libavcodec/rv30dsp.c

   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 libavcodec/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 + 8)>>4);\
  38         OP(dst[1], (-(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2 + 8)>>4);\
  39         OP(dst[2], (-(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2 + 8)>>4);\
  40         OP(dst[3], (-(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2 + 8)>>4);\
  41         OP(dst[4], (-(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2 + 8)>>4);\
  42         OP(dst[5], (-(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2 + 8)>>4);\
  43         OP(dst[6], (-(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2 + 8)>>4);\
  44         OP(dst[7], (-(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2 + 8)>>4);\
  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 + 8)>>4);\
  68         OP(dst[1*dstStride], (-(src0+src3) + src1*C1 + src2*C2 + 8)>>4);\
  69         OP(dst[2*dstStride], (-(src1+src4) + src2*C1 + src3*C2 + 8)>>4);\
  70         OP(dst[3*dstStride], (-(src2+src5) + src3*C1 + src4*C2 + 8)>>4);\
  71         OP(dst[4*dstStride], (-(src3+src6) + src4*C1 + src5*C2 + 8)>>4);\
  72         OP(dst[5*dstStride], (-(src4+src7) + src5*C1 + src6*C2 + 8)>>4);\
  73         OP(dst[6*dstStride], (-(src5+src8) + src6*C1 + src7*C2 + 8)>>4);\
  74         OP(dst[7*dstStride], (-(src6+src9) + src7*C1 + src8*C2 + 8)>>4);\
  75         dst++;\
  76         src++;\
  77     }\
  78 }\
  79 \
  80 static void OPNAME ## rv30_tpel8_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
  81     const int w = 8;\
  82     const int h = 8;\
  83     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
  84     int i, j;\
  85     for(j = 0; j < h; j++){\
  86         for(i = 0; i < w; i++){\
  87             OP(dst[i], (\
  88                   src[srcStride*-1+i-1]  -12*src[srcStride*-1+i]  -6*src[srcStride*-1+i+1]    +src[srcStride*-1+i+2]+\
  89               -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i] +72*src[srcStride* 0+i+1] -12*src[srcStride* 0+i+2] +\
  90                -6*src[srcStride* 1+i-1]  +72*src[srcStride* 1+i] +36*src[srcStride* 1+i+1]  -6*src[srcStride* 1+i+2] +\
  91                   src[srcStride* 2+i-1]  -12*src[srcStride* 2+i]  -6*src[srcStride* 2+i+1]    +src[srcStride* 2+i+2] +\
  92                   128)>>8);\
  93         }\
  94         src += srcStride;\
  95         dst += dstStride;\
  96     }\
  97 }\
  98 \
  99 static void OPNAME ## rv30_tpel8_hhv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 100     const int w = 8;\
 101     const int h = 8;\
 102     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
 103     int i, j;\
 104     for(j = 0; j < h; j++){\
 105         for(i = 0; i < w; i++){\
 106             OP(dst[i], (\
 107                   src[srcStride*-1+i-1]  -12*src[srcStride*-1+i+1]  -6*src[srcStride*-1+i]    +src[srcStride*-1+i+2]+\
 108               -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i+1] +72*src[srcStride* 0+i] -12*src[srcStride* 0+i+2]+\
 109                -6*src[srcStride* 1+i-1]  +72*src[srcStride* 1+i+1] +36*src[srcStride* 1+i]  -6*src[srcStride* 1+i+2]+\
 110                   src[srcStride* 2+i-1]  -12*src[srcStride* 2+i+1]  -6*src[srcStride* 2+i]    +src[srcStride* 2+i+2]+\
 111                   128)>>8);\
 112         }\
 113         src += srcStride;\
 114         dst += dstStride;\
 115     }\
 116 }\
 117 \
 118 static void OPNAME ## rv30_tpel8_hvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 119     const int w = 8;\
 120     const int h = 8;\
 121     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
 122     int i, j;\
 123     for(j = 0; j < h; j++){\
 124         for(i = 0; i < w; i++){\
 125             OP(dst[i], (\
 126                   src[srcStride*-1+i-1]  -12*src[srcStride*-1+i]  -6*src[srcStride*-1+i+1]    +src[srcStride*-1+i+2]+\
 127                -6*src[srcStride* 0+i-1]  +72*src[srcStride* 0+i] +36*src[srcStride* 0+i+1]  -6*src[srcStride* 0+i+2]+\
 128               -12*src[srcStride* 1+i-1] +144*src[srcStride* 1+i] +72*src[srcStride* 1+i+1] -12*src[srcStride* 1+i+2]+\
