990 lines
38 KiB
C
990 lines
38 KiB
C
/*
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* Copyright (c) 2000,2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* 4MV & hq & B-frame encoding stuff by 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 "libavutil/avassert.h"
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#include "libavutil/internal.h"
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#include "libavutil/mem_internal.h"
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#include "avcodec.h"
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#include "h261.h"
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#include "mpegutils.h"
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#include "mpegvideo.h"
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#include "qpeldsp.h"
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#include "wmv2.h"
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static void gmc1_motion(MpegEncContext *s,
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uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
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uint8_t **ref_picture)
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{
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uint8_t *ptr;
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int src_x, src_y, motion_x, motion_y;
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ptrdiff_t offset, linesize, uvlinesize;
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int emu = 0;
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motion_x = s->sprite_offset[0][0];
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motion_y = s->sprite_offset[0][1];
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src_x = s->mb_x * 16 + (motion_x >> (s->sprite_warping_accuracy + 1));
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src_y = s->mb_y * 16 + (motion_y >> (s->sprite_warping_accuracy + 1));
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motion_x *= 1 << (3 - s->sprite_warping_accuracy);
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motion_y *= 1 << (3 - s->sprite_warping_accuracy);
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src_x = av_clip(src_x, -16, s->width);
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if (src_x == s->width)
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motion_x = 0;
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src_y = av_clip(src_y, -16, s->height);
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if (src_y == s->height)
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motion_y = 0;
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linesize = s->linesize;
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uvlinesize = s->uvlinesize;
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ptr = ref_picture[0] + src_y * linesize + src_x;
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if ((unsigned)src_x >= FFMAX(s->h_edge_pos - 17, 0) ||
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(unsigned)src_y >= FFMAX(s->v_edge_pos - 17, 0)) {
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s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr,
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linesize, linesize,
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17, 17,
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src_x, src_y,
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s->h_edge_pos, s->v_edge_pos);
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ptr = s->sc.edge_emu_buffer;
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}
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if ((motion_x | motion_y) & 7) {
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s->mdsp.gmc1(dest_y, ptr, linesize, 16,
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motion_x & 15, motion_y & 15, 128 - s->no_rounding);
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s->mdsp.gmc1(dest_y + 8, ptr + 8, linesize, 16,
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motion_x & 15, motion_y & 15, 128 - s->no_rounding);
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} else {
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int dxy;
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dxy = ((motion_x >> 3) & 1) | ((motion_y >> 2) & 2);
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if (s->no_rounding) {
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s->hdsp.put_no_rnd_pixels_tab[0][dxy](dest_y, ptr, linesize, 16);
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} else {
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s->hdsp.put_pixels_tab[0][dxy](dest_y, ptr, linesize, 16);
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}
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}
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if (CONFIG_GRAY && s->avctx->flags & AV_CODEC_FLAG_GRAY)
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return;
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motion_x = s->sprite_offset[1][0];
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motion_y = s->sprite_offset[1][1];
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src_x = s->mb_x * 8 + (motion_x >> (s->sprite_warping_accuracy + 1));
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src_y = s->mb_y * 8 + (motion_y >> (s->sprite_warping_accuracy + 1));
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motion_x *= 1 << (3 - s->sprite_warping_accuracy);
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motion_y *= 1 << (3 - s->sprite_warping_accuracy);
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src_x = av_clip(src_x, -8, s->width >> 1);
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if (src_x == s->width >> 1)
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motion_x = 0;
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src_y = av_clip(src_y, -8, s->height >> 1);
