/* * This file is part of FFmpeg. * * FFmpeg 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. * * FFmpeg 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 FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include <stdint.h> #include "libavutil/attributes.h"#include "libavutil/common.h"#include "audiodsp.h" static void vector_clipf_c(float *dst, const float *src, int len,                           float min, float max){    for (int i = 0; i < len; i += 8) {        float tmp[8];         for (int j = 0; j < 8; j++)            tmp[j]= av_clipf(src[i + j], min, max);        for (int j = 0; j < 8; j++)            dst[i + j] = tmp[j];    }} static int32_t scalarproduct_int16_c(const int16_t *v1, const int16_t *v2,                                     int order){    unsigned res = 0;     while (order--)        res += *v1++ **v2++;     return res;} static void vector_clip_int32_c(int32_t *dst, const int32_t *src, int32_t min,                                int32_t max, unsigned int len){    do {        *dst++ = av_clip(*src++, min, max);        *dst++ = av_clip(*src++, min, max);        *dst++ = av_clip(*src++, min, max);        *dst++ = av_clip(*src++, min, max);        *dst++ = av_clip(*src++, min, max);        *dst++ = av_clip(*src++, min, max);        *dst++ = av_clip(*src++, min, max);        *dst++ = av_clip(*src++, min, max);        len   -= 8;    } while (len > 0);} av_cold void ff_audiodsp_init(AudioDSPContext *c){    c->scalarproduct_int16 = scalarproduct_int16_c;    c->vector_clip_int32   = vector_clip_int32_c;    c->vector_clipf        = vector_clipf_c; #if ARCH_ARM    ff_audiodsp_init_arm(c);#elif ARCH_PPC    ff_audiodsp_init_ppc(c);#elif ARCH_RISCV    ff_audiodsp_init_riscv(c);#elif ARCH_X86    ff_audiodsp_init_x86(c);#endif}