audio: add command/function to reload audio output

Anticipated use: simple solution for dealing with audio APIs which
request configuration changes via events.

2 files changed, 10 insertions, 0 deletions

diff --git a/audio/out/ao.c b/audio/out/ao.c
index ef228780f8..b94e459091 100644
--- a/audio/out/ao.c
+++ b/audio/out/ao.c
@@ -29,6 +29,7 @@
 #include "audio/format.h"
 #include "audio/audio.h"
 
+#include "input/input.h"
 #include "options/options.h"
 #include "options/m_config.h"
 #include "common/msg.h"
@@ -406,6 +407,13 @@ bool ao_chmap_sel_get_def(struct ao *ao, const struct mp_chmap_sel *s,
     return mp_chmap_sel_get_def(s, map, num);
 }
 
+// Request that the player core destroys and recreates the AO.
+void ao_request_reload(struct ao *ao)
+{
+    const char *cmd[] = {"ao_reload", NULL};
+    mp_input_run_cmd(ao->input_ctx, cmd);
+}
+
 // --- The following functions just return immutable information.
 
 void ao_get_format(struct ao *ao, struct mp_audio *format)
diff --git a/audio/out/internal.h b/audio/out/internal.h
index cebc265f04..fd45a4a581 100644
--- a/audio/out/internal.h
+++ b/audio/out/internal.h
@@ -183,6 +183,8 @@ bool ao_chmap_sel_adjust(struct ao *ao, const struct mp_chmap_sel *s,
 bool ao_chmap_sel_get_def(struct ao *ao, const struct mp_chmap_sel *s,
                           struct mp_chmap *map, int num);
 
+void ao_request_reload(struct ao *ao);
+
 // Add a deep copy of e to the list.
 // Call from ao_driver->list_devs callback only.
 void ao_device_list_add(struct ao_device_list *list, struct ao *ao,