656 lines
29 KiB
C
656 lines
29 KiB
C
/*
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* VP9 compatible video decoder
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*
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* Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
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* Copyright (C) 2013 Clément Bœsch <u pkh me>
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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/mem_internal.h"
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#include "avcodec.h"
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#include "internal.h"
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#include "videodsp.h"
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#include "vp9data.h"
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#include "vp9dec.h"
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static av_always_inline int check_intra_mode(VP9TileData *td, int mode, uint8_t **a,
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uint8_t *dst_edge, ptrdiff_t stride_edge,
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uint8_t *dst_inner, ptrdiff_t stride_inner,
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uint8_t *l, int col, int x, int w,
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int row, int y, enum TxfmMode tx,
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int p, int ss_h, int ss_v, int bytesperpixel)
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{
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VP9Context *s = td->s;
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int have_top = row > 0 || y > 0;
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int have_left = col > td->tile_col_start || x > 0;
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int have_right = x < w - 1;
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int bpp = s->s.h.bpp;
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static const uint8_t mode_conv[10][2 /* have_left */][2 /* have_top */] = {
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[VERT_PRED] = { { DC_127_PRED, VERT_PRED },
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{ DC_127_PRED, VERT_PRED } },
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[HOR_PRED] = { { DC_129_PRED, DC_129_PRED },
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{ HOR_PRED, HOR_PRED } },
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[DC_PRED] = { { DC_128_PRED, TOP_DC_PRED },
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{ LEFT_DC_PRED, DC_PRED } },
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[DIAG_DOWN_LEFT_PRED] = { { DC_127_PRED, DIAG_DOWN_LEFT_PRED },
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{ DC_127_PRED, DIAG_DOWN_LEFT_PRED } },
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[DIAG_DOWN_RIGHT_PRED] = { { DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED },
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{ DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED } },
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[VERT_RIGHT_PRED] = { { VERT_RIGHT_PRED, VERT_RIGHT_PRED },
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{ VERT_RIGHT_PRED, VERT_RIGHT_PRED } },
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[HOR_DOWN_PRED] = { { HOR_DOWN_PRED, HOR_DOWN_PRED },
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{ HOR_DOWN_PRED, HOR_DOWN_PRED } },
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[VERT_LEFT_PRED] = { { DC_127_PRED, VERT_LEFT_PRED },
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{ DC_127_PRED, VERT_LEFT_PRED } },
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[HOR_UP_PRED] = { { DC_129_PRED, DC_129_PRED },
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{ HOR_UP_PRED, HOR_UP_PRED } },
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[TM_VP8_PRED] = { { DC_129_PRED, VERT_PRED },
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{ HOR_PRED, TM_VP8_PRED } },
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};
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static const struct {
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uint8_t needs_left:1;
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uint8_t needs_top:1;
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uint8_t needs_topleft:1;
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uint8_t needs_topright:1;
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uint8_t invert_left:1;
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} edges[N_INTRA_PRED_MODES] = {
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[VERT_PRED] = { .needs_top = 1 },
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[HOR_PRED] = { .needs_left = 1 },
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[DC_PRED] = { .needs_top = 1, .needs_left = 1 },
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[DIAG_DOWN_LEFT_PRED] = { .needs_top = 1, .needs_topright = 1 },
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[DIAG_DOWN_RIGHT_PRED] = { .needs_left = 1, .needs_top = 1,
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.needs_topleft = 1 },
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[VERT_RIGHT_PRED] = { .needs_left = 1, .needs_top = 1,
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.needs_topleft = 1 },
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[HOR_DOWN_PRED] = { .needs_left = 1, .needs_top = 1,
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.needs_topleft = 1 },
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[VERT_LEFT_PRED] = { .needs_top = 1, .needs_topright = 1 },
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[HOR_UP_PRED] = { .needs_left = 1, .invert_left = 1 },
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[TM_VP8_PRED] = { .needs_left = 1, .needs_top = 1,
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.needs_topleft = 1 },
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[LEFT_DC_PRED] = { .needs_left = 1 },
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[TOP_DC_PRED] = { .needs_top = 1 },
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[DC_128_PRED] = { 0 },
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[DC_127_PRED] = { 0 },
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[DC_129_PRED] = { 0 }
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};
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av_assert2(mode >= 0 && mode < 10);
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mode = mode_conv[mode][have_left][have_top];
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if (edges[mode].needs_top) {
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uint8_t *top, *topleft;
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int n_px_need = 4 << tx, n_px_have = (((s->cols - col) << !ss_h) - x) * 4;
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int n_px_need_tr = 0;
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if (tx == TX_4X4 && edges[mode].needs_topright && have_right)
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n_px_need_tr = 4;
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// if top of sb64-row, use s->intra_pred_data[] instead of
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// dst[-stride] for intra prediction (it contains pre- instead of
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// post-loopfilter data)
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if (have_top) {
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top = !(row & 7) && !y ?
