diff options
| author | Ganesh Ajjanagadde <gajjanagadde@gmail.com> | 2015-11-25 18:08:45 -0500 |
|---|---|---|
| committer | Ganesh Ajjanagadde <gajjanagadde@gmail.com> | 2015-12-11 10:35:15 -0500 |
| commit | b8e5b1d786822d4a6bcf381c2445805ef603aa74 (patch) | |
| tree | 7b8130d9a1e747f68214131005f2fb3eb5a21e2b /libavcodec/mdct_template.c | |
| parent | df679f12649d4184eebe02fe4cdd80c2952d0022 (diff) | |
lavc/mdct_template: use lrint instead of floor hack
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Diffstat (limited to 'libavcodec/mdct_template.c')
| -rw-r--r-- | libavcodec/mdct_template.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libavcodec/mdct_template.c b/libavcodec/mdct_template.c index e7e5f622f1..04396b46d6 100644 --- a/libavcodec/mdct_template.c +++ b/libavcodec/mdct_template.c @@ -22,6 +22,7 @@ #include <stdlib.h> #include <string.h> #include "libavutil/common.h" +#include "libavutil/libm.h" #include "libavutil/mathematics.h" #include "fft.h" #include "fft-internal.h" @@ -82,8 +83,8 @@ av_cold int ff_mdct_init(FFTContext *s, int nbits, int inverse, double scale) for(i=0;i<n4;i++) { alpha = 2 * M_PI * (i + theta) / n; #if FFT_FIXED_32 - s->tcos[i*tstep] = (FFTSample)floor(-cos(alpha) * 2147483648.0 + 0.5); - s->tsin[i*tstep] = (FFTSample)floor(-sin(alpha) * 2147483648.0 + 0.5); + s->tcos[i*tstep] = lrint(-cos(alpha) * 2147483648.0); + s->tsin[i*tstep] = lrint(-sin(alpha) * 2147483648.0); #else s->tcos[i*tstep] = FIX15(-cos(alpha) * scale); s->tsin[i*tstep] = FIX15(-sin(alpha) * scale); |