ao: use a local option struct

Instead of accessing MPOpts.

audio/out/ao.c

@@ -120,7 +120,7 @@ static bool get_desc(struct m_obj_desc *dst, int index)
 }
 
 // For the ao option
-const struct m_obj_list ao_obj_list = {
+static const struct m_obj_list ao_obj_list = {
     .get_desc = get_desc,
     .description = "audio outputs",
     .allow_unknown_entries = true,
@@ -129,13 +129,30 @@ const struct m_obj_list ao_obj_list = {
     .use_global_options = true,
 };
 
+#define OPT_BASE_STRUCT struct ao_opts
+const struct m_sub_options ao_conf = {
+    .opts = (const struct m_option[]) {
+        OPT_SETTINGSLIST("ao", audio_driver_list, 0, &ao_obj_list, ),
+        OPT_STRING("audio-device", audio_device, UPDATE_AUDIO),
+        OPT_STRING("audio-client-name", audio_client_name, UPDATE_AUDIO),
+        OPT_DOUBLE("audio-buffer", audio_buffer, M_OPT_MIN | M_OPT_MAX,
+                   .min = 0, .max = 10),
+        {0}
+    },
+    .size = sizeof(OPT_BASE_STRUCT),
+    .defaults = &(const OPT_BASE_STRUCT){
+        .audio_buffer = 0.2,
+        .audio_device = "auto",
+        .audio_client_name = "mpv",
+    },
+};
+
 static struct ao *ao_alloc(bool probing, struct mpv_global *global,
                            void (*wakeup_cb)(void *ctx), void *wakeup_ctx,
                            char *name)
 {
     assert(wakeup_cb);
 
-    struct MPOpts *opts = global->opts;
     struct mp_log *log = mp_log_new(NULL, global->log, "ao");
     struct m_obj_desc desc;
     if (!m_obj_list_find(&desc, &ao_obj_list, bstr0(name))) {
@@ -143,6 +160,7 @@ static struct ao *ao_alloc(bool probing, struct mpv_global *global,
         talloc_free(log);
         return NULL;
     };
+    struct ao_opts *opts = mp_get_config_group(NULL, global, &ao_conf);
     struct ao *ao = talloc_ptrtype(NULL, ao);
     talloc_steal(ao, log);
     *ao = (struct ao) {
@@ -155,6 +173,7 @@ static struct ao *ao_alloc(bool probing, struct mpv_global *global,
         .def_buffer = opts->audio_buffer,
         .client_name = talloc_strdup(ao, opts->audio_client_name),
     };
+    talloc_free(opts);
     ao->priv = m_config_group_from_desc(ao, ao->log, global, &desc, name);
     if (!ao->priv)
         goto error;
@@ -267,8 +286,8 @@ struct ao *ao_init_best(struct mpv_global *global,
                         struct encode_lavc_context *encode_lavc_ctx,
                         int samplerate, int format, struct mp_chmap channels)
 {
-    struct MPOpts *opts = global->opts;
     void *tmp = talloc_new(NULL);
+    struct ao_opts *opts = mp_get_config_group(tmp, global, &ao_conf);
     struct mp_log *log = mp_log_new(tmp, global->log, "ao");
     struct ao *ao = NULL;
     struct m_obj_settings *ao_list = NULL;

audio/out/ao.h

@@ -83,6 +83,13 @@ struct mpv_global;
 struct input_ctx;
 struct encode_lavc_context;
 
+struct ao_opts {
+    struct m_obj_settings *audio_driver_list;
+    char *audio_device;
+    char *audio_client_name;
+    double audio_buffer;
+};
+
 struct ao *ao_init_best(struct mpv_global *global,
                         int init_flags,
                         void (*wakeup_cb)(void *ctx), void *wakeup_ctx,

options/options.c

@@ -78,7 +78,8 @@ extern const struct m_sub_options demux_conf;
 extern const struct m_obj_list vf_obj_list;
 extern const struct m_obj_list af_obj_list;
 extern const struct m_obj_list vo_obj_list;
-extern const struct m_obj_list ao_obj_list;
+
+extern const struct m_sub_options ao_conf;
 
 extern const struct m_sub_options opengl_conf;
 extern const struct m_sub_options vulkan_conf;
@@ -549,10 +550,8 @@ const m_option_t mp_opts[] = {
     OPT_FLAG("osd-bar", osd_bar_visible, UPDATE_OSD),
 
