libavcodec/apedsp.h

   1 /*
   2  * Monkey's Audio lossless audio decoder
   3  * Copyright (c) 2007 Benjamin Zores <ben@geexbox.org>
   4  *  based upon libdemac from Dave Chapman.
   5  *
   6  * This file is part of Libav.
   7  *
   8  * Libav is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * Libav is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with Libav; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 #ifndef AVCODEC_APEDSP_H
  24 #define AVCODEC_APEDSP_H
  25
  26 #include <stdint.h>
  27
  28 typedef struct APEDSPContext {
  29     /**
  30      * Calculate scalar product of v1 and v2,
  31      * and v1[i] += v3[i] * mul
  32      * @param len length of vectors, should be multiple of 16
  33      */
  34     int32_t (*scalarproduct_and_madd_int16)(int16_t *v1 /* align 16 */,
  35                                             const int16_t *v2,
  36                                             const int16_t *v3,
  37                                             int len, int mul);
  38 } APEDSPContext;
  39
  40 void ff_apedsp_init_arm(APEDSPContext *c);
  41 void ff_apedsp_init_ppc(APEDSPContext *c);
  42 void ff_apedsp_init_x86(APEDSPContext *c);
  43
  44 #endif /* AVCODEC_APEDSP_H */