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Diffstat (limited to 'src/android/camera_capabilities.cpp')
| -rw-r--r-- | src/android/camera_capabilities.cpp | 1164 |
1 files changed, 1164 insertions, 0 deletions
diff --git a/src/android/camera_capabilities.cpp b/src/android/camera_capabilities.cpp new file mode 100644 index 00000000..00224a6d --- /dev/null +++ b/src/android/camera_capabilities.cpp @@ -0,0 +1,1164 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2021, Google Inc. + * + * camera_capabilities.cpp - Camera static properties manager + */ + +#include "camera_capabilities.h" + +#include <array> +#include <cmath> + +#include <hardware/camera3.h> + +#include <libcamera/control_ids.h> +#include <libcamera/controls.h> +#include <libcamera/property_ids.h> + +#include "libcamera/internal/formats.h" +#include "libcamera/internal/log.h" + +using namespace libcamera; + +LOG_DECLARE_CATEGORY(HAL) + +namespace { + +/* + * \var camera3Resolutions + * \brief The list of image resolutions defined as mandatory to be supported by + * the Android Camera3 specification + */ +const std::vector<Size> camera3Resolutions = { + { 320, 240 }, + { 640, 480 }, + { 1280, 720 }, + { 1920, 1080 } +}; + +/* + * \struct Camera3Format + * \brief Data associated with an Android format identifier + * \var libcameraFormats List of libcamera pixel formats compatible with the + * Android format + * \var name The human-readable representation of the Android format code + */ +struct Camera3Format { + std::vector<PixelFormat> libcameraFormats; + bool mandatory; + const char *name; +}; + +/* + * \var camera3FormatsMap + * \brief Associate Android format code with ancillary data + */ +const std::map<int, const Camera3Format> camera3FormatsMap = { + { + HAL_PIXEL_FORMAT_BLOB, { + { formats::MJPEG }, + true, + "BLOB" + } + }, { + HAL_PIXEL_FORMAT_YCbCr_420_888, { + { formats::NV12, formats::NV21 }, + true, + "YCbCr_420_888" + } + }, { + /* + * \todo Translate IMPLEMENTATION_DEFINED inspecting the gralloc + * usage flag. For now, copy the YCbCr_420 configuration. + */ + HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, { + { formats::NV12, formats::NV21 }, + true, + "IMPLEMENTATION_DEFINED" + } + }, { + HAL_PIXEL_FORMAT_RAW10, { + { + formats::SBGGR10_CSI2P, + formats::SGBRG10_CSI2P, + formats::SGRBG10_CSI2P, + formats::SRGGB10_CSI2P + }, + false, + "RAW10" + } + }, { + HAL_PIXEL_FORMAT_RAW12, { + { + formats::SBGGR12_CSI2P, + formats::SGBRG12_CSI2P, + formats::SGRBG12_CSI2P, + formats::SRGGB12_CSI2P + }, + false, + "RAW12" + } + }, { + HAL_PIXEL_FORMAT_RAW16, { + { + formats::SBGGR16, + formats::SGBRG16, + formats::SGRBG16, + formats::SRGGB16 + }, + false, + "RAW16" + } + }, +}; + +} /* namespace */ + +int CameraCapabilities::initialize(std::shared_ptr<libcamera::Camera> camera, + int orientation, int facing) +{ + camera_ = camera; + orientation_ = orientation; + facing_ = facing; + + /* Acquire the camera and initialize available stream configurations. */ + int ret = camera_->acquire(); + if (ret) { + LOG(HAL, Error) << "Failed to temporarily acquire the camera"; + return ret; + } + + ret = initializeStreamConfigurations(); + camera_->release(); + if (ret) + return ret; + + return initializeStaticMetadata(); +} + +std::vector<Size> CameraCapabilities::getYUVResolutions(CameraConfiguration *cameraConfig, + const PixelFormat &pixelFormat, + const std::vector<Size> &resolutions) +{ + std::vector<Size> supportedResolutions; + + StreamConfiguration &cfg = cameraConfig->at(0); + for (const Size &res : resolutions) { + cfg.pixelFormat = pixelFormat; + cfg.size = res; + + CameraConfiguration::Status status = cameraConfig->validate(); + if (status != CameraConfiguration::Valid) { + LOG(HAL, Debug) << cfg.toString() << " not supported"; + continue; + } + + LOG(HAL, Debug) << cfg.toString() << " supported"; + + supportedResolutions.push_back(res); + } + + return supportedResolutions; +} + +std::vector<Size> CameraCapabilities::getRawResolutions(const libcamera::PixelFormat &pixelFormat) +{ + std::unique_ptr<CameraConfiguration> cameraConfig = + camera_->generateConfiguration({ StreamRole::Raw }); + StreamConfiguration &cfg = cameraConfig->at(0); + const StreamFormats &formats = cfg.formats(); + std::vector<Size> supportedResolutions = formats.sizes(pixelFormat); + + return supportedResolutions; +} + +/* + * Initialize the format conversion map to translate from Android format + * identifier to libcamera pixel formats and fill in the list of supported + * stream configurations to be reported to the Android camera framework through + * the camera static metadata. + */ +int CameraCapabilities::initializeStreamConfigurations() +{ + /* + * Get the maximum output resolutions + * \todo Get this from the