| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| /*! \file |
| * Declares various structs used to encode the current partition block. |
| */ |
| #ifndef AOM_AV1_ENCODER_BLOCK_H_ |
| #define AOM_AV1_ENCODER_BLOCK_H_ |
| |
| #include "av1/common/entropymv.h" |
| #include "av1/common/entropy.h" |
| #include "av1/common/enums.h" |
| #include "av1/common/mvref_common.h" |
| |
| #include "av1/encoder/enc_enums.h" |
| #include "av1/encoder/partition_cnn_weights.h" |
| |
| #include "av1/encoder/hash.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| //! Minimum linear dimension of a tpl block |
| #define MIN_TPL_BSIZE_1D 16 |
| //! Maximum number of tpl block in a super block |
| #define MAX_TPL_BLK_IN_SB (MAX_SB_SIZE / MIN_TPL_BSIZE_1D) |
| //! Number of intra winner modes kept |
| #define MAX_WINNER_MODE_COUNT_INTRA 3 |
| //! Number of inter winner modes kept |
| #define MAX_WINNER_MODE_COUNT_INTER 1 |
| //! Number of txfm hash records kept for the partition block. |
| #define RD_RECORD_BUFFER_LEN 8 |
| //! Number of txfm hash records kept for the txfm block. |
| #define TX_SIZE_RD_RECORD_BUFFER_LEN 256 |
| |
| /*! \brief Superblock level encoder info |
| * |
| * SuperblockEnc stores superblock level information used by the encoder for |
| * more efficient encoding. Currently this is mostly used to store TPL data |
| * for the current superblock. |
| */ |
| typedef struct { |
| //! Maximum partition size for the sb. |
| BLOCK_SIZE min_partition_size; |
| //! Minimum partition size for the sb. |
| BLOCK_SIZE max_partition_size; |
| |
| /***************************************************************************** |
| * \name TPL Info |
| * |
| * Information gathered from tpl_model at tpl block precision for the |
| * superblock to speed up the encoding process.. |
| ****************************************************************************/ |
| /**@{*/ |
| //! Number of TPL blocks in this superblock. |
| int tpl_data_count; |
| //! TPL's estimate of inter cost for each tpl block. |
| int64_t tpl_inter_cost[MAX_TPL_BLK_IN_SB * MAX_TPL_BLK_IN_SB]; |
| //! TPL's estimate of tpl cost for each tpl block. |
| int64_t tpl_intra_cost[MAX_TPL_BLK_IN_SB * MAX_TPL_BLK_IN_SB]; |
| //! Motion vectors found by TPL model for each tpl block. |
| int_mv tpl_mv[MAX_TPL_BLK_IN_SB * MAX_TPL_BLK_IN_SB][INTER_REFS_PER_FRAME]; |
| //! TPL's stride for the arrays in this struct. |
| int tpl_stride; |
| /**@}*/ |
| } SuperBlockEnc; |
| |
| /*! \brief Stores the best performing modes. |
| */ |
| typedef struct { |
| //! The mbmi used to reconstruct the winner mode. |
| MB_MODE_INFO mbmi; |
| //! Rdstats of the winner mode. |
| RD_STATS rd_cost; |
| //! Rdcost of the winner mode |
| int64_t rd; |
| //! Luma rate of the winner mode. |
| int rate_y; |
| //! Chroma rate of the winner mode. |
| int rate_uv; |
| //! The color map needed to reconstruct palette mode. |
| uint8_t color_index_map[MAX_SB_SQUARE]; |
| //! The current winner mode. |
| REFERENCE_MODE mode; |
| //! Reference frame(s) for winner mode. |
| int refs[2]; |
| } WinnerModeStats; |
| |
| /*! \brief Each source plane of the current macroblock |
| * |
| * This struct also stores the txfm buffers and quantizer settings. |
| */ |
| typedef struct macroblock_plane { |
| //! Stores source - pred so the txfm can be computed later |
| DECLARE_ALIGNED(32, int16_t, src_diff[MAX_SB_SQUARE]); |
| //! Temporary buffer for primary transform coeffs |
| #if CONFIG_IST |
| DECLARE_ALIGNED(32, int32_t, temp_coeff[4096]); |
| #endif |
| //! Dequantized coefficients |
| tran_low_t *dqcoeff; |
| //! Quantized coefficients |
| tran_low_t *qcoeff; |
| //! Transformed coefficients |
| tran_low_t *coeff; |
| //! Location of the end of qcoeff (end of block). |
| uint16_t *eobs; |
| //! Contexts used to code the transform coefficients. |
| uint8_t *txb_entropy_ctx; |
| //! A buffer containing the source frame. |
| struct buf_2d src; |
| |
| /*! \name Quantizer Settings |
| * |
| * \attention These are used/accessed only in the quantization process. |
| * RDO does not and *must not* depend on any of these values. |
| * All values below share the coefficient scale/shift used in TX. |
| */ |
| /**@{*/ |
| //! Quantization step size used by AV1_XFORM_QUANT_FP. |
| |
| const int32_t *quant_fp_QTX; |
| //! Offset used for rounding in the quantizer process by AV1_XFORM_QUANT_FP. |
| const int32_t *round_fp_QTX; |
| //! Quantization step size used by AV1_XFORM_QUANT_B. |
| const int32_t *quant_QTX; |
| //! Offset used for rounding in the quantizer process by AV1_XFORM_QUANT_B. |
| const int32_t *round_QTX; |
| //! Scale factor to shift coefficients toward zero. Only used by QUANT_B. |
| const int32_t *quant_shift_QTX; |
| //! Size of the quantization bin around 0. Only Used by QUANT_B |
| const int32_t *zbin_QTX; |
| //! Dequantizer |
| const int32_t *dequant_QTX; |
| /**@}*/ |
| } MACROBLOCK_PLANE; |
| |
| /*! \brief Costs for encoding the coefficients within a level. |
| * |
| * Covers everything including txb_skip, eob, dc_sign, |
| */ |
| typedef struct { |
| //! Cost to skip txfm for the current txfm block. |
| int txb_skip_cost[TXB_SKIP_CONTEXTS][2]; |
| #if CONFIG_CONTEXT_DERIVATION |
| //! Cost to skip txfm for the current AOM_PLANE_V txfm block. |
| int v_txb_skip_cost[V_TXB_SKIP_CONTEXTS][2]; |
| #endif // CONFIG_CONTEXT_DERIVATION |
| /*! \brief Cost for encoding the base_eob of a level. |
| * |
| * Decoder uses base_eob to derive the base_level as base_eob := base_eob+1. |
| */ |
| int base_eob_cost[SIG_COEF_CONTEXTS_EOB][3]; |
| /*! \brief Cost for encoding the base level of a coefficient. |
| * |
| * Decoder derives coeff_base as coeff_base := base_eob + 1. |
| */ |
| int base_cost[SIG_COEF_CONTEXTS][8]; |
| /*! \brief Cost for encoding the last non-zero coefficient. |
| * |
| * Eob is derived from eob_extra at the decoder as eob := eob_extra + 1 |
| */ |
| int eob_extra_cost[EOB_COEF_CONTEXTS][2]; |
| //! Cost for encoding the dc_sign |
| int dc_sign_cost[DC_SIGN_CONTEXTS][2]; |
| #if CONFIG_CONTEXT_DERIVATION |
| //! Cost for encoding the AOM_PLANE_V txfm coefficient dc_sign |
| int v_dc_sign_cost[CROSS_COMPONENT_CONTEXTS][DC_SIGN_CONTEXTS][2]; |
| //! Cost for encoding the AOM_PLANE_V txfm coefficient ac_sign |
