static int get_toggle_index(int stream)
{
int err, out;
snd_ctl_elem_value_t *val;
stream--;
if (stream < 0 || stream > 9) {
g_print("get_toggle_index (1)\n");
return 0;
}
snd_ctl_elem_value_alloca(&val);
snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
if (stream >= MAX_OUTPUT_CHANNELS) {
snd_ctl_elem_value_set_name(val, SPDIF_PLAYBACK_ROUTE_NAME);
snd_ctl_elem_value_set_index(val, stream - MAX_OUTPUT_CHANNELS);
} else {
snd_ctl_elem_value_set_name(val, ANALOG_PLAYBACK_ROUTE_NAME);
snd_ctl_elem_value_set_index(val, stream);
}
if ((err = snd_ctl_elem_read(ctl, val)) < 0)
return 0;
out = snd_ctl_elem_value_get_enumerated(val, 0);
if (out >= MAX_INPUT_CHANNELS + MAX_SPDIF_CHANNELS + 1) {
if (stream >= MAX_PCM_OUTPUT_CHANNELS || stream < MAX_SPDIF_CHANNELS)
return 1; /* digital mixer */
} else if (out >= MAX_INPUT_CHANNELS + 1)
return out - (MAX_INPUT_CHANNELS + 1) + 2; /* spdif left (=2) / right (=3) */
else if (out >= 1)
return out + spdif_channels + 1; /* analog (4-) */
return 0; /* pcm */
}
static void set_routes(int stream, int idx)
{
int err;
unsigned int out;
snd_ctl_elem_value_t *val;
stream--;
if (stream < 0 || stream > 9) {
g_print("set_routes (1)\n");
return;
}
if (! stream_active[stream])
return;
out = 0;
if (idx == 1)
out = MAX_INPUT_CHANNELS + MAX_SPDIF_CHANNELS + 1;
else if (idx == 2 || idx == 3) /* S/PDIF left & right */
out = idx + 7; /* 9-10 */
else if (idx >= 4) /* analog */
out = idx - 3; /* 1-8 */
snd_ctl_elem_value_alloca(&val);
snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
if (stream >= MAX_OUTPUT_CHANNELS) {
snd_ctl_elem_value_set_name(val, SPDIF_PLAYBACK_ROUTE_NAME);
snd_ctl_elem_value_set_index(val, stream - MAX_OUTPUT_CHANNELS);
} else {
snd_ctl_elem_value_set_name(val, ANALOG_PLAYBACK_ROUTE_NAME);
snd_ctl_elem_value_set_index(val, stream);
}
snd_ctl_elem_value_set_enumerated(val, 0, out);
if ((err = snd_ctl_elem_write(ctl, val)) < 0)
g_print("Multi track route write error: %s\n", snd_strerror(err));
}
void ipga_volume_update(int idx)
{
snd_ctl_elem_value_t *val;
int err, ipga_vol;
snd_ctl_elem_value_alloca(&val);
snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
snd_ctl_elem_value_set_name(val, IPGA_VOLUME_NAME);
snd_ctl_elem_value_set_index(val, idx);
if ((err = snd_ctl_elem_read(ctl, val)) < 0) {
g_print("Unable to read ipga volume: %s\n", snd_strerror(err));
return;
}
gtk_adjustment_set_value(GTK_ADJUSTMENT(av_ipga_volume_adj[idx]),
-(ipga_vol = snd_ctl_elem_value_get_integer(val, 0)));
snd_ctl_elem_value_set_name(val, ADC_VOLUME_NAME);
snd_ctl_elem_value_set_index(val, idx);
if ((err = snd_ctl_elem_read(ctl, val)) < 0) {
g_print("Unable to read adc volume: %s\n", snd_strerror(err));
return;
}
// set ADC volume to max if IPGA volume greater 0
if (ipga_vol)
gtk_adjustment_set_value(GTK_ADJUSTMENT(av_adc_volume_adj[idx]),
-adc_max);
}
void patchbay_init(void)
{
int i;
int nb_active_channels;
snd_ctl_elem_value_t *val;
snd_ctl_elem_value_alloca(&val);
snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
snd_ctl_elem_value_set_name(val, ANALOG_PLAYBACK_ROUTE_NAME);
memset (stream_active, 0, (MAX_OUTPUT_CHANNELS + MAX_SPDIF_CHANNELS) * sizeof(int));
nb_active_channels = 0;
for (i = 0; i < output_channels; i++) {
snd_ctl_elem_value_set_numid(val, 0);
snd_ctl_elem_value_set_index(val, i);
if (snd_ctl_elem_read(ctl, val) < 0)
