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Handle case where an unknown format is used to get the preferred codec size

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In ast_codec_pref_getsize, if an unknown format is passed to the method,
no preferred codec will be selected and a negative number will be used to
index into the format list.  The method now logs an unknown format as a
warning, and returns an empty format list.

(issue ASTERISK-19655)
Reported by: Matt Jordan

Review: https://reviewboard.asterisk.org/r/1863/
........

Merged revisions 362377 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@362380 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matthew Jordan
2012-04-17 21:23:25 +00:00
parent 016dfa01f1
commit 7b5eb159e9
1 changed files with 5 additions and 0 deletions
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5
main/format_pref.c
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@@ -274,6 +274,11 @@ struct ast_format_list ast_codec_pref_getsize(struct ast_codec_pref *pref, struc
}
}
if (idx < 0) {
ast_log(AST_LOG_WARNING, "Format %s unknown; unable to get preferred codec packet size\n", ast_getformatname(format));
return fmt;
}
for (x = 0; x < f_len; x++) {
if (pref->order[x] == (idx + 1)) {
framems = pref->framing[x];