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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * H.26L/H.264/AVC/JVT/14496-10/... decoder |
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| 3 | * Copyright (c) 2003 Michael Niedermayer |
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| 4 | * |
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| 5 | * This file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | |||
| 22 | #undef MCFUNC |
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| 23 | |||
| 24 | #if CHROMA_IDC == 1 |
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| 25 | # define MCFUNC(n) FUNC(n ## _420) |
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| 26 | #elif CHROMA_IDC == 2 |
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| 27 | # define MCFUNC(n) FUNC(n ## _422) |
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| 28 | #elif CHROMA_IDC == 3 |
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| 29 | # define MCFUNC(n) FUNC(n ## _444) |
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| 30 | #endif |
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| 31 | |||
| 32 | #undef mc_part |
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| 33 | #define mc_part MCFUNC(mc_part) |
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| 34 | |||
| 35 | static void mc_part(H264Context *h, int n, int square, |
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| 36 | int height, int delta, |
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| 37 | uint8_t *dest_y, uint8_t *dest_cb, |
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| 38 | uint8_t *dest_cr, |
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| 39 | int x_offset, int y_offset, |
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| 40 | qpel_mc_func *qpix_put, |
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| 41 | h264_chroma_mc_func chroma_put, |
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| 42 | qpel_mc_func *qpix_avg, |
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| 43 | h264_chroma_mc_func chroma_avg, |
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| 44 | h264_weight_func *weight_op, |
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| 45 | h264_biweight_func *weight_avg, |
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| 46 | int list0, int list1) |
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| 47 | { |
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| 48 | if ((h->use_weight == 2 && list0 && list1 && |
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| 49 | (h->implicit_weight[h->ref_cache[0][scan8[n]]][h->ref_cache[1][scan8[n]]][h->mb_y & 1] != 32)) || |
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| 50 | h->use_weight == 1) |
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| 51 | mc_part_weighted(h, n, square, height, delta, dest_y, dest_cb, dest_cr, |
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| 52 | x_offset, y_offset, qpix_put, chroma_put, |
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| 53 | weight_op[0], weight_op[1], weight_avg[0], |
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| 54 | weight_avg[1], list0, list1, PIXEL_SHIFT, CHROMA_IDC); |
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| 55 | else |
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| 56 | mc_part_std(h, n, square, height, delta, dest_y, dest_cb, dest_cr, |
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| 57 | x_offset, y_offset, qpix_put, chroma_put, qpix_avg, |
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| 58 | chroma_avg, list0, list1, PIXEL_SHIFT, CHROMA_IDC); |
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| 59 | } |
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| 60 | |||
| 61 | static void MCFUNC(hl_motion)(H264Context *h, uint8_t *dest_y, |
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| 62 | uint8_t *dest_cb, uint8_t *dest_cr, |
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| 63 | qpel_mc_func(*qpix_put)[16], |
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| 64 | h264_chroma_mc_func(*chroma_put), |
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| 65 | qpel_mc_func(*qpix_avg)[16], |
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| 66 | h264_chroma_mc_func(*chroma_avg), |
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| 67 | h264_weight_func *weight_op, |
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| 68 | h264_biweight_func *weight_avg) |
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| 69 | { |
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| 70 | const int mb_xy = h->mb_xy; |
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| 71 | const int mb_type = h->cur_pic.mb_type[mb_xy]; |
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| 72 | |||
| 73 | av_assert2(IS_INTER(mb_type)); |
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| 74 | |||
| 75 | if (HAVE_THREADS && (h->avctx->active_thread_type & FF_THREAD_FRAME)) |
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| 76 | await_references(h); |
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| 77 | prefetch_motion(h, 0, PIXEL_SHIFT, CHROMA_IDC); |
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| 78 | |||
| 79 | if (IS_16X16(mb_type)) { |
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| 80 | mc_part(h, 0, 1, 16, 0, dest_y, dest_cb, dest_cr, 0, 0, |
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| 81 | qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0], |
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| 82 | weight_op, weight_avg, |
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| 83 | IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1)); |
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| 84 | } else if (IS_16X8(mb_type)) { |
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| 85 | mc_part(h, 0, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 0, |
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| 86 | qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0], |
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| 87 | weight_op, weight_avg, |
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| 88 | IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1)); |
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| 89 | mc_part(h, 8, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 4, |
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| 90 | qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0], |