 129                   src[srcStride* 2+i-1]  -12*src[srcStride* 2+i]  -6*src[srcStride* 2+i+1]    +src[srcStride* 2+i+2]+\
 130                   128)>>8);\
 131         }\
 132         src += srcStride;\
 133         dst += dstStride;\
 134     }\
 135 }\
 136 \
 137 static void OPNAME ## rv30_tpel8_hhvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 138     const int w = 8;\
 139     const int h = 8;\
 140     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
 141     int i, j;\
 142     for(j = 0; j < h; j++){\
 143         for(i = 0; i < w; i++){\
 144             OP(dst[i], (\
 145                36*src[i+srcStride*0] +54*src[i+1+srcStride*0] +6*src[i+2+srcStride*0]+\
 146                54*src[i+srcStride*1] +81*src[i+1+srcStride*1] +9*src[i+2+srcStride*1]+\
 147                 6*src[i+srcStride*2] + 9*src[i+1+srcStride*2] +  src[i+2+srcStride*2]+\
 148                128)>>8);\
 149         }\
 150         src += srcStride;\
 151         dst += dstStride;\
 152     }\
 153 }\
 154 \
 155 static void OPNAME ## rv30_tpel16_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
 156     OPNAME ## rv30_tpel8_v_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\
 157     OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
 158     src += 8*srcStride;\
 159     dst += 8*dstStride;\
 160     OPNAME ## rv30_tpel8_v_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\
 161     OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
 162 }\
 163 \
 164 static void OPNAME ## rv30_tpel16_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
 165     OPNAME ## rv30_tpel8_h_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\
 166     OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
 167     src += 8*srcStride;\
 168     dst += 8*dstStride;\
 169     OPNAME ## rv30_tpel8_h_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\
 170     OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
 171 }\
 172 \
 173 static void OPNAME ## rv30_tpel16_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 174     OPNAME ## rv30_tpel8_hv_lowpass(dst  , src  , dstStride, srcStride);\
 175     OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
 176     src += 8*srcStride;\
 177     dst += 8*dstStride;\
 178     OPNAME ## rv30_tpel8_hv_lowpass(dst  , src  , dstStride, srcStride);\
 179     OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
 180 }\
 181 \
 182 static void OPNAME ## rv30_tpel16_hhv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 183     OPNAME ## rv30_tpel8_hhv_lowpass(dst  , src  , dstStride, srcStride);\
 184     OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
 185     src += 8*srcStride;\
 186     dst += 8*dstStride;\
 187     OPNAME ## rv30_tpel8_hhv_lowpass(dst  , src  , dstStride, srcStride);\
 188     OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
 189 }\
 190 \
 191 static void OPNAME ## rv30_tpel16_hvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 192     OPNAME ## rv30_tpel8_hvv_lowpass(dst  , src  , dstStride, srcStride);\
 193     OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
 194     src += 8*srcStride;\
 195     dst += 8*dstStride;\
 196     OPNAME ## rv30_tpel8_hvv_lowpass(dst  , src  , dstStride, srcStride);\
 197     OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
 198 }\
 199 \
 200 static void OPNAME ## rv30_tpel16_hhvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 201     OPNAME ## rv30_tpel8_hhvv_lowpass(dst  , src  , dstStride, srcStride);\
 202     OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
 203     src += 8*srcStride;\
 204     dst += 8*dstStride;\
 205     OPNAME ## rv30_tpel8_hhvv_lowpass(dst  , src  , dstStride, srcStride);\
 206     OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
 207 }\
 208 \
 209
 210 #define RV30_MC(OPNAME, SIZE) \
 211 static void OPNAME ## rv30_tpel ## SIZE ## _mc10_c(uint8_t *dst, uint8_t *src, int stride){\
 212     OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 12, 6);\
 213 }\
 214 \
 215 static void OPNAME ## rv30_tpel ## SIZE ## _mc20_c(uint8_t *dst, uint8_t *src, int stride){\