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if (src_y == s->height >> 1)
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motion_y = 0;
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offset = (src_y * uvlinesize) + src_x;
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ptr = ref_picture[1] + offset;
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if ((unsigned)src_x >= FFMAX((s->h_edge_pos >> 1) - 9, 0) ||
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(unsigned)src_y >= FFMAX((s->v_edge_pos >> 1) - 9, 0)) {
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s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr,
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uvlinesize, uvlinesize,
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9, 9,
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src_x, src_y,
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s->h_edge_pos >> 1, s->v_edge_pos >> 1);
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ptr = s->sc.edge_emu_buffer;
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emu = 1;
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}
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s->mdsp.gmc1(dest_cb, ptr, uvlinesize, 8,
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motion_x & 15, motion_y & 15, 128 - s->no_rounding);
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ptr = ref_picture[2] + offset;
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if (emu) {
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s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr,
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uvlinesize, uvlinesize,
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9, 9,
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src_x, src_y,
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s->h_edge_pos >> 1, s->v_edge_pos >> 1);
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ptr = s->sc.edge_emu_buffer;
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}
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s->mdsp.gmc1(dest_cr, ptr, uvlinesize, 8,
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motion_x & 15, motion_y & 15, 128 - s->no_rounding);
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}
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static void gmc_motion(MpegEncContext *s,
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uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
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uint8_t **ref_picture)
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{
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uint8_t *ptr;
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int linesize, uvlinesize;
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const int a = s->sprite_warping_accuracy;
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int ox, oy;
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linesize = s->linesize;
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uvlinesize = s->uvlinesize;
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ptr = ref_picture[0];
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ox = s->sprite_offset[0][0] + s->sprite_delta[0][0] * s->mb_x * 16 +
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s->sprite_delta[0][1] * s->mb_y * 16;
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oy = s->sprite_offset[0][1] + s->sprite_delta[1][0] * s->mb_x * 16 +
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s->sprite_delta[1][1] * s->mb_y * 16;
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s->mdsp.gmc(dest_y, ptr, linesize, 16,
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ox, oy,
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s->sprite_delta[0][0], s->sprite_delta[0][1],
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s->sprite_delta[1][0], s->sprite_delta[1][1],
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a + 1, (1 << (2 * a + 1)) - s->no_rounding,
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s->h_edge_pos, s->v_edge_pos);
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s->mdsp.gmc(dest_y + 8, ptr, linesize, 16,
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ox + s->sprite_delta[0][0] * 8,
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oy + s->sprite_delta[1][0] * 8,
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s->sprite_delta[0][0], s->sprite_delta[0][1],
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s->sprite_delta[1][0], s->sprite_delta[1][1],
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a + 1, (1 << (2 * a + 1)) - s->no_rounding,
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s->h_edge_pos, s->v_edge_pos);
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if (CONFIG_GRAY && s->avctx->flags & AV_CODEC_FLAG_GRAY)
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return;
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ox = s->sprite_offset[1][0] + s->sprite_delta[0][0] * s->mb_x * 8 +
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s->sprite_delta[0][1] * s->mb_y * 8;
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oy = s->sprite_offset[1][1] + s->sprite_delta[1][0] * s->mb_x * 8 +
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s->sprite_delta[1][1] * s->mb_y * 8;
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ptr = ref_picture[1];
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s->mdsp.gmc(dest_cb, ptr, uvlinesize, 8,
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ox, oy,
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s->sprite_delta[0][0], s->sprite_delta[0][1],
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s->sprite_delta[1][0], s->sprite_delta[1][1],
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a + 1, (1 << (2 * a + 1)) - s->no_rounding,
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(s->h_edge_pos + 1) >> 1, (s->v_edge_pos + 1) >> 1);
