mirror of
https://github.com/DrBeef/ioq3quest.git
synced 2024-12-11 21:21:32 +00:00
84 lines
3 KiB
C
84 lines
3 KiB
C
/* Copyright (C) 2004 Jean-Marc Valin */
|
|
/**
|
|
@file cb_search_sse.h
|
|
@brief Fixed codebook functions (SSE version)
|
|
*/
|
|
/*
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
- Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
|
|
- Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
- Neither the name of the Xiph.org Foundation nor the names of its
|
|
contributors may be used to endorse or promote products derived from
|
|
this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
|
|
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <xmmintrin.h>
|
|
|
|
static inline void _spx_mm_getr_ps (__m128 U, float *__Z, float *__Y, float *__X, float *__W)
|
|
{
|
|
union {
|
|
float __a[4];
|
|
__m128 __v;
|
|
} __u;
|
|
|
|
__u.__v = U;
|
|
|
|
*__Z = __u.__a[0];
|
|
*__Y = __u.__a[1];
|
|
*__X = __u.__a[2];
|
|
*__W = __u.__a[3];
|
|
|
|
}
|
|
|
|
#define OVERRIDE_COMPUTE_WEIGHTED_CODEBOOK
|
|
static void compute_weighted_codebook(const signed char *shape_cb, const spx_sig_t *_r, float *resp, __m128 *resp2, __m128 *E, int shape_cb_size, int subvect_size, char *stack)
|
|
{
|
|
int i, j, k;
|
|
__m128 resj, EE;
|
|
VARDECL(__m128 *r);
|
|
VARDECL(__m128 *shape);
|
|
ALLOC(r, subvect_size, __m128);
|
|
ALLOC(shape, subvect_size, __m128);
|
|
for(j=0;j<subvect_size;j++)
|
|
r[j] = _mm_load_ps1(_r+j);
|
|
for (i=0;i<shape_cb_size;i+=4)
|
|
{
|
|
float *_res = resp+i*subvect_size;
|
|
const signed char *_shape = shape_cb+i*subvect_size;
|
|
EE = _mm_setzero_ps();
|
|
for(j=0;j<subvect_size;j++)
|
|
{
|
|
shape[j] = _mm_setr_ps(0.03125*_shape[j], 0.03125*_shape[subvect_size+j], 0.03125*_shape[2*subvect_size+j], 0.03125*_shape[3*subvect_size+j]);
|
|
}
|
|
for(j=0;j<subvect_size;j++)
|
|
{
|
|
resj = _mm_setzero_ps();
|
|
for (k=0;k<=j;k++)
|
|
resj = _mm_add_ps(resj, _mm_mul_ps(shape[k],r[j-k]));
|
|
_spx_mm_getr_ps(resj, _res+j, _res+subvect_size+j, _res+2*subvect_size+j, _res+3*subvect_size+j);
|
|
*resp2++ = resj;
|
|
EE = _mm_add_ps(EE, _mm_mul_ps(resj, resj));
|
|
}
|
|
E[i>>2] = EE;
|
|
}
|
|
}
|