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Make faxdetect configurable and turn OFF by default

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3170 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2004-06-07 23:38:39 +00:00
parent ad49896f6b
commit 68c45465c8
3 changed files with 17 additions and 21 deletions
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21
dsp.c
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@@ -390,7 +390,7 @@ static void ast_mf_detect_init (mf_detect_state_t *s)
static int dtmf_detect (dtmf_detect_state_t *s,
int16_t amp[],
int samples,
int digitmode, int *writeback)
int digitmode, int *writeback, int faxdetect)
{
float row_energy[4];
@@ -639,21 +639,7 @@ static int dtmf_detect (dtmf_detect_state_t *s,
}
}
#ifdef FAX_DETECT
#ifdef OLD_DSP_ROUTINES
if (!hit && (fax_energy >= FAX_THRESHOLD) && (fax_energy > s->energy * 21.0)) {
fax_energy_2nd = goertzel_result(&s->fax_tone2nd);
fax_energy_2nd = goertzel_result(&s->fax_tone2nd);
if (fax_energy_2nd * FAX_2ND_HARMONIC < fax_energy) {
#if 0
printf("Fax energy/Second Harmonic: %f/%f\n", fax_energy, fax_energy_2nd);
#endif
/* XXX Probably need better checking than just this the energy XXX */
hit = 'f';
s->fax_hits++;
} /* Don't reset fax hits counter */
}
#else /* OLD_DSP_ROUTINES */
if (!hit && (fax_energy >= FAX_THRESHOLD) && (fax_energy >= DTMF_TO_TOTAL_ENERGY*s->energy)) {
if (!hit && (fax_energy >= FAX_THRESHOLD) && (fax_energy >= DTMF_TO_TOTAL_ENERGY*s->energy) && (faxdetect)) {
#if 0
printf("Fax energy/Second Harmonic: %f\n", fax_energy);
#endif
@@ -661,7 +647,6 @@ static int dtmf_detect (dtmf_detect_state_t *s,
hit = 'f';
s->fax_hits++;
}
#endif /* OLD_DSP_ROUTINES */
else {
if (s->fax_hits > 5) {
hit = 'f';
@@ -1057,7 +1042,7 @@ static int __ast_dsp_digitdetect(struct ast_dsp *dsp, short *s, int len, int *wr
if (dsp->digitmode & DSP_DIGITMODE_MF)
res = mf_detect(&dsp->td.mf, s, len, dsp->digitmode & DSP_DIGITMODE_RELAXDTMF, writeback);
else
res = dtmf_detect(&dsp->td.dtmf, s, len, dsp->digitmode & DSP_DIGITMODE_RELAXDTMF, writeback);
res = dtmf_detect(&dsp->td.dtmf, s, len, dsp->digitmode & DSP_DIGITMODE_RELAXDTMF, writeback, dsp->features & DSP_FEATURE_FAX_DETECT);
return res;
}