camera2: (legacy) Support awb mode, test mode metadata keys (733341bf) · Commits · e / os / android_frameworks_base

core/java/android/hardware/camera2/legacy/LegacyMetadataMapper.java

+63 −8

Original line number	Diff line number	Diff line
		@@ -94,7 +94,7 @@ public class LegacyMetadataMapper {
		static final boolean LIE_ABOUT_AF = false;
		static final boolean LIE_ABOUT_AF_MAX_REGIONS = false;
		static final boolean LIE_ABOUT_AWB_STATE = false;
		static final boolean LIE_ABOUT_AWB = true;
		static final boolean LIE_ABOUT_AWB = false;

		/**
		* Create characteristics for a legacy device by mapping the {@code parameters}
		@@ -436,8 +436,52 @@ public class LegacyMetadataMapper {
		}

		private static void mapControlAwb(CameraMetadataNative m, Camera.Parameters p) {
		if (!LIE_ABOUT_AWB) {
		throw new AssertionError("Not implemented yet");
		/*
		* control.awbAvailableModes
		*/

		{
		List<String> wbModes = p.getSupportedWhiteBalance();

		String[] wbModeStrings = new String[] {
		Camera.Parameters.WHITE_BALANCE_AUTO ,
		Camera.Parameters.WHITE_BALANCE_INCANDESCENT ,
		Camera.Parameters.WHITE_BALANCE_FLUORESCENT ,
		Camera.Parameters.WHITE_BALANCE_WARM_FLUORESCENT ,
		Camera.Parameters.WHITE_BALANCE_DAYLIGHT ,
		Camera.Parameters.WHITE_BALANCE_CLOUDY_DAYLIGHT ,
		Camera.Parameters.WHITE_BALANCE_TWILIGHT ,
		Camera.Parameters.WHITE_BALANCE_SHADE ,
		};

		int[] wbModeInts = new int[] {
		CONTROL_AWB_MODE_AUTO,
		CONTROL_AWB_MODE_INCANDESCENT ,
		CONTROL_AWB_MODE_FLUORESCENT ,
		CONTROL_AWB_MODE_WARM_FLUORESCENT ,
		CONTROL_AWB_MODE_DAYLIGHT ,
		CONTROL_AWB_MODE_CLOUDY_DAYLIGHT ,
		CONTROL_AWB_MODE_TWILIGHT ,
		CONTROL_AWB_MODE_SHADE ,
		// Note that CONTROL_AWB_MODE_OFF is unsupported
		};

		List<Integer> awbAvail = ArrayUtils.convertStringListToIntList(
		wbModes, wbModeStrings, wbModeInts);

		// No AWB modes supported? That's unpossible!
		if (awbAvail == null \|\| awbAvail.size() == 0) {
		Log.w(TAG, "No AWB modes supported (HAL bug); defaulting to AWB_MODE_AUTO only");
		awbAvail = new ArrayList<Integer>(/capacity/1);
		awbAvail.add(CONTROL_AWB_MODE_AUTO);
		}

		m.set(CONTROL_AWB_AVAILABLE_MODES, ArrayUtils.toIntArray(awbAvail));

		if (VERBOSE) {
		Log.v(TAG, "mapControlAwb - control.awbAvailableModes set to " +
		ListUtils.listToString(awbAvail));
		}
		}
		}

		@@ -649,6 +693,11 @@ public class LegacyMetadataMapper {
		*/
		m.set(REQUEST_MAX_NUM_INPUT_STREAMS, REQUEST_MAX_NUM_INPUT_STREAMS_COUNT);

		/*
		* request.partialResultCount
		*/
		m.set(REQUEST_PARTIAL_RESULT_COUNT, 1); // No partial results supported

		/*
		* request.pipelineMaxDepth
		*/
		@@ -679,6 +728,14 @@ public class LegacyMetadataMapper {
		m.set(SENSOR_INFO_ACTIVE_ARRAY_SIZE, activeArrayRect);
		}

		/*
		* sensor.availableTestPatternModes
		*/
		{
		// Only "OFF" test pattern mode is available
		m.set(SENSOR_AVAILABLE_TEST_PATTERN_MODES, new int[] { SENSOR_TEST_PATTERN_MODE_OFF });
		}

		/*
		* sensor.info.pixelArraySize
		*/
		@@ -921,11 +978,9 @@ public class LegacyMetadataMapper {
		* control.*
		*/

		if (LIE_ABOUT_AWB) {
		// control.awbMode
		m.set(CaptureRequest.CONTROL_AWB_MODE, CameraMetadata.CONTROL_AWB_MODE_AUTO);
		} else {
		throw new AssertionError("Valid control.awbMode not implemented yet");
		}
		// AWB is always unconditionally available in API1 devices

