Skip to content

F
ffmpeg
Commit 6d0d1c4a authored by Ronald S. Bultje's avatar Ronald S. Bultje
Browse files
Options

vp9: split out reconstruction functions in their own source file.

parent b823bbc1
Show whitespace changes
Inline Side-by-side
Showing with 674 additions and 634 deletions
libavcodec/Makefile
View file @ 6d0d1c4a
...@@ -610,7 +610,7 @@ OBJS-$(CONFIG_VP8_DECODER) += vp8.o vp56rac.o ...@@ -610,7 +610,7 @@ OBJS-$(CONFIG_VP8_DECODER) += vp8.o vp56rac.o
OBJS-$(CONFIG_VP8_CUVID_DECODER) += cuvid.o OBJS-$(CONFIG_VP8_CUVID_DECODER) += cuvid.o
OBJS-$(CONFIG_VP8_MEDIACODEC_DECODER) += mediacodecdec.o OBJS-$(CONFIG_VP8_MEDIACODEC_DECODER) += mediacodecdec.o
OBJS-$(CONFIG_VP8_VAAPI_ENCODER) += vaapi_encode_vp8.o OBJS-$(CONFIG_VP8_VAAPI_ENCODER) += vaapi_encode_vp8.o
OBJS-$(CONFIG_VP9_DECODER) += vp9.o vp9data.o vp9dsp.o vp9lpf.o \ OBJS-$(CONFIG_VP9_DECODER) += vp9.o vp9data.o vp9dsp.o vp9lpf.o vp9recon.o \
vp9block.o vp9prob.o vp9mvs.o vp56rac.o \ vp9block.o vp9prob.o vp9mvs.o vp56rac.o \
vp9dsp_8bpp.o vp9dsp_10bpp.o vp9dsp_12bpp.o vp9dsp_8bpp.o vp9dsp_10bpp.o vp9dsp_12bpp.o
OBJS-$(CONFIG_VP9_CUVID_DECODER) += cuvid.o OBJS-$(CONFIG_VP9_CUVID_DECODER) += cuvid.o
......
libavcodec/vp9_mc_template.c
View file @ 6d0d1c4a
...@@ -405,8 +405,10 @@ static void FN(inter_pred)(AVCodecContext *avctx) ...@@ -405,8 +405,10 @@ static void FN(inter_pred)(AVCodecContext *avctx)
} }
} else { } else {
int bwl = bwlog_tab[0][b->bs]; int bwl = bwlog_tab[0][b->bs];
int bw = bwh_tab[0][b->bs][0] * 4, bh = bwh_tab[0][b->bs][1] * 4; int bw = ff_vp9_bwh_tab[0][b->bs][0] * 4;
int uvbw = bwh_tab[s->ss_h][b->bs][0] * 4, uvbh = bwh_tab[s->ss_v][b->bs][1] * 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(s, mc[bwl][b->filter][0], s->dst[0], ls_y, mc_luma_dir(s, mc[bwl][b->filter][0], s->dst[0], ls_y,
ref1->data[0], ref1->linesize[0], tref1, ref1->data[0], ref1->linesize[0], tref1,
......
