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48 lines
1.9 KiB
48 lines
1.9 KiB
/* |
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* Copyright (c) 2010 Mans Rullgard <mans@mansr.com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "config.h" |
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#include "libavutil/arm/cpu.h" |
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#include "libavutil/attributes.h" |
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#include "libavcodec/dcadsp.h" |
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void ff_dca_lfe_fir_vfp(float *out, const float *in, const float *coefs, |
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int decifactor, float scale); |
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void ff_dca_qmf_32_subbands_vfp(float samples_in[32][8], int sb_act, |
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SynthFilterContext *synth, FFTContext *imdct, |
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float synth_buf_ptr[512], |
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int *synth_buf_offset, float synth_buf2[32], |
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const float window[512], float *samples_out, |
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float raXin[32], float scale); |
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void ff_dca_lfe_fir_neon(float *out, const float *in, const float *coefs, |
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int decifactor, float scale); |
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av_cold void ff_dcadsp_init_arm(DCADSPContext *s) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags)) { |
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s->lfe_fir = ff_dca_lfe_fir_vfp; |
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s->qmf_32_subbands = ff_dca_qmf_32_subbands_vfp; |
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} |
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if (have_neon(cpu_flags)) |
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s->lfe_fir = ff_dca_lfe_fir_neon; |
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}
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