[FFmpeg-cvslog] avcodec/dcadec: dont use hex float, msvc doesnt support it

Michael Niedermayer git at videolan.org
Fri May 23 22:45:01 CEST 2014


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Fri May 23 22:33:55 2014 +0200| [6b88f22e895314164eef00ccbdbf11ad97a7c56f] | committer: Michael Niedermayer

avcodec/dcadec: dont use hex float, msvc doesnt support it

Found-by: nevcairiel
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6b88f22e895314164eef00ccbdbf11ad97a7c56f
---

 libavcodec/dcadec.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c
index c072044..bfbf51a 100644
--- a/libavcodec/dcadec.c
+++ b/libavcodec/dcadec.c
@@ -2107,7 +2107,8 @@ static float dca_dmix_code(unsigned code)
 {
     int sign = (code >> 8) - 1;
     code &= 0xff;
-    return ((dca_dmixtable[code] ^ sign) - sign) * 0x1p-15;
+#define POW2_MINUS15 .000030517578125
+    return ((dca_dmixtable[code] ^ sign) - sign) * POW2_MINUS15;
 }
 
 /**



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