camera properties once defined + */ + std::unique_ptr<CameraConfiguration> cameraConfig = + camera_->generateConfiguration({ StillCapture }); + if (!cameraConfig) { + LOG(HAL, Error) << "Failed to get maximum resolution"; + return -EINVAL; + } + StreamConfiguration &cfg = cameraConfig->at(0); + + /* + * \todo JPEG - Adjust the maximum available resolution by taking the + * JPEG encoder requirements into account (alignment and aspect ratio). + */ + const Size maxRes = cfg.size; + LOG(HAL, Debug) << "Maximum supported resolution: " << maxRes.toString(); + + /* + * Build the list of supported image resolutions. + * + * The resolutions listed in camera3Resolution are mandatory to be + * supported, up to the camera maximum resolution. + * + * Augment the list by adding resolutions calculated from the camera + * maximum one. + */ + std::vector<Size> cameraResolutions; + std::copy_if(camera3Resolutions.begin(), camera3Resolutions.end(), + std::back_inserter(cameraResolutions), + [&](const Size &res) { return res < maxRes; }); + + /* + * The Camera3 specification suggests adding 1/2 and 1/4 of the maximum + * resolution. + */ + for (unsigned int divider = 2;; divider <<= 1) { + Size derivedSize{ + maxRes.width / divider, + maxRes.height / divider, + }; + + if (derivedSize.width < 320 || + derivedSize.height < 240) + break; + + cameraResolutions.push_back(derivedSize); + } + cameraResolutions.push_back(maxRes); + + /* Remove duplicated entries from the list of supported resolutions. */ + std::sort(cameraResolutions.begin(), cameraResolutions.end()); + auto last = std::unique(cameraResolutions.begin(), cameraResolutions.end()); + cameraResolutions.erase(last, cameraResolutions.end()); + + /* + * Build the list of supported camera formats. + * + * To each Android format a list of compatible libcamera formats is + * associated. The first libcamera format that tests successful is added + * to the format translation map used when configuring the streams. + * It is then tested against the list of supported camera resolutions to + * build the stream configuration map reported through the camera static + * metadata. + */ + Size maxJpegSize; + for (const auto &format : camera3FormatsMap) { + int androidFormat = format.first; + const Camera3Format &camera3Format = format.second; + const std::vector<PixelFormat> &libcameraFormats = + camera3Format.libcameraFormats; + + LOG(HAL, Debug) << "Trying to map Android format " + << camera3Format.name; + + /* + * JPEG is always supported, either produced directly by the + * camera, or encoded in the HAL. + */ + if (androidFormat == HAL_PIXEL_FORMAT_BLOB) { + formatsMap_[androidFormat] = formats::MJPEG; + LOG(HAL, Debug) << "Mapped Android format " + << camera3Format.name << " to " + << formats::MJPEG.toString() + << " (fixed mapping)"; + continue; + } + + /* + * Test the libcamera formats that can produce images + * compatible with the format defined by Android. + */ + PixelFormat mappedFormat; + for (const PixelFormat &pixelFormat : libcameraFormats) { + + LOG(HAL, Debug) << "Testing " << pixelFormat.toString(); + + /* + * The stream configuration size can be adjusted, + * not the pixel format. + * + * \todo This could be simplified once all pipeline + * handlers will report the StreamFormats list of + * supported formats. + */ + cfg.pixelFormat = pixelFormat; + + CameraConfiguration::Status status = cameraConfig->validate(); + if (status != CameraConfiguration::Invalid && + cfg.pixelFormat == pixelFormat) { + mappedFormat = pixelFormat; + break; + } + } + + if (!mappedFormat.isValid()) { + /* If the format is not mandatory, skip it. */ + if (!camera3Format.mandatory) + continue; + + LOG(HAL, Error) + << "Failed to map mandatory Android format " + << camera3Format.name << " (" + << utils::hex(androidFormat) << "): aborting"; + return -EINVAL; + } + + /* + * Record the mapping and then proceed to generate the + * stream configurations map, by testing the image resolutions. + */ + formatsMap_[androidFormat] = mappedFormat; + LOG(HAL, Debug) << "Mapped Android format " + << camera3Format.name << " to " + << mappedFormat.toString(); + + std::vector<Size> resolutions; + const PixelFormatInfo &info = PixelFormatInfo::info(mappedFormat); + if (info.colourEncoding == PixelFormatInfo::ColourEncodingRAW) + resolutions = getRawResolutions(mappedFormat); + else + resolutions = getYUVResolutions(cameraConfig.get(), + mappedFormat, + cameraResolutions); + + for (const Size &res : resolutions) { + streamConfigurations_.push_back({ res, androidFormat }); + + /* + * If the format is HAL_PIXEL_FORMAT_YCbCr_420_888 + * from which JPEG is produced, add an entry for + * the JPEG stream. + * + * \todo Wire the JPEG encoder to query the supported + * sizes provided a