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Diffstat (limited to 'third_party/aom/av1/common/onyxc_int.h')
| -rw-r--r-- | third_party/aom/av1/common/onyxc_int.h | 1027 |
1 files changed, 1027 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/onyxc_int.h b/third_party/aom/av1/common/onyxc_int.h new file mode 100644 index 000000000..7980bde39 --- /dev/null +++ b/third_party/aom/av1/common/onyxc_int.h @@ -0,0 +1,1027 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#ifndef AV1_COMMON_ONYXC_INT_H_ +#define AV1_COMMON_ONYXC_INT_H_ + +#include "./aom_config.h" +#include "./av1_rtcd.h" +#include "aom/internal/aom_codec_internal.h" +#include "aom_util/aom_thread.h" +#if CONFIG_ANS +#include "aom_dsp/ans.h" +#endif +#include "av1/common/alloccommon.h" +#include "av1/common/av1_loopfilter.h" +#include "av1/common/entropy.h" +#include "av1/common/entropymode.h" +#include "av1/common/entropymv.h" +#include "av1/common/frame_buffers.h" +#include "av1/common/mv.h" +#include "av1/common/quant_common.h" +#if CONFIG_LOOP_RESTORATION +#include "av1/common/restoration.h" +#endif // CONFIG_LOOP_RESTORATION +#include "av1/common/tile_common.h" +#include "av1/common/odintrin.h" +#if CONFIG_PVQ +#include "av1/common/pvq.h" +#endif +#if CONFIG_CFL +#include "av1/common/cfl.h" +#endif +#ifdef __cplusplus +extern "C" { +#endif + +#define CDEF_MAX_STRENGTHS 16 + +#define REF_FRAMES_LOG2 3 +#define REF_FRAMES (1 << REF_FRAMES_LOG2) + +// 4 scratch frames for the new frames to support a maximum of 4 cores decoding +// in parallel, 3 for scaled references on the encoder. +// TODO(hkuang): Add ondemand frame buffers instead of hardcoding the number +// of framebuffers. +// TODO(jkoleszar): These 3 extra references could probably come from the +// normal reference pool. +#define FRAME_BUFFERS (REF_FRAMES + 7) + +#if CONFIG_REFERENCE_BUFFER +/* Constant values while waiting for the sequence header */ +#define FRAME_ID_NUMBERS_PRESENT_FLAG 1 +#define FRAME_ID_LENGTH_MINUS7 8 // Allows frame id up to 2^15-1 +#define DELTA_FRAME_ID_LENGTH_MINUS2 12 // Allows frame id deltas up to 2^14-1 +#endif + +#if CONFIG_EXT_REFS +#define FRAME_CONTEXTS_LOG2 3 +#else +#define FRAME_CONTEXTS_LOG2 2 +#endif + +#define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2) + +#define NUM_PING_PONG_BUFFERS 2 + +typedef enum { + SINGLE_REFERENCE = 0, + COMPOUND_REFERENCE = 1, + REFERENCE_MODE_SELECT = 2, + REFERENCE_MODES = 3, +} REFERENCE_MODE; + +typedef enum { + RESET_FRAME_CONTEXT_NONE = 0, + RESET_FRAME_CONTEXT_CURRENT = 1, + RESET_FRAME_CONTEXT_ALL = 2, +} RESET_FRAME_CONTEXT_MODE; + +typedef enum { + /** + * Update frame context to values resulting from forward probability + * updates signaled in the frame header + */ + REFRESH_FRAME_CONTEXT_FORWARD, + /** + * Update frame context to values resulting from backward probability + * updates based on entropy/counts in the decoded frame + */ + REFRESH_FRAME_CONTEXT_BACKWARD, +} REFRESH_FRAME_CONTEXT_MODE; + +typedef struct { + int_mv mv[2]; +#if CONFIG_REF_MV + int_mv pred_mv[2]; +#endif + MV_REFERENCE_FRAME ref_frame[2]; +} MV_REF; + +typedef struct { + int ref_count; + MV_REF *mvs; + int mi_rows; + int mi_cols; +#if CONFIG_GLOBAL_MOTION + WarpedMotionParams global_motion[TOTAL_REFS_PER_FRAME]; +#endif // CONFIG_GLOBAL_MOTION + aom_codec_frame_buffer_t raw_frame_buffer; + YV12_BUFFER_CONFIG buf; +#if CONFIG_TEMPMV_SIGNALING + uint8_t intra_only; +#endif + // The Following variables will only be used in frame parallel decode. + + // frame_worker_owner indicates which FrameWorker owns this buffer. NULL means + // that no FrameWorker owns, or is decoding, this buffer. + AVxWorker *frame_worker_owner; + + // row and col indicate which position frame has been decoded to in real + // pixel unit. They are reset to -1 when decoding begins and set to INT_MAX + // when the frame is fully decoded. + int row; + int col; +} RefCntBuffer; + +typedef struct BufferPool { +// Protect