| int v_ac_sign_cost[CROSS_COMPONENT_CONTEXTS][2]; |
| #endif // CONFIG_CONTEXT_DERIVATION |
| //! Cost for encoding an increment to the coefficient |
| int lps_cost[LEVEL_CONTEXTS][COEFF_BASE_RANGE + 1 + COEFF_BASE_RANGE + 1]; |
| #if CONFIG_FORWARDSKIP |
| //! Cost for encoding the base level of a coefficient for IDTX blocks |
| int idtx_base_cost[IDTX_SIG_COEF_CONTEXTS][8]; |
| //! Cost for encoding the sign of a coefficient for IDTX blocks |
| int idtx_sign_cost[IDTX_SIGN_CONTEXTS][2]; |
| //! Cost for encoding an increment to the coefficient for IDTX blocks |
| int lps_cost_skip[IDTX_LEVEL_CONTEXTS] |
| [COEFF_BASE_RANGE + 1 + COEFF_BASE_RANGE + 1]; |
| #endif // CONFIG_FORWARDSKIP |
| } LV_MAP_COEFF_COST; |
| |
| /*! \brief Costs for encoding the eob. |
| */ |
| typedef struct { |
| //! eob_cost. |
| int eob_cost[2][11]; |
| } LV_MAP_EOB_COST; |
| |
| /*! \brief Stores the transforms coefficients for the whole superblock. |
| */ |
| typedef struct { |
| //! The transformed coefficients. |
| tran_low_t tcoeff[MAX_MB_PLANE][MAX_SB_SQUARE]; |
| //! Where the transformed coefficients end. |
| uint16_t eobs[MAX_MB_PLANE][MAX_SB_SQUARE / (TX_SIZE_W_MIN * TX_SIZE_H_MIN)]; |
| /*! \brief Transform block entropy contexts. |
| * |
| * Each element is used as a bit field. |
| * - Bits 0~3: txb_skip_ctx |
| * - Bits 4~5: dc_sign_ctx. |
| */ |
| uint8_t entropy_ctx[MAX_MB_PLANE] |
| [MAX_SB_SQUARE / (TX_SIZE_W_MIN * TX_SIZE_H_MIN)]; |
| } CB_COEFF_BUFFER; |
| |
| /*! \brief Extended mode info derived from mbmi. |
| */ |
| typedef struct { |
| // TODO(angiebird): Reduce the buffer size according to sb_type |
| //! The reference mv list for the current block. |
| CANDIDATE_MV ref_mv_stack[MODE_CTX_REF_FRAMES][USABLE_REF_MV_STACK_SIZE]; |
| //! The weights used to compute the ref mvs. |
| uint16_t weight[MODE_CTX_REF_FRAMES][USABLE_REF_MV_STACK_SIZE]; |
| //! Number of ref mvs in the drl. |
| uint8_t ref_mv_count[MODE_CTX_REF_FRAMES]; |
| //! Global mvs |
| #if CONFIG_NEW_REF_SIGNALING |
| int_mv global_mvs[INTER_REFS_PER_FRAME]; |
| #else |
| int_mv global_mvs[REF_FRAMES]; |
| #endif // CONFIG_NEW_REF_SIGNALING |
| //! Context used to encode the current mode. |
| int16_t mode_context[MODE_CTX_REF_FRAMES]; |
| } MB_MODE_INFO_EXT; |
| |
| /*! \brief Stores best extended mode information at frame level. |
| * |
| * The frame level in here is used in bitstream preparation stage. The |
| * information in \ref MB_MODE_INFO_EXT are copied to this struct to save |
| * memory. |
| */ |
| typedef struct { |
| //! \copydoc MB_MODE_INFO_EXT::ref_mv_stack |
| CANDIDATE_MV ref_mv_stack[USABLE_REF_MV_STACK_SIZE]; |
| //! \copydoc MB_MODE_INFO_EXT::weight |
| uint16_t weight[USABLE_REF_MV_STACK_SIZE]; |
| //! \copydoc MB_MODE_INFO_EXT::ref_mv_count |
| uint8_t ref_mv_count; |
| // TODO(Ravi/Remya): Reduce the buffer size of global_mvs |
| //! \copydoc MB_MODE_INFO_EXT::global_mvs |
| #if CONFIG_NEW_REF_SIGNALING |
| int_mv global_mvs[INTER_REFS_PER_FRAME]; |
| #else |
| int_mv global_mvs[REF_FRAMES]; |
| #endif // CONFIG_NEW_REF_SIGNALING |
| //! \copydoc MB_MODE_INFO_EXT::mode_context |
| int16_t mode_context; |
| //! Offset of current coding block's coeff buffer relative to the sb. |
| int cb_offset[MAX_MB_PLANE]; |
| } MB_MODE_INFO_EXT_FRAME; |
| |
| /*! \brief Txfm search results for a partition |
| */ |
| typedef struct { |
| //! Txfm size used if the current mode is intra mode. |
| TX_SIZE tx_size; |
| //! Txfm sizes used if the current mode is inter mode. |
| TX_SIZE inter_tx_size[INTER_TX_SIZE_BUF_LEN]; |
| #if CONFIG_NEW_TX_PARTITION |
| //! Txfm partitions used if the current mode is inter mode. |
| TX_PARTITION_TYPE tx_partition_type[INTER_TX_SIZE_BUF_LEN]; |
| #endif // CONFIG_NEW_TX_PARTITION |
| //! Map showing which txfm block skips the txfm process. |
| uint8_t blk_skip[MAX_MIB_SIZE * MAX_MIB_SIZE]; |
| //! Map showing the txfm types for each blcok. |
| TX_TYPE tx_type_map[MAX_MIB_SIZE * MAX_MIB_SIZE]; |
| //! Rd_stats for the whole partition block. |
| RD_STATS rd_stats; |
| //! Hash value of the current record. |
| uint32_t hash_value; |
| } MB_RD_INFO; |
| |
| /*! \brief Hash records of txfm search results for the partition block. |
| */ |
| typedef struct { |
| //! Circular buffer that stores the txfm search results. |
| MB_RD_INFO tx_rd_info[RD_RECORD_BUFFER_LEN]; // Circular buffer. |
| //! Index to insert the newest \ref TXB_RD_INFO. |
| int index_start; |
| //! Number of info stored in this record. |
| int num; |
| //! Hash function |
| CRC32C crc_calculator; |
| } MB_RD_RECORD; |
| |
| /*! \brief Txfm search results for a tx block. |
| */ |
| typedef struct { |
| //! Distortion after the txfm process |
| int64_t dist; |
| //! SSE of the prediction before the txfm process |
| int64_t sse; |
| //! Rate used to encode the txfm. |
| int rate; |
| //! Location of the end of non-zero entries. |
| uint16_t eob; |
| //! Transform type used on the current block. |
| TX_TYPE tx_type; |
| //! Unknown usage |
| uint16_t entropy_context; |
| //! Context used to code the coefficients. |
| uint8_t txb_entropy_ctx; |
| //! Whether the current info block contains valid info |
| uint8_t valid; |
| //! Unused |
| uint8_t fast; |
| //! Whether trellis optimization is done. |
| uint8_t perform_block_coeff_opt; |
| } TXB_RD_INFO; |
| |
| /*! \brief Hash records of txfm search result for each tx block. |
| */ |
| typedef struct { |
| //! The hash values. |
| uint32_t hash_vals[TX_SIZE_RD_RECORD_BUFFER_LEN]; |
| //! The txfm search results |
| TXB_RD_INFO tx_rd_info[TX_SIZE_RD_RECORD_BUFFER_LEN]; |
| //! Index to insert the newest \ref TXB_RD_INFO. |
| int index_start; |
| //! Number of info stored in this record. |
| int num; |
| } TXB_RD_RECORD; |
| |
| //! Number of compound rd stats |
| #define MAX_COMP_RD_STATS 64 |
| /*! \brief Rdcost stats in compound mode. |
| */ |
| typedef struct { |
| //! Rate of the compound modes. |
| int32_t rate[COMPOUND_TYPES]; |
| //! Distortion of the compound modes. |
| int64_t dist[COMPOUND_TYPES]; |
| //! Estimated rate of the compound modes. |
| int32_t model_rate[COMPOUND_TYPES]; |
| //! Estimated distortion of the compound modes. |
| int64_t model_dist[COMPOUND_TYPES]; |