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ptr = ref_picture[2];
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s->mdsp.gmc(dest_cr, ptr, uvlinesize, 8,
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ox, oy,
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s->sprite_delta[0][0], s->sprite_delta[0][1],
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s->sprite_delta[1][0], s->sprite_delta[1][1],
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a + 1, (1 << (2 * a + 1)) - s->no_rounding,
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(s->h_edge_pos + 1) >> 1, (s->v_edge_pos + 1) >> 1);
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}
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static inline int hpel_motion(MpegEncContext *s,
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uint8_t *dest, uint8_t *src,
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int src_x, int src_y,
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op_pixels_func *pix_op,
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int motion_x, int motion_y)
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{
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int dxy = 0;
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int emu = 0;
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src_x += motion_x >> 1;
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src_y += motion_y >> 1;
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/* WARNING: do no forget half pels */
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src_x = av_clip(src_x, -16, s->width); // FIXME unneeded for emu?
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if (src_x != s->width)
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dxy |= motion_x & 1;
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src_y = av_clip(src_y, -16, s->height);
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if (src_y != s->height)
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dxy |= (motion_y & 1) << 1;
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src += src_y * s->linesize + src_x;
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if ((unsigned)src_x >= FFMAX(s->h_edge_pos - (motion_x & 1) - 7, 0) ||
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(unsigned)src_y >= FFMAX(s->v_edge_pos - (motion_y & 1) - 7, 0)) {
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s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, src,
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s->linesize, s->linesize,
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9, 9,
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src_x, src_y,
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s->h_edge_pos, s->v_edge_pos);
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src = s->sc.edge_emu_buffer;
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emu = 1;
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}
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pix_op[dxy](dest, src, s->linesize, 8);
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return emu;
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}
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static av_always_inline
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void mpeg_motion_internal(MpegEncContext *s,
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uint8_t *dest_y,
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uint8_t *dest_cb,
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uint8_t *dest_cr,
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int field_based,
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int bottom_field,
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int field_select,
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uint8_t **ref_picture,
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op_pixels_func (*pix_op)[4],
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int motion_x,
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int motion_y,
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int h,
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int is_mpeg12,
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int is_16x8,
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int mb_y)
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{
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uint8_t *ptr_y, *ptr_cb, *ptr_cr;
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int dxy, uvdxy, mx, my, src_x, src_y,
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uvsrc_x, uvsrc_y, v_edge_pos, block_y_half;
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ptrdiff_t uvlinesize, linesize;
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v_edge_pos = s->v_edge_pos >> field_based;
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linesize = s->current_picture.f->linesize[0] << field_based;
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uvlinesize = s->current_picture.f->linesize[1] << field_based;
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block_y_half = (field_based | is_16x8);
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dxy = ((motion_y & 1) << 1) | (motion_x & 1);
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src_x = s->mb_x * 16 + (motion_x >> 1);
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src_y = (mb_y << (4 - block_y_half)) + (motion_y >> 1);
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if (!is_mpeg12 && s->out_format == FMT_H263) {
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if ((s->workaround_bugs & FF_BUG_HPEL_CHROMA) && field_based) {
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mx = (motion_x >> 1) | (motion_x & 1);
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my = motion_y >> 1;
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uvdxy = ((my & 1) << 1) | (mx & 1);
