From 4784ca32c9d0fc79b08958c02dd3e826d5154d30 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Fri, 26 Sep 2014 15:50:04 +0200
Subject: audio/out: fail init on unknown audio buffer

A 0 audio buffer makes push.c go haywire. Shouldn't normally happen.
---
 audio/out/ao.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'audio/out/ao.c')

diff --git a/audio/out/ao.c b/audio/out/ao.c
index 00bda6d283..9e4dd88b5d 100644
--- a/audio/out/ao.c
+++ b/audio/out/ao.c
@@ -188,6 +188,13 @@ static struct ao *ao_create(bool probing, struct mpv_global *global,
         ao->device_buffer = ao->driver->get_space(ao);
         MP_VERBOSE(ao, "device buffer: %d samples.\n", ao->device_buffer);
     }
+
+    if (ao->device_buffer <= 0) {
+        MP_FATAL(ao, "Couldn't probe device buffer size.\n");
+        ao->driver->uninit(ao);
+        goto error;
+    }
+
     ao->buffer = MPMAX(ao->device_buffer, ao->def_buffer * ao->samplerate);
     MP_VERBOSE(ao, "using soft-buffer of %d samples.\n", ao->buffer);
 
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