add audio settings for conf file

misc/toxic.conf

@@ -6,3 +6,9 @@ autolog:0;
 
 # 1 to use native terminal colours, 0 to use toxic default colour theme
 colour_theme:0;
+
+# preferred audio input device; numbers correspond to /lsdev in
+audio_in_dev:0;
+
+# preferred audio output device; numbers correspond to /lsdev out
+audio_out_dev:0;

src/audio_call.c

@@ -21,7 +21,6 @@
 #include <unistd.h>
 #include <stdlib.h>
 
-#define MAX_DEVICES 32
 #define _cbend pthread_exit(NULL)
 
 #define AUDIO_FRAME_SIZE (av_DefaultSettings.audio_sample_rate * av_DefaultSettings.audio_frame_duration / 1000)
@@ -36,12 +35,6 @@ typedef struct _DeviceIx {
     int index; /* Current index */
 } DeviceIx;
 
-typedef enum _Devices
-{
-    input,
-    output,
-} _Devices;
-
 struct _ASettings {
     
     DeviceIx device[2];
@@ -72,6 +65,21 @@ static void print_err (ToxWindow *self, uint8_t *error_str)
     line_info_add(self, NULL, NULL, NULL, error_str, SYS_MSG, 0, 0);
 }
 
+int device_set(ToxWindow *self, _Devices type, long int selection)
+{
+    uint8_t error_str[MAX_STR_SIZE];
+    uint8_t *s_type = type == input ? "input" : "output";
+
+    if ( selection < 0 || selection >= ASettins.device[type].size ) {
+        snprintf(error_str, sizeof(error_str), "Cannot set audio %s device: Invalid index", s_type);
+        line_info_add(self, NULL, NULL, NULL, error_str, SYS_MSG, 0, 0);
+        return -1;
+    }
+
+    ASettins.device[type].index = selection;
+    return 0;
+}
+
 /* Opens device under current index
  */
 int device_open (ToxWindow *self, _Devices type)
@@ -710,14 +718,10 @@ void cmd_change_device(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (
         goto on_error;
     }
 
-    if ( selection < 0 || selection >= ASettins.device[type].size ) {
+    if ( device_set(self, type, selection ) == 0) {
-        error_str = "No device with such index";
-        goto on_error;
-    }
-
-    ASettins.device[type].index = selection;
         snprintf(msg, sizeof(msg), "Selected: %s", ASettins.device[type].devices[selection]);
         line_info_add(self, NULL, NULL, NULL, msg, SYS_MSG, 0, 0);
+    }
 
     return;
 on_error: 

src/audio_call.h

@@ -7,6 +7,8 @@
 
 #include <tox/toxav.h>
 
+#define MAX_DEVICES 32
+
 typedef struct ToxWindow ToxWindow;
 
 typedef enum _AudioError
@@ -17,6 +19,12 @@ typedef enum _AudioError
     ErrorStartingCoreAudio = 1 << 2
 } AudioError;
 
+typedef enum _Devices
+{
+    input,
+    output,
+} _Devices;
+
 /* You will have to pass pointer to first member of 'windows' 
  * declared in windows.c otherwise undefined behaviour will 
  */
@@ -26,5 +34,6 @@ void terminate_audio();
 int errors();
 
 int start_transmission(ToxWindow *self);
+int device_set(ToxWindow *self, _Devices type, long int selection);
 
 #endif /* _audio_h */

src/main.c

@@ -505,6 +505,8 @@ int main(int argc, char *argv[])
         exit(EXIT_FAILURE);
     }
 
+    memset(user_settings, 0, sizeof(struct user_settings));
+
     int settings_err = settings_load(user_settings, NULL);
 
     init_term();
@@ -538,12 +540,15 @@ int main(int argc, char *argv[])
     av = init_audio(prompt, m);
 
     if ( errors() == NoError )
-        msg = "Audio started with no problems.";
+        msg = "Audio initiated with no problems.";
     else /* Get error code and stuff */
-        msg = "Error starting audio!";
+        msg = "Error initiating audio!";
 
     line_info_add(prompt, NULL, NULL, NULL, msg, SYS_MSG, 0, 0);
 
+    device_set(prompt, input, user_settings->audio_in_dev);
+    device_set(prompt, output, user_settings->audio_out_dev);
+
 #endif /* _SUPPORT_AUDIO */
 
     if (f_loadfromfile)

src/settings.c

@@ -25,11 +25,14 @@
 
 #include "toxic_windows.h"
 #include "configdir.h"
+#include "audio_call.h"
 #include "settings.h"
 
 static void uset_autolog(struct user_settings *s, int val);
 static void uset_time(struct user_settings *s, int val);
 static void uset_colours(struct user_settings *s, int val);
+static void uset_ain_dev(struct user_settings *s, int val);
+static void uset_aout_dev(struct user_settings *s, int val);
 
 struct {
     const char *name;
@@ -38,6 +41,8 @@ struct {
     { "autolog",        uset_autolog    }, 
     { "time",           uset_time       },
     { "colour_theme",   uset_colours    },
+    { "audio_in_dev",   uset_ain_dev    },
+    { "audio_out_dev",  uset_aout_dev   },
 };
 
 static void uset_autolog(struct user_settings *s, int val) 
@@ -58,6 +63,22 @@ static void uset_colours(struct user_settings *s, int val)
     s->colour_theme = val == NATIVE_COLS ? NATIVE_COLS : DFLT_COLS;
 }
 
+static void uset_ain_dev(struct user_settings *s, int val)
+{
+    if (val < 0 || val > MAX_DEVICES)
+        val = (long int) 0;
+
+    s->audio_in_dev = (long int) val;
+}
+
+static void uset_aout_dev(struct user_settings *s, int val)
+{
+    if (val < 0 || val > MAX_DEVICES)
+        val = (long int) 0;
+
+    s->audio_out_dev = (long int) val;
+}
+
 int settings_load(struct user_settings *s, char *path)
 {
     char *user_config_dir = get_user_config_dir();

src/settings.h

@@ -20,13 +20,15 @@
  *
  */
 
-#define NUM_SETTINGS 3
+#define NUM_SETTINGS 5
 
 /* holds user setting values */
 struct user_settings {
     int autolog;           /* boolean */
     int time;              /* 12 or 24 */
     int colour_theme;      /* boolean (0 for default toxic colours) */
+    long int audio_in_dev;
+    long int audio_out_dev;
 };
 
 enum {