| //! Rate need to send the mask type. |
| int comp_rs2[COMPOUND_TYPES]; |
| //! Motion vector for each predictor. |
| int_mv mv[2]; |
| //! Ref frame for each predictor. |
| MV_REFERENCE_FRAME ref_frames[2]; |
| //! Current prediction mode. |
| PREDICTION_MODE mode; |
| //! Current interpolation filter. |
| InterpFilter interp_fltr; |
| //! Refmv index in the drl. |
| int ref_mv_idx; |
| //! Whether the predictors are GLOBALMV. |
| int is_global[2]; |
| //! Current parameters for interinter mode. |
| INTERINTER_COMPOUND_DATA interinter_comp; |
| } COMP_RD_STATS; |
| |
| /*! \brief Contains buffers used to speed up rdopt for obmc. |
| * |
| * See the comments for calc_target_weighted_pred for details. |
| */ |
| typedef struct { |
| /*! \brief A new source weighted with the above and left predictors. |
| * |
| * Used to efficiently construct multiple obmc predictors during rdopt. |
| */ |
| int32_t *wsrc; |
| /*! \brief A new mask constructed from the original horz/vert mask. |
| * |
| * \copydetails wsrc |
| */ |
| int32_t *mask; |
| /*! \brief Prediction from the up predictor. |
| * |
| * Used to build the obmc predictor. |
| */ |
| uint8_t *above_pred; |
| /*! \brief Prediction from the up predictor. |
| * |
| * \copydetails above_pred |
| */ |
| uint8_t *left_pred; |
| } OBMCBuffer; |
| |
| /*! \brief Contains color maps used in palette mode. |
| */ |
| typedef struct { |
| //! The best color map found. |
| uint8_t best_palette_color_map[MAX_PALETTE_SQUARE]; |
| //! A temporary buffer used for k-means clustering. |
| int kmeans_data_buf[2 * MAX_PALETTE_SQUARE]; |
| } PALETTE_BUFFER; |
| |
| /*! \brief Contains buffers used by av1_compound_type_rd() |
| * |
| * For sizes and alignment of these arrays, refer to |
| * alloc_compound_type_rd_buffers() function. |
| */ |
| typedef struct { |
| //! First prediction. |
| uint8_t *pred0; |
| //! Second prediction. |
| uint8_t *pred1; |
| //! Source - first prediction. |
| int16_t *residual1; |
| //! Second prediction - first prediction. |
| int16_t *diff10; |
| //! Backup of the best segmentation mask. |
| uint8_t *tmp_best_mask_buf; |
| } CompoundTypeRdBuffers; |
| |
| /*! \brief Holds some parameters related to partitioning schemes in AV1. |
| */ |
| // TODO(chiyotsai@google.com): Consolidate this with SIMPLE_MOTION_DATA_TREE |
| typedef struct { |
| // The following 4 parameters are used for cnn-based partitioning on intra |
| // frame. |
| /*! \brief Current index on the partition block quad tree. |
| * |
| * Used to index into the cnn buffer for partition decision. |
| */ |
| int quad_tree_idx; |
| //! Whether the CNN buffer contains valid output. |
| int cnn_output_valid; |
| //! A buffer used by our segmentation CNN for intra-frame partitioning. |
| float cnn_buffer[CNN_OUT_BUF_SIZE]; |
| //! log of the quantization parameter of the ancestor BLOCK_64X64. |
| float log_q; |
| |
| /*! \brief Variance of the subblocks in the superblock. |
| * |
| * This is used by rt mode for variance based partitioning. |
| * The indices corresponds to the following block sizes: |
| * - 0 - 128x128 |
| * - 1-2 - 128x64 |
| * - 3-4 - 64x128 |
| * - 5-8 - 64x64 |
| * - 9-16 - 64x32 |
| * - 17-24 - 32x64 |
| * - 25-40 - 32x32 |
| * - 41-104 - 16x16 |
| */ |
| uint8_t variance_low[105]; |
| } PartitionSearchInfo; |
| |
| /*! \brief Defines the parameters used to perform txfm search. |
| * |
| * For the most part, this determines how various speed features are used. |
| */ |
| typedef struct { |
| /*! \brief Whether to limit the intra txfm search type to the default txfm. |
| * |
| * This could either be a result of either sequence parameter or speed |
| * features. |
| */ |
| int use_default_intra_tx_type; |
| /*! \brief Whether to limit the inter txfm search type to the default txfm. |
| * |
| * \copydetails use_default_intra_tx_type |
| */ |
| int use_default_inter_tx_type; |
| |
| //! Whether to prune 2d transforms based on 1d transform results. |
| int prune_2d_txfm_mode; |
| |
| /*! \brief Variable from \ref WinnerModeParams based on current eval mode. |
| * |
| * See the documentation for \ref WinnerModeParams for more detail. |
| */ |
| unsigned int coeff_opt_dist_threshold; |
| //! \copydoc coeff_opt_dist_threshold |
| unsigned int coeff_opt_satd_threshold; |
| //! \copydoc coeff_opt_dist_threshold |
| unsigned int tx_domain_dist_threshold; |
| //! \copydoc coeff_opt_dist_threshold |
| TX_SIZE_SEARCH_METHOD tx_size_search_method; |
| //! \copydoc coeff_opt_dist_threshold |
| unsigned int use_transform_domain_distortion; |
| //! \copydoc coeff_opt_dist_threshold |
| unsigned int skip_txfm_level; |
| |
| /*! \brief How to search for the optimal tx_size |
| * |
| * If ONLY_4X4, use TX_4X4; if TX_MODE_LARGEST, use the largest tx_size for |
| * the current partition block; if TX_MODE_SELECT, search through the whole |
| * tree. |
| * |
| * \attention |
| * Although this looks suspicious similar to a bitstream element, this |
| * tx_mode_search_type is only used internally by the encoder, and is *not* |
| * written to the bitstream. It determines what kind of tx_mode would be |
| * searched. For example, we might set it to TX_MODE_LARGEST to find a good |
| * candidate, then code it as TX_MODE_SELECT. |
| */ |
| TX_MODE tx_mode_search_type; |
| |
| /*! |
| * Flag to enable/disable DC block prediction. |
| */ |
| unsigned int predict_dc_level; |
| } TxfmSearchParams; |
| |
| /*!\cond */ |
| #define MAX_NUM_8X8_TXBS ((MAX_MIB_SIZE >> 1) * (MAX_MIB_SIZE >> 1)) |
| #define MAX_NUM_16X16_TXBS ((MAX_MIB_SIZE >> 2) * (MAX_MIB_SIZE >> 2)) |
| #define MAX_NUM_32X32_TXBS ((MAX_MIB_SIZE >> 3) * (MAX_MIB_SIZE >> 3)) |
| #define MAX_NUM_64X64_TXBS ((MAX_MIB_SIZE >> 4) * (MAX_MIB_SIZE >> 4)) |
| /*!\endcond */ |
| |
| /*! \brief Stores various encoding/search decisions related to txfm search. |
| * |
| * This struct contains a cache of previous txfm results, and some buffers for |
| * the current txfm decision. |
| */ |
| typedef struct { |
| //! Whether to skip transform and quantization on a partition block level. |
| int skip_txfm; |
| |
| /*! \brief Whether to skip transform and quantization on a txfm block level. |
| * |
| * Skips transform and quantization on a transform block level inside the |
