| /* |
| * 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 AOM_AV1_COMMON_AV1_COMMON_INT_H_ |
| #define AOM_AV1_COMMON_AV1_COMMON_INT_H_ |
| |
| #include <stdbool.h> |
| |
| #include "config/aom_config.h" |
| #include "config/av1_rtcd.h" |
| |
| #include "aom/internal/aom_codec_internal.h" |
| #include "aom_dsp/flow_estimation/corner_detect.h" |
| #include "aom_util/aom_pthread.h" |
| #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/enums.h" |
| #include "av1/common/frame_buffers.h" |
| #include "av1/common/mv.h" |
| #include "av1/common/quant_common.h" |
| #include "av1/common/restoration.h" |
| #include "av1/common/tile_common.h" |
| #include "av1/common/timing.h" |
| #include "aom_dsp/grain_params.h" |
| #include "aom_dsp/grain_table.h" |
| #include "aom_dsp/odintrin.h" |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #if defined(__clang__) && defined(__has_warning) |
| #if __has_feature(cxx_attributes) && __has_warning("-Wimplicit-fallthrough") |
| #define AOM_FALLTHROUGH_INTENDED [[clang::fallthrough]] // NOLINT |
| #endif |
| #elif defined(__GNUC__) && __GNUC__ >= 7 |
| #define AOM_FALLTHROUGH_INTENDED __attribute__((fallthrough)) // NOLINT |
| #endif |
| |
| #ifndef AOM_FALLTHROUGH_INTENDED |
| #define AOM_FALLTHROUGH_INTENDED \ |
| do { \ |
| } while (0) |
| #endif |
| |
| #define CDEF_MAX_STRENGTHS 16 |
| |
| /* Constant values while waiting for the sequence header */ |
| #define FRAME_ID_LENGTH 15 |
| #define DELTA_FRAME_ID_LENGTH 14 |
| |
| #define FRAME_CONTEXTS (FRAME_BUFFERS + 1) |
| // Extra frame context which is always kept at default values |
| #define FRAME_CONTEXT_DEFAULTS (FRAME_CONTEXTS - 1) |
| #define PRIMARY_REF_BITS 3 |
| #define PRIMARY_REF_NONE 7 |
| |
| #define NUM_PING_PONG_BUFFERS 2 |
| |
| #define MAX_NUM_TEMPORAL_LAYERS 8 |
| #define MAX_NUM_SPATIAL_LAYERS 4 |
| /* clang-format off */ |
| // clang-format seems to think this is a pointer dereference and not a |
| // multiplication. |
| #define MAX_NUM_OPERATING_POINTS \ |
| (MAX_NUM_TEMPORAL_LAYERS * MAX_NUM_SPATIAL_LAYERS) |
| /* clang-format on */ |
| |
| // TODO(jingning): Turning this on to set up transform coefficient |
| // processing timer. |
| #define TXCOEFF_TIMER 0 |
| #define TXCOEFF_COST_TIMER 0 |
| |
| /*!\cond */ |
| |
| enum { |
| SINGLE_REFERENCE = 0, |
| COMPOUND_REFERENCE = 1, |
| REFERENCE_MODE_SELECT = 2, |
| REFERENCE_MODES = 3, |
| } UENUM1BYTE(REFERENCE_MODE); |
| |
| enum { |
| /** |
| * Frame context updates are disabled |
| */ |
| REFRESH_FRAME_CONTEXT_DISABLED, |
| /** |
| * Update frame context to values resulting from backward probability |
| * updates based on entropy/counts in the decoded frame |
| */ |
| REFRESH_FRAME_CONTEXT_BACKWARD, |
| } UENUM1BYTE(REFRESH_FRAME_CONTEXT_MODE); |
| |
| #define MFMV_STACK_SIZE 3 |
| typedef struct { |
| int_mv mfmv0; |
| uint8_t ref_frame_offset; |
| } TPL_MV_REF; |
| |
| typedef struct { |
| int_mv mv; |
| MV_REFERENCE_FRAME ref_frame; |
| } MV_REF; |
| |
| typedef struct RefCntBuffer { |
| // For a RefCntBuffer, the following are reference-holding variables: |
| // - cm->ref_frame_map[] |
| // - cm->cur_frame |
| // - cm->scaled_ref_buf[] (encoder only) |
| // - pbi->output_frame_index[] (decoder only) |
| // With that definition, 'ref_count' is the number of reference-holding |
| // variables that are currently referencing this buffer. |
| // For example: |