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uvsrc_x = s->mb_x * 8 + (mx >> 1);
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uvsrc_y = (mb_y << (3 - block_y_half)) + (my >> 1);
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} else {
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uvdxy = dxy | (motion_y & 2) | ((motion_x & 2) >> 1);
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uvsrc_x = src_x >> 1;
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uvsrc_y = src_y >> 1;
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}
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// Even chroma mv's are full pel in H261
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} else if (!is_mpeg12 && s->out_format == FMT_H261) {
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mx = motion_x / 4;
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my = motion_y / 4;
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uvdxy = 0;
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uvsrc_x = s->mb_x * 8 + mx;
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uvsrc_y = mb_y * 8 + my;
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} else {
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if (s->chroma_y_shift) {
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mx = motion_x / 2;
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my = motion_y / 2;
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uvdxy = ((my & 1) << 1) | (mx & 1);
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uvsrc_x = s->mb_x * 8 + (mx >> 1);
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uvsrc_y = (mb_y << (3 - block_y_half)) + (my >> 1);
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} else {
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if (s->chroma_x_shift) {
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// Chroma422
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mx = motion_x / 2;
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uvdxy = ((motion_y & 1) << 1) | (mx & 1);
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uvsrc_x = s->mb_x * 8 + (mx >> 1);
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uvsrc_y = src_y;
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} else {
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// Chroma444
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uvdxy = dxy;
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uvsrc_x = src_x;
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uvsrc_y = src_y;
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}
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}
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}
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ptr_y = ref_picture[0] + src_y * linesize + src_x;
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ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
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ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
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if ((unsigned)src_x >= FFMAX(s->h_edge_pos - (motion_x & 1) - 15 , 0) ||
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(unsigned)src_y >= FFMAX( v_edge_pos - (motion_y & 1) - h + 1, 0)) {
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if (is_mpeg12 || (CONFIG_SMALL &&
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(s->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
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s->codec_id == AV_CODEC_ID_MPEG1VIDEO))) {
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av_log(s->avctx, AV_LOG_DEBUG,
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"MPEG motion vector out of boundary (%d %d)\n", src_x,
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src_y);
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return;
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}
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src_y = (unsigned)src_y << field_based;
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s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr_y,
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s->linesize, s->linesize,
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17, 17 + field_based,
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src_x, src_y,
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s->h_edge_pos, s->v_edge_pos);
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ptr_y = s->sc.edge_emu_buffer;
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if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
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uint8_t *ubuf = s->sc.edge_emu_buffer + 18 * s->linesize;
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uint8_t *vbuf = ubuf + 10 * s->uvlinesize;
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if (s->workaround_bugs & FF_BUG_IEDGE)
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vbuf -= s->uvlinesize;
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uvsrc_y = (unsigned)uvsrc_y << field_based;
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s->vdsp.emulated_edge_mc(ubuf, ptr_cb,
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s->uvlinesize, s->uvlinesize,
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9, 9 + field_based,
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uvsrc_x, uvsrc_y,
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s->h_edge_pos >> 1, s->v_edge_pos >> 1);
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s->vdsp.emulated_edge_mc(vbuf, ptr_cr,
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s->uvlinesize, s->uvlinesize,
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9, 9 + field_based,
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uvsrc_x, uvsrc_y,
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s->h_edge_pos >> 1, s->v_edge_pos >> 1);
