From: Kevin P. Fleming <kpfleming@digium.com>
Date: Mon, 30 Oct 2006 22:27:56 +0000 (+0000)
Subject: Merged revisions 46526 via svnmerge from
X-Git-Tag: 1.6.0-beta1~3^2~4212
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7afa6a1d013c416f21d6464e4b19308f7b973782;p=thirdparty%2Fasterisk.git

Merged revisions 46526 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r46526 | kpfleming | 2006-10-30 16:19:55 -0600 (Mon, 30 Oct 2006) | 3 lines

when unregistering a translator, don't rebuild the translation matrix unless needed
when filtering formats out of an offer, ensure we check for translation ability in both directions

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@46529 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/main/translate.c b/main/translate.c
index 189a9d8390..136537ea6c 100644
--- a/main/translate.c
+++ b/main/translate.c
@@ -655,18 +655,25 @@ int ast_unregister_translator(struct ast_translator *t)
 {
 	char tmp[80];
 	struct ast_translator *u;
+	int found = 0;
+
 	AST_LIST_LOCK(&translators);
 	AST_LIST_TRAVERSE_SAFE_BEGIN(&translators, u, list) {
 		if (u == t) {
 			AST_LIST_REMOVE_CURRENT(&translators, list);
 			if (option_verbose > 1)
 				ast_verbose(VERBOSE_PREFIX_2 "Unregistered translator '%s' from format %s to %s\n", term_color(tmp, t->name, COLOR_MAGENTA, COLOR_BLACK, sizeof(tmp)), ast_getformatname(1 << t->srcfmt), ast_getformatname(1 << t->dstfmt));
+			found = 1;
 			break;
 		}
 	}
 	AST_LIST_TRAVERSE_SAFE_END;
-	rebuild_matrix(0);
+
+	if (found)
+		rebuild_matrix(0);
+
 	AST_LIST_UNLOCK(&translators);
+
 	return (u ? 0 : -1);
 }
 
@@ -776,6 +783,11 @@ unsigned int ast_translate_available_formats(unsigned int dest, unsigned int src
 		   to this format, remove it from the result */
 		if (!tr_matrix[src_audio][powerof(x)].step)
 			res &= ~x;
+
+		/* now check the opposite direction */
+		if (!tr_matrix[powerof(x)][src_audio].step)
+			res &= ~x;
+
 	}
 
 	/* For a given source video format, traverse the list of
@@ -796,6 +808,10 @@ unsigned int ast_translate_available_formats(unsigned int dest, unsigned int src
 		   to this format, remove it from the result */
 		if (!tr_matrix[src_video][powerof(x)].step)
 			res &= ~x;
+
+		/* now check the opposite direction */
+		if (!tr_matrix[powerof(x)][src_video].step)
+			res &= ~x;
 	}
 
 	AST_LIST_UNLOCK(&translators);