| // - suppose this buffer is at index 'k' in the buffer pool, and |
| // - Total 'n' of the variables / array elements above have value 'k' (that |
| // is, they are pointing to buffer at index 'k'). |
| // Then, pool->frame_bufs[k].ref_count = n. |
| int ref_count; |
| |
| unsigned int order_hint; |
| unsigned int ref_order_hints[INTER_REFS_PER_FRAME]; |
| |
| // These variables are used only in encoder and compare the absolute |
| // display order hint to compute the relative distance and overcome |
| // the limitation of get_relative_dist() which returns incorrect |
| // distance when a very old frame is used as a reference. |
| unsigned int display_order_hint; |
| unsigned int ref_display_order_hint[INTER_REFS_PER_FRAME]; |
| // Frame's level within the hierarchical structure. |
| unsigned int pyramid_level; |
| MV_REF *mvs; |
| uint8_t *seg_map; |
| struct segmentation seg; |
| int mi_rows; |
| int mi_cols; |
| // Width and height give the size of the buffer (before any upscaling, unlike |
| // the sizes that can be derived from the buf structure) |
| int width; |
| int height; |
| WarpedMotionParams global_motion[REF_FRAMES]; |
| int showable_frame; // frame can be used as show existing frame in future |
| uint8_t film_grain_params_present; |
| aom_film_grain_t film_grain_params; |
| aom_codec_frame_buffer_t raw_frame_buffer; |
| YV12_BUFFER_CONFIG buf; |
| int temporal_id; // Temporal layer ID of the frame |
| int spatial_id; // Spatial layer ID of the frame |
| FRAME_TYPE frame_type; |
| |
| // This is only used in the encoder but needs to be indexed per ref frame |
| // so it's extremely convenient to keep it here. |
| int interp_filter_selected[SWITCHABLE]; |
| |
| // Inter frame reference frame delta for loop filter |
| int8_t ref_deltas[REF_FRAMES]; |
| |
| // 0 = ZERO_MV, MV |
| int8_t mode_deltas[MAX_MODE_LF_DELTAS]; |
| |
| FRAME_CONTEXT frame_context; |
| } 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. |
| // TODO(wtc): Remove this. See |
| // https://chromium-review.googlesource.com/c/webm/libvpx/+/560630. |
| #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; |
| uint8_t num_frame_bufs; |
| |
| // Frame buffers allocated internally by the codec. |
| InternalFrameBufferList int_frame_buffers; |
| } BufferPool; |
| |
| /*!\endcond */ |
| |
| /*!\brief Parameters related to CDEF */ |
| typedef struct { |
| //! CDEF column line buffer |
| uint16_t *colbuf[MAX_MB_PLANE]; |
| //! CDEF top & bottom line buffer |
| uint16_t *linebuf[MAX_MB_PLANE]; |
| //! CDEF intermediate buffer |
| uint16_t *srcbuf; |
| //! CDEF column line buffer sizes |
| size_t allocated_colbuf_size[MAX_MB_PLANE]; |
| //! CDEF top and bottom line buffer sizes |
| size_t allocated_linebuf_size[MAX_MB_PLANE]; |
| //! CDEF intermediate buffer size |
| size_t allocated_srcbuf_size; |
| //! CDEF damping factor |
| int cdef_damping; |
| //! Number of CDEF strength values |
| int nb_cdef_strengths; |
| //! CDEF strength values for luma |
| int cdef_strengths[CDEF_MAX_STRENGTHS]; |
| //! CDEF strength values for chroma |
| int cdef_uv_strengths[CDEF_MAX_STRENGTHS]; |
| //! Number of CDEF strength values in bits |
| int cdef_bits; |
| //! Number of rows in the frame in 4 pixel |
| int allocated_mi_rows; |
| //! Number of CDEF workers |
| int allocated_num_workers; |
| } CdefInfo; |
| |
| /*!\cond */ |
| |
| typedef struct { |
| int delta_q_present_flag; |
| // Resolution of delta quant |