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ptr_cb = ubuf;
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ptr_cr = vbuf;
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}
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}
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/* FIXME use this for field pix too instead of the obnoxious hack which
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* changes picture.data */
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if (bottom_field) {
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dest_y += s->linesize;
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dest_cb += s->uvlinesize;
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dest_cr += s->uvlinesize;
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}
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if (field_select) {
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ptr_y += s->linesize;
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ptr_cb += s->uvlinesize;
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ptr_cr += s->uvlinesize;
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}
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pix_op[0][dxy](dest_y, ptr_y, linesize, h);
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if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
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pix_op[s->chroma_x_shift][uvdxy]
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(dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift);
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pix_op[s->chroma_x_shift][uvdxy]
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(dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift);
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}
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if (!is_mpeg12 && (CONFIG_H261_ENCODER || CONFIG_H261_DECODER) &&
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s->out_format == FMT_H261) {
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ff_h261_loop_filter(s);
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}
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}
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/* apply one mpeg motion vector to the three components */
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static void mpeg_motion(MpegEncContext *s,
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uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
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int field_select, uint8_t **ref_picture,
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op_pixels_func (*pix_op)[4],
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int motion_x, int motion_y, int h, int is_16x8, int mb_y)
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{
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#if !CONFIG_SMALL
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if (s->out_format == FMT_MPEG1)
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mpeg_motion_internal(s, dest_y, dest_cb, dest_cr, 0, 0,
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field_select, ref_picture, pix_op,
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motion_x, motion_y, h, 1, is_16x8, mb_y);
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else
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#endif
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mpeg_motion_internal(s, dest_y, dest_cb, dest_cr, 0, 0,
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field_select, ref_picture, pix_op,
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motion_x, motion_y, h, 0, is_16x8, mb_y);
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}
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static void mpeg_motion_field(MpegEncContext *s, uint8_t *dest_y,
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uint8_t *dest_cb, uint8_t *dest_cr,
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int bottom_field, int field_select,
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uint8_t **ref_picture,
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op_pixels_func (*pix_op)[4],
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int motion_x, int motion_y, int h, int mb_y)
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{
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#if !CONFIG_SMALL
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if (s->out_format == FMT_MPEG1)
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mpeg_motion_internal(s, dest_y, dest_cb, dest_cr, 1,
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bottom_field, field_select, ref_picture, pix_op,
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motion_x, motion_y, h, 1, 0, mb_y);
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else
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#endif
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mpeg_motion_internal(s, dest_y, dest_cb, dest_cr, 1,
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bottom_field, field_select, ref_picture, pix_op,
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motion_x, motion_y, h, 0, 0, mb_y);
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}
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// FIXME: SIMDify, avg variant, 16x16 version
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static inline void put_obmc(uint8_t *dst, uint8_t *src[5], int stride)
|
|
{
|
|
int x;
|
|
uint8_t *const top = src[1];
|
|
uint8_t *const left = src[2];
|
|
uint8_t *const mid = src[0];
|
|
uint8_t *const right = src[3];
|
|
uint8_t *const bottom = src[4];
|
|
#define OBMC_FILTER(x, t, l, m, r, b)\
|
|
dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3
|
|
#define OBMC_FILTER4(x, t, l, m, r, b)\
|
|
OBMC_FILTER(x , t, l, m, r, b);\
|
|
OBMC_FILTER(x+1 , t, l, m, r, b);\
|
|
OBMC_FILTER(x +stride, t, l, m, r, b);\
