ffmpeg/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
  24  * RV30 decoder motion compensation functions
  25  */
  26
  27 #include "avcodec.h"
  28 #include "h264chroma.h"
  29 #include "h264qpel.h"
  30 #include "mathops.h"
  31 #include "rv34dsp.h"
  32
  33 #define RV30_LOWPASS(OPNAME, OP) \
  34 static void OPNAME ## rv30_tpel8_h_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
  35     const int h = 8;\
  36     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
  37     int i;\
  38     for(i = 0; i < h; i++)\
  39     {\
  40         OP(dst[0], (-(src[-1]+src[2]) + src[0]*C1 + src[1]*C2 + 8)>>4);\
  41         OP(dst[1], (-(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2 + 8)>>4);\
  42         OP(dst[2], (-(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2 + 8)>>4);\
  43         OP(dst[3], (-(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2 + 8)>>4);\
  44         OP(dst[4], (-(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2 + 8)>>4);\
  45         OP(dst[5], (-(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2 + 8)>>4);\
  46         OP(dst[6], (-(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2 + 8)>>4);\
  47         OP(dst[7], (-(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2 + 8)>>4);\
  48         dst += dstStride;\
  49         src += srcStride;\
  50     }\
  51 }\
  52 \
  53 static void OPNAME ## rv30_tpel8_v_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
  54     const int w = 8;\
  55     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
  56     int i;\
  57     for(i = 0; i < w; i++)\
  58     {\
  59         const int srcA = src[-1*srcStride];\
  60         const int src0 = src[0 *srcStride];\
  61         const int src1 = src[1 *srcStride];\
  62         const int src2 = src[2 *srcStride];\
  63         const int src3 = src[3 *srcStride];\
  64         const int src4 = src[4 *srcStride];\
  65         const int src5 = src[5 *srcStride];\
  66         const int src6 = src[6 *srcStride];\
  67         const int src7 = src[7 *srcStride];\
  68         const int src8 = src[8 *srcStride];\
  69         const int src9 = src[9 *srcStride];\
  70         OP(dst[0*dstStride], (-(srcA+src2) + src0*C1 + src1*C2 + 8)>>4);\
  71         OP(dst[1*dstStride], (-(src0+src3) + src1*C1 + src2*C2 + 8)>>4);\
  72         OP(dst[2*dstStride], (-(src1+src4) + src2*C1 + src3*C2 + 8)>>4);\
  73         OP(dst[3*dstStride], (-(src2+src5) + src3*C1 + src4*C2 + 8)>>4);\
  74         OP(dst[4*dstStride], (-(src3+src6) + src4*C1 + src5*C2 + 8)>>4);\
  75         OP(dst[5*dstStride], (-(src4+src7) + src5*C1 + src6*C2 + 8)>>4);\
  76         OP(dst[6*dstStride], (-(src5+src8) + src6*C1 + src7*C2 + 8)>>4);\
  77         OP(dst[7*dstStride], (-(src6+src9) + src7*C1 + src8*C2 + 8)>>4);\
  78         dst++;\
  79         src++;\
  80     }\
  81 }\
  82 \
  83 static void OPNAME ## rv30_tpel8_hv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
  84     const int w = 8;\
  85     const int h = 8;\
  86     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
  87     int i, j;\
  88     for(j = 0; j < h; j++){\
  89         for(i = 0; i < w; i++){\
  90             OP(dst[i], (\
  91                   src[srcStride*-1+i-1]  -12*src[srcStride*-1+i]  -6*src[srcStride*-1+i+1]    +src[srcStride*-1+i+2]+\
  92               -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i] +72*src[srcStride* 0+i+1] -12*src[srcStride* 0+i+2] +\
  93                -6*src[srcStride* 1+i-1]  +72*src[srcStride* 1+i] +36*src[srcStride* 1+i+1]  -6*src[srcStride* 1+i+2] +\