| int delta_q_res; |
| int delta_lf_present_flag; |
| // Resolution of delta lf level |
| int delta_lf_res; |
| // This is a flag for number of deltas of loop filter level |
| // 0: use 1 delta, for y_vertical, y_horizontal, u, and v |
| // 1: use separate deltas for each filter level |
| int delta_lf_multi; |
| } DeltaQInfo; |
| |
| typedef struct { |
| int enable_order_hint; // 0 - disable order hint, and related tools |
| int order_hint_bits_minus_1; // dist_wtd_comp, ref_frame_mvs, |
| // frame_sign_bias |
| // if 0, enable_dist_wtd_comp and |
| // enable_ref_frame_mvs must be set as 0. |
| int enable_dist_wtd_comp; // 0 - disable dist-wtd compound modes |
| // 1 - enable it |
| int enable_ref_frame_mvs; // 0 - disable ref frame mvs |
| // 1 - enable it |
| } OrderHintInfo; |
| |
| // Sequence header structure. |
| // Note: All syntax elements of sequence_header_obu that need to be |
| // bit-identical across multiple sequence headers must be part of this struct, |
| // so that consistency is checked by are_seq_headers_consistent() function. |
| // One exception is the last member 'op_params' that is ignored by |
| // are_seq_headers_consistent() function. |
| typedef struct SequenceHeader { |
| int num_bits_width; |
| int num_bits_height; |
| int max_frame_width; |
| int max_frame_height; |
| // Whether current and reference frame IDs are signaled in the bitstream. |
| // Frame id numbers are additional information that do not affect the |
| // decoding process, but provide decoders with a way of detecting missing |
| // reference frames so that appropriate action can be taken. |
| uint8_t frame_id_numbers_present_flag; |
| int frame_id_length; |
| int delta_frame_id_length; |
| 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. |
| |
| OrderHintInfo order_hint_info; |
| |
| uint8_t force_screen_content_tools; // 0 - force off |
| // 1 - force on |
| // 2 - adaptive |
| uint8_t still_picture; // Video is a single frame still picture |
| uint8_t reduced_still_picture_hdr; // Use reduced header for still picture |
| uint8_t force_integer_mv; // 0 - Don't force. MV can use subpel |
| // 1 - force to integer |
| // 2 - adaptive |
| uint8_t enable_filter_intra; // enables/disables filterintra |
| uint8_t enable_intra_edge_filter; // enables/disables edge upsampling |
| uint8_t enable_interintra_compound; // enables/disables interintra_compound |
| uint8_t enable_masked_compound; // enables/disables masked compound |
| uint8_t enable_dual_filter; // 0 - disable dual interpolation filter |
| // 1 - enable vert/horz filter selection |
| uint8_t enable_warped_motion; // 0 - disable warp for the sequence |
| // 1 - enable warp for the sequence |
| uint8_t enable_superres; // 0 - Disable superres for the sequence |
| // and no frame level superres flag |
| // 1 - Enable superres for the sequence |
| // enable per-frame superres flag |
| uint8_t enable_cdef; // To turn on/off CDEF |
| uint8_t enable_restoration; // To turn on/off loop restoration |
| BITSTREAM_PROFILE profile; |
| |
| // Color config. |
| aom_bit_depth_t bit_depth; // AOM_BITS_8 in profile 0 or 1, |
| // AOM_BITS_10 or AOM_BITS_12 in profile 2 or 3. |
| uint8_t use_highbitdepth; // If true, we need to use 16bit frame buffers. |
| uint8_t monochrome; // Monochrome video |
| aom_color_primaries_t color_primaries; |
| aom_transfer_characteristics_t transfer_characteristics; |