|
|
OBMC_FILTER(x+1+stride, t, l, m, r, b);
|
|
|
|
x = 0;
|
|
OBMC_FILTER (x , 2, 2, 4, 0, 0);
|
|
OBMC_FILTER (x + 1, 2, 1, 5, 0, 0);
|
|
OBMC_FILTER4(x + 2, 2, 1, 5, 0, 0);
|
|
OBMC_FILTER4(x + 4, 2, 0, 5, 1, 0);
|
|
OBMC_FILTER (x + 6, 2, 0, 5, 1, 0);
|
|
OBMC_FILTER (x + 7, 2, 0, 4, 2, 0);
|
|
x += stride;
|
|
OBMC_FILTER (x , 1, 2, 5, 0, 0);
|
|
OBMC_FILTER (x + 1, 1, 2, 5, 0, 0);
|
|
OBMC_FILTER (x + 6, 1, 0, 5, 2, 0);
|
|
OBMC_FILTER (x + 7, 1, 0, 5, 2, 0);
|
|
x += stride;
|
|
OBMC_FILTER4(x , 1, 2, 5, 0, 0);
|
|
OBMC_FILTER4(x + 2, 1, 1, 6, 0, 0);
|
|
OBMC_FILTER4(x + 4, 1, 0, 6, 1, 0);
|
|
OBMC_FILTER4(x + 6, 1, 0, 5, 2, 0);
|
|
x += 2 * stride;
|
|
OBMC_FILTER4(x , 0, 2, 5, 0, 1);
|
|
OBMC_FILTER4(x + 2, 0, 1, 6, 0, 1);
|
|
OBMC_FILTER4(x + 4, 0, 0, 6, 1, 1);
|
|
OBMC_FILTER4(x + 6, 0, 0, 5, 2, 1);
|
|
x += 2*stride;
|
|
OBMC_FILTER (x , 0, 2, 5, 0, 1);
|
|
OBMC_FILTER (x + 1, 0, 2, 5, 0, 1);
|
|
OBMC_FILTER4(x + 2, 0, 1, 5, 0, 2);
|
|
OBMC_FILTER4(x + 4, 0, 0, 5, 1, 2);
|
|
OBMC_FILTER (x + 6, 0, 0, 5, 2, 1);
|
|
OBMC_FILTER (x + 7, 0, 0, 5, 2, 1);
|
|
x += stride;
|
|
OBMC_FILTER (x , 0, 2, 4, 0, 2);
|
|
OBMC_FILTER (x + 1, 0, 1, 5, 0, 2);
|
|
OBMC_FILTER (x + 6, 0, 0, 5, 1, 2);
|
|
OBMC_FILTER (x + 7, 0, 0, 4, 2, 2);
|
|
}
|
|
|
|
/* obmc for 1 8x8 luma block */
|
|
static inline void obmc_motion(MpegEncContext *s,
|
|
uint8_t *dest, uint8_t *src,
|
|
int src_x, int src_y,
|
|
op_pixels_func *pix_op,
|
|
int16_t mv[5][2] /* mid top left right bottom */)
|
|
#define MID 0
|
|
{
|
|
int i;
|
|
uint8_t *ptr[5];
|
|
|
|
av_assert2(s->quarter_sample == 0);
|
|
|
|
for (i = 0; i < 5; i++) {
|
|
if (i && mv[i][0] == mv[MID][0] && mv[i][1] == mv[MID][1]) {
|
|
ptr[i] = ptr[MID];
|
|
} else {
|
|
ptr[i] = s->sc.obmc_scratchpad + 8 * (i & 1) +
|
|
s->linesize * 8 * (i >> 1);
|
|
hpel_motion(s, ptr[i], src, src_x, src_y, pix_op,
|
|
mv[i][0], mv[i][1]);
|
|
}
|
|
}
|
|
|
|
put_obmc(dest, ptr, s->linesize);
|
|
}
|
|
|
|
static inline void qpel_motion(MpegEncContext *s,
|
|
uint8_t *dest_y,
|
|
uint8_t *dest_cb,
|
|
uint8_t *dest_cr,
|
|
int field_based, int bottom_field,
|
|
int field_select, uint8_t **ref_picture,
|
|
op_pixels_func (*pix_op)[4],
|
|
qpel_mc_func (*qpix_op)[16],
|
|
int motion_x, int motion_y, int h)
|
|
{
|
|
uint8_t *ptr_y, *ptr_cb, *ptr_cr;
|
|
int dxy, uvdxy, mx, my, src_x, src_y, uvsrc_x, uvsrc_y, v_edge_pos;
|
|
ptrdiff_t linesize, uvlinesize;
|
|
|
|
dxy = ((motion_y & 3) << 2) | (motion_x & 3);
|
|
|
|
src_x = s->mb_x * 16 + (motion_x >> 2);
|
|
src_y = s->mb_y * (16 >> field_based) + (motion_y >> 2);
|
|
|
|
v_edge_pos = s->v_edge_pos >> field_based;
|
|
linesize = s->linesize << field_based;
|
|
uvlinesize = s->uvlinesize << field_based;
|
|
|
|
if (field_based) {
|
|
mx = motion_x / 2;
|
|
my = motion_y >> 1;
|
|
} else if (s->workaround_bugs & FF_BUG_QPEL_CHROMA2) {
|
|
static const int rtab[8] = { 0, 0, 1, 1, 0, 0, 0, 1 };
|
|
mx = (motion_x >> 1) + rtab[motion_x & 7];
|
|
my = (motion_y >> 1) + rtab[motion_y & 7];
|
|
} else if (s->workaround_bugs & FF_BUG_QPEL_CHROMA) {
|
|
mx = (motion_x >> 1) | (motion_x & 1);
|
|
my = (motion_y >> 1) | (motion_y & 1);
|
|
} else {
|
|
mx = motion_x / 2;
|
|
my = motion_y / 2;
|
|
}
|
|
mx = (mx >> 1) | (mx & 1);
|
|
my = (my >> 1) | (my & 1);
|
|
|
|
uvdxy = (mx & 1) | ((my & 1) << 1);
|
|
mx >>= 1;
|
|
my >>= 1;
|
|
|
|
uvsrc_x = s->mb_x * 8 + mx;
|
|
uvsrc_y = s->mb_y * (8 >> field_based) + my;
|
|
|
|
ptr_y = ref_picture[0] + src_y * linesize + src_x;
|
|
ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
|
|
ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
|
|
|
|
if ((unsigned)src_x >= FFMAX(s->h_edge_pos - (motion_x & 3) - 15 , 0) ||
|
|
(unsigned)src_y >= FFMAX( v_edge_pos - (motion_y & 3) - h + 1, 0)) {
|
|
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr_y,
|
|
s->linesize, s->linesize,
|
|
17, 17 + field_based,
|
|
src_x, src_y * (1 << field_based),
|
|
s->h_edge_pos, s->v_edge_pos);
|
|
ptr_y = s->sc.edge_emu_buffer;
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
|
|
uint8_t *ubuf = s->sc.edge_emu_buffer + 18 * s->linesize;
|
|
uint8_t *vbuf = ubuf + 10 * s->uvlinesize;
|
|
if (s->workaround_bugs & FF_BUG_IEDGE)
|
|
vbuf -= s->uvlinesize;
|
|
s->vdsp.emulated_edge_mc(ubuf, ptr_cb,
|
|
s->uvlinesize, s->uvlinesize,
|
|
9, 9 + field_based,
|
|
uvsrc_x, uvsrc_y * (1 << field_based),
|
|
s->h_edge_pos >> 1, s->v_edge_pos >> 1);
|
|
s->vdsp.emulated_edge_mc(vbuf, ptr_cr,
|
|
s->uvlinesize, s->uvlinesize,
|
|
9, 9 + field_based,
|
|
uvsrc_x, uvsrc_y * (1 << field_based),
|
|
s->h_edge_pos >> 1, s->v_edge_pos >> 1);
|
|
ptr_cb = ubuf;
|
|
ptr_cr = vbuf;
|
|
}
|
|
}
|
|
|
|
if (!field_based)
|
|
qpix_op[0][dxy](dest_y, ptr_y, linesize);
|
|
else {
|
|
if (bottom_field) {
|
|
dest_y += s->linesize;
|
|
dest_cb += s->uvlinesize;
|
|
dest_cr += s->uvlinesize;
|
|
}
|
|
|
|
if (field_select) {
|
|
ptr_y += s->linesize;
|
|
ptr_cb += s->uvlinesize;
|
|
ptr_cr += s->uvlinesize;
|
|
}
|
|
// damn interlaced mode
|
|
// FIXME boundary mirroring is not exactly correct here
|
|
qpix_op[1][dxy](dest_y, ptr_y, linesize);
|
|
qpix_op[1][dxy](dest_y + 8, ptr_y + 8, linesize);
|
|
}
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
|
|
pix_op[1][uvdxy](dest_cr, ptr_cr, uvlinesize, h >> 1);
|
|
pix_op[1][uvdxy](dest_cb, ptr_cb, uvlinesize, h >> 1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* H.263 chroma 4mv motion compensation.
|
|
*/
|
|
static void chroma_4mv_motion(MpegEncContext *s,
|
|
uint8_t *dest_cb, uint8_t *dest_cr,
|
|
uint8_t **ref_picture,
|
|
op_pixels_func *pix_op,
|
|
int mx, int my)
|
|
{
|
|
uint8_t *ptr;
|
|
int src_x, src_y, dxy, emu = 0;
|
|
ptrdiff_t offset;
|
|
|
|
/* In case of 8X8, we construct a single chroma motion vector
|
|
* with a special rounding */
|
|
mx = ff_h263_round_chroma(mx);
|
|
my = ff_h263_round_chroma(my);
|
|
|
|
dxy = ((my & 1) << 1) | (mx & 1);
|
|
mx >>= 1;
|
|
my >>= 1;
|
|
|
|
src_x = s->mb_x * 8 + mx;
|
|
