Camera2: Revise MOTION_TRACKING capability (601e0f6d) · Commits · e / os / android_frameworks_base

api/current.txt

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Original line number	Diff line number	Diff line
		@@ -15843,8 +15843,6 @@ package android.hardware.camera2 {
		method public abstract void createReprocessableCaptureSessionByConfigurations(android.hardware.camera2.params.InputConfiguration, java.util.List<android.hardware.camera2.params.OutputConfiguration>, android.hardware.camera2.CameraCaptureSession.StateCallback, android.os.Handler) throws android.hardware.camera2.CameraAccessException;
		method public abstract java.lang.String getId();
		field public static final int TEMPLATE_MANUAL = 6; // 0x6
		field public static final int TEMPLATE_MOTION_TRACKING_BEST = 8; // 0x8
		field public static final int TEMPLATE_MOTION_TRACKING_PREVIEW = 7; // 0x7
		field public static final int TEMPLATE_PREVIEW = 1; // 0x1
		field public static final int TEMPLATE_RECORD = 3; // 0x3
		field public static final int TEMPLATE_STILL_CAPTURE = 2; // 0x2

core/java/android/hardware/camera2/CameraCharacteristics.java

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Original line number	Diff line number	Diff line
		@@ -1372,9 +1372,6 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri
		* <p>The origin for {@link CameraCharacteristics#LENS_POSE_TRANSLATION android.lens.poseTranslation}.</p>
		* <p>Different calibration methods and use cases can produce better or worse results
		* depending on the selected coordinate origin.</p>
		* <p>For devices designed to support the MOTION_TRACKING capability, the GYROSCOPE origin
		* makes device calibration and later usage by applications combining camera and gyroscope
		* information together simpler.</p>
		* <p><b>Possible values:</b>
		* <ul>
		* <li>{@link #LENS_POSE_REFERENCE_PRIMARY_CAMERA PRIMARY_CAMERA}</li>

core/java/android/hardware/camera2/CameraDevice.java

+1 −55

Original line number	Diff line number	Diff line
		@@ -145,37 +145,6 @@ public abstract class CameraDevice implements AutoCloseable {
		*/
		public static final int TEMPLATE_MANUAL = 6;

		/**
		* A template for selecting camera parameters that match TEMPLATE_PREVIEW as closely as
		* possible while improving the camera output for motion tracking use cases.
		*
		* <p>This template is best used by applications that are frequently switching between motion
		* tracking use cases and regular still capture use cases, to minimize the IQ changes
		* when swapping use cases.</p>
		*
		* <p>This template is guaranteed to be supported on camera devices that support the
		* {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_MOTION_TRACKING MOTION_TRACKING}
		* capability.</p>
		*
		* @see #createCaptureRequest
		*/
		public static final int TEMPLATE_MOTION_TRACKING_PREVIEW = 7;

		/**
		* A template for selecting camera parameters that maximize the quality of camera output for
		* motion tracking use cases.
		*
		* <p>This template is best used by applications dedicated to motion tracking applications,
		* which aren't concerned about fast switches between motion tracking and other use cases.</p>
		*
		* <p>This template is guaranteed to be supported on camera devices that support the
		* {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_MOTION_TRACKING MOTION_TRACKING}
		* capability.</p>
		*
		* @see #createCaptureRequest
		*/
		public static final int TEMPLATE_MOTION_TRACKING_BEST = 8;

		/** @hide */
		@Retention(RetentionPolicy.SOURCE)
		@IntDef(prefix = {"TEMPLATE_"}, value =
		@@ -184,9 +153,7 @@ public abstract class CameraDevice implements AutoCloseable {
		TEMPLATE_RECORD,
		TEMPLATE_VIDEO_SNAPSHOT,
		TEMPLATE_ZERO_SHUTTER_LAG,
		TEMPLATE_MANUAL,
		TEMPLATE_MOTION_TRACKING_PREVIEW,
		TEMPLATE_MOTION_TRACKING_BEST})
		TEMPLATE_MANUAL})
		public @interface RequestTemplate {};

