audio: restore balance setting after reinit

Restore the audio balance setting when the audio chain is
reinitialized (also after switching to another file).

Also add a note about the balance code being seriously buggy.

1 files changed, 1 insertions, 0 deletions

diff --git a/mixer.h b/mixer.h
index fc5b6c1e71..e626237539 100644
--- a/mixer.h
+++ b/mixer.h
@@ -35,6 +35,7 @@ typedef struct mixer {
     /* Contains ao driver name or "softvol" if volume is not persistent
      * and needs to be restored after the driver is reinitialized. */
     const char *restore_volume;
+    float balance;
 } mixer_t;
 
 void mixer_reinit(struct mixer *mixer, struct ao *ao);