list of formats it can encode. + * + * \todo Support JPEG streams produced by the camera + * natively. + */ + if (androidFormat == HAL_PIXEL_FORMAT_YCbCr_420_888) { + streamConfigurations_.push_back( + { res, HAL_PIXEL_FORMAT_BLOB }); + maxJpegSize = std::max(maxJpegSize, res); + } + } + + /* + * \todo Calculate the maximum JPEG buffer size by asking the + * encoder giving the maximum frame size required. + */ + maxJpegBufferSize_ = maxJpegSize.width * maxJpegSize.height * 1.5; + } + + LOG(HAL, Debug) << "Collected stream configuration map: "; + for (const auto &entry : streamConfigurations_) + LOG(HAL, Debug) << "{ " << entry.resolution.toString() << " - " + << utils::hex(entry.androidFormat) << " }"; + + return 0; +} + +int CameraCapabilities::initializeStaticMetadata() +{ + staticMetadata_ = std::make_unique<CameraMetadata>(64, 1024); + if (!staticMetadata_->isValid()) { + LOG(HAL, Error) << "Failed to allocate static metadata"; + staticMetadata_.reset(); + return -EINVAL; + } + + const ControlInfoMap &controlsInfo = camera_->controls(); + const ControlList &properties = camera_->properties(); + + /* Color correction static metadata. */ + { + std::vector<uint8_t> data; + data.reserve(3); + const auto &infoMap = controlsInfo.find(&controls::draft::ColorCorrectionAberrationMode); + if (infoMap != controlsInfo.end()) { + for (const auto &value : infoMap->second.values()) + data.push_back(value.get<int32_t>()); + } else { + data.push_back(ANDROID_COLOR_CORRECTION_ABERRATION_MODE_OFF); + } + staticMetadata_->addEntry(ANDROID_COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES, + data); + } + + /* Control static metadata. */ + std::vector<uint8_t> aeAvailableAntiBandingModes = { + ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF, + ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ, + ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ, + ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO, + }; + staticMetadata_->addEntry(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES, + aeAvailableAntiBandingModes); + + std::vector<uint8_t> aeAvailableModes = { + ANDROID_CONTROL_AE_MODE_ON, + }; + staticMetadata_->addEntry(ANDROID_CONTROL_AE_AVAILABLE_MODES, + aeAvailableModes); + + int64_t minFrameDurationNsec = -1; + int64_t maxFrameDurationNsec = -1; + const auto frameDurationsInfo = controlsInfo.find(&controls::FrameDurationLimits); + if (frameDurationsInfo != controlsInfo.end()) { + minFrameDurationNsec = frameDurationsInfo->second.min().get<int64_t>() * 1000; + maxFrameDurationNsec = frameDurationsInfo->second.max().get<int64_t>() * 1000; + + /* + * Adjust the minimum frame duration to comply with Android + * requirements. The camera service mandates all preview/record + * streams to have a minimum frame duration < 33,366 milliseconds + * (see MAX_PREVIEW_RECORD_DURATION_NS in the camera service + * implementation). + * + * If we're close enough (+ 500 useconds) to that value, round + * the minimum frame duration of the camera to an accepted + * value. + */ + static constexpr int64_t MAX_PREVIEW_RECORD_DURATION_NS = 1e9 / 29.97; + if (minFrameDurationNsec > MAX_PREVIEW_RECORD_DURATION_NS && + minFrameDurationNsec < MAX_PREVIEW_RECORD_DURATION_NS + 500000) + minFrameDurationNsec = MAX_PREVIEW_RECORD_DURATION_NS - 1000; + + /* + * The AE routine frame rate limits are computed using the frame + * duration limits, as libcamera clips the AE routine to the + * frame durations. + */ + int32_t maxFps = std::round(1e9 / minFrameDurationNsec); + int32_t minFps = std::round(1e9 / maxFrameDurationNsec); + minFps = std::max(1, minFps); + + /* + * Force rounding errors so that we have the proper frame + * durations for when we reuse these variables later + */ + minFrameDurationNsec = 1e9 / maxFps; + maxFrameDurationNsec = 1e9 / minFps; + + /* + * Register to the camera service {min, max} and {max, max} + * intervals as requested by the metadata documentation. + */ + int32_t availableAeFpsTarget[] = { + minFps, maxFps, maxFps, maxFps + }; + staticMetadata_->addEntry(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, + availableAeFpsTarget); + } + + std::vector<int32_t> aeCompensationRange = { + 0, 0, + }; + staticMetadata_->addEntry(ANDROID_CONTROL_AE_COMPENSATION_RANGE, + aeCompensationRange); + + const camera_metadata_rational_t aeCompensationStep[] = { + { 0, 1 } + }; + staticMetadata_->addEntry(ANDROID_CONTROL_AE_COMPENSATION_STEP, + aeCompensationStep); + + std::vector<uint8_t> availableAfModes = { + ANDROID_CONTROL_AF_MODE_OFF, + }; + staticMetadata_->addEntry(ANDROID_CONTROL_AF_AVAILABLE_MODES, + availableAfModes); + + std::vector<uint8_t> availableEffects = { + ANDROID_CONTROL_EFFECT_MODE_OFF, + }; + staticMetadata_->addEntry(ANDROID_CONTROL_AVAILABLE_EFFECTS, + availableEffects); + + std::vector<uint8_t> availableSceneModes = { + ANDROID_CONTROL_SCENE_MODE_DISABLED, + }; + staticMetadata_->addEntry(ANDROID_CONTROL_AVAILABLE_SCENE_MODES, + availableSceneModes); + + std::vector<uint8_t> availableStabilizationModes = { + ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF, + }; + staticMetadata_->addEntry(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, + availableStabilizationModes); + + /* + * \todo Inspect the camera capabilities to report the available + * AWB modes. Default to AUTO as CTS tests require it. + */ + std::vector<uint8_t> availableAwbModes = { + ANDROID_CONTROL_AWB_MODE_AUTO, + }; + staticMetadata_->addEntry(ANDROID_CONTROL_AWB_AVAILABLE_MODES, + availableAwbModes); + + std::vector<int32_t> availableMaxRegions = { + 0, 0, 0, + }; + staticMetadata_->addEntry(ANDROID_CONTROL_MAX_REGIONS, + availableMaxRegions); + + std::vector<uint8_t> sceneModesOverride = { + ANDROID_CONTROL_AE_MODE_ON, + ANDROID_CONTROL_AWB_MODE_AUTO, + ANDROID_CONTROL_AF_MODE_OFF, + }; + staticMetadata_->addEntry(ANDROID_CONTROL_SCENE_MODE_OVERRIDES, + sceneModesOverride); + + uint8_t aeLockAvailable = ANDROID_CONTROL_AE_LOCK_AVAILABLE_FALSE; + staticMetadata_->addEntry(ANDROID_CONTROL_AE_LOCK_AVAILABLE, + aeLockAvailable); + + uint8_t awbLockAvailable = ANDROID_CONTROL_AWB_LOCK_AVAILABLE_FALSE; + staticMetadata_->addEntry(ANDROID_CONTROL_AWB_LOCK_AVAILABLE, + awbLockAvailable); + + char availableControlModes = ANDROID_CONTROL_MODE_AUTO; + staticMetadata_->addEntry(ANDROID_CONTROL_AVAILABLE_MODES, + availableControlModes); + + /* JPEG static metadata. */ + + /* + * Create the list of supported thumbnail sizes by inspecting the + * available JPEG resolutions collected in streamConfigurations_ and + * generate one entry for each aspect ratio. + * + * The JPEG thumbnailer can freely scale, so pick an arbitrary + * (160, 160) size as the bounding rectangle, which is then cropped to + * the different supported aspect ratios. + */ + constexpr Size maxJpegThumbnail(160, 160); + std::vector<Size> thumbnailSizes; + thumbnailSizes.push_back({ 0, 0 }); + for (const auto &entry : streamConfigurations_) { + if (entry.androidFormat != HAL_PIXEL_FORMAT_BLOB) + continue; + + Size thumbnailSize = maxJpegThumbnail + .boundedToAspectRatio({ entry.resolution.width, + entry.resolution.height }); + thumbnailSizes.push_back(thumbnailSize); + } + + std::sort(thumbnailSizes.begin(), thumbnailSizes.end()); + auto last = std::unique(thumbnailSizes.begin(), thumbnailSizes.end()); + thumbnailSizes.erase(last, thumbnailSizes.end()); + + /* Transform sizes in to a list of integers that can be consumed. */ + std::vector<int32_t> thumbnailEntries; + thumbnailEntries.reserve(thumbnailSizes.size() * 2); + for (const auto &size : thumbnailSizes) { + thumbnailEntries.push_back(size.width); + thumbnailEntries.push_back(size.height); + } + staticMetadata_->addEntry(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES, + thumbnailEntries); + + staticMetadata_->addEntry(ANDROID_JPEG_MAX_SIZE, maxJpegBufferSize_); + + /* Sensor static metadata. */ + std::array<int32_t, 2> pixelArraySize; + { + const Size &size = properties.get(properties::PixelArraySize); + pixelArraySize[0] = size.width; + pixelArraySize[1] = size.height; + staticMetadata_->addEntry(ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE, + pixelArraySize); + } + + if (properties.contains(properties::UnitCellSize)) { + const Size &cellSize = properties.get<Size>(properties::UnitCellSize); + std::array<float, 2> physicalSize{ + cellSize.width * pixelArraySize[0] / 1e6f, + cellSize.height * pixelArraySize[1] / 1e6f + }; + staticMetadata_->addEntry(ANDROID_SENSOR_INFO_PHYSICAL_SIZE, + physicalSize); + } + + { + const Span<const Rectangle> &rects = + properties.get(properties::PixelArrayActiveAreas); + std::vector<int32_t> data{ + static_cast<int32_t>(rects[0].x), + static_cast<int32_t>(rects[0].y), + static_cast<int32_t>(rects[0].width), + static_cast<int32_t>(rects[0].height), + }; + staticMetadata_->addEntry(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE, + data); + } + + int32_t sensitivityRange[] = { + 32, 2400, + }; + staticMetadata_->addEntry(ANDROID_SENSOR_INFO_SENSITIVITY_RANGE, + sensitivityRange); + + /* Report the color filter arrangement if the camera reports it. */ + if (properties.contains(properties::draft::ColorFilterArrangement)) { + uint8_t filterArr = properties.get(properties::draft::ColorFilterArrangement); + staticMetadata_->addEntry(ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT, + filterArr); + } + + const auto &exposureInfo = controlsInfo.find(&controls::ExposureTime); + if (exposureInfo != controlsInfo.end()) { + int64_t exposureTimeRange[2] = { + exposureInfo->second.min().get<int32_t>() * 