diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2008-08-21 23:25:41 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2008-08-21 23:25:41 +0000 |
| commit | 70d3ba419411058a1e150d91a35e191253f2cf54 (patch) | |
| tree | 34bf1ab586969af5886279ba894b8ee4c8d36a44 /libavcodec/acelp_filters.c | |
| parent | 1f083082492a2fc00f0a74b2f0081dd654d84062 (diff) | |
Remove mathops.h dependancy.
Originally committed as revision 14897 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/acelp_filters.c')
| -rw-r--r-- | libavcodec/acelp_filters.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/libavcodec/acelp_filters.c b/libavcodec/acelp_filters.c index 6cd23ea174..b5a6660066 100644 --- a/libavcodec/acelp_filters.c +++ b/libavcodec/acelp_filters.c @@ -24,8 +24,6 @@ #include "avcodec.h" #include "acelp_filters.h" -#define FRAC_BITS 13 -#include "mathops.h" const int16_t ff_acelp_interp_filter[61] = { /* (0.15) */ @@ -152,8 +150,8 @@ void ff_acelp_high_pass_filter( for(i=0; i<length; i++) { - tmp = MULL(hpf_f[0], 15836); /* (14.13) = (13.13) * (1.13) */ - tmp += MULL(hpf_f[1], -7667); /* (13.13) = (13.13) * (0.13) */ + tmp = (hpf_f[0]* 15836LL)>>13; /* (14.13) = (13.13) * (1.13) */ + tmp += (hpf_f[1]* -7667LL)>>13; /* (13.13) = (13.13) * (0.13) */ tmp += 7699 * (in[i] - 2*in[i-1] + in[i-2]); /* (14.13) = (0.13) * (14.0) */ out[i] = av_clip_int16((tmp + 0x800) >> 12); /* (15.0) = 2 * (13.13) = (14.13) */ |