diff options
Diffstat (limited to 'libavcodec/h264_mc_template.c')
| -rw-r--r-- | libavcodec/h264_mc_template.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/libavcodec/h264_mc_template.c b/libavcodec/h264_mc_template.c new file mode 100644 index 0000000000..43a3ecfd72 --- /dev/null +++ b/libavcodec/h264_mc_template.c @@ -0,0 +1,160 @@ +/* + * 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 + */ + +#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(H264Context *h, 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, + qpel_mc_func *qpix_put, + h264_chroma_mc_func chroma_put, + qpel_mc_func *qpix_avg, + h264_chroma_mc_func chroma_avg, + h264_weight_func *weight_op, + h264_biweight_func *weight_avg, + int list0, int list1) +{ + if ((h->use_weight == 2 && list0 && list1 && + (h->implicit_weight[h->ref_cache[0][scan8[n]]][h->ref_cache[1][scan8[n]]][h->s.mb_y & 1] != 32)) || + h->use_weight == 1) + mc_part_weighted(h, 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, 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)(H264Context *h, uint8_t *dest_y, + uint8_t *dest_cb, uint8_t *dest_cr, + qpel_mc_func(*qpix_put)[16], + h264_chroma_mc_func(*chroma_put), + qpel_mc_func(*qpix_avg)[16], + h264_chroma_mc_func(*chroma_avg), + h264_weight_func *weight_op, + h264_biweight_func *weight_avg) +{ + MpegEncContext *const s = &h->s; + const int mb_xy = h->mb_xy; + const int mb_type = s->current_picture.f.mb_type[mb_xy]; + + assert(IS_INTER(mb_type)); + + if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME)) + await_references(h); + prefetch_motion(h, 0, PIXEL_SHIFT, CHROMA_IDC); + + if (IS_16X16(mb_type)) { + mc_part(h, 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, 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, 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, 0, 0, 16, 8 * h->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, 4, 0, 16, 8 * h->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 = h->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, 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, 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, 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, n, 0, 8, 4 * h->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, n + 1, 0, 8, 4 * h->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, 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, 1, PIXEL_SHIFT, CHROMA_IDC); +} + |