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avfilter/af_surround: cache constant rdft_size inside loops

This commit is contained in:
Paul B Mahol 2023-05-12 10:13:18 +02:00
parent 4fd729a1f8
commit 09cd89df27
1 changed files with 12 additions and 6 deletions
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18
libavfilter/af_surround.c
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@ -747,6 +747,7 @@ static void filter_stereo(AVFilterContext *ctx)
const float *srcl = (const float *)s->input->extended_data[0];
const float *srcr = (const float *)s->input->extended_data[1];
const int output_lfe = s->output_lfe && s->create_lfe;
const int rdft_size = s->rdft_size;
const int lfe_mode = s->lfe_mode;
const float highcut = s->highcut;
const float lowcut = s->lowcut;
@ -761,7 +762,7 @@ static void filter_stereo(AVFilterContext *ctx)
float *xpos = s->x_pos;
float *ypos = s->y_pos;
for (int n = 0; n < s->rdft_size; n++) {
for (int n = 0; n < rdft_size; n++) {
float l_re = srcl[2 * n], r_re = srcr[2 * n];
float l_im = srcl[2 * n + 1], r_im = srcr[2 * n + 1];
float c_phase = atan2f(l_im + r_im, l_re + r_re);
@ -801,6 +802,7 @@ static void filter_2_1(AVFilterContext *ctx)
const float *srcl = (const float *)s->input->extended_data[0];
const float *srcr = (const float *)s->input->extended_data[1];
const float *srclfe = (const float *)s->input->extended_data[2];
const int rdft_size = s->rdft_size;
const float angle = s->angle;
const float focus = s->focus;
float *magtotal = s->mag_total;
@ -813,7 +815,7 @@ static void filter_2_1(AVFilterContext *ctx)
float *xpos = s->x_pos;
float *ypos = s->y_pos;
for (int n = 0; n < s->rdft_size; n++) {
for (int n = 0; n < rdft_size; n++) {
float l_re = srcl[2 * n], r_re = srcr[2 * n];
float l_im = srcl[2 * n + 1], r_im = srcr[2 * n + 1];
float lfe_re = srclfe[2 * n], lfe_im = srclfe[2 * n + 1];
@ -858,6 +860,7 @@ static void filter_surround(AVFilterContext *ctx)
const float *srcr = (const float *)s->input->extended_data[1];
const float *srcc = (const float *)s->input->extended_data[2];
const int output_lfe = s->output_lfe && s->create_lfe;
const int rdft_size = s->rdft_size;
const int lfe_mode = s->lfe_mode;
const float highcut = s->highcut;
const float lowcut = s->lowcut;
@ -872,7 +875,7 @@ static void filter_surround(AVFilterContext *ctx)
float *xpos = s->x_pos;
float *ypos = s->y_pos;
for (int n = 0; n < s->rdft_size; n++) {
for (int n = 0; n < rdft_size; n++) {
float l_re = srcl[2 * n], r_re = srcr[2 * n];
float l_im = srcl[2 * n + 1], r_im = srcr[2 * n + 1];
float c_re = srcc[2 * n], c_im = srcc[2 * n + 1];
@ -910,6 +913,7 @@ static void filter_surround(AVFilterContext *ctx)
static void filter_5_0_side(AVFilterContext *ctx)
{
AudioSurroundContext *s = ctx->priv;
const int rdft_size = s->rdft_size;
float *srcl, *srcr, *srcc, *srcsl, *srcsr;
int n;
@ -919,7 +923,7 @@ static void filter_5_0_side(AVFilterContext *ctx)
srcsl = (float *)s->input->extended_data[3];
srcsr = (float *)s->input->extended_data[4];
for (n = 0; n < s->rdft_size; n++) {
for (n = 0; n < rdft_size; n++) {
float fl_re = srcl[2 * n], fr_re = srcr[2 * n];
float fl_im = srcl[2 * n + 1], fr_im = srcr[2 * n + 1];
float c_re = srcc[2 * n], c_im = srcc[2 * n + 1];
@ -967,6 +971,7 @@ static void filter_5_0_side(AVFilterContext *ctx)
static void filter_5_1_side(AVFilterContext *ctx)
{
AudioSurroundContext *s = ctx->priv;
const int rdft_size = s->rdft_size;
float *srcl, *srcr, *srcc, *srclfe, *srcsl, *srcsr;
int n;
@ -977,7 +982,7 @@ static void filter_5_1_side(AVFilterContext *ctx)
srcsl = (float *)s->input->extended_data[4];
srcsr = (float *)s->input->extended_data[5];
for (n = 0; n < s->rdft_size; n++) {
for (n = 0; n < rdft_size; n++) {
float fl_re = srcl[2 * n], fr_re = srcr[2 * n];
float fl_im = srcl[2 * n + 1], fr_im = srcr[2 * n + 1];
float c_re = srcc[2 * n], c_im = srcc[2 * n + 1];
@ -1026,6 +1031,7 @@ static void filter_5_1_side(AVFilterContext *ctx)
static void filter_5_1_back(AVFilterContext *ctx)
{
AudioSurroundContext *s = ctx->priv;
const int rdft_size = s->rdft_size;
float *srcl, *srcr, *srcc, *srclfe, *srcbl, *srcbr;
int n;
@ -1036,7 +1042,7 @@ static void filter_5_1_back(AVFilterContext *ctx)
srcbl = (float *)s->input->extended_data[4];
srcbr = (float *)s->input->extended_data[5];
for (n = 0; n < s->rdft_size; n++) {
for (n = 0; n < rdft_size; n++) {
float fl_re = srcl[2 * n], fr_re = srcr[2 * n];
float fl_im = srcl[2 * n + 1], fr_im = srcr[2 * n + 1];
float c_re = srcc[2 * n], c_im = srcc[2 * n + 1];