Add wave file playback to replace TX audio

4 files changed, 27 insertions, 4 deletions

diff --git a/src/common/main.h b/src/common/main.h
index 6f3f63d..3e78c34 100644
--- a/src/common/main.h
+++ b/src/common/main.h
@@ -19,6 +19,7 @@ extern int rt_prio;
 extern const char *write_rx_wave;
 extern const char *write_tx_wave;
 extern const char *read_rx_wave;
+extern const char *read_tx_wave;
 
 void print_help(const char *arg0);
 void print_help_common(const char *arg0, const char *ext_usage);
diff --git a/src/common/main_common.c b/src/common/main_common.c
index 4bc20ee..20d384f 100644
--- a/src/common/main_common.c
+++ b/src/common/main_common.c
@@ -62,6 +62,7 @@ int rt_prio = 0;
 const char *write_rx_wave = NULL;
 const char *write_tx_wave = NULL;
 const char *read_rx_wave = NULL;
+const char *read_tx_wave = NULL;
 int use_sdr = 0;
 int sdr_channel = 0;
 static const char *sdr_args = "";
@@ -135,6 +136,8 @@ void print_help_common(const char *arg0, const char *ext_usage)
 	printf("        Write transmitted audio to given wave file.\n");
 	printf("    --read-rx-wave <file>\n");
 	printf("        Replace received audio by given wave file.\n");
+	printf("    --read-tx-wave <file>\n");
+	printf("        Replace transmitted audio by given wave file.\n");
 #ifdef HAVE_SDR
 	printf("\nSDR options:\n");
 #ifdef HAVE_UHD
@@ -185,8 +188,9 @@ void print_hotkeys_common(void)
 #define	OPT_WRITE_RX_WAVE	1001
 #define	OPT_WRITE_TX_WAVE	1002
 #define	OPT_READ_RX_WAVE	1003
-#define	OPT_CALL_SAMPLERATE	1004
-#define	OPT_MNCC_NAME		1005
+#define	OPT_READ_TX_WAVE	1004
+#define	OPT_CALL_SAMPLERATE	1005
+#define	OPT_MNCC_NAME		1006
 
 #define	OPT_SDR_UHD		1100
 #define	OPT_SDR_SOAPY		1101
@@ -222,6 +226,7 @@ static struct option long_options_common[] = {
 	{"write-rx-wave", 1, 0, OPT_WRITE_RX_WAVE},
 	{"write-tx-wave", 1, 0, OPT_WRITE_TX_WAVE},
 	{"read-rx-wave", 1, 0, OPT_READ_RX_WAVE},
+	{"read-tx-wave", 1, 0, OPT_READ_TX_WAVE},
 	{"sdr-uhd", 0, 0, OPT_SDR_UHD},
 	{"sdr-soapy", 0, 0, OPT_SDR_SOAPY},
 	{"sdr-channel", 1, 0, OPT_SDR_CHANNEL},
@@ -380,6 +385,10 @@ void opt_switch_common(int c, char *arg0, int *skip_args)
 		read_rx_wave = strdup(optarg);
 		*skip_args += 2;
 		break;
+	case OPT_READ_TX_WAVE:
+		read_tx_wave = strdup(optarg);
+		*skip_args += 2;
+		break;
 	case OPT_SDR_UHD:
 #ifdef HAVE_SDR
 		use_sdr = 1;
diff --git a/src/common/sender.c b/src/common/sender.c
index 88e48c1..84b5dba 100644
--- a/src/common/sender.c
+++ b/src/common/sender.c
@@ -33,7 +33,7 @@ static sender_t **sender_tailp = &sender_head;
 int cant_recover = 0;
 
 /* Init transceiver instance and link to list of transceivers. */
-int sender_create(sender_t *sender, int kanal, double sendefrequenz, double empfangsfrequenz, const char *audiodev, int use_sdr, 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, int loopback, double loss_volume, enum paging_signal paging_signal)
+int sender_create(sender_t *sender, int kanal, double sendefrequenz, double empfangsfrequenz, const char *audiodev, int use_sdr, 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, const char *read_tx_wave, int loopback, double loss_volume, enum paging_signal paging_signal)
 {
 	sender_t *master, *slave;
 	int rc = 0;
@@ -52,6 +52,7 @@ int sender_create(sender_t *sender, int kanal, double sendefrequenz, double empf
 	sender->write_rx_wave = write_rx_wave;
 	sender->write_tx_wave = write_tx_wave;
 	sender->read_rx_wave = read_rx_wave;
+	sender->read_tx_wave = read_tx_wave;
 
 	/* no gain with SDR */
 	if (use_sdr)
@@ -198,6 +199,13 @@ int sender_open_audio(void)
 				return rc;
 			}
 		}
+		if (master->read_tx_wave) {
+			rc = wave_create_playback(&master->wave_tx_play, master->read_tx_wave, master->samplerate, channels, master->max_deviation);
+			if (rc < 0) {
+				PDEBUG(DSENDER, DEBUG_ERROR, "Failed to create WAVE playback instance!\n");
+				return rc;
+			}
+		}
 
 		/* open device */
 		master->audio = master->audio_open(master->audiodev, tx_f, rx_f, channels, paging_frequency, master->samplerate, master->max_deviation, master->max_modulation);
@@ -249,6 +257,7 @@ void sender_destroy(sender_t *sender)
 	wave_destroy_record(&sender->wave_rx_rec);
 	wave_destroy_record(&sender->wave_tx_rec);
 	wave_destroy_playback(&sender->wave_rx_play);
+	wave_destroy_playback(&sender->wave_tx_play);
 
 	jitter_destroy(&sender->dejitter);
 }
@@ -330,6 +339,8 @@ cant_recover:
 
 		if (sender->wave_tx_rec.fp)
 			wave_write(&sender->wave_tx_rec, samples, count);
+		if (sender->wave_tx_play.fp)
+			wave_read(&sender->wave_tx_play, samples, count);
 
 		rc = sender->audio_write(sender->audio, samples, count, paging_signal, on, num_chan);
 		if (rc < 0) {
diff --git a/src/common/sender.h b/src/common/sender.h
index 0907daf..6871fd2 100644
--- a/src/common/sender.h
+++ b/src/common/sender.h
@@ -61,9 +61,11 @@ typedef struct sender {
 	const char		*write_rx_wave;		/* file name pointers */
 	const char		*write_tx_wave;
 	const char		*read_rx_wave;
+	const char		*read_tx_wave;
 	wave_rec_t		wave_rx_rec;		/* wave recording (from rx) */
 	wave_rec_t		wave_tx_rec;		/* wave recording (from tx) */
 	wave_play_t		wave_rx_play;		/* wave playback (as rx) */
+	wave_play_t		wave_tx_play;		/* wave playback (as tx) */
 
 	/* audio buffer for audio to send to transmitter (also used as loopback buffer) */
 	jitter_t		dejitter;
@@ -88,7 +90,7 @@ typedef struct sender {
 extern sender_t *sender_head;
 extern int cant_recover;
 
-int sender_create(sender_t *sender, int kanal, double sendefrequenz, double empfangsfrequenz, const char *audiodev, int use_sdr, 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, int loopback, double loss_volume, enum paging_signal paging_signal);
+int sender_create(sender_t *sender, int kanal, double sendefrequenz, double empfangsfrequenz, const char *audiodev, int use_sdr, 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, const char *read_tx_wave, int loopback, double loss_volume, enum paging_signal paging_signal);
 void sender_destroy(sender_t *sender);
 void sender_set_fm(sender_t *sender, double max_deviation, double max_modulation, double dBm0_deviation, double max_display);
 int sender_open_audio(void);