From f322740ef9fd2839ce0e6a2248d48c618a5bf0cf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Sat, 20 May 2017 19:42:51 +0300
Subject: [PATCH] parse: Make gst_parse_context_copy() public for bindings

---
 docs/gst/gstreamer-sections.txt |  1 +
 gst/gstparse.c                  | 48 +++++++++++++++++++--------------
 gst/gstparse.h                  |  3 +++
 win32/common/libgstreamer.def   |  1 +
 4 files changed, 33 insertions(+), 20 deletions(-)

diff --git a/docs/gst/gstreamer-sections.txt b/docs/gst/gstreamer-sections.txt
index 2efe9d216f..190570b06a 100644
--- a/docs/gst/gstreamer-sections.txt
+++ b/docs/gst/gstreamer-sections.txt
@@ -2247,6 +2247,7 @@ gst_parse_bin_from_description
 gst_parse_bin_from_description_full
 <SUBSECTION>
 gst_parse_context_new
+gst_parse_context_copy
 gst_parse_context_free
 gst_parse_context_get_missing_elements
 <SUBSECTION Standard>
diff --git a/gst/gstparse.c b/gst/gstparse.c
index 4838d5c9a5..f1f0c22679 100644
--- a/gst/gstparse.c
+++ b/gst/gstparse.c
@@ -45,26 +45,6 @@
 #include "parse/types.h"
 #endif
 
-static GstParseContext *
-gst_parse_context_copy (const GstParseContext * context)
-{
-  GstParseContext *ret = NULL;
-#ifndef GST_DISABLE_PARSE
-
-  ret = gst_parse_context_new ();
-  if (context) {
-    GQueue missing_copy = G_QUEUE_INIT;
-    GList *l;
-
-    for (l = context->missing_elements; l != NULL; l = l->next)
-      g_queue_push_tail (&missing_copy, g_strdup ((const gchar *) l->data));
-
-    ret->missing_elements = missing_copy.head;
-  }
-#endif
-  return ret;
-}
-
 G_DEFINE_BOXED_TYPE (GstParseContext, gst_parse_context,
     (GBoxedCopyFunc) gst_parse_context_copy,
     (GBoxedFreeFunc) gst_parse_context_free);
@@ -113,6 +93,34 @@ gst_parse_context_new (void)
 #endif
 }
 
+/**
+ * gst_parse_context_copy:
+ * @context: a #GstParseContext
+ *
+ * Copies the @context.
+ *
+ * Returns: (transfer full): A copied #GstParseContext
+ */
+GstParseContext *
+gst_parse_context_copy (const GstParseContext * context)
+{
+  GstParseContext *ret = NULL;
+#ifndef GST_DISABLE_PARSE
+
+  ret = gst_parse_context_new ();
+  if (context) {
+    GQueue missing_copy = G_QUEUE_INIT;
+    GList *l;
+
+    for (l = context->missing_elements; l != NULL; l = l->next)
+      g_queue_push_tail (&missing_copy, g_strdup ((const gchar *) l->data));
+
+    ret->missing_elements = missing_copy.head;
+  }
+#endif
+  return ret;
+}
+
 /**
  * gst_parse_context_free:
  * @context: (transfer full): a #GstParseContext
diff --git a/gst/gstparse.h b/gst/gstparse.h
index 2d80f86d2a..3b14da7e71 100644
--- a/gst/gstparse.h
+++ b/gst/gstparse.h
@@ -108,6 +108,9 @@ gchar          ** gst_parse_context_get_missing_elements (GstParseContext * cont
 GST_EXPORT
 void              gst_parse_context_free (GstParseContext * context);
 
+GST_EXPORT
+GstParseContext * gst_parse_context_copy (const GstParseContext * context);
+
 
 /* parse functions */
 
diff --git a/win32/common/libgstreamer.def b/win32/common/libgstreamer.def
index 3fe1b4619d..76d05a747f 100644
--- a/win32/common/libgstreamer.def
+++ b/win32/common/libgstreamer.def
@@ -978,6 +978,7 @@ EXPORTS
 	gst_parent_buffer_meta_get_info
 	gst_parse_bin_from_description
 	gst_parse_bin_from_description_full
+	gst_parse_context_copy
 	gst_parse_context_free
 	gst_parse_context_get_missing_elements
 	gst_parse_context_get_type