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lavc/wmaenc: 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 10:36:30 -08:00
parent 62765c0014
commit 3343e4e607
1 changed files with 3 additions and 2 deletions
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5
libavcodec/wmaenc.c
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@ -20,6 +20,7 @@
*/
#include "libavutil/attributes.h"
#include "libavutil/internal.h"
#include "avcodec.h"
#include "internal.h"
@ -132,7 +133,7 @@ static void init_exp(WMACodecContext *s, int ch, const int *exp_param)
max_scale = 0;
while (q < q_end) {
/* XXX: use a table */
v = pow(10, *exp_param++ *(1.0 / 16.0));
v = ff_exp10(*exp_param++ *(1.0 / 16.0));
max_scale = FFMAX(max_scale, v);
n = *ptr++;
do {
@ -227,7 +228,7 @@ static int encode_block(WMACodecContext *s, float (*src_coefs)[BLOCK_MAX_SIZE],
coefs1 = s->coefs1[ch];
exponents = s->exponents[ch];
mult = pow(10, total_gain * 0.05) / s->max_exponent[ch];
mult = ff_exp10(total_gain * 0.05) / s->max_exponent[ch];
mult *= mdct_norm;
coefs = src_coefs[ch];
if (s->use_noise_coding && 0) {