/* * Copyright © 2020, VideoLAN and dav1d authors * Copyright © 2020, Two Orioles, LLC * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef DAV1D_SRC_REF_MVS_H #define DAV1D_SRC_REF_MVS_H #include #include "dav1d/headers.h" #include "common/intops.h" #include "src/intra_edge.h" #include "src/tables.h" #define INVALID_MV 0x80008000 PACKED(typedef struct refmvs_temporal_block { mv mv; int8_t ref; }) refmvs_temporal_block; CHECK_SIZE(refmvs_temporal_block, 5); PACKED(typedef union refmvs_refpair { int8_t ref[2]; // [0] = 0: intra=1, [1] = -1: comp=0 uint16_t pair; }) ALIGN(refmvs_refpair, 2); CHECK_SIZE(refmvs_refpair, 2); typedef union refmvs_mvpair { mv mv[2]; uint64_t n; } refmvs_mvpair; CHECK_SIZE(refmvs_mvpair, 8); PACKED(typedef struct refmvs_block { refmvs_mvpair mv; refmvs_refpair ref; uint8_t bs, mf; // 1 = globalmv+affine, 2 = newmv }) ALIGN(refmvs_block, 4); CHECK_SIZE(refmvs_block, 12); typedef struct refmvs_frame { const Dav1dFrameHeader *frm_hdr; int iw4, ih4, iw8, ih8; int sbsz; int use_ref_frame_mvs; uint8_t sign_bias[7], mfmv_sign[7]; int8_t pocdiff[7]; uint8_t mfmv_ref[3]; int mfmv_ref2cur[3]; int mfmv_ref2ref[3][7]; int n_mfmvs; int n_blocks; refmvs_temporal_block *rp; /*const*/ refmvs_temporal_block *const *rp_ref; refmvs_temporal_block *rp_proj; ptrdiff_t rp_stride; refmvs_block *r; // 35 x r_stride memory int n_tile_threads, n_frame_threads; } refmvs_frame; typedef struct refmvs_tile { const refmvs_frame *rf; refmvs_block *r[32 + 5]; refmvs_temporal_block *rp_proj; struct { int start, end; } tile_col, tile_row; } refmvs_tile; typedef struct refmvs_candidate { refmvs_mvpair mv; int weight; } refmvs_candidate; // initialize temporal MVs; this can be done in any configuration, e.g. one // tile/sbrow at a time, where col_{start,end}8 are the tile boundaries; or // it can just be for the whole frame's sbrow, where col_{start,end}8 are the // frame boundaries. row_{start,end}8 are the superblock row boundaries. #define decl_load_tmvs_fn(name) \ void (name)(const refmvs_frame *rf, int tile_row_idx, \ int col_start8, int col_end8, int row_start8, int row_end8) typedef decl_load_tmvs_fn(*load_tmvs_fn); #define decl_save_tmvs_fn(name) \ void (name)(refmvs_temporal_block *rp, const ptrdiff_t stride, \ refmvs_block *const *const rr, const uint8_t *const ref_sign, \ int col_end8, int row_end8, int col_start8, int row_start8) typedef decl_save_tmvs_fn(*save_tmvs_fn); #define decl_splat_mv_fn(name) \ void (name)(refmvs_block **rr, const refmvs_block *rmv, int bx4, int bw4, int bh4) typedef decl_splat_mv_fn(*splat_mv_fn); typedef struct Dav1dRefmvsDSPContext { load_tmvs_fn load_tmvs; save_tmvs_fn save_tmvs; splat_mv_fn splat_mv; } Dav1dRefmvsDSPContext; // call once per frame int dav1d_refmvs_init_frame(refmvs_frame *rf, const Dav1dSequenceHeader *seq_hdr, const Dav1dFrameHeader *frm_hdr, const unsigned ref_poc[7], refmvs_temporal_block *rp, const unsigned ref_ref_poc[7][7], /*const*/ refmvs_temporal_block *const rp_ref[7], int n_tile_threads, int n_frame_threads); // cache the current tile/sbrow (or frame/sbrow)'s projectable motion vectors // into buffers for use in future frame's temporal MV prediction static inline void dav1d_refmvs_save_tmvs(const Dav1dRefmvsDSPContext *const dsp, const refmvs_tile *const rt, const int col_start8, int col_end8, const int row_start8, int row_end8) { const refmvs_frame *const rf = rt->rf; assert(row_start8 >= 0); assert((unsigned) (row_end8 - row_start8) <= 16U); row_end8 = imin(row_end8, rf->ih8); col_end8 = imin(col_end8, rf->iw8); const ptrdiff_t stride = rf->rp_stride; const uint8_t *const ref_sign = rf->mfmv_sign; refmvs_temporal_block *rp = &rf->rp[row_start8 * stride]; dsp->save_tmvs(rp, stride, rt->r + 6, ref_sign, col_end8, row_end8, col_start8, row_start8); } // initialize tile boundaries and refmvs_block pointers for one tile/sbrow void dav1d_refmvs_tile_sbrow_init(refmvs_tile *rt, const refmvs_frame *rf, int tile_col_start4, int tile_col_end4, int tile_row_start4, int tile_row_end4, int sby, int tile_row_idx, int pass); // call for each block void dav1d_refmvs_find(const refmvs_tile *rt, refmvs_candidate mvstack[8], int *cnt, int *ctx, const refmvs_refpair ref, enum BlockSize bs, enum EdgeFlags edge_flags, int by4, int bx4); void dav1d_refmvs_dsp_init(Dav1dRefmvsDSPContext *dsp); void dav1d_refmvs_dsp_init_arm(Dav1dRefmvsDSPContext *dsp); void dav1d_refmvs_dsp_init_loongarch(Dav1dRefmvsDSPContext *dsp); void dav1d_refmvs_dsp_init_x86(Dav1dRefmvsDSPContext *dsp); #endif /* DAV1D_SRC_REF_MVS_H */