| aom_matrix_coefficients_t matrix_coefficients; |
| int color_range; |
| int subsampling_x; // Chroma subsampling for x |
| int subsampling_y; // Chroma subsampling for y |
| aom_chroma_sample_position_t chroma_sample_position; |
| uint8_t separate_uv_delta_q; |
| uint8_t film_grain_params_present; |
| |
| // Operating point info. |
| int operating_points_cnt_minus_1; |
| int operating_point_idc[MAX_NUM_OPERATING_POINTS]; |
| // True if operating_point_idc[op] is not equal to 0 for any value of op from |
| // 0 to operating_points_cnt_minus_1. |
| bool has_nonzero_operating_point_idc; |
| int timing_info_present; |
| aom_timing_info_t timing_info; |
| uint8_t decoder_model_info_present_flag; |
| aom_dec_model_info_t decoder_model_info; |
| uint8_t display_model_info_present_flag; |
| AV1_LEVEL seq_level_idx[MAX_NUM_OPERATING_POINTS]; |
| uint8_t tier[MAX_NUM_OPERATING_POINTS]; // seq_tier in spec. One bit: 0 or 1. |
| |
| // IMPORTANT: the op_params member must be at the end of the struct so that |
| // are_seq_headers_consistent() can be implemented with a memcmp() call. |
| // TODO(urvang): We probably don't need the +1 here. |
| aom_dec_model_op_parameters_t op_params[MAX_NUM_OPERATING_POINTS + 1]; |
| } SequenceHeader; |
| |
| typedef struct { |
| int skip_mode_allowed; |
| int skip_mode_flag; |
| int ref_frame_idx_0; |
| int ref_frame_idx_1; |
| } SkipModeInfo; |
| |
| typedef struct { |
| FRAME_TYPE frame_type; |
| REFERENCE_MODE reference_mode; |
| |
| unsigned int order_hint; |
| unsigned int display_order_hint; |
| // Frame's level within the hierarchical structure. |
| unsigned int pyramid_level; |
| unsigned int frame_number; |
| SkipModeInfo skip_mode_info; |
| int refresh_frame_flags; // Which ref frames are overwritten by this frame |
| int frame_refs_short_signaling; |
| } CurrentFrame; |
| |
| /*!\endcond */ |
| |
| /*! |
| * \brief Frame level features. |
| */ |
| typedef struct { |
| /*! |
| * If true, CDF update in the symbol encoding/decoding process is disabled. |
| */ |
| bool disable_cdf_update; |
| /*! |
| * If true, motion vectors are specified to eighth pel precision; and |
| * if false, motion vectors are specified to quarter pel precision. |
| */ |
| bool allow_high_precision_mv; |
| /*! |
| * If true, force integer motion vectors; if false, use the default. |
| */ |
| bool cur_frame_force_integer_mv; |
| /*! |
| * If true, palette tool and/or intra block copy tools may be used. |
| */ |
| bool allow_screen_content_tools; |
| bool allow_intrabc; /*!< If true, intra block copy tool may be used. */ |
| bool allow_warped_motion; /*!< If true, frame may use warped motion mode. */ |
| /*! |
| * If true, using previous frames' motion vectors for prediction is allowed. |
| */ |
| bool allow_ref_frame_mvs; |
| /*! |
| * If true, frame is fully lossless at coded resolution. |
| * */ |
| bool coded_lossless; |
| /*! |
| * If true, frame is fully lossless at upscaled resolution. |
| */ |
| bool all_lossless; |
| /*! |
| * If true, the frame is restricted to a reduced subset of the full set of |
| * transform types. |
| */ |
| bool reduced_tx_set_used; |
| /*! |
| * If true, error resilient mode is enabled. |
| * Note: Error resilient mode allows the syntax of a frame to be parsed |
| * independently of previously decoded frames. |
| */ |
| bool error_resilient_mode; |
| /*! |
| * If false, only MOTION_MODE that may be used is SIMPLE_TRANSLATION; |
