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FFmpeg/libavcodec/cavsdsp.c

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  1. /*

  2.  * Chinese AVS video (AVS1-P2, JiZhun profile) decoder.

  3.  *

  4.  * DSP functions

  5.  *

  6.  * Copyright (c) 2006  Stefan Gehrer <stefan.gehrer@gmx.de>

  7.  *

  8.  * This file is part of Libav.

  9.  *

  10.  * Libav is free software; you can redistribute it and/or

  11.  * modify it under the terms of the GNU Lesser General Public

  12.  * License as published by the Free Software Foundation; either

  13.  * version 2.1 of the License, or (at your option) any later version.

  14.  *

  15.  * Libav is distributed in the hope that it will be useful,

  16.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  17.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  18.  * Lesser General Public License for more details.

  19.  *

  20.  * You should have received a copy of the GNU Lesser General Public

  21.  * License along with Libav; if not, write to the Free Software

  22.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  23.  */

  24. 

  25. #include <stdio.h>

  26. 

  27. #include "idctdsp.h"

  28. #include "mathops.h"

  29. #include "cavsdsp.h"

  30. #include "libavutil/common.h"

  31. 

  32. /*****************************************************************************

  33.  *

  34.  * in-loop deblocking filter

  35.  *

  36.  ****************************************************************************/

  37. 

  38. #define P2 p0_p[-3*stride]

  39. #define P1 p0_p[-2*stride]

  40. #define P0 p0_p[-1*stride]

  41. #define Q0 p0_p[ 0*stride]

  42. #define Q1 p0_p[ 1*stride]

  43. #define Q2 p0_p[ 2*stride]

  44. 

  45. static inline void loop_filter_l2(uint8_t *p0_p, ptrdiff_t stride, int alpha, int beta)

  46. {

  47.     int p0 = P0;

  48.     int q0 = Q0;

  49. 

  50.     if(abs(p0-q0)<alpha && abs(P1-p0)<beta && abs(Q1-q0)<beta) {

  51.         int s = p0 + q0 + 2;

  52.         alpha = (alpha>>2) + 2;

  53.         if(abs(P2-p0) < beta && abs(p0-q0) < alpha) {

  54.             P0 = (P1 + p0 + s) >> 2;

  55.             P1 = (2*P1 + s) >> 2;

  56.         } else

  57.             P0 = (2*P1 + s) >> 2;

  58.         if(abs(Q2-q0) < beta && abs(q0-p0) < alpha) {

  59.             Q0 = (Q1 + q0 + s) >> 2;

  60.             Q1 = (2*Q1 + s) >> 2;

  61.         } else

  62.             Q0 = (2*Q1 + s) >> 2;

  63.     }

  64. }

  65. 

  66. static inline void loop_filter_l1(uint8_t *p0_p, ptrdiff_t stride, int alpha, int beta, int tc)

  67. {

  68.     int p0 = P0;

  69.     int q0 = Q0;

  70. 

  71.     if(abs(p0-q0)<alpha && abs(P1-p0)<beta && abs(Q1-q0)<beta) {

  72.         int delta = av_clip(((q0-p0)*3+P1-Q1+4)>>3,-tc, tc);

  73.         P0 = av_clip_uint8(p0+delta);

  74.         Q0 = av_clip_uint8(q0-delta);

  75.         if(abs(P2-p0)<beta) {

  76.             delta = av_clip(((P0-P1)*3+P2-Q0+4)>>3, -tc, tc);

  77.             P1 = av_clip_uint8(P1+delta);

  78.         }

  79.         if(abs(Q2-q0)<beta) {

  80.             delta = av_clip(((Q1-Q0)*3+P0-Q2+4)>>3, -tc, tc);

  81.             Q1 = av_clip_uint8(Q1-delta);

  82.         }

  83.     }

  84. }

  85. 

  86. static inline void loop_filter_c2(uint8_t *p0_p, ptrdiff_t stride, int alpha, int beta)

  87. {

  88.     int p0 = P0;

  89.     int q0 = Q0;

  90. 

  91.     if(abs(p0-q0)<alpha && abs(P1-p0)<beta && abs(Q1-q0)<beta) {

  92.         int s = p0 + q0 + 2;

  93.         alpha = (alpha>>2) + 2;

  94.         if(abs(P2-p0) < beta && abs(p0-q0) < alpha) {

  95.             P0 = (P1 + p0 + s) >> 2;

  96.         } else

  97.             P0 = (2*P1 + s) >> 2;

  98.         if(abs(Q2-q0) < beta && abs(q0-p0) < alpha) {

  99.             Q0 = (Q1 + q0 + s) >> 2;

  100.         } else

  101.             Q0 = (2*Q1 + s) >> 2;

  102.     }

  103. }

  104. 

