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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-08-02 04:21:53 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-08-02 04:21:53 +0200 |
| commit | 571572fcddc16ebe3d60054ae5a2db05800c1d6d (patch) | |
| tree | 77b2fadc220bc7df13653d49446b9f981bfb98a8 /libavcodec/mpegaudio.h | |
| parent | 98a2f4e87b5c9439cf66a36b1089c7168206f9b2 (diff) | |
| download | ffmpeg-571572fcddc16ebe3d60054ae5a2db05800c1d6d.tar.gz | |
mp3dec: adjust IMDCT scaling to avoid overflows
Fixes ticket268
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/mpegaudio.h')
| -rw-r--r-- | libavcodec/mpegaudio.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/mpegaudio.h b/libavcodec/mpegaudio.h index b829cd3f8a..b880b7a832 100644 --- 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)) |