/*

  * Copyright (C) 2010 David Conrad
  * Copyright (C) 2010 Ronald S. Bultje
  *
  * 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
  */
 

 /**
  * @file
  * VP8 compatible video decoder
  */
 

 #include "dsputil.h"
 #include "vp8dsp.h"

 #include "libavutil/common.h"

 
 // TODO: Maybe add dequant

 static void vp8_luma_dc_wht_c(int16_t block[4][4][16], int16_t dc[16])

 {
     int i, t0, t1, t2, t3;
 
     for (i = 0; i < 4; i++) {
         t0 = dc[0*4+i] + dc[3*4+i];
         t1 = dc[1*4+i] + dc[2*4+i];
         t2 = dc[1*4+i] - dc[2*4+i];
         t3 = dc[0*4+i] - dc[3*4+i];
 
         dc[0*4+i] = t0 + t1;
         dc[1*4+i] = t3 + t2;
         dc[2*4+i] = t0 - t1;
         dc[3*4+i] = t3 - t2;
     }
 
     for (i = 0; i < 4; i++) {
         t0 = dc[i*4+0] + dc[i*4+3] + 3; // rounding
         t1 = dc[i*4+1] + dc[i*4+2];
         t2 = dc[i*4+1] - dc[i*4+2];
         t3 = dc[i*4+0] - dc[i*4+3] + 3; // rounding

         dc[i*4+0] = 0;
         dc[i*4+1] = 0;
         dc[i*4+2] = 0;
         dc[i*4+3] = 0;

         block[i][0][0] = (t0 + t1) >> 3;
         block[i][1][0] = (t3 + t2) >> 3;
         block[i][2][0] = (t0 - t1) >> 3;
         block[i][3][0] = (t3 - t2) >> 3;

     }
 }
 

 static void vp8_luma_dc_wht_dc_c(int16_t block[4][4][16], int16_t dc[16])

 {
     int i, val = (dc[0] + 3) >> 3;
     dc[0] = 0;
 
     for (i = 0; i < 4; i++) {
         block[i][0][0] = val;
         block[i][1][0] = val;
         block[i][2][0] = val;
         block[i][3][0] = val;
     }
 }

 
 #define MUL_20091(a) ((((a)*20091) >> 16) + (a))
 #define MUL_35468(a)  (((a)*35468) >> 16)
 

 static void vp8_idct_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)

 {
     int i, t0, t1, t2, t3;

     int16_t tmp[16];

 
     for (i = 0; i < 4; i++) {
         t0 = block[0*4+i] + block[2*4+i];
         t1 = block[0*4+i] - block[2*4+i];
         t2 = MUL_35468(block[1*4+i]) - MUL_20091(block[3*4+i]);
         t3 = MUL_20091(block[1*4+i]) + MUL_35468(block[3*4+i]);

         block[0*4+i] = 0;
         block[1*4+i] = 0;
         block[2*4+i] = 0;
         block[3*4+i] = 0;

 
         tmp[i*4+0] = t0 + t3;
         tmp[i*4+1] = t1 + t2;
         tmp[i*4+2] = t1 - t2;
         tmp[i*4+3] = t0 - t3;
     }
 
     for (i = 0; i < 4; i++) {
         t0 = tmp[0*4+i] + tmp[2*4+i];
         t1 = tmp[0*4+i] - tmp[2*4+i];
         t2 = MUL_35468(tmp[1*4+i]) - MUL_20091(tmp[3*4+i]);
         t3 = MUL_20091(tmp[1*4+i]) + MUL_35468(tmp[3*4+i]);
 

         dst[0] = av_clip_uint8(dst[0] + ((t0 + t3 + 4) >> 3));
         dst[1] = av_clip_uint8(dst[1] + ((t1 + t2 + 4) >> 3));
         dst[2] = av_clip_uint8(dst[2] + ((t1 - t2 + 4) >> 3));
         dst[3] = av_clip_uint8(dst[3] + ((t0 - t3 + 4) >> 3));

         dst += stride;
     }
 }
 

 static void vp8_idct_dc_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)

