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Code Issues Releases Activity

avfilter/af_arnndn: use scalarproduct_float() in dct function

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This commit is contained in:
Paul B Mahol 2020-08-27 18:49:02 +02:00
parent 0d46043619
commit ace1cc6163
1 changed files with 7 additions and 9 deletions
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16
libavfilter/af_arnndn.c
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@ -141,7 +141,7 @@ typedef struct AudioRNNContext {
DenoiseState *st;
DECLARE_ALIGNED(32, float, window)[WINDOW_SIZE];
float dct_table[NB_BANDS*NB_BANDS];
DECLARE_ALIGNED(32, float, dct_table)[FFALIGN(NB_BANDS, 4)][FFALIGN(NB_BANDS, 4)];
RNNModel *model;
@ -991,11 +991,9 @@ static void pitch_search(const float *x_lp, float *y,
static void dct(AudioRNNContext *s, float *out, const float *in)
{
for (int i = 0; i < NB_BANDS; i++) {
float sum = 0.f;
float sum;
for (int j = 0; j < NB_BANDS; j++) {
sum += in[j] * s->dct_table[j * NB_BANDS + i];
}
sum = s->fdsp->scalarproduct_float(in, s->dct_table[i], FFALIGN(NB_BANDS, 4));
out[i] = sum * sqrtf(2.f / 22);
}
}
@ -1006,7 +1004,7 @@ static int compute_frame_features(AudioRNNContext *s, DenoiseState *st, AVComple
float E = 0;
float *ceps_0, *ceps_1, *ceps_2;
float spec_variability = 0;
float Ly[NB_BANDS];
LOCAL_ALIGNED_32(float, Ly, [NB_BANDS]);
LOCAL_ALIGNED_32(float, p, [WINDOW_SIZE]);
float pitch_buf[PITCH_BUF_SIZE>>1];
int pitch_index;
@ -1348,7 +1346,7 @@ static float rnnoise_channel(AudioRNNContext *s, DenoiseState *st, float *out, c
AVComplexFloat P[WINDOW_SIZE];
float x[FRAME_SIZE];
float Ex[NB_BANDS], Ep[NB_BANDS];
float Exp[NB_BANDS];
LOCAL_ALIGNED_32(float, Exp, [NB_BANDS]);
float features[NB_FEATURES];
float g[NB_BANDS];
float gf[FREQ_SIZE];
@ -1476,9 +1474,9 @@ static av_cold int init(AVFilterContext *ctx)
for (int i = 0; i < NB_BANDS; i++) {
for (int j = 0; j < NB_BANDS; j++) {
s->dct_table[i*NB_BANDS + j] = cosf((i + .5f) * j * M_PI / NB_BANDS);
s->dct_table[j][i] = cosf((i + .5f) * j * M_PI / NB_BANDS);
if (j == 0)
s->dct_table[i*NB_BANDS + j] *= sqrtf(.5);
s->dct_table[j][i] *= sqrtf(.5);
}
}