  105. static inline void loop_filter_c1(uint8_t *p0_p, ptrdiff_t stride, int alpha, int beta,

  106.                                   int tc)

  107. {

  108.     if(abs(P0-Q0)<alpha && abs(P1-P0)<beta && abs(Q1-Q0)<beta) {

  109.         int delta = av_clip(((Q0-P0)*3+P1-Q1+4)>>3, -tc, tc);

  110.         P0 = av_clip_uint8(P0+delta);

  111.         Q0 = av_clip_uint8(Q0-delta);

  112.     }

  113. }

  114. 

  115. #undef P0

  116. #undef P1

  117. #undef P2

  118. #undef Q0

  119. #undef Q1

  120. #undef Q2

  121. 

  122. static void cavs_filter_lv_c(uint8_t *d, ptrdiff_t stride, int alpha, int beta, int tc,

  123.                              int bs1, int bs2)

  124. {

  125.     int i;

  126.     if(bs1==2)

  127.         for(i=0;i<16;i++)

  128.             loop_filter_l2(d + i*stride,1,alpha,beta);

  129.     else {

  130.         if(bs1)

  131.             for(i=0;i<8;i++)

  132.                 loop_filter_l1(d + i*stride,1,alpha,beta,tc);

  133.         if (bs2)

  134.             for(i=8;i<16;i++)

  135.                 loop_filter_l1(d + i*stride,1,alpha,beta,tc);

  136.     }

  137. }

  138. 

  139. static void cavs_filter_lh_c(uint8_t *d, ptrdiff_t stride, int alpha, int beta, int tc,

  140.                              int bs1, int bs2)

  141. {

  142.     int i;

  143.     if(bs1==2)

  144.         for(i=0;i<16;i++)

  145.             loop_filter_l2(d + i,stride,alpha,beta);

  146.     else {

  147.         if(bs1)

  148.             for(i=0;i<8;i++)

  149.                 loop_filter_l1(d + i,stride,alpha,beta,tc);

  150.         if (bs2)

  151.             for(i=8;i<16;i++)

  152.                 loop_filter_l1(d + i,stride,alpha,beta,tc);

  153.     }

  154. }

  155. 

  156. static void cavs_filter_cv_c(uint8_t *d, ptrdiff_t stride, int alpha, int beta, int tc,

  157.                              int bs1, int bs2)

  158. {

  159.     int i;

  160.     if(bs1==2)

  161.         for(i=0;i<8;i++)

  162.             loop_filter_c2(d + i*stride,1,alpha,beta);

  163.     else {

  164.         if(bs1)

  165.             for(i=0;i<4;i++)

  166.                 loop_filter_c1(d + i*stride,1,alpha,beta,tc);

  167.         if (bs2)

  168.             for(i=4;i<8;i++)

  169.                 loop_filter_c1(d + i*stride,1,alpha,beta,tc);

  170.     }

  171. }

  172. 

  173. static void cavs_filter_ch_c(uint8_t *d, ptrdiff_t stride, int alpha, int beta, int tc,

  174.                              int bs1, int bs2)

  175. {

  176.     int i;

  177.     if(bs1==2)

  178.         for(i=0;i<8;i++)

  179.             loop_filter_c2(d + i,stride,alpha,beta);

  180.     else {

  181.         if(bs1)

  182.             for(i=0;i<4;i++)

  183.                 loop_filter_c1(d + i,stride,alpha,beta,tc);

  184.         if (bs2)

  185.             for(i=4;i<8;i++)

  186.                 loop_filter_c1(d + i,stride,alpha,beta,tc);

  187.     }

  188. }

  189. 

  190. /*****************************************************************************

  191.  *

  192.  * inverse transform

  193.  *

  194.  ****************************************************************************/

  195. 

  196. static void cavs_idct8_add_c(uint8_t *dst, int16_t *block, ptrdiff_t stride)

  197. {

  198.     int i;

  199.     int16_t (*src)[8] = (int16_t(*)[8])block;

  200.     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;

  201. 

  202.     src[0][0] += 8;

  203. 

  204.     for( i = 0; i < 8; i++ ) {

  205.         const int a0 =  3*src[i][1] - (src[i][7]<<1);

  206.         const int a1 =  3*src[i][3] + (src[i][5]<<1);

  207.         const int a2 =  (src[i][3]<<1) - 3*src[i][5];

  208.         const int a3 =  (src[i][1]<<1) + 3*src[i][7];

  209. 

