Merge "Camera: Initial support for vendor tag caches" into oc-dev (222cd1a6) · Commits · e / os / android_frameworks_base

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

+21 −2

Original line number	Diff line number	Diff line
		@@ -62,6 +62,15 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri
		public static final class Key<T> {
		private final CameraMetadataNative.Key<T> mKey;

		/**
		* Visible for testing and vendor extensions only.
		*
		* @hide
		*/
		public Key(String name, Class<T> type, long vendorId) {
		mKey = new CameraMetadataNative.Key<T>(name, type, vendorId);
		}

		/**
		* Visible for testing and vendor extensions only.
		*
		@@ -98,6 +107,15 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri
		return mKey.getName();
		}

		/**
		* Return vendor tag id.
		*
		* @hide
		*/
		public long getVendorId() {
		return mKey.getVendorId();
		}

		/**
		* {@inheritDoc}
		*/
		@@ -159,6 +177,7 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri
		*/
		public CameraCharacteristics(CameraMetadataNative properties) {
		mProperties = CameraMetadataNative.move(properties);
		setNativeInstance(mProperties);
		}

		/**
		@@ -227,7 +246,7 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri
		}

		mKeys = Collections.unmodifiableList(
		getKeysStatic(getClass(), getKeyClass(), this, filterTags));
		getKeys(getClass(), getKeyClass(), this, filterTags));
		return mKeys;
		}

		@@ -320,7 +339,7 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri
		"metadataClass must be a subclass of CameraMetadata");
		}

		List<TKey> staticKeyList = CameraCharacteristics.<TKey>getKeysStatic(
		List<TKey> staticKeyList = getKeys(
		metadataClass, keyClass, /instance/null, filterTags);
		return Collections.unmodifiableList(staticKeyList);
		}

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

+20 −4

Original line number	Diff line number	Diff line
		@@ -52,6 +52,7 @@ public abstract class CameraMetadata<TKey> {

		private static final String TAG = "CameraMetadataAb";
		private static final boolean DEBUG = false;
		private CameraMetadataNative mNativeInstance = null;

		/**
		* Set a camera metadata field to a value. The field definitions can be
		@@ -86,6 +87,13 @@ public abstract class CameraMetadata<TKey> {
		*/
		protected abstract <T> T getProtected(TKey key);

		/**
		* @hide
		*/
		protected void setNativeInstance(CameraMetadataNative nativeInstance) {
		mNativeInstance = nativeInstance;
		}

		/**
		* @hide
		*/
		@@ -108,7 +116,7 @@ public abstract class CameraMetadata<TKey> {
		public List<TKey> getKeys() {
		Class<CameraMetadata<TKey>> thisClass = (Class<CameraMetadata<TKey>>) getClass();
		return Collections.unmodifiableList(
		getKeysStatic(thisClass, getKeyClass(), this, /filterTags/null));
		getKeys(thisClass, getKeyClass(), this, /filterTags/null));
		}

		/**
		@@ -126,7 +134,7 @@ public abstract class CameraMetadata<TKey> {
		* </p>
		*/
		/package/ @SuppressWarnings("unchecked")
		static <TKey> ArrayList<TKey> getKeysStatic(
		<TKey> ArrayList<TKey> getKeys(
		Class<?> type, Class<TKey> keyClass,
		CameraMetadata<TKey> instance,
		int[] filterTags) {
		@@ -173,23 +181,31 @@ public abstract class CameraMetadata<TKey> {
		}
		}

		ArrayList<TKey> vendorKeys = CameraMetadataNative.getAllVendorKeys(keyClass);
		if (null == mNativeInstance) {
		return keyList;
		}

		ArrayList<TKey> vendorKeys = mNativeInstance.getAllVendorKeys(keyClass);

		if (vendorKeys != null) {
		for (TKey k : vendorKeys) {
		String keyName;
		long vendorId;
		if (k instanceof CaptureRequest.Key<?>) {
		keyName = ((CaptureRequest.Key<?>) k).getName();
		vendorId = ((CaptureRequest.Key<?>) k).getVendorId();
		} else if (k instanceof CaptureResult.Key<?>) {
		keyName = ((CaptureResult.Key<?>) k).getName();
		vendorId = ((CaptureResult.Key<?>) k).getVendorId();
		} else if (k instanceof CameraCharacteristics.Key<?>) {
		keyName = ((CameraCharacteristics.Key<?>) k).getName();
		vendorId = ((CameraCharacteristics.Key<?>) k).getVendorId();
		} else {
		continue;
		}

		if (filterTags == null \|\| Arrays.binarySearch(filterTags,
		CameraMetadataNative.getTag(keyName)) >= 0) {
		CameraMetadataNative.getTag(keyName, vendorId)) >= 0) {
		keyList.add(k);
		}
		}

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

+22 −0

Original line number	Diff line number	Diff line
		@@ -96,6 +96,15 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		public final static class Key<T> {
		private final CameraMetadataNative.Key<T> mKey;