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s->intra_pred_data[p] + (col * (8 >> ss_h) + x * 4) * bytesperpixel :
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y == 0 ? &dst_edge[-stride_edge] : &dst_inner[-stride_inner];
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if (have_left)
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topleft = !(row & 7) && !y ?
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s->intra_pred_data[p] + (col * (8 >> ss_h) + x * 4) * bytesperpixel :
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y == 0 || x == 0 ? &dst_edge[-stride_edge] :
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&dst_inner[-stride_inner];
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}
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if (have_top &&
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(!edges[mode].needs_topleft || (have_left && top == topleft)) &&
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(tx != TX_4X4 || !edges[mode].needs_topright || have_right) &&
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n_px_need + n_px_need_tr <= n_px_have) {
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*a = top;
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} else {
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if (have_top) {
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if (n_px_need <= n_px_have) {
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memcpy(*a, top, n_px_need * bytesperpixel);
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} else {
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#define memset_bpp(c, i1, v, i2, num) do { \
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if (bytesperpixel == 1) { \
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memset(&(c)[(i1)], (v)[(i2)], (num)); \
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} else { \
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int n, val = AV_RN16A(&(v)[(i2) * 2]); \
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for (n = 0; n < (num); n++) { \
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AV_WN16A(&(c)[((i1) + n) * 2], val); \
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} \
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} \
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} while (0)
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memcpy(*a, top, n_px_have * bytesperpixel);
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memset_bpp(*a, n_px_have, (*a), n_px_have - 1, n_px_need - n_px_have);
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}
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} else {
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#define memset_val(c, val, num) do { \
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if (bytesperpixel == 1) { \
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memset((c), (val), (num)); \
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} else { \
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int n; \
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for (n = 0; n < (num); n++) { \
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AV_WN16A(&(c)[n * 2], (val)); \
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} \
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} \
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} while (0)
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memset_val(*a, (128 << (bpp - 8)) - 1, n_px_need);
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}
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if (edges[mode].needs_topleft) {
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if (have_left && have_top) {
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#define assign_bpp(c, i1, v, i2) do { \
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if (bytesperpixel == 1) { \
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(c)[(i1)] = (v)[(i2)]; \
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} else { \
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AV_COPY16(&(c)[(i1) * 2], &(v)[(i2) * 2]); \
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} \
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} while (0)
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assign_bpp(*a, -1, topleft, -1);
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} else {
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#define assign_val(c, i, v) do { \
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if (bytesperpixel == 1) { \
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(c)[(i)] = (v); \
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} else { \
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AV_WN16A(&(c)[(i) * 2], (v)); \
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} \
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} while (0)
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assign_val((*a), -1, (128 << (bpp - 8)) + (have_top ? +1 : -1));
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}
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}
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if (tx == TX_4X4 && edges[mode].needs_topright) {
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if (have_top && have_right &&
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n_px_need + n_px_need_tr <= n_px_have) {
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memcpy(&(*a)[4 * bytesperpixel], &top[4 * bytesperpixel], 4 * bytesperpixel);
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} else {
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memset_bpp(*a, 4, *a, 3, 4);
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}
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}
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}
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}
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if (edges[mode].needs_left) {
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if (have_left) {
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int n_px_need = 4 << tx, i, n_px_have = (((s->rows - row) << !ss_v) - y) * 4;
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uint8_t *dst = x == 0 ? dst_edge : dst_inner;
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ptrdiff_t stride = x == 0 ? stride_edge : stride_inner;
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if (edges[mode].invert_left) {
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if (n_px_need <= n_px_have) {
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for (i = 0; i < n_px_need; i++)
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assign_bpp(l, i, &dst[i * stride], -1);
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} else {
