mp3dec: adjust IMDCT scaling to avoid overflows

Fixes ticket268 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-08-02 04:21:53 +02:00
parent 98a2f4e87b
commit 571572fcdd
3 changed files with 5 additions and 3 deletions
--- a/libavcodec/mpegaudio.h
+++ b/libavcodec/mpegaudio.h
@@ -52,6 +52,8 @@
 #define WFRAC_BITS  16   /* fractional bits for window */
 #endif

+#define IMDCT_SCALAR 1.759
+
 #define FRAC_ONE    (1 << FRAC_BITS)

 #define FIX(a)   ((int)((a) * FRAC_ONE))