BufferPool from being accessed by several FrameWorkers at +// the same time during frame parallel decode. +// TODO(hkuang): Try to use atomic variable instead of locking the whole pool. +#if CONFIG_MULTITHREAD + pthread_mutex_t pool_mutex; +#endif + + // Private data associated with the frame buffer callbacks. + void *cb_priv; + + aom_get_frame_buffer_cb_fn_t get_fb_cb; + aom_release_frame_buffer_cb_fn_t release_fb_cb; + + RefCntBuffer frame_bufs[FRAME_BUFFERS]; + + // Frame buffers allocated internally by the codec. + InternalFrameBufferList int_frame_buffers; +} BufferPool; + +typedef struct AV1Common { + struct aom_internal_error_info error; + aom_color_space_t color_space; + int color_range; + int width; + int height; + int render_width; + int render_height; + int last_width; + int last_height; + +#if CONFIG_FRAME_SUPERRES + // The numerator of the superres scale, the denominator is fixed + uint8_t superres_scale_numerator; + int superres_width, superres_height; +#endif // CONFIG_FRAME_SUPERRES + + // TODO(jkoleszar): this implies chroma ss right now, but could vary per + // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to + // support additional planes. + int subsampling_x; + int subsampling_y; + +#if CONFIG_HIGHBITDEPTH + // Marks if we need to use 16bit frame buffers (1: yes, 0: no). + int use_highbitdepth; +#endif + YV12_BUFFER_CONFIG *frame_to_show; + RefCntBuffer *prev_frame; + + // TODO(hkuang): Combine this with cur_buf in macroblockd. + RefCntBuffer *cur_frame; + + int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */ + + // Prepare ref_frame_map for the next frame. + // Only used in frame parallel decode. + int next_ref_frame_map[REF_FRAMES]; + + // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and + // roll new_fb_idx into it. + + // Each Inter frame can reference INTER_REFS_PER_FRAME buffers + RefBuffer frame_refs[INTER_REFS_PER_FRAME]; + + int new_fb_idx; + + FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/ + FRAME_TYPE frame_type; + + int show_frame; + int last_show_frame; + int show_existing_frame; +#if CONFIG_EXT_REFS + // Flag for a frame used as a reference - not written to the bitstream + int is_reference_frame; +#endif // CONFIG_EXT_REFS + + // Flag signaling that the frame is encoded using only INTRA modes. + uint8_t intra_only; + uint8_t last_intra_only; + + int allow_high_precision_mv; + +#if CONFIG_PALETTE + int allow_screen_content_tools; +#endif // CONFIG_PALETTE + + // Flag signaling which frame contexts should be reset to default values. + RESET_FRAME_CONTEXT_MODE reset_frame_context; + + // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in + // MODE_INFO (8-pixel) units. + int MBs; + int mb_rows, mi_rows; + int mb_cols, mi_cols; + int mi_stride; + + /* profile settings */ + TX_MODE tx_mode; + + int base_qindex; + int y_dc_delta_q; + int uv_dc_delta_q; + int uv_ac_delta_q; + int16_t y_dequant[MAX_SEGMENTS][2]; + int16_t uv_dequant[MAX_SEGMENTS][2]; + +#if CONFIG_AOM_QM + // Global quant matrix tables + qm_val_t *giqmatrix[NUM_QM_LEVELS][2][2][TX_SIZES]; + qm_val_t *gqmatrix[NUM_QM_LEVELS][2][2][TX_SIZES]; + + // Local quant matrix tables for each frame + qm_val_t *y_iqmatrix[MAX_SEGMENTS][2][TX_SIZES]; + qm_val_t *uv_iqmatrix[MAX_SEGMENTS][2][TX_SIZES]; + // Encoder + qm_val_t *y_qmatrix[MAX_SEGMENTS][2][TX_SIZES]; + qm_val_t *uv_qmatrix[MAX_SEGMENTS][2][TX_SIZES]; + + int using_qmatrix; + int min_qmlevel; + int max_qmlevel; +#endif +#if CONFIG_NEW_QUANT + dequant_val_type_nuq y_dequant_nuq[MAX_SEGMENTS][QUANT_PROFILES][COEF_BANDS]; + dequant_val_type_nuq uv_dequant_nuq[MAX_SEGMENTS][QUANT_PROFILES][COEF_BANDS]; +#endif + + /* We allocate a MODE_INFO struct for each macroblock, together with + an extra row on top and column on the left to simplify prediction. */ + int mi_alloc_size; + MODE_INFO *mip; /* Base of allocated array */ + MODE_INFO *mi; /* Corresponds to upper left visible macroblock */ + + // TODO(agrange): Move