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74 lines
2.8 KiB
74 lines
2.8 KiB
/* |
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* Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net> |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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/cpu.h" |
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#include "libavutil/arm/cpu.h" |
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#include "libavutil/internal.h" |
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#include "libavutil/samplefmt.h" |
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#include "libavresample/resample.h" |
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#include "asm-offsets.h" |
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AV_CHECK_OFFSET(struct ResampleContext, filter_bank, FILTER_BANK); |
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AV_CHECK_OFFSET(struct ResampleContext, filter_length, FILTER_LENGTH); |
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AV_CHECK_OFFSET(struct ResampleContext, src_incr, SRC_INCR); |
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AV_CHECK_OFFSET(struct ResampleContext, phase_shift, PHASE_SHIFT); |
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AV_CHECK_OFFSET(struct ResampleContext, phase_mask, PHASE_MASK); |
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void ff_resample_one_flt_neon(struct ResampleContext *c, void *dst0, |
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int dst_index, const void *src0, |
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unsigned int index, int frac); |
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void ff_resample_one_s16_neon(struct ResampleContext *c, void *dst0, |
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int dst_index, const void *src0, |
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unsigned int index, int frac); |
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void ff_resample_one_s32_neon(struct ResampleContext *c, void *dst0, |
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int dst_index, const void *src0, |
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unsigned int index, int frac); |
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void ff_resample_linear_flt_neon(struct ResampleContext *c, void *dst0, |
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int dst_index, const void *src0, |
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unsigned int index, int frac); |
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av_cold void ff_audio_resample_init_arm(ResampleContext *c, |
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enum AVSampleFormat sample_fmt) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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if (have_neon(cpu_flags)) { |
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switch (sample_fmt) { |
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case AV_SAMPLE_FMT_FLTP: |
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if (c->linear) |
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c->resample_one = ff_resample_linear_flt_neon; |
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else |
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c->resample_one = ff_resample_one_flt_neon; |
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break; |
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case AV_SAMPLE_FMT_S16P: |
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if (!c->linear) |
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c->resample_one = ff_resample_one_s16_neon; |
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break; |
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case AV_SAMPLE_FMT_S32P: |
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if (!c->linear) |
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c->resample_one = ff_resample_one_s32_neon; |
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break; |
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} |
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} |
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}
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