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+/*
+ * Copyright © 2018-2021, VideoLAN and dav1d authors
+ * Copyright © 2018, 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_INTERNAL_H
+#define DAV1D_SRC_INTERNAL_H
+
+#include <stdatomic.h>
+
+#include "dav1d/data.h"
+
+typedef struct Dav1dFrameContext Dav1dFrameContext;
+typedef struct Dav1dTileState Dav1dTileState;
+typedef struct Dav1dTaskContext Dav1dTaskContext;
+typedef struct Dav1dTask Dav1dTask;
+
+#include "common/attributes.h"
+
+#include "src/cdef.h"
+#include "src/cdf.h"
+#include "src/data.h"
+#include "src/env.h"
+#include "src/filmgrain.h"
+#include "src/intra_edge.h"
+#include "src/ipred.h"
+#include "src/itx.h"
+#include "src/levels.h"
+#include "src/lf_mask.h"
+#include "src/loopfilter.h"
+#include "src/looprestoration.h"
+#include "src/mc.h"
+#include "src/msac.h"
+#include "src/pal.h"
+#include "src/picture.h"
+#include "src/recon.h"
+#include "src/refmvs.h"
+#include "src/thread.h"
+
+typedef struct Dav1dDSPContext {
+ Dav1dFilmGrainDSPContext fg;
+ Dav1dIntraPredDSPContext ipred;
+ Dav1dMCDSPContext mc;
+ Dav1dInvTxfmDSPContext itx;
+ Dav1dLoopFilterDSPContext lf;
+ Dav1dCdefDSPContext cdef;
+ Dav1dLoopRestorationDSPContext lr;
+} Dav1dDSPContext;
+
+struct Dav1dTileGroup {
+ Dav1dData data;
+ int start, end;
+};
+
+enum TaskType {
+ DAV1D_TASK_TYPE_INIT,
+ DAV1D_TASK_TYPE_INIT_CDF,
+ DAV1D_TASK_TYPE_TILE_ENTROPY,
+ DAV1D_TASK_TYPE_ENTROPY_PROGRESS,
+ DAV1D_TASK_TYPE_TILE_RECONSTRUCTION,
+ DAV1D_TASK_TYPE_DEBLOCK_COLS,
+ DAV1D_TASK_TYPE_DEBLOCK_ROWS,
+ DAV1D_TASK_TYPE_CDEF,
+ DAV1D_TASK_TYPE_SUPER_RESOLUTION,
+ DAV1D_TASK_TYPE_LOOP_RESTORATION,
+ DAV1D_TASK_TYPE_RECONSTRUCTION_PROGRESS,
+ DAV1D_TASK_TYPE_FG_PREP,
+ DAV1D_TASK_TYPE_FG_APPLY,
+};
+
+struct Dav1dContext {
+ Dav1dFrameContext *fc;
+ unsigned n_fc;
+
+ Dav1dTaskContext *tc;
+ unsigned n_tc;
+
+ // cache of OBUs that make up a single frame before we submit them
+ // to a frame worker to be decoded
+ struct Dav1dTileGroup *tile;
+ int n_tile_data_alloc;
+ int n_tile_data;
+ int n_tiles;
+ Dav1dMemPool *seq_hdr_pool;
+ Dav1dRef *seq_hdr_ref;
+ Dav1dSequenceHeader *seq_hdr;
+ Dav1dMemPool *frame_hdr_pool;
+ Dav1dRef *frame_hdr_ref;
+ Dav1dFrameHeader *frame_hdr;
+
+ Dav1dRef *content_light_ref;
+ Dav1dContentLightLevel *content_light;
+ Dav1dRef *mastering_display_ref;
+ Dav1dMasteringDisplay *mastering_display;
+ Dav1dRef *itut_t35_ref;
+ Dav1dITUTT35 *itut_t35;
+ int n_itut_t35;
+
+ // decoded output picture queue
+ Dav1dData in;
+ Dav1dThreadPicture out, cache;
+ // dummy is a pointer to prevent compiler errors about atomic_load()
+ // not taking const arguments
+ atomic_int flush_mem, *flush;
+ struct {
+ Dav1dThreadPicture *out_delayed;
+ unsigned next;
+ } frame_thread;
+
+ // task threading (refer to tc[] for per_thread thingies)
+ struct TaskThreadData {
+ pthread_mutex_t lock;
+ pthread_cond_t cond;
+ atomic_uint first;
+ unsigned cur;
+ // This is used for delayed reset of the task cur pointer when
+ // such operation is needed but the thread doesn't enter a critical
+ // section (typically when executing the next sbrow task locklessly).
