Initial commit of libdynamic_depth

Dynamic depth is a standard for embedding depth maps and
other similar extensions into standard image files like JPEG.

Test: m libdynamic_depth
Bug: 109735087
Bug: 119211681
Change-Id: I0103b7d47e60dc8e3a3b277456903d76f727926f

1 files changed, 34 insertions, 0 deletions

diff --git a/includes/dynamic_depth/dynamic_depth.h b/includes/dynamic_depth/dynamic_depth.h
new file mode 100644
index 0000000..40a0db7
--- /dev/null
+++ b/includes/dynamic_depth/dynamic_depth.h
@@ -0,0 +1,34 @@
+#ifndef DYNAMIC_DEPTH_INCLUDES_DYNAMIC_DEPTH_DYNAMIC_DEPTH_H_  // NOLINT
+#define DYNAMIC_DEPTH_INCLUDES_DYNAMIC_DEPTH_DYNAMIC_DEPTH_H_  // NOLINT
+
+#include "dynamic_depth/device.h"
+#include "xmpmeta/xmp_writer.h"
+
+namespace photos_editing_formats {
+namespace dynamic_depth {
+
+// Serialize a JPEG image, its Dynamic Depth metadata, and GContainer files
+// if applicable.
+bool WriteImageAndMetadataAndContainer(const string& out_filename,
+                                       const uint8_t* primary_image_bytes,
+                                       size_t primary_image_bytes_count,
+                                       Device* device);
+
+// Retrieves the contents of a Container:Item's associated file. The contents
+// are populated into out_payload.
+// As per the Dynamic Depth spec, file contents are base64-encoded if they're
+// of an image/ mime type, and not if they're of a text/ mime type. Dynamic
+// Depth elements that use Container:Item will haev handled this appropriately
+// on item construction.
+bool GetItemPayload(const string& input_image_filename,
+                    const Container* container, const string& item_uri,
+                    string* out_payload);
+
+// Convenience method for the aboove.
+bool GetItemPayload(const string& input_image_filename, const Device* device,
+                    const string& item_uri, string* out_payload);
+
+}  // namespace dynamic_depth
+}  // namespace photos_editing_formats
+
+#endif // DYNAMIC_DEPTH_INCLUDES_DYNAMIC_DEPTH_DYNAMIC_DEPTH_H_  // NOLINT