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-rw-r--r--api/current.txt1
-rw-r--r--core/java/android/hardware/camera2/CameraCharacteristics.java3
-rw-r--r--core/java/android/hardware/camera2/impl/CameraMetadataNative.java7
-rw-r--r--core/java/android/hardware/camera2/params/RecommendedStreamConfigurationMap.java14
4 files changed, 21 insertions, 4 deletions
diff --git a/api/current.txt b/api/current.txt
index 8367f84b2198..53d10bbb53ae 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -17375,6 +17375,7 @@ package android.hardware.camera2.params {
method @Nullable public java.util.Set<java.lang.Integer> getValidOutputFormatsForInput(int);
method public boolean isOutputSupportedFor(int);
method public boolean isOutputSupportedFor(@NonNull android.view.Surface);
+ field public static final int USECASE_LOW_LATENCY_SNAPSHOT = 6; // 0x6
field public static final int USECASE_PREVIEW = 0; // 0x0
field public static final int USECASE_RAW = 5; // 0x5
field public static final int USECASE_RECORD = 1; // 0x1
diff --git a/core/java/android/hardware/camera2/CameraCharacteristics.java b/core/java/android/hardware/camera2/CameraCharacteristics.java
index 7ae673c1eded..c39796b881ca 100644
--- a/core/java/android/hardware/camera2/CameraCharacteristics.java
+++ b/core/java/android/hardware/camera2/CameraCharacteristics.java
@@ -336,6 +336,7 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri
* <li>{@link RecommendedStreamConfigurationMap#USECASE_SNAPSHOT}</li>
* <li>{@link RecommendedStreamConfigurationMap#USECASE_RAW}</li>
* <li>{@link RecommendedStreamConfigurationMap#USECASE_ZSL}</li>
+ * <li>{@link RecommendedStreamConfigurationMap#USECASE_LOW_LATENCY_SNAPSHOT}</li>
* </ul>
* </p>
*
@@ -400,7 +401,7 @@ public final class CameraCharacteristics extends CameraMetadata<CameraCharacteri
public @Nullable RecommendedStreamConfigurationMap getRecommendedStreamConfigurationMap(
@RecommendedStreamConfigurationMap.RecommendedUsecase int usecase) {
if (((usecase >= RecommendedStreamConfigurationMap.USECASE_PREVIEW) &&
- (usecase <= RecommendedStreamConfigurationMap.USECASE_RAW)) ||
+ (usecase <= RecommendedStreamConfigurationMap.USECASE_LOW_LATENCY_SNAPSHOT)) ||
((usecase >= RecommendedStreamConfigurationMap.USECASE_VENDOR_START) &&
(usecase < RecommendedStreamConfigurationMap.MAX_USECASE_COUNT))) {
if (mRecommendedConfigurations == null) {
diff --git a/core/java/android/hardware/camera2/impl/CameraMetadataNative.java b/core/java/android/hardware/camera2/impl/CameraMetadataNative.java
index 1cdf23530ddc..e909c0075f38 100644
--- a/core/java/android/hardware/camera2/impl/CameraMetadataNative.java
+++ b/core/java/android/hardware/camera2/impl/CameraMetadataNative.java
@@ -1113,8 +1113,10 @@ public class CameraMetadataNative implements Parcelable {
depthStreamDurationList.get(i), depthStreamStallList.get(i), depthScData);
}
- if ((scData.streamConfigurationArray == null) &&
- (depthScData.streamConfigurationArray == null)) {
+ if ((scData.streamConfigurationArray == null ||
+ scData.streamConfigurationArray.length == 0) &&
+ (depthScData.streamConfigurationArray == null ||
+ depthScData.streamConfigurationArray.length == 0)) {
recommendedConfigurations.add(null);
continue;
}
@@ -1125,6 +1127,7 @@ public class CameraMetadataNative implements Parcelable {
switch (i) {
case RecommendedStreamConfigurationMap.USECASE_PREVIEW:
case RecommendedStreamConfigurationMap.USECASE_RAW:
+ case RecommendedStreamConfigurationMap.USECASE_LOW_LATENCY_SNAPSHOT:
case RecommendedStreamConfigurationMap.USECASE_VIDEO_SNAPSHOT:
map = new StreamConfigurationMap(scData.streamConfigurationArray,
scData.minDurationArray, scData.stallDurationArray,
diff --git a/core/java/android/hardware/camera2/params/RecommendedStreamConfigurationMap.java b/core/java/android/hardware/camera2/params/RecommendedStreamConfigurationMap.java
index 068c0ce8d052..b659c86f7e0f 100644
--- a/core/java/android/hardware/camera2/params/RecommendedStreamConfigurationMap.java
+++ b/core/java/android/hardware/camera2/params/RecommendedStreamConfigurationMap.java
@@ -137,6 +137,17 @@ public final class RecommendedStreamConfigurationMap {
public static final int USECASE_RAW = 0x5;
/**
+ * The recommended stream configuration map for use case low latency snapshot must contain
+ * subset of configurations with end-to-end latency that does not exceed 200 ms. under standard
+ * operating conditions (reasonable light levels, not loaded system). The expected output format
+ * will be primarily {@link android.graphics.ImageFormat#JPEG} however other image formats can
+ * be present as well. Even if available for the camera device, high speed and input
+ * configurations will be absent. This suggested configuration map may be absent on some devices
+ * that can not support any low latency requests.
+ */
+ public static final int USECASE_LOW_LATENCY_SNAPSHOT = 0x6;
+
+ /**
* Device specific use cases.
* @hide
*/
@@ -150,7 +161,8 @@ public final class RecommendedStreamConfigurationMap {
USECASE_VIDEO_SNAPSHOT,
USECASE_SNAPSHOT,
USECASE_ZSL,
- USECASE_RAW })
+ USECASE_RAW,
+ USECASE_LOW_LATENCY_SNAPSHOT})
public @interface RecommendedUsecase {};
/**