highperfocused/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

lavc/cngdec: replace pow(10,x) by ff_exp10(x)

Browse Source 
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
This commit is contained in:
Ganesh Ajjanagadde
2015-12-23 10:20:15 -08:00
parent cb3a994bb1
commit b0e28da37c
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
libavcodec/cngdec.c
View File

@ -22,6 +22,7 @@
#include <math.h> #include <math.h>
#include "libavutil/common.h" #include "libavutil/common.h"
#include "libavutil/internal.h"
#include "avcodec.h" #include "avcodec.h"
#include "celp_filters.h" #include "celp_filters.h"
#include "internal.h" #include "internal.h"
@ -112,7 +113,7 @@ static int cng_decode_frame(AVCodecContext *avctx, void *data,
if (avpkt->size) { if (avpkt->size) {
int dbov = -avpkt->data[0]; int dbov = -avpkt->data[0];
p->target_energy = 1081109975 * pow(10, dbov / 10.0) * 0.75; p->target_energy = 1081109975 * ff_exp10(dbov / 10.0) * 0.75;
memset(p->target_refl_coef, 0, p->order * sizeof(*p->target_refl_coef)); memset(p->target_refl_coef, 0, p->order * sizeof(*p->target_refl_coef));
for (i = 0; i < FFMIN(avpkt->size - 1, p->order); i++) { for (i = 0; i < FFMIN(avpkt->size - 1, p->order); i++) {
p->target_refl_coef[i] = (avpkt->data[1 + i] - 127) / 128.0; p->target_refl_coef[i] = (avpkt->data[1 + i] - 127) / 128.0;