 {
     int i, dc = (block[0] + 4) >> 3;

     block[0] = 0;

 
     for (i = 0; i < 4; i++) {

         dst[0] = av_clip_uint8(dst[0] + dc);
         dst[1] = av_clip_uint8(dst[1] + dc);
         dst[2] = av_clip_uint8(dst[2] + dc);
         dst[3] = av_clip_uint8(dst[3] + dc);

         dst += stride;
     }
 }
 

 static void vp8_idct_dc_add4uv_c(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride)

 {

     vp8_idct_dc_add_c(dst+stride*0+0, block[0], stride);
     vp8_idct_dc_add_c(dst+stride*0+4, block[1], stride);
     vp8_idct_dc_add_c(dst+stride*4+0, block[2], stride);
     vp8_idct_dc_add_c(dst+stride*4+4, block[3], stride);
 }
 

 static void vp8_idct_dc_add4y_c(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride)

 {
     vp8_idct_dc_add_c(dst+ 0, block[0], stride);
     vp8_idct_dc_add_c(dst+ 4, block[1], stride);
     vp8_idct_dc_add_c(dst+ 8, block[2], stride);
     vp8_idct_dc_add_c(dst+12, block[3], stride);

 }

 
 // because I like only having two parameters to pass functions...
 #define LOAD_PIXELS\
     int av_unused p3 = p[-4*stride];\
     int av_unused p2 = p[-3*stride];\
     int av_unused p1 = p[-2*stride];\
     int av_unused p0 = p[-1*stride];\
     int av_unused q0 = p[ 0*stride];\
     int av_unused q1 = p[ 1*stride];\
     int av_unused q2 = p[ 2*stride];\
     int av_unused q3 = p[ 3*stride];
 

 #define clip_int8(n) (cm[n+0x80]-0x80)
 

 static av_always_inline void filter_common(uint8_t *p, ptrdiff_t stride, int is4tap)

 {
     LOAD_PIXELS
     int a, f1, f2;

     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;

 
     a = 3*(q0 - p0);
 
     if (is4tap)

         a += clip_int8(p1 - q1);

     a = clip_int8(a);

 
     // We deviate from the spec here with c(a+3) >> 3
     // since that's what libvpx does.
     f1 = FFMIN(a+4, 127) >> 3;
     f2 = FFMIN(a+3, 127) >> 3;
 
     // Despite what the spec says, we do need to clamp here to
     // be bitexact with libvpx.

     p[-1*stride] = cm[p0 + f2];
     p[ 0*stride] = cm[q0 - f1];

 
     // only used for _inner on blocks without high edge variance
     if (!is4tap) {
         a = (f1+1)>>1;

         p[-2*stride] = cm[p1 + a];
         p[ 1*stride] = cm[q1 - a];

     }
 }
 

 static av_always_inline int simple_limit(uint8_t *p, ptrdiff_t stride, int flim)

 {
     LOAD_PIXELS
     return 2*FFABS(p0-q0) + (FFABS(p1-q1) >> 1) <= flim;
 }
 
 /**
  * E - limit at the macroblock edge
  * I - limit for interior difference
  */

 static av_always_inline int normal_limit(uint8_t *p, ptrdiff_t stride, int E, int I)

 {
     LOAD_PIXELS

     return simple_limit(p, stride, E)

         && FFABS(p3-p2) <= I && FFABS(p2-p1) <= I && FFABS(p1-p0) <= I
         && FFABS(q3-q2) <= I && FFABS(q2-q1) <= I && FFABS(q1-q0) <= I;
 }
 
 // high edge variance

 static av_always_inline int hev(uint8_t *p, ptrdiff_t stride, int thresh)

 {
     LOAD_PIXELS
     return FFABS(p1-p0) > thresh || FFABS(q1-q0) > thresh;
 }
 

 static av_always_inline void filter_mbedge(uint8_t *p, ptrdiff_t stride)

 {
     int a0, a1, a2, w;

     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;

 
     LOAD_PIXELS
 

     w = clip_int8(p1-q1);
     w = clip_int8(w + 3*(q0-p0));

 
     a0 = (27*w + 63) >> 7;
     a1 = (18*w + 63) >> 7;
     a2 = ( 9*w + 63) >> 7;
 

     p[-3*stride] = cm[p2 + a2];
     p[-2*stride] = cm[p1 + a1];
     p[-1*stride] = cm[p0 + a0];
     p[ 0*stride] = cm[q0 - a0];
     p[ 1*stride] = cm[q1 - a1];
     p[ 2*stride] = cm[q2 - a2];

 }
 

 #define LOOP_FILTER(dir, size, stridea, strideb, maybe_inline) \

 static maybe_inline void vp8_ ## dir ## _loop_filter ## size ## _c(uint8_t *dst, ptrdiff_t stride,\

                                      int flim_E, int flim_I, int hev_thresh)\
 {\
     int i;\
 \
     for (i = 0; i < size; i++)\
         if (normal_limit(dst+i*stridea, strideb, flim_E, flim_I)) {\
             if (hev(dst+i*stridea, strideb, hev_thresh))\
                 filter_common(dst+i*stridea, strideb, 1);\
             else\
                 filter_mbedge(dst+i*stridea, strideb);\
         }\
 }\
 \

 static maybe_inline void vp8_ ## dir ## _loop_filter ## size ## _inner_c(uint8_t *dst, ptrdiff_t stride,\

                                       int flim_E, int flim_I, int hev_thresh)\
 {\

     int i;\

 \
     for (i = 0; i < size; i++)\
         if (normal_limit(dst+i*stridea, strideb, flim_E, flim_I)) {\

             int hv = hev(dst+i*stridea, strideb, hev_thresh);\
             if (hv) \
                 filter_common(dst+i*stridea, strideb, 1);\
             else \
                 filter_common(dst+i*stridea, strideb, 0);\

         }\
 }
 

 LOOP_FILTER(v, 16, 1, stride,)
 LOOP_FILTER(h, 16, stride, 1,)
 
 #define UV_LOOP_FILTER(dir, stridea, strideb) \
 LOOP_FILTER(dir, 8, stridea, strideb, av_always_inline) \

 static void vp8_ ## dir ## _loop_filter8uv_c(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,\

                                       int fE, int fI, int hev_thresh)\
 {\
   vp8_ ## dir ## _loop_filter8_c(dstU, stride, fE, fI, hev_thresh);\
   vp8_ ## dir ## _loop_filter8_c(dstV, stride, fE, fI, hev_thresh);\
 }\

 static void vp8_ ## dir ## _loop_filter8uv_inner_c(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,\

                                       int fE, int fI, int hev_thresh)\
 {\
   vp8_ ## dir ## _loop_filter8_inner_c(dstU, stride, fE, fI, hev_thresh);\
   vp8_ ## dir ## _loop_filter8_inner_c(dstV, stride, fE, fI, hev_thresh);\
 }
 
 UV_LOOP_FILTER(v, 1, stride)
 UV_LOOP_FILTER(h, stride, 1)

 static void vp8_v_loop_filter_simple_c(uint8_t *dst, ptrdiff_t stride, int flim)

 {
     int i;
 
     for (i = 0; i < 16; i++)
         if (simple_limit(dst+i, stride, flim))
             filter_common(dst+i, stride, 1);
 }
 

 static void vp8_h_loop_filter_simple_c(uint8_t *dst, ptrdiff_t stride, int flim)

 {
     int i;
 
     for (i = 0; i < 16; i++)
         if (simple_limit(dst+i*stride, 1, flim))
             filter_common(dst+i*stride, 1, 1);
 }
 
 static const uint8_t subpel_filters[7][6] = {
     { 0,   6, 123,  12,   1,   0 },
     { 2,  11, 108,  36,   8,   1 },
     { 0,   9,  93,  50,   6,   0 },
     { 3,  16,  77,  77,  16,   3 },
     { 0,   6,  50,  93,   9,   0 },
     { 1,   8,  36, 108,  11,   2 },
     { 0,   1,  12, 123,   6,   0 },
 };
 

