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| author | Ganesh Ajjanagadde <gajjanagadde@gmail.com> | 2015-12-23 12:24:44 -0800 |
|---|---|---|
| committer | Ganesh Ajjanagadde <gajjanagadde@gmail.com> | 2015-12-25 10:48:18 -0800 |
| commit | 0abdcae5a9075fc5527b273822c50ae04c7b0c8f (patch) | |
| tree | cdd44a87876e9c1896b2ce7f974ff6d333cdb486 /libavcodec/acelp_pitch_delay.c | |
| parent | 25ae086db2c1203d447dc4ab866839d56390f9eb (diff) | |
| download | ffmpeg-0abdcae5a9075fc5527b273822c50ae04c7b0c8f.tar.gz | |
lavc/acelp_pitch_delay: replace exp2f(M_LOG2_10 *x) by ff_exp10f(x)
Suggested-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Diffstat (limited to 'libavcodec/acelp_pitch_delay.c')
| -rw-r--r-- | libavcodec/acelp_pitch_delay.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/acelp_pitch_delay.c b/libavcodec/acelp_pitch_delay.c index 3ecec01cbe..c2533b1eb1 100644 --- a/libavcodec/acelp_pitch_delay.c +++ b/libavcodec/acelp_pitch_delay.c @@ -22,6 +22,7 @@ #include "libavutil/common.h" #include "libavutil/float_dsp.h" +#include "libavutil/internal.h" #include "libavutil/libm.h" #include "libavutil/mathematics.h" #include "avcodec.h" @@ -132,7 +133,7 @@ float ff_amr_set_fixed_gain(float fixed_gain_factor, float fixed_mean_energy, // ^g_c = ^gamma_gc * 100.05 (predicted dB + mean dB - dB of fixed vector) // Note 10^(0.05 * -10log(average x2)) = 1/sqrt((average x2)). float val = fixed_gain_factor * - exp2f(M_LOG2_10 * 0.05 * + ff_exp10(0.05 * (avpriv_scalarproduct_float_c(pred_table, prediction_error, 4) + energy_mean)) / sqrtf(fixed_mean_energy); |