/*
* VP9 compatible video decoder
*
* Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
* Copyright (C) 2013 Clément Bœsch <u pkh me>
*
* 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
*/
#define ROUNDED_DIV_MVx2(a, b) \
(VP56mv) { .x = ROUNDED_DIV(a.x + b.x, 2), .y = ROUNDED_DIV(a.y + b.y, 2) }
#define ROUNDED_DIV_MVx4(a, b, c, d) \
(VP56mv) { .x = ROUNDED_DIV(a.x + b.x + c.x + d.x, 4), \
.y = ROUNDED_DIV(a.y + b.y + c.y + d.y, 4) }
static void FN(inter_pred)(VP9TileData *td)
{
static const uint8_t bwlog_tab[2][N_BS_SIZES] = {
{ 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 },
{ 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4 },
};
VP9Context *s = td->s;
VP9Block *b = td->b;
int row = td->row, col = td->col;
ThreadFrame *tref1 = &s->s.refs[s->s.h.refidx[b->ref[0]]], *tref2;
AVFrame *ref1 = tref1->f, *ref2;
int w1 = ref1->width, h1 = ref1->height, w2, h2;
ptrdiff_t ls_y = td->y_stride, ls_uv = td->uv_stride;
int bytesperpixel = BYTES_PER_PIXEL;
if (b->comp) {
tref2 = &s->s.refs[s->s.h.refidx[b->ref[1]]];
ref2 = tref2->f;
w2 = ref2->width;
h2 = ref2->height;
}
// y inter pred
if (b->bs > BS_8x8) {
VP56mv uvmv;
#if SCALED == 0
if (b->bs == BS_8x4) {
mc_luma_dir(td, mc[3][b->filter][0], td->dst[0], ls_y,
ref1->data[0], ref1->linesize[0], tref1,
row << 3, col << 3, &b->mv[0][0],,,,, 8, 4, w1, h1, 0);
mc_luma_dir(td, mc[3][b->filter][0],
td->dst[0] + 4 * ls_y, ls_y,
ref1->data[0], ref1->linesize[0], tref1,
(row << 3) + 4, col << 3, &b->mv[2][0],,,,, 8, 4, w1, h1, 0);
w1 = (w1 + s->ss_h) >> s->ss_h;
if (s->ss_v) {
h1 = (h1 + 1) >> 1;
uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[2][0]);
mc_chroma_dir(td, mc[3 + s->ss_h][b->filter][0],
td->dst[1], td->dst[2], ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
row << 2, col << (3 - s->ss_h),
&uvmv,,,,, 8 >> s->ss_h, 4, w1, h1, 0);
} else {
mc_chroma_dir(td, mc[3 + s->ss_h][b->filter][0],
td->dst[1], td->dst[2], ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
row << 3, col << (3 - s->ss_h),
&b->mv[0][0],,,,, 8 >> s->ss_h, 4, w1, h1, 0);
// BUG for 4:2:2 bs=8x4, libvpx uses the wrong block index
// to get the motion vector for the bottom 4x4 block
// https://code.google.com/p/webm/issues/detail?id=993
if (s->ss_h == 0) {
uvmv = b->mv[2][0];
} else {
uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[2][0]);
}
mc_chroma_dir(td, mc[3 + s->ss_h][b->filter][0],
td->dst[1] + 4 * ls_uv, td->dst[2] + 4 * ls_uv, ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
(row << 3) + 4, col << (3 - s->ss_h),
&uvmv,,,,, 8 >> s->ss_h, 4, w1, h1, 0);
}
if (b->comp) {
mc_luma_dir(td, mc[3][b->filter][1], td->dst[0], ls_y,
ref2->data[0], ref2->linesize[0], tref2,
row << 3, col << 3, &b->mv[0][1],,,,, 8, 4, w2, h2, 1);
mc_luma_dir(td, mc[3][b->filter][1],