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for (i = 0; i < n_px_have; i++)
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assign_bpp(l, i, &dst[i * stride], -1);
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memset_bpp(l, n_px_have, l, n_px_have - 1, n_px_need - n_px_have);
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}
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} else {
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if (n_px_need <= n_px_have) {
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for (i = 0; i < n_px_need; i++)
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assign_bpp(l, n_px_need - 1 - i, &dst[i * stride], -1);
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} else {
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for (i = 0; i < n_px_have; i++)
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assign_bpp(l, n_px_need - 1 - i, &dst[i * stride], -1);
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memset_bpp(l, 0, l, n_px_need - n_px_have, n_px_need - n_px_have);
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}
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}
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} else {
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memset_val(l, (128 << (bpp - 8)) + 1, 4 << tx);
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}
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}
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return mode;
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}
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static av_always_inline void intra_recon(VP9TileData *td, ptrdiff_t y_off,
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ptrdiff_t uv_off, int bytesperpixel)
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{
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VP9Context *s = td->s;
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VP9Block *b = td->b;
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int row = td->row, col = td->col;
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int w4 = ff_vp9_bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
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int h4 = ff_vp9_bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);
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int end_x = FFMIN(2 * (s->cols - col), w4);
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int end_y = FFMIN(2 * (s->rows - row), h4);
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int tx = 4 * s->s.h.lossless + b->tx, uvtx = b->uvtx + 4 * s->s.h.lossless;
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int uvstep1d = 1 << b->uvtx, p;
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uint8_t *dst = td->dst[0], *dst_r = s->s.frames[CUR_FRAME].tf.f->data[0] + y_off;
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LOCAL_ALIGNED_32(uint8_t, a_buf, [96]);
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LOCAL_ALIGNED_32(uint8_t, l, [64]);
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for (n = 0, y = 0; y < end_y; y += step1d) {
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uint8_t *ptr = dst, *ptr_r = dst_r;
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for (x = 0; x < end_x; x += step1d, ptr += 4 * step1d * bytesperpixel,
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ptr_r += 4 * step1d * bytesperpixel, n += step) {
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int mode = b->mode[b->bs > BS_8x8 && b->tx == TX_4X4 ?
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y * 2 + x : 0];
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uint8_t *a = &a_buf[32];
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enum TxfmType txtp = ff_vp9_intra_txfm_type[mode];
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int eob = b->skip ? 0 : b->tx > TX_8X8 ? AV_RN16A(&td->eob[n]) : td->eob[n];
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mode = check_intra_mode(td, mode, &a, ptr_r,
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s->s.frames[CUR_FRAME].tf.f->linesize[0],
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ptr, td->y_stride, l,
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col, x, w4, row, y, b->tx, 0, 0, 0, bytesperpixel);
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s->dsp.intra_pred[b->tx][mode](ptr, td->y_stride, l, a);
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if (eob)
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s->dsp.itxfm_add[tx][txtp](ptr, td->y_stride,
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td->block + 16 * n * bytesperpixel, eob);
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}
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dst_r += 4 * step1d * s->s.frames[CUR_FRAME].tf.f->linesize[0];
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dst += 4 * step1d * td->y_stride;
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}
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// U/V
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w4 >>= s->ss_h;
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end_x >>= s->ss_h;
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end_y >>= s->ss_v;
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step = 1 << (b->uvtx * 2);
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for (p = 0; p < 2; p++) {
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dst = td->dst[1 + p];
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dst_r = s->s.frames[CUR_FRAME].tf.f->data[1 + p] + uv_off;
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for (n = 0, y = 0; y < end_y; y += uvstep1d) {
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uint8_t *ptr = dst, *ptr_r = dst_r;
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for (x = 0; x < end_x; x += uvstep1d, ptr += 4 * uvstep1d * bytesperpixel,
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ptr_r += 4 * uvstep1d * bytesperpixel, n += step) {
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int mode = b->uvmode;
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uint8_t *a = &a_buf[32];
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int eob = b->skip ? 0 : b->uvtx > TX_8X8 ? AV_RN16A(&td->uveob[p][n]) : td->uveob[p][n];
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mode = check_intra_mode(td, mode, &a, ptr_r,
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s->s.frames[CUR_FRAME].tf.f->linesize[1],
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ptr, td->uv_stride, l, col, x, w4, row, y,
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b->uvtx, p + 1, s->ss_h, s->ss_v, bytesperpixel);
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s->dsp.intra_pred[b->uvtx][mode](ptr, td->uv_stride, l, a);
