Add config settings for audio channels

src/audio_call.c

@@ -29,6 +29,7 @@
 #include "line_info.h"
 #include "misc_tools.h"
 #include "notify.h"
+#include "settings.h"
 #include "toxic.h"
 #include "windows.h"
 
@@ -64,6 +65,7 @@ extern ToxWindow *windows[MAX_WINDOWS_NUM];
 
 struct CallControl CallControl;
 
+extern struct user_settings *user_settings;
 extern struct Winthread Winthread;
 
 void on_call(ToxAV *av, uint32_t friend_number, bool audio_enabled, bool video_enabled,
@@ -103,7 +105,7 @@ ToxAV *init_audio(ToxWindow *self, Tox *tox)
     CallControl.default_audio_bit_rate = 64;
     CallControl.audio_sample_rate = 48000;
     CallControl.audio_frame_duration = 20;
-    CallControl.audio_channels = 1;
+    CallControl.audio_channels = user_settings->chat_audio_channels;
 
     CallControl.video_enabled = false;
     CallControl.default_video_bit_rate = 0;

src/conference.c

@@ -1159,7 +1159,6 @@ static ToxWindow *new_conference_chat(uint32_t conferencenum)
 
 #define CONFAV_SAMPLE_RATE 48000
 #define CONFAV_FRAME_DURATION 20
-#define CONFAV_AUDIO_CHANNELS 2
 #define CONFAV_SAMPLES_PER_FRAME (CONFAV_SAMPLE_RATE * CONFAV_FRAME_DURATION / 1000)
 
 void audio_conference_callback(void *tox, uint32_t conferencenum, uint32_t peernum, const int16_t *pcm,
@@ -1198,10 +1197,12 @@ static void conference_read_device_callback(const int16_t *captured, uint32_t si
 
     conferences[audio_input_callback_data->conferencenum].last_sent_audio = get_unix_time();
 
+    int channels = user_settings->conference_audio_channels;
+
     toxav_group_send_audio(audio_input_callback_data->tox,
                            audio_input_callback_data->conferencenum,
                            captured, CONFAV_SAMPLES_PER_FRAME,
-                           CONFAV_AUDIO_CHANNELS, CONFAV_SAMPLE_RATE);
+                           channels, CONFAV_SAMPLE_RATE);
 }
 
 bool init_conference_audio_input(Tox *tox, uint32_t conferencenum)
@@ -1215,9 +1216,11 @@ bool init_conference_audio_input(Tox *tox, uint32_t conferencenum)
     const AudioInputCallbackData audio_input_callback_data = { tox, conferencenum };
     chat->audio_input_callback_data = audio_input_callback_data;
 
+    int channels = user_settings->conference_audio_channels;
+
     bool success = (open_input_device(&chat->audio_in_idx,
                                       conference_read_device_callback, &chat->audio_input_callback_data, true,
-                                      CONFAV_SAMPLE_RATE, CONFAV_FRAME_DURATION, CONFAV_AUDIO_CHANNELS)
+                                      CONFAV_SAMPLE_RATE, CONFAV_FRAME_DURATION, channels)
                     == de_None);
 
     chat->audio_enabled = success;

src/settings.c

@@ -205,11 +205,15 @@ static const struct audio_strings {
     const char *input_device;
     const char *output_device;
     const char *VAD_threshold;
+    const char *conference_audio_channels;
+    const char *chat_audio_channels;
 } audio_strings = {
     "audio",
     "input_device",
     "output_device",
     "VAD_threshold",
+    "conference_audio_channels",
+    "chat_audio_channels",
 };
 
 static void audio_defaults(struct user_settings *settings)
@@ -217,6 +221,8 @@ static void audio_defaults(struct user_settings *settings)
     settings->audio_in_dev = 0;
     settings->audio_out_dev = 0;
     settings->VAD_threshold = 5.0;
+    settings->conference_audio_channels = 1;
+    settings->chat_audio_channels = 2;
 }
 #endif
 
@@ -506,6 +512,13 @@ int settings_load(struct user_settings *s, const char *patharg)
         s->audio_out_dev = s->audio_out_dev < 0 || s->audio_out_dev > MAX_DEVICES ? 0 : s->audio_out_dev;
 
         config_setting_lookup_float(setting, audio_strings.VAD_threshold, &s->VAD_threshold);
+
+        config_setting_lookup_int(setting, audio_strings.conference_audio_channels, &s->conference_audio_channels);
+        s->conference_audio_channels = s->conference_audio_channels <= 0
+                                       || s->conference_audio_channels > 2 ? 1 : s->conference_audio_channels;
+
+        config_setting_lookup_int(setting, audio_strings.chat_audio_channels, &s->chat_audio_channels);
+        s->chat_audio_channels = s->chat_audio_channels <= 0 || s->chat_audio_channels > 2 ? 2 : s->chat_audio_channels;
     }
 
 #endif

src/settings.h

@@ -85,6 +85,8 @@ struct user_settings {
     int audio_in_dev;
     int audio_out_dev;
     double VAD_threshold;
+    int conference_audio_channels;
+    int chat_audio_channels;
 #endif
 };