From a7a85dc4c2e3fa818573ab1adc547758fe95b539 Mon Sep 17 00:00:00 2001
From: "Ronald S. Bultje" <rsbultje@gmail.com>
Date: Wed, 17 Mar 2010 15:14:18 +0000
Subject: [PATCH] Cast sample_fmt (as read from bitstream as a 16-bit value) to
 int16, so that negative values, e.g. SAMPLE_FMT_NONE (-1), are read correctly
 also.

Originally committed as revision 22585 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/ffmdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/ffmdec.c b/libavformat/ffmdec.c
index ff61f21c91..b39836adb4 100644
--- a/libavformat/ffmdec.c
+++ b/libavformat/ffmdec.c
@@ -354,7 +354,7 @@ static int ffm_read_header(AVFormatContext *s, AVFormatParameters *ap)
             codec->sample_rate = get_be32(pb);
             codec->channels = get_le16(pb);
             codec->frame_size = get_le16(pb);
-            codec->sample_fmt = get_le16(pb);
+            codec->sample_fmt = (int16_t) get_le16(pb);
             break;
         default:
             goto fail;