+ // See src/thread_task.c:reset_task_cur().
+ atomic_uint reset_task_cur;
+ atomic_int cond_signaled;
+ struct {
+ int exec, finished;
+ pthread_cond_t cond;
+ const Dav1dPicture *in;
+ Dav1dPicture *out;
+ enum TaskType type;
+ atomic_int progress[2]; /* [0]=started, [1]=completed */
+ union {
+ struct {
+ ALIGN(int8_t grain_lut_8bpc[3][GRAIN_HEIGHT + 1][GRAIN_WIDTH], 16);
+ ALIGN(uint8_t scaling_8bpc[3][256], 64);
+ };
+ struct {
+ ALIGN(int16_t grain_lut_16bpc[3][GRAIN_HEIGHT + 1][GRAIN_WIDTH], 16);
+ ALIGN(uint8_t scaling_16bpc[3][4096], 64);
+ };
+ };
+ } delayed_fg;
+ int inited;
+ } task_thread;
+
+ // reference/entropy state
+ Dav1dMemPool *segmap_pool;
+ Dav1dMemPool *refmvs_pool;
+ struct {
+ Dav1dThreadPicture p;
+ Dav1dRef *segmap;
+ Dav1dRef *refmvs;
+ unsigned refpoc[7];
+ } refs[8];
+ Dav1dMemPool *cdf_pool;
+ CdfThreadContext cdf[8];
+
+ Dav1dDSPContext dsp[3 /* 8, 10, 12 bits/component */];
+ Dav1dPalDSPContext pal_dsp;
+ Dav1dRefmvsDSPContext refmvs_dsp;
+
+ Dav1dPicAllocator allocator;
+ int apply_grain;
+ int operating_point;
+ unsigned operating_point_idc;
+ int all_layers;
+ int max_spatial_id;
+ unsigned frame_size_limit;
+ int strict_std_compliance;
+ int output_invisible_frames;
+ enum Dav1dInloopFilterType inloop_filters;
+ enum Dav1dDecodeFrameType decode_frame_type;
+ int drain;
+ enum PictureFlags frame_flags;
+ enum Dav1dEventFlags event_flags;
+ Dav1dDataProps cached_error_props;
+ int cached_error;
+
+ Dav1dLogger logger;
+
+ Dav1dMemPool *picture_pool;
+ Dav1dMemPool *pic_ctx_pool;
+};
+
+struct Dav1dTask {
+ unsigned frame_idx; // frame thread id
+ enum TaskType type; // task work
+ int sby; // sbrow
+
+ // task dependencies
+ int recon_progress, deblock_progress;
+ int deps_skip;
+ struct Dav1dTask *next; // only used in task queue
+};
+
+struct Dav1dFrameContext {
+ Dav1dRef *seq_hdr_ref;
+ Dav1dSequenceHeader *seq_hdr;
+ Dav1dRef *frame_hdr_ref;
+ Dav1dFrameHeader *frame_hdr;
+ Dav1dThreadPicture refp[7];
+ Dav1dPicture cur; // during block coding / reconstruction
+ Dav1dThreadPicture sr_cur; // after super-resolution upscaling
+ Dav1dRef *mvs_ref;
+ refmvs_temporal_block *mvs, *ref_mvs[7];
+ Dav1dRef *ref_mvs_ref[7];
+ Dav1dRef *cur_segmap_ref, *prev_segmap_ref;
+ uint8_t *cur_segmap;
+ const uint8_t *prev_segmap;
+ unsigned refpoc[7], refrefpoc[7][7];
+ uint8_t gmv_warp_allowed[7];
+ CdfThreadContext in_cdf, out_cdf;
+ struct Dav1dTileGroup *tile;
+ int n_tile_data_alloc;
+ int n_tile_data;
+
+ // for scalable references
+ struct ScalableMotionParams {
+ int scale; // if no scaling, this is 0
+ int step;
+ } svc[7][2 /* x, y */];
+ int resize_step[2 /* y, uv */], resize_start[2 /* y, uv */];
+
+ const Dav1dContext *c;
+ Dav1dTileState *ts;
+ int n_ts;
+ const Dav1dDSPContext *dsp;
+ struct {
+ recon_b_intra_fn recon_b_intra;
+ recon_b_inter_fn recon_b_inter;
+ filter_sbrow_fn filter_sbrow;
+ filter_sbrow_fn filter_sbrow_deblock_cols;