  210.         const int b4 = ((a0 + a1 + a3)<<1) + a1;

  211.         const int b5 = ((a0 - a1 + a2)<<1) + a0;

  212.         const int b6 = ((a3 - a2 - a1)<<1) + a3;

  213.         const int b7 = ((a0 - a2 - a3)<<1) - a2;

  214. 

  215.         const int a7 = (src[i][2]<<2) - 10*src[i][6];

  216.         const int a6 = (src[i][6]<<2) + 10*src[i][2];

  217.         const int a5 = ((src[i][0] - src[i][4]) << 3) + 4;

  218.         const int a4 = ((src[i][0] + src[i][4]) << 3) + 4;

  219. 

  220.         const int b0 = a4 + a6;

  221.         const int b1 = a5 + a7;

  222.         const int b2 = a5 - a7;

  223.         const int b3 = a4 - a6;

  224. 

  225.         src[i][0] = (b0 + b4) >> 3;

  226.         src[i][1] = (b1 + b5) >> 3;

  227.         src[i][2] = (b2 + b6) >> 3;

  228.         src[i][3] = (b3 + b7) >> 3;

  229.         src[i][4] = (b3 - b7) >> 3;

  230.         src[i][5] = (b2 - b6) >> 3;

  231.         src[i][6] = (b1 - b5) >> 3;

  232.         src[i][7] = (b0 - b4) >> 3;

  233.     }

  234.     for( i = 0; i < 8; i++ ) {

  235.         const int a0 =  3*src[1][i] - (src[7][i]<<1);

  236.         const int a1 =  3*src[3][i] + (src[5][i]<<1);

  237.         const int a2 =  (src[3][i]<<1) - 3*src[5][i];

  238.         const int a3 =  (src[1][i]<<1) + 3*src[7][i];

  239. 

  240.         const int b4 = ((a0 + a1 + a3)<<1) + a1;

  241.         const int b5 = ((a0 - a1 + a2)<<1) + a0;

  242.         const int b6 = ((a3 - a2 - a1)<<1) + a3;

  243.         const int b7 = ((a0 - a2 - a3)<<1) - a2;

  244. 

  245.         const int a7 = (src[2][i]<<2) - 10*src[6][i];

  246.         const int a6 = (src[6][i]<<2) + 10*src[2][i];

  247.         const int a5 = (src[0][i] - src[4][i]) << 3;

  248.         const int a4 = (src[0][i] + src[4][i]) << 3;

  249. 

  250.         const int b0 = a4 + a6;

  251.         const int b1 = a5 + a7;

  252.         const int b2 = a5 - a7;

  253.         const int b3 = a4 - a6;

  254. 

  255.         dst[i + 0*stride] = cm[ dst[i + 0*stride] + ((b0 + b4) >> 7)];

  256.         dst[i + 1*stride] = cm[ dst[i + 1*stride] + ((b1 + b5) >> 7)];

  257.         dst[i + 2*stride] = cm[ dst[i + 2*stride] + ((b2 + b6) >> 7)];

  258.         dst[i + 3*stride] = cm[ dst[i + 3*stride] + ((b3 + b7) >> 7)];

  259.         dst[i + 4*stride] = cm[ dst[i + 4*stride] + ((b3 - b7) >> 7)];

  260.         dst[i + 5*stride] = cm[ dst[i + 5*stride] + ((b2 - b6) >> 7)];

  261.         dst[i + 6*stride] = cm[ dst[i + 6*stride] + ((b1 - b5) >> 7)];

  262.         dst[i + 7*stride] = cm[ dst[i + 7*stride] + ((b0 - b4) >> 7)];

  263.     }

  264. }

  265. 

  266. /*****************************************************************************

  267.  *

  268.  * motion compensation

  269.  *

  270.  ****************************************************************************/

  271. 