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if (eob)
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s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, td->uv_stride,
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td->uvblock[p] + 16 * n * bytesperpixel, eob);
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}
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dst_r += 4 * uvstep1d * s->s.frames[CUR_FRAME].tf.f->linesize[1];
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dst += 4 * uvstep1d * td->uv_stride;
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}
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}
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}
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void ff_vp9_intra_recon_8bpp(VP9TileData *td, ptrdiff_t y_off, ptrdiff_t uv_off)
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{
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intra_recon(td, y_off, uv_off, 1);
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}
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void ff_vp9_intra_recon_16bpp(VP9TileData *td, ptrdiff_t y_off, ptrdiff_t uv_off)
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{
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intra_recon(td, y_off, uv_off, 2);
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}
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static av_always_inline void mc_luma_unscaled(VP9TileData *td, vp9_mc_func (*mc)[2],
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uint8_t *dst, ptrdiff_t dst_stride,
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const uint8_t *ref, ptrdiff_t ref_stride,
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ThreadFrame *ref_frame,
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ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
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int bw, int bh, int w, int h, int bytesperpixel)
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{
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VP9Context *s = td->s;
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int mx = mv->x, my = mv->y, th;
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y += my >> 3;
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x += mx >> 3;
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ref += y * ref_stride + x * bytesperpixel;
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mx &= 7;
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my &= 7;
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// FIXME bilinear filter only needs 0/1 pixels, not 3/4
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// we use +7 because the last 7 pixels of each sbrow can be changed in
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// the longest loopfilter of the next sbrow
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th = (y + bh + 4 * !!my + 7) >> 6;
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ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
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// The arm/aarch64 _hv filters read one more row than what actually is
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// needed, so switch to emulated edge one pixel sooner vertically
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// (!!my * 5) than horizontally (!!mx * 4).
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if (x < !!mx * 3 || y < !!my * 3 ||
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x + !!mx * 4 > w - bw || y + !!my * 5 > h - bh) {
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s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
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ref - !!my * 3 * ref_stride - !!mx * 3 * bytesperpixel,
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160, ref_stride,
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bw + !!mx * 7, bh + !!my * 7,
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x - !!mx * 3, y - !!my * 3, w, h);
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ref = td->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
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ref_stride = 160;
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}
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mc[!!mx][!!my](dst, dst_stride, ref, ref_stride, bh, mx << 1, my << 1);
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}
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static av_always_inline void mc_chroma_unscaled(VP9TileData *td, vp9_mc_func (*mc)[2],
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uint8_t *dst_u, uint8_t *dst_v,
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ptrdiff_t dst_stride,
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const uint8_t *ref_u, ptrdiff_t src_stride_u,
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const uint8_t *ref_v, ptrdiff_t src_stride_v,
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ThreadFrame *ref_frame,
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ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
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int bw, int bh, int w, int h, int bytesperpixel)
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{
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VP9Context *s = td->s;
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int mx = mv->x * (1 << !s->ss_h), my = mv->y * (1 << !s->ss_v), th;
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y += my >> 4;
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x += mx >> 4;
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ref_u += y * src_stride_u + x * bytesperpixel;
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ref_v += y * src_stride_v + x * bytesperpixel;
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mx &= 15;
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my &= 15;
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// FIXME bilinear filter only needs 0/1 pixels, not 3/4
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// we use +7 because the last 7 pixels of each sbrow can be changed in
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// the longest loopfilter of the next sbrow
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th = (y + bh + 4 * !!my + 7) >> (6 - s->ss_v);
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ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
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// The arm/aarch64 _hv filters read one more row than what actually is
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// needed, so switch to emulated edge one pixel sooner vertically
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// (!!my * 5) than horizontally (!!mx * 4).