src_y = s->mb_y * 8 + my;
|
|
src_x = av_clip(src_x, -8, (s->width >> 1));
|
|
if (src_x == (s->width >> 1))
|
|
dxy &= ~1;
|
|
src_y = av_clip(src_y, -8, (s->height >> 1));
|
|
if (src_y == (s->height >> 1))
|
|
dxy &= ~2;
|
|
|
|
offset = src_y * s->uvlinesize + src_x;
|
|
ptr = ref_picture[1] + offset;
|
|
if ((unsigned)src_x >= FFMAX((s->h_edge_pos >> 1) - (dxy & 1) - 7, 0) ||
|
|
(unsigned)src_y >= FFMAX((s->v_edge_pos >> 1) - (dxy >> 1) - 7, 0)) {
|
|
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr,
|
|
s->uvlinesize, s->uvlinesize,
|
|
9, 9, src_x, src_y,
|
|
s->h_edge_pos >> 1, s->v_edge_pos >> 1);
|
|
ptr = s->sc.edge_emu_buffer;
|
|
emu = 1;
|
|
}
|
|
pix_op[dxy](dest_cb, ptr, s->uvlinesize, 8);
|
|
|
|
ptr = ref_picture[2] + offset;
|
|
if (emu) {
|
|
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr,
|
|
s->uvlinesize, s->uvlinesize,
|
|
9, 9, src_x, src_y,
|
|
s->h_edge_pos >> 1, s->v_edge_pos >> 1);
|
|
ptr = s->sc.edge_emu_buffer;
|
|
}
|
|
pix_op[dxy](dest_cr, ptr, s->uvlinesize, 8);
|
|
}
|
|
|
|
static inline void prefetch_motion(MpegEncContext *s, uint8_t **pix, int dir)
|
|
{
|
|
/* fetch pixels for estimated mv 4 macroblocks ahead
|
|
* optimized for 64byte cache lines */
|
|
const int shift = s->quarter_sample ? 2 : 1;
|
|
const int mx = (s->mv[dir][0][0] >> shift) + 16 * s->mb_x + 8;
|
|
const int my = (s->mv[dir][0][1] >> shift) + 16 * s->mb_y;
|
|
int off = mx + (my + (s->mb_x & 3) * 4) * s->linesize + 64;
|
|
|
|
s->vdsp.prefetch(pix[0] + off, s->linesize, 4);
|
|
off = (mx >> 1) + ((my >> 1) + (s->mb_x & 7)) * s->uvlinesize + 64;
|
|
s->vdsp.prefetch(pix[1] + off, pix[2] - pix[1], 2);
|
|
}
|
|
|
|
static inline void apply_obmc(MpegEncContext *s,
|
|
uint8_t *dest_y,
|
|
uint8_t *dest_cb,
|
|
uint8_t *dest_cr,
|
|
uint8_t **ref_picture,
|
|
op_pixels_func (*pix_op)[4])
|
|
{
|
|
LOCAL_ALIGNED_8(int16_t, mv_cache, [4], [4][2]);
|
|
Picture *cur_frame = &s->current_picture;
|
|
int mb_x = s->mb_x;
|
|
int mb_y = s->mb_y;
|
|
const int xy = mb_x + mb_y * s->mb_stride;
|
|
const int mot_stride = s->b8_stride;
|
|
const int mot_xy = mb_x * 2 + mb_y * 2 * mot_stride;
|
|
int mx, my, i;
|
|
|
|
av_assert2(!s->mb_skipped);
|
|
|
|
AV_COPY32(mv_cache[1][1], cur_frame->motion_val[0][mot_xy]);
|
|
AV_COPY32(mv_cache[1][2], cur_frame->motion_val[0][mot_xy + 1]);
|
|
|
|
AV_COPY32(mv_cache[2][1],
|
|
cur_frame->motion_val[0][mot_xy + mot_stride]);
|
|
AV_COPY32(mv_cache[2][2],
|
|
cur_frame->motion_val[0][mot_xy + mot_stride + 1]);
|
|
|
|
AV_COPY32(mv_cache[3][1],
|
|
cur_frame->motion_val[0][mot_xy + mot_stride]);
|
|
AV_COPY32(mv_cache[3][2],
|
|
cur_frame->motion_val[0][mot_xy + mot_stride + 1]);
|
|
|
|
if (mb_y == 0 || IS_INTRA(cur_frame->mb_type[xy - s->mb_stride])) {
|
|
AV_COPY32(mv_cache[0][1], mv_cache[1][1]);
|
|
AV_COPY32(mv_cache[0][2], mv_cache[1][2]);
|
|
} else {
|
|
AV_COPY32(mv_cache[0][1],
|
|
cur_frame->motion_val[0][mot_xy - mot_stride]);
|
|
AV_COPY32(mv_cache[0][2],
|
|
cur_frame->motion_val[0][mot_xy - mot_stride + 1]);
|
|
}
|
|
|
|
if (mb_x == 0 || IS_INTRA(cur_frame->mb_type[xy - 1])) {
|
|
AV_COPY32(mv_cache[1][0], mv_cache[1][1]);
|
|
AV_COPY32(mv_cache[2][0], mv_cache[2][1]);
|
|
} else {
|
|
AV_COPY32(mv_cache[1][0], cur_frame->motion_val[0][mot_xy - 1]);
|
|
AV_COPY32(mv_cache[2][0],
|
|
cur_frame->motion_val[0][mot_xy - 1 + mot_stride]);
|
|
}
|
|
|
|
if (mb_x + 1 >= s->mb_width || IS_INTRA(cur_frame->mb_type[xy + 1])) {
|
|
AV_COPY32(mv_cache[1][3], mv_cache[1][2]);
|
|
AV_COPY32(mv_cache[2][3], mv_cache[2][2]);
|
|
} else {
|
|
AV_COPY32(mv_cache[1][3], cur_frame->motion_val[0][mot_xy + 2]);
|
|
AV_COPY32(mv_cache[2][3],
|
|
cur_frame->motion_val[0][mot_xy + 2 + mot_stride]);
|
|
}
|
|
|
|
mx = 0;
|
|
my = 0;
|
|
for (i = 0; i < 4; i++) {
|
|
const int x = (i & 1) + 1;
|
|
const int y = (i >> 1) + 1;
|
|
int16_t mv[5][2] = {
|
|
{ mv_cache[y][x][0], mv_cache[y][x][1] },
|
|
{ mv_cache[y - 1][x][0], mv_cache[y - 1][x][1] },
|
|
{ mv_cache[y][x - 1][0], mv_cache[y][x - 1][1] },
|
|
{ mv_cache[y][x + 1][0], mv_cache[y][x + 1][1] },
|
|
{ mv_cache[y + 1][x][0], mv_cache[y + 1][x][1] }
|
|
};
|
|
// FIXME cleanup
|
|
obmc_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
|
|
ref_picture[0],
|
|
mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >> 1) * 8,
|
|
pix_op[1],
|
|
mv);
|
|
|
|
mx += mv[0][0];
|
|
my += mv[0][1];
|
|
}
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY))
|
|
chroma_4mv_motion(s, dest_cb, dest_cr,
|
|
ref_picture, pix_op[1],
|
|
mx, my);
|
|
}
|
|
|
|
static inline void apply_8x8(MpegEncContext *s,
|
|
uint8_t *dest_y,
|
|
uint8_t *dest_cb,
|
|
uint8_t *dest_cr,
|
|
int dir,
|
|
uint8_t **ref_picture,
|
|
qpel_mc_func (*qpix_op)[16],
|
|
op_pixels_func (*pix_op)[4])
|
|
{
|
|
int dxy, mx, my, src_x, src_y;
|
|
int i;
|
|
int mb_x = s->mb_x;
|
|
int mb_y = s->mb_y;
|
|
uint8_t *ptr, *dest;
|
|
|
|
mx = 0;
|
|
my = 0;
|
|
if (s->quarter_sample) {
|
|
for (i = 0; i < 4; i++) {
|
|
int motion_x = s->mv[dir][i][0];
|
|
int motion_y = s->mv[dir][i][1];
|
|
|
|
dxy = ((motion_y & 3) << 2) | (motion_x & 3);
|
|
src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8;
|
|
src_y = mb_y * 16 + (motion_y >> 2) + (i >> 1) * 8;
|
|
|
|
/* WARNING: do no forget half pels */
|
|
src_x = av_clip(src_x, -16, s->width);
|
|
if (src_x == s->width)
|
|
dxy &= ~3;
|
|
src_y = av_clip(src_y, -16, s->height);
|
|
if (src_y == s->height)
|
|
dxy &= ~12;
|
|
|
|
ptr = ref_picture[0] + (src_y * s->linesize) + (src_x);
|
|
if ((unsigned)src_x >= FFMAX(s->h_edge_pos - (motion_x & 3) - 7, 0) ||
|
|
(unsigned)src_y >= FFMAX(s->v_edge_pos - (motion_y & 3) - 7, 0)) {
|
|
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr,
|
|
s->linesize, s->linesize,
|
|
9, 9,
|
|
src_x, src_y,
|
|
s->h_edge_pos,
|
|
s->v_edge_pos);
|
|
ptr = s->sc.edge_emu_buffer;
|
|
}
|
|
dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize;
|
|
qpix_op[1][dxy](dest, ptr, s->linesize);
|
|
|
|
mx += s->mv[dir][i][0] / 2;
|
|
