openharmony/third_party_ffmpeg
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_ffmpeg synced 2024-12-19 01:17:09 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Remove mathops.h dependancy.

Browse Source 
Originally committed as revision 14897 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-08-21 23:25:41 +00:00
parent 1f08308249
commit 70d3ba4194
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libavcodec/acelp_filters.c
View File

@ -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) */