		// control.aeAntibandingMode
		m.set(CaptureRequest.CONTROL_AE_ANTIBANDING_MODE, CONTROL_AE_ANTIBANDING_MODE_AUTO);

core/java/android/hardware/camera2/legacy/LegacyRequestMapper.java

+56 −0

Original line number	Diff line number	Diff line
		@@ -216,6 +216,25 @@ public class LegacyRequestMapper {
		}
		}

		// control.awbMode
		{
		Integer awbMode = getIfSupported(request, CONTROL_AWB_MODE,
		/defaultValue/CONTROL_AWB_MODE_AUTO,
		params.getSupportedWhiteBalance() != null,
		/allowedValue/CONTROL_AWB_MODE_AUTO);

		String whiteBalanceMode = null;
		if (awbMode != null) { // null iff AWB is not supported by camera1 api
		whiteBalanceMode = convertAwbModeToLegacy(awbMode);
		params.setWhiteBalance(whiteBalanceMode);
		}

		if (VERBOSE) {
		Log.v(TAG, "convertRequestToMetadata - control.awbMode "
		+ awbMode + " mapped to " + whiteBalanceMode);
		}
		}

		// control.awbLock
		{
		Boolean awbLock = getIfSupported(request, CONTROL_AWB_LOCK, /defaultValue/false,
		@@ -294,6 +313,20 @@ public class LegacyRequestMapper {
		}
		}
		}

		/*
		* sensor
		*/

		// sensor.testPattern
		{
		int testPatternMode = ParamsUtils.getOrDefault(request, SENSOR_TEST_PATTERN_MODE,
		/defaultValue/SENSOR_TEST_PATTERN_MODE_OFF);
		if (testPatternMode != SENSOR_TEST_PATTERN_MODE_OFF) {
		Log.w(TAG, "convertRequestToMetadata - ignoring sensor.testPatternMode "
		+ testPatternMode + "; only OFF is supported");
		}
		}
		}

		private static List<Camera.Area> convertMeteringRegionsToLegacy(
		@@ -445,6 +478,29 @@ public class LegacyRequestMapper {
		return legacyFps;
		}

		private static String convertAwbModeToLegacy(int mode) {
		switch (mode) {
		case CONTROL_AWB_MODE_AUTO:
		return Camera.Parameters.WHITE_BALANCE_AUTO;
		case CONTROL_AWB_MODE_INCANDESCENT:
		return Camera.Parameters.WHITE_BALANCE_INCANDESCENT;
		case CONTROL_AWB_MODE_FLUORESCENT:
		return Camera.Parameters.WHITE_BALANCE_FLUORESCENT;
		case CONTROL_AWB_MODE_WARM_FLUORESCENT:
		return Camera.Parameters.WHITE_BALANCE_WARM_FLUORESCENT;
		case CONTROL_AWB_MODE_DAYLIGHT:
		return Camera.Parameters.WHITE_BALANCE_DAYLIGHT;
		case CONTROL_AWB_MODE_CLOUDY_DAYLIGHT:
		return Camera.Parameters.WHITE_BALANCE_CLOUDY_DAYLIGHT;
		case CONTROL_AWB_MODE_TWILIGHT:
		return Camera.Parameters.WHITE_BALANCE_TWILIGHT;
		default:
		Log.w(TAG, "convertAwbModeToLegacy - unrecognized control.awbMode" + mode);
		return Camera.Parameters.WHITE_BALANCE_AUTO;
		}
		}


		/**
		* Return {@code null} if the value is not supported, otherwise return the retrieved key's
		* value from the request (or the default value if it wasn't set).

core/java/android/hardware/camera2/legacy/LegacyResultMapper.java

+58 −21

Original line number	Diff line number	Diff line
		@@ -20,7 +20,6 @@ import android.graphics.Rect;
		import android.hardware.Camera;
		import android.hardware.Camera.Parameters;
		import android.hardware.camera2.CameraCharacteristics;
		import android.hardware.camera2.CameraMetadata;
		import android.hardware.camera2.CaptureRequest;
		import android.hardware.camera2.CaptureResult;
		import android.hardware.camera2.impl.CameraMetadataNative;
		@@ -133,26 +132,15 @@ public class LegacyResultMapper {
		*/
		mapAe(result, characteristics, request, activeArraySize, zoomData, /out/params);

		// control.afMode
		result.set(CaptureResult.CONTROL_AF_MODE, convertLegacyAfMode(params.getFocusMode()));

		// control.awbLock
		result.set(CaptureResult.CONTROL_AWB_LOCK, params.getAutoWhiteBalanceLock());

