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Extracting more detailed info from XMP.

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Original commit message from CVS:
Extracting more detailed info from XMP.
This commit is contained in:
Edgard Lima 2007-11-09 15:53:13 +00:00
parent 4c7ff9a4ae
commit 912538f37a
2 changed files with 119 additions and 9 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2007-11-09 Edgard Lima <edgard.lima@indt.org.br>
* ext/metadata/metadataparsexmp.c:
(metadataparse_xmp_tag_list_add),
(metadataparse_xmp_iter_simple_qual),
(metadataparse_xmp_iter_simple), (metadataparse_xmp_iter_array),
(metadataparse_xmp_iter):
Extracting more detailed info from XMP.
2007-11-08 Stefan Kost <ensonic@users.sf.net>
* gst/equalizer/demo.c:

119
ext/metadata/metadataparsexmp.c
View file

@ -85,6 +85,17 @@ metadataparse_xmp_dispose (void)
#include <xmp.h>
#define XMP_SCHEMA_NODE 0x80000000UL
void
metadataparse_xmp_iter_array (XmpPtr xmp, const char *schema, const char *path);
static void
metadataparse_xmp_iter_simple (const char *schema, const char *path,
const char *value);
static void metadataparse_xmp_iter (XmpPtr xmp, XmpIteratorPtr iter);
gboolean
metadataparse_xmp_init (void)
{
@ -103,8 +114,8 @@ metadataparse_xmp_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
{
const guint8 *buf;
guint32 size;
XmpPtr *xmp = NULL;
XmpStringPtr xmp_str = NULL;
XmpPtr xmp = NULL;
XmpIteratorPtr xmp_iter = NULL;
if (adapter == NULL || (size = gst_adapter_available (adapter)) == 0) {
goto done;
@ -119,18 +130,17 @@ metadataparse_xmp_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
if (!xmp)
goto done;
xmp_str = xmp_string_new ();
if (!xmp_str)
xmp_iter = xmp_iterator_new (xmp, NULL, NULL, XMP_ITER_JUSTCHILDREN);
if (!xmp_iter)
goto done;
xmp_serialize (xmp, xmp_str, XMP_SERIAL_ENCODEUTF8, 2);
GST_LOG (xmp_string_cstr (xmp_str));
metadataparse_xmp_iter (xmp, xmp_iter);
done:
if (xmp_str) {
xmp_string_free (xmp_str);
if (xmp_iter) {
xmp_iterator_free (xmp_iter);
}
if (xmp) {
@ -141,4 +151,95 @@ done:
}
void
metadataparse_xmp_iter_simple_qual (const char *schema, const char *path,
const char *value)
{
GString *string = g_string_new (path);
gchar *ch;
ch = string->str + string->len - 3;
while (ch != string->str) {
if (*ch == '[') {
*ch = '\0';
}
--ch;
}
GST_LOG (" %s = %s\n", string->str, value);
g_string_free (string, TRUE);
}
void
metadataparse_xmp_iter_simple (const char *schema, const char *path,
const char *value)
{
GST_LOG (" %s = %s\n", path, value);
}
void
metadataparse_xmp_iter_array (XmpPtr xmp, const char *schema, const char *path)
{
XmpIteratorPtr xmp_iter = NULL;
xmp_iter = xmp_iterator_new (xmp, schema, path, XMP_ITER_JUSTCHILDREN);
if (xmp_iter) {
metadataparse_xmp_iter (xmp, xmp_iter);
xmp_iterator_free (xmp_iter);
}
}
void
metadataparse_xmp_iter (XmpPtr xmp, XmpIteratorPtr iter)
{
XmpStringPtr xstr_schema = xmp_string_new ();
XmpStringPtr xstr_path = xmp_string_new ();
XmpStringPtr xstr_prop = xmp_string_new ();
uint32_t opt = 0;
while (xmp_iterator_next (iter, xstr_schema, xstr_path, xstr_prop, &opt)) {
const char *schema = xmp_string_cstr (xstr_schema);
const char *path = xmp_string_cstr (xstr_path);
const char *value = xmp_string_cstr (xstr_prop);
if (XMP_IS_NODE_SCHEMA (opt)) {
GST_LOG ("%s\n", schema);
metadataparse_xmp_iter_array (xmp, schema, path);
} else if (XMP_IS_PROP_SIMPLE (opt)) {
if (strcmp (path, "") != 0) {
if (XMP_HAS_PROP_QUALIFIERS (opt)) {
metadataparse_xmp_iter_simple_qual (schema, path, value);
} else {
metadataparse_xmp_iter_simple (schema, path, value);
}
}
} else if (XMP_IS_PROP_ARRAY (opt)) {
if (XMP_IS_ARRAY_ALTTEXT (opt)) {
metadataparse_xmp_iter_array (xmp, schema, path);
xmp_iterator_skip (iter, XMP_ITER_SKIPSUBTREE);
} else {
metadataparse_xmp_iter_array (xmp, schema, path);
xmp_iterator_skip (iter, XMP_ITER_SKIPSUBTREE);
}
}
}
if (xstr_prop) {
xmp_string_free (xstr_prop);
}
if (xstr_path) {
xmp_string_free (xstr_path);
}
if (xstr_schema) {
xmp_string_free (xstr_schema);
}
}
#endif /* else (ifndef HAVE_XMP) */