libavcodec/rv30dsp.c

   1 /*
   2  * RV30 decoder motion compensation functions
   3  * Copyright (c) 2007 Konstantin Shishkov
   4  *
   5  * This file is part of Libav.
   6  *
   7  * Libav 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  * Libav 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 Libav; 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
  24  * RV30 decoder motion compensation functions
  25  */
  26
  27 #include "avcodec.h"
  28 #include "h264chroma.h"
  29 #include "h264qpel.h"
  30 #include "rv34dsp.h"
  31
  32 #define RV30_LOWPASS(OPNAME, OP) \
  33 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){\
  34     const int h = 8;\
  35     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
  36     int i;\
  37     for(i = 0; i < h; i++)\
  38     {\
  39         OP(dst[0], (-(src[-1]+src[2]) + src[0]*C1 + src[1]*C2 + 8)>>4);\
  40         OP(dst[1], (-(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2 + 8)>>4);\
  41         OP(dst[2], (-(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2 + 8)>>4);\
  42         OP(dst[3], (-(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2 + 8)>>4);\
  43         OP(dst[4], (-(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2 + 8)>>4);\
  44         OP(dst[5], (-(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2 + 8)>>4);\
  45         OP(dst[6], (-(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2 + 8)>>4);\
  46         OP(dst[7], (-(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2 + 8)>>4);\
  47         dst += dstStride;\
  48         src += srcStride;\
  49     }\
  50 }\
  51 \
  52 static void OPNAME ## rv30_tpel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
  53     const int w = 8;\
  54     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
  55     int i;\
  56     for(i = 0; i < w; i++)\
  57     {\
  58         const int srcA = src[-1*srcStride];\
  59         const int src0 = src[0 *srcStride];\
  60         const int src1 = src[1 *srcStride];\
  61         const int src2 = src[2 *srcStride];\
  62         const int src3 = src[3 *srcStride];\
  63         const int src4 = src[4 *srcStride];\
  64         const int src5 = src[5 *srcStride];\
  65         const int src6 = src[6 *srcStride];\
  66         const int src7 = src[7 *srcStride];\
  67         const int src8 = src[8 *srcStride];\
  68         const int src9 = src[9 *srcStride];\
  69         OP(dst[0*dstStride], (-(srcA+src2) + src0*C1 + src1*C2 + 8)>>4);\
  70         OP(dst[1*dstStride], (-(src0+src3) + src1*C1 + src2*C2 + 8)>>4);\
  71         OP(dst[2*dstStride], (-(src1+src4) + src2*C1 + src3*C2 + 8)>>4);\
  72         OP(dst[3*dstStride], (-(src2+src5) + src3*C1 + src4*C2 + 8)>>4);\
  73         OP(dst[4*dstStride], (-(src3+src6) + src4*C1 + src5*C2 + 8)>>4);\
  74         OP(dst[5*dstStride], (-(src4+src7) + src5*C1 + src6*C2 + 8)>>4);\
  75         OP(dst[6*dstStride], (-(src5+src8) + src6*C1 + src7*C2 + 8)>>4);\
  76         OP(dst[7*dstStride], (-(src6+src9) + src7*C1 + src8*C2 + 8)>>4);\
  77         dst++;\
  78         src++;\
  79     }\
  80 }\
  81 \
  82 static void OPNAME ## rv30_tpel8_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
  83     const int w = 8;\
  84     const int h = 8;\
  85     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
  86     int i, j;\
  87     for(j = 0; j < h; j++){\
  88         for(i = 0; i < w; i++){\
  89             OP(dst[i], (\
  90                   src[srcStride*-1+i-1]  -12*src[srcStride*-1+i]  -6*src[srcStride*-1+i+1]    +src[srcStride*-1+i+2]+\
