1/* 2 * Copyright (c) 2010 Mans Rullgard <mans@mansr.com> 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#include "config.h" 22 23#include "libavutil/arm/cpu.h" 24#include "libavutil/attributes.h" 25#include "libavcodec/dcadsp.h" 26 27void ff_dca_lfe_fir0_neon(float *out, const float *in, const float *coefs); 28void ff_dca_lfe_fir1_neon(float *out, const float *in, const float *coefs); 29 30void ff_dca_lfe_fir32_vfp(float *out, const float *in, const float *coefs); 31void ff_dca_lfe_fir64_vfp(float *out, const float *in, const float *coefs); 32 33void ff_dca_qmf_32_subbands_vfp(float samples_in[32][8], int sb_act, 34 SynthFilterContext *synth, FFTContext *imdct, 35 float synth_buf_ptr[512], 36 int *synth_buf_offset, float synth_buf2[32], 37 const float window[512], float *samples_out, 38 float raXin[32], float scale); 39 40void ff_synth_filter_float_vfp(FFTContext *imdct, 41 float *synth_buf_ptr, int *synth_buf_offset, 42 float synth_buf2[32], const float window[512], 43 float out[32], const float in[32], 44 float scale); 45 46void ff_synth_filter_float_neon(FFTContext *imdct, 47 float *synth_buf_ptr, int *synth_buf_offset, 48 float synth_buf2[32], const float window[512], 49 float out[32], const float in[32], 50 float scale); 51 52void ff_decode_hf_neon(float dst[DCA_SUBBANDS][8], 53 const int32_t vq_num[DCA_SUBBANDS], 54 const int8_t hf_vq[1024][32], intptr_t vq_offset, 55 int32_t scale[DCA_SUBBANDS][2], 56 intptr_t start, intptr_t end); 57 58av_cold void ff_dcadsp_init_arm(DCADSPContext *s) 59{ 60 int cpu_flags = av_get_cpu_flags(); 61 62 if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags)) { 63 s->lfe_fir[0] = ff_dca_lfe_fir32_vfp; 64 s->lfe_fir[1] = ff_dca_lfe_fir64_vfp; 65 s->qmf_32_subbands = ff_dca_qmf_32_subbands_vfp; 66 } 67 if (have_neon(cpu_flags)) { 68 s->lfe_fir[0] = ff_dca_lfe_fir0_neon; 69 s->lfe_fir[1] = ff_dca_lfe_fir1_neon; 70 s->decode_hf = ff_decode_hf_neon; 71 } 72} 73 74av_cold void ff_synth_filter_init_arm(SynthFilterContext *s) 75{ 76 int cpu_flags = av_get_cpu_flags(); 77 78 if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags)) 79 s->synth_filter_float = ff_synth_filter_float_vfp; 80 if (have_neon(cpu_flags)) 81 s->synth_filter_float = ff_synth_filter_float_neon; 82} 83