diff options
Diffstat (limited to 'libavcodec/wmavoice.c')
| -rw-r--r-- | libavcodec/wmavoice.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/wmavoice.c b/libavcodec/wmavoice.c index fcbee0ef8e..f6550c6a71 100644 --- a/libavcodec/wmavoice.c +++ b/libavcodec/wmavoice.c @@ -636,12 +636,14 @@ static void calc_input_response(WMAVoiceContext *s, float *lpcs, for (n = 0; n <= 64; n++) { float pwr; - idx = FFMAX(0, lrint((max - lpcs[n]) * irange) - 1); + idx = lrint((max - lpcs[n]) * irange - 1); + idx = FFMAX(0, idx); pwr = wmavoice_denoise_power_table[s->denoise_strength][idx]; lpcs[n] = angle_mul * pwr; /* 70.57 =~ 1/log10(1.0331663) */ - idx = (pwr * gain_mul - 0.0295) * 70.570526123; + idx = av_clipf((pwr * gain_mul - 0.0295) * 70.570526123, 0, INT_MAX / 2); + if (idx > 127) { // fall back if index falls outside table range coeffs[n] = wmavoice_energy_table[127] * powf(1.0331663, idx - 127); |