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if (x < !!mx * 3 || y < !!my * 3 ||
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x + !!mx * 4 > w - bw || y + !!my * 5 > h - bh) {
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s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
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ref_u - !!my * 3 * src_stride_u - !!mx * 3 * bytesperpixel,
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160, src_stride_u,
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bw + !!mx * 7, bh + !!my * 7,
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x - !!mx * 3, y - !!my * 3, w, h);
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ref_u = td->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
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mc[!!mx][!!my](dst_u, dst_stride, ref_u, 160, bh, mx, my);
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s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
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ref_v - !!my * 3 * src_stride_v - !!mx * 3 * bytesperpixel,
|
|
160, src_stride_v,
|
|
bw + !!mx * 7, bh + !!my * 7,
|
|
x - !!mx * 3, y - !!my * 3, w, h);
|
|
ref_v = td->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
|
|
mc[!!mx][!!my](dst_v, dst_stride, ref_v, 160, bh, mx, my);
|
|
} else {
|
|
mc[!!mx][!!my](dst_u, dst_stride, ref_u, src_stride_u, bh, mx, my);
|
|
mc[!!mx][!!my](dst_v, dst_stride, ref_v, src_stride_v, bh, mx, my);
|
|
}
|
|
}
|
|
|
|
#define mc_luma_dir(td, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, \
|
|
px, py, pw, ph, bw, bh, w, h, i) \
|
|
mc_luma_unscaled(td, s->dsp.mc, dst, dst_ls, src, src_ls, tref, row, col, \
|
|
mv, bw, bh, w, h, bytesperpixel)
|
|
#define mc_chroma_dir(td, mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
|
|
row, col, mv, px, py, pw, ph, bw, bh, w, h, i) \
|
|
mc_chroma_unscaled(td, s->dsp.mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
|
|
row, col, mv, bw, bh, w, h, bytesperpixel)
|
|
#define SCALED 0
|
|
#define FN(x) x##_8bpp
|
|
#define BYTES_PER_PIXEL 1
|
|
#include "vp9_mc_template.c"
|
|
#undef FN
|
|
#undef BYTES_PER_PIXEL
|
|
#define FN(x) x##_16bpp
|
|
#define BYTES_PER_PIXEL 2
|
|
#include "vp9_mc_template.c"
|
|
#undef mc_luma_dir
|
|
#undef mc_chroma_dir
|
|
#undef FN
|
|
#undef BYTES_PER_PIXEL
|
|
#undef SCALED
|
|
|
|
static av_always_inline void mc_luma_scaled(VP9TileData *td, vp9_scaled_mc_func smc,
|
|
vp9_mc_func (*mc)[2],
|
|
uint8_t *dst, ptrdiff_t dst_stride,
|
|
const uint8_t *ref, ptrdiff_t ref_stride,
|
|
ThreadFrame *ref_frame,
|
|
ptrdiff_t y, ptrdiff_t x, const VP56mv *in_mv,
|
|
int px, int py, int pw, int ph,
|
|
int bw, int bh, int w, int h, int bytesperpixel,
|
|
const uint16_t *scale, const uint8_t *step)
|
|
{
|
|
VP9Context *s = td->s;
|
|
if (s->s.frames[CUR_FRAME].tf.f->width == ref_frame->f->width &&
|
|
s->s.frames[CUR_FRAME].tf.f->height == ref_frame->f->height) {
|
|
mc_luma_unscaled(td, mc, dst, dst_stride, ref, ref_stride, ref_frame,
|
|
y, x, in_mv, bw, bh, w, h, bytesperpixel);
|
|
} else {
|
|
#define scale_mv(n, dim) (((int64_t)(n) * scale[dim]) >> 14)
|
|
int mx, my;
|
|
int refbw_m1, refbh_m1;
|
|
int th;
|
|
VP56mv mv;
|
|
|
|
mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 8, (s->cols * 8 - x + px + 3) * 8);
|
|
mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 8, (s->rows * 8 - y + py + 3) * 8);
|
|
// BUG libvpx seems to scale the two components separately. This introduces
|
|
// rounding errors but we have to reproduce them to be exactly compatible
|
|
// with the output from libvpx...
