buffer: more fixes

gst/gstbuffer.c

@@ -705,11 +705,12 @@ gst_buffer_unmap (GstBuffer * buffer, gpointer data, gsize size)
  * Copy @size bytes fro @src to @buffer at @offset.
  */
 void
-gst_buffer_fill (GstBuffer * buffer, gsize offset, gpointer src, gsize size)
+gst_buffer_fill (GstBuffer * buffer, gsize offset, gconstpointer src,
+    gsize size)
 {
   GPtrArray *arr = (GPtrArray *) buffer->memory;
   gsize i, len;
-  guint8 *ptr = src;
+  const guint8 *ptr = src;
 
   len = arr->len;
 

gst/gstbuffer.h

@@ -301,7 +301,7 @@ GstMemory * gst_buffer_peek_memory       (GstBuffer *buffer, guint idx);
 void        gst_buffer_remove_memory     (GstBuffer *buffer, guint idx);
 
 void        gst_buffer_fill              (GstBuffer *buffer, gsize offset,
-                                          gpointer src, gsize size);
+                                          gconstpointer src, gsize size);
 void        gst_buffer_extract           (GstBuffer *buffer, gsize offset,
                                           gpointer dest, gsize size);
 

libs/gst/check/Makefile.am

@@ -67,6 +67,7 @@ LIBGSTCHECK_EXPORTED_FUNCS = \
 	gst_buffer_straw_stop_pipeline \
 	gst_check_abi_list \
 	gst_check_caps_equal \
+	gst_check_buffer_data \
 	gst_check_chain_func \
 	gst_check_drop_buffers \
 	gst_check_element_push_buffer \

libs/gst/check/gstcheck.c

@@ -366,6 +366,26 @@ gst_check_caps_equal (GstCaps * caps1, GstCaps * caps2)
   g_free (name2);
 }
 
+
+/**
+ * gst_check_buffer_data:
+ * @buffer: buffer to compare
+ * @data: data to compare to
+ * @size: size of data to compare
+ *
+ * Compare the buffer contents with @data and @size.
+ */
+void
+gst_check_buffer_data (GstBuffer * buffer, gconstpointer data, gsize size)
+{
+  guint8 *bdata;
+  gsize bsize;
+
+  bdata = gst_buffer_map (buffer, &bsize, NULL, GST_MAP_READ);
+  fail_unless (memcmp (bdata, data, size) == 0, "buffer contents not equal");
+  gst_buffer_unmap (buffer, bdata, bsize);
+}
+
 /**
  * gst_check_element_push_buffer_list:
  * @element_name: name of the element that needs to be created

libs/gst/check/gstcheck.h

@@ -81,6 +81,7 @@ void gst_check_teardown_pad_by_name (GstElement * element, const gchar *name);
 void gst_check_teardown_src_pad (GstElement * element);
 void gst_check_drop_buffers (void);
 void gst_check_caps_equal (GstCaps * caps1, GstCaps * caps2);
+void gst_check_buffer_data (GstBuffer * buffer, gconstpointer data, gsize size);
 void gst_check_element_push_buffer_list (const gchar * element_name,
     GList * buffer_in, GList * buffer_out, GstFlowReturn last_flow_return);
 void gst_check_element_push_buffer (const gchar * element_name,

win32/common/libgstreamer.def

@@ -94,6 +94,7 @@ EXPORTS
 	gst_buffer_copy_into
 	gst_buffer_create_sub
 	gst_buffer_extract
+	gst_buffer_fill
 	gst_buffer_flag_get_type
 	gst_buffer_get_caps
 	gst_buffer_get_meta
@@ -138,6 +139,7 @@ EXPORTS
 	gst_buffer_remove_memory
 	gst_buffer_remove_meta
 	gst_buffer_set_caps
+	gst_buffer_set_size
 	gst_buffer_span
 	gst_buffer_take_memory
 	gst_buffer_try_new_and_alloc