  272. #define CAVS_SUBPIX(OPNAME, OP, NAME, A, B, C, D, E, F) \

  273. static void OPNAME ## cavs_filt8_h_ ## NAME(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\

  274. {                                                                       \

  275.     const int h=8;\

  276.     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\

  277.     int i;\

  278.     for(i=0; i<h; i++)\

  279.     {\

  280.         OP(dst[0], A*src[-2] + B*src[-1] + C*src[0] + D*src[1] + E*src[2] + F*src[3]);\

  281.         OP(dst[1], A*src[-1] + B*src[ 0] + C*src[1] + D*src[2] + E*src[3] + F*src[4]);\

  282.         OP(dst[2], A*src[ 0] + B*src[ 1] + C*src[2] + D*src[3] + E*src[4] + F*src[5]);\

  283.         OP(dst[3], A*src[ 1] + B*src[ 2] + C*src[3] + D*src[4] + E*src[5] + F*src[6]);\

  284.         OP(dst[4], A*src[ 2] + B*src[ 3] + C*src[4] + D*src[5] + E*src[6] + F*src[7]);\

  285.         OP(dst[5], A*src[ 3] + B*src[ 4] + C*src[5] + D*src[6] + E*src[7] + F*src[8]);\

  286.         OP(dst[6], A*src[ 4] + B*src[ 5] + C*src[6] + D*src[7] + E*src[8] + F*src[9]);\

  287.         OP(dst[7], A*src[ 5] + B*src[ 6] + C*src[7] + D*src[8] + E*src[9] + F*src[10]);\

  288.         dst+=dstStride;\

  289.         src+=srcStride;\

  290.     }\

  291. }\

  292. \

  293. static void OPNAME ## cavs_filt8_v_  ## NAME(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\

  294. {                                                                       \

  295.     const int w=8;\

  296.     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\

  297.     int i;\

  298.     for(i=0; i<w; i++)\

  299.     {\

  300.         const int srcB= src[-2*srcStride];\

  301.         const int srcA= src[-1*srcStride];\

  302.         const int src0= src[0 *srcStride];\

  303.         const int src1= src[1 *srcStride];\

  304.         const int src2= src[2 *srcStride];\

  305.         const int src3= src[3 *srcStride];\

  306.         const int src4= src[4 *srcStride];\

  307.         const int src5= src[5 *srcStride];\

  308.         const int src6= src[6 *srcStride];\

  309.         const int src7= src[7 *srcStride];\

  310.         const int src8= src[8 *srcStride];\

  311.         const int src9= src[9 *srcStride];\

  312.         const int src10= src[10 *srcStride];\

  313.         OP(dst[0*dstStride], A*srcB + B*srcA + C*src0 + D*src1 + E*src2 + F*src3);\

  314.         OP(dst[1*dstStride], A*srcA + B*src0 + C*src1 + D*src2 + E*src3 + F*src4);\

  315.         OP(dst[2*dstStride], A*src0 + B*src1 + C*src2 + D*src3 + E*src4 + F*src5);\

  316.         OP(dst[3*dstStride], A*src1 + B*src2 + C*src3 + D*src4 + E*src5 + F*src6);\

  317.         OP(dst[4*dstStride], A*src2 + B*src3 + C*src4 + D*src5 + E*src6 + F*src7);\

  318.         OP(dst[5*dstStride], A*src3 + B*src4 + C*src5 + D*src6 + E*src7 + F*src8);\

  319.         OP(dst[6*dstStride], A*src4 + B*src5 + C*src6 + D*src7 + E*src8 + F*src9);\

  320.         OP(dst[7*dstStride], A*src5 + B*src6 + C*src7 + D*src8 + E*src9 + F*src10);\

  321.         dst++;\

  322.         src++;\

  323.     }\

  324. }\

  325. \

  326. static void OPNAME ## cavs_filt16_v_ ## NAME(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\

  327. {                                                                       \

  328.     OPNAME ## cavs_filt8_v_ ## NAME(dst  , src  , dstStride, srcStride);\

  329.     OPNAME ## cavs_filt8_v_ ## NAME(dst+8, src+8, dstStride, srcStride);\

  330.     src += 8*srcStride;\

  331.     dst += 8*dstStride;\

  332.     OPNAME ## cavs_filt8_v_ ## NAME(dst  , src  , dstStride, srcStride);\

  333.     OPNAME ## cavs_filt8_v_ ## NAME(dst+8, src+8, dstStride, srcStride);\

  334. }\

  335. \

  336. static void OPNAME ## cavs_filt16_h_ ## NAME(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\

  337. {                                                                       \

  338.     OPNAME ## cavs_filt8_h_ ## NAME(dst  , src  , dstStride, srcStride);\

  339.     OPNAME ## cavs_filt8_h_ ## NAME(dst+8, src+8, dstStride, srcStride);\

  340.     src += 8*srcStride;\

  341.     dst += 8*dstStride;\

  342.     OPNAME ## cavs_filt8_h_ ## NAME(dst  , src  , dstStride, srcStride);\

  343.     OPNAME ## cavs_filt8_h_ ## NAME(dst+8, src+8, dstStride, srcStride);\

  344. }\

  345. 

