Strip out metadata chunks.

Original commit message from CVS:
Strip out metadata chunks.

1 files changed, 9 insertions, 4 deletions

diff --git a/ext/metadata/metadataparse.h b/ext/metadata/metadataparse.h
index 4534f12a..98c1714d 100644
--- a/ext/metadata/metadataparse.h
+++ b/ext/metadata/metadataparse.h
@@ -45,6 +45,7 @@
 #define __METADATAPARSE_H__
 
 #include <gst/base/gstadapter.h>
+#include "metadataparsetypes.h"
 
 #include "metadataparsejpeg.h"
 #include "metadataparsepng.h"
@@ -78,14 +79,15 @@ typedef struct _tag_ParseData
   ParseState state;
   ImageType img_type;
   ParseOption option;
+  guint32 offset; /* offset since begining of stream */
   union
   {
     JpegData jpeg;
     PngData png;
   } format_data;
-  GstAdapter *adpt_exif;
-  GstAdapter *adpt_iptc;
-  GstAdapter *adpt_xmp;
+  MetadataChunk exif;
+  MetadataChunk iptc;
+  MetadataChunk xmp;
 } ParseData;
 
 #define PARSE_DATA_IMG_TYPE(p) (p).img_type
@@ -96,7 +98,10 @@ typedef struct _tag_ParseData
 extern void metadataparse_init (ParseData * parse_data);
 
 /*
- * offset: number of bytes to jump (just a hint to jump a chunk)
+ * offset: number of bytes that MUST be jumped after current "buf" pointer
+ * next_size: number of minimum amount of bytes required on next step.
+ *            if less than this is provided, the return will be 1 for sure.
+ *            and the offset will be 0 (zero)
  * return:
  *   -1 -> error
  *    0 -> done