| * current partition block. Each element of this array is used as a bit-field. |
| * So for example, the we are skipping on the luma plane, then the last bit |
| * would be set to 1. |
| */ |
| uint8_t blk_skip[MAX_MIB_SIZE * MAX_MIB_SIZE]; |
| |
| /*! \brief Transform types inside the partition block |
| * |
| * Keeps a record of what kind of transform to use for each of the transform |
| * block inside the partition block. |
| * \attention The buffer here is *never* directly used. Instead, this just |
| * allocates the memory for MACROBLOCKD::tx_type_map during rdopt on the |
| * partition block. So if we need to save memory, we could move the allocation |
| * to pick_sb_mode instead. |
| * If secondary transform in enabled (CONFIG_IST) each element of the array |
| * stores both primary and secondary transform types as shown below: Bits 4~5 |
| * of each element stores secondary tx_type Bits 0~3 of each element stores |
| * primary tx_type |
| */ |
| TX_TYPE tx_type_map_[MAX_MIB_SIZE * MAX_MIB_SIZE]; |
| |
| /** \name Txfm hash records |
| * Hash records of the transform search results based on the residue. There |
| * are two main types here: |
| * - MB_RD_RECORD: records a whole *partition block*'s inter-mode txfm result. |
| * Since this operates on the partition block level, this can give us a |
| * whole txfm partition tree. |
| * - TXB_RD_RECORD: records a txfm search result within a transform blcok |
| * itself. This operates on txb level only and onlyt appplies to square |
| * txfms. |
| */ |
| /**@{*/ |
| //! Txfm hash record for the whole coding block. |
| MB_RD_RECORD mb_rd_record; |
| |
| //! Inter mode txfm hash record for TX_8X8 blocks. |
| TXB_RD_RECORD txb_rd_record_8X8[MAX_NUM_8X8_TXBS]; |
| //! Inter mode txfm hash record for TX_16X16 blocks. |
| TXB_RD_RECORD txb_rd_record_16X16[MAX_NUM_16X16_TXBS]; |
| //! Inter mode txfm hash record for TX_32X32 blocks. |
| TXB_RD_RECORD txb_rd_record_32X32[MAX_NUM_32X32_TXBS]; |
| //! Inter mode txfm hash record for TX_64X64 blocks. |
| TXB_RD_RECORD txb_rd_record_64X64[MAX_NUM_64X64_TXBS]; |
| //! Intra mode txfm hash record for square tx blocks. |
| TXB_RD_RECORD txb_rd_record_intra; |
| /**@}*/ |
| |
| /*! \brief Number of txb splits. |
| * |
| * Keep track of how many times we've used split tx partition for transform |
| * blocks. Somewhat misleadingly, this parameter doesn't actually keep track |
| * of the count of the current block. Instead, it's a cumulative count across |
| * of the whole frame. The main usage is that if txb_split_count is zero, then |
| * we can signal TX_MODE_LARGEST at frame level. |
| */ |
| // TODO(chiyotsai@google.com): Move this to a more appropriate location such |
| // as ThreadData. |
| unsigned int txb_split_count; |
| #if CONFIG_SPEED_STATS |
| //! For debugging. Used to check how many txfm searches we are doing. |
| unsigned int tx_search_count; |
| #endif // CONFIG_SPEED_STATS |
| } TxfmSearchInfo; |
| #undef MAX_NUM_8X8_TXBS |
| #undef MAX_NUM_16X16_TXBS |
| #undef MAX_NUM_32X32_TXBS |
| #undef MAX_NUM_64X64_TXBS |
| |
| /*! \brief Holds the entropy costs for various modes sent to the bitstream. |
| * |
| * \attention This does not include the costs for mv and transformed |
| * coefficients. |
| */ |
| typedef struct { |
| /***************************************************************************** |
| * \name Partition Costs |
| ****************************************************************************/ |
| /**@{*/ |
| //! Cost for coding the partition. |
| int partition_cost[PARTITION_STRUCTURE_NUM][PARTITION_CONTEXTS] |
| [EXT_PARTITION_TYPES]; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Intra Costs: General |
| ****************************************************************************/ |
| /**@{*/ |
| //! Luma mode cost for inter frame. |
| int mbmode_cost[BLOCK_SIZE_GROUPS][INTRA_MODES]; |
| //! Luma mode cost for intra frame. |
| int y_mode_costs[INTRA_MODES][INTRA_MODES][INTRA_MODES]; |
| #if !CONFIG_AIMC |
| //! Chroma mode cost |
| int intra_uv_mode_cost[CFL_ALLOWED_TYPES][INTRA_MODES][UV_INTRA_MODES]; |
| #endif // !CONFIG_AIMC |
| //! filter_intra_cost |
| int filter_intra_cost[BLOCK_SIZES_ALL][2]; |
| //! filter_intra_mode_cost |
| int filter_intra_mode_cost[FILTER_INTRA_MODES]; |
| //! angle_delta_cost |
| int angle_delta_cost[PARTITION_STRUCTURE_NUM][DIRECTIONAL_MODES] |
| [2 * MAX_ANGLE_DELTA + 1]; |
| |
| //! mrl_index_cost |
| int mrl_index_cost[MRL_LINE_NUMBER]; |
| #if CONFIG_FORWARDSKIP |
| //! Cost of signaling the forward skip coding mode |
| int fsc_cost[FSC_MODE_CONTEXTS][FSC_BSIZE_CONTEXTS][FSC_MODES]; |
| #endif // CONFIG_FORWARDSKIP |
| #if CONFIG_AIMC |
| //! y primary flag cost |
| int y_primary_flag_cost[INTRA_MODE_SETS]; |
| //! y first mode cost |
| int y_first_mode_costs[Y_MODE_CONTEXTS][FIRST_MODE_COUNT]; |
| //! y second mode cost |
| int y_second_mode_costs[Y_MODE_CONTEXTS][SECOND_MODE_COUNT]; |
| //! uv mode cost |
| int intra_uv_mode_cost[CFL_ALLOWED_TYPES][UV_MODE_CONTEXTS][UV_INTRA_MODES]; |
| #endif // CONFIG_AIMC |
| |
| #if CONFIG_IST |
| //! Cost of signaling secondary transform index |
| int stx_flag_cost[TX_SIZES][STX_TYPES]; |
| #endif |
| |
| //! Rate rate associated with each alpha codeword |
| int cfl_cost[CFL_JOINT_SIGNS][CFL_PRED_PLANES][CFL_ALPHABET_SIZE]; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Intra Costs: Screen Contents |
| ****************************************************************************/ |
| /**@{*/ |
| //! intrabc_cost |
| int intrabc_cost[2]; |
| #if CONFIG_BVP_IMPROVEMENT |
| //! intrabc_mode_cost |
| int intrabc_mode_cost[2]; |
| //! intrabc_drl_idx_cost |
| int intrabc_drl_idx_cost[MAX_REF_BV_STACK_SIZE - 1][2]; |
| #endif // CONFIG_BVP_IMPROVEMENT |
| |
| //! palette_y_size_cost |
| int palette_y_size_cost[PALATTE_BSIZE_CTXS][PALETTE_SIZES]; |
| //! palette_uv_size_cost |
| int palette_uv_size_cost[PALATTE_BSIZE_CTXS][PALETTE_SIZES]; |
| //! palette_y_color_cost |
| int palette_y_color_cost[PALETTE_SIZES][PALETTE_COLOR_INDEX_CONTEXTS] |
| [PALETTE_COLORS]; |
| //! palette_uv_color_cost |
| int palette_uv_color_cost[PALETTE_SIZES][PALETTE_COLOR_INDEX_CONTEXTS] |
| [PALETTE_COLORS]; |
| //! palette_y_mode_cost |
