mirror of https://github.com/FFmpeg/FFmpeg.git
Ronald S. Bultje
8 years ago
parent
b823bbc10c
commit
6d0d1c4a43
7 changed files with 674 additions and 634 deletions
@ -0,0 +1,639 @@ |
||||
/*
|
||||
* 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 |
||||
*/ |
||||
|
||||
#include "libavutil/avassert.h" |
||||
|
||||
#include "avcodec.h" |
||||
#include "internal.h" |
||||
#include "videodsp.h" |
||||
#include "vp9data.h" |
||||
#include "vp9dec.h" |
||||
|
||||
static av_always_inline int check_intra_mode(VP9Context *s, int mode, uint8_t **a, |
||||
uint8_t *dst_edge, ptrdiff_t stride_edge, |
||||
uint8_t *dst_inner, ptrdiff_t stride_inner, |
||||
uint8_t *l, int col, int x, int w, |
||||
int row, int y, enum TxfmMode tx, |
||||
int p, int ss_h, int ss_v, int bytesperpixel) |
||||
{ |
||||
int have_top = row > 0 || y > 0; |
||||
int have_left = col > s->tile_col_start || x > 0; |
||||
int have_right = x < w - 1; |
||||
int bpp = s->s.h.bpp; |
||||
static const uint8_t mode_conv[10][2 /* have_left */][2 /* have_top */] = { |
||||
[VERT_PRED] = { { DC_127_PRED, VERT_PRED }, |
||||
{ DC_127_PRED, VERT_PRED } }, |
||||
[HOR_PRED] = { { DC_129_PRED, DC_129_PRED }, |
||||
{ HOR_PRED, HOR_PRED } }, |
||||
[DC_PRED] = { { DC_128_PRED, TOP_DC_PRED }, |
||||
{ LEFT_DC_PRED, DC_PRED } }, |
||||
[DIAG_DOWN_LEFT_PRED] = { { DC_127_PRED, DIAG_DOWN_LEFT_PRED }, |
||||
{ DC_127_PRED, DIAG_DOWN_LEFT_PRED } }, |
||||
[DIAG_DOWN_RIGHT_PRED] = { { DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED }, |
||||
{ DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED } }, |
||||
[VERT_RIGHT_PRED] = { { VERT_RIGHT_PRED, VERT_RIGHT_PRED }, |
||||
{ VERT_RIGHT_PRED, VERT_RIGHT_PRED } }, |
||||
[HOR_DOWN_PRED] = { { HOR_DOWN_PRED, HOR_DOWN_PRED }, |
||||
{ HOR_DOWN_PRED, HOR_DOWN_PRED } }, |
||||
[VERT_LEFT_PRED] = { { DC_127_PRED, VERT_LEFT_PRED }, |
||||
{ DC_127_PRED, VERT_LEFT_PRED } }, |
||||
[HOR_UP_PRED] = { { DC_129_PRED, DC_129_PRED }, |
||||
{ HOR_UP_PRED, HOR_UP_PRED } }, |
||||
[TM_VP8_PRED] = { { DC_129_PRED, VERT_PRED }, |
||||
{ HOR_PRED, TM_VP8_PRED } }, |
||||
}; |
||||
static const struct { |
||||
uint8_t needs_left:1; |
||||
uint8_t needs_top:1; |
||||
uint8_t needs_topleft:1; |
||||
uint8_t needs_topright:1; |
||||
uint8_t invert_left:1; |
||||
} edges[N_INTRA_PRED_MODES] = { |
||||
[VERT_PRED] = { .needs_top = 1 }, |
||||
[HOR_PRED] = { .needs_left = 1 }, |
||||
[DC_PRED] = { .needs_top = 1, .needs_left = 1 }, |
||||
[DIAG_DOWN_LEFT_PRED] = { .needs_top = 1, .needs_topright = 1 }, |
||||
[DIAG_DOWN_RIGHT_PRED] = { .needs_left = 1, .needs_top = 1, |
||||
.needs_topleft = 1 }, |
||||
[VERT_RIGHT_PRED] = { .needs_left = 1, .needs_top = 1, |
||||
.needs_topleft = 1 }, |
||||
[HOR_DOWN_PRED] = { .needs_left = 1, .needs_top = 1, |
