From: Ramakrishnan Muthukrishnan <ram@rkrishnan.org>
Date: Sat, 4 Nov 2023 10:54:32 +0000 (+0530)
Subject: toggle audio output via a rigctl command
X-Git-Url: https://git.rkrishnan.org/%5B/%5D%20/file/frontends//%22%3C?a=commitdiff_plain;h=39562bdc3f95d2fb25d1706334d56f6db242b63a;p=pihpsdr.git

toggle audio output via a rigctl command

This would enable a frontpanel switch to select the audio output by
sending a command to rigctl.
---

diff --git a/rigctl.c b/rigctl.c
index 14f09d3..9143ee0 100644
--- a/rigctl.c
+++ b/rigctl.c
@@ -44,6 +44,7 @@
 #include "receiver.h"
 #include "rigctl.h"
 #include "rigctl_menu.h"
+#include "rx_menu.h"
 #include "sliders.h"
 #include "store.h"
 #include "toolbar.h"
@@ -958,6 +959,11 @@ gboolean parse_extended_cmd(char *command, CLIENT *client) {
     case 'I': // ZZAI
       implemented = FALSE;
       break;
+    case 'O': // ZZAO
+	if (command[4] == ';') {
+	    toggle_audio_output_device();
+	}
+	break;
     case 'P': // ZZAP
       implemented = FALSE;
       break;
diff --git a/rx_menu.c b/rx_menu.c
index ad1e7aa..2708bb2 100644
--- a/rx_menu.c
+++ b/rx_menu.c
@@ -140,6 +140,18 @@ static void mute_radio_cb(GtkWidget *widget, gpointer data) {
         gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
 }
 
+void toggle_audio_output_device(void) {
+    // n_output_devices holds the number of output devices (global -
+    // aargh!!)
+    int out_index = gtk_combo_box_get_active(GTK_COMBO_BOX(output));
+
+    // toggle
+    out_index = (out_index + 1) % n_output_devices;
+
+    // set the other device as active
+    gtk_combo_box_set_active(GTK_COMBO_BOX(output), out_index);
+}
+
 //
 // possible the device has been changed:
 // call audo_close_output with old device, audio_open_output with new one
diff --git a/rx_menu.h b/rx_menu.h
index b3d06c5..1342234 100644
--- a/rx_menu.h
+++ b/rx_menu.h
@@ -18,3 +18,4 @@
  */
 
 extern void rx_menu(GtkWidget *parent);
+extern void toggle_audio_output_device(void);