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FFmpeg/libavcodec/rv30dsp.c

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  1. /*

  2.  * RV30 decoder motion compensation functions

  3.  * Copyright (c) 2007 Konstantin Shishkov

  4.  *

  5.  * This file is part of FFmpeg.

  6.  *

  7.  * FFmpeg is free software; you can redistribute it and/or

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

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

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

  11.  *

  12.  * FFmpeg is distributed in the hope that it will be useful,

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

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

  15.  * Lesser General Public License for more details.

  16.  *

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

  18.  * License along with FFmpeg; if not, write to the Free Software

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

  20.  */

  21. 

  22. /**

  23.  * @file rv30dsp.c

  24.  * RV30 decoder motion compensation functions

  25.  */

  26. 

  27. #include "avcodec.h"

  28. #include "dsputil.h"

  29. 

  30. #define RV30_LOWPASS(OPNAME, OP) \

  31. static av_unused void OPNAME ## rv30_tpel8_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\

  32.     const int h=8;\

  33.     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\

  34.     int i;\

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

  36.     {\

  37.         OP(dst[0], -(src[-1]+src[2]) + src[0]*C1 + src[1]*C2);\

  38.         OP(dst[1], -(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2);\

  39.         OP(dst[2], -(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2);\

  40.         OP(dst[3], -(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2);\

  41.         OP(dst[4], -(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2);\

  42.         OP(dst[5], -(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2);\

  43.         OP(dst[6], -(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2);\

  44.         OP(dst[7], -(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2);\

  45.         dst+=dstStride;\

  46.         src+=srcStride;\

  47.     }\

  48. }\

  49. \

  50. static void OPNAME ## rv30_tpel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\

  51.     const int w=8;\

  52.     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\

  53.     int i;\

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

  55.     {\

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

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

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

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

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

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

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

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

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

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

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

  67.         OP(dst[0*dstStride], -(srcA+src2) + src0*C1 + src1*C2);\

  68.         OP(dst[1*dstStride], -(src0+src3) + src1*C1 + src2*C2);\

  69.         OP(dst[2*dstStride], -(src1+src4) + src2*C1 + src3*C2);\

  70.         OP(dst[3*dstStride], -(src2+src5) + src3*C1 + src4*C2);\

  71.         OP(dst[4*dstStride], -(src3+src6) + src4*C1 + src5*C2);\

  72.         OP(dst[5*dstStride], -(src4+src7) + src5*C1 + src6*C2);\

  73.         OP(dst[6*dstStride], -(src5+src8) + src6*C1 + src7*C2);\

  74.         OP(dst[7*dstStride], -(src6+src9) + src7*C1 + src8*C2);\

  75.         dst++;\

  76.         src++;\

  77.     }\

  78. }\

  79. \

  80. static void OPNAME ## rv30_tpel8_h3_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\

  81.     const int h=8+2;\

  82.     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\

  83.     int i;\

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

  85.     {\

  86.         OP(dst[0], 6*src[0]+9*src[1]+src[2]);\

  87.         OP(dst[1], 6*src[1]+9*src[2]+src[3]);\

  88.         OP(dst[2], 6*src[2]+9*src[3]+src[4]);\

  89.         OP(dst[3], 6*src[3]+9*src[4]+src[5]);\

  90.         OP(dst[4], 6*src[4]+9*src[5]+src[6]);\

  91.         OP(dst[5], 6*src[5]+9*src[6]+src[7]);\

  92.         OP(dst[6], 6*src[6]+9*src[7]+src[8]);\

  93.         OP(dst[7], 6*src[7]+9*src[8]+src[9]);\

  94.         dst+=dstStride;\

  95.         src+=srcStride;\

  96.     }\

  97. }\

  98. \

  99. static void OPNAME ## rv30_tpel8_v3_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\

  100.     const int w=8;\

  101.     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\

  102.     int i;\

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

  104.     {\

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

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

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

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

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

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

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

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

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

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

  115.         OP(dst[0*dstStride], 6*src0 + 9*src1 + src2);\

  116.         OP(dst[1*dstStride], 6*src1 + 9*src2 + src3);\

  117.         OP(dst[2*dstStride], 6*src2 + 9*src3 + src4);\

  118.         OP(dst[3*dstStride], 6*src3 + 9*src4 + src5);\

  119.         OP(dst[4*dstStride], 6*src4 + 9*src5 + src6);\

  120.         OP(dst[5*dstStride], 6*src5 + 9*src6 + src7);\

  121.         OP(dst[6*dstStride], 6*src6 + 9*src7 + src8);\

  122.         OP(dst[7*dstStride], 6*src7 + 9*src8 + src9);\

  123.         dst ++;\

  124.         src ++;\

  125.     }\

  126. }\

  127. \

  128. static void OPNAME ## rv30_tpel8_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\