||||
.needs_topleft = 1 }, |
||||
[VERT_LEFT_PRED] = { .needs_top = 1, .needs_topright = 1 }, |
||||
[HOR_UP_PRED] = { .needs_left = 1, .invert_left = 1 }, |
||||
[TM_VP8_PRED] = { .needs_left = 1, .needs_top = 1, |
||||
.needs_topleft = 1 }, |
||||
[LEFT_DC_PRED] = { .needs_left = 1 }, |
||||
[TOP_DC_PRED] = { .needs_top = 1 }, |
||||
[DC_128_PRED] = { 0 }, |
||||
[DC_127_PRED] = { 0 }, |
||||
[DC_129_PRED] = { 0 } |
||||
}; |
||||
|
||||
av_assert2(mode >= 0 && mode < 10); |
||||
mode = mode_conv[mode][have_left][have_top]; |
||||
if (edges[mode].needs_top) { |
||||
uint8_t *top, *topleft; |
||||
int n_px_need = 4 << tx, n_px_have = (((s->cols - col) << !ss_h) - x) * 4; |
||||
int n_px_need_tr = 0; |
||||
|
||||
if (tx == TX_4X4 && edges[mode].needs_topright && have_right) |
||||
n_px_need_tr = 4; |
||||
|
||||
// if top of sb64-row, use s->intra_pred_data[] instead of
|
||||
// dst[-stride] for intra prediction (it contains pre- instead of
|
||||
// post-loopfilter data)
|
||||
if (have_top) { |
||||
top = !(row & 7) && !y ? |
||||
s->intra_pred_data[p] + (col * (8 >> ss_h) + x * 4) * bytesperpixel : |
||||
y == 0 ? &dst_edge[-stride_edge] : &dst_inner[-stride_inner]; |
||||
if (have_left) |
||||
topleft = !(row & 7) && !y ? |
||||
s->intra_pred_data[p] + (col * (8 >> ss_h) + x * 4) * bytesperpixel : |
||||
y == 0 || x == 0 ? &dst_edge[-stride_edge] : |
||||
&dst_inner[-stride_inner]; |
||||
} |
||||
|
||||
if (have_top && |
||||
(!edges[mode].needs_topleft || (have_left && top == topleft)) && |
||||
(tx != TX_4X4 || !edges[mode].needs_topright || have_right) && |
||||
n_px_need + n_px_need_tr <= n_px_have) { |
||||
*a = top; |
||||
} else { |
||||
if (have_top) { |
||||
if (n_px_need <= n_px_have) { |
||||
memcpy(*a, top, n_px_need * bytesperpixel); |
||||
} else { |
||||
#define memset_bpp(c, i1, v, i2, num) do { \ |
||||
if (bytesperpixel == 1) { \
|
||||
memset(&(c)[(i1)], (v)[(i2)], (num)); \
|
||||
} else { \
|
||||
int n, val = AV_RN16A(&(v)[(i2) * 2]); \
|
||||
for (n = 0; n < (num); n++) { \
|
||||
AV_WN16A(&(c)[((i1) + n) * 2], val); \
|
||||
} \
|
||||
} \
|
||||
} while (0) |
||||
memcpy(*a, top, n_px_have * bytesperpixel); |
||||
memset_bpp(*a, n_px_have, (*a), n_px_have - 1, n_px_need - n_px_have); |
||||
} |
||||
} else { |
||||
#define memset_val(c, val, num) do { \ |
||||
if (bytesperpixel == 1) { \
|
||||
memset((c), (val), (num)); \
|
||||
} else { \
|
||||
int n; \
|
||||
for (n = 0; n < (num); n++) { \
|
||||
AV_WN16A(&(c)[n * 2], (val)); \
|
||||
} \
|
||||
} \
|
||||
} while (0) |
||||
memset_val(*a, (128 << (bpp - 8)) - 1, n_px_need); |
||||
} |
||||
if (edges[mode].needs_topleft) { |
||||
if (have_left && have_top) { |
||||
#define assign_bpp(c, i1, v, i2) do { \ |
