#include "gcc_fixes.h"
#include "dsputil_altivec.h"
+#include "util_altivec.h"
static void vector_fmul_altivec(float *dst, const float *src, int len)
{
ff_vector_fmul_add_add_c(dst, src0, src1, src2, src3, len, step);
}
+static void vector_fmul_window_altivec(float *dst, const float *src0, const float *src1, const float *win, float add_bias, int len)
+{
+ union {
+ vector float v;
+ float s[4];
+ } vadd;
+ vector float vadd_bias, zero, t0, t1, s0, s1, wi, wj;
+ const vector unsigned char reverse = vcprm(3,2,1,0);
+ int i,j;
+
+ dst += len;
+ win += len;
+ src0+= len;
+
+ vadd.s[0] = add_bias;
+ vadd_bias = vec_splat(vadd.v, 0);
+ zero = (vector float)vec_splat_u32(0);
+
+ for(i=-len*4, j=len*4-16; i<0; i+=16, j-=16) {
+ s0 = vec_ld(i, src0);
+ s1 = vec_ld(j, src1);
+ wi = vec_ld(i, win);
+ wj = vec_ld(j, win);
+
+ s1 = vec_perm(s1, s1, reverse);
+ wj = vec_perm(wj, wj, reverse);
+
+ t0 = vec_madd(s0, wj, vadd_bias);
+ t0 = vec_nmsub(s1, wi, t0);
+ t1 = vec_madd(s0, wi, vadd_bias);
+ t1 = vec_madd(s1, wj, t1);
+ t1 = vec_perm(t1, t1, reverse);
+
+ vec_st(t0, i, dst);
+ vec_st(t1, j, dst);
+ }
+}
+
+static void int32_to_float_fmul_scalar_altivec(float *dst, const int *src, float mul, int len)
+{
+ union {
+ vector float v;
+ float s[4];
+ } mul_u;
+ int i;
+ vector float src1, src2, dst1, dst2, mul_v, zero;
+
+ zero = (vector float)vec_splat_u32(0);
+ mul_u.s[0] = mul;
+ mul_v = vec_splat(mul_u.v, 0);
+
+ for(i=0; i<len; i+=8) {
+ src1 = vec_ctf(vec_ld(0, src+i), 0);
+ src2 = vec_ctf(vec_ld(16, src+i), 0);
+ dst1 = vec_madd(src1, mul_v, zero);
+ dst2 = vec_madd(src2, mul_v, zero);
+ vec_st(dst1, 0, dst+i);
+ vec_st(dst2, 16, dst+i);
+ }
+}
+
static vector signed short
float_to_int16_one_altivec(const float *src)
return vec_packs(t0,t1);
}
-static void float_to_int16_altivec(int16_t *dst, const float *src, int len)
+static void float_to_int16_altivec(int16_t *dst, const float *src, long len)
{
int i;
vector signed short d0, d1, d;
c->vector_fmul = vector_fmul_altivec;
c->vector_fmul_reverse = vector_fmul_reverse_altivec;
c->vector_fmul_add_add = vector_fmul_add_add_altivec;
+ c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_altivec;
if(!(avctx->flags & CODEC_FLAG_BITEXACT)) {
+ c->vector_fmul_window = vector_fmul_window_altivec;
c->float_to_int16 = float_to_int16_altivec;
c->float_to_int16_interleave = float_to_int16_interleave_altivec;
}