Refactor global variables for signal processing

These are:
	device, sample rate, buffer, latency
Called now:
	dsp_device, dsp_samplerate, dsp_buffer, dsp_latency
Call audio device:
	call_device, call_samplerate, call_buffer

src/amps/amps.c

@@ -491,7 +491,7 @@ static amps_t *search_pc(void)
 }
 
 /* Create transceiver instance and link to a list. */
-int amps_create(const char *kanal, enum amps_chan_type chan_type, const char *audiodev, int use_sdr, int samplerate, double rx_gain, double tx_gain, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, const char *read_tx_wave, amps_si *si, uint16_t sid, uint8_t sat, int polarity, int tolerant, int loopback)
+int amps_create(const char *kanal, enum amps_chan_type chan_type, const char *device, int use_sdr, int samplerate, double rx_gain, double tx_gain, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, const char *read_tx_wave, amps_si *si, uint16_t sid, uint8_t sat, int polarity, int tolerant, int loopback)
 {
 	sender_t *sender;
 	amps_t *amps;
@@ -562,7 +562,7 @@ int amps_create(const char *kanal, enum amps_chan_type chan_type, const char *au
 	PDEBUG(DAMPS, DEBUG_DEBUG, "Creating 'AMPS' instance for channel = %s of band %s (sample rate %d).\n", kanal, band, samplerate);
 
 	/* init general part of transceiver */
-	rc = sender_create(&amps->sender, kanal, amps_channel2freq(atoi(kanal), 0), amps_channel2freq(atoi(kanal), 1), audiodev, use_sdr, samplerate, rx_gain, tx_gain, 0, 0, write_rx_wave, write_tx_wave, read_rx_wave, read_tx_wave, loopback, PAGING_SIGNAL_NONE);
+	rc = sender_create(&amps->sender, kanal, amps_channel2freq(atoi(kanal), 0), amps_channel2freq(atoi(kanal), 1), device, use_sdr, samplerate, rx_gain, tx_gain, 0, 0, write_rx_wave, write_tx_wave, read_rx_wave, read_tx_wave, loopback, PAGING_SIGNAL_NONE);
 	if (rc < 0) {
 		PDEBUG(DAMPS, DEBUG_ERROR, "Failed to init transceiver process!\n");
 		goto error;

src/amps/amps.h

@@ -174,7 +174,7 @@ const char *amps_min12number(uint32_t min1);
 void amps_number2min(const char *number, uint32_t *min1, uint16_t *min2);
 const char *amps_min2number(uint32_t min1, uint16_t min2);
 const char *amps_scm(uint8_t scm);
-int amps_create(const char *kanal, enum amps_chan_type chan_type, const char *audiodev, int use_sdr, int samplerate, double rx_gain, double tx_gain, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, const char *read_tx_wave, amps_si *si, uint16_t sid, uint8_t sat, int polarity, int tolerant, int loopback);
+int amps_create(const char *kanal, enum amps_chan_type chan_type, const char *device, int use_sdr, int samplerate, double rx_gain, double tx_gain, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, const char *read_tx_wave, amps_si *si, uint16_t sid, uint8_t sat, int polarity, int tolerant, int loopback);
 void amps_destroy(sender_t *sender);
 void amps_go_idle(amps_t *amps);
 void amps_rx_signaling_tone(amps_t *amps, int tone, double quality);

src/amps/amps_tacs_main.c

@@ -235,7 +235,7 @@ int main_amps_tacs(const char *name, int argc, char *argv[])
 	int i;
 
 	/* override default */
-	samplerate = 96000;
+	dsp_samplerate = 96000;
 
 	main_mobile_init();
 
@@ -269,10 +269,10 @@ int main_amps_tacs(const char *name, int argc, char *argv[])
 		return 0;
 	}
 	if (use_sdr) {
-		/* set audiodev */
+		/* set device */
 		for (i = 0; i < num_kanal; i++)
-			audiodev[i] = "sdr";
-		num_audiodev = num_kanal;
+			dsp_device[i] = "sdr";
+		num_device = num_kanal;
 		/* set channel types for more than 1 channel */
 		if (num_kanal > 1 && num_chan_type == 0) {
 			chan_type[0] = CHAN_TYPE_CC_PC;
@@ -281,9 +281,9 @@ int main_amps_tacs(const char *name, int argc, char *argv[])
 			num_chan_type = num_kanal;
 		}
 	}
-	if (num_kanal == 1 && num_audiodev == 0)
-		num_audiodev = 1; /* use default */
-	if (num_kanal != num_audiodev) {
+	if (num_kanal == 1 && num_device == 0)
+		num_device = 1; /* use default */
+	if (num_kanal != num_device) {
 		fprintf(stderr, "You need to specify as many sound devices as you have channels.\n");
 		exit(0);
 	}
@@ -320,8 +320,8 @@ int main_amps_tacs(const char *name, int argc, char *argv[])
 
 	}
 
-	if (bis && latency > 5) {
-		fprintf(stderr, "If you use BUSY/IDLE bit, you need to lower the round-trip delay to 5 ms (--latency 5).\n");
+	if (bis && dsp_buffer > 5) {
+		fprintf(stderr, "If you use BUSY/IDLE bit, you need to lower the round-trip delay to 5 ms (--buffer 5).\n");
 		exit(0);
 	}
 
@@ -381,7 +381,7 @@ int main_amps_tacs(const char *name, int argc, char *argv[])
 		amps_si si;
 
 		init_sysinfo(&si, ms_power, ms_power, dtx, dcc, sid >> 1, regh, regr, pureg, pdreg, locaid, regincr, bis);
-		rc = amps_create(kanal[i], chan_type[i], audiodev[i], use_sdr, samplerate, rx_gain, tx_gain, do_pre_emphasis, do_de_emphasis, write_rx_wave, write_tx_wave, read_rx_wave, read_tx_wave, &si, sid, scc, polarity, tolerant, loopback);
+		rc = amps_create(kanal[i], chan_type[i], dsp_device[i], use_sdr, dsp_samplerate, rx_gain, tx_gain, do_pre_emphasis, do_de_emphasis, write_rx_wave, write_tx_wave, read_rx_wave, read_tx_wave, &si, sid, scc, polarity, tolerant, loopback);
 		if (rc < 0) {
 			fprintf(stderr, "Failed to create \"Sender\" instance. Quitting!\n");
 			goto fail;
@@ -392,7 +392,7 @@ int main_amps_tacs(const char *name, int argc, char *argv[])
 			printf("Base station on channel %s ready (%s), please tune transmitter to %.4f MHz and receiver to %.4f MHz. (%.3f MHz offset)\n", kanal[i], chan_type_long_name(chan_type[i]), amps_channel2freq(atoi(kanal[i]), 0) / 1e6, amps_channel2freq(atoi(kanal[i]), 1) / 1e6, amps_channel2freq(atoi(kanal[i]), 2) / 1e6);
 	}
 
-	main_mobile(name, &quit, latency, interval, NULL, station_id, 10);
+	main_mobile(name, &quit, NULL, station_id, 10);
 
 fail:
 	/* destroy transceiver instance */