		/**
		* Visible for testing and vendor extensions only.
		*
		* @hide
		*/
		public Key(String name, Class<T> type, long vendorId) {
		mKey = new CameraMetadataNative.Key<T>(name, type, vendorId);
		}

		/**
		* Visible for testing and vendor extensions only.
		*
		@@ -132,6 +141,15 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		return mKey.getName();
		}

		/**
		* Return vendor tag id.
		*
		* @hide
		*/
		public long getVendorId() {
		return mKey.getVendorId();
		}

		/**
		* {@inheritDoc}
		*/
		@@ -199,6 +217,7 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		*/
		private CaptureRequest() {
		mSettings = new CameraMetadataNative();
		setNativeInstance(mSettings);
		mSurfaceSet = new HashSet<Surface>();
		mIsReprocess = false;
		mReprocessableSessionId = CameraCaptureSession.SESSION_ID_NONE;
		@@ -212,6 +231,7 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		@SuppressWarnings("unchecked")
		private CaptureRequest(CaptureRequest source) {
		mSettings = new CameraMetadataNative(source.mSettings);
		setNativeInstance(mSettings);
		mSurfaceSet = (HashSet<Surface>) source.mSurfaceSet.clone();
		mIsReprocess = source.mIsReprocess;
		mIsPartOfCHSRequestList = source.mIsPartOfCHSRequestList;
		@@ -242,6 +262,7 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		private CaptureRequest(CameraMetadataNative settings, boolean isReprocess,
		int reprocessableSessionId) {
		mSettings = CameraMetadataNative.move(settings);
		setNativeInstance(mSettings);
		mSurfaceSet = new HashSet<Surface>();
		mIsReprocess = isReprocess;
		if (isReprocess) {
		@@ -441,6 +462,7 @@ public final class CaptureRequest extends CameraMetadata<CaptureRequest.Key<?>>
		*/
		private void readFromParcel(Parcel in) {
		mSettings.readFromParcel(in);
		setNativeInstance(mSettings);

		mSurfaceSet.clear();

core/java/android/hardware/camera2/CaptureResult.java

+20 −0

Original line number	Diff line number	Diff line
		@@ -73,6 +73,15 @@ public class CaptureResult extends CameraMetadata<CaptureResult.Key<?>> {
		public final static class Key<T> {
		private final CameraMetadataNative.Key<T> mKey;

		/**
		* Visible for testing and vendor extensions only.
		*
		* @hide
		*/
		public Key(String name, Class<T> type, long vendorId) {
		mKey = new CameraMetadataNative.Key<T>(name, type, vendorId);
		}

		/**
		* Visible for testing and vendor extensions only.
		*
		@@ -109,6 +118,15 @@ public class CaptureResult extends CameraMetadata<CaptureResult.Key<?>> {
		return mKey.getName();
		}

		/**
		* Return vendor tag id.
		*
		* @hide
		*/
		public long getVendorId() {
		return mKey.getVendorId();
		}

		/**
		* {@inheritDoc}
		*/
		@@ -186,6 +204,7 @@ public class CaptureResult extends CameraMetadata<CaptureResult.Key<?>> {
		if (mResults.isEmpty()) {
		throw new AssertionError("Results must not be empty");
		}
		setNativeInstance(mResults);
		mRequest = parent;
		mSequenceId = extras.getRequestId();
		mFrameNumber = extras.getFrameNumber();
		@@ -215,6 +234,7 @@ public class CaptureResult extends CameraMetadata<CaptureResult.Key<?>> {
		throw new AssertionError("Results must not be empty");
		}

		setNativeInstance(mResults);
		mRequest = null;
		mSequenceId = sequenceId;
		mFrameNumber = -1;

core/java/android/hardware/camera2/impl/CameraMetadataNative.java

+60 −15

Original line number	Diff line number	Diff line
		@@ -79,10 +79,28 @@ public class CameraMetadataNative implements Parcelable {
		public static class Key<T> {
		private boolean mHasTag;
		private int mTag;
		private long mVendorId = Long.MAX_VALUE;
		private final Class<T> mType;
		private final TypeReference<T> mTypeReference;
		private final String mName;
		private final int mHash;

		/**
		* @hide
		*/
		public Key(String name, Class<T> type, long vendorId) {
		if (name == null) {
		throw new NullPointerException("Key needs a valid name");
		} else if (type == null) {
		throw new NullPointerException("Type needs to be non-null");
		}
		mName = name;
		mType = type;
		mVendorId = vendorId;
		mTypeReference = TypeReference.createSpecializedTypeReference(type);
		mHash = mName.hashCode() ^ mTypeReference.hashCode();
		}

