git.sesse.net Git - ffmpeg/blob - libavcodec/qpel_template.c

   1 /*
   2  * quarterpel DSP function templates
   3  * Copyright (c) 2000, 2001 Fabrice Bellard
   4  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
   5  *
   6  * This file is part of FFmpeg.
   7  *
   8  * FFmpeg is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * FFmpeg is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with FFmpeg; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 /**
  24  * @file
  25  * quarterpel DSP function templates
  26  */
  27
  28 #define PIXOP2(OPNAME, OP)                                              \
  29 static inline void OPNAME ## _no_rnd_pixels8_l2_8(uint8_t *dst,         \
  30                                                   const uint8_t *src1,  \
  31                                                   const uint8_t *src2,  \
  32                                                   int dst_stride,       \
  33                                                   int src_stride1,      \
  34                                                   int src_stride2,      \
  35                                                   int h)                \
  36 {                                                                       \
  37     int i;                                                              \
  38                                                                         \
  39     for (i = 0; i < h; i++) {                                           \
  40         uint32_t a, b;                                                  \
  41         a = AV_RN32(&src1[i * src_stride1]);                            \
  42         b = AV_RN32(&src2[i * src_stride2]);                            \
  43         OP(*((uint32_t *) &dst[i * dst_stride]),                        \
  44            no_rnd_avg32(a, b));                                         \
  45         a = AV_RN32(&src1[i * src_stride1 + 4]);                        \
  46         b = AV_RN32(&src2[i * src_stride2 + 4]);                        \
  47         OP(*((uint32_t *) &dst[i * dst_stride + 4]),                    \
  48            no_rnd_avg32(a, b));                                         \
  49     }                                                                   \
  50 }                                                                       \
  51                                                                         \
  52 static inline void OPNAME ## _no_rnd_pixels16_l2_8(uint8_t *dst,        \
  53                                                    const uint8_t *src1, \
  54                                                    const uint8_t *src2, \
  55                                                    int dst_stride,      \
  56                                                    int src_stride1,     \
  57                                                    int src_stride2,     \
  58                                                    int h)               \
  59 {                                                                       \
  60     OPNAME ## _no_rnd_pixels8_l2_8(dst, src1, src2, dst_stride,         \
  61                                    src_stride1, src_stride2, h);        \
  62     OPNAME ## _no_rnd_pixels8_l2_8(dst  + 8,                            \
  63                                    src1 + 8,                            \
  64                                    src2 + 8,                            \
  65                                    dst_stride, src_stride1,             \
  66                                    src_stride2, h);                     \
  67 }                                                                       \
  68                                                                         \
  69 static inline void OPNAME ## _pixels8_l4_8(uint8_t *dst,                \
  70                                            const uint8_t *src1,         \
  71                                            const uint8_t *src2,         \
  72                                            const uint8_t *src3,         \
  73                                            const uint8_t *src4,         \
  74                                            int dst_stride,              \
  75                                            int src_stride1,             \
  76                                            int src_stride2,             \
  77                                            int src_stride3,             \
  78                                            int src_stride4,             \
  79                                            int h)                       \
  80 {                                                                       \
  81     /* FIXME HIGH BIT DEPTH */                                          \
  82     int i;                                                              \
  83                                                                         \
  84     for (i = 0; i < h; i++) {                                           \
  85         uint32_t a, b, c, d, l0, l1, h0, h1;                            \
  86         a  = AV_RN32(&src1[i * src_stride1]);                           \
  87         b  = AV_RN32(&src2[i * src_stride2]);                           \
  88         c  = AV_RN32(&src3[i * src_stride3]);                           \
  89         d  = AV_RN32(&src4[i * src_stride4]);                           \
  90         l0 = (a & 0x03030303UL) +                                       \
  91              (b & 0x03030303UL) +                                       \
  92                   0x02020202UL;                                         \
  93         h0 = ((a & 0xFCFCFCFCUL) >> 2) +                                \
  94              ((b & 0xFCFCFCFCUL) >> 2);                                 \
  95         l1 = (c & 0x03030303UL) +                                       \
  96              (d & 0x03030303UL);                                        \
  97         h1 = ((c & 0xFCFCFCFCUL) >> 2) +                                \
  98              ((d & 0xFCFCFCFCUL) >> 2);                                 \
  99         OP(*((uint32_t *) &dst[i * dst_stride]),                        \
 100            h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL));                \
 101         a  = AV_RN32(&src1[i * src_stride1 + 4]);                       \
 102         b  = AV_RN32(&src2[i * src_stride2 + 4]);                       \
 103         c  = AV_RN32(&src3[i * src_stride3 + 4]);                       \
 104         d  = AV_RN32(&src4[i * src_stride4 + 4]);                       \
 105         l0 = (a & 0x03030303UL) +                                       \
 106              (b & 0x03030303UL) +                                       \
 107                   0x02020202UL;                                         \
 108         h0 = ((a & 0xFCFCFCFCUL) >> 2) +                                \
 109              ((b & 0xFCFCFCFCUL) >> 2);                                 \
 110         l1 = (c & 0x03030303UL) +                                       \
 111              (d & 0x03030303UL);                                        \
 112         h1 = ((c & 0xFCFCFCFCUL) >> 2) +                                \
 113              ((d & 0xFCFCFCFCUL) >> 2);                                 \
 114         OP(*((uint32_t *) &dst[i * dst_stride + 4]),                    \
 115            h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL));                \
 116     }                                                                   \
 117 }                                                                       \
 118                                                                         \