  346. #define CAVS_SUBPIX_HV(OPNAME, OP, NAME, AH, BH, CH, DH, EH, FH, AV, BV, CV, DV, EV, FV, FULL) \

  347. static void OPNAME ## cavs_filt8_hv_ ## NAME(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, ptrdiff_t dstStride, ptrdiff_t srcStride)\

  348. {                                                                       \

  349.     int16_t temp[8*(8+5)];\

  350.     int16_t *tmp = temp;\

  351.     const int h=8;\

  352.     const int w=8;\

  353.     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\

  354.     int i;\

  355.     src1 -= 2*srcStride;\

  356.     for(i=0; i<h+5; i++)\

  357.     {\

  358.         tmp[0]= AH*src1[-2] + BH*src1[-1] + CH*src1[0] + DH*src1[1] + EH*src1[2] + FH*src1[3];\

  359.         tmp[1]= AH*src1[-1] + BH*src1[ 0] + CH*src1[1] + DH*src1[2] + EH*src1[3] + FH*src1[4];\

  360.         tmp[2]= AH*src1[ 0] + BH*src1[ 1] + CH*src1[2] + DH*src1[3] + EH*src1[4] + FH*src1[5];\

  361.         tmp[3]= AH*src1[ 1] + BH*src1[ 2] + CH*src1[3] + DH*src1[4] + EH*src1[5] + FH*src1[6];\

  362.         tmp[4]= AH*src1[ 2] + BH*src1[ 3] + CH*src1[4] + DH*src1[5] + EH*src1[6] + FH*src1[7];\

  363.         tmp[5]= AH*src1[ 3] + BH*src1[ 4] + CH*src1[5] + DH*src1[6] + EH*src1[7] + FH*src1[8];\

  364.         tmp[6]= AH*src1[ 4] + BH*src1[ 5] + CH*src1[6] + DH*src1[7] + EH*src1[8] + FH*src1[9];\

  365.         tmp[7]= AH*src1[ 5] + BH*src1[ 6] + CH*src1[7] + DH*src1[8] + EH*src1[9] + FH*src1[10];\

  366.         tmp+=8;\

  367.         src1+=srcStride;\

  368.     }\

  369.     if(FULL) {\

  370.       tmp = temp+8*2;                           \

  371.       for(i=0; i<w; i++)                        \

  372.         {                                       \

  373.           const int tmpB= tmp[-2*8];    \

  374.           const int tmpA= tmp[-1*8];    \

  375.           const int tmp0= tmp[0 *8];    \

  376.           const int tmp1= tmp[1 *8];    \

  377.           const int tmp2= tmp[2 *8];    \

  378.           const int tmp3= tmp[3 *8];    \

  379.           const int tmp4= tmp[4 *8];    \

  380.           const int tmp5= tmp[5 *8];    \

  381.           const int tmp6= tmp[6 *8];    \

  382.           const int tmp7= tmp[7 *8];    \

  383.           const int tmp8= tmp[8 *8];    \

  384.           const int tmp9= tmp[9 *8];    \

  385.           const int tmp10=tmp[10*8];                            \

  386.           OP(dst[0*dstStride], AV*tmpB + BV*tmpA + CV*tmp0 + DV*tmp1 + EV*tmp2 + FV*tmp3 + 64*src2[0*srcStride]); \

  387.           OP(dst[1*dstStride], AV*tmpA + BV*tmp0 + CV*tmp1 + DV*tmp2 + EV*tmp3 + FV*tmp4 + 64*src2[1*srcStride]); \

  388.           OP(dst[2*dstStride], AV*tmp0 + BV*tmp1 + CV*tmp2 + DV*tmp3 + EV*tmp4 + FV*tmp5 + 64*src2[2*srcStride]); \

  389.           OP(dst[3*dstStride], AV*tmp1 + BV*tmp2 + CV*tmp3 + DV*tmp4 + EV*tmp5 + FV*tmp6 + 64*src2[3*srcStride]); \

  390.           OP(dst[4*dstStride], AV*tmp2 + BV*tmp3 + CV*tmp4 + DV*tmp5 + EV*tmp6 + FV*tmp7 + 64*src2[4*srcStride]); \

  391.           OP(dst[5*dstStride], AV*tmp3 + BV*tmp4 + CV*tmp5 + DV*tmp6 + EV*tmp7 + FV*tmp8 + 64*src2[5*srcStride]); \

  392.           OP(dst[6*dstStride], AV*tmp4 + BV*tmp5 + CV*tmp6 + DV*tmp7 + EV*tmp8 + FV*tmp9 + 64*src2[6*srcStride]); \

  393.           OP(dst[7*dstStride], AV*tmp5 + BV*tmp6 + CV*tmp7 + DV*tmp8 + EV*tmp9 + FV*tmp10 + 64*src2[7*srcStride]); \

