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 189a9d8..136537e 100644 (file)
--- 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);