| /* |
| * H.26L/H.264/AVC/JVT/14496-10/... decoder |
| * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "h264dec.h" |
| |
| #undef MCFUNC |
| |
| #if CHROMA_IDC == 1 |
| # define MCFUNC(n) FUNC(n ## _420) |
| #elif CHROMA_IDC == 2 |
| # define MCFUNC(n) FUNC(n ## _422) |
| #elif CHROMA_IDC == 3 |
| # define MCFUNC(n) FUNC(n ## _444) |
| #endif |
| |
| #undef mc_part |
| #define mc_part MCFUNC(mc_part) |
| |
| static void mc_part(const H264Context *h, H264SliceContext *sl, |
| int n, int square, |
| int height, int delta, |
| uint8_t *dest_y, uint8_t *dest_cb, |
| uint8_t *dest_cr, |
| int x_offset, int y_offset, |
| const qpel_mc_func *qpix_put, |
| h264_chroma_mc_func chroma_put, |
| const qpel_mc_func *qpix_avg, |
| h264_chroma_mc_func chroma_avg, |
| const h264_weight_func *weight_op, |
| const h264_biweight_func *weight_avg, |
| int list0, int list1) |
| { |
| if ((sl->pwt.use_weight == 2 && list0 && list1 && |
| (sl->pwt.implicit_weight[sl->ref_cache[0][scan8[n]]][sl->ref_cache[1][scan8[n]]][sl->mb_y & 1] != 32)) || |
| sl->pwt.use_weight == 1) |
| mc_part_weighted(h, sl, n, square, height, delta, dest_y, dest_cb, dest_cr, |
| x_offset, y_offset, qpix_put, chroma_put, |
| weight_op[0], weight_op[1], weight_avg[0], |
| weight_avg[1], list0, list1, PIXEL_SHIFT, CHROMA_IDC); |
| else |
| mc_part_std(h, sl, n, square, height, delta, dest_y, dest_cb, dest_cr, |
| x_offset, y_offset, qpix_put, chroma_put, qpix_avg, |
| chroma_avg, list0, list1, PIXEL_SHIFT, CHROMA_IDC); |
| } |
| |
| static void MCFUNC(hl_motion)(const H264Context *h, H264SliceContext *sl, |
| uint8_t *dest_y, |
| uint8_t *dest_cb, uint8_t *dest_cr, |
| const qpel_mc_func(*qpix_put)[16], |
| const h264_chroma_mc_func(*chroma_put), |
| const qpel_mc_func(*qpix_avg)[16], |
| const h264_chroma_mc_func(*chroma_avg), |
| const h264_weight_func *weight_op, |
| const h264_biweight_func *weight_avg) |
| { |
| const int mb_xy = sl->mb_xy; |
| const int mb_type = h->cur_pic.mb_type[mb_xy]; |
| |
| av_assert2(IS_INTER(mb_type)); |
| |
| if (HAVE_THREADS && (h->avctx->active_thread_type & FF_THREAD_FRAME)) |
| await_references(h, sl); |
| if (USES_LIST(mb_type, 0)) |
| prefetch_motion(h, sl, 0, PIXEL_SHIFT, CHROMA_IDC); |
| |
| if (IS_16X16(mb_type)) { |
| mc_part(h, sl, 0, 1, 16, 0, dest_y, dest_cb, dest_cr, 0, 0, |
| qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0], |
| weight_op, weight_avg, |
| IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1)); |
| } else if (IS_16X8(mb_type)) { |
| mc_part(h, sl, 0, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 0, |
| qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0], |
| weight_op, weight_avg, |
| IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1)); |
| mc_part(h, sl, 8, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 4, |
| qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0], |
| weight_op, weight_avg, |
| IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1)); |
| } else if (IS_8X16(mb_type)) { |
| mc_part(h, sl, 0, 0, 16, 8 * sl->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0, |
| qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1], |
| &weight_op[1], &weight_avg[1], |
| IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1)); |
| mc_part(h, sl, 4, 0, 16, 8 * sl->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0, |
| qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1], |
| &weight_op[1], &weight_avg[1], |
| IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1)); |
| } else { |
| int i; |
| |
| av_assert2(IS_8X8(mb_type)); |
| |
| for (i = 0; i < 4; i++) { |
| const int sub_mb_type = sl->sub_mb_type[i]; |
| const int n = 4 * i; |
| int x_offset = (i & 1) << 2; |
| int y_offset = (i & 2) << 1; |
| |
| if (IS_SUB_8X8(sub_mb_type)) { |
| mc_part(h, sl, n, 1, 8, 0, dest_y, dest_cb, dest_cr, |
| x_offset, y_offset, |
| qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1], |
| &weight_op[1], &weight_avg[1], |
| IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| } else if (IS_SUB_8X4(sub_mb_type)) { |
| mc_part(h, sl, n, 0, 4, 4 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, |
| x_offset, y_offset, |
| qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1], |
| &weight_op[1], &weight_avg[1], |
| IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| mc_part(h, sl, n + 2, 0, 4, 4 << PIXEL_SHIFT, |
| dest_y, dest_cb, dest_cr, x_offset, y_offset + 2, |
| qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1], |
| &weight_op[1], &weight_avg[1], |
| IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| } else if (IS_SUB_4X8(sub_mb_type)) { |
| mc_part(h, sl, n, 0, 8, 4 * sl->mb_linesize, |
| dest_y, dest_cb, dest_cr, x_offset, y_offset, |
| qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2], |
| &weight_op[2], &weight_avg[2], |
| IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| mc_part(h, sl, n + 1, 0, 8, 4 * sl->mb_linesize, |
| dest_y, dest_cb, dest_cr, x_offset + 2, y_offset, |
| qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2], |
| &weight_op[2], &weight_avg[2], |
| IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| } else { |
| int j; |
| av_assert2(IS_SUB_4X4(sub_mb_type)); |
| for (j = 0; j < 4; j++) { |
| int sub_x_offset = x_offset + 2 * (j & 1); |
| int sub_y_offset = y_offset + (j & 2); |
| mc_part(h, sl, n + j, 1, 4, 0, |
| dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset, |
| qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2], |
| &weight_op[2], &weight_avg[2], |
| IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| } |
| } |
| } |
| } |
| |
| if (USES_LIST(mb_type, 1)) |
| prefetch_motion(h, sl, 1, PIXEL_SHIFT, CHROMA_IDC); |
| } |
| |
