From e02d178f78d7cff93c3c9b7e3c3ac6822c46c563 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Volker=20R=C3=BCmelin?= <vr_qemu@t-online.de>
Date: Sun, 10 Jan 2021 11:02:22 +0100
Subject: [PATCH] sdlaudio: fill remaining sample buffer with silence
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Fill the remaining sample buffer with silence. To fill it with
zeroes is wrong for unsigned samples because this is silence
with a DC bias.
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 9315afe5-5958-c0b4-ea1e-14769511a9d5@t-online.de
Message-Id: <20210110100239.27588-6-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
audio/sdlaudio.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/audio/sdlaudio.c b/audio/sdlaudio.c
index 79eed23849e..01ae4c600e8 100644
--- a/audio/sdlaudio.c
+++ b/audio/sdlaudio.c
@@ -235,7 +235,8 @@ static void sdl_callback (void *opaque, Uint8 *buf, int len)
/* clear remaining buffer that we couldn't fill with data */
if (len) {
- memset(buf, 0, len);
+ audio_pcm_info_clear_buf(&hw->info, buf,
+ len / hw->info.bytes_per_frame);
}
}
--
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