From 929954f595220293179b7ce22f563f1707934566 Mon Sep 17 00:00:00 2001
From: Edgard Lima <edgard.lima@indt.org.br>
Date: Thu, 1 Nov 2007 16:04:29 +0000
Subject: Some XMP stuff added.

Original commit message from CVS:
Some XMP stuff added.
---
 ext/metadata/metadataparsexmp.c | 74 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 73 insertions(+), 1 deletion(-)

(limited to 'ext/metadata/metadataparsexmp.c')

diff --git a/ext/metadata/metadataparsexmp.c b/ext/metadata/metadataparsexmp.c
index 5af6bd62..9b583002 100644
--- a/ext/metadata/metadataparsexmp.c
+++ b/ext/metadata/metadataparsexmp.c
@@ -42,13 +42,18 @@
  */
 
 #include "metadataparsexmp.h"
+#include "metadataparseutil.h"
 
 GST_DEBUG_CATEGORY (gst_metadata_parse_xmp_debug);
 #define GST_CAT_DEFAULT gst_metadata_parse_xmp_debug
 
+#define GST_TAG_XMP "xmp"
+
 void
 metadataparse_xmp_tags_register (void)
 {
+  gst_tag_register (GST_TAG_XMP, GST_TAG_FLAG_META,
+      GST_TYPE_BUFFER, GST_TAG_XMP, "xmp metadata chunk", NULL);
 }
 
 #ifndef HAVE_XMP
@@ -60,16 +65,83 @@ metadataparse_xmp_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
 
   GST_LOG ("XMP not defined, here I should send just one tag as whole chunk");
 
+  metadataparse_tag_list_add_chunk (taglist, mode, GST_TAG_XMP, adapter);
+
+}
+
+gboolean
+metadataparse_xmp_init (void)
+{
+  return TRUE;
+}
+
+void
+metadataparse_xmp_dispose (void)
+{
+  return;
 }
 
 #else /* ifndef HAVE_XMP */
 
+#include <xmp.h>
+
+gboolean
+metadataparse_xmp_init (void)
+{
+  return xmp_init ();
+}
+
+void
+metadataparse_xmp_dispose (void)
+{
+  xmp_terminate ();
+}
+
 void
 metadataparse_xmp_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
     GstAdapter * adapter)
 {
+  const guint8 *buf;
+  guint32 size;
+  XmpPtr *xmp = NULL;
+  XmpStringPtr xmp_str = NULL;
+
+  if (adapter == NULL || (size = gst_adapter_available (adapter)) == 0) {
+    goto done;
+  }
+
+  /* add chunk tag */
+  metadataparse_tag_list_add_chunk (taglist, mode, GST_TAG_XMP, adapter);
+
+  buf = gst_adapter_peek (adapter, size);
+
+  buf += 29;                    /* jump "http://ns.adobe.com/xap/1.0/" */
+  size -= 29;
+
+  xmp = xmp_new (buf, size);
+  if (!xmp)
+    goto done;
+
+  xmp_str = xmp_string_new ();
+  if (!xmp_str)
+    goto done;
+
+  xmp_serialize (xmp, xmp_str, XMP_SERIAL_ENCODEUTF8, 2);
+
+
+  GST_LOG (xmp_string_cstr (xmp_str));
+
+done:
+
+  if (xmp_str) {
+    xmp_string_free (xmp_str);
+  }
+
+  if (xmp) {
+    xmp_free (xmp);
+  }
 
-  GST_LOG ("XMP still not implemented");
+  return;
 
 }
 
-- 
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