/*
  * Monkey's Audio lossless audio decoder
  * Copyright (c) 2007 Benjamin Zores <ben@geexbox.org>
  *  based upon libdemac from Dave Chapman.
  *

  * 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 "avcodec.h"
 #include "lossless_audiodsp.h"

 static int32_t scalarproduct_and_madd_int16_c(int16_t *v1, const int16_t *v2,
                                               const int16_t *v3,
                                               int order, int mul)
 {
     int res = 0;

     do {

         res   += *v1 * *v2++;
         *v1++ += mul * *v3++;

         res   += *v1 * *v2++;
         *v1++ += mul * *v3++;
     } while (order-=2);

     return res;
 }

 static int32_t scalarproduct_and_madd_int32_c(int16_t *v1, const int32_t *v2,
                                               const int16_t *v3,

                                               int order, int mul)
 {
     int res = 0;
 

     do {

         res   += *v1 * (uint32_t)*v2++;

         *v1++ += mul * *v3++;

         res   += *v1 * (uint32_t)*v2++;

         *v1++ += mul * *v3++;

     } while (order-=2);

     return res;
 }
 

 av_cold void ff_llauddsp_init(LLAudDSPContext *c)
 {
     c->scalarproduct_and_madd_int16 = scalarproduct_and_madd_int16_c;

     c->scalarproduct_and_madd_int32 = scalarproduct_and_madd_int32_c;

     if (ARCH_ARM)
         ff_llauddsp_init_arm(c);
     if (ARCH_PPC)
         ff_llauddsp_init_ppc(c);
     if (ARCH_X86)
         ff_llauddsp_init_x86(c);
 }