https://origsvn.digium.com/svn/asterisk/branches/1.2
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r38347 | kpfleming | 2006-07-27 10:40:03 -0500 (Thu, 27 Jul 2006) | 2 lines
do a better job avoiding translation path teardown/setup when not needed
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@38348
65c4cc65-6c06-0410-ace0-
fbb531ad65f3
/* Make sure we only consider audio */
fmt &= AST_FORMAT_AUDIO_MASK;
- /* if already in the desired format nothing to do here */
- if (*format == fmt)
- return 0;
-
native = chan->nativeformats;
/* Find a translation path from the native format to one of the desired formats */
if (!direction)
/* Now we have a good choice for both. */
ast_channel_lock(chan);
+
+ if ((*rawformat == native) && (*format == fmt)) {
+ /* the channel is already in these formats, so nothing to do */
+ ast_channel_unlock(chan);
+ return 0;
+ }
+
*rawformat = native;
/* User perspective is fmt */
*format = fmt;