diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | ext/metadata/metadataparsexmp.c | 119 |
2 files changed, 119 insertions, 9 deletions
@@ -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: diff --git a/ext/metadata/metadataparsexmp.c b/ext/metadata/metadataparsexmp.c index aa503d35..0b73f2f0 100644 --- a/ext/metadata/metadataparsexmp.c +++ b/ext/metadata/metadataparsexmp.c @@ -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) - goto done; + xmp_iter = xmp_iterator_new (xmp, NULL, NULL, XMP_ITER_JUSTCHILDREN); - xmp_serialize (xmp, xmp_str, XMP_SERIAL_ENCODEUTF8, 2); + if (!xmp_iter) + goto done; - 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) */ |