 119 static inline void OPNAME ## _no_rnd_pixels8_l4_8(uint8_t *dst,         \
 120                                                   const uint8_t *src1,  \
 121                                                   const uint8_t *src2,  \
 122                                                   const uint8_t *src3,  \
 123                                                   const uint8_t *src4,  \
 124                                                   int dst_stride,       \
 125                                                   int src_stride1,      \
 126                                                   int src_stride2,      \
 127                                                   int src_stride3,      \
 128                                                   int src_stride4,      \
 129                                                   int h)                \
 130 {                                                                       \
 131     /* FIXME HIGH BIT DEPTH */                                          \
 132     int i;                                                              \
 133                                                                         \
 134     for (i = 0; i < h; i++) {                                           \
 135         uint32_t a, b, c, d, l0, l1, h0, h1;                            \
 136         a  = AV_RN32(&src1[i * src_stride1]);                           \
 137         b  = AV_RN32(&src2[i * src_stride2]);                           \
 138         c  = AV_RN32(&src3[i * src_stride3]);                           \
 139         d  = AV_RN32(&src4[i * src_stride4]);                           \
 140         l0 = (a & 0x03030303UL) +                                       \
 141              (b & 0x03030303UL) +                                       \
 142                   0x01010101UL;                                         \
 143         h0 = ((a & 0xFCFCFCFCUL) >> 2) +                                \
 144              ((b & 0xFCFCFCFCUL) >> 2);                                 \
 145         l1 = (c & 0x03030303UL) +                                       \
 146              (d & 0x03030303UL);                                        \
 147         h1 = ((c & 0xFCFCFCFCUL) >> 2) +                                \
 148              ((d & 0xFCFCFCFCUL) >> 2);                                 \
 149         OP(*((uint32_t *) &dst[i * dst_stride]),                        \
 150            h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL));                \
 151         a  = AV_RN32(&src1[i * src_stride1 + 4]);                       \
 152         b  = AV_RN32(&src2[i * src_stride2 + 4]);                       \
 153         c  = AV_RN32(&src3[i * src_stride3 + 4]);                       \
 154         d  = AV_RN32(&src4[i * src_stride4 + 4]);                       \
 155         l0 = (a & 0x03030303UL) +                                       \
 156              (b & 0x03030303UL) +                                       \
 157                   0x01010101UL;                                         \
 158         h0 = ((a & 0xFCFCFCFCUL) >> 2) +                                \
 159              ((b & 0xFCFCFCFCUL) >> 2);                                 \
 160         l1 = (c & 0x03030303UL) +                                       \
 161              (d & 0x03030303UL);                                        \
 162         h1 = ((c & 0xFCFCFCFCUL) >> 2) +                                \
 163              ((d & 0xFCFCFCFCUL) >> 2);                                 \
 164         OP(*((uint32_t *) &dst[i * dst_stride + 4]),                    \
 165            h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL));                \
 166     }                                                                   \
 167 }                                                                       \
 168                                                                         \
 169 static inline void OPNAME ## _pixels16_l4_8(uint8_t *dst,               \
 170                                             const uint8_t *src1,        \
 171                                             const uint8_t *src2,        \
 172                                             const uint8_t *src3,        \
 173                                             const uint8_t *src4,        \
 174                                             int dst_stride,             \
 175                                             int src_stride1,            \
 176                                             int src_stride2,            \
 177                                             int src_stride3,            \
 178                                             int src_stride4,            \
 179                                             int h)                      \
 180 {                                                                       \
 181     OPNAME ## _pixels8_l4_8(dst, src1, src2, src3, src4, dst_stride,    \
 182                             src_stride1, src_stride2, src_stride3,      \
 183                             src_stride4, h);                            \
 184     OPNAME ## _pixels8_l4_8(dst  + 8,                                   \
 185                             src1 + 8, src2 + 8,                         \
 186                             src3 + 8, src4 + 8,                         \
 187                             dst_stride, src_stride1, src_stride2,       \
 188                             src_stride3, src_stride4, h);               \
 189 }                                                                       \
 190                                                                         \
 191 static inline void OPNAME ## _no_rnd_pixels16_l4_8(uint8_t *dst,        \
 192                                                    const uint8_t *src1, \
 193                                                    const uint8_t *src2, \
 194                                                    const uint8_t *src3, \
 195                                                    const uint8_t *src4, \
 196                                                    int dst_stride,      \
 197                                                    int src_stride1,     \
 198                                                    int src_stride2,     \
 199                                                    int src_stride3,     \
 200                                                    int src_stride4,     \
 201                                                    int h)               \
 202 {                                                                       \
 203     OPNAME ## _no_rnd_pixels8_l4_8(dst, src1, src2, src3, src4,         \
 204                                    dst_stride, src_stride1,             \
 205                                    src_stride2, src_stride3,            \
 206                                    src_stride4, h);                     \
 207     OPNAME ## _no_rnd_pixels8_l4_8(dst  + 8,                            \
 208                                    src1 + 8, src2 + 8,                  \
 209                                    src3 + 8, src4 + 8,                  \
 210                                    dst_stride, src_stride1,             \
 211                                    src_stride2, src_stride3,            \
 212                                    src_stride4, h);                     \
 213 }                                                                       \
 214
 215 #define op_avg(a, b) a = rnd_avg32(a, b)
 216 #define op_put(a, b) a = b
 217 #define put_no_rnd_pixels8_8_c put_pixels8_8_c
 218 PIXOP2(avg, op_avg)
 219 PIXOP2(put, op_put)
 220 #undef op_avg
 221 #undef op_put