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define a global null_frame object so when queueing a null frame, you don't

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have to allocate one on the stack


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@9001 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2006-01-31 17:18:58 +00:00
parent 18eac350af
commit e01861fafd
11 changed files with 51 additions and 64 deletions
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3
channels/chan_mgcp.c
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@@ -1219,12 +1219,11 @@ static struct ast_frame *mgcp_rtp_read(struct mgcp_subchannel *sub)
{
/* Retrieve audio/etc from channel. Assumes sub->lock is already held. */
struct ast_frame *f;
static struct ast_frame null_frame = { AST_FRAME_NULL, };
f = ast_rtp_read(sub->rtp);
/* Don't send RFC2833 if we're not supposed to */
if (f && (f->frametype == AST_FRAME_DTMF) && !(sub->parent->dtmfmode & MGCP_DTMF_RFC2833))
return &null_frame;
return &ast_null_frame;
if (sub->owner) {
/* We already hold the channel lock */
if (f->frametype == AST_FRAME_VOICE) {