 #define PUT_PIXELS(WIDTH) \

 static void put_vp8_pixels ## WIDTH ##_c(uint8_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride, int h, int x, int y) { \

     int i; \
     for (i = 0; i < h; i++, dst+= dststride, src+= srcstride) { \

         memcpy(dst, src, WIDTH); \
     } \
 }
 
 PUT_PIXELS(16)
 PUT_PIXELS(8)
 PUT_PIXELS(4)

 
 #define FILTER_6TAP(src, F, stride) \

     cm[(F[2]*src[x+0*stride] - F[1]*src[x-1*stride] + F[0]*src[x-2*stride] + \
         F[3]*src[x+1*stride] - F[4]*src[x+2*stride] + F[5]*src[x+3*stride] + 64) >> 7]

 
 #define FILTER_4TAP(src, F, stride) \

     cm[(F[2]*src[x+0*stride] - F[1]*src[x-1*stride] + \
         F[3]*src[x+1*stride] - F[4]*src[x+2*stride] + 64) >> 7]

 #define VP8_EPEL_H(SIZE, TAPS) \

 static void put_vp8_epel ## SIZE ## _h ## TAPS ## _c(uint8_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride, int h, int mx, int my) \

 { \
     const uint8_t *filter = subpel_filters[mx-1]; \

     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; \

     int x, y; \
 \
     for (y = 0; y < h; y++) { \
         for (x = 0; x < SIZE; x++) \

             dst[x] = FILTER_ ## TAPS ## TAP(src, filter, 1); \

         dst += dststride; \
         src += srcstride; \

     } \
 }

 #define VP8_EPEL_V(SIZE, TAPS) \

 static void put_vp8_epel ## SIZE ## _v ## TAPS ## _c(uint8_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride, int h, int mx, int my) \

 { \
     const uint8_t *filter = subpel_filters[my-1]; \

     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; \

     int x, y; \
 \
     for (y = 0; y < h; y++) { \
         for (x = 0; x < SIZE; x++) \

             dst[x] = FILTER_ ## TAPS ## TAP(src, filter, srcstride); \

         dst += dststride; \
         src += srcstride; \

     } \
 }

 #define VP8_EPEL_HV(SIZE, HTAPS, VTAPS) \

 static void put_vp8_epel ## SIZE ## _h ## HTAPS ## v ## VTAPS ## _c(uint8_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride, int h, int mx, int my) \

 { \
     const uint8_t *filter = subpel_filters[mx-1]; \

     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; \

     int x, y; \

     uint8_t tmp_array[(2*SIZE+VTAPS-1)*SIZE]; \

     uint8_t *tmp = tmp_array; \

     src -= (2-(VTAPS==4))*srcstride; \

 \

     for (y = 0; y < h+VTAPS-1; y++) { \

         for (x = 0; x < SIZE; x++) \

             tmp[x] = FILTER_ ## HTAPS ## TAP(src, filter, 1); \

         tmp += SIZE; \

         src += srcstride; \

     } \
 \

     tmp = tmp_array + (2-(VTAPS==4))*SIZE; \

     filter = subpel_filters[my-1]; \
 \
     for (y = 0; y < h; y++) { \
         for (x = 0; x < SIZE; x++) \