		// control.awbState
		if (LegacyMetadataMapper.LIE_ABOUT_AWB_STATE) {
		// Lie to pass CTS temporarily.
		// TODO: CTS needs to be updated not to query this value
		// for LIMITED devices unless its guaranteed to be available.
		result.set(CaptureResult.CONTROL_AWB_STATE,
		CameraMetadata.CONTROL_AWB_STATE_CONVERGED);
		// TODO: Read the awb mode from parameters instead
		}
		/*
		* control.af*
		*/
		mapAf(result, activeArraySize, zoomData, /out/params);

		if (LegacyMetadataMapper.LIE_ABOUT_AWB) {
		result.set(CaptureResult.CONTROL_AWB_MODE,
		request.get(CaptureRequest.CONTROL_AWB_MODE));
		}
		/*
		* control.awb*
		*/
		mapAwb(result, /out/params);


		/*
		@@ -203,7 +191,7 @@ public class LegacyResultMapper {
		* flash
		*/
		{
		// TODO
		// flash.mode, flash.state mapped in mapAeAndFlashMode
		}

		/*
		@@ -234,6 +222,11 @@ public class LegacyResultMapper {
		/*
		* sensor
		*/
		// sensor.timestamp varies every frame; mapping is done in #cachedConvertResultMetadata
		{
		// Unconditionally no test patterns
		result.set(SENSOR_TEST_PATTERN_MODE, SENSOR_TEST_PATTERN_MODE_OFF);
		}

		// TODO: Remaining result metadata tags conversions.
		return result;
		@@ -295,6 +288,13 @@ public class LegacyResultMapper {
		m.set(CONTROL_AE_REGIONS, meteringRectArray);
		}

		}

		private static void mapAf(CameraMetadataNative m,
		Rect activeArray, ZoomData zoomData, Camera.Parameters p) {
		// control.afMode
		m.set(CaptureResult.CONTROL_AF_MODE, convertLegacyAfMode(p.getFocusMode()));

		// control.afRegions
		{
		if (VERBOSE) {
		@@ -307,13 +307,21 @@ public class LegacyResultMapper {

		m.set(CONTROL_AF_REGIONS, meteringRectArray);
		}
		}

		private static void mapAwb(CameraMetadataNative m, Camera.Parameters p) {
		// control.awbLock
		{
		boolean lock = p.isAutoWhiteBalanceLockSupported() ?
		p.getAutoWhiteBalanceLock() : false;
		m.set(CONTROL_AWB_LOCK, lock);
		}

		// control.awbMode
		{
		int awbMode = convertLegacyAwbMode(p.getWhiteBalance());
		m.set(CONTROL_AWB_MODE, awbMode);
		}
		}

		private static MeteringRectangle[] getMeteringRectangles(Rect activeArray, ZoomData zoomData,
		@@ -412,6 +420,35 @@ public class LegacyResultMapper {
		}
		}

		private static int convertLegacyAwbMode(String mode) {
		if (mode == null) {
		// OK: camera1 api may not support changing WB modes; assume AUTO
		return CONTROL_AWB_MODE_AUTO;
		}

		switch (mode) {
		case Camera.Parameters.WHITE_BALANCE_AUTO:
		return CONTROL_AWB_MODE_AUTO;
		case Camera.Parameters.WHITE_BALANCE_INCANDESCENT:
		return CONTROL_AWB_MODE_INCANDESCENT;
		case Camera.Parameters.WHITE_BALANCE_FLUORESCENT:
		return CONTROL_AWB_MODE_FLUORESCENT;
		case Camera.Parameters.WHITE_BALANCE_WARM_FLUORESCENT:
		return CONTROL_AWB_MODE_WARM_FLUORESCENT;
		case Camera.Parameters.WHITE_BALANCE_DAYLIGHT:
		return CONTROL_AWB_MODE_DAYLIGHT;
		case Camera.Parameters.WHITE_BALANCE_CLOUDY_DAYLIGHT:
		return CONTROL_AWB_MODE_CLOUDY_DAYLIGHT;
		case Camera.Parameters.WHITE_BALANCE_TWILIGHT:
		return CONTROL_AWB_MODE_TWILIGHT;
		case Camera.Parameters.WHITE_BALANCE_SHADE:
		return CONTROL_AWB_MODE_SHADE;
		default:
		Log.w(TAG, "convertAwbMode - unrecognized WB mode " + mode);
		return CONTROL_AWB_MODE_AUTO;
		}
		}

		/** Map results for scaler.* */
		private static void mapScaler(CameraMetadataNative m,
		ZoomData zoomData,