  91               -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i] +72*src[srcStride* 0+i+1] -12*src[srcStride* 0+i+2] +\
  92                -6*src[srcStride* 1+i-1]  +72*src[srcStride* 1+i] +36*src[srcStride* 1+i+1]  -6*src[srcStride* 1+i+2] +\
  93                   src[srcStride* 2+i-1]  -12*src[srcStride* 2+i]  -6*src[srcStride* 2+i+1]    +src[srcStride* 2+i+2] +\
  94                   128)>>8);\
  95         }\
  96         src += srcStride;\
  97         dst += dstStride;\
  98     }\
  99 }\
 100 \
 101 static void OPNAME ## rv30_tpel8_hhv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 102     const int w = 8;\
 103     const int h = 8;\
 104     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
 105     int i, j;\
 106     for(j = 0; j < h; j++){\
 107         for(i = 0; i < w; i++){\
 108             OP(dst[i], (\
 109                   src[srcStride*-1+i-1]  -12*src[srcStride*-1+i+1]  -6*src[srcStride*-1+i]    +src[srcStride*-1+i+2]+\
 110               -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i+1] +72*src[srcStride* 0+i] -12*src[srcStride* 0+i+2]+\
 111                -6*src[srcStride* 1+i-1]  +72*src[srcStride* 1+i+1] +36*src[srcStride* 1+i]  -6*src[srcStride* 1+i+2]+\
 112                   src[srcStride* 2+i-1]  -12*src[srcStride* 2+i+1]  -6*src[srcStride* 2+i]    +src[srcStride* 2+i+2]+\
 113                   128)>>8);\
 114         }\
 115         src += srcStride;\
 116         dst += dstStride;\
 117     }\
 118 }\
 119 \
 120 static void OPNAME ## rv30_tpel8_hvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 121     const int w = 8;\
 122     const int h = 8;\
 123     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
 124     int i, j;\
 125     for(j = 0; j < h; j++){\
 126         for(i = 0; i < w; i++){\
 127             OP(dst[i], (\
 128                   src[srcStride*-1+i-1]  -12*src[srcStride*-1+i]  -6*src[srcStride*-1+i+1]    +src[srcStride*-1+i+2]+\
 129                -6*src[srcStride* 0+i-1]  +72*src[srcStride* 0+i] +36*src[srcStride* 0+i+1]  -6*src[srcStride* 0+i+2]+\
 130               -12*src[srcStride* 1+i-1] +144*src[srcStride* 1+i] +72*src[srcStride* 1+i+1] -12*src[srcStride* 1+i+2]+\
 131                   src[srcStride* 2+i-1]  -12*src[srcStride* 2+i]  -6*src[srcStride* 2+i+1]    +src[srcStride* 2+i+2]+\
 132                   128)>>8);\
 133         }\
 134         src += srcStride;\
 135         dst += dstStride;\
 136     }\
 137 }\
 138 \
 139 static void OPNAME ## rv30_tpel8_hhvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 140     const int w = 8;\
 141     const int h = 8;\
 142     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
 143     int i, j;\
 144     for(j = 0; j < h; j++){\
 145         for(i = 0; i < w; i++){\
 146             OP(dst[i], (\
 147                36*src[i+srcStride*0] +54*src[i+1+srcStride*0] +6*src[i+2+srcStride*0]+\
 148                54*src[i+srcStride*1] +81*src[i+1+srcStride*1] +9*src[i+2+srcStride*1]+\
 149                 6*src[i+srcStride*2] + 9*src[i+1+srcStride*2] +  src[i+2+srcStride*2]+\
 150                128)>>8);\
 151         }\
 152         src += srcStride;\
 153         dst += dstStride;\
 154     }\
 155 }\
 156 \
 157 static void OPNAME ## rv30_tpel16_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
 158     OPNAME ## rv30_tpel8_v_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\
 159     OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
 160     src += 8*srcStride;\
 161     dst += 8*dstStride;\