libavcodec/vp9block.c
View file @ 6d0d1c4a
...@@ -31,16 +31,6 @@ ...@@ -31,16 +31,6 @@
#include "vp9data.h" #include "vp9data.h"
#include "vp9dec.h" #include "vp9dec.h"
static const uint8_t bwh_tab[2][N_BS_SIZES][2] = {
{
{ 16, 16 }, { 16, 8 }, { 8, 16 }, { 8, 8 }, { 8, 4 }, { 4, 8 },
{ 4, 4 }, { 4, 2 }, { 2, 4 }, { 2, 2 }, { 2, 1 }, { 1, 2 }, { 1, 1 },
}, {
{ 8, 8 }, { 8, 4 }, { 4, 8 }, { 4, 4 }, { 4, 2 }, { 2, 4 },
{ 2, 2 }, { 2, 1 }, { 1, 2 }, { 1, 1 }, { 1, 1 }, { 1, 1 }, { 1, 1 },
}
};
static av_always_inline void setctx_2d(uint8_t *ptr, int w, int h, static av_always_inline void setctx_2d(uint8_t *ptr, int w, int h,
ptrdiff_t stride, int v) ptrdiff_t stride, int v)
{ {
...@@ -103,8 +93,8 @@ static void decode_mode(AVCodecContext *avctx) ...@@ -103,8 +93,8 @@ static void decode_mode(AVCodecContext *avctx)
VP9Block *b = s->b; VP9Block *b = s->b;
int row = s->row, col = s->col, row7 = s->row7; int row = s->row, col = s->col, row7 = s->row7;
enum TxfmMode max_tx = max_tx_for_bl_bp[b->bs]; enum TxfmMode max_tx = max_tx_for_bl_bp[b->bs];
int bw4 = bwh_tab[1][b->bs][0], w4 = FFMIN(s->cols - col, bw4); int bw4 = ff_vp9_bwh_tab[1][b->bs][0], w4 = FFMIN(s->cols - col, bw4);
int bh4 = bwh_tab[1][b->bs][1], h4 = FFMIN(s->rows - row, bh4), y; int bh4 = ff_vp9_bwh_tab[1][b->bs][1], h4 = FFMIN(s->rows - row, bh4), y;
int have_a = row > 0, have_l = col > s->tile_col_start; int have_a = row > 0, have_l = col > s->tile_col_start;
int vref, filter_id; int vref, filter_id;
...@@ -272,8 +262,8 @@ static void decode_mode(AVCodecContext *avctx) ...@@ -272,8 +262,8 @@ static void decode_mode(AVCodecContext *avctx)
b->mode[2] = b->mode[2] =
b->mode[1] = b->mode[0]; b->mode[1] = b->mode[0];
// FIXME this can probably be optimized // FIXME this can probably be optimized
memset(a, b->mode[0], bwh_tab[0][b->bs][0]); memset(a, b->mode[0], ff_vp9_bwh_tab[0][b->bs][0]);
memset(l, b->mode[0], bwh_tab[0][b->bs][1]); memset(l, b->mode[0], ff_vp9_bwh_tab[0][b->bs][1]);
} }
b->uvmode = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree, b->uvmode = vp8_rac_get_tree(&s->c, ff_vp9_intramode_tree,
ff_vp9_default_kf_uvmode_probs[b->mode[3]]); ff_vp9_default_kf_uvmode_probs[b->mode[3]]);
...@@ -725,7 +715,7 @@ static void decode_mode(AVCodecContext *avctx) ...@@ -725,7 +715,7 @@ static void decode_mode(AVCodecContext *avctx)
} }
#endif #endif
switch (bwh_tab[1][b->bs][0]) { switch (ff_vp9_bwh_tab[1][b->bs][0]) {
#define SET_CTXS(dir, off, n) \ #define SET_CTXS(dir, off, n) \
do { \ do { \
SPLAT_CTX(s->dir##_skip_ctx[off], b->skip, n); \ SPLAT_CTX(s->dir##_skip_ctx[off], b->skip, n); \
...@@ -748,7 +738,7 @@ static void decode_mode(AVCodecContext *avctx) ...@@ -748,7 +738,7 @@ static void decode_mode(AVCodecContext *avctx)
case 4: SET_CTXS(above, col, 4); break; case 4: SET_CTXS(above, col, 4); break;
case 8: SET_CTXS(above, col, 8); break; case 8: SET_CTXS(above, col, 8); break;
} }
switch (bwh_tab[1][b->bs][1]) { switch (ff_vp9_bwh_tab[1][b->bs][1]) {
case 1: SET_CTXS(left, row7, 1); break; case 1: SET_CTXS(left, row7, 1); break;
case 2: SET_CTXS(left, row7, 2); break; case 2: SET_CTXS(left, row7, 2); break;
case 4: SET_CTXS(left, row7, 4); break; case 4: SET_CTXS(left, row7, 4); break;
...@@ -983,7 +973,7 @@ static av_always_inline int decode_coeffs(AVCodecContext *avctx, int is8bitsperp ...@@ -983,7 +973,7 @@ static av_always_inline int decode_coeffs(AVCodecContext *avctx, int is8bitsperp
