| 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 | |
| 27 | void ff_dca_lfe_fir0_neon(float *out, const float *in, const float *coefs); |
| 28 | void ff_dca_lfe_fir1_neon(float *out, const float *in, const float *coefs); |
| 29 | |
| 30 | void ff_dca_lfe_fir32_vfp(float *out, const float *in, const float *coefs); |
| 31 | void ff_dca_lfe_fir64_vfp(float *out, const float *in, const float *coefs); |
| 32 | |
| 33 | void 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 | |
| 40 | void 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 | |
| 46 | void 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 | |
| 52 | void 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 | |
| 58 | av_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 | |
| 74 | av_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 | } |