[libcamera-devel] [PATCH v3 4/4] android: camera_device: Report available keys

[Jacopo Mondi]

Report the list of available static metadata tags (characteristicKeys),
of supported controls (requestKeys) and produced metadata (resultKeys)
in the static metadata pack.

Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
---
 src/android/camera_device.cpp | 99 ++++++++++++++++++++++++++++++++++-
 1 file changed, 97 insertions(+), 2 deletions(-)

diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp
index eaa0e1de12c2..5707a1ddeda1 100644
--- a/src/android/camera_device.cpp
+++ b/src/android/camera_device.cpp
@@ -130,9 +130,9 @@ camera_metadata_t *CameraDevice::getStaticMetadata()
 
 	/*
 	 * \todo Keep this in sync with the actual number of entries.
-	 * Currently: 46 entries, 390 bytes
+	 * Currently: 49 entries, 666 bytes
 	 */
-	staticMetadata_ = allocate_camera_metadata(50, 500);
+	staticMetadata_ = allocate_camera_metadata(50, 700);
 
 	/* Color correction static metadata. */
 	std::vector<uint8_t> aberrationModes = {
@@ -505,6 +505,101 @@ camera_metadata_t *CameraDevice::getStaticMetadata()
 			availableCapabilities.size());
 	METADATA_ASSERT(ret);
 
+	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_AF_AVAILABLE_MODES,
+		ANDROID_CONTROL_AVAILABLE_EFFECTS,
+		ANDROID_CONTROL_AVAILABLE_SCENE_MODES,
+		ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES,
+		ANDROID_CONTROL_AWB_AVAILABLE_MODES,
+		ANDROID_CONTROL_MAX_REGIONS,
+		ANDROID_CONTROL_SCENE_MODE_OVERRIDES,
+		ANDROID_CONTROL_AE_LOCK_AVAILABLE,
+		ANDROID_CONTROL_AWB_LOCK_AVAILABLE,
+		ANDROID_CONTROL_AVAILABLE_MODES,
+		ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES,
+		ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE,
+		ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE,
+		ANDROID_SENSOR_INFO_SENSITIVITY_RANGE,
+		ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT,
+		ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE,
+		ANDROID_SENSOR_ORIENTATION,
+		ANDROID_SENSOR_AVAILABLE_TEST_PATTERN_MODES,
+		ANDROID_SENSOR_INFO_PHYSICAL_SIZE,
+		ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE,
+		ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES,
+		ANDROID_STATISTICS_INFO_MAX_FACE_COUNT,
+		ANDROID_SYNC_MAX_LATENCY,
+		ANDROID_FLASH_INFO_AVAILABLE,
+		ANDROID_LENS_INFO_AVAILABLE_APERTURES,
+		ANDROID_LENS_FACING,
+		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_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM,
+		ANDROID_SCALER_AVAILABLE_FORMATS,
+		ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS,
+		ANDROID_SCALER_AVAILABLE_STALL_DURATIONS,
+		ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS,
+		ANDROID_SCALER_CROPPING_TYPE,
+		ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL,
+		ANDROID_REQUEST_PARTIAL_RESULT_COUNT,
+		ANDROID_REQUEST_PIPELINE_MAX_DEPTH,
+		ANDROID_REQUEST_AVAILABLE_CAPABILITIES,
+	};
+	ret = add_camera_metadata_entry(staticMetadata_,
+			ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS,
+			availableCharacteristicsKeys.data(),
+			availableCharacteristicsKeys.size());
+	METADATA_ASSERT(ret);
+
+	std::vector<int32_t> availableRequestKeys = {
+		ANDROID_CONTROL_AE_MODE,
+		ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION,
+		ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER,
+		ANDROID_CONTROL_AE_LOCK,
+		ANDROID_CONTROL_AF_TRIGGER,
+		ANDROID_CONTROL_AWB_MODE,
+		ANDROID_CONTROL_AWB_LOCK,
+		ANDROID_FLASH_MODE,
+		ANDROID_STATISTICS_FACE_DETECT_MODE,
+		ANDROID_NOISE_REDUCTION_MODE,
+		ANDROID_COLOR_CORRECTION_ABERRATION_MODE,
+		ANDROID_CONTROL_CAPTURE_INTENT,
+	};
+	ret = add_camera_metadata_entry(staticMetadata_,
+			ANDROID_REQUEST_AVAILABLE_REQUEST_KEYS,
+			availableRequestKeys.data(),
+			availableRequestKeys.size());
+	METADATA_ASSERT(ret);
+
+	std::vector<int32_t> availableResultKeys = {
+		ANDROID_CONTROL_AE_STATE,
+		ANDROID_CONTROL_AE_LOCK,
+		ANDROID_CONTROL_AF_STATE,
+		ANDROID_CONTROL_AWB_STATE,
+		ANDROID_CONTROL_AWB_LOCK,
+		ANDROID_LENS_STATE,
+		ANDROID_SCALER_CROP_REGION,
+		ANDROID_SENSOR_TIMESTAMP,
+		ANDROID_SENSOR_ROLLING_SHUTTER_SKEW,
+		ANDROID_SENSOR_EXPOSURE_TIME,
+		ANDROID_STATISTICS_LENS_SHADING_MAP_MODE,
+		ANDROID_STATISTICS_SCENE_FLICKER,
+	};
+	ret = add_camera_metadata_entry(staticMetadata_,
+			ANDROID_REQUEST_AVAILABLE_RESULT_KEYS,
+			availableResultKeys.data(),
+			availableResultKeys.size());
+	METADATA_ASSERT(ret);
+
 	return staticMetadata_;
 }
 
-- 
2.23.0