 //---------------------- libao/libvo options ------------------------
-    OPT_SETTINGSLIST("ao", audio_driver_list, 0, &ao_obj_list, ),
+    OPT_SUBSTRUCT("", ao_opts, ao_conf, 0),
-    OPT_STRING("audio-device", audio_device, UPDATE_AUDIO),
     OPT_FLAG("audio-exclusive", audio_exclusive, UPDATE_AUDIO),
-    OPT_STRING("audio-client-name", audio_client_name, UPDATE_AUDIO),
     OPT_FLAG("audio-fallback-to-null", ao_null_fallback, 0),
     OPT_FLAG("audio-stream-silence", audio_stream_silence, 0),
     OPT_FLOATRANGE("audio-wait-open", audio_wait_open, 0, 0, 60),
@@ -577,8 +576,6 @@ const m_option_t mp_opts[] = {
                ({"no", 0},
                 {"yes", 1},
                 {"weak", -1})),
-    OPT_DOUBLE("audio-buffer", audio_buffer, M_OPT_MIN | M_OPT_MAX,
-               .min = 0, .max = 10),
 
     OPT_STRING("title", wintitle, 0),
     OPT_STRING("force-media-title", media_title, 0),
@@ -879,16 +876,12 @@ const m_option_t mp_opts[] = {
 const struct MPOpts mp_default_opts = {
     .use_terminal = 1,
     .msg_color = 1,
-    .audio_driver_list = NULL,
     .audio_decoders = NULL,
     .video_decoders = NULL,
     .softvol_max = 130,
     .softvol_volume = 100,
     .softvol_mute = 0,
     .gapless_audio = -1,
-    .audio_buffer = 0.2,
-    .audio_device = "auto",
-    .audio_client_name = "mpv",
     .wintitle = "${?media-title:${media-title}}${!media-title:No file} - mpv",
     .stop_screensaver = 1,
     .cursor_autohide_delay = 1000,

options/options.h

@@ -144,10 +144,7 @@ typedef struct MPOpts {
 
     int auto_load_scripts;
 
-    struct m_obj_settings *audio_driver_list;
-    char *audio_device;
     int audio_exclusive;
-    char *audio_client_name;
     int ao_null_fallback;
     int audio_stream_silence;
     float audio_wait_open;
@@ -160,9 +157,9 @@ typedef struct MPOpts {
     int softvol_mute;
     float softvol_max;
     int gapless_audio;
-    double audio_buffer;
 
     mp_vo_opts *vo;
+    struct ao_opts *ao_opts;
 
     char *wintitle;
     char *media_title;

player/command.c

@@ -2008,14 +2008,21 @@ static int mp_property_audio_device(void *ctx, struct m_property *prop,
     if (action == M_PROPERTY_PRINT) {
         create_hotplug(mpctx);
 
+        char *name = NULL;
+        if (mp_property_generic_option(mpctx, prop, M_PROPERTY_GET, &name) < 1)
+            name = NULL;
+
         struct ao_device_list *list = ao_hotplug_get_device_list(cmd->hotplug);
         for (int n = 0; n < list->num_devices; n++) {
             struct ao_device_desc *dev = &list->devices[n];
-            if (dev->name && strcmp(dev->name, mpctx->opts->audio_device) == 0) {
+            if (dev->name && name && strcmp(dev->name, name) == 0) {
                 *(char **)arg = talloc_strdup(NULL, dev->desc ? dev->desc : "?");
+                talloc_free(name);
                 return M_PROPERTY_OK;
             }
         }
+
+        talloc_free(name);
     }
     return mp_property_generic_option(mpctx, prop, action, arg);
 }

player/main.c

@@ -222,7 +222,9 @@ static bool handle_help_options(struct MPContext *mpctx)
         MP_INFO(mpctx, "\n");
         return true;
     }
-    if (opts->audio_device && strcmp(opts->audio_device, "help") == 0) {
+    if (opts->ao_opts->audio_device &&
+        strcmp(opts->ao_opts->audio_device, "help") == 0)
+    {
         ao_print_devices(mpctx->global, log);
         return true;
     }