| int palette_y_mode_cost[PALATTE_BSIZE_CTXS][PALETTE_Y_MODE_CONTEXTS][2]; |
| //! palette_uv_mode_cost |
| int palette_uv_mode_cost[PALETTE_UV_MODE_CONTEXTS][2]; |
| #if CONFIG_NEW_COLOR_MAP_CODING |
| //! palette_y_row_flag_cost |
| int palette_y_row_flag_cost[PALETTE_ROW_FLAG_CONTEXTS][2]; |
| //! palette_uv_row_flag_cost |
| int palette_uv_row_flag_cost[PALETTE_ROW_FLAG_CONTEXTS][2]; |
| #endif // CONFIG_NEW_COLOR_MAP_CODING |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Inter Costs: MV Modes |
| ****************************************************************************/ |
| /**@{*/ |
| //! skip_mode_cost |
| int skip_mode_cost[SKIP_MODE_CONTEXTS][2]; |
| //! inter single mode cost |
| int inter_single_mode_cost[INTER_SINGLE_MODE_CONTEXTS][INTER_SINGLE_MODES]; |
| //! drl_mode_cost |
| int drl_mode_cost[3][DRL_MODE_CONTEXTS][2]; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Inter Costs: Ref Frame Types |
| ****************************************************************************/ |
| /**@{*/ |
| #if CONFIG_NEW_REF_SIGNALING |
| //! single_ref_cost |
| int single_ref_cost[REF_CONTEXTS][INTER_REFS_PER_FRAME - 1][2]; |
| //! comp_ref0_cost |
| int comp_ref0_cost[REF_CONTEXTS][INTER_REFS_PER_FRAME - 2][2]; |
| //! comp_ref1_cost |
| int comp_ref1_cost[REF_CONTEXTS][COMPREF_BIT_TYPES][INTER_REFS_PER_FRAME - 2] |
| [2]; |
| #else |
| //! single_ref_cost |
| int single_ref_cost[REF_CONTEXTS][SINGLE_REFS - 1][2]; |
| //! comp_ref_type_cost |
| int comp_ref_type_cost[COMP_REF_TYPE_CONTEXTS] |
| [CDF_SIZE(COMP_REFERENCE_TYPES)]; |
| //! uni_comp_ref_cost |
| int uni_comp_ref_cost[UNI_COMP_REF_CONTEXTS][UNIDIR_COMP_REFS - 1] |
| [CDF_SIZE(2)]; |
| /*! \brief Cost for signaling ref_frame[0] in bidir-comp mode |
| * |
| * Includes LAST_FRAME, LAST2_FRAME, LAST3_FRAME, and GOLDEN_FRAME. |
| */ |
| int comp_ref_cost[REF_CONTEXTS][FWD_REFS - 1][2]; |
| /*! \brief Cost for signaling ref_frame[1] in bidir-comp mode |
| * |
| * Includes ALTREF_FRAME, ALTREF2_FRAME, and BWDREF_FRAME. |
| */ |
| int comp_bwdref_cost[REF_CONTEXTS][BWD_REFS - 1][2]; |
| #endif // CONFIG_NEW_REF_SIGNALING |
| //! comp_inter_cost |
| int comp_inter_cost[COMP_INTER_CONTEXTS][2]; |
| #if CONFIG_TIP |
| //! tip_cost |
| int tip_cost[TIP_CONTEXTS][CDF_SIZE(2)]; |
| #endif // CONFIG_TIP |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Inter Costs: Compound Types |
| ****************************************************************************/ |
| /**@{*/ |
| //! intra_inter_cost |
| #if CONFIG_CONTEXT_DERIVATION |
| int intra_inter_cost[INTRA_INTER_SKIP_TXFM_CONTEXTS][INTRA_INTER_CONTEXTS][2]; |
| #else |
| int intra_inter_cost[INTRA_INTER_CONTEXTS][2]; |
| #endif // CONFIG_CONTEXT_DERIVATION |
| //! inter_compound_mode_cost |
| #if CONFIG_OPTFLOW_REFINEMENT |
| /*! use_optflow_cost */ |
| int use_optflow_cost[INTER_COMPOUND_MODE_CONTEXTS][2]; |
| /*! inter_compound_mode_cost */ |
| int inter_compound_mode_cost[INTER_COMPOUND_MODE_CONTEXTS] |
| [INTER_COMPOUND_REF_TYPES]; |
| #else |
| /*! inter_compound_mode_cost */ |
| int inter_compound_mode_cost[INTER_COMPOUND_MODE_CONTEXTS] |
| [INTER_COMPOUND_MODES]; |
| #endif // CONFIG_OPTFLOW_REFINEMENT |
| #if IMPROVED_AMVD && CONFIG_JOINT_MVD |
| //! adaptive_mvd_cost |
| int adaptive_mvd_cost[2]; |
| #endif // IMPROVED_AMVD && CONFIG_JOINT_MVD |
| //! compound_type_cost |
| int compound_type_cost[BLOCK_SIZES_ALL][MASKED_COMPOUND_TYPES]; |
| //! wedge_idx_cost |
| int wedge_idx_cost[BLOCK_SIZES_ALL][16]; |
| //! interintra_cost |
| int interintra_cost[BLOCK_SIZE_GROUPS][2]; |
| //! wedge_interintra_cost |
| int wedge_interintra_cost[BLOCK_SIZES_ALL][2]; |
| //! interintra_mode_cost |
| int interintra_mode_cost[BLOCK_SIZE_GROUPS][INTERINTRA_MODES]; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Inter Costs: Compound Masks |
| ****************************************************************************/ |
| /**@{*/ |
| //! comp_group_idx_cost |
| int comp_group_idx_cost[COMP_GROUP_IDX_CONTEXTS][2]; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Inter Costs: Motion Modes/Filters |
| ****************************************************************************/ |
| /**@{*/ |
| //! motion_mode_cost |
| int motion_mode_cost[BLOCK_SIZES_ALL][MOTION_MODES]; |
| //! motion_mode_cost1 |
| int motion_mode_cost1[BLOCK_SIZES_ALL][2]; |
| //! switchable_interp_costs |
| int switchable_interp_costs[SWITCHABLE_FILTER_CONTEXTS][SWITCHABLE_FILTERS]; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Txfm Mode Costs |
| ****************************************************************************/ |
| /**@{*/ |
| //! skip_txfm_cost |
| int skip_txfm_cost[SKIP_CONTEXTS][2]; |
| #if CONFIG_NEW_TX_PARTITION |
| //! intra_4way_txfm_partition_cost |
| int intra_4way_txfm_partition_cost[2][TX_SIZE_CONTEXTS][4]; |
| //! intra_2way_txfm_partition_cost |
| int intra_2way_txfm_partition_cost[2]; |
| //! intra_2way_rect_txfm_partition_cost |
| int intra_2way_rect_txfm_partition_cost[2]; |
| //! inter_4way_txfm_partition_cost |
| int inter_4way_txfm_partition_cost[2][TXFM_PARTITION_INTER_CONTEXTS][4]; |
| //! inter_2way_txfm_partition_cost |
| int inter_2way_txfm_partition_cost[2]; |
| //! inter_2way_rect_txfm_partition_cost |
| int inter_2way_rect_txfm_partition_cost[2]; |
| #else // CONFIG_NEW_TX_PARTITION |
| //! tx_size_cost |
| int tx_size_cost[TX_SIZES - 1][TX_SIZE_CONTEXTS][TX_SIZES]; |
| //! txfm_partition_cost |
| int txfm_partition_cost[TXFM_PARTITION_CONTEXTS][2]; |
| #endif // CONFIG_NEW_TX_PARTITION |
| //! inter_tx_type_costs |
| int inter_tx_type_costs[EXT_TX_SETS_INTER][EXT_TX_SIZES][TX_TYPES]; |
| //! intra_tx_type_costs |
| int intra_tx_type_costs[EXT_TX_SETS_INTRA][EXT_TX_SIZES][INTRA_MODES] |
| [TX_TYPES]; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Restoration Mode Costs |
| ****************************************************************************/ |
| /**@{*/ |
| //! switchable_restore_cost |
| int switchable_restore_cost[RESTORE_SWITCHABLE_TYPES]; |
| //! wiener_restore_cost |
| int wiener_restore_cost[2]; |
| //! sgrproj_restore_cost |
| int sgrproj_restore_cost[2]; |
| /**@}*/ |
| } ModeCosts; |
| |
| /*! \brief Holds mv costs for encoding and motion search. |
| */ |
