From 5fc34cb4d67432cb46aeefba0025cc364df02e98 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Wed, 2 Sep 2020 22:22:45 +0200
Subject: ao_alsa: log more information on short writes

---
 audio/out/ao_alsa.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'audio')

diff --git a/audio/out/ao_alsa.c b/audio/out/ao_alsa.c
index 49bdd32835..552982ffb2 100644
--- a/audio/out/ao_alsa.c
+++ b/audio/out/ao_alsa.c
@@ -1085,8 +1085,10 @@ static bool audio_write(struct ao *ao, void **data, int samples)
     }
 
     CHECK_ALSA_ERROR("pcm write error");
-    if (err != samples)
-        MP_WARN(ao, "unexpected short write\n");
+    if (err >= 0 && err != samples) {
+        MP_WARN(ao, "unexpected short write (%d of %d frames), dropping audio\n",
+                (int)err, samples);
+    }
 
     return true;
 
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