  94                   src[srcStride* 2+i-1]  -12*src[srcStride* 2+i]  -6*src[srcStride* 2+i+1]    +src[srcStride* 2+i+2] +\
  95                   128)>>8);\
  96         }\
  97         src += srcStride;\
  98         dst += dstStride;\
  99     }\
 100 }\
 101 \
 102 static void OPNAME ## rv30_tpel8_hhv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
 103     const int w = 8;\
 104     const int h = 8;\
 105     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
 106     int i, j;\
 107     for(j = 0; j < h; j++){\
 108         for(i = 0; i < w; i++){\
 109             OP(dst[i], (\
 110                   src[srcStride*-1+i-1]  -12*src[srcStride*-1+i+1]  -6*src[srcStride*-1+i]    +src[srcStride*-1+i+2]+\
 111               -12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i+1] +72*src[srcStride* 0+i] -12*src[srcStride* 0+i+2]+\
 112                -6*src[srcStride* 1+i-1]  +72*src[srcStride* 1+i+1] +36*src[srcStride* 1+i]  -6*src[srcStride* 1+i+2]+\
 113                   src[srcStride* 2+i-1]  -12*src[srcStride* 2+i+1]  -6*src[srcStride* 2+i]    +src[srcStride* 2+i+2]+\
 114                   128)>>8);\
 115         }\
 116         src += srcStride;\
 117         dst += dstStride;\
 118     }\
 119 }\
 120 \
 121 static void OPNAME ## rv30_tpel8_hvv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
 122     const int w = 8;\
 123     const int h = 8;\
 124     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
 125     int i, j;\
 126     for(j = 0; j < h; j++){\
 127         for(i = 0; i < w; i++){\
 128             OP(dst[i], (\
 129                   src[srcStride*-1+i-1]  -12*src[srcStride*-1+i]  -6*src[srcStride*-1+i+1]    +src[srcStride*-1+i+2]+\
 130                -6*src[srcStride* 0+i-1]  +72*src[srcStride* 0+i] +36*src[srcStride* 0+i+1]  -6*src[srcStride* 0+i+2]+\
 131               -12*src[srcStride* 1+i-1] +144*src[srcStride* 1+i] +72*src[srcStride* 1+i+1] -12*src[srcStride* 1+i+2]+\
 132                   src[srcStride* 2+i-1]  -12*src[srcStride* 2+i]  -6*src[srcStride* 2+i+1]    +src[srcStride* 2+i+2]+\
 133                   128)>>8);\
 134         }\
 135         src += srcStride;\
 136         dst += dstStride;\
 137     }\
 138 }\
 139 \
 140 static void OPNAME ## rv30_tpel8_hhvv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
 141     const int w = 8;\
 142     const int h = 8;\
 143     const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\
 144     int i, j;\
 145     for(j = 0; j < h; j++){\
 146         for(i = 0; i < w; i++){\
 147             OP(dst[i], (\
 148                36*src[i+srcStride*0] +54*src[i+1+srcStride*0] +6*src[i+2+srcStride*0]+\
 149                54*src[i+srcStride*1] +81*src[i+1+srcStride*1] +9*src[i+2+srcStride*1]+\
 150                 6*src[i+srcStride*2] + 9*src[i+1+srcStride*2] +  src[i+2+srcStride*2]+\
 151                128)>>8);\
 152         }\
 153         src += srcStride;\
 154         dst += dstStride;\
 155     }\
 156 }\
 157 \
 158 static void OPNAME ## rv30_tpel16_v_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
 159     OPNAME ## rv30_tpel8_v_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\
 160     OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
 161     src += 8*srcStride;\
 162     dst += 8*dstStride;\
 163     OPNAME ## rv30_tpel8_v_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\
 164     OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
 165 }\
 166 \
