audio: add device selection & listing with --audio-device

Not sure how good of an idea this is.

This commit doesn't add support for this to any AO yet; the AO
implementations will follow later.

1 files changed, 4 insertions, 0 deletions

diff --git a/player/main.c b/player/main.c
index af1d3427dc..bf14b25340 100644
--- a/player/main.c
+++ b/player/main.c
@@ -229,6 +229,10 @@ static bool handle_help_options(struct MPContext *mpctx)
         MP_INFO(mpctx, "\n");
         opt_exit = 1;
     }
+    if (opts->audio_device && strcmp(opts->audio_device, "help") == 0) {
+        ao_print_devices(log);
+        opt_exit = 1;
+    }
 #if HAVE_ENCODING
     if (encode_lavc_showhelp(log, opts->encode_opts))
         opt_exit = 1;