From: Alexander Traud <pabstraud@compuserve.com>
Date: Mon, 9 Nov 2015 13:04:43 +0000 (+0100)
Subject: ast_format_cap: Avoid format creation on module load, use cache instead.
X-Git-Tag: 13.7.0-rc1~80^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f3ac4d8090207dd4440bf279e1d5ce4702aee314;p=thirdparty%2Fasterisk.git

ast_format_cap: Avoid format creation on module load, use cache instead.

Since Asterisk 13, formats are immutable and cached. However while loading a
module like chan_sip, some formats were created instead using cached ones.

ASTERISK-25535 #close

Change-Id: I479cdc220d5617c840a98f3389b3bd91e91fbd9b
---

diff --git a/main/format_cap.c b/main/format_cap.c
index 1725e38628..4739efa0a7 100644
--- a/main/format_cap.c
+++ b/main/format_cap.c
@@ -264,7 +264,10 @@ int ast_format_cap_append_by_type(struct ast_format_cap *cap, enum ast_media_typ
 			continue;
 		}
 
-		format = ast_format_create(codec);
+		format = ast_format_cache_get(codec->name);
+		if (!format || (codec != ast_format_get_codec(format))) {
+			format = ast_format_create(codec);
+		}
 		ao2_ref(codec, -1);
 
 		if (!format) {