||||
if (bytesperpixel == 1) { \
|
||||
(c)[(i1)] = (v)[(i2)]; \
|
||||
} else { \
|
||||
AV_COPY16(&(c)[(i1) * 2], &(v)[(i2) * 2]); \
|
||||
} \
|
||||
} while (0) |
||||
assign_bpp(*a, -1, topleft, -1); |
||||
} else { |
||||
#define assign_val(c, i, v) do { \ |
||||
if (bytesperpixel == 1) { \
|
||||
(c)[(i)] = (v); \
|
||||
} else { \
|
||||
AV_WN16A(&(c)[(i) * 2], (v)); \
|
||||
} \
|
||||
} while (0) |
||||
assign_val((*a), -1, (128 << (bpp - 8)) + (have_top ? +1 : -1)); |
||||
} |
||||
} |
||||
if (tx == TX_4X4 && edges[mode].needs_topright) { |
||||
if (have_top && have_right && |
||||
n_px_need + n_px_need_tr <= n_px_have) { |
||||
memcpy(&(*a)[4 * bytesperpixel], &top[4 * bytesperpixel], 4 * bytesperpixel); |
||||
} else { |
||||
memset_bpp(*a, 4, *a, 3, 4); |
||||
} |
||||
} |
||||
} |
||||
} |
||||
if (edges[mode].needs_left) { |
||||
if (have_left) { |
||||
int n_px_need = 4 << tx, i, n_px_have = (((s->rows - row) << !ss_v) - y) * 4; |
||||
uint8_t *dst = x == 0 ? dst_edge : dst_inner; |
||||
ptrdiff_t stride = x == 0 ? stride_edge : stride_inner; |
||||
|
||||
if (edges[mode].invert_left) { |
||||
if (n_px_need <= n_px_have) { |
||||
for (i = 0; i < n_px_need; i++) |
||||
assign_bpp(l, i, &dst[i * stride], -1); |
||||
} else { |
||||
for (i = 0; i < n_px_have; i++) |
||||
assign_bpp(l, i, &dst[i * stride], -1); |
||||
memset_bpp(l, n_px_have, l, n_px_have - 1, n_px_need - n_px_have); |
||||
} |
||||
} else { |
||||
if (n_px_need <= n_px_have) { |
||||
for (i = 0; i < n_px_need; i++) |
||||
assign_bpp(l, n_px_need - 1 - i, &dst[i * stride], -1); |
||||
} else { |
||||
for (i = 0; i < n_px_have; i++) |
||||
assign_bpp(l, n_px_need - 1 - i, &dst[i * stride], -1); |
||||
memset_bpp(l, 0, l, n_px_need - n_px_have, n_px_need - n_px_have); |
||||
} |
||||
} |
||||
} else { |
||||
memset_val(l, (128 << (bpp - 8)) + 1, 4 << tx); |
||||
} |
||||
} |
||||
|
||||
return mode; |
||||
} |
||||
|
||||
static av_always_inline void intra_recon(AVCodecContext *avctx, ptrdiff_t y_off, |
||||
ptrdiff_t uv_off, int bytesperpixel) |
||||
{ |
||||
VP9Context *s = avctx->priv_data; |
||||
VP9Block *b = s->b; |
||||
int row = s->row, col = s->col; |
||||
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 = s->dst[0], *dst_r = s->s.frames[CUR_FRAME].tf.f->data[0] + y_off; |
||||
LOCAL_ALIGNED_32(uint8_t, a_buf, [96]); |
||||
LOCAL_ALIGNED_32(uint8_t, l, [64]); |
||||
|
||||
for (n = 0, y = 0; y < end_y; y += step1d) { |
||||
uint8_t *ptr = dst, *ptr_r = dst_r; |
||||
for (x = 0; x < end_x; x += step1d, ptr += 4 * step1d * bytesperpixel, |
||||
ptr_r += 4 * step1d * bytesperpixel, n += step) { |
||||
int mode = b->mode[b->bs > BS_8x8 && b->tx == TX_4X4 ? |
||||
y * 2 + x : 0]; |
||||
uint8_t *a = &a_buf[32]; |
||||
