GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/h264_mc_template.c Lines: 52 52 100.0 %
Date: 2020-07-13 04:22:34 Branches: 32 32 100.0 %

Line Branch Exec Source
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/*
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 * H.26L/H.264/AVC/JVT/14496-10/... decoder
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 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#include "h264dec.h"
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#undef MCFUNC
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#if   CHROMA_IDC == 1
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#   define MCFUNC(n) FUNC(n ## _420)
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#elif CHROMA_IDC == 2
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#   define MCFUNC(n) FUNC(n ## _422)
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#elif CHROMA_IDC == 3
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#   define MCFUNC(n) FUNC(n ## _444)
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#endif
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#undef  mc_part
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#define mc_part MCFUNC(mc_part)
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static void mc_part(const H264Context *h, H264SliceContext *sl,
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                    int n, int square,
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                    int height, int delta,
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                    uint8_t *dest_y, uint8_t *dest_cb,
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                    uint8_t *dest_cr,
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                    int x_offset, int y_offset,
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                    const qpel_mc_func *qpix_put,
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                    h264_chroma_mc_func chroma_put,
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                    const qpel_mc_func *qpix_avg,
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                    h264_chroma_mc_func chroma_avg,
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                    const h264_weight_func *weight_op,
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                    const h264_biweight_func *weight_avg,
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                    int list0, int list1)
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{
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    if ((sl->pwt.use_weight == 2 && list0 && list1 &&
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         (sl->pwt.implicit_weight[sl->ref_cache[0][scan8[n]]][sl->ref_cache[1][scan8[n]]][sl->mb_y & 1] != 32)) ||
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        sl->pwt.use_weight == 1)
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        mc_part_weighted(h, sl, n, square, height, delta, dest_y, dest_cb, dest_cr,
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                         x_offset, y_offset, qpix_put, chroma_put,
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                         weight_op[0], weight_op[1], weight_avg[0],
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                         weight_avg[1], list0, list1, PIXEL_SHIFT, CHROMA_IDC);
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    else
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        mc_part_std(h, sl, n, square, height, delta, dest_y, dest_cb, dest_cr,
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                    x_offset, y_offset, qpix_put, chroma_put, qpix_avg,
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                    chroma_avg, list0, list1, PIXEL_SHIFT, CHROMA_IDC);
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}
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static void MCFUNC(hl_motion)(const H264Context *h, H264SliceContext *sl,
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                              uint8_t *dest_y,
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                              uint8_t *dest_cb, uint8_t *dest_cr,
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                              const qpel_mc_func(*qpix_put)[16],
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                              const h264_chroma_mc_func(*chroma_put),
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                              const qpel_mc_func(*qpix_avg)[16],
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                              const h264_chroma_mc_func(*chroma_avg),
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                              const h264_weight_func *weight_op,
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                              const h264_biweight_func *weight_avg)
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{
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18162718
    const int mb_xy   = sl->mb_xy;
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18162718
    const int mb_type = h->cur_pic.mb_type[mb_xy];
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    av_assert2(IS_INTER(mb_type));
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    if (HAVE_THREADS && (h->avctx->active_thread_type & FF_THREAD_FRAME))
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        await_references(h, sl);
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    if (USES_LIST(mb_type, 0))
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        prefetch_motion(h, sl, 0, PIXEL_SHIFT, CHROMA_IDC);
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    if (IS_16X16(mb_type)) {
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        mc_part(h, sl, 0, 1, 16, 0, dest_y, dest_cb, dest_cr, 0, 0,
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                qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
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                weight_op, weight_avg,
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                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
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    } else if (IS_16X8(mb_type)) {
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        mc_part(h, sl, 0, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 0,
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                qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
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                weight_op, weight_avg,
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                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
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        mc_part(h, sl, 8, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 4,
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                qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
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                weight_op, weight_avg,
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                IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
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    } else if (IS_8X16(mb_type)) {
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        mc_part(h, sl, 0, 0, 16, 8 * sl->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
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                qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
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                &weight_op[1], &weight_avg[1],
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                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
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        mc_part(h, sl, 4, 0, 16, 8 * sl->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
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                qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
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                &weight_op[1], &weight_avg[1],
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                IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
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    } else {
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        int i;
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        av_assert2(IS_8X8(mb_type));
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        for (i = 0; i < 4; i++) {
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            const int sub_mb_type = sl->sub_mb_type[i];
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            const int n  = 4 * i;
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            int x_offset = (i & 1) << 2;
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            int y_offset = (i & 2) << 1;
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            if (IS_SUB_8X8(sub_mb_type)) {
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                mc_part(h, sl, n, 1, 8, 0, dest_y, dest_cb, dest_cr,
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                        x_offset, y_offset,
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                        qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
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                        &weight_op[1], &weight_avg[1],
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                        IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
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            } else if (IS_SUB_8X4(sub_mb_type)) {
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                mc_part(h, sl, n, 0, 4, 4 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr,
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                        x_offset, y_offset,
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                        qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
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                        &weight_op[1], &weight_avg[1],
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                        IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
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                mc_part(h, sl, n + 2, 0, 4, 4 << PIXEL_SHIFT,
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                        dest_y, dest_cb, dest_cr, x_offset, y_offset + 2,
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                        qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
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                        &weight_op[1], &weight_avg[1],
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                        IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
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            } else if (IS_SUB_4X8(sub_mb_type)) {
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                mc_part(h, sl, n, 0, 8, 4 * sl->mb_linesize,
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                        dest_y, dest_cb, dest_cr, x_offset, y_offset,
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                        qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
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                        &weight_op[2], &weight_avg[2],
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                        IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
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                mc_part(h, sl, n + 1, 0, 8, 4 * sl->mb_linesize,
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                        dest_y, dest_cb, dest_cr, x_offset + 2, y_offset,
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                        qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
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                        &weight_op[2], &weight_avg[2],
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                        IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
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            } else {
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                int j;
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                av_assert2(IS_SUB_4X4(sub_mb_type));
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                for (j = 0; j < 4; j++) {
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                    int sub_x_offset = x_offset + 2 * (j & 1);
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                    int sub_y_offset = y_offset + (j & 2);
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                    mc_part(h, sl, n + j, 1, 4, 0,
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                            dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
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                            qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
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                            &weight_op[2], &weight_avg[2],
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                            IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
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                }
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            }
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        }
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    }
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    if (USES_LIST(mb_type, 1))
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        prefetch_motion(h, sl, 1, PIXEL_SHIFT, CHROMA_IDC);
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}
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