[asterisk-commits] file: branch group/media_formats r406168 - in /team/group/media_formats: incl...

[SVN commits to the Asterisk project]

Author: file
Date: Wed Jan 22 09:58:16 2014
New Revision: 406168

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=406168
Log:
Add a destroy callback to the format interface and improve ast_format_joint performance.

Modified:
    team/group/media_formats/include/asterisk/format_ng.h
    team/group/media_formats/main/format_ng.c

Modified: team/group/media_formats/include/asterisk/format_ng.h
URL: http://svnview.digium.com/svn/asterisk/team/group/media_formats/include/asterisk/format_ng.h?view=diff&rev=406168&r1=406167&r2=406168
==============================================================================
--- team/group/media_formats/include/asterisk/format_ng.h (original)
+++ team/group/media_formats/include/asterisk/format_ng.h Wed Jan 22 09:58:16 2014
@@ -41,6 +41,11 @@
 
 /*! \brief Optional format interface to extend format operations */
 struct ast_format_interface {
+	/*!
+	 * \brief Callback for when the format is destroyed, used to release attribute resources
+	 */
+	void (*const format_destroy)(struct ast_format *format);
+
 	/*!
 	 * \brief Determine if format 1 is a subset of format 2.
 	 *

Modified: team/group/media_formats/main/format_ng.c
URL: http://svnview.digium.com/svn/asterisk/team/group/media_formats/main/format_ng.c?view=diff&rev=406168&r1=406167&r2=406168
==============================================================================
--- team/group/media_formats/main/format_ng.c (original)
+++ team/group/media_formats/main/format_ng.c Wed Jan 22 09:58:16 2014
@@ -41,6 +41,11 @@
 {
 	struct ast_format *format = obj;
 
+	if (format->interface) {
+		format->interface->format_destroy(format);
+		ao2_ref(format->interface, -1);
+	}
+
 	ao2_cleanup(format->codec);
 }
 
@@ -77,10 +82,11 @@
 		return NULL;
 	}
 
-	/* If no attribute data exists these are the same format, and thus we don't need to
-	 * create a new one - we can just return one of them with reference count bumped!
+	/* If the two formats are the same structure OR if the codec is the same and no attributes
+	 * exist we can immediately return a format with reference count bumped up, since they are
+	 * the same.
 	 */
-	if (!format1->attribute_data && !format2->attribute_data) {
+	if ((format1 == format2) || (!format1->attribute_data && !format2->attribute_data)) {
 		return ao2_bump((struct ast_format*)format1);
 	}