| typedef struct { |
| /***************************************************************************** |
| * \name Rate to Distortion Multipliers |
| ****************************************************************************/ |
| /**@{*/ |
| //! A multiplier that converts mv cost to l2 error. |
| int errorperbit; |
| //! A multiplier that converts mv cost to l1 error. |
| int sadperbit; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Encoding Costs |
| * Here are the entropy costs needed to encode a given mv. |
| * \ref nmv_cost_alloc and \ref nmv_cost_hp_alloc are two arrays that holds |
| * the memory for holding the mv cost. But since the motion vectors can be |
| * negative, we shift them to the middle and store the resulting pointer in |
| * \ref nmv_cost and \ref nmv_cost_hp for easier referencing. Finally, \ref |
| * mv_cost_stack points to the \ref nmv_cost with the mv precision we are |
| * currently working with. In essence, only \ref mv_cost_stack is needed for |
| * motion search, the other can be considered private. |
| ****************************************************************************/ |
| /**@{*/ |
| //! Costs for coding the zero components. |
| int nmv_joint_cost[MV_JOINTS]; |
| |
| #if CONFIG_ADAPTIVE_MVD |
| //! Costs for coding the zero components when adaptive MVD resolution is |
| //! applied |
| int amvd_nmv_joint_cost[MV_JOINTS]; |
| #endif // CONFIG_ADAPTIVE_MVD |
| |
| //! Allocates memory for 1/4-pel motion vector costs. |
| int nmv_cost_alloc[2][MV_VALS]; |
| //! Allocates memory for 1/8-pel motion vector costs. |
| int nmv_cost_hp_alloc[2][MV_VALS]; |
| #if CONFIG_ADAPTIVE_MVD |
| //! Allocates memory for 1/4-pel motion vector costs when adaptive MVD |
| //! resolution is applied |
| int amvd_nmv_cost_alloc[2][MV_VALS]; |
| //! Allocates memory for 1/8-pel motion vector costs when adaptive MVD |
| //! resolution is applied mode is used. |
| int amvd_nmv_cost_hp_alloc[2][MV_VALS]; |
| #endif // CONFIG_ADAPTIVE_MVD |
| //! Points to the middle of \ref nmv_cost_alloc |
| int *nmv_cost[2]; |
| //! Points to the middle of \ref nmv_cost_hp_alloc |
| int *nmv_cost_hp[2]; |
| #if CONFIG_ADAPTIVE_MVD |
| //! Points to the middle of \ref amvd_nmv_cost_alloc |
| int *amvd_nmv_cost[2]; |
| //! Points to the middle of \ref amvd_nmv_cost_hp_alloc |
| int *amvd_nmv_cost_hp[2]; |
| #endif // CONFIG_ADAPTIVE_MVD |
| //! Points to the nmv_cost_hp in use. |
| int **mv_cost_stack; |
| #if CONFIG_ADAPTIVE_MVD |
| //! Points to the nmv_cost_hp in use. |
| int **amvd_mv_cost_stack; |
| #endif // CONFIG_ADAPTIVE_MVD |
| /**@}*/ |
| } MvCosts; |
| |
| /*! \brief Holds the costs needed to encode the coefficients |
| */ |
| typedef struct { |
| //! Costs for coding the coefficients. |
| LV_MAP_COEFF_COST coeff_costs[TX_SIZES][PLANE_TYPES]; |
| //! Costs for coding the eobs. |
| LV_MAP_EOB_COST eob_costs[7][2]; |
| } CoeffCosts; |
| |
| /*!\cond */ |
| #define SINGLE_REF_MODES ((REF_FRAMES - 1) * 4) |
| /*!\endcond */ |
| struct inter_modes_info; |
| |
| /*! \brief Encoder's parameters related to the current coding block. |
| * |
| * This struct contains most of the information the encoder needs to encode the |
| * current coding block. This includes the src and pred buffer, a copy of the |
| * decoder's view of the current block, the txfm coefficients. This struct also |
| * contains various buffers and data used to speed up the encoding process. |
| */ |
| typedef struct macroblock { |
| /***************************************************************************** |
| * \name Source, Buffers and Decoder |
| ****************************************************************************/ |
| /**@{*/ |
| /*! \brief Each of the encoding plane. |
| * |
| * An array holding the src buffer for each of plane of the current block. It |
| * also contains the txfm and quantized txfm coefficients. |
| */ |
| struct macroblock_plane plane[MAX_MB_PLANE]; |
| |
| /*! \brief Decoder's view of current coding block. |
| * |
| * Contains the encoder's copy of what the decoder sees in the current block. |
| * Most importantly, this struct contains pointers to mbmi that is used in |
| * final bitstream packing. |
| */ |
| MACROBLOCKD e_mbd; |
| |
| /*! \brief Derived coding information. |
| * |
| * Contains extra information not transmitted in the bitstream but are |
| * derived. For example, this contains the stack of ref_mvs. |
| */ |
| MB_MODE_INFO_EXT *mbmi_ext; |
| |
| /*! \brief Finalized mbmi_ext for the whole frame. |
| * |
| * Contains the finalized info in mbmi_ext that gets used at the frame level |
| * for bitstream packing. |
| */ |
| MB_MODE_INFO_EXT_FRAME *mbmi_ext_frame; |
| |
| //! Entropy context for the current row. |
| FRAME_CONTEXT *row_ctx; |
| /*! \brief Entropy context for the current tile. |
| * |
| * This context will be used to update color_map_cdf pointer which would be |
| * used during pack bitstream. For single thread and tile-multithreading case |
| * this pointer will be same as xd->tile_ctx, but for the case of row-mt: |
| * xd->tile_ctx will point to a temporary context while tile_pb_ctx will point |
| * to the accurate tile context. |
| */ |
| FRAME_CONTEXT *tile_pb_ctx; |
| |
| /*! \brief Buffer of transformed coefficients |
| * |
| * Points to cb_coef_buff in the AV1_COMP struct, which contains the finalized |
| * coefficients. This is here to conveniently copy the best coefficients to |
| * frame level for bitstream packing. Since CB_COEFF_BUFFER is allocated on a |
| * superblock level, we need to combine it with cb_offset to get the proper |
| * position for the current coding block. |
| */ |
| CB_COEFF_BUFFER *cb_coef_buff; |
| //! Offset of current coding block's coeff buffer relative to the sb. |
| int cb_offset[MAX_MB_PLANE]; |
| |
| //! Modified source and masks used for fast OBMC search. |
| OBMCBuffer obmc_buffer; |
| //! Buffer to store the best palette map. |
| PALETTE_BUFFER *palette_buffer; |
| //! Buffer used for compound_type_rd(). |
| CompoundTypeRdBuffers comp_rd_buffer; |
| //! Buffer to store convolution during averaging process in compound mode. |
| CONV_BUF_TYPE *tmp_conv_dst; |
| |
| /*! \brief Temporary buffer to hold prediction. |
| * |
