTION, &entry);
+ mCurrentRequest.settings.update(ANDROID_LENS_RADIAL_DISTORTION,
+ entry.data.f, entry.count);
+ }
+
+ mCurrentRequest.settings.update(ANDROID_SENSOR_TIMESTAMP,
+ &captureTime, 1);
+
+
+ // JPEGs take a stage longer
+ const uint8_t pipelineDepth = needJpeg ? kMaxBufferCount : kMaxBufferCount - 1;
+ mCurrentRequest.settings.update(ANDROID_REQUEST_PIPELINE_DEPTH,
+ &pipelineDepth, 1);
+
+ result.frame_number = mCurrentRequest.frameNumber;
+ result.result = mCurrentRequest.settings.getAndLock();
+ result.num_output_buffers = mCurrentRequest.buffers->size();
+ result.output_buffers = mCurrentRequest.buffers->array();
+ result.input_buffer = nullptr;
+ result.partial_result = 1;
+
+ // Go idle if queue is empty, before sending result
+ bool signalIdle = false;
+ {
+ Mutex::Autolock l(mLock);
+ if (mInFlightQueue.empty()) {
+ mThreadActive = false;
+ signalIdle = true;
+ }
+ }
+ if (signalIdle) mParent->signalReadoutIdle();
+
+ // Send it off to the framework
+ ALOGVV("%s: ReadoutThread: Send result to framework",
+ __FUNCTION__);
+ mParent->sendCaptureResult(&result);
+
+ // Clean up
+ mCurrentRequest.settings.unlock(result.result);
+
+ delete mCurrentRequest.buffers;
+ mCurrentRequest.buffers = NULL;
+ if (!needJpeg) {
+ delete mCurrentRequest.sensorBuffers;
+ mCurrentRequest.sensorBuffers = NULL;
+ }
+ mCurrentRequest.settings.clear();
+
+ return true;
+}
+
+void EmulatedFakeCamera3::ReadoutThread::onJpegDone(
+ const StreamBuffer &jpegBuffer, bool success) {
+ Mutex::Autolock jl(mJpegLock);
+
+ GraphicBufferMapper::get().unlock(*(jpegBuffer.buffer));
+
+ mJpegHalBuffer.status = success ?
+ CAMERA3_BUFFER_STATUS_OK : CAMERA3_BUFFER_STATUS_ERROR;
+ mJpegHalBuffer.acquire_fence = -1;
+ mJpegHalBuffer.release_fence = -1;
+ mJpegWaiting = false;
+
+ camera3_capture_result result;
+ result.frame_number = mJpegFrameNumber;
+ result.result = NULL;
+ result.num_output_buffers = 1;
+ result.output_buffers = &mJpegHalBuffer;
+
+ if (!success) {
+ ALOGE("%s: Compression failure, returning error state buffer to"
+ " framework", __FUNCTION__);
+ } else {
+ ALOGV("%s: Compression complete, returning buffer to framework",
+ __FUNCTION__);
+ }
+
+ mParent->sendCaptureResult(&result);
+}
+
+void EmulatedFakeCamera3::ReadoutThread::onJpegInputDone(
+ const StreamBuffer &inputBuffer) {
+ // Should never get here, since the input buffer has to be returned
+ // by end of processCaptureRequest
+ ALOGE("%s: Unexpected input buffer from JPEG compressor!", __FUNCTION__);
+}
+
+
+}; // namespace android
Code Review / iec.git / blobdiff