		/**
		* Visible for testing only.
		*
		@@ -194,7 +212,7 @@ public class CameraMetadataNative implements Parcelable {
		*/
		public final int getTag() {
		if (!mHasTag) {
		mTag = CameraMetadataNative.getTag(mName);
		mTag = CameraMetadataNative.getTag(mName, mVendorId);
		mHasTag = true;
		}
		return mTag;
		@@ -211,6 +229,15 @@ public class CameraMetadataNative implements Parcelable {
		return mType;
		}

		/**
		* Get the vendor tag provider id.
		*
		* @hide
		*/
		public final long getVendorId() {
		return mVendorId;
		}

		/**
		* Get the type reference backing the type {@code T} for this key.
		*
		@@ -463,13 +490,14 @@ public class CameraMetadataNative implements Parcelable {
		}

		private <T> T getBase(Key<T> key) {
		int tag = key.getTag();
		int tag = nativeGetTagFromKeyLocal(key.getName());
		byte[] values = readValues(tag);
		if (values == null) {
		return null;
		}

		Marshaler<T> marshaler = getMarshalerForKey(key);
		int nativeType = nativeGetTypeFromTagLocal(tag);
		Marshaler<T> marshaler = getMarshalerForKey(key, nativeType);
		ByteBuffer buffer = ByteBuffer.wrap(values).order(ByteOrder.nativeOrder());
		return marshaler.unmarshal(buffer);
		}
		@@ -947,15 +975,15 @@ public class CameraMetadataNative implements Parcelable {
		}

		private <T> void setBase(Key<T> key, T value) {
		int tag = key.getTag();

		int tag = nativeGetTagFromKeyLocal(key.getName());
		if (value == null) {
		// Erase the entry
		writeValues(tag, /src/null);
		return;
		} // else update the entry to a new value

		Marshaler<T> marshaler = getMarshalerForKey(key);
		int nativeType = nativeGetTypeFromTagLocal(tag);
		Marshaler<T> marshaler = getMarshalerForKey(key, nativeType);
		int size = marshaler.calculateMarshalSize(value);

		// TODO: Optimization. Cache the byte[] and reuse if the size is big enough.
		@@ -1092,10 +1120,14 @@ public class CameraMetadataNative implements Parcelable {
		private native synchronized void nativeWriteValues(int tag, byte[] src);
		private native synchronized void nativeDump() throws IOException; // dump to ALOGD

		private static native ArrayList nativeGetAllVendorKeys(Class keyClass);
		private static native int nativeGetTagFromKey(String keyName)
		private native synchronized ArrayList nativeGetAllVendorKeys(Class keyClass);
		private native synchronized int nativeGetTagFromKeyLocal(String keyName)
		throws IllegalArgumentException;
		private static native int nativeGetTypeFromTag(int tag)
		private native synchronized int nativeGetTypeFromTagLocal(int tag)
		throws IllegalArgumentException;
		private static native int nativeGetTagFromKey(String keyName, long vendorId)
		throws IllegalArgumentException;
		private static native int nativeGetTypeFromTag(int tag, long vendorId)
		throws IllegalArgumentException;

		/**
		@@ -1133,7 +1165,7 @@ public class CameraMetadataNative implements Parcelable {
		*
		* @hide
		*/
		public static <K> ArrayList<K> getAllVendorKeys(Class<K> keyClass) {
		public <K> ArrayList<K> getAllVendorKeys(Class<K> keyClass) {
		if (keyClass == null) {
		throw new NullPointerException();
		}
		@@ -1149,19 +1181,32 @@ public class CameraMetadataNative implements Parcelable {
		* @hide
		*/
		public static int getTag(String key) {
		return nativeGetTagFromKey(key);
		return nativeGetTagFromKey(key, Long.MAX_VALUE);
		}

		/**
		* Convert a key string into the equivalent native tag.
		*
		* @throws IllegalArgumentException if the key was not recognized
		* @throws NullPointerException if the key was null
		*
		* @hide
		*/
		public static int getTag(String key, long vendorId) {
		return nativeGetTagFromKey(key, vendorId);
		}

		/**
		* Get the underlying native type for a tag.
		*
		* @param tag An integer tag, see e.g. {@link #getTag}
		* @param vendorId A vendor tag provider id
		* @return An int enum for the metadata type, see e.g. {@link #TYPE_BYTE}
		*
		* @hide
		*/
		public static int getNativeType(int tag) {
		return nativeGetTypeFromTag(tag);
		public static int getNativeType(int tag, long vendorId) {
		return nativeGetTypeFromTag(tag, vendorId);
		}

		/**
		@@ -1226,9 +1271,9 @@ public class CameraMetadataNative implements Parcelable {
		* @throws UnsupportedOperationException
		* if the native/managed type combination for {@code key} is not supported
		*/
		private static <T> Marshaler<T> getMarshalerForKey(Key<T> key) {
		private static <T> Marshaler<T> getMarshalerForKey(Key<T> key, int nativeType) {
		return MarshalRegistry.getMarshaler(key.getTypeReference(),
		getNativeType(key.getTag()));
		nativeType);
		}

		@SuppressWarnings({ "unchecked", "rawtypes" })