diff options
Diffstat (limited to 'media/ffvpx/libavcodec/vp9recon.c')
| -rw-r--r-- | media/ffvpx/libavcodec/vp9recon.c | 644 |
1 files changed, 644 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/vp9recon.c b/media/ffvpx/libavcodec/vp9recon.c new file mode 100644 index 000000000..49bb04e1f --- /dev/null +++ b/media/ffvpx/libavcodec/vp9recon.c @@ -0,0 +1,644 @@ +/* + * 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(VP9TileData *td, 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) +{ + VP9Context *s = td->s; + int have_top = row > 0 || y > 0; + int have_left = col > td->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(VP9TileData *td, ptrdiff_t y_off, + ptrdiff_t uv_off, int bytesperpixel) +{ + VP9Context *s = td->s; + VP9Block *b = td->b; + int row = td->row, col = td->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 = td->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(&td->eob[n]) : td->eob[n]; + + mode = check_intra_mode(td, mode, &a, ptr_r, + s->s.frames[CUR_FRAME].tf.f->linesize[0], + ptr, td->y_stride, l, + col, x, w4, row, y, b->tx, 0, 0, 0, bytesperpixel); + s->dsp.intra_pred[b->tx][mode](ptr, td->y_stride, l, a); + if (eob) + s->dsp.itxfm_add[tx][txtp](ptr, td->y_stride, + td->block + 16 * n * bytesperpixel, eob); + } + dst_r += 4 * step1d * s->s.frames[CUR_FRAME].tf.f->linesize[0]; + dst += 4 * step1d * td->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 = td->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(&td->uveob[p][n]) : td->uveob[p][n]; + + mode = check_intra_mode(td, mode, &a, ptr_r, + s->s.frames[CUR_FRAME].tf.f->linesize[1], + ptr, td->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, td->uv_stride, l, a); + if (eob) + s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, td->uv_stride, + td->uvblock[p] + 16 * n * bytesperpixel, eob); + } + dst_r += 4 * uvstep1d * s->s.frames[CUR_FRAME].tf.f->linesize[1]; + dst += 4 * uvstep1d * td->uv_stride; + } + } +} + +void ff_vp9_intra_recon_8bpp(VP9TileData *td, ptrdiff_t y_off, ptrdiff_t uv_off) +{ + intra_recon(td, y_off, uv_off, 1); +} + +void ff_vp9_intra_recon_16bpp(VP9TileData *td, ptrdiff_t y_off, ptrdiff_t uv_off) +{ + intra_recon(td, y_off, uv_off, 2); +} + +static av_always_inline void mc_luma_unscaled(VP9TileData *td, 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) +{ + VP9Context *s = td->s; + 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(td->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 = td->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(VP9TileData *td, 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) +{ + VP9Context *s = td->s; + 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(td->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 = td->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(td->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 = 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] || (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); +} |