From 75fb5c24ed16743a31d5838b55984b4bf89d48bb Mon Sep 17 00:00:00 2001
From: Måns Rullgård <mans@mansr.com>
Date: Tue, 19 Jan 2010 23:25:36 +0000
Subject: Move FASTDIV macro to intmath.h

Originally committed as revision 21335 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavutil/intmath.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'libavutil/intmath.h')

diff --git a/libavutil/intmath.h b/libavutil/intmath.h
index 39e14c28ae..7aff78ceb1 100644
--- a/libavutil/intmath.h
+++ b/libavutil/intmath.h
@@ -24,6 +24,14 @@
 #include "config.h"
 #include "common.h"
 
+extern const uint32_t ff_inverse[257];
+
+#if   ARCH_ARM
+#   include "arm/intmath.h"
+#elif ARCH_X86
+#   include "x86/intmath.h"
+#endif
+
 #if HAVE_FAST_CLZ && AV_GCC_VERSION_AT_LEAST(3,4)
 
 #ifndef av_log2
@@ -38,4 +46,14 @@
 
 #endif /* AV_GCC_VERSION_AT_LEAST(3,4) */
 
+#ifndef FASTDIV
+
+#if CONFIG_FASTDIV
+#    define FASTDIV(a,b)   ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32))
+#else
+#    define FASTDIV(a,b)   ((a) / (b))
+#endif
+
+#endif /* FASTDIV */
+
 #endif /* AVUTIL_INTMATH_H */
-- 
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