prev_mi into encoder structure. + // prev_mip and prev_mi will only be allocated in encoder. + MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */ + MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */ + + // Separate mi functions between encoder and decoder. + int (*alloc_mi)(struct AV1Common *cm, int mi_size); + void (*free_mi)(struct AV1Common *cm); + void (*setup_mi)(struct AV1Common *cm); + + // Grid of pointers to 8x8 MODE_INFO structs. Any 8x8 not in the visible + // area will be NULL. + MODE_INFO **mi_grid_base; + MODE_INFO **mi_grid_visible; + MODE_INFO **prev_mi_grid_base; + MODE_INFO **prev_mi_grid_visible; + + // Whether to use previous frame's motion vectors for prediction. + int use_prev_frame_mvs; + + // Persistent mb segment id map used in prediction. + int seg_map_idx; + int prev_seg_map_idx; + + uint8_t *seg_map_array[NUM_PING_PONG_BUFFERS]; + uint8_t *last_frame_seg_map; + uint8_t *current_frame_seg_map; + int seg_map_alloc_size; + + InterpFilter interp_filter; + + loop_filter_info_n lf_info; +#if CONFIG_LOOP_RESTORATION + RestorationInfo rst_info[MAX_MB_PLANE]; + RestorationInternal rst_internal; +#endif // CONFIG_LOOP_RESTORATION + + // Flag signaling how frame contexts should be updated at the end of + // a frame decode + REFRESH_FRAME_CONTEXT_MODE refresh_frame_context; + + int ref_frame_sign_bias[TOTAL_REFS_PER_FRAME]; /* Two state 0, 1 */ + + struct loopfilter lf; + struct segmentation seg; + + int frame_parallel_decode; // frame-based threading. + +#if CONFIG_EXT_TX + int reduced_tx_set_used; +#endif // CONFIG_EXT_TX + +// Context probabilities for reference frame prediction +#if CONFIG_EXT_REFS + MV_REFERENCE_FRAME comp_fwd_ref[FWD_REFS]; + MV_REFERENCE_FRAME comp_bwd_ref[BWD_REFS]; +#else + MV_REFERENCE_FRAME comp_fixed_ref; + MV_REFERENCE_FRAME comp_var_ref[COMP_REFS]; +#endif // CONFIG_EXT_REFS + REFERENCE_MODE reference_mode; + + FRAME_CONTEXT *fc; /* this frame entropy */ + FRAME_CONTEXT *frame_contexts; // FRAME_CONTEXTS + unsigned int frame_context_idx; /* Context to use/update */ + FRAME_COUNTS counts; + +#if CONFIG_SUBFRAME_PROB_UPDATE + // The initial probabilities for a frame, before any subframe backward update, + // and after forward update. + av1_coeff_probs_model starting_coef_probs[TX_SIZES][PLANE_TYPES]; + // Number of subframe backward updates already done + uint8_t coef_probs_update_idx; + // Signal if the backward update is subframe or end-of-frame + uint8_t partial_prob_update; + // Frame level flag to turn on/off subframe backward update + uint8_t do_subframe_update; +#endif // CONFIG_SUBFRAME_PROB_UPDATE + + unsigned int current_video_frame; + BITSTREAM_PROFILE profile; + + // AOM_BITS_8 in profile 0 or 1, AOM_BITS_10 or AOM_BITS_12 in profile 2 or 3. + aom_bit_depth_t bit_depth; + aom_bit_depth_t dequant_bit_depth; // bit_depth of current dequantizer + + int error_resilient_mode; + +#if !CONFIG_EXT_TILE + int log2_tile_cols, log2_tile_rows; +#endif // !CONFIG_EXT_TILE + int tile_cols, tile_rows; + int tile_width, tile_height; // In MI units +#if CONFIG_EXT_TILE + unsigned int tile_encoding_mode; +#endif // CONFIG_EXT_TILE + +#if CONFIG_DEPENDENT_HORZTILES + int dependent_horz_tiles; +#if CONFIG_TILE_GROUPS + int tile_group_start_row[MAX_TILE_ROWS][MAX_TILE_COLS]; + int tile_group_start_col[MAX_TILE_ROWS][MAX_TILE_COLS]; +#endif +#endif +#if CONFIG_LOOPFILTERING_ACROSS_TILES + int loop_filter_across_tiles_enabled; +#endif // CONFIG_LOOPFILTERING_ACROSS_TILES + + int byte_alignment; + int skip_loop_filter; + + // Private data associated with the frame buffer callbacks. + void *cb_priv; + aom_get_frame_buffer_cb_fn_t get_fb_cb; + aom_release_frame_buffer_cb_fn_t release_fb_cb; + + // Handles memory for the codec. + InternalFrameBufferList int_frame_buffers; + + // External BufferPool passed from outside. + BufferPool *buffer_pool; + + PARTITION_CONTEXT *above_seg_context; + ENTROPY_CONTEXT *above_context[MAX_MB_PLANE]; +#if