@@ -46,6 +46,33 @@ bool CameraMetadata::addEntry(uint32_t tag, const void *data, size_t count)
return false;
}
+bool CameraMetadata::updateEntry(uint32_t tag, const void *data, size_t count)
+{
+ if (!valid_)
+ return false;
+
+ camera_metadata_entry_t entry;
+ int ret = find_camera_metadata_entry(metadata_, tag, &entry);
+ if (ret) {
+ const char *name = get_camera_metadata_tag_name(tag);
+ LOG(CameraMetadata, Error)
+ << "Failed to update tag "
+ << (name ? name : "<unknown>") << ": not present";
+ return false;
+ }
+
+ ret = update_camera_metadata_entry(metadata_, entry.index, data,
+ count, nullptr);
+ if (ret) {
+ const char *name = get_camera_metadata_tag_name(tag);
+ LOG(CameraMetadata, Error)
+ << "Failed to update tag " << (name ? name : "<unknown>");
+ return false;
+ }
+
+ return true;
+}
+
camera_metadata_t *CameraMetadata::get()
{
return valid_ ? metadata_ : nullptr;
@@ -19,6 +19,7 @@ public:
bool isValid() const { return valid_; }
bool addEntry(uint32_t tag, const void *data, size_t data_count);
+ bool updateEntry(uint32_t tag, const void *data, size_t data_count);
camera_metadata_t *get();
const camera_metadata_t *get() const;