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| author | Ganesh Ajjanagadde <gajjanagadde@gmail.com> | 2015-12-23 10:09:01 -0800 |
|---|---|---|
| committer | Ganesh Ajjanagadde <gajjanagadde@gmail.com> | 2015-12-25 10:48:18 -0800 |
| commit | cb3a994bb148ea4859d11a20b12b2b94cbdc2bee (patch) | |
| tree | 5ff1c437d209318ccc38178cf04fd1c30f74b786 /libavcodec/aacpsy.c | |
| parent | 421679dbf799c8f70332b62434c86f7da27ec181 (diff) | |
| download | ffmpeg-cb3a994bb148ea4859d11a20b12b2b94cbdc2bee.tar.gz | |
lavc/aacpsy: replace pow(10,x) by ff_exp10(x)
Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Diffstat (limited to 'libavcodec/aacpsy.c')
| -rw-r--r-- | libavcodec/aacpsy.c | 9 |
1 files 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); |