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Rework on audio interface

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Sound instance is now called audio instance and uses funcation pointers.
This gives a clean interface to be exchanged with other technologies,
linke SDR.
This commit is contained in:
Andreas Eversberg
2017-01-04 14:14:02 +01:00
parent d54d3ac265
commit 9ff8c3bb25
29 changed files with 231 additions and 162 deletions
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8
src/nmt/nmt.c
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@@ -218,7 +218,7 @@ double nmt_channel2freq(int channel, int uplink)
if (uplink)
freq -= 10.000;
return freq;
return freq * 1e6;
}
/* convert 7-digits dial string to NMT number */
@@ -303,7 +303,7 @@ uint8_t nmt_country_by_short_name(const char *short_name)
static void nmt_timeout(struct timer *timer);
/* Create transceiver instance and link to a list. */
int nmt_create(int channel, enum nmt_chan_type chan_type, const char *sounddev, int samplerate, double rx_gain, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, uint8_t ms_power, uint8_t traffic_area, uint8_t area_no, int compandor, int supervisory, const char *smsc_number, int send_callerid, int loopback)
int nmt_create(int channel, enum nmt_chan_type chan_type, const char *audiodev, int samplerate, double rx_gain, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, uint8_t ms_power, uint8_t traffic_area, uint8_t area_no, int compandor, int supervisory, const char *smsc_number, int send_callerid, int loopback)
{
nmt_t *nmt;
int rc;
@@ -334,7 +334,7 @@ int nmt_create(int channel, enum nmt_chan_type chan_type, const char *sounddev,
PDEBUG(DNMT, DEBUG_DEBUG, "Creating 'NMT' instance for channel = %d (sample rate %d).\n", channel, samplerate);
/* init general part of transceiver */
rc = sender_create(&nmt->sender, channel, sounddev, samplerate, rx_gain, pre_emphasis, de_emphasis, write_rx_wave, write_tx_wave, read_rx_wave, loopback, 0, PILOT_SIGNAL_NONE);
rc = sender_create(&nmt->sender, channel, nmt_channel2freq(channel, 0), nmt_channel2freq(channel, 1), audiodev, samplerate, rx_gain, pre_emphasis, de_emphasis, write_rx_wave, write_tx_wave, read_rx_wave, loopback, 0, PILOT_SIGNAL_NONE);
if (rc < 0) {
PDEBUG(DNMT, DEBUG_ERROR, "Failed to init transceiver process!\n");
goto error;
@@ -1816,7 +1816,7 @@ void call_rx_audio(int callref, int16_t *samples, int count)
if (nmt->compandor)
compress_audio(&nmt->cstate, samples, count);
count = samplerate_upsample(&nmt->sender.srstate, samples, count, up);
jitter_save(&nmt->sender.audio, up, count);
jitter_save(&nmt->sender.dejitter, up, count);
}
}