  129.     uint8_t half[8*10];\

  130.     put_rv30_tpel8_h3_lowpass(half, src, 8, srcStride);\

  131.     OPNAME ## rv30_tpel8_v3_lowpass(dst, half, dstStride, 8);\

  132. }\

  133. \

  134. static void OPNAME ## rv30_tpel16_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\

  135.     OPNAME ## rv30_tpel8_v_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\

  136.     OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\

  137.     src += 8*srcStride;\

  138.     dst += 8*dstStride;\

  139.     OPNAME ## rv30_tpel8_v_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\

  140.     OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\

  141. }\

  142. \

  143. static void OPNAME ## rv30_tpel16_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\

  144.     OPNAME ## rv30_tpel8_h_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\

  145.     OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\

  146.     src += 8*srcStride;\

  147.     dst += 8*dstStride;\

  148.     OPNAME ## rv30_tpel8_h_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\

  149.     OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\

  150. }\

  151. \

  152. static void OPNAME ## rv30_tpel16_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\

  153.     OPNAME ## rv30_tpel8_hv_lowpass(dst  , src  , dstStride, srcStride);\

  154.     OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\

  155.     src += 8*srcStride;\

  156.     dst += 8*dstStride;\

  157.     OPNAME ## rv30_tpel8_hv_lowpass(dst  , src  , dstStride, srcStride);\

  158.     OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\

  159. }\

  160. \

  161. 

  162. #define RV30_MC(OPNAME, SIZE) \

  163. static void OPNAME ## rv30_tpel ## SIZE ## _mc10_c(uint8_t *dst, uint8_t *src, int stride){\

  164.     OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 12, 6);\

  165. }\

  166. \

  167. static void OPNAME ## rv30_tpel ## SIZE ## _mc20_c(uint8_t *dst, uint8_t *src, int stride){\

  168.     OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 6, 12);\

  169. }\

  170. \

  171. static void OPNAME ## rv30_tpel ## SIZE ## _mc01_c(uint8_t *dst, uint8_t *src, int stride){\

  172.     OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\

  173. }\

  174. \

  175. static void OPNAME ## rv30_tpel ## SIZE ## _mc02_c(uint8_t *dst, uint8_t *src, int stride){\

  176.     OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 6, 12);\

  177. }\

  178. \

  179. static void OPNAME ## rv30_tpel ## SIZE ## _mc11_c(uint8_t *dst, uint8_t *src, int stride){\

  180.     uint8_t half[SIZE*SIZE];\

  181.     put_rv30_tpel ## SIZE ## _h_lowpass(half, src, SIZE, stride, 12, 6);\

  182.     OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\

  183. }\

  184. \

  185. static void OPNAME ## rv30_tpel ## SIZE ## _mc12_c(uint8_t *dst, uint8_t *src, int stride){\

  186.     uint8_t half[SIZE*SIZE];\

  187.     put_rv30_tpel ## SIZE ## _h_lowpass(half, src, SIZE, stride, 12, 6);\

  188.     OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 6, 12);\

  189. }\

  190. \

  191. static void OPNAME ## rv30_tpel ## SIZE ## _mc21_c(uint8_t *dst, uint8_t *src, int stride){\

  192.     uint8_t half[SIZE*SIZE];\

  193.     put_rv30_tpel ## SIZE ## _h_lowpass(half, src, SIZE, stride, 6, 12);\

  194.     OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\

  195. }\

  196. \

  197. static void OPNAME ## rv30_tpel ## SIZE ## _mc22_c(uint8_t *dst, uint8_t *src, int stride){\

  198.     OPNAME ## rv30_tpel ## SIZE ## _hv_lowpass(dst, src, stride, stride);\

  199. }\

  200. \

  201. 

  202. #define op_avg(a, b)  a = (((a)+cm[((b) + 8)>>4]+1)>>1)

  203. #define op_put(a, b)  a = cm[((b) + 8)>>4]

  204. 

  205. RV30_LOWPASS(put_       , op_put)

  206. RV30_LOWPASS(avg_       , op_avg)

  207. RV30_MC(put_, 8)

  208. RV30_MC(put_, 16)

  209. RV30_MC(avg_, 8)

  210. RV30_MC(avg_, 16)

  211. 

