/*
  * 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
  */
 
 #ifndef AVCODEC_MPEGAUDIODSP_H
 #define AVCODEC_MPEGAUDIODSP_H
 
 #include <stdint.h>
 
 typedef struct MPADSPContext {
     void (*apply_window_float)(float *synth_buf, float *window,
                                int *dither_state, float *samples, int incr);
     void (*apply_window_fixed)(int32_t *synth_buf, int32_t *window,
                                int *dither_state, int16_t *samples, int incr);
     void (*dct32_float)(float *dst, const float *src);
     void (*dct32_fixed)(int *dst, const int *src);
 } MPADSPContext;
 
 void ff_mpadsp_init(MPADSPContext *s);
 
 extern int32_t ff_mpa_synth_window_fixed[];
 extern float   ff_mpa_synth_window_float[];
 
 void ff_mpa_synth_filter_fixed(MPADSPContext *s,
                                int32_t *synth_buf_ptr, int *synth_buf_offset,
                                int32_t *window, int *dither_state,
                                int16_t *samples, int incr,

                                int32_t *sb_samples);

 
 void ff_mpa_synth_filter_float(MPADSPContext *s,
                                float *synth_buf_ptr, int *synth_buf_offset,
                                float *window, int *dither_state,
                                float *samples, int incr,
                                float *sb_samples);
 

 void ff_mpadsp_init_arm(MPADSPContext *s);

 void ff_mpadsp_init_mmx(MPADSPContext *s);
 void ff_mpadsp_init_altivec(MPADSPContext *s);
 
 void ff_mpa_synth_init_float(float *window);
 void ff_mpa_synth_init_fixed(int32_t *window);
 
 void ff_mpadsp_apply_window_float(float *synth_buf, float *window,
                                   int *dither_state, float *samples,
                                   int incr);
 void ff_mpadsp_apply_window_fixed(int32_t *synth_buf, int32_t *window,
                                   int *dither_state, int16_t *samples,
                                   int incr);
 

 #endif /* AVCODEC_MPEGAUDIODSP_H */