| * Points to a buffer that is used to hold temporary prediction results. This |
| * is used in two ways: |
| * - This is a temporary buffer used to pingpong the prediction in |
| * handle_inter_mode. |
| * - xd->tmp_obmc_bufs also points to this buffer, and is used in ombc |
| * prediction. |
| */ |
| uint8_t *tmp_pred_bufs[2]; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Rdopt Costs |
| ****************************************************************************/ |
| /**@{*/ |
| /*! \brief Quantization index for the current partition block. |
| * |
| * This is used to as the index to find quantization parameter for luma and |
| * chroma transformed coefficients. |
| */ |
| int qindex; |
| |
| /*! \brief Difference between frame-level qindex and current qindex. |
| * |
| * This is used to track whether a non-zero delta for qindex is used at least |
| * once in the current frame. |
| */ |
| int delta_qindex; |
| |
| /*! \brief Rate-distortion multiplier. |
| * |
| * The rd multiplier used to determine the rate-distortion trade-off. This is |
| * roughly proportional to the inverse of q-index for a given frame, but this |
| * can be manipulated for better rate-control. For example, in tune_ssim |
| * mode, this is scaled by a factor related to the variance of the current |
| * block. |
| */ |
| int rdmult; |
| |
| //! Energy in the current source coding block. Used to calculate \ref rdmult |
| int mb_energy; |
| //! Energy in the current source superblock. Used to calculate \ref rdmult |
| int sb_energy_level; |
| |
| //! The rate needed to signal a mode to the bitstream. |
| ModeCosts mode_costs; |
| |
| //! The rate needed to encode a new motion vector to the bitstream and some |
| //! multipliers for motion search. |
| MvCosts mv_costs; |
| |
| //! The rate needed to signal the txfm coefficients to the bitstream. |
| CoeffCosts coeff_costs; |
| /**@}*/ |
| |
| /****************************************************************************** |
| * \name Segmentation |
| *****************************************************************************/ |
| /**@{*/ |
| /*! \brief Skip mode for the segment |
| * |
| * A syntax element of the segmentation mode. In skip_block mode, all mvs are |
| * set 0 and all txfms are skipped. |
| */ |
| int seg_skip_block; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Superblock |
| ****************************************************************************/ |
| /**@{*/ |
| //! Information on a whole superblock level. |
| // TODO(chiyotsai@google.com): Refactor this out of macroblock |
| SuperBlockEnc sb_enc; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Reference Frame Searc |
| ****************************************************************************/ |
| /**@{*/ |
| /*! \brief Sum absolute distortion of the predicted mv for each ref frame. |
| * |
| * This is used to measure how viable a reference frame is. |
| */ |
| int pred_mv_sad[SINGLE_REF_FRAMES]; |
| |
| //! The minimum of \ref pred_mv_sad. |
| int best_pred_mv_sad; |
| |
| /*! \brief Disables certain ref frame pruning based on tpl. |
| * |
| * Determines whether a given ref frame is "good" based on data from the TPL |
| * model. If so, this stops selective_ref frame from pruning the given ref |
| * frame at block level. |
| */ |
| uint8_t tpl_keep_ref_frame[REF_FRAMES]; |
| |
| /*! \brief Reference frames picked by the square subblocks in a superblock. |
| * |
| * Keeps track of ref frames that are selected by square partition blocks |
| * within a superblock, in MI resolution. They can be used to prune ref frames |
| * for rectangular blocks. |
| */ |
| int picked_ref_frames_mask[MAX_MIB_SIZE * MAX_MIB_SIZE]; |
| |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Partition Search |
| ****************************************************************************/ |
| /**@{*/ |
| //! Stores some partition-search related buffers. |
| PartitionSearchInfo part_search_info; |
| |
| /*! \brief Whether to disable some features to force a mode in current block. |
| * |
| * In some cases, our speed features can be overly aggressive and remove all |
| * modes search in the superblock. When this happens, we set |
| * must_find_valid_partition to 1 to reduce the number of speed features, and |
| * recode the superblock again. |
| */ |
| int must_find_valid_partition; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Prediction Mode Search |
| ****************************************************************************/ |
| /**@{*/ |
| /*! \brief Inter skip mode. |
| * |
| * Skip mode tries to use the closest forward and backward references for |
| * inter prediction. Skip here means to skip transmitting the reference |
| * frames, not to be confused with skip_txfm. |
| */ |
| int skip_mode; |
| |
| /*! \brief Factors used for rd-thresholding. |
| * |
| * Determines a rd threshold to determine whether to continue searching the |
| * current mode. If the current best rd is already <= threshold, then we skip |
| * the current mode. |
| */ |
| #if CONFIG_NEW_REF_SIGNALING |
| int thresh_freq_fact[BLOCK_SIZES_ALL][MB_MODE_COUNT]; |
| #else |
| int thresh_freq_fact[BLOCK_SIZES_ALL][MAX_MODES]; |
| #endif // CONFIG_NEW_REF_SIGNALING |
| |
| /*! \brief Tracks the winner modes in the current coding block. |
| * |
| * Winner mode is a two-pass strategy to find the best prediction mode. In the |
| * first pass, we search the prediction modes with a limited set of txfm |
| * options, and keep the top modes. These modes are called the winner modes. |
| * In the second pass, we retry the winner modes with more thorough txfm |
| * options. |
| */ |
| WinnerModeStats winner_mode_stats[AOMMAX(MAX_WINNER_MODE_COUNT_INTRA, |
| MAX_WINNER_MODE_COUNT_INTER)]; |
| //! Tracks how many winner modes there are. |
| int winner_mode_count; |
| |
| /*! \brief The model used for rd-estimation to avoid txfm |
| * |
| * These are for inter_mode_rd_model_estimation, which is another two pass |
| * approach. In this speed feature, we collect data in the first couple frames |
| * to build an rd model to estimate the rdcost of a prediction model based on |
| * the residue error. Once enough data is collected, this speed feature uses |