 167 static void OPNAME ## rv30_tpel16_h_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
 168     OPNAME ## rv30_tpel8_h_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\
 169     OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
 170     src += 8*srcStride;\
 171     dst += 8*dstStride;\
 172     OPNAME ## rv30_tpel8_h_lowpass(dst  , src  , dstStride, srcStride, C1, C2);\
 173     OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
 174 }\
 175 \
 176 static void OPNAME ## rv30_tpel16_hv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
 177     OPNAME ## rv30_tpel8_hv_lowpass(dst  , src  , dstStride, srcStride);\
 178     OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
 179     src += 8*srcStride;\
 180     dst += 8*dstStride;\
 181     OPNAME ## rv30_tpel8_hv_lowpass(dst  , src  , dstStride, srcStride);\
 182     OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
 183 }\
 184 \
 185 static void OPNAME ## rv30_tpel16_hhv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
 186     OPNAME ## rv30_tpel8_hhv_lowpass(dst  , src  , dstStride, srcStride);\
 187     OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
 188     src += 8*srcStride;\
 189     dst += 8*dstStride;\
 190     OPNAME ## rv30_tpel8_hhv_lowpass(dst  , src  , dstStride, srcStride);\
 191     OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
 192 }\
 193 \
 194 static void OPNAME ## rv30_tpel16_hvv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
 195     OPNAME ## rv30_tpel8_hvv_lowpass(dst  , src  , dstStride, srcStride);\
 196     OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
 197     src += 8*srcStride;\
 198     dst += 8*dstStride;\
 199     OPNAME ## rv30_tpel8_hvv_lowpass(dst  , src  , dstStride, srcStride);\
 200     OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
 201 }\
 202 \
 203 static void OPNAME ## rv30_tpel16_hhvv_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride){\
 204     OPNAME ## rv30_tpel8_hhvv_lowpass(dst  , src  , dstStride, srcStride);\
 205     OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
 206     src += 8*srcStride;\
 207     dst += 8*dstStride;\
 208     OPNAME ## rv30_tpel8_hhvv_lowpass(dst  , src  , dstStride, srcStride);\
 209     OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
 210 }\
 211 \
 212
 213 #define RV30_MC(OPNAME, SIZE) \
 214 static void OPNAME ## rv30_tpel ## SIZE ## _mc10_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 215 {\
 216     OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 12, 6);\
 217 }\
 218 \
 219 static void OPNAME ## rv30_tpel ## SIZE ## _mc20_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 220 {\
 221     OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 6, 12);\
 222 }\
 223 \
 224 static void OPNAME ## rv30_tpel ## SIZE ## _mc01_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 225 {\
 226     OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\
 227 }\
 228 \
 229 static void OPNAME ## rv30_tpel ## SIZE ## _mc02_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 230 {\
 231     OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 6, 12);\
 232 }\
 233 \
 234 static void OPNAME ## rv30_tpel ## SIZE ## _mc11_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 235 {\
 236     OPNAME ## rv30_tpel ## SIZE ## _hv_lowpass(dst, src, stride, stride);\
 237 }\
 238 \
 239 static void OPNAME ## rv30_tpel ## SIZE ## _mc12_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 240 {\
 241     OPNAME ## rv30_tpel ## SIZE ## _hvv_lowpass(dst, src, stride, stride);\