 162     OPNAME ## rv30_tpel8_v_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\
 163     OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
 164 }\
 165 \
 166 static void OPNAME ## rv30_tpel16_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
 167     OPNAME ## rv30_tpel8_h_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\
 168     OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
 169     src += 8*srcStride;\
 170     dst += 8*dstStride;\
 171     OPNAME ## rv30_tpel8_h_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\
 172     OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
 173 }\
 174 \
 175 static void OPNAME ## rv30_tpel16_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 176     OPNAME ## rv30_tpel8_hv_lowpass(dst  , src  , dstStride, srcStride);\
 177     OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
 178     src += 8*srcStride;\
 179     dst += 8*dstStride;\
 180     OPNAME ## rv30_tpel8_hv_lowpass(dst  , src  , dstStride, srcStride);\
 181     OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
 182 }\
 183 \
 184 static void OPNAME ## rv30_tpel16_hhv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 185     OPNAME ## rv30_tpel8_hhv_lowpass(dst  , src  , dstStride, srcStride);\
 186     OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
 187     src += 8*srcStride;\
 188     dst += 8*dstStride;\
 189     OPNAME ## rv30_tpel8_hhv_lowpass(dst  , src  , dstStride, srcStride);\
 190     OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
 191 }\
 192 \
 193 static void OPNAME ## rv30_tpel16_hvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 194     OPNAME ## rv30_tpel8_hvv_lowpass(dst  , src  , dstStride, srcStride);\
 195     OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
 196     src += 8*srcStride;\
 197     dst += 8*dstStride;\
 198     OPNAME ## rv30_tpel8_hvv_lowpass(dst  , src  , dstStride, srcStride);\
 199     OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
 200 }\
 201 \
 202 static void OPNAME ## rv30_tpel16_hhvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
 203     OPNAME ## rv30_tpel8_hhvv_lowpass(dst  , src  , dstStride, srcStride);\
 204     OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
 205     src += 8*srcStride;\
 206     dst += 8*dstStride;\
 207     OPNAME ## rv30_tpel8_hhvv_lowpass(dst  , src  , dstStride, srcStride);\
 208     OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
 209 }\
 210 \
 211
 212 #define RV30_MC(OPNAME, SIZE) \
 213 static void OPNAME ## rv30_tpel ## SIZE ## _mc10_c(uint8_t *dst, uint8_t *src, int stride){\
 214     OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 12, 6);\
 215 }\
 216 \
 217 static void OPNAME ## rv30_tpel ## SIZE ## _mc20_c(uint8_t *dst, uint8_t *src, int stride){\
 218     OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 6, 12);\
 219 }\
 220 \
 221 static void OPNAME ## rv30_tpel ## SIZE ## _mc01_c(uint8_t *dst, uint8_t *src, int stride){\
 222     OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\
 223 }\
 224 \
 225 static void OPNAME ## rv30_tpel ## SIZE ## _mc02_c(uint8_t *dst, uint8_t *src, int stride){\
 226     OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 6, 12);\
 227 }\
 228 \
 229 static void OPNAME ## rv30_tpel ## SIZE ## _mc11_c(uint8_t *dst, uint8_t *src, int stride){\
 230     OPNAME ## rv30_tpel ## SIZE ## _hv_lowpass(dst, src, stride, stride);\
 231 }\
 232 \
 233 static void OPNAME ## rv30_tpel ## SIZE ## _mc12_c(uint8_t *dst, uint8_t *src, int stride){\
