commit 5f268f367324120071a65c0f8e79b96ecf31a797
author Emilian Peev <epeev@google.com> Wed Sep 09 17:29:48 2020 -0700
committer Emilian Peev <epeev@google.com> Wed Sep 09 17:31:50 2020 -0700
tree 521537d317210a38a28682dabb36b330774e0ab0
parent c20a6c850c21e3d42d8d2bcec408fca71a3a757a

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

camera/CameraMetadata.cpp

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__);