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Merged revisions 149062 via svnmerge from

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https://origsvn.digium.com/svn/asterisk/trunk

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  r149062 | tilghman | 2008-10-14 15:16:48 -0500 (Tue, 14 Oct 2008) | 13 lines
  
  Merged revisions 149061 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.4
  
  ........
    r149061 | tilghman | 2008-10-14 15:09:06 -0500 (Tue, 14 Oct 2008) | 6 lines
    
    Check correct values in the return of ast_waitfor(); also, get rid of a
    possible memory leak.
    (closes issue #13658)
     Reported by: explidous
     Patch by: me
  ........
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.1@149063 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2008-10-14 20:17:34 +00:00
parent 7ffd0b0fcf
commit 80b2a0379f
1 changed files with 16 additions and 23 deletions
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39
apps/app_waitforsilence.c
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@@ -81,7 +81,7 @@ static char *descrip_noise =
"Wait for Noise: The same as Wait for Silance but waits for noise that is above the threshold specified\n";
static int do_waiting(struct ast_channel *chan, int timereqd, time_t waitstart, int timeout, int wait_for_silence) {
struct ast_frame *f;
struct ast_frame *f = NULL;
int dsptime = 0;
int rfmt = 0;
int res = 0;
@@ -93,57 +93,50 @@ static int do_waiting(struct ast_channel *chan, int timereqd, time_t waitstart,
wait_for_silence ? ast_dsp_silence : ast_dsp_noise;
rfmt = chan->readformat; /* Set to linear mode */
res = ast_set_read_format(chan, AST_FORMAT_SLINEAR);
if (res < 0) {
if ((res = ast_set_read_format(chan, AST_FORMAT_SLINEAR)) < 0) {
ast_log(LOG_WARNING, "Unable to set channel to linear mode, giving up\n");
return -1;
}
sildet = ast_dsp_new(); /* Create the silence detector */
if (!sildet) {
/* Create the silence detector */
if (!(sildet = ast_dsp_new())) {
ast_log(LOG_WARNING, "Unable to create silence detector :(\n");
return -1;
}
ast_dsp_set_threshold(sildet, ast_dsp_get_threshold_from_settings(THRESHOLD_SILENCE));
/* Await silence... */
f = NULL;
for(;;) {
for (;;) {
/* Start with no silence received */
dsptime = 0;
res = ast_waitfor(chan, timereqd);
/* Must have gotten a hangup; let's exit */
if (res <= 0) {
f = NULL;
if (res < 0) {
pbx_builtin_setvar_helper(chan, "WAITSTATUS", "HANGUP");
break;
}
/* We waited and got no frame; sounds like digital silence or a muted digital channel */
if (!res) {
if (res == 0) {
dsptime = timereqd;
} else {
/* Looks like we did get a frame, so let's check it out */
f = ast_read(chan);
if (!f)
if (!(f = ast_read(chan))) {
pbx_builtin_setvar_helper(chan, "WAITSTATUS", "HANGUP");
break;
if (f && f->frametype == AST_FRAME_VOICE) {
ast_dsp_func(sildet, f, &dsptime);
ast_frfree(f);
}
if (f->frametype == AST_FRAME_VOICE) {
ast_dsp_func(sildet, f, &dsptime);
}
ast_frfree(f);
}
if (wait_for_silence)
ast_verb(6, "Got %dms silence < %dms required\n", dsptime, timereqd);
else
ast_verb(6, "Got %dms noise < %dms required\n", dsptime, timereqd);
ast_verb(6, "Got %dms %s < %dms required\n", dsptime, wait_for_silence ? "silence" : "noise", timereqd);
if (dsptime >= timereqd) {
if (wait_for_silence)
ast_verb(3, "Exiting with %dms silence >= %dms required\n", dsptime, timereqd);
else
ast_verb(3, "Exiting with %dms noise >= %dms required\n", dsptime, timereqd);
ast_verb(3, "Exiting with %dms %s >= %dms required\n", dsptime, wait_for_silence ? "silence" : "noise", timereqd);
/* Ended happily with silence */
res = 1;
pbx_builtin_setvar_helper(chan, "WAITSTATUS", wait_for_silence ? "SILENCE" : "NOISE");