| * the estimated rdcost to find the most performant prediction mode. Then we |
| * follow up with a second pass find the best transform for the mode. |
| * Determines if one would go with reduced complexity transform block |
| * search model to select prediction modes, or full complexity model |
| * to select transform kernel. |
| */ |
| TXFM_RD_MODEL rd_model; |
| |
| /*! \brief Stores the inter mode information needed to build an rd model. |
| * |
| * These are for inter_mode_rd_model_estimation, which is another two pass |
| * approach. In this speed feature, we collect data in the first couple frames |
| * to build an rd model to estimate the rdcost of a prediction model based on |
| * the residue error. Once enough data is collected, this speed feature uses |
| * the estimated rdcost to find the most performant prediction mode. Then we |
| * follow up with a second pass find the best transform for the mode. |
| */ |
| // TODO(any): try to consolidate this speed feature with winner mode |
| // processing. |
| struct inter_modes_info *inter_modes_info; |
| |
| //! A caches of results of compound type search so they can be reused later. |
| COMP_RD_STATS comp_rd_stats[MAX_COMP_RD_STATS]; |
| //! The idx for the latest compound mode in the cache \ref comp_rd_stats. |
| int comp_rd_stats_idx; |
| |
| /*! \brief Whether to recompute the luma prediction. |
| * |
| * In interpolation search, we can usually skip recalculating the luma |
| * prediction because it is already calculated by a previous predictor. This |
| * flag signifies that some modes might have been skipped, so we need to |
| * rebuild the prediction. |
| */ |
| int recalc_luma_mc_data; |
| |
| /*! \brief Data structure to speed up intrabc search. |
| * |
| * Contains the hash table, hash function, and buffer used for intrabc. |
| */ |
| IntraBCHashInfo intrabc_hash_info; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name MV Search |
| ****************************************************************************/ |
| /**@{*/ |
| /*! \brief Context used to determine the initial step size in motion search. |
| * |
| * This context is defined as the \f$l_\inf\f$ norm of the best ref_mvs for |
| * each frame. |
| */ |
| unsigned int max_mv_context[SINGLE_REF_FRAMES]; |
| |
| /*! \brief Limit for the range of motion vectors. |
| * |
| * These define limits to motion vector components to prevent them from |
| * extending outside the UMV borders |
| */ |
| FullMvLimits mv_limits; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Txfm Search |
| ****************************************************************************/ |
| /**@{*/ |
| /*! \brief Parameters that control how motion search is done. |
| * |
| * Stores various txfm search related parameters such as txfm_type, txfm_size, |
| * trellis eob search, etc. |
| */ |
| TxfmSearchParams txfm_search_params; |
| |
| /*! \brief Results of the txfm searches that have been done. |
| * |
| * Caches old txfm search results and keeps the current txfm decisions to |
| * facilitate rdopt. |
| */ |
| TxfmSearchInfo txfm_search_info; |
| /**@}*/ |
| |
| /***************************************************************************** |
| * \name Misc |
| ****************************************************************************/ |
| /**@{*/ |
| //! Variance of the source frame. |
| unsigned int source_variance; |
| //! SSE of the current predictor. |
| unsigned int pred_sse[SINGLE_REF_FRAMES]; |
| /**@}*/ |
| } MACROBLOCK; |
| #undef SINGLE_REF_MODES |
| |
| /*!\cond */ |
| static INLINE int is_rect_tx_allowed_bsize(BLOCK_SIZE bsize) { |
| static const char LUT[BLOCK_SIZES_ALL] = { |
| #if CONFIG_NEW_TX_PARTITION |
| 0, // BLOCK_4X4 |
| 1, // BLOCK_4X8 |
| 1, // BLOCK_8X4 |
| 1, // BLOCK_8X8 |
| 1, // BLOCK_8X16 |
| 1, // BLOCK_16X8 |
| 1, // BLOCK_16X16 |
| 1, // BLOCK_16X32 |
| 1, // BLOCK_32X16 |
| 1, // BLOCK_32X32 |
| 1, // BLOCK_32X64 |
| 1, // BLOCK_64X32 |
| 1, // BLOCK_64X64 |
| 1, // BLOCK_64X128 |
| 1, // BLOCK_128X64 |
| 1, // BLOCK_128X128 |
| 1, // BLOCK_4X16 |
| 1, // BLOCK_16X4 |
| 1, // BLOCK_8X32 |
| 1, // BLOCK_32X8 |
| 1, // BLOCK_16X64 |
| 1, // BLOCK_64X16 |
| #else |
| 0, // BLOCK_4X4 |
| 1, // BLOCK_4X8 |
| 1, // BLOCK_8X4 |
| 0, // BLOCK_8X8 |
| 1, // BLOCK_8X16 |
| 1, // BLOCK_16X8 |
| 0, // BLOCK_16X16 |
| 1, // BLOCK_16X32 |
| 1, // BLOCK_32X16 |
| 0, // BLOCK_32X32 |
| 1, // BLOCK_32X64 |
| 1, // BLOCK_64X32 |
| 0, // BLOCK_64X64 |
| 0, // BLOCK_64X128 |
| 0, // BLOCK_128X64 |
| 0, // BLOCK_128X128 |
| 1, // BLOCK_4X16 |
| 1, // BLOCK_16X4 |
| 1, // BLOCK_8X32 |
| 1, // BLOCK_32X8 |
| 1, // BLOCK_16X64 |
| 1, // BLOCK_64X16 |
| #endif // CONFIG_NEW_TX_PARTITION |
| }; |
| |
| return LUT[bsize]; |
| } |
| |
| static INLINE int is_rect_tx_allowed(const MACROBLOCKD *xd, |
| const MB_MODE_INFO *mbmi) { |
| return is_rect_tx_allowed_bsize( |
| mbmi->sb_type[xd->tree_type == CHROMA_PART]) && |
| !xd->lossless[mbmi->segment_id]; |
| } |
| |
| #if !CONFIG_IST && !CONFIG_NEW_TX_PARTITION |
| static INLINE int tx_size_to_depth(TX_SIZE tx_size, BLOCK_SIZE bsize) { |
| TX_SIZE ctx_size = max_txsize_rect_lookup[bsize]; |
| int depth = 0; |
| while (tx_size != ctx_size) { |
| depth++; |
| ctx_size = sub_tx_size_map[ctx_size]; |
| assert(depth <= MAX_TX_DEPTH); |
| } |
| return depth; |
| } |
| #endif |
| |
| static INLINE void set_blk_skip(uint8_t txb_skip[], int plane, int blk_idx, |
| int skip) { |
| if (skip) |
| txb_skip[blk_idx] |= 1UL << plane; |
| else |
| txb_skip[blk_idx] &= ~(1UL << plane); |
| #ifndef NDEBUG |
| // Set chroma planes to uninitialized states when luma is set to check if |
| // it will be set later |
| if (plane == 0) { |
| txb_skip[blk_idx] |= 1UL << (1 + 4); |
| txb_skip[blk_idx] |= 1UL << (2 + 4); |
| } |
| |
| // Clear the initialization checking bit |
| txb_skip[blk_idx] &= ~(1UL << (plane + 4)); |
| #endif |
| } |
| |
| static INLINE int is_blk_skip(uint8_t *txb_skip, int plane, int blk_idx) { |
| #ifndef NDEBUG |
| // The magic number is 0x77, this is to test if there is garbage data |
| assert((txb_skip[blk_idx] & 0x88) == 0); |
| #endif |
| return (txb_skip[blk_idx] >> plane) & 1; |
| } |
| |
| /*!\endcond */ |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_AV1_ENCODER_BLOCK_H_ |