 216     OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 6, 12);\
 217 }\
 218 \
 219 static void OPNAME ## rv30_tpel ## SIZE ## _mc01_c(uint8_t *dst, uint8_t *src, int stride){\
 220     OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\
 221 }\
 222 \
 223 static void OPNAME ## rv30_tpel ## SIZE ## _mc02_c(uint8_t *dst, uint8_t *src, int stride){\
 224     OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 6, 12);\
 225 }\
 226 \
 227 static void OPNAME ## rv30_tpel ## SIZE ## _mc11_c(uint8_t *dst, uint8_t *src, int stride){\
 228     OPNAME ## rv30_tpel ## SIZE ## _hv_lowpass(dst, src, stride, stride);\
 229 }\
 230 \
 231 static void OPNAME ## rv30_tpel ## SIZE ## _mc12_c(uint8_t *dst, uint8_t *src, int stride){\
 232     OPNAME ## rv30_tpel ## SIZE ## _hvv_lowpass(dst, src, stride, stride);\
 233 }\
 234 \
 235 static void OPNAME ## rv30_tpel ## SIZE ## _mc21_c(uint8_t *dst, uint8_t *src, int stride){\
 236     OPNAME ## rv30_tpel ## SIZE ## _hhv_lowpass(dst, src, stride, stride);\
 237 }\
 238 \
 239 static void OPNAME ## rv30_tpel ## SIZE ## _mc22_c(uint8_t *dst, uint8_t *src, int stride){\
 240     OPNAME ## rv30_tpel ## SIZE ## _hhvv_lowpass(dst, src, stride, stride);\
 241 }\
 242 \
 243
 244 #define op_avg(a, b)  a = (((a)+cm[b]+1)>>1)
 245 #define op_put(a, b)  a = cm[b]
 246
 247 RV30_LOWPASS(put_       , op_put)
 248 RV30_LOWPASS(avg_       , op_avg)
 249 RV30_MC(put_, 8)
 250 RV30_MC(put_, 16)
 251 RV30_MC(avg_, 8)
 252 RV30_MC(avg_, 16)
 253
 254 void ff_rv30dsp_init(DSPContext* c, AVCodecContext *avctx) {
 255     c->put_rv30_tpel_pixels_tab[0][ 0] = c->put_h264_qpel_pixels_tab[0][0];
 256     c->put_rv30_tpel_pixels_tab[0][ 1] = put_rv30_tpel16_mc10_c;
 257     c->put_rv30_tpel_pixels_tab[0][ 2] = put_rv30_tpel16_mc20_c;
 258     c->put_rv30_tpel_pixels_tab[0][ 4] = put_rv30_tpel16_mc01_c;
 259     c->put_rv30_tpel_pixels_tab[0][ 5] = put_rv30_tpel16_mc11_c;
 260     c->put_rv30_tpel_pixels_tab[0][ 6] = put_rv30_tpel16_mc21_c;
 261     c->put_rv30_tpel_pixels_tab[0][ 8] = put_rv30_tpel16_mc02_c;
 262     c->put_rv30_tpel_pixels_tab[0][ 9] = put_rv30_tpel16_mc12_c;
 263     c->put_rv30_tpel_pixels_tab[0][10] = put_rv30_tpel16_mc22_c;
 264     c->avg_rv30_tpel_pixels_tab[0][ 0] = c->avg_h264_qpel_pixels_tab[0][0];
 265     c->avg_rv30_tpel_pixels_tab[0][ 1] = avg_rv30_tpel16_mc10_c;
 266     c->avg_rv30_tpel_pixels_tab[0][ 2] = avg_rv30_tpel16_mc20_c;
 267     c->avg_rv30_tpel_pixels_tab[0][ 4] = avg_rv30_tpel16_mc01_c;
 268     c->avg_rv30_tpel_pixels_tab[0][ 5] = avg_rv30_tpel16_mc11_c;
 269     c->avg_rv30_tpel_pixels_tab[0][ 6] = avg_rv30_tpel16_mc21_c;
 270     c->avg_rv30_tpel_pixels_tab[0][ 8] = avg_rv30_tpel16_mc02_c;
 271     c->avg_rv30_tpel_pixels_tab[0][ 9] = avg_rv30_tpel16_mc12_c;
 272     c->avg_rv30_tpel_pixels_tab[0][10] = avg_rv30_tpel16_mc22_c;
 273     c->put_rv30_tpel_pixels_tab[1][ 0] = c->put_h264_qpel_pixels_tab[1][0];
 274     c->put_rv30_tpel_pixels_tab[1][ 1] = put_rv30_tpel8_mc10_c;
 275     c->put_rv30_tpel_pixels_tab[1][ 2] = put_rv30_tpel8_mc20_c;
 276     c->put_rv30_tpel_pixels_tab[1][ 4] = put_rv30_tpel8_mc01_c;
 277     c->put_rv30_tpel_pixels_tab[1][ 5] = put_rv30_tpel8_mc11_c;
 278     c->put_rv30_tpel_pixels_tab[1][ 6] = put_rv30_tpel8_mc21_c;
 279     c->put_rv30_tpel_pixels_tab[1][ 8] = put_rv30_tpel8_mc02_c;
 280     c->put_rv30_tpel_pixels_tab[1][ 9] = put_rv30_tpel8_mc12_c;
 281     c->put_rv30_tpel_pixels_tab[1][10] = put_rv30_tpel8_mc22_c;
 282     c->avg_rv30_tpel_pixels_tab[1][ 0] = c->avg_h264_qpel_pixels_tab[1][0];
 283     c->avg_rv30_tpel_pixels_tab[1][ 1] = avg_rv30_tpel8_mc10_c;
 284     c->avg_rv30_tpel_pixels_tab[1][ 2] = avg_rv30_tpel8_mc20_c;
 285     c->avg_rv30_tpel_pixels_tab[1][ 4] = avg_rv30_tpel8_mc01_c;
 286     c->avg_rv30_tpel_pixels_tab[1][ 5] = avg_rv30_tpel8_mc11_c;
 287     c->avg_rv30_tpel_pixels_tab[1][ 6] = avg_rv30_tpel8_mc21_c;
 288     c->avg_rv30_tpel_pixels_tab[1][ 8] = avg_rv30_tpel8_mc02_c;
 289     c->avg_rv30_tpel_pixels_tab[1][ 9] = avg_rv30_tpel8_mc12_c;
 290     c->avg_rv30_tpel_pixels_tab[1][10] = avg_rv30_tpel8_mc22_c;
 291 }