Merged revisions 264204 via svnmerge from

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

........
  r264204 | tilghman | 2010-05-19 11:42:20 -0500 (Wed, 19 May 2010) | 9 lines
  
  Keep track of digit duration, when we're decoding inband to pass DTMF frames.
  
  (closes issue #17235)
   Reported by: frawd
   Patches: 
         new_dtmf_dsp_len.patch uploaded by frawd (license 610)
         20100518__issue17235.diff.txt uploaded by tilghman (license 14)
   Tested by: frawd
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@264205 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.6.2
Tilghman Lesher 15 years ago
parent a1f66d06e0
commit cd48e36e76

@ -274,6 +274,10 @@ typedef struct
{
char digits[MAX_DTMF_DIGITS + 1];
int current_digits;
/* Store lengths separately, because next digit may begin before last has
* ended (because hits_to_begin may be less than misses_to_end). */
int digitlen[MAX_DTMF_DIGITS + 1];
int current_len;
int detected_digits;
int lost_digits;
@ -511,6 +515,7 @@ static void ast_mf_detect_init (mf_detect_state_t *s)
static void ast_digit_detect_init(digit_detect_state_t *s, int mf)
{
s->current_digits = 0;
s->current_len = 0;
s->detected_digits = 0;
s->lost_digits = 0;
s->digits[0] = '\0';
@ -630,6 +635,7 @@ static void store_digit(digit_detect_state_t *s, char digit)
{
s->detected_digits++;
if (s->current_digits < MAX_DTMF_DIGITS) {
s->digitlen[s->current_digits] = 0;
s->digits[s->current_digits++] = digit;
s->digits[s->current_digits] = '\0';
} else {
@ -733,6 +739,8 @@ static int dtmf_detect(struct ast_dsp *dsp, digit_detect_state_t *s, int16_t amp
}
} else {
s->td.dtmf.misses = 0;
/* Current hit was same as last, so increment digit duration */
s->digitlen[s->current_len] += DTMF_GSIZE;
}
}
@ -1395,7 +1403,7 @@ struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp,
digit = dtmf_detect(dsp, &dsp->digit_state, shortdata, len, (dsp->digitmode & DSP_DIGITMODE_NOQUELCH) == 0, (dsp->digitmode & DSP_DIGITMODE_RELAXDTMF));
if (dsp->digit_state.current_digits) {
int event = 0;
int event = 0, event_len = 0;
char event_digit = 0;
if (!dsp->dtmf_began) {
@ -1412,9 +1420,12 @@ struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp,
if (dsp->features & DSP_FEATURE_DIGIT_DETECT) {
event = AST_FRAME_DTMF_END;
event_digit = dsp->digit_state.digits[0];
event_len = dsp->digit_state.digitlen[0] * 1000 / SAMPLE_RATE;
}
memmove(dsp->digit_state.digits, dsp->digit_state.digits + 1, dsp->digit_state.current_digits);
memmove(&dsp->digit_state.digits[0], &dsp->digit_state.digits[1], dsp->digit_state.current_digits);
dsp->digit_state.current_digits--;
memmove(&dsp->digit_state.digitlen[0], &dsp->digit_state.digitlen[1], dsp->digit_state.current_len * sizeof(dsp->digit_state.digitlen[0]));
dsp->digit_state.current_len--;
dsp->dtmf_began = 0;
if (dsp->features & DSP_FEATURE_BUSY_DETECT) {
@ -1429,6 +1440,7 @@ struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp,
memset(&dsp->f, 0, sizeof(dsp->f));
dsp->f.frametype = event;
dsp->f.subclass = event_digit;
dsp->f.len = event_len;
outf = &dsp->f;
goto done;
}

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