+ filter_sbrow_fn filter_sbrow_deblock_rows;
+ void (*filter_sbrow_cdef)(Dav1dTaskContext *tc, int sby);
+ filter_sbrow_fn filter_sbrow_resize;
+ filter_sbrow_fn filter_sbrow_lr;
+ backup_ipred_edge_fn backup_ipred_edge;
+ read_coef_blocks_fn read_coef_blocks;
+ copy_pal_block_fn copy_pal_block_y;
+ copy_pal_block_fn copy_pal_block_uv;
+ read_pal_plane_fn read_pal_plane;
+ read_pal_uv_fn read_pal_uv;
+ } bd_fn;
+
+ int ipred_edge_sz;
+ pixel *ipred_edge[3];
+ ptrdiff_t b4_stride;
+ int w4, h4, bw, bh, sb128w, sb128h, sbh, sb_shift, sb_step, sr_sb128w;
+ uint16_t dq[DAV1D_MAX_SEGMENTS][3 /* plane */][2 /* dc/ac */];
+ const uint8_t *qm[N_RECT_TX_SIZES][3 /* plane */];
+ BlockContext *a;
+ int a_sz /* w*tile_rows */;
+ refmvs_frame rf;
+ uint8_t jnt_weights[7][7];
+ int bitdepth_max;
+
+ struct {
+ int next_tile_row[2 /* 0: reconstruction, 1: entropy */];
+ atomic_int entropy_progress;
+ atomic_int deblock_progress; // in sby units
+ atomic_uint *frame_progress, *copy_lpf_progress;
+ // indexed using t->by * f->b4_stride + t->bx
+ Av1Block *b;
+ int16_t *cbi; /* bits 0-4: txtp, bits 5-15: eob */
+ // indexed using (t->by >> 1) * (f->b4_stride >> 1) + (t->bx >> 1)
+ pixel (*pal)[3 /* plane */][8 /* idx */];
+ // iterated over inside tile state
+ uint8_t *pal_idx;
+ coef *cf;
+ int prog_sz;
+ int cbi_sz, pal_sz, pal_idx_sz, cf_sz;
+ // start offsets per tile
+ unsigned *tile_start_off;
+ } frame_thread;
+
+ // loopfilter
+ struct {
+ uint8_t (*level)[4];
+ Av1Filter *mask;
+ Av1Restoration *lr_mask;
+ int mask_sz /* w*h */, lr_mask_sz;
+ int cdef_buf_plane_sz[2]; /* stride*sbh*4 */
+ int cdef_buf_sbh;
+ int lr_buf_plane_sz[2]; /* (stride*sbh*4) << sb128 if n_tc > 1, else stride*4 */
+ int re_sz /* h */;
+ ALIGN(Av1FilterLUT lim_lut, 16);
+ int last_sharpness;
+ uint8_t lvl[8 /* seg_id */][4 /* dir */][8 /* ref */][2 /* is_gmv */];
+ uint8_t *tx_lpf_right_edge[2];
+ uint8_t *cdef_line_buf, *lr_line_buf;
+ pixel *cdef_line[2 /* pre, post */][3 /* plane */];
+ pixel *cdef_lpf_line[3 /* plane */];
+ pixel *lr_lpf_line[3 /* plane */];
+
+ // in-loop filter per-frame state keeping
+ uint8_t *start_of_tile_row;
+ int start_of_tile_row_sz;
+ int need_cdef_lpf_copy;
+ pixel *p[3], *sr_p[3];
+ int restore_planes; // enum LrRestorePlanes
+ } lf;
+
+ struct {
+ pthread_mutex_t lock;
+ pthread_cond_t cond;
+ struct TaskThreadData *ttd;
+ struct Dav1dTask *tasks, *tile_tasks[2], init_task;
+ int num_tasks, num_tile_tasks;
+ atomic_int init_done;
+ atomic_int done[2];
+ int retval;
+ int update_set; // whether we need to update CDF reference
+ atomic_int error;
+ atomic_int task_counter;
+ struct Dav1dTask *task_head, *task_tail;
+ // Points to the task directly before the cur pointer in the queue.
+ // This cur pointer is theoretical here, we actually keep track of the
+ // "prev_t" variable. This is needed to not loose the tasks in
+ // [head;cur-1] when picking one for execution.