|
|
mx = scale_mv(mv.x * 2, 0) + scale_mv(x * 16, 0);
|
|
my = scale_mv(mv.y * 2, 1) + scale_mv(y * 16, 1);
|
|
|
|
y = my >> 4;
|
|
x = mx >> 4;
|
|
ref += y * ref_stride + x * bytesperpixel;
|
|
mx &= 15;
|
|
my &= 15;
|
|
refbw_m1 = ((bw - 1) * step[0] + mx) >> 4;
|
|
refbh_m1 = ((bh - 1) * step[1] + my) >> 4;
|
|
// FIXME bilinear filter only needs 0/1 pixels, not 3/4
|
|
// we use +7 because the last 7 pixels of each sbrow can be changed in
|
|
// the longest loopfilter of the next sbrow
|
|
th = (y + refbh_m1 + 4 + 7) >> 6;
|
|
ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
|
|
// The arm/aarch64 _hv filters read one more row than what actually is
|
|
// needed, so switch to emulated edge one pixel sooner vertically
|
|
// (y + 5 >= h - refbh_m1) than horizontally (x + 4 >= w - refbw_m1).
|
|
if (x < 3 || y < 3 || x + 4 >= w - refbw_m1 || y + 5 >= h - refbh_m1) {
|
|
s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
|
|
ref - 3 * ref_stride - 3 * bytesperpixel,
|
|
288, ref_stride,
|
|
refbw_m1 + 8, refbh_m1 + 8,
|
|
x - 3, y - 3, w, h);
|
|
ref = td->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
|
|
ref_stride = 288;
|
|
}
|
|
smc(dst, dst_stride, ref, ref_stride, bh, mx, my, step[0], step[1]);
|
|
}
|
|
}
|
|
|
|
static av_always_inline void mc_chroma_scaled(VP9TileData *td, vp9_scaled_mc_func smc,
|
|
vp9_mc_func (*mc)[2],
|
|
uint8_t *dst_u, uint8_t *dst_v,
|
|
ptrdiff_t dst_stride,
|
|
const uint8_t *ref_u, ptrdiff_t src_stride_u,
|
|
const uint8_t *ref_v, ptrdiff_t src_stride_v,
|
|
ThreadFrame *ref_frame,
|
|
ptrdiff_t y, ptrdiff_t x, const VP56mv *in_mv,
|
|
int px, int py, int pw, int ph,
|
|
int bw, int bh, int w, int h, int bytesperpixel,
|
|
const uint16_t *scale, const uint8_t *step)
|
|
{
|
|
VP9Context *s = td->s;
|
|
if (s->s.frames[CUR_FRAME].tf.f->width == ref_frame->f->width &&
|
|
s->s.frames[CUR_FRAME].tf.f->height == ref_frame->f->height) {
|
|
mc_chroma_unscaled(td, mc, dst_u, dst_v, dst_stride, ref_u, src_stride_u,
|
|
ref_v, src_stride_v, ref_frame,
|
|
y, x, in_mv, bw, bh, w, h, bytesperpixel);
|
|
} else {
|
|
int mx, my;
|
|
int refbw_m1, refbh_m1;
|
|
int th;
|
|
VP56mv mv;
|
|
|
|
if (s->ss_h) {
|
|
// BUG https://code.google.com/p/webm/issues/detail?id=820
|
|
mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 16, (s->cols * 4 - x + px + 3) * 16);
|
|
mx = scale_mv(mv.x, 0) + (scale_mv(x * 16, 0) & ~15) + (scale_mv(x * 32, 0) & 15);
|
|
} else {
|
|
mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 8, (s->cols * 8 - x + px + 3) * 8);
|
|
mx = scale_mv(mv.x * 2, 0) + scale_mv(x * 16, 0);
|
|
}
|
|
if (s->ss_v) {
|
|
// BUG https://code.google.com/p/webm/issues/detail?id=820
|
|
mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 16, (s->rows * 4 - y + py + 3) * 16);
