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Code Issues Releases Activity

avfilter/af_afir: use segment pointer

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This commit is contained in:
Paul B Mahol 2018-12-28 21:04:50 +01:00
parent 30bf54b9f3
commit 1ba909fabe
1 changed files with 20 additions and 19 deletions
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39
libavfilter/af_afir.c
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@ -59,42 +59,43 @@ static void fcmul_add_c(float *sum, const float *t, const float *c, ptrdiff_t le
static int fir_channel(AVFilterContext *ctx, void *arg, int ch, int nb_jobs)
{
AudioFIRContext *s = ctx->priv;
AudioFIRSegment *seg = &s->seg;
const float *src = (const float *)s->in[0]->extended_data[ch];
float *sum = (float *)s->seg.sum->extended_data[ch];
float *sum = (float *)seg->sum->extended_data[ch];
AVFrame *out = arg;
float *block, *dst, *ptr;
int n, i, j;
memset(sum, 0, sizeof(*sum) * s->seg.fft_length);
block = (float *)s->seg.block->extended_data[ch] + s->seg.part_index * s->seg.block_size;
memset(block, 0, sizeof(*block) * s->seg.fft_length);
memset(sum, 0, sizeof(*sum) * seg->fft_length);
block = (float *)seg->block->extended_data[ch] + seg->part_index * seg->block_size;
memset(block, 0, sizeof(*block) * seg->fft_length);
s->fdsp->vector_fmul_scalar(block, src, s->dry_gain, FFALIGN(out->nb_samples, 4));
emms_c();
av_rdft_calc(s->seg.rdft[ch], block);
block[2 * s->seg.part_size] = block[1];
av_rdft_calc(seg->rdft[ch], block);
block[2 * seg->part_size] = block[1];
block[1] = 0;
j = s->seg.part_index;
j = seg->part_index;
for (i = 0; i < s->seg.nb_partitions; i++) {
const int coffset = i * s->seg.coeff_size;
const float *block = (const float *)s->seg.block->extended_data[ch] + j * s->seg.block_size;
const FFTComplex *coeff = s->seg.coeff[ch * !s->one2many] + coffset;
for (i = 0; i < seg->nb_partitions; i++) {
const int coffset = i * seg->coeff_size;
const float *block = (const float *)seg->block->extended_data[ch] + j * seg->block_size;
const FFTComplex *coeff = seg->coeff[ch * !s->one2many] + coffset;
s->fcmul_add(sum, block, (const float *)coeff, s->seg.part_size);
s->fcmul_add(sum, block, (const float *)coeff, seg->part_size);
if (j == 0)
j = s->seg.nb_partitions;
j = seg->nb_partitions;
j--;
}
sum[1] = sum[2 * s->seg.part_size];
av_rdft_calc(s->seg.irdft[ch], sum);
sum[1] = sum[2 * seg->part_size];
av_rdft_calc(seg->irdft[ch], sum);
dst = (float *)s->seg.buffer->extended_data[ch];
for (n = 0; n < s->seg.part_size; n++) {
dst = (float *)seg->buffer->extended_data[ch];
for (n = 0; n < seg->part_size; n++) {
dst[n] += sum[n];
}
@ -102,8 +103,8 @@ static int fir_channel(AVFilterContext *ctx, void *arg, int ch, int nb_jobs)
s->fdsp->vector_fmul_scalar(ptr, dst, s->wet_gain, FFALIGN(out->nb_samples, 4));
emms_c();
dst = (float *)s->seg.buffer->extended_data[ch];
memcpy(dst, sum + s->seg.part_size, s->seg.part_size * sizeof(*dst));
dst = (float *)seg->buffer->extended_data[ch];
memcpy(dst, sum + seg->part_size, seg->part_size * sizeof(*dst));
return 0;
}