td->dst[0] + 4 * ls_y, ls_y,
ref2->data[0], ref2->linesize[0], tref2,
(row << 3) + 4, col << 3, &b->mv[2][1],,,,, 8, 4, w2, h2, 1);
w2 = (w2 + s->ss_h) >> s->ss_h;
if (s->ss_v) {
h2 = (h2 + 1) >> 1;
uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[2][1]);
mc_chroma_dir(td, mc[3 + s->ss_h][b->filter][1],
td->dst[1], td->dst[2], ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
row << 2, col << (3 - s->ss_h),
&uvmv,,,,, 8 >> s->ss_h, 4, w2, h2, 1);
} else {
mc_chroma_dir(td, mc[3 + s->ss_h][b->filter][1],
td->dst[1], td->dst[2], ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
row << 3, col << (3 - s->ss_h),
&b->mv[0][1],,,,, 8 >> s->ss_h, 4, w2, h2, 1);
// BUG for 4:2:2 bs=8x4, libvpx uses the wrong block index
// to get the motion vector for the bottom 4x4 block
// https://code.google.com/p/webm/issues/detail?id=993
if (s->ss_h == 0) {
uvmv = b->mv[2][1];
} else {
uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[2][1]);
}
mc_chroma_dir(td, mc[3 + s->ss_h][b->filter][1],
td->dst[1] + 4 * ls_uv, td->dst[2] + 4 * ls_uv, ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
(row << 3) + 4, col << (3 - s->ss_h),
&uvmv,,,,, 8 >> s->ss_h, 4, w2, h2, 1);
}
}
} else if (b->bs == BS_4x8) {
mc_luma_dir(td, mc[4][b->filter][0], td->dst[0], ls_y,
ref1->data[0], ref1->linesize[0], tref1,
row << 3, col << 3, &b->mv[0][0],,,,, 4, 8, w1, h1, 0);
mc_luma_dir(td, mc[4][b->filter][0], td->dst[0] + 4 * bytesperpixel, ls_y,
ref1->data[0], ref1->linesize[0], tref1,
row << 3, (col << 3) + 4, &b->mv[1][0],,,,, 4, 8, w1, h1, 0);
h1 = (h1 + s->ss_v) >> s->ss_v;
if (s->ss_h) {
w1 = (w1 + 1) >> 1;
uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[1][0]);
mc_chroma_dir(td, mc[4][b->filter][0],
td->dst[1], td->dst[2], ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
row << (3 - s->ss_v), col << 2,
&uvmv,,,,, 4, 8 >> s->ss_v, w1, h1, 0);
} else {
mc_chroma_dir(td, mc[4][b->filter][0],
td->dst[1], td->dst[2], ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
row << (3 - s->ss_v), col << 3,
&b->mv[0][0],,,,, 4, 8 >> s->ss_v, w1, h1, 0);
mc_chroma_dir(td, mc[4][b->filter][0],
td->dst[1] + 4 * bytesperpixel,
td->dst[2] + 4 * bytesperpixel, ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
row << (3 - s->ss_v), (col << 3) + 4,
&b->mv[1][0],,,,, 4, 8 >> s->ss_v, w1, h1, 0);
}
if (b->comp) {
mc_luma_dir(td, mc[4][b->filter][1], td->dst[0], ls_y,
ref2->data[0], ref2->linesize[0], tref2,
row << 3, col << 3, &b->mv[0][1],,,,, 4, 8, w2, h2, 1);
mc_luma_dir(td, mc[4][b->filter][1], td->dst[0] + 4 * bytesperpixel, ls_y,
ref2->data[0], ref2->linesize[0], tref2,
row << 3, (col << 3) + 4, &b->mv[1][1],,,,, 4, 8, w2, h2, 1);
h2 = (h2 + s->ss_v) >> s->ss_v;
if (s->ss_h) {
w2 = (w2 + 1) >> 1;
uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[1][1]);