|
|
my = scale_mv(mv.y, 1) + (scale_mv(y * 16, 1) & ~15) + (scale_mv(y * 32, 1) & 15);
|
|
} else {
|
|
mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 8, (s->rows * 8 - y + py + 3) * 8);
|
|
my = scale_mv(mv.y * 2, 1) + scale_mv(y * 16, 1);
|
|
}
|
|
#undef scale_mv
|
|
y = my >> 4;
|
|
x = mx >> 4;
|
|
ref_u += y * src_stride_u + x * bytesperpixel;
|
|
ref_v += y * src_stride_v + x * bytesperpixel;
|
|
mx &= 15;
|
|
my &= 15;
|
|
refbw_m1 = ((bw - 1) * step[0] + mx) >> 4;
|
|
refbh_m1 = ((bh - 1) * step[1] + my) >> 4;
|
|
// FIXME bilinear filter only needs 0/1 pixels, not 3/4
|
|
// we use +7 because the last 7 pixels of each sbrow can be changed in
|
|
// the longest loopfilter of the next sbrow
|
|
th = (y + refbh_m1 + 4 + 7) >> (6 - s->ss_v);
|
|
ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
|
|
// The arm/aarch64 _hv filters read one more row than what actually is
|
|
// needed, so switch to emulated edge one pixel sooner vertically
|
|
// (y + 5 >= h - refbh_m1) than horizontally (x + 4 >= w - refbw_m1).
|
|
if (x < 3 || y < 3 || x + 4 >= w - refbw_m1 || y + 5 >= h - refbh_m1) {
|
|
s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
|
|
ref_u - 3 * src_stride_u - 3 * bytesperpixel,
|
|
288, src_stride_u,
|
|
refbw_m1 + 8, refbh_m1 + 8,
|
|
x - 3, y - 3, w, h);
|
|
ref_u = td->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
|
|
smc(dst_u, dst_stride, ref_u, 288, bh, mx, my, step[0], step[1]);
|
|
|
|
s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
|
|
ref_v - 3 * src_stride_v - 3 * bytesperpixel,
|
|
288, src_stride_v,
|
|
refbw_m1 + 8, refbh_m1 + 8,
|
|
x - 3, y - 3, w, h);
|
|
ref_v = td->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
|
|
smc(dst_v, dst_stride, ref_v, 288, bh, mx, my, step[0], step[1]);
|
|
} else {
|
|
smc(dst_u, dst_stride, ref_u, src_stride_u, bh, mx, my, step[0], step[1]);
|
|
smc(dst_v, dst_stride, ref_v, src_stride_v, bh, mx, my, step[0], step[1]);
|
|
}
|
|
}
|
|
}
|
|
|
|
#define mc_luma_dir(td, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, \
|
|
px, py, pw, ph, bw, bh, w, h, i) \
|
|
mc_luma_scaled(td, s->dsp.s##mc, s->dsp.mc, dst, dst_ls, src, src_ls, tref, row, col, \
|
|
mv, px, py, pw, ph, bw, bh, w, h, bytesperpixel, \
|
|
s->mvscale[b->ref[i]], s->mvstep[b->ref[i]])
|
|
#define mc_chroma_dir(td, mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
|
|
row, col, mv, px, py, pw, ph, bw, bh, w, h, i) \
|
|
mc_chroma_scaled(td, s->dsp.s##mc, s->dsp.mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
|
|
row, col, mv, px, py, pw, ph, bw, bh, w, h, bytesperpixel, \
|
|
s->mvscale[b->ref[i]], s->mvstep[b->ref[i]])
|
|
#define SCALED 1
|
|
#define FN(x) x##_scaled_8bpp
|
|
#define BYTES_PER_PIXEL 1
|
|
#include "vp9_mc_template.c"
|
|
#undef FN
