Camera: Support for metadata buffer size queries
Allow camera metadata clients to query the camera metadata
buffer size.
Bug: 168100424
Test: Camera CTS
Change-Id: I08773340850e91e2f0af8be6d77ee369adbb510f
diff --git a/camera/CameraMetadata.cpp b/camera/CameraMetadata.cpp
index 135384a..024311f 100644
--- a/camera/CameraMetadata.cpp
+++ b/camera/CameraMetadata.cpp
@@ -169,6 +169,11 @@
return entryCount() == 0;
}
+size_t CameraMetadata::bufferSize() const {
+ return (mBuffer == NULL) ? 0 :
+ get_camera_metadata_size(mBuffer);
+}
+
status_t CameraMetadata::sort() {
if (mLocked) {
ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
diff --git a/camera/include/camera/CameraMetadata.h b/camera/include/camera/CameraMetadata.h
index 9d1b5c7..e883ffa 100644
--- a/camera/include/camera/CameraMetadata.h
+++ b/camera/include/camera/CameraMetadata.h
@@ -128,6 +128,11 @@
bool isEmpty() const;
/**
+ * Return the allocated camera metadata buffer size in bytes.
+ */
+ size_t bufferSize() const;
+
+ /**
* Sort metadata buffer for faster find
*/
status_t sort();