             dst[x] = FILTER_ ## VTAPS ## TAP(tmp, filter, SIZE); \

         dst += dststride; \

         tmp += SIZE; \
     } \
 }
 

 VP8_EPEL_H(16, 4)
 VP8_EPEL_H(8,  4)
 VP8_EPEL_H(4,  4)
 VP8_EPEL_H(16, 6)
 VP8_EPEL_H(8,  6)
 VP8_EPEL_H(4,  6)
 VP8_EPEL_V(16, 4)
 VP8_EPEL_V(8,  4)
 VP8_EPEL_V(4,  4)
 VP8_EPEL_V(16, 6)
 VP8_EPEL_V(8,  6)
 VP8_EPEL_V(4,  6)
 VP8_EPEL_HV(16, 4, 4)
 VP8_EPEL_HV(8,  4, 4)
 VP8_EPEL_HV(4,  4, 4)
 VP8_EPEL_HV(16, 4, 6)
 VP8_EPEL_HV(8,  4, 6)
 VP8_EPEL_HV(4,  4, 6)
 VP8_EPEL_HV(16, 6, 4)
 VP8_EPEL_HV(8,  6, 4)
 VP8_EPEL_HV(4,  6, 4)
 VP8_EPEL_HV(16, 6, 6)
 VP8_EPEL_HV(8,  6, 6)
 VP8_EPEL_HV(4,  6, 6)

 #define VP8_BILINEAR(SIZE) \

 static void put_vp8_bilinear ## SIZE ## _h_c(uint8_t *dst, ptrdiff_t stride, uint8_t *src, ptrdiff_t s2, int h, int mx, int my) \

 { \
     int a = 8-mx, b = mx; \
     int x, y; \
 \
     for (y = 0; y < h; y++) { \
         for (x = 0; x < SIZE; x++) \
             dst[x] = (a*src[x] + b*src[x+1] + 4) >> 3; \
         dst += stride; \
         src += stride; \
     } \
 } \

 static void put_vp8_bilinear ## SIZE ## _v_c(uint8_t *dst, ptrdiff_t stride, uint8_t *src, ptrdiff_t s2, int h, int mx, int my) \

 { \
     int c = 8-my, d = my; \
     int x, y; \
 \
     for (y = 0; y < h; y++) { \
         for (x = 0; x < SIZE; x++) \
             dst[x] = (c*src[x] + d*src[x+stride] + 4) >> 3; \
         dst += stride; \
         src += stride; \
     } \
 } \
 \

 static void put_vp8_bilinear ## SIZE ## _hv_c(uint8_t *dst, ptrdiff_t stride, uint8_t *src, ptrdiff_t s2, int h, int mx, int my) \

 { \
     int a = 8-mx, b = mx; \
     int c = 8-my, d = my; \
     int x, y; \
     uint8_t tmp_array[(2*SIZE+1)*SIZE]; \
     uint8_t *tmp = tmp_array; \
 \
     for (y = 0; y < h+1; y++) { \
         for (x = 0; x < SIZE; x++) \
             tmp[x] = (a*src[x] + b*src[x+1] + 4) >> 3; \
         tmp += SIZE; \
         src += stride; \
     } \
 \
     tmp = tmp_array; \
 \
     for (y = 0; y < h; y++) { \
         for (x = 0; x < SIZE; x++) \
             dst[x] = (c*tmp[x] + d*tmp[x+SIZE] + 4) >> 3; \
         dst += stride; \
         tmp += SIZE; \
     } \
 }
 
 VP8_BILINEAR(16)
 VP8_BILINEAR(8)
 VP8_BILINEAR(4)
 

 #define VP8_MC_FUNC(IDX, SIZE) \

     dsp->put_vp8_epel_pixels_tab[IDX][0][0] = put_vp8_pixels ## SIZE ## _c; \

     dsp->put_vp8_epel_pixels_tab[IDX][0][1] = put_vp8_epel ## SIZE ## _h4_c; \
     dsp->put_vp8_epel_pixels_tab[IDX][0][2] = put_vp8_epel ## SIZE ## _h6_c; \
     dsp->put_vp8_epel_pixels_tab[IDX][1][0] = put_vp8_epel ## SIZE ## _v4_c; \
     dsp->put_vp8_epel_pixels_tab[IDX][1][1] = put_vp8_epel ## SIZE ## _h4v4_c; \
     dsp->put_vp8_epel_pixels_tab[IDX][1][2] = put_vp8_epel ## SIZE ## _h6v4_c; \
     dsp->put_vp8_epel_pixels_tab[IDX][2][0] = put_vp8_epel ## SIZE ## _v6_c; \
     dsp->put_vp8_epel_pixels_tab[IDX][2][1] = put_vp8_epel ## SIZE ## _h4v6_c; \
     dsp->put_vp8_epel_pixels_tab[IDX][2][2] = put_vp8_epel ## SIZE ## _h6v6_c
 

