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-rw-r--r--src/android/camera_metadata.cpp20
-rw-r--r--src/android/camera_metadata.h4
2 files changed, 24 insertions, 0 deletions
diff --git a/src/android/camera_metadata.cpp b/src/android/camera_metadata.cpp
index 3fc7cf27..075b6a22 100644
--- a/src/android/camera_metadata.cpp
+++ b/src/android/camera_metadata.cpp
@@ -121,6 +121,26 @@ bool CameraMetadata::resize(size_t count, size_t size)
return true;
}
+template<> bool CameraMetadata::entryContains(uint32_t tag, uint8_t value) const
+{
+ camera_metadata_ro_entry_t entry;
+ if (!getEntry(tag, &entry))
+ return false;
+
+ for (unsigned int i = 0; i < entry.count; i++) {
+ if (entry.data.u8[i] == value)
+ return true;
+ }
+
+ return false;
+}
+
+bool CameraMetadata::hasEntry(uint32_t tag) const
+{
+ camera_metadata_ro_entry_t entry;
+ return getEntry(tag, &entry);
+}
+
bool CameraMetadata::addEntry(uint32_t tag, const void *data, size_t count,
size_t elementSize)
{
diff --git a/src/android/camera_metadata.h b/src/android/camera_metadata.h
index 3b7c9e24..03b3e701 100644
--- a/src/android/camera_metadata.h
+++ b/src/android/camera_metadata.h
@@ -29,6 +29,10 @@ public:
bool isValid() const { return valid_; }
bool getEntry(uint32_t tag, camera_metadata_ro_entry_t *entry) const;
+ template<typename T> bool entryContains(uint32_t tag, T value) const;
+
+ bool hasEntry(uint32_t tag) const;
+
template<typename T,
std::enable_if_t<std::is_arithmetic_v<T>> * = nullptr>
bool addEntry(uint32_t tag, const T &data)