		/**
		@@ -420,27 +387,6 @@ public abstract class CameraDevice implements AutoCloseable {
		* </table><br>
		* </p>
		*
		* <p>MOTION_TRACKING-capability ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES}
		* includes
		* {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_MOTION_TRACKING MOTION_TRACKING})
		* devices support at least the below stream combinations in addition to those for
		* {@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED} devices. The
		* {@code FULL FOV 640} entry means that the device will support a resolution that's 640 pixels
		* wide, with the height set so that the resolution aspect ratio matches the MAXIMUM output
		* aspect ratio, rounded down. So for a device with a 4:3 image sensor, this will be 640x480,
		* and for a device with a 16:9 sensor, this will be 640x360, and so on. And the
		* {@code MAX 30FPS} entry means the largest JPEG resolution on the device for which
		* {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputMinFrameDuration}
		* returns a value less than or equal to 1/30s.
		*
		* <table>
		* <tr><th colspan="7">MOTION_TRACKING-capability additional guaranteed configurations</th></tr>
		* <tr><th colspan="2" id="rb">Target 1</th><th colspan="2" id="rb">Target 2</th><th colspan="2" id="rb">Target 3</th><th rowspan="2">Sample use case(s)</th> </tr>
		* <tr><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th></tr>
		* <tr> <td>{@code YUV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code FULL FOV 640}</td> <td>{@code JPEG}</td><td id="rb">{@code MAX 30FPS}</td> <td>Preview with a tracking YUV output and a as-large-as-possible JPEG for still captures.</td> </tr>
		* </table><br>
		* </p>
		*
		* <p>BURST-capability ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES} includes
		* {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_BURST_CAPTURE BURST_CAPTURE}) devices
		* support at least the below stream combinations in addition to those for

core/java/android/hardware/camera2/CameraMetadata.java

+5 −40

Original line number	Diff line number	Diff line
		@@ -342,7 +342,7 @@ public abstract class CameraMetadata<TKey> {
		/**
		* <p>The value of {@link CameraCharacteristics#LENS_POSE_TRANSLATION android.lens.poseTranslation} is relative to the optical center of
		* the largest camera device facing the same direction as this camera.</p>
		* <p>This default value for API levels before Android P.</p>
		* <p>This is the default value for API levels before Android P.</p>
		*
		* @see CameraCharacteristics#LENS_POSE_TRANSLATION
		* @see CameraCharacteristics#LENS_POSE_REFERENCE
		@@ -352,7 +352,6 @@ public abstract class CameraMetadata<TKey> {
		/**
		* <p>The value of {@link CameraCharacteristics#LENS_POSE_TRANSLATION android.lens.poseTranslation} is relative to the position of the
		* primary gyroscope of this Android device.</p>
		* <p>This is the value reported by all devices that support the MOTION_TRACKING capability.</p>
		*
		* @see CameraCharacteristics#LENS_POSE_TRANSLATION
		* @see CameraCharacteristics#LENS_POSE_REFERENCE
		@@ -801,46 +800,12 @@ public abstract class CameraMetadata<TKey> {
		public static final int REQUEST_AVAILABLE_CAPABILITIES_CONSTRAINED_HIGH_SPEED_VIDEO = 9;