mc_chroma_dir(td, mc[4][b->filter][1],
td->dst[1], td->dst[2], ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
row << (3 - s->ss_v), col << 2,
&uvmv,,,,, 4, 8 >> s->ss_v, w2, h2, 1);
} else {
mc_chroma_dir(td, mc[4][b->filter][1],
td->dst[1], td->dst[2], ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
row << (3 - s->ss_v), col << 3,
&b->mv[0][1],,,,, 4, 8 >> s->ss_v, w2, h2, 1);
mc_chroma_dir(td, mc[4][b->filter][1],
td->dst[1] + 4 * bytesperpixel,
td->dst[2] + 4 * bytesperpixel, ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
row << (3 - s->ss_v), (col << 3) + 4,
&b->mv[1][1],,,,, 4, 8 >> s->ss_v, w2, h2, 1);
}
}
} else
#endif
{
#if SCALED == 0
av_assert2(b->bs == BS_4x4);
#endif
// FIXME if two horizontally adjacent blocks have the same MV,
// do a w8 instead of a w4 call
mc_luma_dir(td, mc[4][b->filter][0], td->dst[0], ls_y,
ref1->data[0], ref1->linesize[0], tref1,
row << 3, col << 3, &b->mv[0][0],
0, 0, 8, 8, 4, 4, w1, h1, 0);
mc_luma_dir(td, mc[4][b->filter][0], td->dst[0] + 4 * bytesperpixel, ls_y,
ref1->data[0], ref1->linesize[0], tref1,
row << 3, (col << 3) + 4, &b->mv[1][0],
4, 0, 8, 8, 4, 4, w1, h1, 0);
mc_luma_dir(td, mc[4][b->filter][0],
td->dst[0] + 4 * ls_y, ls_y,
ref1->data[0], ref1->linesize[0], tref1,
(row << 3) + 4, col << 3, &b->mv[2][0],
0, 4, 8, 8, 4, 4, w1, h1, 0);
mc_luma_dir(td, mc[4][b->filter][0],
td->dst[0] + 4 * ls_y + 4 * bytesperpixel, ls_y,
ref1->data[0], ref1->linesize[0], tref1,
(row << 3) + 4, (col << 3) + 4, &b->mv[3][0],
4, 4, 8, 8, 4, 4, w1, h1, 0);
if (s->ss_v) {
h1 = (h1 + 1) >> 1;
if (s->ss_h) {
w1 = (w1 + 1) >> 1;
uvmv = ROUNDED_DIV_MVx4(b->mv[0][0], b->mv[1][0],
b->mv[2][0], b->mv[3][0]);
mc_chroma_dir(td, mc[4][b->filter][0],
td->dst[1], td->dst[2], ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
row << 2, col << 2,
&uvmv, 0, 0, 4, 4, 4, 4, w1, h1, 0);
} else {
uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[2][0]);
mc_chroma_dir(td, mc[4][b->filter][0],
td->dst[1], td->dst[2], ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
row << 2, col << 3,
&uvmv, 0, 0, 8, 4, 4, 4, w1, h1, 0);
uvmv = ROUNDED_DIV_MVx2(b->mv[1][0], b->mv[3][0]);
mc_chroma_dir(td, mc[4][b->filter][0],
td->dst[1] + 4 * bytesperpixel,
td->dst[2] + 4 * bytesperpixel, ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
row << 2, (col << 3) + 4,
&uvmv, 4, 0, 8, 4, 4, 4, w1, h1, 0);
}
} else {
if (s->ss_h) {
w1 = (w1 + 1) >> 1;
uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[1][0]);
mc_chroma_dir(td, mc[4][b->filter][0],
td->dst[1], td->dst[2], ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
row << 3, col << 2,
&uvmv, 0, 0, 4, 8, 4, 4, w1, h1, 0);
// BUG libvpx uses wrong block index for 4:2:2 bs=4x4
// bottom block
