* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "config.h"
#include "libavutil/attributes.h"
#include "sbrdsp.h"
static float sbr_sum_square_c(float (*x)[2], int n)
{
- float sum = 0.0f;
+ float sum0 = 0.0f, sum1 = 0.0f;
int i;
- for (i = 0; i < n; i++)
- sum += x[i][0] * x[i][0] + x[i][1] * x[i][1];
+ for (i = 0; i < n; i += 2)
+ {
+ sum0 += x[i + 0][0] * x[i + 0][0];
+ sum1 += x[i + 0][1] * x[i + 0][1];
+ sum0 += x[i + 1][0] * x[i + 1][0];
+ sum1 += x[i + 1][1] * x[i + 1][1];
+ }
- return sum;
+ return sum0 + sum1;
}
static void sbr_neg_odd_64_c(float *x)
}
static void sbr_hf_g_filt_c(float (*Y)[2], const float (*X_high)[40][2],
- const float *g_filt, int m_max, int ixh)
+ const float *g_filt, int m_max, intptr_t ixh)
{
int m;
s->hf_apply_noise[1] = sbr_hf_apply_noise_1;
s->hf_apply_noise[2] = sbr_hf_apply_noise_2;
s->hf_apply_noise[3] = sbr_hf_apply_noise_3;
+
+ if (ARCH_ARM)
+ ff_sbrdsp_init_arm(s);
+ if (HAVE_MMX)
+ ff_sbrdsp_init_x86(s);
}