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

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Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
This commit is contained in:
Ganesh Ajjanagadde 2015-12-23 10:23:47 -08:00
parent b0e28da37c
commit 717eeb77e1
1 changed files with 3 additions and 2 deletions
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5
libavcodec/dcaenc.c
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@ -24,6 +24,7 @@
#include "libavutil/avassert.h"
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/internal.h"
#include "avcodec.h"
#include "dca.h"
#include "dcadata.h"
@ -179,7 +180,7 @@ static int encode_init(AVCodecContext *avctx)
cos_table[2048-i] = cos_table[i];
}
for (i = 0; i < 2048; i++) {
cb_to_level[i] = (int32_t)(0x7fffffff * pow(10, -0.005 * i));
cb_to_level[i] = (int32_t)(0x7fffffff * ff_exp10(-0.005 * i));
}
for (k = 0; k < 32; k++) {
@ -205,7 +206,7 @@ static int encode_init(AVCodecContext *avctx)
}
for (i = 0; i < 256; i++) {
double add = 1 + pow(10, -0.01 * i);
double add = 1 + ff_exp10(-0.01 * i);
cb_to_add[i] = (int32_t)(100 * log10(add));
}
for (j = 0; j < 8; j++) {