// https://code.google.com/p/webm/issues/detail?id=993
uvmv = ROUNDED_DIV_MVx2(b->mv[1][0], b->mv[2][0]);
mc_chroma_dir(td, mc[4][b->filter][0],
td->dst[1] + 4 * ls_uv, td->dst[2] + 4 * ls_uv, ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
(row << 3) + 4, col << 2,
&uvmv, 0, 4, 4, 8, 4, 4, w1, h1, 0);
} else {
mc_chroma_dir(td, mc[4][b->filter][0],
td->dst[1], td->dst[2], ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
row << 3, col << 3,
&b->mv[0][0], 0, 0, 8, 8, 4, 4, w1, h1, 0);
mc_chroma_dir(td, mc[4][b->filter][0],
td->dst[1] + 4 * bytesperpixel,
td->dst[2] + 4 * bytesperpixel, ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
row << 3, (col << 3) + 4,
&b->mv[1][0], 4, 0, 8, 8, 4, 4, w1, h1, 0);
mc_chroma_dir(td, mc[4][b->filter][0],
td->dst[1] + 4 * ls_uv, td->dst[2] + 4 * ls_uv, ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
(row << 3) + 4, col << 3,
&b->mv[2][0], 0, 4, 8, 8, 4, 4, w1, h1, 0);
mc_chroma_dir(td, mc[4][b->filter][0],
td->dst[1] + 4 * ls_uv + 4 * bytesperpixel,
td->dst[2] + 4 * ls_uv + 4 * bytesperpixel, ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
(row << 3) + 4, (col << 3) + 4,
&b->mv[3][0], 4, 4, 8, 8, 4, 4, w1, h1, 0);
}
}
if (b->comp) {
mc_luma_dir(td, mc[4][b->filter][1], td->dst[0], ls_y,
ref2->data[0], ref2->linesize[0], tref2,
row << 3, col << 3, &b->mv[0][1], 0, 0, 8, 8, 4, 4, w2, h2, 1);
mc_luma_dir(td, mc[4][b->filter][1], td->dst[0] + 4 * bytesperpixel, ls_y,
ref2->data[0], ref2->linesize[0], tref2,
row << 3, (col << 3) + 4, &b->mv[1][1], 4, 0, 8, 8, 4, 4, w2, h2, 1);
mc_luma_dir(td, mc[4][b->filter][1],
td->dst[0] + 4 * ls_y, ls_y,
ref2->data[0], ref2->linesize[0], tref2,
(row << 3) + 4, col << 3, &b->mv[2][1], 0, 4, 8, 8, 4, 4, w2, h2, 1);
mc_luma_dir(td, mc[4][b->filter][1],
td->dst[0] + 4 * ls_y + 4 * bytesperpixel, ls_y,
ref2->data[0], ref2->linesize[0], tref2,
(row << 3) + 4, (col << 3) + 4, &b->mv[3][1], 4, 4, 8, 8, 4, 4, w2, h2, 1);
if (s->ss_v) {
h2 = (h2 + 1) >> 1;
if (s->ss_h) {
w2 = (w2 + 1) >> 1;
uvmv = ROUNDED_DIV_MVx4(b->mv[0][1], b->mv[1][1],
b->mv[2][1], b->mv[3][1]);
mc_chroma_dir(td, mc[4][b->filter][1],
td->dst[1], td->dst[2], ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
row << 2, col << 2,
&uvmv, 0, 0, 4, 4, 4, 4, w2, h2, 1);
} else {
uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[2][1]);
mc_chroma_dir(td, mc[4][b->filter][1],
td->dst[1], td->dst[2], ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
row << 2, col << 3,
&uvmv, 0, 0, 8, 4, 4, 4, w2, h2, 1);
uvmv = ROUNDED_DIV_MVx2(b->mv[1][1], b->mv[3][1]);
mc_chroma_dir(td, mc[4][b->filter][1],
td->dst[1] + 4 * bytesperpixel,
td->dst[2] + 4 * bytesperpixel, ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
row << 2, (col << 3) + 4,
&uvmv, 4, 0, 8, 4, 4, 4, w2, h2, 1);
}
} else {
