From cb3a994bb148ea4859d11a20b12b2b94cbdc2bee Mon Sep 17 00:00:00 2001 From: Ganesh Ajjanagadde Date: Wed, 23 Dec 2015 10:09:01 -0800 Subject: [PATCH] lavc/aacpsy: replace pow(10,x) by ff_exp10(x) Reviewed-by: Rostislav Pehlivanov Signed-off-by: Ganesh Ajjanagadde --- libavcodec/aacpsy.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/libavcodec/aacpsy.c b/libavcodec/aacpsy.c index 71eeb3e547..8643fe7036 100644 --- a/libavcodec/aacpsy.c +++ b/libavcodec/aacpsy.c @@ -25,6 +25,7 @@ */ #include "libavutil/attributes.h" +#include "libavutil/internal.h" #include "libavutil/libm.h" #include "avcodec.h" @@ -349,10 +350,10 @@ static av_cold int psy_3gpp_init(FFPsyContext *ctx) { for (g = 0; g < ctx->num_bands[j] - 1; g++) { AacPsyCoeffs *coeff = &coeffs[g]; float bark_width = coeffs[g+1].barks - coeffs->barks; - coeff->spread_low[0] = pow(10.0, -bark_width * PSY_3GPP_THR_SPREAD_LOW); - coeff->spread_hi [0] = pow(10.0, -bark_width * PSY_3GPP_THR_SPREAD_HI); - coeff->spread_low[1] = pow(10.0, -bark_width * en_spread_low); - coeff->spread_hi [1] = pow(10.0, -bark_width * en_spread_hi); + coeff->spread_low[0] = ff_exp10(-bark_width * PSY_3GPP_THR_SPREAD_LOW); + coeff->spread_hi [0] = ff_exp10(-bark_width * PSY_3GPP_THR_SPREAD_HI); + coeff->spread_low[1] = ff_exp10(-bark_width * en_spread_low); + coeff->spread_hi [1] = ff_exp10(-bark_width * en_spread_hi); pe_min = bark_pe * bark_width; minsnr = exp2(pe_min / band_sizes[g]) - 1.5f; coeff->min_snr = av_clipf(1.0f / minsnr, PSY_SNR_25DB, PSY_SNR_1DB);