 234     OPNAME ## rv30_tpel ## SIZE ## _hvv_lowpass(dst, src, stride, stride);\
 235 }\
 236 \
 237 static void OPNAME ## rv30_tpel ## SIZE ## _mc21_c(uint8_t *dst, uint8_t *src, int stride){\
 238     OPNAME ## rv30_tpel ## SIZE ## _hhv_lowpass(dst, src, stride, stride);\
 239 }\
 240 \
 241 static void OPNAME ## rv30_tpel ## SIZE ## _mc22_c(uint8_t *dst, uint8_t *src, int stride){\
 242     OPNAME ## rv30_tpel ## SIZE ## _hhvv_lowpass(dst, src, stride, stride);\
 243 }\
 244 \
 245
 246 #define op_avg(a, b)  a = (((a)+cm[b]+1)>>1)
 247 #define op_put(a, b)  a = cm[b]
 248
 249 RV30_LOWPASS(put_       , op_put)
 250 RV30_LOWPASS(avg_       , op_avg)
 251 RV30_MC(put_, 8)
 252 RV30_MC(put_, 16)
 253 RV30_MC(avg_, 8)
 254 RV30_MC(avg_, 16)
 255
 256 av_cold void ff_rv30dsp_init(RV34DSPContext *c)
 257 {
 258     H264ChromaContext h264chroma;
 259     H264QpelContext qpel;
 260
 261     ff_rv34dsp_init(c);
 262     ff_h264chroma_init(&h264chroma, 8);
 263     ff_h264qpel_init(&qpel, 8);
 264
 265     c->put_pixels_tab[0][ 0] = qpel.put_h264_qpel_pixels_tab[0][0];
 266     c->put_pixels_tab[0][ 1] = put_rv30_tpel16_mc10_c;
 267     c->put_pixels_tab[0][ 2] = put_rv30_tpel16_mc20_c;
 268     c->put_pixels_tab[0][ 4] = put_rv30_tpel16_mc01_c;
 269     c->put_pixels_tab[0][ 5] = put_rv30_tpel16_mc11_c;
 270     c->put_pixels_tab[0][ 6] = put_rv30_tpel16_mc21_c;
 271     c->put_pixels_tab[0][ 8] = put_rv30_tpel16_mc02_c;
 272     c->put_pixels_tab[0][ 9] = put_rv30_tpel16_mc12_c;
 273     c->put_pixels_tab[0][10] = put_rv30_tpel16_mc22_c;
 274     c->avg_pixels_tab[0][ 0] = qpel.avg_h264_qpel_pixels_tab[0][0];
 275     c->avg_pixels_tab[0][ 1] = avg_rv30_tpel16_mc10_c;
 276     c->avg_pixels_tab[0][ 2] = avg_rv30_tpel16_mc20_c;
 277     c->avg_pixels_tab[0][ 4] = avg_rv30_tpel16_mc01_c;
 278     c->avg_pixels_tab[0][ 5] = avg_rv30_tpel16_mc11_c;
 279     c->avg_pixels_tab[0][ 6] = avg_rv30_tpel16_mc21_c;
 280     c->avg_pixels_tab[0][ 8] = avg_rv30_tpel16_mc02_c;
 281     c->avg_pixels_tab[0][ 9] = avg_rv30_tpel16_mc12_c;
 282     c->avg_pixels_tab[0][10] = avg_rv30_tpel16_mc22_c;
 283     c->put_pixels_tab[1][ 0] = qpel.put_h264_qpel_pixels_tab[1][0];
 284     c->put_pixels_tab[1][ 1] = put_rv30_tpel8_mc10_c;
 285     c->put_pixels_tab[1][ 2] = put_rv30_tpel8_mc20_c;
 286     c->put_pixels_tab[1][ 4] = put_rv30_tpel8_mc01_c;
 287     c->put_pixels_tab[1][ 5] = put_rv30_tpel8_mc11_c;
 288     c->put_pixels_tab[1][ 6] = put_rv30_tpel8_mc21_c;
 289     c->put_pixels_tab[1][ 8] = put_rv30_tpel8_mc02_c;
 290     c->put_pixels_tab[1][ 9] = put_rv30_tpel8_mc12_c;
 291     c->put_pixels_tab[1][10] = put_rv30_tpel8_mc22_c;
 292     c->avg_pixels_tab[1][ 0] = qpel.avg_h264_qpel_pixels_tab[1][0];
 293     c->avg_pixels_tab[1][ 1] = avg_rv30_tpel8_mc10_c;
 294     c->avg_pixels_tab[1][ 2] = avg_rv30_tpel8_mc20_c;
 295     c->avg_pixels_tab[1][ 4] = avg_rv30_tpel8_mc01_c;
 296     c->avg_pixels_tab[1][ 5] = avg_rv30_tpel8_mc11_c;
 297     c->avg_pixels_tab[1][ 6] = avg_rv30_tpel8_mc21_c;
 298     c->avg_pixels_tab[1][ 8] = avg_rv30_tpel8_mc02_c;
 299     c->avg_pixels_tab[1][ 9] = avg_rv30_tpel8_mc12_c;
 300     c->avg_pixels_tab[1][10] = avg_rv30_tpel8_mc22_c;
 301
 302     c->put_chroma_pixels_tab[0] = h264chroma.put_h264_chroma_pixels_tab[0];
 303     c->put_chroma_pixels_tab[1] = h264chroma.put_h264_chroma_pixels_tab[1];
 304     c->avg_chroma_pixels_tab[0] = h264chroma.avg_h264_chroma_pixels_tab[0];
 305     c->avg_chroma_pixels_tab[1] = h264chroma.avg_h264_chroma_pixels_tab[1];
 306 }