/*

  * 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
  */
 
 #ifndef AVCODEC_AUDIODSP_H
 #define AVCODEC_AUDIODSP_H
 
 #include <stdint.h>
 
 typedef struct AudioDSPContext {
     /**
      * Calculate scalar product of two vectors.
      * @param len length of vectors, should be multiple of 16
      */
     int32_t (*scalarproduct_int16)(const int16_t *v1,
                                    const int16_t *v2 /* align 16 */, int len);
 
     /**
      * Clip each element in an array of int32_t to a given minimum and
      * maximum value.
      * @param dst  destination array
      *             constraints: 16-byte aligned
      * @param src  source array
      *             constraints: 16-byte aligned
      * @param min  minimum value
      *             constraints: must be in the range [-(1 << 24), 1 << 24]
      * @param max  maximum value
      *             constraints: must be in the range [-(1 << 24), 1 << 24]
      * @param len  number of elements in the array
      *             constraints: multiple of 32 greater than zero
      */
     void (*vector_clip_int32)(int32_t *dst, const int32_t *src, int32_t min,
                               int32_t max, unsigned int len);

     /* assume len is a multiple of 16, and arrays are 16-byte aligned */

     void (*vector_clipf)(float *dst /* align 16 */,
                          const float *src /* align 16 */,

                          int len /* align 16 */,
                          float min, float max);

 } AudioDSPContext;
 
 void ff_audiodsp_init(AudioDSPContext *c);
 void ff_audiodsp_init_arm(AudioDSPContext *c);
 void ff_audiodsp_init_ppc(AudioDSPContext *c);
 void ff_audiodsp_init_x86(AudioDSPContext *c);
 
 #endif /* AVCODEC_AUDIODSP_H */