 242 }\
 243 \
 244 static void OPNAME ## rv30_tpel ## SIZE ## _mc21_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 245 {\
 246     OPNAME ## rv30_tpel ## SIZE ## _hhv_lowpass(dst, src, stride, stride);\
 247 }\
 248 \
 249 static void OPNAME ## rv30_tpel ## SIZE ## _mc22_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
 250 {\
 251     OPNAME ## rv30_tpel ## SIZE ## _hhvv_lowpass(dst, src, stride, stride);\
 252 }\
 253 \
 254
 255 #define op_avg(a, b)  a = (((a)+cm[b]+1)>>1)
 256 #define op_put(a, b)  a = cm[b]
 257
 258 RV30_LOWPASS(put_       , op_put)
 259 RV30_LOWPASS(avg_       , op_avg)
 260 RV30_MC(put_, 8)
 261 RV30_MC(put_, 16)
 262 RV30_MC(avg_, 8)
 263 RV30_MC(avg_, 16)
 264
 265 av_cold void ff_rv30dsp_init(RV34DSPContext *c)
 266 {
 267     H264ChromaContext h264chroma;
 268     H264QpelContext qpel;
 269
 270     ff_rv34dsp_init(c);
 271     ff_h264chroma_init(&h264chroma, 8);
 272     ff_h264qpel_init(&qpel, 8);
 273
 274     c->put_pixels_tab[0][ 0] = qpel.put_h264_qpel_pixels_tab[0][0];
 275     c->put_pixels_tab[0][ 1] = put_rv30_tpel16_mc10_c;
 276     c->put_pixels_tab[0][ 2] = put_rv30_tpel16_mc20_c;
 277     c->put_pixels_tab[0][ 4] = put_rv30_tpel16_mc01_c;
 278     c->put_pixels_tab[0][ 5] = put_rv30_tpel16_mc11_c;
 279     c->put_pixels_tab[0][ 6] = put_rv30_tpel16_mc21_c;
 280     c->put_pixels_tab[0][ 8] = put_rv30_tpel16_mc02_c;
 281     c->put_pixels_tab[0][ 9] = put_rv30_tpel16_mc12_c;
 282     c->put_pixels_tab[0][10] = put_rv30_tpel16_mc22_c;
 283     c->avg_pixels_tab[0][ 0] = qpel.avg_h264_qpel_pixels_tab[0][0];
 284     c->avg_pixels_tab[0][ 1] = avg_rv30_tpel16_mc10_c;
 285     c->avg_pixels_tab[0][ 2] = avg_rv30_tpel16_mc20_c;
 286     c->avg_pixels_tab[0][ 4] = avg_rv30_tpel16_mc01_c;
 287     c->avg_pixels_tab[0][ 5] = avg_rv30_tpel16_mc11_c;
 288     c->avg_pixels_tab[0][ 6] = avg_rv30_tpel16_mc21_c;
 289     c->avg_pixels_tab[0][ 8] = avg_rv30_tpel16_mc02_c;
 290     c->avg_pixels_tab[0][ 9] = avg_rv30_tpel16_mc12_c;
 291     c->avg_pixels_tab[0][10] = avg_rv30_tpel16_mc22_c;
 292     c->put_pixels_tab[1][ 0] = qpel.put_h264_qpel_pixels_tab[1][0];
 293     c->put_pixels_tab[1][ 1] = put_rv30_tpel8_mc10_c;
 294     c->put_pixels_tab[1][ 2] = put_rv30_tpel8_mc20_c;
 295     c->put_pixels_tab[1][ 4] = put_rv30_tpel8_mc01_c;
 296     c->put_pixels_tab[1][ 5] = put_rv30_tpel8_mc11_c;
 297     c->put_pixels_tab[1][ 6] = put_rv30_tpel8_mc21_c;
 298     c->put_pixels_tab[1][ 8] = put_rv30_tpel8_mc02_c;
 299     c->put_pixels_tab[1][ 9] = put_rv30_tpel8_mc12_c;
 300     c->put_pixels_tab[1][10] = put_rv30_tpel8_mc22_c;
 301     c->avg_pixels_tab[1][ 0] = qpel.avg_h264_qpel_pixels_tab[1][0];
 302     c->avg_pixels_tab[1][ 1] = avg_rv30_tpel8_mc10_c;
 303     c->avg_pixels_tab[1][ 2] = avg_rv30_tpel8_mc20_c;
 304     c->avg_pixels_tab[1][ 4] = avg_rv30_tpel8_mc01_c;
 305     c->avg_pixels_tab[1][ 5] = avg_rv30_tpel8_mc11_c;
 306     c->avg_pixels_tab[1][ 6] = avg_rv30_tpel8_mc21_c;
 307     c->avg_pixels_tab[1][ 8] = avg_rv30_tpel8_mc02_c;
 308     c->avg_pixels_tab[1][ 9] = avg_rv30_tpel8_mc12_c;
 309     c->avg_pixels_tab[1][10] = avg_rv30_tpel8_mc22_c;
 310
 311     c->put_chroma_pixels_tab[0] = h264chroma.put_h264_chroma_pixels_tab[0];
 312     c->put_chroma_pixels_tab[1] = h264chroma.put_h264_chroma_pixels_tab[1];
 313     c->avg_chroma_pixels_tab[0] = h264chroma.avg_h264_chroma_pixels_tab[0];
 314     c->avg_chroma_pixels_tab[1] = h264chroma.avg_h264_chroma_pixels_tab[1];
 315 }