  394.           dst++;                                                        \

  395.           tmp++;                                                        \

  396.           src2++;                                                       \

  397.         }                                                               \

  398.     } else {\

  399.       tmp = temp+8*2;                           \

  400.       for(i=0; i<w; i++)                        \

  401.         {                                       \

  402.           const int tmpB= tmp[-2*8];    \

  403.           const int tmpA= tmp[-1*8];    \

  404.           const int tmp0= tmp[0 *8];    \

  405.           const int tmp1= tmp[1 *8];    \

  406.           const int tmp2= tmp[2 *8];    \

  407.           const int tmp3= tmp[3 *8];    \

  408.           const int tmp4= tmp[4 *8];    \

  409.           const int tmp5= tmp[5 *8];    \

  410.           const int tmp6= tmp[6 *8];    \

  411.           const int tmp7= tmp[7 *8];    \

  412.           const int tmp8= tmp[8 *8];    \

  413.           const int tmp9= tmp[9 *8];    \

  414.           const int tmp10=tmp[10*8];                            \

  415.           OP(dst[0*dstStride], AV*tmpB + BV*tmpA + CV*tmp0 + DV*tmp1 + EV*tmp2 + FV*tmp3); \

  416.           OP(dst[1*dstStride], AV*tmpA + BV*tmp0 + CV*tmp1 + DV*tmp2 + EV*tmp3 + FV*tmp4); \

  417.           OP(dst[2*dstStride], AV*tmp0 + BV*tmp1 + CV*tmp2 + DV*tmp3 + EV*tmp4 + FV*tmp5); \

  418.           OP(dst[3*dstStride], AV*tmp1 + BV*tmp2 + CV*tmp3 + DV*tmp4 + EV*tmp5 + FV*tmp6); \

  419.           OP(dst[4*dstStride], AV*tmp2 + BV*tmp3 + CV*tmp4 + DV*tmp5 + EV*tmp6 + FV*tmp7); \

  420.           OP(dst[5*dstStride], AV*tmp3 + BV*tmp4 + CV*tmp5 + DV*tmp6 + EV*tmp7 + FV*tmp8); \

  421.           OP(dst[6*dstStride], AV*tmp4 + BV*tmp5 + CV*tmp6 + DV*tmp7 + EV*tmp8 + FV*tmp9); \

  422.           OP(dst[7*dstStride], AV*tmp5 + BV*tmp6 + CV*tmp7 + DV*tmp8 + EV*tmp9 + FV*tmp10); \

  423.           dst++;                                                        \

  424.           tmp++;                                                        \

  425.         }                                                               \

  426.     }\

  427. }\

  428. \

  429. static void OPNAME ## cavs_filt16_hv_ ## NAME(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, ptrdiff_t dstStride, ptrdiff_t srcStride)\

  430. {                                                                       \

  431.     OPNAME ## cavs_filt8_hv_ ## NAME(dst  , src1,   src2  , dstStride, srcStride); \

  432.     OPNAME ## cavs_filt8_hv_ ## NAME(dst+8, src1+8, src2+8, dstStride, srcStride); \

  433.     src1 += 8*srcStride;\

  434.     src2 += 8*srcStride;\

  435.     dst += 8*dstStride;\

  436.     OPNAME ## cavs_filt8_hv_ ## NAME(dst  , src1,   src2  , dstStride, srcStride); \

  437.     OPNAME ## cavs_filt8_hv_ ## NAME(dst+8, src1+8, src2+8, dstStride, srcStride); \

  438. }\

  439. 

