From bf5c19e05b4817bb169f1ad3c4191be2486c2d8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= <thomas@t-8ch.de>
Date: Sun, 21 Aug 2022 16:51:08 +0200
Subject: [PATCH] audio: don't try to drain non-existent AO

52aed495cb ("audio: drain ao on EOF") introduced logic to drain an AO
when EOF of the input has been reached.
When no AO however is present this leads to a NULL-dereference.

Fixes #10556
---
 player/audio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/player/audio.c b/player/audio.c
index 051a28f85d..92408ebf99 100644
--- a/player/audio.c
+++ b/player/audio.c
@@ -945,7 +945,8 @@ void fill_audio_out_buffers(struct MPContext *mpctx)
                           (opts->gapless_audio && !ao_untimed(ao_c->ao))))
         {
             MP_VERBOSE(mpctx, "audio EOF reached\n");
-            ao_drain(mpctx->ao);
+            if (mpctx->ao)
+                ao_drain(mpctx->ao);
             mpctx->audio_status = STATUS_EOF;
             mp_wakeup_core(mpctx);
         }