gst/qtdemux/: Don't assume tags are encoded as UTF-8 (#473670).

Original commit message from CVS:
* gst/qtdemux/Makefile.am:
* gst/qtdemux/qtdemux.c:
Don't assume tags are encoded as UTF-8 (#473670).

ChangeLog

+2007-09-05  Tim-Philipp Müller  <tim at centricular dot net>
+
+	* gst/qtdemux/Makefile.am:
+	* gst/qtdemux/qtdemux.c:
+	  Don't assume tags are encoded as UTF-8 (#473670).
+
 2007-09-05  Tim-Philipp Müller  <tim at centricular dot net>
 
 	* sys/v4l2/gstv4l2src.c:

gst/qtdemux/Makefile.am

@@ -2,8 +2,9 @@
 plugin_LTLIBRARIES = libgstqtdemux.la
 
 libgstqtdemux_la_CFLAGS = ${GST_CFLAGS} $(GST_PLUGINS_BASE_CFLAGS) 
-libgstqtdemux_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(ZLIB_LIBS) \
-                      -lgstrtp-@GST_MAJORMINOR@
+libgstqtdemux_la_LIBADD = \
+	$(GST_PLUGINS_BASE_LIBS) -lgstrtp-@GST_MAJORMINOR@ -lgsttag-@GST_MAJORMINOR@ \
+	$(GST_BASE_LIBS) $(ZLIB_LIBS)
 libgstqtdemux_la_LDFLAGS = ${GST_PLUGIN_LDFLAGS} 
 libgstqtdemux_la_SOURCES = quicktime.c gstrtpxqtdepay.c qtdemux.c qtdemux_types.c qtdemux_dump.c
 

gst/qtdemux/qtdemux.c

@@ -51,6 +51,8 @@
 
 #include "gst/gst-i18n-plugin.h"
 
+#include <gst/tag/tag.h>
+
 #include "qtdemux_types.h"
 #include "qtdemux_dump.h"
 #include "qtdemux_fourcc.h"
@@ -3268,6 +3270,7 @@ unknown_stream:
 static void
 qtdemux_tag_add_str (GstQTDemux * qtdemux, const char *tag, GNode * node)
 {
+  const gchar *env_vars[] = { "GST_QT_TAG_ENCODING", "GST_TAG_ENCODING", NULL };
   GNode *data;
   char *s;
   int len;
@@ -3278,10 +3281,16 @@ qtdemux_tag_add_str (GstQTDemux * qtdemux, const char *tag, GNode * node)
     len = QT_UINT32 (data->data);
     type = QT_UINT32 ((guint8 *) data->data + 8);
     if (type == 0x00000001) {
-      s = g_strndup ((char *) data->data + 16, len - 16);
-      GST_DEBUG_OBJECT (qtdemux, "adding tag %s", s);
-      gst_tag_list_add (qtdemux->tag_list, GST_TAG_MERGE_REPLACE, tag, s, NULL);
-      g_free (s);
+      s = gst_tag_freeform_string_to_utf8 ((char *) data->data + 16, len - 16,
+          env_vars);
+      if (s) {
+        GST_DEBUG_OBJECT (qtdemux, "adding tag %s", GST_STR_NULL (s));
+        gst_tag_list_add (qtdemux->tag_list, GST_TAG_MERGE_REPLACE, tag, s,
+            NULL);
+        g_free (s);
+      } else {
+        GST_DEBUG_OBJECT (qtdemux, "failed to convert %s tag to UTF-8", tag);
+      }
     }
   }
 }