  440. #define CAVS_MC(OPNAME, SIZE) \

  441. static void OPNAME ## cavs_qpel ## SIZE ## _mc10_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  442. {\

  443.     OPNAME ## cavs_filt ## SIZE ## _h_qpel_l(dst, src, stride, stride);\

  444. }\

  445. \

  446. static void OPNAME ## cavs_qpel ## SIZE ## _mc20_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  447. {\

  448.     OPNAME ## cavs_filt ## SIZE ## _h_hpel(dst, src, stride, stride);\

  449. }\

  450. \

  451. static void OPNAME ## cavs_qpel ## SIZE ## _mc30_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  452. {\

  453.     OPNAME ## cavs_filt ## SIZE ## _h_qpel_r(dst, src, stride, stride);\

  454. }\

  455. \

  456. static void OPNAME ## cavs_qpel ## SIZE ## _mc01_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  457. {\

  458.     OPNAME ## cavs_filt ## SIZE ## _v_qpel_l(dst, src, stride, stride);\

  459. }\

  460. \

  461. static void OPNAME ## cavs_qpel ## SIZE ## _mc02_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  462. {\

  463.     OPNAME ## cavs_filt ## SIZE ## _v_hpel(dst, src, stride, stride);\

  464. }\

  465. \

  466. static void OPNAME ## cavs_qpel ## SIZE ## _mc03_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  467. {\

  468.     OPNAME ## cavs_filt ## SIZE ## _v_qpel_r(dst, src, stride, stride);\

  469. }\

  470. \

  471. static void OPNAME ## cavs_qpel ## SIZE ## _mc22_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  472. {\

  473.   OPNAME ## cavs_filt ## SIZE ## _hv_jj(dst, src, NULL, stride, stride); \

  474. }\

  475. \

  476. static void OPNAME ## cavs_qpel ## SIZE ## _mc11_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  477. {\

  478.   OPNAME ## cavs_filt ## SIZE ## _hv_egpr(dst, src, src, stride, stride); \

  479. }\

  480. \

  481. static void OPNAME ## cavs_qpel ## SIZE ## _mc13_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  482. {\

  483.   OPNAME ## cavs_filt ## SIZE ## _hv_egpr(dst, src, src+stride, stride, stride); \

  484. }\

  485. \

  486. static void OPNAME ## cavs_qpel ## SIZE ## _mc31_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  487. {\

  488.   OPNAME ## cavs_filt ## SIZE ## _hv_egpr(dst, src, src+1, stride, stride); \

  489. }\

  490. \

  491. static void OPNAME ## cavs_qpel ## SIZE ## _mc33_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  492. {\

  493.   OPNAME ## cavs_filt ## SIZE ## _hv_egpr(dst, src, src+stride+1,stride, stride); \

  494. }\

  495. \

  496. static void OPNAME ## cavs_qpel ## SIZE ## _mc21_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  497. {\

  498.   OPNAME ## cavs_filt ## SIZE ## _hv_ff(dst, src, src+stride+1,stride, stride); \

  499. }\

  500. \

  501. static void OPNAME ## cavs_qpel ## SIZE ## _mc12_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  502. {\

  503.   OPNAME ## cavs_filt ## SIZE ## _hv_ii(dst, src, src+stride+1,stride, stride); \

  504. }\

  505. \

  506. static void OPNAME ## cavs_qpel ## SIZE ## _mc32_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  507. {\

  508.   OPNAME ## cavs_filt ## SIZE ## _hv_kk(dst, src, src+stride+1,stride, stride); \

  509. }\

  510. \

  511. static void OPNAME ## cavs_qpel ## SIZE ## _mc23_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\

  512. {\

  513.   OPNAME ## cavs_filt ## SIZE ## _hv_qq(dst, src, src+stride+1,stride, stride); \

  514. }\

  515. 

  516. #define op_put1(a, b)  a = cm[((b)+4)>>3]

  517. #define op_put2(a, b)  a = cm[((b)+64)>>7]

  518. #define op_put3(a, b)  a = cm[((b)+32)>>6]

  519. #define op_put4(a, b)  a = cm[((b)+512)>>10]