  212. void ff_rv30dsp_init(DSPContext* c, AVCodecContext *avctx) {

  213.     c->put_rv30_tpel_pixels_tab[0][ 0] = c->put_h264_qpel_pixels_tab[0][0];

  214.     c->put_rv30_tpel_pixels_tab[0][ 1] = put_rv30_tpel16_mc10_c;

  215.     c->put_rv30_tpel_pixels_tab[0][ 2] = put_rv30_tpel16_mc20_c;

  216.     c->put_rv30_tpel_pixels_tab[0][ 4] = put_rv30_tpel16_mc01_c;

  217.     c->put_rv30_tpel_pixels_tab[0][ 5] = put_rv30_tpel16_mc11_c;

  218.     c->put_rv30_tpel_pixels_tab[0][ 6] = put_rv30_tpel16_mc21_c;

  219.     c->put_rv30_tpel_pixels_tab[0][ 8] = put_rv30_tpel16_mc02_c;

  220.     c->put_rv30_tpel_pixels_tab[0][ 9] = put_rv30_tpel16_mc12_c;

  221.     c->put_rv30_tpel_pixels_tab[0][10] = put_rv30_tpel16_mc22_c;

  222.     c->avg_rv30_tpel_pixels_tab[0][ 0] = c->avg_h264_qpel_pixels_tab[0][0];

  223.     c->avg_rv30_tpel_pixels_tab[0][ 1] = avg_rv30_tpel16_mc10_c;

  224.     c->avg_rv30_tpel_pixels_tab[0][ 2] = avg_rv30_tpel16_mc20_c;

  225.     c->avg_rv30_tpel_pixels_tab[0][ 4] = avg_rv30_tpel16_mc01_c;

  226.     c->avg_rv30_tpel_pixels_tab[0][ 5] = avg_rv30_tpel16_mc11_c;

  227.     c->avg_rv30_tpel_pixels_tab[0][ 6] = avg_rv30_tpel16_mc21_c;

  228.     c->avg_rv30_tpel_pixels_tab[0][ 8] = avg_rv30_tpel16_mc02_c;

  229.     c->avg_rv30_tpel_pixels_tab[0][ 9] = avg_rv30_tpel16_mc12_c;

  230.     c->avg_rv30_tpel_pixels_tab[0][10] = avg_rv30_tpel16_mc22_c;

  231.     c->put_rv30_tpel_pixels_tab[1][ 0] = c->put_h264_qpel_pixels_tab[1][0];

  232.     c->put_rv30_tpel_pixels_tab[1][ 1] = put_rv30_tpel8_mc10_c;

  233.     c->put_rv30_tpel_pixels_tab[1][ 2] = put_rv30_tpel8_mc20_c;

  234.     c->put_rv30_tpel_pixels_tab[1][ 4] = put_rv30_tpel8_mc01_c;

  235.     c->put_rv30_tpel_pixels_tab[1][ 5] = put_rv30_tpel8_mc11_c;

  236.     c->put_rv30_tpel_pixels_tab[1][ 6] = put_rv30_tpel8_mc21_c;

  237.     c->put_rv30_tpel_pixels_tab[1][ 8] = put_rv30_tpel8_mc02_c;

  238.     c->put_rv30_tpel_pixels_tab[1][ 9] = put_rv30_tpel8_mc12_c;

  239.     c->put_rv30_tpel_pixels_tab[1][10] = put_rv30_tpel8_mc22_c;

  240.     c->avg_rv30_tpel_pixels_tab[1][ 0] = c->avg_h264_qpel_pixels_tab[1][0];

  241.     c->avg_rv30_tpel_pixels_tab[1][ 1] = avg_rv30_tpel8_mc10_c;

  242.     c->avg_rv30_tpel_pixels_tab[1][ 2] = avg_rv30_tpel8_mc20_c;

  243.     c->avg_rv30_tpel_pixels_tab[1][ 4] = avg_rv30_tpel8_mc01_c;

  244.     c->avg_rv30_tpel_pixels_tab[1][ 5] = avg_rv30_tpel8_mc11_c;

  245.     c->avg_rv30_tpel_pixels_tab[1][ 6] = avg_rv30_tpel8_mc21_c;

  246.     c->avg_rv30_tpel_pixels_tab[1][ 8] = avg_rv30_tpel8_mc02_c;

  247.     c->avg_rv30_tpel_pixels_tab[1][ 9] = avg_rv30_tpel8_mc12_c;

  248.     c->avg_rv30_tpel_pixels_tab[1][10] = avg_rv30_tpel8_mc22_c;

  249. }