|
|
#undef BYTES_PER_PIXEL
|
|
#define FN(x) x##_scaled_16bpp
|
|
#define BYTES_PER_PIXEL 2
|
|
#include "vp9_mc_template.c"
|
|
#undef mc_luma_dir
|
|
#undef mc_chroma_dir
|
|
#undef FN
|
|
#undef BYTES_PER_PIXEL
|
|
#undef SCALED
|
|
|
|
static av_always_inline void inter_recon(VP9TileData *td, int bytesperpixel)
|
|
{
|
|
VP9Context *s = td->s;
|
|
VP9Block *b = td->b;
|
|
int row = td->row, col = td->col;
|
|
|
|
if (s->mvscale[b->ref[0]][0] == REF_INVALID_SCALE ||
|
|
(b->comp && s->mvscale[b->ref[1]][0] == REF_INVALID_SCALE)) {
|
|
if (!s->td->error_info) {
|
|
s->td->error_info = AVERROR_INVALIDDATA;
|
|
av_log(NULL, AV_LOG_ERROR, "Bitstream not supported, "
|
|
"reference frame has invalid dimensions\n");
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (s->mvscale[b->ref[0]][0] || (b->comp && s->mvscale[b->ref[1]][0])) {
|
|
if (bytesperpixel == 1) {
|
|
inter_pred_scaled_8bpp(td);
|
|
} else {
|
|
inter_pred_scaled_16bpp(td);
|
|
}
|
|
} else {
|
|
if (bytesperpixel == 1) {
|
|
inter_pred_8bpp(td);
|
|
} else {
|
|
inter_pred_16bpp(td);
|
|
}
|
|
}
|
|
|
|
if (!b->skip) {
|
|
/* mostly copied intra_recon() */
|
|
|
|
int w4 = ff_vp9_bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
|
|
int h4 = ff_vp9_bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);
|
|
int end_x = FFMIN(2 * (s->cols - col), w4);
|
|
int end_y = FFMIN(2 * (s->rows - row), h4);
|
|
int tx = 4 * s->s.h.lossless + b->tx, uvtx = b->uvtx + 4 * s->s.h.lossless;
|
|
int uvstep1d = 1 << b->uvtx, p;
|
|
uint8_t *dst = td->dst[0];
|
|
|
|
// y itxfm add
|
|
for (n = 0, y = 0; y < end_y; y += step1d) {
|
|
uint8_t *ptr = dst;
|
|
for (x = 0; x < end_x; x += step1d,
|
|
ptr += 4 * step1d * bytesperpixel, n += step) {
|
|
int eob = b->tx > TX_8X8 ? AV_RN16A(&td->eob[n]) : td->eob[n];
|
|
|
|
if (eob)
|
|
s->dsp.itxfm_add[tx][DCT_DCT](ptr, td->y_stride,
|
|
td->block + 16 * n * bytesperpixel, eob);
|
|
}
|
|
dst += 4 * td->y_stride * step1d;
|
|
}
|
|
|
|
// uv itxfm add
|
|
end_x >>= s->ss_h;
|
|
end_y >>= s->ss_v;
|
|
step = 1 << (b->uvtx * 2);
|
|
for (p = 0; p < 2; p++) {
|
|
dst = td->dst[p + 1];
|
|
for (n = 0, y = 0; y < end_y; y += uvstep1d) {
|
|
uint8_t *ptr = dst;
|
|
for (x = 0; x < end_x; x += uvstep1d,
|
|
ptr += 4 * uvstep1d * bytesperpixel, n += step) {
|
|
int eob = b->uvtx > TX_8X8 ? AV_RN16A(&td->uveob[p][n]) : td->uveob[p][n];
|
|
|
|
if (eob)
|
|
s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, td->uv_stride,
|
|
td->uvblock[p] + 16 * n * bytesperpixel, eob);
|
|
}
|
|
dst += 4 * uvstep1d * td->uv_stride;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ff_vp9_inter_recon_8bpp(VP9TileData *td)
|
|
{
|
|
inter_recon(td, 1);
|
|
}
|
|
|
|
void ff_vp9_inter_recon_16bpp(VP9TileData *td)
|
|
{
|
|
inter_recon(td, 2);
|
|
}
|