enum TxfmType txtp = ff_vp9_intra_txfm_type[mode]; |
||||
int eob = b->skip ? 0 : b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n]; |
||||
|
||||
mode = check_intra_mode(s, mode, &a, ptr_r, |
||||
s->s.frames[CUR_FRAME].tf.f->linesize[0], |
||||
ptr, s->y_stride, l, |
||||
col, x, w4, row, y, b->tx, 0, 0, 0, bytesperpixel); |
||||
s->dsp.intra_pred[b->tx][mode](ptr, s->y_stride, l, a); |
||||
if (eob) |
||||
s->dsp.itxfm_add[tx][txtp](ptr, s->y_stride, |
||||
s->block + 16 * n * bytesperpixel, eob); |
||||
} |
||||
dst_r += 4 * step1d * s->s.frames[CUR_FRAME].tf.f->linesize[0]; |
||||
dst += 4 * step1d * s->y_stride; |
||||
} |
||||
|
||||
// U/V
|
||||
w4 >>= s->ss_h; |
||||
end_x >>= s->ss_h; |
||||
end_y >>= s->ss_v; |
||||
step = 1 << (b->uvtx * 2); |
||||
for (p = 0; p < 2; p++) { |
||||
dst = s->dst[1 + p]; |
||||
dst_r = s->s.frames[CUR_FRAME].tf.f->data[1 + p] + uv_off; |
||||
for (n = 0, y = 0; y < end_y; y += uvstep1d) { |
||||
uint8_t *ptr = dst, *ptr_r = dst_r; |
||||
for (x = 0; x < end_x; x += uvstep1d, ptr += 4 * uvstep1d * bytesperpixel, |
||||
ptr_r += 4 * uvstep1d * bytesperpixel, n += step) { |
||||
int mode = b->uvmode; |
||||
uint8_t *a = &a_buf[32]; |
||||
int eob = b->skip ? 0 : b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n]) : s->uveob[p][n]; |
||||
|
||||
mode = check_intra_mode(s, mode, &a, ptr_r, |
||||
s->s.frames[CUR_FRAME].tf.f->linesize[1], |
||||
ptr, s->uv_stride, l, col, x, w4, row, y, |
||||
b->uvtx, p + 1, s->ss_h, s->ss_v, bytesperpixel); |
||||
s->dsp.intra_pred[b->uvtx][mode](ptr, s->uv_stride, l, a); |
||||
if (eob) |
||||
s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, s->uv_stride, |
||||
s->uvblock[p] + 16 * n * bytesperpixel, eob); |
||||
} |
||||
dst_r += 4 * uvstep1d * s->s.frames[CUR_FRAME].tf.f->linesize[1]; |
||||
dst += 4 * uvstep1d * s->uv_stride; |
||||
} |
||||
} |
||||
} |
||||
|
||||
void ff_vp9_intra_recon_8bpp(AVCodecContext *avctx, ptrdiff_t y_off, ptrdiff_t uv_off) |
||||
{ |
||||
intra_recon(avctx, y_off, uv_off, 1); |
||||
} |
||||
|
||||
void ff_vp9_intra_recon_16bpp(AVCodecContext *avctx, ptrdiff_t y_off, ptrdiff_t uv_off) |
||||
{ |
||||
intra_recon(avctx, y_off, uv_off, 2); |
||||
} |
||||
|
||||
static av_always_inline void mc_luma_unscaled(VP9Context *s, 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 *mv, |
||||
int bw, int bh, int w, int h, int bytesperpixel) |
||||
{ |
||||
int mx = mv->x, my = mv->y, th; |
||||
|
||||
y += my >> 3; |
||||
x += mx >> 3; |
||||
ref += y * ref_stride + x * bytesperpixel; |
||||
mx &= 7; |
||||
my &= 7; |
||||
// 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 + bh + 4 * !!my + 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
|
||||
// (!!my * 5) than horizontally (!!mx * 4).
