/* * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net> * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "config.h" #include "libavutil/cpu.h" #include "libavutil/arm/cpu.h" #include "libavutil/internal.h" #include "libavutil/samplefmt.h" #include "libavresample/resample.h" #include "asm-offsets.h" AV_CHECK_OFFSET(struct ResampleContext, filter_bank, FILTER_BANK); AV_CHECK_OFFSET(struct ResampleContext, filter_length, FILTER_LENGTH); AV_CHECK_OFFSET(struct ResampleContext, src_incr, SRC_INCR); AV_CHECK_OFFSET(struct ResampleContext, phase_shift, PHASE_SHIFT); AV_CHECK_OFFSET(struct ResampleContext, phase_mask, PHASE_MASK); void ff_resample_one_flt_neon(struct ResampleContext *c, void *dst0, int dst_index, const void *src0, unsigned int index, int frac); void ff_resample_one_s16_neon(struct ResampleContext *c, void *dst0, int dst_index, const void *src0, unsigned int index, int frac); void ff_resample_one_s32_neon(struct ResampleContext *c, void *dst0, int dst_index, const void *src0, unsigned int index, int frac); void ff_resample_linear_flt_neon(struct ResampleContext *c, void *dst0, int dst_index, const void *src0, unsigned int index, int frac); av_cold void ff_audio_resample_init_arm(ResampleContext *c, enum AVSampleFormat sample_fmt) { int cpu_flags = av_get_cpu_flags(); if (have_neon(cpu_flags)) { switch (sample_fmt) { case AV_SAMPLE_FMT_FLTP: if (c->linear) c->resample_one = ff_resample_linear_flt_neon; else c->resample_one = ff_resample_one_flt_neon; break; case AV_SAMPLE_FMT_S16P: if (!c->linear) c->resample_one = ff_resample_one_s16_neon; break; case AV_SAMPLE_FMT_S32P: if (!c->linear) c->resample_one = ff_resample_one_s32_neon; break; } } }