		/**
		* <p>The device supports controls and metadata required for accurate motion tracking for
		* use cases such as augmented reality, electronic image stabilization, and so on.</p>
		* <p>This means this camera device has accurate optical calibration and timestamps relative
		* to the inertial sensors.</p>
		* <p>This capability requires the camera device to support the following:</p>
		* <ul>
		* <li>Capture request templates {@link android.hardware.camera2.CameraDevice#TEMPLATE_MOTION_TRACKING_PREVIEW } and {@link android.hardware.camera2.CameraDevice#TEMPLATE_MOTION_TRACKING_BEST } are defined.</li>
		* <li>The stream configurations listed in {@link android.hardware.camera2.CameraDevice#createCaptureSession } for MOTION_TRACKING are
		* supported, either at 30 or 60fps maximum frame rate.</li>
		* <li>The following camera characteristics and capture result metadata are provided:<ul>
		* <li>{@link CameraCharacteristics#LENS_INTRINSIC_CALIBRATION android.lens.intrinsicCalibration}</li>
		* <li>{@link CameraCharacteristics#LENS_RADIAL_DISTORTION android.lens.radialDistortion}</li>
		* <li>{@link CameraCharacteristics#LENS_POSE_ROTATION android.lens.poseRotation}</li>
		* <li>{@link CameraCharacteristics#LENS_POSE_TRANSLATION android.lens.poseTranslation}</li>
		* <li>{@link CameraCharacteristics#LENS_POSE_REFERENCE android.lens.poseReference} with value GYROSCOPE</li>
		* </ul>
		* </li>
		* <li>The {@link CameraCharacteristics#SENSOR_INFO_TIMESTAMP_SOURCE android.sensor.info.timestampSource} field has value <code>REALTIME</code>. When compared to
		* timestamps from the device's gyroscopes, the clock difference for events occuring at
		* the same actual time instant will be less than 1 ms.</li>
		* <li>The value of the {@link CaptureResult#SENSOR_ROLLING_SHUTTER_SKEW android.sensor.rollingShutterSkew} field is accurate to within 1 ms.</li>
		* <li>The value of {@link CaptureRequest#SENSOR_EXPOSURE_TIME android.sensor.exposureTime} is guaranteed to be available in the
		* capture result.</li>
		* <li>The {@link CaptureRequest#CONTROL_CAPTURE_INTENT android.control.captureIntent} control supports MOTION_TRACKING to limit maximum
		* exposure to 20 milliseconds.</li>
		* <li>The stream configurations required for MOTION_TRACKING (listed at {@link android.hardware.camera2.CameraDevice#createCaptureSession }) can operate at least at
		* 30fps; optionally, they can operate at 60fps, and '[60, 60]' is listed in
		* {@link CameraCharacteristics#CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES android.control.aeAvailableTargetFpsRanges}.</li>
		* </ul>
		* <p>The camera device supports the MOTION_TRACKING value for
		* {@link CaptureRequest#CONTROL_CAPTURE_INTENT android.control.captureIntent}, which limits maximum exposure time to 20 ms.</p>
		* <p>This limits the motion blur of capture images, resulting in better image tracking
		* results for use cases such as image stabilization or augmented reality.</p>
		*
		* @see CameraCharacteristics#CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES
		* @see CaptureRequest#CONTROL_CAPTURE_INTENT
		* @see CameraCharacteristics#LENS_INTRINSIC_CALIBRATION
		* @see CameraCharacteristics#LENS_POSE_REFERENCE
		* @see CameraCharacteristics#LENS_POSE_ROTATION
		* @see CameraCharacteristics#LENS_POSE_TRANSLATION
		* @see CameraCharacteristics#LENS_RADIAL_DISTORTION
		* @see CaptureRequest#SENSOR_EXPOSURE_TIME
		* @see CameraCharacteristics#SENSOR_INFO_TIMESTAMP_SOURCE
		* @see CaptureResult#SENSOR_ROLLING_SHUTTER_SKEW
		* @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES
		*/
		public static final int REQUEST_AVAILABLE_CAPABILITIES_MOTION_TRACKING = 10;

core/java/android/hardware/camera2/CaptureRequest.java

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Original line number	Diff line number	Diff line
		@@ -2757,11 +2757,11 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		new Key<Integer>("android.statistics.lensShadingMapMode", int.class);

		/**
		* <p>Whether the camera device outputs the OIS data in output
		* <p>A control for selecting whether OIS position information is included in output
		* result metadata.</p>
		* <p>When set to ON,
		* {@link CaptureResult#STATISTICS_OIS_TIMESTAMPS android.statistics.oisTimestamps}, android.statistics.oisShiftPixelX,
		* android.statistics.oisShiftPixelY will provide OIS data in the output result metadata.</p>
		* and android.statistics.oisShiftPixelY provide OIS data in the output result metadata.</p>
		* <p><b>Possible values:</b>
		* <ul>
		* <li>{@link #STATISTICS_OIS_DATA_MODE_OFF OFF}</li>