| * if true, all MOTION_MODES may be used. |
| */ |
| bool switchable_motion_mode; |
| TX_MODE tx_mode; /*!< Transform mode at frame level. */ |
| InterpFilter interp_filter; /*!< Interpolation filter at frame level. */ |
| /*! |
| * The reference frame that contains the CDF values and other state that |
| * should be loaded at the start of the frame. |
| */ |
| int primary_ref_frame; |
| /*! |
| * Byte alignment of the planes in the reference buffers. |
| */ |
| int byte_alignment; |
| /*! |
| * Flag signaling how frame contexts should be updated at the end of |
| * a frame decode. |
| */ |
| REFRESH_FRAME_CONTEXT_MODE refresh_frame_context; |
| } FeatureFlags; |
| |
| /*! |
| * \brief Params related to tiles. |
| */ |
| typedef struct CommonTileParams { |
| int cols; /*!< number of tile columns that frame is divided into */ |
| int rows; /*!< number of tile rows that frame is divided into */ |
| int max_width_sb; /*!< maximum tile width in superblock units. */ |
| int max_height_sb; /*!< maximum tile height in superblock units. */ |
| |
| /*! |
| * Min width of non-rightmost tile in MI units. Only valid if cols > 1. |
| */ |
| int min_inner_width; |
| |
| /*! |
| * If true, tiles are uniformly spaced with power-of-two number of rows and |
| * columns. |
| * If false, tiles have explicitly configured widths and heights. |
| */ |
| int uniform_spacing; |
| |
| /** |
| * \name Members only valid when uniform_spacing == 1 |
| */ |
| /**@{*/ |
| int log2_cols; /*!< log2 of 'cols'. */ |
| int log2_rows; /*!< log2 of 'rows'. */ |
| int width; /*!< tile width in MI units */ |
| int height; /*!< tile height in MI units */ |
| /**@}*/ |
| |
| /*! |
| * Min num of tile columns possible based on 'max_width_sb' and frame width. |
| */ |
| int min_log2_cols; |
| /*! |
| * Min num of tile rows possible based on 'max_height_sb' and frame height. |
| */ |
| int min_log2_rows; |
| /*! |
| * Max num of tile columns possible based on frame width. |
| */ |
| int max_log2_cols; |
| /*! |
| * Max num of tile rows possible based on frame height. |
| */ |
| int max_log2_rows; |
| /*! |
| * log2 of min number of tiles (same as min_log2_cols + min_log2_rows). |
| */ |
| int min_log2; |
| /*! |
| * col_start_sb[i] is the start position of tile column i in superblock units. |
| * valid for 0 <= i <= cols |
| */ |
| int col_start_sb[MAX_TILE_COLS + 1]; |
| /*! |
| * row_start_sb[i] is the start position of tile row i in superblock units. |
| * valid for 0 <= i <= rows |
| */ |
| int row_start_sb[MAX_TILE_ROWS + 1]; |
| /*! |
| * If true, we are using large scale tile mode. |
| */ |
| unsigned int large_scale; |
| /*! |
| * Only relevant when large_scale == 1. |
| * If true, the independent decoding of a single tile or a section of a frame |
| * is allowed. |
| */ |
| unsigned int single_tile_decoding; |
| } CommonTileParams; |
| |
| typedef struct CommonModeInfoParams CommonModeInfoParams; |
| /*! |
| * \brief Params related to MB_MODE_INFO arrays and related info. |
| */ |
| struct CommonModeInfoParams { |
| /*! |
| * Number of rows in the frame in 16 pixel units. |
| * This is computed from frame height aligned to a multiple of 8. |
| */ |
| int mb_rows; |
| /*! |
| * Number of cols in the frame in 16 pixel units. |
| * This is computed from frame width aligned to a multiple of 8. |
| */ |
| int mb_cols; |
| |
| /*! |
| * Total MBs = mb_rows * mb_cols. |
| */ |