my += s->mv[dir][i][1] / 2;
|
|
}
|
|
} else {
|
|
for (i = 0; i < 4; i++) {
|
|
hpel_motion(s,
|
|
dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
|
|
ref_picture[0],
|
|
mb_x * 16 + (i & 1) * 8,
|
|
mb_y * 16 + (i >> 1) * 8,
|
|
pix_op[1],
|
|
s->mv[dir][i][0],
|
|
s->mv[dir][i][1]);
|
|
|
|
mx += s->mv[dir][i][0];
|
|
my += s->mv[dir][i][1];
|
|
}
|
|
}
|
|
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY))
|
|
chroma_4mv_motion(s, dest_cb, dest_cr,
|
|
ref_picture, pix_op[1], mx, my);
|
|
}
|
|
|
|
/**
|
|
* motion compensation of a single macroblock
|
|
* @param s context
|
|
* @param dest_y luma destination pointer
|
|
* @param dest_cb chroma cb/u destination pointer
|
|
* @param dest_cr chroma cr/v destination pointer
|
|
* @param dir direction (0->forward, 1->backward)
|
|
* @param ref_picture array[3] of pointers to the 3 planes of the reference picture
|
|
* @param pix_op halfpel motion compensation function (average or put normally)
|
|
* @param qpix_op qpel motion compensation function (average or put normally)
|
|
* the motion vectors are taken from s->mv and the MV type from s->mv_type
|
|
*/
|
|
static av_always_inline void mpv_motion_internal(MpegEncContext *s,
|
|
uint8_t *dest_y,
|
|
uint8_t *dest_cb,
|
|
uint8_t *dest_cr,
|
|
int dir,
|
|
uint8_t **ref_picture,
|
|
op_pixels_func (*pix_op)[4],
|
|
qpel_mc_func (*qpix_op)[16],
|
|
int is_mpeg12)
|
|
{
|
|
int i;
|
|
int mb_y = s->mb_y;
|
|
|
|
prefetch_motion(s, ref_picture, dir);
|
|
|
|
if (!is_mpeg12 && s->obmc && s->pict_type != AV_PICTURE_TYPE_B) {
|
|
apply_obmc(s, dest_y, dest_cb, dest_cr, ref_picture, pix_op);
|
|
return;
|
|
}
|
|
|
|
switch (s->mv_type) {
|
|
case MV_TYPE_16X16:
|
|
if (!is_mpeg12 && s->mcsel) {
|
|
if (s->real_sprite_warping_points == 1) {
|
|
gmc1_motion(s, dest_y, dest_cb, dest_cr,
|
|
ref_picture);
|
|
} else {
|
|
gmc_motion(s, dest_y, dest_cb, dest_cr,
|
|
ref_picture);
|
|
}
|
|
} else if (!is_mpeg12 && s->quarter_sample) {
|
|
qpel_motion(s, dest_y, dest_cb, dest_cr,
|
|
0, 0, 0,
|
|
ref_picture, pix_op, qpix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 16);
|
|
} else if (!is_mpeg12 && (CONFIG_WMV2_DECODER || CONFIG_WMV2_ENCODER) &&
|
|
s->mspel && s->codec_id == AV_CODEC_ID_WMV2) {
|
|
ff_mspel_motion(s, dest_y, dest_cb, dest_cr,
|
|
ref_picture, pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 16);
|
|
} else {
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
|
|
ref_picture, pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 16, 0, mb_y);
|
|
}
|
|
break;
|
|
case MV_TYPE_8X8:
|
|
if (!is_mpeg12)
|
|
apply_8x8(s, dest_y, dest_cb, dest_cr,
|
|
dir, ref_picture, qpix_op, pix_op);
|
|
break;
|
|
case MV_TYPE_FIELD:
|
|
if (s->picture_structure == PICT_FRAME) {
|
|
if (!is_mpeg12 && s->quarter_sample) {
|
|
for (i = 0; i < 2; i++)
|
|
qpel_motion(s, dest_y, dest_cb, dest_cr,
|
|
1, i, s->field_select[dir][i],
|
|
ref_picture, pix_op, qpix_op,
|
|
s->mv[dir][i][0], s->mv[dir][i][1], 8);
|
|
} else {
|
|
/* top field */
|
|
mpeg_motion_field(s, dest_y, dest_cb, dest_cr,
|
|
0, s->field_select[dir][0],
|
|
ref_picture, pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 8, mb_y);
|
|
/* bottom field */
|
|
mpeg_motion_field(s, dest_y, dest_cb, dest_cr,
|
|
1, s->field_select[dir][1],
|
|
ref_picture, pix_op,
|
|
s->mv[dir][1][0], s->mv[dir][1][1], 8, mb_y);
|
|
}
|
|
} else {
|
|
if ( s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != AV_PICTURE_TYPE_B && !s->first_field
|
|
|| !ref_picture[0]) {
|
|
ref_picture = s->current_picture_ptr->f->data;
|
|
}
|
|
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr,
|
|
s->field_select[dir][0],
|
|
ref_picture, pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1], 16, 0, mb_y >> 1);
|
|
}
|
|
break;
|
|
case MV_TYPE_16X8:
|
|
if (CONFIG_SMALL || is_mpeg12) {
|
|
for (i = 0; i < 2; i++) {
|
|
uint8_t **ref2picture;
|
|
|
|
if ((s->picture_structure == s->field_select[dir][i] + 1 ||
|
|
s->pict_type == AV_PICTURE_TYPE_B || s->first_field) &&
|
|
ref_picture[0]) {
|
|
ref2picture = ref_picture;
|
|
} else {
|
|
ref2picture = s->current_picture_ptr->f->data;
|
|
}
|
|
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr,
|
|
s->field_select[dir][i],
|
|
ref2picture, pix_op,
|
|
s->mv[dir][i][0], s->mv[dir][i][1],
|
|
8, 1, (mb_y & ~1) + i);
|
|
|
|
dest_y += 16 * s->linesize;
|
|
dest_cb += (16 >> s->chroma_y_shift) * s->uvlinesize;
|
|
dest_cr += (16 >> s->chroma_y_shift) * s->uvlinesize;
|
|
}
|
|
break;
|
|
}
|
|
case MV_TYPE_DMV:
|
|
if (CONFIG_SMALL || is_mpeg12) {
|
|
if (s->picture_structure == PICT_FRAME) {
|
|
for (i = 0; i < 2; i++) {
|
|
for (int j = 0; j < 2; j++)
|
|
mpeg_motion_field(s, dest_y, dest_cb, dest_cr,
|
|
j, j ^ i, ref_picture, pix_op,
|
|
s->mv[dir][2 * i + j][0],
|
|
s->mv[dir][2 * i + j][1], 8, mb_y);
|
|
pix_op = s->hdsp.avg_pixels_tab;
|
|
}
|
|
} else {
|
|
if (!ref_picture[0]) {
|
|
ref_picture = s->current_picture_ptr->f->data;
|
|
}
|
|
for (i = 0; i < 2; i++) {
|
|
mpeg_motion(s, dest_y, dest_cb, dest_cr,
|
|
s->picture_structure != i + 1,
|
|
ref_picture, pix_op,
|
|
s->mv[dir][2 * i][0], s->mv[dir][2 * i][1],
|
|
16, 0, mb_y >> 1);
|
|
|
|
// after put we make avg of the same block
|
|
pix_op = s->hdsp.avg_pixels_tab;
|
|
|
|
/* opposite parity is always in the same frame if this is
|
|
* second field */
|
|
if (!s->first_field)
|
|
ref_picture = s->current_picture_ptr->f->data;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default: av_assert2(0);
|
|
}
|
|
}
|
|
|
|
void ff_mpv_motion(MpegEncContext *s,
|
|
uint8_t *dest_y, uint8_t *dest_cb,
|
|
uint8_t *dest_cr, int dir,
|
|
uint8_t **ref_picture,
|
|
op_pixels_func (*pix_op)[4],
|
|
qpel_mc_func (*qpix_op)[16])
|
|
{
|
|
#if !CONFIG_SMALL
|
|
if (s->out_format == FMT_MPEG1)
|
|
mpv_motion_internal(s, dest_y, dest_cb, dest_cr, dir,
|
|
ref_picture, pix_op, qpix_op, 1);
|
|
else
|
|
#endif
|
|
mpv_motion_internal(s, dest_y, dest_cb, dest_cr, dir,
|
|
ref_picture, pix_op, qpix_op, 0);
|
|
}
|