|
||||
if (x < !!mx * 3 || y < !!my * 3 || |
||||
x + !!mx * 4 > w - bw || y + !!my * 5 > h - bh) { |
||||
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, |
||||
ref - !!my * 3 * ref_stride - !!mx * 3 * bytesperpixel, |
||||
160, ref_stride, |
||||
bw + !!mx * 7, bh + !!my * 7, |
||||
x - !!mx * 3, y - !!my * 3, w, h); |
||||
ref = s->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel; |
||||
ref_stride = 160; |
||||
} |
||||
mc[!!mx][!!my](dst, dst_stride, ref, ref_stride, bh, mx << 1, my << 1); |
||||
} |
||||
|
||||
static av_always_inline void mc_chroma_unscaled(VP9Context *s, 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 *mv, |
||||
int bw, int bh, int w, int h, int bytesperpixel) |
||||
{ |
||||
int mx = mv->x * (1 << !s->ss_h), my = mv->y * (1 << !s->ss_v), th; |
||||
|
||||
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; |
||||
// 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 + bh + 4 * !!my + 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
|
||||
// (!!my * 5) than horizontally (!!mx * 4).
|
||||
if (x < !!mx * 3 || y < !!my * 3 || |
||||
x + !!mx * 4 > w - bw || y + !!my * 5 > h - bh) { |
||||
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, |
||||
ref_u - !!my * 3 * src_stride_u - !!mx * 3 * bytesperpixel, |
||||
160, src_stride_u, |
||||
bw + !!mx * 7, bh + !!my * 7, |
||||
x - !!mx * 3, y - !!my * 3, w, h); |
||||
ref_u = s->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel; |
||||
mc[!!mx][!!my](dst_u, dst_stride, ref_u, 160, bh, mx, my); |
||||
|
||||
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, |
||||
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 = s->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(s, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, \ |
||||
px, py, pw, ph, bw, bh, w, h, i) \
|
||||
mc_luma_unscaled(s, s->dsp.mc, dst, dst_ls, src, src_ls, tref, row, col, \
|
||||
mv, bw, bh, w, h, bytesperpixel) |
||||
#define mc_chroma_dir(s, 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(s, 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(VP9Context *s, 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) |
||||
{ |
||||
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(s, 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(s->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 = s->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(VP9Context *s, 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) |
||||
{ |
||||
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(s, 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(s->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 = s->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(s->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 = s->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(s, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, \ |
||||
px, py, pw, ph, bw, bh, w, h, i) \
|
||||
mc_luma_scaled(s, 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(s, 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(s, 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(AVCodecContext *avctx, int bytesperpixel) |
||||
{ |
||||
VP9Context *s = avctx->priv_data; |
||||
VP9Block *b = s->b; |
||||
int row = s->row, col = s->col; |
||||
|
||||
if (s->mvscale[b->ref[0]][0] || (b->comp && s->mvscale[b->ref[1]][0])) { |
||||
if (bytesperpixel == 1) { |
||||
inter_pred_scaled_8bpp(avctx); |
||||
} else { |
||||
inter_pred_scaled_16bpp(avctx); |
||||
} |
||||
} else { |
||||
if (bytesperpixel == 1) { |
||||
inter_pred_8bpp(avctx); |
||||
} else { |
||||
inter_pred_16bpp(avctx); |
||||
} |
||||
} |
||||
|
||||
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 = s->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(&s->eob[n]) : s->eob[n]; |
||||
|
||||
if (eob) |
||||
s->dsp.itxfm_add[tx][DCT_DCT](ptr, s->y_stride, |
||||
s->block + 16 * n * bytesperpixel, eob); |
||||
} |
||||
dst += 4 * s->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 = s->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(&s->uveob[p][n]) : s->uveob[p][n]; |
||||
|
||||
if (eob) |
||||
s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, s->uv_stride, |
||||
s->uvblock[p] + 16 * n * bytesperpixel, eob); |
||||
} |
||||
dst += 4 * uvstep1d * s->uv_stride; |
||||
} |
||||
} |
||||
} |
||||
} |
||||
|
||||
void ff_vp9_inter_recon_8bpp(AVCodecContext *avctx) |
||||
{ |
||||
inter_recon(avctx, 1); |
||||
} |
||||
|
||||
void ff_vp9_inter_recon_16bpp(AVCodecContext *avctx) |
||||
{ |
||||
inter_recon(avctx, 2); |
||||
} |
||||
Loading…
Reference in new issue