mirror of https://git.ffmpeg.org/ffmpeg.git
77 lines
3.3 KiB
C
77 lines
3.3 KiB
C
/*
|
|
* AAC Spectral Band Replication decoding functions
|
|
* Copyright (c) 2012 Christophe Gisquet <christophe.gisquet@gmail.com>
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* Libav is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "libavutil/attributes.h"
|
|
#include "libavutil/cpu.h"
|
|
#include "libavutil/x86/cpu.h"
|
|
#include "libavcodec/sbrdsp.h"
|
|
|
|
float ff_sbr_sum_square_sse(float (*x)[2], int n);
|
|
void ff_sbr_sum64x5_sse(float *z);
|
|
void ff_sbr_hf_g_filt_sse(float (*Y)[2], const float (*X_high)[40][2],
|
|
const float *g_filt, int m_max, intptr_t ixh);
|
|
void ff_sbr_hf_gen_sse(float (*X_high)[2], const float (*X_low)[2],
|
|
const float alpha0[2], const float alpha1[2],
|
|
float bw, int start, int end);
|
|
void ff_sbr_neg_odd_64_sse(float *z);
|
|
void ff_sbr_qmf_post_shuffle_sse(float W[32][2], const float *z);
|
|
void ff_sbr_qmf_deint_bfly_sse(float *v, const float *src0, const float *src1);
|
|
void ff_sbr_qmf_deint_bfly_sse2(float *v, const float *src0, const float *src1);
|
|
void ff_sbr_qmf_pre_shuffle_sse2(float *z);
|
|
|
|
void ff_sbr_hf_apply_noise_0_sse2(float (*Y)[2], const float *s_m,
|
|
const float *q_filt, int noise,
|
|
int kx, int m_max);
|
|
void ff_sbr_hf_apply_noise_1_sse2(float (*Y)[2], const float *s_m,
|
|
const float *q_filt, int noise,
|
|
int kx, int m_max);
|
|
void ff_sbr_hf_apply_noise_2_sse2(float (*Y)[2], const float *s_m,
|
|
const float *q_filt, int noise,
|
|
int kx, int m_max);
|
|
void ff_sbr_hf_apply_noise_3_sse2(float (*Y)[2], const float *s_m,
|
|
const float *q_filt, int noise,
|
|
int kx, int m_max);
|
|
|
|
av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s)
|
|
{
|
|
int mm_flags = av_get_cpu_flags();
|
|
|
|
if (EXTERNAL_SSE(mm_flags)) {
|
|
s->neg_odd_64 = ff_sbr_neg_odd_64_sse;
|
|
s->sum_square = ff_sbr_sum_square_sse;
|
|
s->sum64x5 = ff_sbr_sum64x5_sse;
|
|
s->hf_g_filt = ff_sbr_hf_g_filt_sse;
|
|
s->hf_gen = ff_sbr_hf_gen_sse;
|
|
s->qmf_post_shuffle = ff_sbr_qmf_post_shuffle_sse;
|
|
s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_sse;
|
|
}
|
|
|
|
if (EXTERNAL_SSE2(mm_flags)) {
|
|
s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_sse2;
|
|
s->qmf_pre_shuffle = ff_sbr_qmf_pre_shuffle_sse2;
|
|
s->hf_apply_noise[0] = ff_sbr_hf_apply_noise_0_sse2;
|
|
s->hf_apply_noise[1] = ff_sbr_hf_apply_noise_1_sse2;
|
|
s->hf_apply_noise[2] = ff_sbr_hf_apply_noise_2_sse2;
|
|
s->hf_apply_noise[3] = ff_sbr_hf_apply_noise_3_sse2;
|
|
}
|
|
}
|