uint8_t (*p)[6][11] = s->prob.coef[b->tx][0 /* y */][!b->intra]; uint8_t (*p)[6][11] = s->prob.coef[b->tx][0 /* y */][!b->intra];
unsigned (*c)[6][3] = s->counts.coef[b->tx][0 /* y */][!b->intra]; unsigned (*c)[6][3] = s->counts.coef[b->tx][0 /* y */][!b->intra];
unsigned (*e)[6][2] = s->counts.eob[b->tx][0 /* y */][!b->intra]; unsigned (*e)[6][2] = s->counts.eob[b->tx][0 /* y */][!b->intra];
int w4 = bwh_tab[1][b->bs][0] << 1, h4 = bwh_tab[1][b->bs][1] << 1; int w4 = ff_vp9_bwh_tab[1][b->bs][0] << 1, h4 = ff_vp9_bwh_tab[1][b->bs][1] << 1;
int end_x = FFMIN(2 * (s->cols - col), w4); int end_x = FFMIN(2 * (s->cols - col), w4);
int end_y = FFMIN(2 * (s->rows - row), h4); int end_y = FFMIN(2 * (s->rows - row), h4);
int n, pl, x, y, ret; int n, pl, x, y, ret;
...@@ -1152,615 +1142,6 @@ static int decode_coeffs_16bpp(AVCodecContext *avctx) ...@@ -1152,615 +1142,6 @@ static int decode_coeffs_16bpp(AVCodecContext *avctx)
return decode_coeffs(avctx, 0); return decode_coeffs(avctx, 0);
} }
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 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
int h4 = 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;
}
}
}
static void intra_recon_8bpp(AVCodecContext *avctx, ptrdiff_t y_off, ptrdiff_t uv_off)
{
intra_recon(avctx, y_off, uv_off, 1);
}
static void 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 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
int h4 = 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;
}
}
}
}
static void inter_recon_8bpp(AVCodecContext *avctx)
{
inter_recon(avctx, 1);
}
static void inter_recon_16bpp(AVCodecContext *avctx)
{
inter_recon(avctx, 2);
}
static av_always_inline void mask_edges(uint8_t (*mask)[8][4], int ss_h, int ss_v, static av_always_inline void mask_edges(uint8_t (*mask)[8][4], int ss_h, int ss_v,
int row_and_7, int col_and_7, int row_and_7, int col_and_7,
int w, int h, int col_end, int row_end, int w, int h, int col_end, int row_end,
...@@ -1891,7 +1272,7 @@ void ff_vp9_decode_block(AVCodecContext *avctx, int row, int col, ...@@ -1891,7 +1272,7 @@ void ff_vp9_decode_block(AVCodecContext *avctx, int row, int col,
VP9Block *b = s->b; VP9Block *b = s->b;
enum BlockSize bs = bl * 3 + bp; enum BlockSize bs = bl * 3 + bp;
int bytesperpixel = s->bytesperpixel; int bytesperpixel = s->bytesperpixel;
int w4 = bwh_tab[1][bs][0], h4 = bwh_tab[1][bs][1], lvl; int w4 = ff_vp9_bwh_tab[1][bs][0], h4 = ff_vp9_bwh_tab[1][bs][1], lvl;
int emu[2]; int emu[2];
AVFrame *f = s->s.frames[CUR_FRAME].tf.f; AVFrame *f = s->s.frames[CUR_FRAME].tf.f;
...@@ -2001,15 +1382,15 @@ void ff_vp9_decode_block(AVCodecContext *avctx, int row, int col, ...@@ -2001,15 +1382,15 @@ void ff_vp9_decode_block(AVCodecContext *avctx, int row, int col,
} }
if (b->intra) { if (b->intra) {
if (s->s.h.bpp > 8) { if (s->s.h.bpp > 8) {
intra_recon_16bpp(avctx, yoff, uvoff); ff_vp9_intra_recon_16bpp(avctx, yoff, uvoff);
} else { } else {
intra_recon_8bpp(avctx, yoff, uvoff); ff_vp9_intra_recon_8bpp(avctx, yoff, uvoff);
} }
} else { } else {
if (s->s.h.bpp > 8) { if (s->s.h.bpp > 8) {
inter_recon_16bpp(avctx); ff_vp9_inter_recon_16bpp(avctx);
} else { } else {
inter_recon_8bpp(avctx); ff_vp9_inter_recon_8bpp(avctx);
} }
} }
if (emu[0]) { if (emu[0]) {
......
