From 9a503e386e1469ca63744f626d4047bcd8c03b48 Mon Sep 17 00:00:00 2001
From: aymeric <aymeric@3f6dc0c8-ddfe-455d-9043-3cd528dc4637>
Date: Fri, 1 Jan 2010 18:09:14 +0000
Subject: [PATCH] check if macros is already defined
git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@797 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
---
linphone/mediastreamer2/include/mediastreamer2/waveheader.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/linphone/mediastreamer2/include/mediastreamer2/waveheader.h b/linphone/mediastreamer2/include/mediastreamer2/waveheader.h
index 015bf65efe..d929f5c6d5 100644
--- a/linphone/mediastreamer2/include/mediastreamer2/waveheader.h
+++ b/linphone/mediastreamer2/include/mediastreamer2/waveheader.h
@@ -27,17 +27,23 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifndef waveheader_h
#define waveheader_h
+#ifdef swap16
+#else
/* all integer in wav header must be read in least endian order */
static inline uint16_t swap16(uint16_t a)
{
return ((a & 0xFF) << 8) | ((a & 0xFF00) >> 8);
}
+#endif
+#ifdef swap32
+#else
static inline uint32_t swap32(uint32_t a)
{
return ((a & 0xFF) << 24) | ((a & 0xFF00) << 8) |
((a & 0xFF0000) >> 8) | ((a & 0xFF000000) >> 24);
}
+#endif
#ifdef WORDS_BIGENDIAN
#define le_uint32(a) (swap32((a)))
--
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