if (s->ss_h) {
w2 = (w2 + 1) >> 1;
uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[1][1]);
mc_chroma_dir(td, mc[4][b->filter][1],
td->dst[1], td->dst[2], ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
row << 3, col << 2,
&uvmv, 0, 0, 4, 8, 4, 4, w2, h2, 1);
// BUG libvpx uses wrong block index for 4:2:2 bs=4x4
// bottom block
// https://code.google.com/p/webm/issues/detail?id=993
uvmv = ROUNDED_DIV_MVx2(b->mv[1][1], b->mv[2][1]);
mc_chroma_dir(td, mc[4][b->filter][1],
td->dst[1] + 4 * ls_uv, td->dst[2] + 4 * ls_uv, ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
(row << 3) + 4, col << 2,
&uvmv, 0, 4, 4, 8, 4, 4, w2, h2, 1);
} else {
mc_chroma_dir(td, mc[4][b->filter][1],
td->dst[1], td->dst[2], ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
row << 3, col << 3,
&b->mv[0][1], 0, 0, 8, 8, 4, 4, w2, h2, 1);
mc_chroma_dir(td, mc[4][b->filter][1],
td->dst[1] + 4 * bytesperpixel,
td->dst[2] + 4 * bytesperpixel, ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
row << 3, (col << 3) + 4,
&b->mv[1][1], 4, 0, 8, 8, 4, 4, w2, h2, 1);
mc_chroma_dir(td, mc[4][b->filter][1],
td->dst[1] + 4 * ls_uv, td->dst[2] + 4 * ls_uv, ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
(row << 3) + 4, col << 3,
&b->mv[2][1], 0, 4, 8, 8, 4, 4, w2, h2, 1);
mc_chroma_dir(td, mc[4][b->filter][1],
td->dst[1] + 4 * ls_uv + 4 * bytesperpixel,
td->dst[2] + 4 * ls_uv + 4 * bytesperpixel, ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
(row << 3) + 4, (col << 3) + 4,
&b->mv[3][1], 4, 4, 8, 8, 4, 4, w2, h2, 1);
}
}
}
}
} else {
int bwl = bwlog_tab[0][b->bs];
int bw = ff_vp9_bwh_tab[0][b->bs][0] * 4;
int bh = ff_vp9_bwh_tab[0][b->bs][1] * 4;
int uvbw = ff_vp9_bwh_tab[s->ss_h][b->bs][0] * 4;
int uvbh = ff_vp9_bwh_tab[s->ss_v][b->bs][1] * 4;
mc_luma_dir(td, mc[bwl][b->filter][0], td->dst[0], ls_y,
ref1->data[0], ref1->linesize[0], tref1,
row << 3, col << 3, &b->mv[0][0], 0, 0, bw, bh, bw, bh, w1, h1, 0);
w1 = (w1 + s->ss_h) >> s->ss_h;
h1 = (h1 + s->ss_v) >> s->ss_v;
mc_chroma_dir(td, mc[bwl + s->ss_h][b->filter][0],
td->dst[1], td->dst[2], ls_uv,
ref1->data[1], ref1->linesize[1],
ref1->data[2], ref1->linesize[2], tref1,
row << (3 - s->ss_v), col << (3 - s->ss_h),
&b->mv[0][0], 0, 0, uvbw, uvbh, uvbw, uvbh, w1, h1, 0);
if (b->comp) {
mc_luma_dir(td, mc[bwl][b->filter][1], td->dst[0], ls_y,
ref2->data[0], ref2->linesize[0], tref2,
row << 3, col << 3, &b->mv[0][1], 0, 0, bw, bh, bw, bh, w2, h2, 1);
w2 = (w2 + s->ss_h) >> s->ss_h;
h2 = (h2 + s->ss_v) >> s->ss_v;
mc_chroma_dir(td, mc[bwl + s->ss_h][b->filter][1],
td->dst[1], td->dst[2], ls_uv,
ref2->data[1], ref2->linesize[1],
ref2->data[2], ref2->linesize[2], tref2,
row << (3 - s->ss_v), col << (3 - s->ss_h),
&b->mv[0][1], 0, 0, uvbw, uvbh, uvbw, uvbh, w2, h2, 1);
}
}
}