 #define VP8_BILINEAR_MC_FUNC(IDX, SIZE) \
     dsp->put_vp8_bilinear_pixels_tab[IDX][0][0] = put_vp8_pixels ## SIZE ## _c; \
     dsp->put_vp8_bilinear_pixels_tab[IDX][0][1] = put_vp8_bilinear ## SIZE ## _h_c; \
     dsp->put_vp8_bilinear_pixels_tab[IDX][0][2] = put_vp8_bilinear ## SIZE ## _h_c; \
     dsp->put_vp8_bilinear_pixels_tab[IDX][1][0] = put_vp8_bilinear ## SIZE ## _v_c; \
     dsp->put_vp8_bilinear_pixels_tab[IDX][1][1] = put_vp8_bilinear ## SIZE ## _hv_c; \
     dsp->put_vp8_bilinear_pixels_tab[IDX][1][2] = put_vp8_bilinear ## SIZE ## _hv_c; \
     dsp->put_vp8_bilinear_pixels_tab[IDX][2][0] = put_vp8_bilinear ## SIZE ## _v_c; \
     dsp->put_vp8_bilinear_pixels_tab[IDX][2][1] = put_vp8_bilinear ## SIZE ## _hv_c; \
     dsp->put_vp8_bilinear_pixels_tab[IDX][2][2] = put_vp8_bilinear ## SIZE ## _hv_c
 

 av_cold void ff_vp8dsp_init(VP8DSPContext *dsp)
 {

     dsp->vp8_luma_dc_wht    = vp8_luma_dc_wht_c;

     dsp->vp8_luma_dc_wht_dc = vp8_luma_dc_wht_dc_c;

     dsp->vp8_idct_add       = vp8_idct_add_c;
     dsp->vp8_idct_dc_add    = vp8_idct_dc_add_c;
     dsp->vp8_idct_dc_add4y  = vp8_idct_dc_add4y_c;
     dsp->vp8_idct_dc_add4uv = vp8_idct_dc_add4uv_c;

     dsp->vp8_v_loop_filter16y = vp8_v_loop_filter16_c;
     dsp->vp8_h_loop_filter16y = vp8_h_loop_filter16_c;
     dsp->vp8_v_loop_filter8uv = vp8_v_loop_filter8uv_c;
     dsp->vp8_h_loop_filter8uv = vp8_h_loop_filter8uv_c;

     dsp->vp8_v_loop_filter16y_inner = vp8_v_loop_filter16_inner_c;
     dsp->vp8_h_loop_filter16y_inner = vp8_h_loop_filter16_inner_c;
     dsp->vp8_v_loop_filter8uv_inner = vp8_v_loop_filter8uv_inner_c;
     dsp->vp8_h_loop_filter8uv_inner = vp8_h_loop_filter8uv_inner_c;

 
     dsp->vp8_v_loop_filter_simple = vp8_v_loop_filter_simple_c;
     dsp->vp8_h_loop_filter_simple = vp8_h_loop_filter_simple_c;
 
     VP8_MC_FUNC(0, 16);
     VP8_MC_FUNC(1, 8);
     VP8_MC_FUNC(2, 4);

 
     VP8_BILINEAR_MC_FUNC(0, 16);
     VP8_BILINEAR_MC_FUNC(1, 8);
     VP8_BILINEAR_MC_FUNC(2, 4);

     if (ARCH_X86)

         ff_vp8dsp_init_x86(dsp);

     if (HAVE_ALTIVEC)
         ff_vp8dsp_init_altivec(dsp);

     if (ARCH_ARM)
         ff_vp8dsp_init_arm(dsp);

 }