williamp/osmocom-analog
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

common code: Add feature to record received audio and replay it

Browse Source 
-W <file.wav> writes a wave file of received audio
-R <file.wav> reads a wave file to feed into decoder

This way you can record a phone and later debug without a phone
and radio equipment.
This commit is contained in:
Andreas Eversberg
2016-03-25 13:58:16 +01:00
parent 0aa749d27b
commit 1146537d84
16 changed files with 386 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
src/common/sender.c
View File

@@ -32,7 +32,7 @@ sender_t *sender_head = NULL;
static sender_t **sender_tailp = &sender_head;
/* Init transceiver instance and link to list of transceivers. */
int sender_create(sender_t *sender, const char *sounddev, int samplerate, int kanal, int loopback, double loss_volume, int use_pilot_signal)
int sender_create(sender_t *sender, const char *sounddev, int samplerate, const char *write_wave, const char *read_wave, int kanal, int loopback, double loss_volume, int use_pilot_signal)
{
int rc = 0;
@@ -65,6 +65,21 @@ int sender_create(sender_t *sender, const char *sounddev, int samplerate, int ka
goto error;
}
if (write_wave) {
rc = wave_create_record(&sender->wave_rec, write_wave, samplerate);
if (rc < 0) {
PDEBUG(DSENDER, DEBUG_ERROR, "Failed to create WAVE recoding instance!\n");
goto error;
}
}
if (read_wave) {
rc = wave_create_playback(&sender->wave_play, read_wave, samplerate);
if (rc < 0) {
PDEBUG(DSENDER, DEBUG_ERROR, "Failed to create WAVE playback instance!\n");
goto error;
}
}
*sender_tailp = sender;
sender_tailp = &sender->next;
@@ -90,6 +105,9 @@ void sender_destroy(sender_t *sender)
if (sender->sound)
sound_close(sender->sound);
wave_destroy_record(&sender->wave_rec);
wave_destroy_playback(&sender->wave_play);
jitter_destroy(&sender->audio);
}
@@ -167,8 +185,11 @@ void process_sender(sender_t *sender, int latspl)
PDEBUG(DSENDER, DEBUG_ERROR, "Trying to recover!\n");
return;
}
if (sender->loopback == 1)
if (sender->loopback == 1) {
if (sender->wave_rec.fp)
wave_write(&sender->wave_rec, samples, count);
sender_receive(sender, samples, count);
}
}
count = sound_read(sender->sound, samples, latspl);
@@ -180,8 +201,13 @@ void process_sender(sender_t *sender, int latspl)
return;
}
if (count) {
if (sender->loopback != 1)
if (sender->wave_play.fp)
wave_read(&sender->wave_play, samples, count);
if (sender->loopback != 1) {
if (sender->wave_rec.fp)
wave_write(&sender->wave_rec, samples, count);
sender_receive(sender, samples, count);
}
if (sender->loopback == 3) {
jitter_save(&sender->audio, samples, count);
}