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New Feature for chan_dahdi. 4 length pattern matching.

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In chan_dahdi.conf, the user can now use length 4 patterns in addition to the usual length 2 patterns.  The s
ntax remains the same and the method used to track the pattern history will only change when using the length
 4 patterns.

(closes issue SWP-3250)
Code:
        jrose
        rmudgett


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@312384 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jonathan Rose
2011-04-01 17:01:01 +00:00
parent 3731fd9ccc
commit 846cfa0ef0
4 changed files with 108 additions and 30 deletions
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9
include/asterisk/dsp.h
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@@ -59,6 +59,13 @@
struct ast_dsp;
struct ast_dsp_busy_pattern {
/*! Number of elements. */
int length;
/*! Pattern elements in on/off time durations. */
int pattern[4];
};
enum threshold {
/* Array offsets */
THRESHOLD_SILENCE = 0,
@@ -76,7 +83,7 @@ void ast_dsp_set_threshold(struct ast_dsp *dsp, int threshold);
void ast_dsp_set_busy_count(struct ast_dsp *dsp, int cadences);
/*! \brief Set expected lengths of the busy tone */
void ast_dsp_set_busy_pattern(struct ast_dsp *dsp, int tonelength, int quietlength);
void ast_dsp_set_busy_pattern(struct ast_dsp *dsp, const struct ast_dsp_busy_pattern *cadence);
/*! \brief Scans for progress indication in audio */
int ast_dsp_call_progress(struct ast_dsp *dsp, struct ast_frame *inf);