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Numerous little changes to spandsp that haven't been pushed to Freeswitch for a

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while. The only big changes are a majorly rewritten V.42 and V.42bis which are
now basically functional.
This commit is contained in:
Steve Underwood
2011-07-02 14:45:27 +08:00
parent 6f62f39139
commit d30e82e226
68 changed files with 2517 additions and 2118 deletions
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4
libs/spandsp/src/power_meter.c
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@@ -122,7 +122,7 @@ SPAN_DECLARE(float) power_meter_current_dbm0(power_meter_t *s)
if (s->reading <= 0)
return -96.329f + DBM0_MAX_POWER;
/* This is based on A-law, but u-law is only 0.03dB different, so don't worry. */
return log10f((float) s->reading/(32767.0f*32767.0f))*10.0f + DBM0_MAX_POWER;
return 10.0f*log10f((float) s->reading/(32767.0f*32767.0f) + 1.0e-10f) + DBM0_MAX_POWER;
}
/*- End of function --------------------------------------------------------*/
@@ -130,7 +130,7 @@ SPAN_DECLARE(float) power_meter_current_dbov(power_meter_t *s)
{
if (s->reading <= 0)
return -96.329f;
return log10f((float) s->reading/(32767.0f*32767.0f))*10.0f;
return 10.0f*log10f((float) s->reading/(32767.0f*32767.0f) + 1.0e-10f);
}
/*- End of function --------------------------------------------------------*/