continue;
stream_active[i] = 1;
nb_active_channels++;
}
output_channels = nb_active_channels;
snd_ctl_elem_value_set_name(val, SPDIF_PLAYBACK_ROUTE_NAME);
nb_active_channels = 0;
for (i = 0; i < spdif_channels; i++) {
snd_ctl_elem_value_set_numid(val, 0);
snd_ctl_elem_value_set_index(val, i);
if (snd_ctl_elem_read(ctl, val) < 0)
continue;
stream_active[i + MAX_OUTPUT_CHANNELS] = 1;
nb_active_channels++;
}
spdif_channels = nb_active_channels;
}
void adc_sense_toggled(GtkWidget *togglebutton, gpointer data)
{
int idx = (long)data >> 8;
int state = (long)data & 0xff;
snd_ctl_elem_value_t *val;
int err;
snd_ctl_elem_value_alloca(&val);
snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
snd_ctl_elem_value_set_name(val, ADC_SENSE_NAME);
snd_ctl_elem_value_set_index(val, idx);
snd_ctl_elem_value_set_enumerated(val, 0, state);
if ((err = snd_ctl_elem_write(ctl, val)) < 0)
g_print("Unable to write adc sense: %s\n", snd_strerror(err));
}
void dac_volume_update(int idx)
{
snd_ctl_elem_value_t *val;
int err;
snd_ctl_elem_value_alloca(&val);
snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
snd_ctl_elem_value_set_name(val, DAC_VOLUME_NAME);
snd_ctl_elem_value_set_index(val, idx);
if ((err = snd_ctl_elem_read(ctl, val)) < 0) {
g_print("Unable to read dac volume: %s\n", snd_strerror(err));
return;
}
gtk_adjustment_set_value(GTK_ADJUSTMENT(av_dac_volume_adj[idx]),
-snd_ctl_elem_value_get_integer(val, 0));
}
void adc_sense_update(int idx)
{
snd_ctl_elem_value_t *val;
int err;
int state;
snd_ctl_elem_value_alloca(&val);
snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
snd_ctl_elem_value_set_name(val, ADC_SENSE_NAME);
snd_ctl_elem_value_set_index(val, idx);
if ((err = snd_ctl_elem_read(ctl, val)) < 0) {
g_print("Unable to read adc sense: %s\n", snd_strerror(err));
return;
}
state = snd_ctl_elem_value_get_enumerated(val, 0);
toggle_set(av_adc_sense_radio[idx][state], TRUE);
}
void ipga_volume_adjust(GtkAdjustment *adj, gpointer data)
{
int idx = (int)(long)data;
snd_ctl_elem_value_t *val;
int err, ival = -(int)adj->value;
char text[16];
snd_ctl_elem_value_alloca(&val);
snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
snd_ctl_elem_value_set_name(val, IPGA_VOLUME_NAME);
snd_ctl_elem_value_set_index(val, idx);
snd_ctl_elem_value_set_integer(val, 0, ival);
sprintf(text, "%03i", ival);
gtk_label_set_text(av_ipga_volume_label[idx], text);
if ((err = snd_ctl_elem_write(ctl, val)) < 0)
g_print("Unable to write ipga volume: %s\n", snd_strerror(err));
}
static int check_elems(struct elem_set_trial *trial)
{
snd_ctl_elem_value_t *data;
unsigned int numid;
unsigned int index;
unsigned int i;
int err;
snd_ctl_elem_value_alloca(&data);
snd_ctl_elem_value_set_id(data, trial->id);
numid = snd_ctl_elem_id_get_numid(trial->id);
index = snd_ctl_elem_id_get_index(trial->id);
for (i = 0; i < trial->element_count; ++i) {
snd_ctl_elem_value_set_index(data, index + i);
/*
* In Linux 4.0 or former, ioctl(SNDRV_CTL_IOCTL_ELEM_ADD)
* doesn't fill all of fields for identification.
*/
if (numid > 0)
snd_ctl_elem_value_set_numid(data, numid + i);
err = snd_ctl_elem_read(trial->handle, data);
if (err < 0)
return err;
/* Change members of an element in this element set. */
trial->change_elem_members(trial, data);
err = snd_ctl_elem_write(trial->handle, data);
if (err < 0)
return err;
}
return 0;
}