  520. #define op_avg1(a, b)  a = ((a)+cm[((b)+4)>>3]   +1)>>1

  521. #define op_avg2(a, b)  a = ((a)+cm[((b)+64)>>7]  +1)>>1

  522. #define op_avg3(a, b)  a = ((a)+cm[((b)+32)>>6]  +1)>>1

  523. #define op_avg4(a, b)  a = ((a)+cm[((b)+512)>>10]+1)>>1

  524. CAVS_SUBPIX(put_   , op_put1, hpel,    0, -1,  5,  5, -1,  0)

  525. CAVS_SUBPIX(put_   , op_put2, qpel_l, -1, -2, 96, 42, -7,  0)

  526. CAVS_SUBPIX(put_   , op_put2, qpel_r,  0, -7, 42, 96, -2, -1)

  527. CAVS_SUBPIX_HV(put_, op_put3, jj,      0, -1,  5,  5, -1,  0,  0, -1,  5,  5, -1, 0, 0)

  528. CAVS_SUBPIX_HV(put_, op_put4, ff,      0, -1,  5,  5, -1,  0, -1, -2, 96, 42, -7, 0, 0)

  529. CAVS_SUBPIX_HV(put_, op_put4, ii,     -1, -2, 96, 42, -7,  0,  0, -1,  5,  5, -1, 0, 0)

  530. CAVS_SUBPIX_HV(put_, op_put4, kk,      0, -7, 42, 96, -2, -1,  0, -1,  5,  5, -1, 0, 0)

  531. CAVS_SUBPIX_HV(put_, op_put4, qq,      0, -1,  5,  5, -1,  0,  0, -7, 42, 96, -2,-1, 0)

  532. CAVS_SUBPIX_HV(put_, op_put2, egpr,    0, -1,  5,  5, -1,  0,  0, -1,  5,  5, -1, 0, 1)

  533. CAVS_SUBPIX(avg_   , op_avg1, hpel,    0, -1,  5,  5, -1,  0)

  534. CAVS_SUBPIX(avg_   , op_avg2, qpel_l, -1, -2, 96, 42, -7,  0)

  535. CAVS_SUBPIX(avg_   , op_avg2, qpel_r,  0, -7, 42, 96, -2, -1)

  536. CAVS_SUBPIX_HV(avg_, op_avg3, jj,      0, -1,  5,  5, -1,  0,  0, -1,  5,  5, -1, 0, 0)

  537. CAVS_SUBPIX_HV(avg_, op_avg4, ff,      0, -1,  5,  5, -1,  0, -1, -2, 96, 42, -7, 0, 0)

  538. CAVS_SUBPIX_HV(avg_, op_avg4, ii,     -1, -2, 96, 42, -7,  0,  0, -1,  5,  5, -1, 0, 0)

  539. CAVS_SUBPIX_HV(avg_, op_avg4, kk,      0, -7, 42, 96, -2, -1,  0, -1,  5,  5, -1, 0, 0)

  540. CAVS_SUBPIX_HV(avg_, op_avg4, qq,      0, -1,  5,  5, -1,  0,  0, -7, 42, 96, -2,-1, 0)

  541. CAVS_SUBPIX_HV(avg_, op_avg2, egpr,    0, -1,  5,  5, -1,  0,  0, -1,  5,  5, -1, 0, 1)

  542. CAVS_MC(put_, 8)

  543. CAVS_MC(put_, 16)

  544. CAVS_MC(avg_, 8)

  545. CAVS_MC(avg_, 16)

  546. 

  547. #define put_cavs_qpel8_mc00_c  ff_put_pixels8x8_c

  548. #define avg_cavs_qpel8_mc00_c  ff_avg_pixels8x8_c

  549. #define put_cavs_qpel16_mc00_c ff_put_pixels16x16_c

  550. #define avg_cavs_qpel16_mc00_c ff_avg_pixels16x16_c

  551. 

  552. av_cold void ff_cavsdsp_init(CAVSDSPContext* c, AVCodecContext *avctx) {

  553. #define dspfunc(PFX, IDX, NUM) \

  554.     c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_c; \

  555.     c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_c; \

  556.     c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_c; \

  557.     c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_c; \

  558.     c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_c; \

  559.     c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_c; \

  560.     c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_c; \

  561.     c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_c; \

  562.     c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_c; \

  563.     c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_c; \

  564.     c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_c; \

  565.     c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_c; \

  566.     c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_c; \

  567.     c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_c; \

  568.     c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_c; \

  569.     c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_c

  570.     dspfunc(put_cavs_qpel, 0, 16);

  571.     dspfunc(put_cavs_qpel, 1, 8);

  572.     dspfunc(avg_cavs_qpel, 0, 16);

  573.     dspfunc(avg_cavs_qpel, 1, 8);

  574.     c->cavs_filter_lv = cavs_filter_lv_c;

  575.     c->cavs_filter_lh = cavs_filter_lh_c;

  576.     c->cavs_filter_cv = cavs_filter_cv_c;

  577.     c->cavs_filter_ch = cavs_filter_ch_c;

  578.     c->cavs_idct8_add = cavs_idct8_add_c;

  579.     c->idct_perm = FF_IDCT_PERM_NONE;

  580. 

  581.     if (ARCH_X86)

  582.         ff_cavsdsp_init_x86(c, avctx);

  583. }