/* * H.26L/H.264/AVC/JVT/14496-10/... decoder * Copyright (c) 2003 Michael Niedermayer * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "h264.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]; assert(IS_INTER(mb_type)); if (HAVE_THREADS && (h->avctx->active_thread_type & FF_THREAD_FRAME)) await_references(h, sl); 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; assert(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; assert(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)); } } } } prefetch_motion(h, sl, 1, PIXEL_SHIFT, CHROMA_IDC); }