+ struct Dav1dTask *task_cur_prev;
+ struct { // async task insertion
+ atomic_int merge;
+ pthread_mutex_t lock;
+ Dav1dTask *head, *tail;
+ } pending_tasks;
+ } task_thread;
+
+ // threading (refer to tc[] for per-thread things)
+ struct FrameTileThreadData {
+ int (*lowest_pixel_mem)[7][2];
+ int lowest_pixel_mem_sz;
+ } tile_thread;
+};
+
+struct Dav1dTileState {
+ CdfContext cdf;
+ MsacContext msac;
+
+ struct {
+ int col_start, col_end, row_start, row_end; // in 4px units
+ int col, row; // in tile units
+ } tiling;
+
+ // in sby units, TILE_ERROR after a decoding error
+ atomic_int progress[2 /* 0: reconstruction, 1: entropy */];
+ struct {
+ uint8_t *pal_idx;
+ int16_t *cbi;
+ coef *cf;
+ } frame_thread[2 /* 0: reconstruction, 1: entropy */];
+
+ // in fullpel units, [0] = Y, [1] = UV, used for progress requirements
+ // each entry is one tile-sbrow; middle index is refidx
+ int (*lowest_pixel)[7][2];
+
+ uint16_t dqmem[DAV1D_MAX_SEGMENTS][3 /* plane */][2 /* dc/ac */];
+ const uint16_t (*dq)[3][2];
+ int last_qidx;
+
+ int8_t last_delta_lf[4];
+ uint8_t lflvlmem[8 /* seg_id */][4 /* dir */][8 /* ref */][2 /* is_gmv */];
+ const uint8_t (*lflvl)[4][8][2];
+
+ Av1RestorationUnit *lr_ref[3];
+};
+
+struct Dav1dTaskContext {
+ const Dav1dContext *c;
+ const Dav1dFrameContext *f;
+ Dav1dTileState *ts;
+ int bx, by;
+ BlockContext l, *a;
+ refmvs_tile rt;
+ ALIGN(union, 64) {
+ int16_t cf_8bpc [32 * 32];
+ int32_t cf_16bpc[32 * 32];
+ };
+ union {
+ uint8_t al_pal_8bpc [2 /* a/l */][32 /* bx/y4 */][3 /* plane */][8 /* palette_idx */];
+ uint16_t al_pal_16bpc[2 /* a/l */][32 /* bx/y4 */][3 /* plane */][8 /* palette_idx */];
+ };
+ uint8_t pal_sz_uv[2 /* a/l */][32 /* bx4/by4 */];
+ ALIGN(union, 64) {
+ struct {
+ union {
+ uint8_t lap_8bpc [128 * 32];
+ uint16_t lap_16bpc[128 * 32];
+ struct {
+ int16_t compinter[2][128 * 128];
+ uint8_t seg_mask[128 * 128];
+ };
+ };
+ union {
+ // stride=192 for non-SVC, or 320 for SVC
+ uint8_t emu_edge_8bpc [320 * (256 + 7)];
+ uint16_t emu_edge_16bpc[320 * (256 + 7)];
+ };
+ };
+ struct {
+ union {
+ uint8_t levels[32 * 34];
+ struct {
+ uint8_t pal_order[64][8];
+ uint8_t pal_ctx[64];
+ };
+ };
+ union {
+ int16_t ac[32 * 32]; // intra-only
+ uint8_t txtp_map[32 * 32]; // inter-only
+ };
+ uint8_t pal_idx_y[32 * 64];
+ uint8_t pal_idx_uv[64 * 64]; /* also used as pre-pack scratch buffer */
+ union {
+ struct {
+ uint8_t interintra_8bpc[64 * 64];
+ uint8_t edge_8bpc[257];
+ ALIGN(uint8_t pal_8bpc[3 /* plane */][8 /* palette_idx */], 8);
+ };
+ struct {
+ uint16_t interintra_16bpc[64 * 64];
+ uint16_t edge_16bpc[257];
+ ALIGN(uint16_t pal_16bpc[3 /* plane */][8 /* palette_idx */], 16);
+ };
+ };
+ };
+ } scratch;
+
+ Dav1dWarpedMotionParams warpmv;
+ Av1Filter *lf_mask;
+ int top_pre_cdef_toggle;
+ int8_t *cur_sb_cdef_idx_ptr;
+ // for chroma sub8x8, we need to know the filter for all 4 subblocks in
+ // a 4x4 area, but the top/left one can go out of cache already, so this
+ // keeps it accessible
+ enum Filter2d tl_4x4_filter;
+
+ struct {
+ int pass;
+ } frame_thread;
+ struct {
+ struct thread_data td;
+ struct TaskThreadData *ttd;
+ struct FrameTileThreadData *fttd;
+ int flushed;
+ int die;
+ } task_thread;
+};
+
+#endif /* DAV1D_SRC_INTERNAL_H */
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