AMPS: Minor fixes at DTX handling
This commit is contained in:
parent
8e67c3fda0
commit
a3835b001d
|
@ -819,13 +819,6 @@ void amps_rx_sat(amps_t *amps, int tone, double quality)
|
|||
amps_set_dsp_mode(amps, DSP_MODE_AUDIO_RX_FRAME_TX, 0);
|
||||
}
|
||||
|
||||
/* no SAT timeout handling during alerting */
|
||||
if (trans->state == TRANS_CALL_MT_ALERT
|
||||
|| trans->state == TRANS_CALL_MT_ALERT_SEND
|
||||
|| trans->state == TRANS_CALL_MT_ALERT_CONFIRM
|
||||
|| trans->state == TRANS_CALL_MT_ANSWER_WAIT)
|
||||
return;
|
||||
|
||||
if (tone) {
|
||||
timer_stop(&trans->timer);
|
||||
} else {
|
||||
|
|
|
@ -125,7 +125,7 @@
|
|||
#define SIG_LOST_COUNT 4 /* number of measures to loose Signaling Tone */
|
||||
#define CUT_OFF_HIGHPASS 300.0 /* cut off frequency for high pass filter to remove dc level from sound card / sample */
|
||||
#define BEST_QUALITY 0.68 /* Best possible RX quality */
|
||||
#define COMFORT_NOISE 0.02 /* audio level of comfort noise (relative to ISDN level) */
|
||||
#define COMFORT_NOISE 0.02 /* audio level of comfort noise (relative to speech level) */
|
||||
|
||||
static sample_t ramp_up[256], ramp_down[256];
|
||||
|
||||
|
@ -253,6 +253,7 @@ int dsp_init_sender(amps_t *amps, int tolerant)
|
|||
PDEBUG(DDSP, DEBUG_ERROR, "No memory!\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
PDEBUG(DDSP, DEBUG_DEBUG, "Sat detection interval is %d ms.\n", amps->sat_samples * 1000 / amps->sender.samplerate);
|
||||
amps->sat_filter_spl = spl;
|
||||
|
||||
/* count SAT tones */
|
||||
|
@ -840,7 +841,7 @@ static void sat_decode(amps_t *amps, sample_t *samples, int length)
|
|||
static void sender_receive_audio(amps_t *amps, sample_t *samples, int length)
|
||||
{
|
||||
transaction_t *trans = amps->trans_list;
|
||||
sample_t *spl;
|
||||
sample_t *spl, s;
|
||||
int max, pos;
|
||||
int i;
|
||||
|
||||
|
@ -849,7 +850,10 @@ static void sender_receive_audio(amps_t *amps, sample_t *samples, int length)
|
|||
spl = amps->sat_filter_spl;
|
||||
pos = amps->sat_filter_pos;
|
||||
for (i = 0; i < length; i++) {
|
||||
/* unmute: use buffer, to delay audio, so we do not miss that chunk when SAT is detected */
|
||||
s = spl[pos];
|
||||
spl[pos++] = samples[i];
|
||||
samples[i] = s;
|
||||
if (pos == max) {
|
||||
pos = 0;
|
||||
sat_decode(amps, spl, max);
|
||||
|
|
Loading…
Reference in New Issue