1000LL, + exposureInfo->second.max().get<int32_t>() * 1000LL, + }; + staticMetadata_->addEntry(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE, + exposureTimeRange, 2); + } + + staticMetadata_->addEntry(ANDROID_SENSOR_ORIENTATION, orientation_); + + std::vector<int32_t> testPatternModes = { + ANDROID_SENSOR_TEST_PATTERN_MODE_OFF + }; + const auto &testPatternsInfo = + controlsInfo.find(&controls::draft::TestPatternMode); + if (testPatternsInfo != controlsInfo.end()) { + const auto &values = testPatternsInfo->second.values(); + ASSERT(!values.empty()); + for (const auto &value : values) { + switch (value.get<int32_t>()) { + case controls::draft::TestPatternModeOff: + /* + * ANDROID_SENSOR_TEST_PATTERN_MODE_OFF is + * already in testPatternModes. + */ + break; + + case controls::draft::TestPatternModeSolidColor: + testPatternModes.push_back( + ANDROID_SENSOR_TEST_PATTERN_MODE_SOLID_COLOR); + break; + + case controls::draft::TestPatternModeColorBars: + testPatternModes.push_back( + ANDROID_SENSOR_TEST_PATTERN_MODE_COLOR_BARS); + break; + + case controls::draft::TestPatternModeColorBarsFadeToGray: + testPatternModes.push_back( + ANDROID_SENSOR_TEST_PATTERN_MODE_COLOR_BARS_FADE_TO_GRAY); + break; + + case controls::draft::TestPatternModePn9: + testPatternModes.push_back( + ANDROID_SENSOR_TEST_PATTERN_MODE_PN9); + break; + + case controls::draft::TestPatternModeCustom1: + /* We don't support this yet. */ + break; + + default: + LOG(HAL, Error) << "Unknown test pattern mode: " + << value.get<int32_t>(); + continue; + } + } + } + staticMetadata_->addEntry(ANDROID_SENSOR_AVAILABLE_TEST_PATTERN_MODES, + testPatternModes); + + uint8_t timestampSource = ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE_UNKNOWN; + staticMetadata_->addEntry(ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE, + timestampSource); + + if (maxFrameDurationNsec > 0) + staticMetadata_->addEntry(ANDROID_SENSOR_INFO_MAX_FRAME_DURATION, + maxFrameDurationNsec); + + /* Statistics static metadata. */ + uint8_t faceDetectMode = ANDROID_STATISTICS_FACE_DETECT_MODE_OFF; + staticMetadata_->addEntry(ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES, + faceDetectMode); + + int32_t maxFaceCount = 0; + staticMetadata_->addEntry(ANDROID_STATISTICS_INFO_MAX_FACE_COUNT, + maxFaceCount); + + { + std::vector<uint8_t> data; + data.reserve(2); + const auto &infoMap = controlsInfo.find(&controls::draft::LensShadingMapMode); + if (infoMap != controlsInfo.end()) { + for (const auto &value : infoMap->second.values()) + data.push_back(value.get<int32_t>()); + } else { + data.push_back(ANDROID_STATISTICS_LENS_SHADING_MAP_MODE_OFF); + } + staticMetadata_->addEntry(ANDROID_STATISTICS_INFO_AVAILABLE_LENS_SHADING_MAP_MODES, + data); + } + + /* Sync static metadata. */ + int32_t maxLatency = ANDROID_SYNC_MAX_LATENCY_UNKNOWN; + staticMetadata_->addEntry(ANDROID_SYNC_MAX_LATENCY, maxLatency); + + /* Flash static metadata. */ + char flashAvailable = ANDROID_FLASH_INFO_AVAILABLE_FALSE; + staticMetadata_->addEntry(ANDROID_FLASH_INFO_AVAILABLE, + flashAvailable); + + /* Lens static metadata. */ + std::vector<float> lensApertures = { + 2.53 / 100, + }; + staticMetadata_->addEntry(ANDROID_LENS_INFO_AVAILABLE_APERTURES, + lensApertures); + + uint8_t lensFacing; + switch (facing_) { + default: + case CAMERA_FACING_FRONT: + lensFacing = ANDROID_LENS_FACING_FRONT; + break; + case CAMERA_FACING_BACK: + lensFacing = ANDROID_LENS_FACING_BACK; + break; + case CAMERA_FACING_EXTERNAL: + lensFacing = ANDROID_LENS_FACING_EXTERNAL; + break; + } + staticMetadata_->addEntry(ANDROID_LENS_FACING, lensFacing); + + std::vector<float> lensFocalLengths = { + 1, + }; + staticMetadata_->addEntry(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS, + lensFocalLengths); + + std::vector<uint8_t> opticalStabilizations = { + ANDROID_LENS_OPTICAL_STABILIZATION_MODE_OFF, + }; + staticMetadata_->addEntry(ANDROID_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION, + opticalStabilizations); + + float hypeFocalDistance = 0; + staticMetadata_->addEntry(ANDROID_LENS_INFO_HYPERFOCAL_DISTANCE, + hypeFocalDistance); + + float minFocusDistance = 0; + staticMetadata_->addEntry(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, + minFocusDistance); + + /* Noise reduction modes. */ + { + std::vector<uint8_t> data; + data.reserve(5); + const auto &infoMap = controlsInfo.find(&controls::draft::NoiseReductionMode); + if (infoMap != controlsInfo.end()) { + for (const auto &value : infoMap->second.values()) + data.push_back(value.get<int32_t>()); + } else { + data.push_back(ANDROID_NOISE_REDUCTION_MODE_OFF); + } + staticMetadata_->addEntry(ANDROID_NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES, + data); + } + + /* Scaler