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avfilter/af_afir: remove not needed operations

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This commit is contained in:
Paul B Mahol 2018-12-27 12:55:07 +01:00
parent b5e0a0fe3a
commit ff0b4d5af7
1 changed files with 2 additions and 3 deletions
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5
libavfilter/af_afir.c
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@ -72,7 +72,7 @@ static int fir_channel(AVFilterContext *ctx, void *arg, int ch, int nb_jobs)
block = s->block[ch] + s->part_index * s->block_size;
memset(block, 0, sizeof(*block) * s->fft_length);
s->fdsp->vector_fmul_scalar(block + s->part_size, src, s->dry_gain, FFALIGN(s->nb_samples, 4));
s->fdsp->vector_fmul_scalar(block, src, s->dry_gain, FFALIGN(s->nb_samples, 4));
emms_c();
av_rdft_calc(s->rdft[ch], block);
@ -401,12 +401,11 @@ static int convert_coeffs(AVFilterContext *ctx)
const float scale = 1.f / s->part_size;
const int toffset = i * s->part_size;
const int coffset = i * s->coeff_size;
const int boffset = s->part_size;
const int remaining = s->nb_taps - (i * s->part_size);
const int size = remaining >= s->part_size ? s->part_size : remaining;
memset(block, 0, sizeof(*block) * s->fft_length);
memcpy(block + boffset, time + toffset, size * sizeof(*block));
memcpy(block, time + toffset, size * sizeof(*block));
av_rdft_calc(s->rdft[0], block);