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| 91 | weight_op, weight_avg, |
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| 92 | IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1)); |
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| 93 | } else if (IS_8X16(mb_type)) { |
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| 94 | mc_part(h, 0, 0, 16, 8 * h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0, |
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| 95 | qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1], |
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| 96 | &weight_op[1], &weight_avg[1], |
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| 97 | IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1)); |
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| 98 | mc_part(h, 4, 0, 16, 8 * h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0, |
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| 99 | qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1], |
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| 100 | &weight_op[1], &weight_avg[1], |
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| 101 | IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1)); |
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| 102 | } else { |
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| 103 | int i; |
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| 104 | |||
| 105 | av_assert2(IS_8X8(mb_type)); |
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| 106 | |||
| 107 | for (i = 0; i < 4; i++) { |
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| 108 | const int sub_mb_type = h->sub_mb_type[i]; |
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| 109 | const int n = 4 * i; |
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| 110 | int x_offset = (i & 1) << 2; |
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| 111 | int y_offset = (i & 2) << 1; |
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| 112 | |||
| 113 | if (IS_SUB_8X8(sub_mb_type)) { |
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| 114 | mc_part(h, n, 1, 8, 0, dest_y, dest_cb, dest_cr, |
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| 115 | x_offset, y_offset, |
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| 116 | qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1], |
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| 117 | &weight_op[1], &weight_avg[1], |
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| 118 | IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
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| 119 | } else if (IS_SUB_8X4(sub_mb_type)) { |
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| 120 | mc_part(h, n, 0, 4, 4 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, |
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| 121 | x_offset, y_offset, |
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| 122 | qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1], |
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| 123 | &weight_op[1], &weight_avg[1], |
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| 124 | IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
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| 125 | mc_part(h, n + 2, 0, 4, 4 << PIXEL_SHIFT, |
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| 126 | dest_y, dest_cb, dest_cr, x_offset, y_offset + 2, |
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| 127 | qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1], |
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| 128 | &weight_op[1], &weight_avg[1], |
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| 129 | IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
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| 130 | } else if (IS_SUB_4X8(sub_mb_type)) { |
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| 131 | mc_part(h, n, 0, 8, 4 * h->mb_linesize, |
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| 132 | dest_y, dest_cb, dest_cr, x_offset, y_offset, |
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| 133 | qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2], |
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| 134 | &weight_op[2], &weight_avg[2], |
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| 135 | IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
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| 136 | mc_part(h, n + 1, 0, 8, 4 * h->mb_linesize, |
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| 137 | dest_y, dest_cb, dest_cr, x_offset + 2, y_offset, |
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| 138 | qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2], |
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| 139 | &weight_op[2], &weight_avg[2], |
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| 140 | IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
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| 141 | } else { |
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| 142 | int j; |
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| 143 | av_assert2(IS_SUB_4X4(sub_mb_type)); |
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| 144 | for (j = 0; j < 4; j++) { |
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| 145 | int sub_x_offset = x_offset + 2 * (j & 1); |
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| 146 | int sub_y_offset = y_offset + (j & 2); |
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| 147 | mc_part(h, n + j, 1, 4, 0, |
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| 148 | dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset, |
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| 149 | qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2], |
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| 150 | &weight_op[2], &weight_avg[2], |
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| 151 | IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
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| 152 | } |
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| 153 | } |
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| 154 | } |
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| 155 | } |
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| 156 | |||
| 157 | prefetch_motion(h, 1, PIXEL_SHIFT, CHROMA_IDC); |
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| 158 | } |
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| 159 |