static metadata. */ + + /* + * \todo The digital zoom factor is a property that depends on the + * desired output configuration and the sensor frame size input to the + * ISP. This information is not available to the Android HAL, not at + * initialization time at least. + * + * As a workaround rely on pipeline handlers initializing the + * ScalerCrop control with the camera default configuration and use the + * maximum and minimum crop rectangles to calculate the digital zoom + * factor. + */ + float maxZoom = 1.0f; + const auto scalerCrop = controlsInfo.find(&controls::ScalerCrop); + if (scalerCrop != controlsInfo.end()) { + Rectangle min = scalerCrop->second.min().get<Rectangle>(); + Rectangle max = scalerCrop->second.max().get<Rectangle>(); + maxZoom = std::min(1.0f * max.width / min.width, + 1.0f * max.height / min.height); + } + staticMetadata_->addEntry(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM, + maxZoom); + + std::vector<uint32_t> availableStreamConfigurations; + availableStreamConfigurations.reserve(streamConfigurations_.size() * 4); + for (const auto &entry : streamConfigurations_) { + availableStreamConfigurations.push_back(entry.androidFormat); + availableStreamConfigurations.push_back(entry.resolution.width); + availableStreamConfigurations.push_back(entry.resolution.height); + availableStreamConfigurations.push_back( + ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT); + } + staticMetadata_->addEntry(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS, + availableStreamConfigurations); + + std::vector<int64_t> availableStallDurations = { + ANDROID_SCALER_AVAILABLE_FORMATS_BLOB, 2560, 1920, 33333333, + }; + staticMetadata_->addEntry(ANDROID_SCALER_AVAILABLE_STALL_DURATIONS, + availableStallDurations); + + /* Use the minimum frame duration for all the YUV/RGB formats. */ + if (minFrameDurationNsec > 0) { + std::vector<int64_t> minFrameDurations; + minFrameDurations.reserve(streamConfigurations_.size() * 4); + for (const auto &entry : streamConfigurations_) { + minFrameDurations.push_back(entry.androidFormat); + minFrameDurations.push_back(entry.resolution.width); + minFrameDurations.push_back(entry.resolution.height); + minFrameDurations.push_back(minFrameDurationNsec); + } + staticMetadata_->addEntry(ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS, + minFrameDurations); + } + + uint8_t croppingType = ANDROID_SCALER_CROPPING_TYPE_CENTER_ONLY; + staticMetadata_->addEntry(ANDROID_SCALER_CROPPING_TYPE, croppingType); + + /* Info static metadata. */ + uint8_t supportedHWLevel = ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED; + staticMetadata_->addEntry(ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL, + supportedHWLevel); + + /* Request static metadata. */ + int32_t partialResultCount = 1; + staticMetadata_->addEntry(ANDROID_REQUEST_PARTIAL_RESULT_COUNT, + partialResultCount); + + { + /* Default the value to 2 if not reported by the camera. */ + uint8_t maxPipelineDepth = 2; + const auto &infoMap = controlsInfo.find(&controls::draft::PipelineDepth); + if (infoMap != controlsInfo.end()) + maxPipelineDepth = infoMap->second.max().get<int32_t>(); + staticMetadata_->addEntry(ANDROID_REQUEST_PIPELINE_MAX_DEPTH, + maxPipelineDepth); + } + + /* LIMITED does not support reprocessing. */ + uint32_t maxNumInputStreams = 0; + staticMetadata_->addEntry(ANDROID_REQUEST_MAX_NUM_INPUT_STREAMS, + maxNumInputStreams); + + std::vector<uint8_t> availableCapabilities = { + ANDROID_REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE, + }; + + /* Report if camera supports RAW. */ + bool rawStreamAvailable = false; + std::unique_ptr<CameraConfiguration> cameraConfig = + camera_->generateConfiguration({ StreamRole::Raw }); + if (cameraConfig && !cameraConfig->empty()) { + const PixelFormatInfo &info = + PixelFormatInfo::info(cameraConfig->at(0).pixelFormat); + /* Only advertise RAW support if RAW16 is possible. */ + if (info.colourEncoding == PixelFormatInfo::ColourEncodingRAW && + info.bitsPerPixel == 16) { + rawStreamAvailable = true; + availableCapabilities.push_back(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_RAW); + } + } + + /* Number of { RAW, YUV, JPEG } supported output streams */ + int32_t numOutStreams[] = { rawStreamAvailable, 2, 1 }; + staticMetadata_->addEntry(ANDROID_REQUEST_MAX_NUM_OUTPUT_STREAMS, + numOutStreams); + + staticMetadata_->addEntry(ANDROID_REQUEST_AVAILABLE_CAPABILITIES, + availableCapabilities); + + std::vector<int32_t> availableCharacteristicsKeys = { + ANDROID_COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES, + ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES, + ANDROID_CONTROL_AE_AVAILABLE_MODES, + ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, + ANDROID_CONTROL_AE_COMPENSATION_RANGE, + ANDROID_CONTROL_AE_COMPENSATION_STEP, + ANDROID_CONTROL_AE_LOCK_AVAILABLE, + ANDROID_CONTROL_AF_AVAILABLE_MODES, + ANDROID_CONTROL_AVAILABLE_EFFECTS, + ANDROID_CONTROL_AVAILABLE_MODES, + ANDROID_CONTROL_AVAILABLE_SCENE_MODES, + ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, + ANDROID_CONTROL_AWB_AVAILABLE_MODES, + ANDROID_CONTROL_AWB_LOCK_AVAILABLE, + ANDROID_CONTROL_MAX_REGIONS, + ANDROID_CONTROL_SCENE_MODE_OVERRIDES, + ANDROID_FLASH_INFO_AVAILABLE, + ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL, + ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES, + ANDROID_JPEG_MAX_SIZE, + ANDROID_LENS_FACING, + ANDROID_LENS_INFO_AVAILABLE_APERTURES, + ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS, + ANDROID_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION, + ANDROID_LENS_INFO_HYPERFOCAL_DISTANCE, + ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE, + ANDROID_NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES, + ANDROID_REQUEST_AVAILABLE_CAPABILITIES, + ANDROID_REQUEST_MAX_NUM_INPUT_STREAMS, + ANDROID_REQUEST_MAX_NUM_OUTPUT_STREAMS, + ANDROID_REQUEST_PARTIAL_RESULT_COUNT, + ANDROID_REQUEST_PIPELINE_MAX_DEPTH, + ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM, + ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS, + ANDROID_SCALER_AVAILABLE_STALL_DURATIONS, + ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS, + ANDROID_SCALER_CROPPING_TYPE, + ANDROID_SENSOR_AVAILABLE_TEST_PATTERN_MODES, + ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE, + ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT, + ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE, + ANDROID_SENSOR_INFO_MAX_FRAME_DURATION, + ANDROID_SENSOR_INFO_PHYSICAL_SIZE, + ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE, + ANDROID_SENSOR_INFO_SENSITIVITY_RANGE, + ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE, + ANDROID_SENSOR_ORIENTATION, + ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES, + ANDROID_STATISTICS_INFO_MAX_FACE_COUNT, + ANDROID_SYNC_MAX_LATENCY, + }; + staticMetadata_->addEntry(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS, + availableCharacteristicsKeys); + + std::vector<int32_t> availableRequestKeys = { + ANDROID_COLOR_CORRECTION_ABERRATION_MODE, + ANDROID_CONTROL_AE_ANTIBANDING_MODE, + ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, + ANDROID_CONTROL_AE_LOCK, + ANDROID_CONTROL_AE_MODE, + ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, + ANDROID_CONTROL_AE_TARGET_FPS_RANGE, + ANDROID_CONTROL_AF_MODE, + ANDROID_CONTROL_AF_TRIGGER, + ANDROID_CONTROL_AWB_LOCK, + ANDROID_CONTROL_AWB_MODE, + ANDROID_CONTROL_CAPTURE_INTENT, + ANDROID_CONTROL_EFFECT_MODE, + ANDROID_CONTROL_MODE, + ANDROID_CONTROL_SCENE_MODE, + ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, + ANDROID_FLASH_MODE, + ANDROID_JPEG_ORIENTATION, + ANDROID_JPEG_QUALITY, + ANDROID_JPEG_THUMBNAIL_QUALITY, + ANDROID_JPEG_THUMBNAIL_SIZE, + ANDROID_LENS_APERTURE, + ANDROID_LENS_OPTICAL_STABILIZATION_MODE, + ANDROID_NOISE_REDUCTION_MODE, + ANDROID_SCALER_CROP_REGION, + ANDROID_STATISTICS_FACE_DETECT_MODE + }; + staticMetadata_->addEntry(ANDROID_REQUEST_AVAILABLE_REQUEST_KEYS, + availableRequestKeys); + + std::vector<int32_t> availableResultKeys = { + ANDROID_COLOR_CORRECTION_ABERRATION_MODE, + ANDROID_CONTROL_AE_ANTIBANDING_MODE, + ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, + ANDROID_CONTROL_AE_LOCK, + ANDROID_CONTROL_AE_MODE, + ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, + ANDROID_CONTROL_AE_STATE, + ANDROID_CONTROL_AE_TARGET_FPS_RANGE, + ANDROID_CONTROL_AF_MODE, + ANDROID_CONTROL_AF_STATE, + ANDROID_CONTROL_AF_TRIGGER, + ANDROID_CONTROL_AWB_LOCK, + ANDROID_CONTROL_AWB_MODE, + ANDROID_CONTROL_AWB_STATE, + ANDROID_CONTROL_CAPTURE_INTENT, + ANDROID_CONTROL_EFFECT_MODE, + ANDROID_CONTROL_MODE, + ANDROID_CONTROL_SCENE_MODE, + ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, + ANDROID_FLASH_MODE, + ANDROID_FLASH_STATE, + ANDROID_JPEG_GPS_COORDINATES, + ANDROID_JPEG_GPS_PROCESSING_METHOD, + ANDROID_JPEG_GPS_TIMESTAMP, + ANDROID_JPEG_ORIENTATION, + ANDROID_JPEG_QUALITY, + ANDROID_JPEG_SIZE, + ANDROID_JPEG_THUMBNAIL_QUALITY, + ANDROID_JPEG_THUMBNAIL_SIZE, + ANDROID_LENS_APERTURE, + ANDROID_LENS_FOCAL_LENGTH, + ANDROID_LENS_OPTICAL_STABILIZATION_MODE, + ANDROID_LENS_STATE, + ANDROID_NOISE_REDUCTION_MODE, + ANDROID_REQUEST_PIPELINE_DEPTH, + ANDROID_SCALER_CROP_REGION, + ANDROID_SENSOR_EXPOSURE_TIME, + ANDROID_SENSOR_FRAME_DURATION, + ANDROID_SENSOR_ROLLING_SHUTTER_SKEW, + ANDROID_SENSOR_TEST_PATTERN_MODE, + ANDROID_SENSOR_TIMESTAMP, + ANDROID_STATISTICS_FACE_DETECT_MODE, + ANDROID_STATISTICS_LENS_SHADING_MAP_MODE, + ANDROID_STATISTICS_HOT_PIXEL_MAP_MODE, + ANDROID_STATISTICS_SCENE_FLICKER, + }; + staticMetadata_->addEntry(ANDROID_REQUEST_AVAILABLE_RESULT_KEYS, + availableResultKeys); + + if (!staticMetadata_->isValid()) { + LOG(HAL, Error) << "Failed to construct static metadata"; + staticMetadata_.reset(); + return -EINVAL; + } + + if (staticMetadata_->resized()) { + auto [entryCount, dataCount] = staticMetadata_->usage(); + LOG(HAL, Info) + << "Static metadata resized: " << entryCount + << " entries and " << dataCount << " bytes used"; + } + + return 0; +} + +/* Translate Android format code to libcamera pixel format. */ +PixelFormat CameraCapabilities::toPixelFormat(int format) const +{ + auto it = formatsMap_.find(format); + if (it == formatsMap_.end()) { + LOG(HAL, Error) << "Requested format " << utils::hex(format) + << " not supported"; + return PixelFormat(); + } + + return it->second; +} + +std::unique_ptr<CameraMetadata> CameraCapabilities::requestTemplatePreview() const +{ + /* + * \todo Keep this in sync with the actual number of entries. + * Currently: 20 entries, 35 bytes + */ + auto requestTemplate = std::make_unique<CameraMetadata>(21, 36); + if (!requestTemplate->isValid()) { + return nullptr; + } + + /* Get the FPS range registered in the static metadata. */ + camera_metadata_ro_entry_t entry; + bool found = staticMetadata_->getEntry(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, + &entry); + if (!found) { + LOG(HAL, Error) << "Cannot create capture template without FPS range"; + return nullptr; + } + + /* + * Assume the AE_AVAILABLE_TARGET_FPS_RANGE static metadata + * has been assembled as {{min, max} {max, max}}. + */ + requestTemplate->addEntry(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, + entry.data.i32, 2); + + uint8_t aeMode = ANDROID_CONTROL_AE_MODE_ON; + requestTemplate->addEntry(ANDROID_CONTROL_AE_MODE, aeMode); + + int32_t aeExposureCompensation = 0; + requestTemplate->addEntry(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, + aeExposureCompensation); + + uint8_t aePrecaptureTrigger = ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE; + requestTemplate->addEntry(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, + aePrecaptureTrigger); + + uint8_t aeLock = ANDROID_CONTROL_AE_LOCK_OFF; + requestTemplate->addEntry(ANDROID_CONTROL_AE_LOCK, aeLock); + + uint8_t aeAntibandingMode = ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO; + requestTemplate->addEntry(ANDROID_CONTROL_AE_ANTIBANDING_MODE, + aeAntibandingMode); + + uint8_t afMode = ANDROID_CONTROL_AF_MODE_OFF; + requestTemplate->addEntry(ANDROID_CONTROL_AF_MODE, afMode); + + uint8_t afTrigger = ANDROID_CONTROL_AF_TRIGGER_IDLE; + requestTemplate->addEntry(ANDROID_CONTROL_AF_TRIGGER, afTrigger); + + uint8_t awbMode = ANDROID_CONTROL_AWB_MODE_AUTO; + requestTemplate->addEntry(ANDROID_CONTROL_AWB_MODE, awbMode); + + uint8_t awbLock = ANDROID_CONTROL_AWB_LOCK_OFF; + requestTemplate->addEntry(ANDROID_CONTROL_AWB_LOCK, awbLock); + + uint8_t flashMode = ANDROID_FLASH_MODE_OFF; + requestTemplate->addEntry(ANDROID_FLASH_MODE, flashMode); + + uint8_t faceDetectMode = ANDROID_STATISTICS_FACE_DETECT_MODE_OFF; + requestTemplate->addEntry(ANDROID_STATISTICS_FACE_DETECT_MODE, + faceDetectMode); + + uint8_t noiseReduction = ANDROID_NOISE_REDUCTION_MODE_OFF; + requestTemplate->addEntry(ANDROID_NOISE_REDUCTION_MODE, + noiseReduction); + + uint8_t aberrationMode = ANDROID_COLOR_CORRECTION_ABERRATION_MODE_OFF; + requestTemplate->addEntry(ANDROID_COLOR_CORRECTION_ABERRATION_MODE, + aberrationMode); + + uint8_t controlMode = ANDROID_CONTROL_MODE_AUTO; + requestTemplate->addEntry(ANDROID_CONTROL_MODE, controlMode); + + float lensAperture = 2.53 / 100; + requestTemplate->addEntry(ANDROID_LENS_APERTURE, lensAperture); + + uint8_t opticalStabilization = ANDROID_LENS_OPTICAL_STABILIZATION_MODE_OFF; + requestTemplate->addEntry(ANDROID_LENS_OPTICAL_STABILIZATION_MODE, + opticalStabilization); + + uint8_t captureIntent = ANDROID_CONTROL_CAPTURE_INTENT_PREVIEW; + requestTemplate->addEntry(ANDROID_CONTROL_CAPTURE_INTENT, + captureIntent); + + return requestTemplate; +} + +std::unique_ptr<CameraMetadata> CameraCapabilities::requestTemplateVideo() const +{ + std::unique_ptr<CameraMetadata> previewTemplate = requestTemplatePreview(); + if (!previewTemplate) + return nullptr; + + /* + * The video template requires a fixed FPS range. Everything else + * stays the same as the preview template. + */ + camera_metadata_ro_entry_t entry; + staticMetadata_->getEntry(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, + &entry); + + /* + * Assume the AE_AVAILABLE_TARGET_FPS_RANGE static metadata + * has been assembled as {{min, max} {max, max}}. + */ + previewTemplate->updateEntry(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, + entry.data.i32 + 2, 2); + + return previewTemplate; +} |