CONFIG_VAR_TX + TXFM_CONTEXT *above_txfm_context; + TXFM_CONTEXT left_txfm_context[MAX_MIB_SIZE]; +#endif + int above_context_alloc_cols; + + // scratch memory for intraonly/keyframe forward updates from default tables + // - this is intentionally not placed in FRAME_CONTEXT since it's reset upon + // each keyframe and not used afterwards + aom_prob kf_y_prob[INTRA_MODES][INTRA_MODES][INTRA_MODES - 1]; +#if CONFIG_GLOBAL_MOTION + WarpedMotionParams global_motion[TOTAL_REFS_PER_FRAME]; +#endif + + BLOCK_SIZE sb_size; // Size of the superblock used for this frame + int mib_size; // Size of the superblock in units of MI blocks + int mib_size_log2; // Log 2 of above. +#if CONFIG_CDEF + int cdef_dering_damping; + int cdef_clpf_damping; + int nb_cdef_strengths; + int cdef_strengths[CDEF_MAX_STRENGTHS]; + int cdef_uv_strengths[CDEF_MAX_STRENGTHS]; + int cdef_bits; +#endif + +#if CONFIG_DELTA_Q + int delta_q_present_flag; + // Resolution of delta quant + int delta_q_res; +#if CONFIG_EXT_DELTA_Q + int delta_lf_present_flag; + // Resolution of delta lf level + int delta_lf_res; +#endif +#endif +#if CONFIG_TILE_GROUPS + int num_tg; +#endif +#if CONFIG_REFERENCE_BUFFER + int current_frame_id; + int ref_frame_id[REF_FRAMES]; + int valid_for_referencing[REF_FRAMES]; + int refresh_mask; + int invalid_delta_frame_id_minus1; +#endif +#if CONFIG_ANS && ANS_MAX_SYMBOLS + int ans_window_size_log2; +#endif +} AV1_COMMON; + +#if CONFIG_REFERENCE_BUFFER +/* Initial version of sequence header structure */ +typedef struct SequenceHeader { + int frame_id_numbers_present_flag; + int frame_id_length_minus7; + int delta_frame_id_length_minus2; +} SequenceHeader; +#endif + +// TODO(hkuang): Don't need to lock the whole pool after implementing atomic +// frame reference count. +static void lock_buffer_pool(BufferPool *const pool) { +#if CONFIG_MULTITHREAD + pthread_mutex_lock(&pool->pool_mutex); +#else + (void)pool; +#endif +} + +static void unlock_buffer_pool(BufferPool *const pool) { +#if CONFIG_MULTITHREAD + pthread_mutex_unlock(&pool->pool_mutex); +#else + (void)pool; +#endif +} + +static INLINE YV12_BUFFER_CONFIG *get_ref_frame(AV1_COMMON *cm, int index) { + if (index < 0 || index >= REF_FRAMES) return NULL; + if (cm->ref_frame_map[index] < 0) return NULL; + assert(cm->ref_frame_map[index] < FRAME_BUFFERS); + return &cm->buffer_pool->frame_bufs[cm->ref_frame_map[index]].buf; +} + +static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer( + const AV1_COMMON *const cm) { + return &cm->buffer_pool->frame_bufs[cm->new_fb_idx].buf; +} + +static INLINE int get_free_fb(AV1_COMMON *cm) { + RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs; + int i; + + lock_buffer_pool(cm->buffer_pool); + for (i = 0; i < FRAME_BUFFERS; ++i) + if (frame_bufs[i].ref_count == 0) break; + + if (i != FRAME_BUFFERS) { + frame_bufs[i].ref_count = 1; + } else { + // Reset i to be INVALID_IDX to indicate no free buffer found. + i = INVALID_IDX; + } + + unlock_buffer_pool(cm->buffer_pool); + return i; +} + +static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) { + const int ref_index = *idx; + + if (ref_index >= 0 && bufs[ref_index].ref_count > 0) + bufs[ref_index].ref_count--; + + *idx = new_idx; + + bufs[new_idx].ref_count++; +} + +static INLINE int mi_cols_aligned_to_sb(const AV1_COMMON *cm) { + return ALIGN_POWER_OF_TWO(cm->mi_cols, cm->mib_size_log2); +} + +static INLINE int mi_rows_aligned_to_sb(const AV1_COMMON *cm) { + return ALIGN_POWER_OF_TWO(cm->mi_rows, cm->mib_size_log2); +} + +static INLINE int frame_is_intra_only(const AV1_COMMON *const cm) { + return cm->frame_type == KEY_FRAME || cm->intra_only; +} + +static INLINE void av1_init_macroblockd(AV1_COMMON *cm, MACROBLOCKD *xd, +#if CONFIG_PVQ + tran_low_t *pvq_ref_coeff, +#endif +#if CONFIG_CFL + CFL_CTX *cfl, +#endif + tran_low_t *dqcoeff) { + int i; + for (i = 0; i < MAX_MB_PLANE; ++i) { + xd->plane[i].dqcoeff = dqcoeff; +#if CONFIG_PVQ + xd->plane[i].pvq_ref_coeff = pvq_ref_coeff; +#endif +#if CONFIG_CFL + xd->cfl = cfl; + cfl_init(cfl, cm, xd->plane[AOM_PLANE_U].subsampling_x, + xd->plane[AOM_PLANE_U].subsampling_y); +#endif + xd->above_context[i] = cm->above_context[i]; + if (xd->plane[i].plane_type == PLANE_TYPE_Y) { + memcpy(xd->plane[i].seg_dequant, cm->y_dequant, sizeof(cm->y_dequant)); +#if CONFIG_AOM_QM + memcpy(xd->plane[i].seg_iqmatrix, cm->y_iqmatrix, sizeof(cm->y_iqmatrix)); +#endif + +#if CONFIG_NEW_QUANT + memcpy(xd->plane[i].seg_dequant_nuq, cm->y_dequant_nuq, + sizeof(cm->y_dequant_nuq)); +#endif + } else { + memcpy(xd->plane[i].seg_dequant, cm->uv_dequant, sizeof(cm->uv_dequant)); +#if CONFIG_AOM_QM + memcpy(xd->plane[i].seg_iqmatrix, cm->uv_iqmatrix, + sizeof(cm->uv_iqmatrix)); +#endif +#if CONFIG_NEW_QUANT + memcpy(xd->plane[i].seg_dequant_nuq, cm->uv_dequant_nuq, + sizeof(cm->uv_dequant_nuq)); +#endif + } + xd->fc = cm->fc; + } + xd->above_seg_context = cm->above_seg_context; +#if CONFIG_VAR_TX + xd->above_txfm_context = cm->above_txfm_context; +#endif + xd->mi_stride = cm->mi_stride; + xd->error_info = &cm->error; +} + +static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) { + int i; + for (i = 0; i < MAX_MB_PLANE; ++i) { + struct macroblockd_plane *const pd = &xd->plane[i]; +#if CONFIG_CHROMA_SUB8X8 + if (xd->mi[0]->mbmi.sb_type < BLOCK_8X8) { + // Offset the buffer pointer + if (pd->subsampling_y && (mi_row & 0x01)) mi_row -= 1; + if (pd->subsampling_x && (mi_col & 0x01)) mi_col -= 1; + } +#endif + int above_idx = mi_col * 2; + int left_idx = (mi_row * 2) & MAX_MIB_MASK_2; + pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x]; + pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y]; + } +} + +static INLINE int calc_mi_size(int len) { + // len is in mi units. + return len + MAX_MIB_SIZE; +} + +static INLINE void set_plane_n4(MACROBLOCKD *const xd, int bw, int bh) { + int i; + for (i = 0; i < MAX_MB_PLANE; i++) { + xd->plane[i].n4_w = (bw << 1) >> xd->plane[i].subsampling_x; + xd->plane[i].n4_h = (bh << 1) >> xd->plane[i].subsampling_y; + + xd->plane[i].width = (bw * MI_SIZE) >> xd->plane[i].subsampling_x; + xd->plane[i].height = (bh * MI_SIZE) >> xd->plane[i].subsampling_y; + +#if !CONFIG_CHROMA_2X2 + xd->plane[i].width = AOMMAX(xd->plane[i].width, 4); + xd->plane[i].height = AOMMAX(xd->plane[i].height, 4); +#endif + } +} + +static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile, + int mi_row, int bh, int mi_col, int bw, +#if CONFIG_DEPENDENT_HORZTILES + int dependent_horz_tile_flag, +#endif // CONFIG_DEPENDENT_HORZTILES + int mi_rows, int mi_cols) { + xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8); + xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8; + xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8); + xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8; + +#if CONFIG_DEPENDENT_HORZTILES + if (dependent_horz_tile_flag) { +#if CONFIG_TILE_GROUPS + xd->up_available = (mi_row > tile->mi_row_start) || !tile->tg_horz_boundary; +#else + xd->up_available = (mi_row > 0); +#endif // CONFIG_TILE_GROUPS + } else { +#endif // CONFIG_DEPENDENT_HORZTILES + // Are edges available for intra prediction? + xd->up_available = (mi_row > tile->mi_row_start); +#if CONFIG_DEPENDENT_HORZTILES + } +#endif // CONFIG_DEPENDENT_HORZTILES + + xd->left_available = (mi_col > tile->mi_col_start); +#if CONFIG_CHROMA_SUB8X8 + xd->chroma_up_available = xd->up_available; + xd->chroma_left_available = xd->left_available; + if (xd->plane[1].subsampling_x && bw < mi_size_wide[BLOCK_8X8]) + xd->chroma_left_available = (mi_col - 1) > tile->mi_col_start; + if (xd->plane[1].subsampling_y && bh < mi_size_high[BLOCK_8X8]) + xd->chroma_up_available = (mi_row - 1) > tile->mi_row_start; +#endif + if (xd->up_available) { + xd->above_mi = xd->mi[-xd->mi_stride]; + // above_mi may be NULL in encoder's first pass. + xd->above_mbmi = xd->above_mi ? &xd->above_mi->mbmi : NULL; + } else { + xd->above_mi = NULL; + xd->above_mbmi = NULL; + } + + if (xd->left_available) { + xd->left_mi = xd->mi[-1]; + // left_mi may be NULL in encoder's first pass. + xd->left_mbmi = xd->left_mi ? &xd->left_mi->mbmi : NULL; + } else { + xd->left_mi = NULL; + xd->left_mbmi = NULL; + } + + xd->n8_h = bh; + xd->n8_w = bw; +#if CONFIG_REF_MV + xd->is_sec_rect = 0; + if (xd->n8_w < xd->n8_h) + if (mi_col & (xd->n8_h - 1)) xd->is_sec_rect = 1; + + if (xd->n8_w > xd->n8_h) + if (mi_row & (xd->n8_w - 1)) xd->is_sec_rect = 1; +#endif // CONFIG_REF_MV +} + +static INLINE const aom_prob *get_y_mode_probs(const AV1_COMMON *cm, + const MODE_INFO *mi, + const MODE_INFO *above_mi, + const MODE_INFO *left_mi, + int block) { + const PREDICTION_MODE above = av1_above_block_mode(mi, above_mi, block); + const PREDICTION_MODE left = av1_left_block_mode(mi, left_mi, block); + return cm->kf_y_prob[above][left]; +} + +#if CONFIG_EC_MULTISYMBOL +static INLINE aom_cdf_prob *get_y_mode_cdf(FRAME_CONTEXT *tile_ctx, + const MODE_INFO *mi, + const MODE_INFO *above_mi, + const MODE_INFO *left_mi, + int block) { + const PREDICTION_MODE above = av1_above_block_mode(mi, above_mi, block); + const PREDICTION_MODE left = av1_left_block_mode(mi, left_mi, block); + return tile_ctx->kf_y_cdf[above][left]; +} +#endif + +static INLINE void update_partition_context(MACROBLOCKD *xd, int mi_row, + int mi_col, BLOCK_SIZE subsize, + BLOCK_SIZE bsize) { + PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col; + PARTITION_CONTEXT *const left_ctx = + xd->left_seg_context + (mi_row & MAX_MIB_MASK); + +#if CONFIG_EXT_PARTITION_TYPES + const int bw = mi_size_wide[bsize]; + const int bh = mi_size_high[bsize]; + memset(above_ctx, partition_context_lookup[subsize].above, bw); + memset(left_ctx, partition_context_lookup[subsize].left, bh); +#else + // num_4x4_blocks_wide_lookup[bsize] / 2 + const int bs = mi_size_wide[bsize]; + + // update the partition context at the end notes. set partition bits + // of block sizes larger than the current one to be one, and partition + // bits of smaller block sizes to be zero. + memset(above_ctx, partition_context_lookup[subsize].above, bs); + memset(left_ctx, partition_context_lookup[subsize].left, bs); +#endif // CONFIG_EXT_PARTITION_TYPES +} + +#if CONFIG_CB4X4 +static INLINE int is_chroma_reference(int mi_row, int mi_col, BLOCK_SIZE bsize, + int subsampling_x, int subsampling_y) { +#if CONFIG_CHROMA_2X2 + return 1; +#endif + +#if CONFIG_CHROMA_SUB8X8 + const int bw = mi_size_wide[bsize]; + const int bh = mi_size_high[bsize]; + + int ref_pos = ((mi_row & 0x01) || !(bh & 0x01) || !subsampling_y) && + ((mi_col & 0x01) || !(bw & 0x01) || !subsampling_x); + + return ref_pos; +#else + int ref_pos = !(((mi_row & 0x01) && subsampling_y) || + ((mi_col & 0x01) && subsampling_x)); + + if (bsize >= BLOCK_8X8) ref_pos = 1; + + return ref_pos; +#endif +} + +static INLINE BLOCK_SIZE scale_chroma_bsize(BLOCK_SIZE bsize, int subsampling_x, + int subsampling_y) { + BLOCK_SIZE bs = bsize; + + if (bs < BLOCK_8X8) { + if (subsampling_x == 1 && subsampling_y == 1) + bs = BLOCK_8X8; + else if (subsampling_x == 1) + bs = BLOCK_8X4; + else if (subsampling_y == 1) + bs = BLOCK_4X8; + } + + return bs; +} +#endif + +#if CONFIG_EXT_PARTITION_TYPES +static INLINE void update_ext_partition_context(MACROBLOCKD *xd, int mi_row, + int mi_col, BLOCK_SIZE subsize, + BLOCK_SIZE bsize, + PARTITION_TYPE partition) { + if (bsize >= BLOCK_8X8) { + const int hbs = mi_size_wide[bsize] / 2; + BLOCK_SIZE bsize2 = get_subsize(bsize, PARTITION_SPLIT); + switch (partition) { + case PARTITION_SPLIT: + if (bsize != BLOCK_8X8) break; + case PARTITION_NONE: + case PARTITION_HORZ: + case PARTITION_VERT: + update_partition_context(xd, mi_row, mi_col, subsize, bsize); + break; + case PARTITION_HORZ_A: + update_partition_context(xd, mi_row, mi_col, bsize2, subsize); + update_partition_context(xd, mi_row + hbs, mi_col, subsize, subsize); + break; + case PARTITION_HORZ_B: + update_partition_context(xd, mi_row, mi_col, subsize, subsize); + update_partition_context(xd, mi_row + hbs, mi_col, bsize2, subsize); + break; + case PARTITION_VERT_A: + update_partition_context(xd, mi_row, mi_col, bsize2, subsize); + update_partition_context(xd, mi_row, mi_col + hbs, subsize, subsize); + break; + case PARTITION_VERT_B: + update_partition_context(xd, mi_row, mi_col, subsize, subsize); + update_partition_context(xd, mi_row, mi_col + hbs, bsize2, subsize); + break; + default: assert(0 && "Invalid partition type"); + } + } +} +#endif // CONFIG_EXT_PARTITION_TYPES + +static INLINE int partition_plane_context(const MACROBLOCKD *xd, int mi_row, + int mi_col, +#if CONFIG_UNPOISON_PARTITION_CTX + int has_rows, int has_cols, +#endif + BLOCK_SIZE bsize) { +#if CONFIG_UNPOISON_PARTITION_CTX + const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col; + const PARTITION_CONTEXT *left_ctx = + xd->left_seg_context + (mi_row & MAX_MIB_MASK); + // Minimum partition point is 8x8. Offset the bsl accordingly. + const int bsl = mi_width_log2_lookup[bsize] - mi_width_log2_lookup[BLOCK_8X8]; + int above = (*above_ctx >> bsl) & 1, left = (*left_ctx >> bsl) & 1; + + assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]); + assert(bsl >= 0); + + if (has_rows && has_cols) + return (left * 2 + above) + bsl * PARTITION_PLOFFSET; + else if (has_rows && !has_cols) + return PARTITION_CONTEXTS_PRIMARY + bsl; + else if (!has_rows && has_cols) + return PARTITION_CONTEXTS_PRIMARY + PARTITION_BLOCK_SIZES + bsl; + else + return PARTITION_CONTEXTS; // Bogus context, forced SPLIT +#else + const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col; + const PARTITION_CONTEXT *left_ctx = + xd->left_seg_context + (mi_row & MAX_MIB_MASK); + // Minimum partition point is 8x8. Offset the bsl accordingly. + const int bsl = mi_width_log2_lookup[bsize] - mi_width_log2_lookup[BLOCK_8X8]; + int above = (*above_ctx >> bsl) & 1, left = (*left_ctx >> bsl) & 1; + + assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]); + assert(bsl >= 0); + + return (left * 2 + above) + bsl * PARTITION_PLOFFSET; +#endif +} + +static INLINE int max_block_wide(const MACROBLOCKD *xd, BLOCK_SIZE bsize, + int plane) { + int max_blocks_wide = block_size_wide[bsize]; + const struct macroblockd_plane *const pd = &xd->plane[plane]; + + if (xd->mb_to_right_edge < 0) + max_blocks_wide += xd->mb_to_right_edge >> (3 + pd->subsampling_x); + + // Scale the width in the transform block unit. + return max_blocks_wide >> tx_size_wide_log2[0]; +} + +static INLINE int max_block_high(const MACROBLOCKD *xd, BLOCK_SIZE bsize, + int plane) { + int max_blocks_high = block_size_high[bsize]; + const struct macroblockd_plane *const pd = &xd->plane[plane]; + + if (xd->mb_to_bottom_edge < 0) + max_blocks_high += xd->mb_to_bottom_edge >> (3 + pd->subsampling_y); + + // Scale the width in the transform block unit. + return max_blocks_high >> tx_size_wide_log2[0]; +} + +static INLINE void av1_zero_above_context(AV1_COMMON *const cm, + int mi_col_start, int mi_col_end) { + const int width = mi_col_end - mi_col_start; + const int aligned_width = ALIGN_POWER_OF_TWO(width, cm->mib_size_log2); + + const int offset_y = 2 * mi_col_start; + const int width_y = 2 * aligned_width; + const int offset_uv = offset_y >> cm->subsampling_x; + const int width_uv = width_y >> cm->subsampling_x; + + av1_zero_array(cm->above_context[0] + offset_y, width_y); + av1_zero_array(cm->above_context[1] + offset_uv, width_uv); + av1_zero_array(cm->above_context[2] + offset_uv, width_uv); + + av1_zero_array(cm->above_seg_context + mi_col_start, aligned_width); + +#if CONFIG_VAR_TX + av1_zero_array(cm->above_txfm_context + mi_col_start, aligned_width); +#endif // CONFIG_VAR_TX +} + +static INLINE void av1_zero_left_context(MACROBLOCKD *const xd) { + av1_zero(xd->left_context); + av1_zero(xd->left_seg_context); +#if CONFIG_VAR_TX + av1_zero(xd->left_txfm_context_buffer); +#endif +} + +#if CONFIG_VAR_TX +static INLINE TX_SIZE get_min_tx_size(TX_SIZE tx_size) { + if (tx_size >= TX_SIZES_ALL) assert(0); + return txsize_sqr_map[tx_size]; +} + +static INLINE void set_txfm_ctx(TXFM_CONTEXT *txfm_ctx, uint8_t txs, int len) { + int i; + for (i = 0; i < len; ++i) txfm_ctx[i] = txs; +} + +static INLINE void set_txfm_ctxs(TX_SIZE tx_size, int n8_w, int n8_h, int skip, + const MACROBLOCKD *xd) { + uint8_t bw = tx_size_wide[tx_size]; + uint8_t bh = tx_size_high[tx_size]; + + if (skip) { + bw = n8_w * MI_SIZE; + bh = n8_h * MI_SIZE; + } + + set_txfm_ctx(xd->above_txfm_context, bw, n8_w); + set_txfm_ctx(xd->left_txfm_context, bh, n8_h); +} + +static INLINE void txfm_partition_update(TXFM_CONTEXT *above_ctx, + TXFM_CONTEXT *left_ctx, + TX_SIZE tx_size, TX_SIZE txb_size) { + BLOCK_SIZE bsize = txsize_to_bsize[txb_size]; + int bh = mi_size_high[bsize]; + int bw = mi_size_wide[bsize]; + uint8_t txw = tx_size_wide[tx_size]; + uint8_t txh = tx_size_high[tx_size]; + int i; + for (i = 0; i < bh; ++i) left_ctx[i] = txh; + for (i = 0; i < bw; ++i) above_ctx[i] = txw; +} + +static INLINE int txfm_partition_context(TXFM_CONTEXT *above_ctx, + TXFM_CONTEXT *left_ctx, + BLOCK_SIZE bsize, TX_SIZE tx_size) { + const uint8_t txw = tx_size_wide[tx_size]; + const uint8_t txh = tx_size_high[tx_size]; + const int above = *above_ctx < txw; + const int left = *left_ctx < txh; + TX_SIZE max_tx_size = max_txsize_lookup[bsize]; + int category = TXFM_PARTITION_CONTEXTS - 1; + + // dummy return, not used by others. + if (tx_size <= TX_4X4) return 0; + + switch (AOMMAX(block_size_wide[bsize], block_size_high[bsize])) { +#if CONFIG_EXT_PARTITION + case 128: +#endif + case 64: + case 32: max_tx_size = TX_32X32; break; + case 16: max_tx_size = TX_16X16; break; + case 8: max_tx_size = TX_8X8; break; + default: assert(0); + } + + if (max_tx_size >= TX_8X8) { + category = (tx_size != max_tx_size && max_tx_size > TX_8X8) + + (TX_SIZES - 1 - max_tx_size) * 2; + } + if (category == TXFM_PARTITION_CONTEXTS - 1) return category; + return category * 3 + above + left; +} +#endif + +static INLINE PARTITION_TYPE get_partition(const AV1_COMMON *const cm, + int mi_row, int mi_col, + BLOCK_SIZE bsize) { + if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) { + return PARTITION_INVALID; + } else { + const int offset = mi_row * cm->mi_stride + mi_col; + MODE_INFO **mi = cm->mi_grid_visible + offset; + const MB_MODE_INFO *const mbmi = &mi[0]->mbmi; + const int bsl = b_width_log2_lookup[bsize]; + const PARTITION_TYPE partition = partition_lookup[bsl][mbmi->sb_type]; +#if !CONFIG_EXT_PARTITION_TYPES + return partition; +#else + const int hbs = mi_size_wide[bsize] / 2; + + assert(cm->mi_grid_visible[offset] == &cm->mi[offset]); + + if (partition != PARTITION_NONE && bsize > BLOCK_8X8 && + mi_row + hbs < cm->mi_rows && mi_col + hbs < cm->mi_cols) { + const BLOCK_SIZE h = get_subsize(bsize, PARTITION_HORZ_A); + const BLOCK_SIZE v = get_subsize(bsize, PARTITION_VERT_A); + const MB_MODE_INFO *const mbmi_right = &mi[hbs]->mbmi; + const MB_MODE_INFO *const mbmi_below = &mi[hbs * cm->mi_stride]->mbmi; + if (mbmi->sb_type == h) { + return mbmi_below->sb_type == h ? PARTITION_HORZ : PARTITION_HORZ_B; + } else if (mbmi->sb_type == v) { + return mbmi_right->sb_type == v ? PARTITION_VERT : PARTITION_VERT_B; + } else if (mbmi_below->sb_type == h) { + return PARTITION_HORZ_A; + } else if (mbmi_right->sb_type == v) { + return PARTITION_VERT_A; + } else { + return PARTITION_SPLIT; + } + } + + return partition; +#endif // !CONFIG_EXT_PARTITION_TYPES + } +} + +static INLINE void set_sb_size(AV1_COMMON *const cm, BLOCK_SIZE sb_size) { + cm->sb_size = sb_size; + cm->mib_size = mi_size_wide[cm->sb_size]; +#if CONFIG_CB4X4 + cm->mib_size_log2 = b_width_log2_lookup[cm->sb_size]; +#else + cm->mib_size_log2 = mi_width_log2_lookup[cm->sb_size]; +#endif +} + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // AV1_COMMON_ONYXC_INT_H_ |