| /* |
| * AAC Spectral Band Replication decoding functions |
| * Copyright (c) 2012 Christophe Gisquet <christophe.gisquet@gmail.com> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg 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. |
| * |
| * FFmpeg 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 FFmpeg; 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); |
| |
| void ff_sbr_qmf_deint_neg_sse(float *v, const float *src); |
| |
| av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s) |
| { |
| int cpu_flags = av_get_cpu_flags(); |
| |
| if (EXTERNAL_SSE(cpu_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; |
| s->qmf_deint_neg = ff_sbr_qmf_deint_neg_sse; |
| } |
| |
| if (EXTERNAL_SSE2(cpu_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; |
| } |
| } |