From c346f6304c35e9dfffacc6c71a2b3dfd8913d90b Mon Sep 17 00:00:00 2001
From: "Ronald S. Bultje" <rsbultje@gmail.com>
Date: Sun, 18 Mar 2012 13:36:32 -0700
Subject: adpcm: fix nb_samples rounding for adpcm_ima_dk3, and update
 reference.

---
 libavcodec/adpcm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libavcodec/adpcm.c')

diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index 54c3e6d194..3610a58812 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -448,7 +448,7 @@ static int get_nb_samples(AVCodecContext *avctx, const uint8_t *buf,
     case CODEC_ID_ADPCM_IMA_DK3:
         if (avctx->block_align > 0)
             buf_size = FFMIN(buf_size, avctx->block_align);
-        nb_samples = ((buf_size - 16) * 8 / 3) / ch;
+        nb_samples = ((buf_size - 16) * 2 / 3 * 4) / ch;
         break;
     case CODEC_ID_ADPCM_IMA_DK4:
         nb_samples = 1 + (buf_size - 4 * ch) * 2 / ch;
-- 
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