libavcodec/vp9data.c
View file @ 6d0d1c4a
...@@ -22,6 +22,16 @@ ...@@ -22,6 +22,16 @@
#include "vp9.h" #include "vp9.h"
#include "vp9data.h" #include "vp9data.h"
const uint8_t ff_vp9_bwh_tab[2][N_BS_SIZES][2] = {
{
{ 16, 16 }, { 16, 8 }, { 8, 16 }, { 8, 8 }, { 8, 4 }, { 4, 8 },
{ 4, 4 }, { 4, 2 }, { 2, 4 }, { 2, 2 }, { 2, 1 }, { 1, 2 }, { 1, 1 },
}, {
{ 8, 8 }, { 8, 4 }, { 4, 8 }, { 4, 4 }, { 4, 2 }, { 2, 4 },
{ 2, 2 }, { 2, 1 }, { 1, 2 }, { 1, 1 }, { 1, 1 }, { 1, 1 }, { 1, 1 },
}
};
const int8_t ff_vp9_partition_tree[3][2] = { const int8_t ff_vp9_partition_tree[3][2] = {
{ -PARTITION_NONE, 1 }, // '0' { -PARTITION_NONE, 1 }, // '0'
{ -PARTITION_H, 2 }, // '10' { -PARTITION_H, 2 }, // '10'
......
libavcodec/vp9data.h
View file @ 6d0d1c4a
...@@ -26,6 +26,7 @@ ...@@ -26,6 +26,7 @@
#include "vp9dec.h" #include "vp9dec.h"
extern const uint8_t ff_vp9_bwh_tab[2][N_BS_SIZES][2];
extern const int8_t ff_vp9_partition_tree[3][2]; extern const int8_t ff_vp9_partition_tree[3][2];
extern const uint8_t ff_vp9_default_kf_partition_probs[4][4][3]; extern const uint8_t ff_vp9_default_kf_partition_probs[4][4][3];
extern const int8_t ff_vp9_segmentation_tree[7][2]; extern const int8_t ff_vp9_segmentation_tree[7][2];
......
libavcodec/vp9dec.h
View file @ 6d0d1c4a
...@@ -206,4 +206,11 @@ void ff_vp9_decode_block(AVCodecContext *ctx, int row, int col, ...@@ -206,4 +206,11 @@ void ff_vp9_decode_block(AVCodecContext *ctx, int row, int col,
void ff_vp9_loopfilter_sb(AVCodecContext *avctx, VP9Filter *lflvl, void ff_vp9_loopfilter_sb(AVCodecContext *avctx, VP9Filter *lflvl,
int row, int col, ptrdiff_t yoff, ptrdiff_t uvoff); int row, int col, ptrdiff_t yoff, ptrdiff_t uvoff);
void ff_vp9_intra_recon_8bpp(AVCodecContext *avctx,
ptrdiff_t y_off, ptrdiff_t uv_off);
void ff_vp9_intra_recon_16bpp(AVCodecContext *avctx,
ptrdiff_t y_off, ptrdiff_t uv_off);
void ff_vp9_inter_recon_8bpp(AVCodecContext *avctx);
void ff_vp9_inter_recon_16bpp(AVCodecContext *avctx);
#endif /* AVCODEC_VP9DEC_H */ #endif /* AVCODEC_VP9DEC_H */
libavcodec/vp9recon.c 0 → 100644
View file @ 6d0d1c4a
/*
* 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);
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment