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authorMichael Niedermayer <michaelni@gmx.at>2008-08-21 23:25:41 +0000
committerMichael Niedermayer <michaelni@gmx.at>2008-08-21 23:25:41 +0000
commit70d3ba419411058a1e150d91a35e191253f2cf54 (patch)
tree34bf1ab586969af5886279ba894b8ee4c8d36a44
parent1f083082492a2fc00f0a74b2f0081dd654d84062 (diff)
downloadffmpeg-70d3ba419411058a1e150d91a35e191253f2cf54.tar.gz
Remove mathops.h dependancy.
Originally committed as revision 14897 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--libavcodec/acelp_filters.c6
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) */