| int MBs; |
| |
| /*! |
| * Number of rows in the frame in 4 pixel (MB_MODE_INFO) units. |
| * This is computed from frame height aligned to a multiple of 8. |
| */ |
| int mi_rows; |
| /*! |
| * Number of cols in the frame in 4 pixel (MB_MODE_INFO) units. |
| * This is computed from frame width aligned to a multiple of 8. |
| */ |
| int mi_cols; |
| |
| /*! |
| * An array of MB_MODE_INFO structs for every 'mi_alloc_bsize' sized block |
| * in the frame. |
| * Note: This array should be treated like a scratch memory, and should NOT be |
| * accessed directly, in most cases. Please use 'mi_grid_base' array instead. |
| */ |
| MB_MODE_INFO *mi_alloc; |
| /*! |
| * Number of allocated elements in 'mi_alloc'. |
| */ |
| int mi_alloc_size; |
| /*! |
| * Stride for 'mi_alloc' array. |
| */ |
| int mi_alloc_stride; |
| /*! |
| * The minimum block size that each element in 'mi_alloc' can correspond to. |
| * For decoder, this is always BLOCK_4X4. |
| * For encoder, this is BLOCK_8X8 for resolution >= 4k case or REALTIME mode |
| * case. Otherwise, this is BLOCK_4X4. |
| */ |
| BLOCK_SIZE mi_alloc_bsize; |
| |
| /*! |
| * Grid of pointers to 4x4 MB_MODE_INFO structs allocated in 'mi_alloc'. |
| * It's possible that: |
| * - Multiple pointers in the grid point to the same element in 'mi_alloc' |
| * (for example, for all 4x4 blocks that belong to the same partition block). |
| * - Some pointers can be NULL (for example, for blocks outside visible area). |
| */ |
| MB_MODE_INFO **mi_grid_base; |
| /*! |
| * Number of allocated elements in 'mi_grid_base' (and 'tx_type_map' also). |
| */ |
| int mi_grid_size; |
| /*! |
| * Stride for 'mi_grid_base' (and 'tx_type_map' also). |
| */ |
| int mi_stride; |
| |
| /*! |
| * An array of tx types for each 4x4 block in the frame. |
| * Number of allocated elements is same as 'mi_grid_size', and stride is |
| * same as 'mi_grid_size'. So, indexing into 'tx_type_map' is same as that of |
| * 'mi_grid_base'. |
| */ |
| TX_TYPE *tx_type_map; |
| |
| /** |
| * \name Function pointers to allow separate logic for encoder and decoder. |
| */ |
| /**@{*/ |
| /*! |
| * Free the memory allocated to arrays in 'mi_params'. |
| * \param[in,out] mi_params object containing common mode info parameters |
| */ |
| void (*free_mi)(struct CommonModeInfoParams *mi_params); |
| /*! |
| * Initialize / reset appropriate arrays in 'mi_params'. |
| * \param[in,out] mi_params object containing common mode info parameters |
| */ |
| void (*setup_mi)(struct CommonModeInfoParams *mi_params); |
| /*! |
| * Allocate required memory for arrays in 'mi_params'. |
| * \param[in,out] mi_params object containing common mode info |
| * parameters |
| * \param width frame width |
| * \param height frame height |
| * \param min_partition_size minimum partition size allowed while |
| * encoding |
| */ |
| void (*set_mb_mi)(struct CommonModeInfoParams *mi_params, int width, |
| int height, BLOCK_SIZE min_partition_size); |
| /**@}*/ |
| }; |
| |
| typedef struct CommonQuantParams CommonQuantParams; |
| /*! |
| * \brief Parameters related to quantization at the frame level. |
| */ |
| struct CommonQuantParams { |
| /*! |
| * Base qindex of the frame in the range 0 to 255. |
| */ |
| int base_qindex; |
| |
| /*! |
| * Delta of qindex (from base_qindex) for Y plane DC coefficient. |
| * Note: y_ac_delta_q is implicitly 0. |
| */ |
| int y_dc_delta_q; |
| |
| /*! |
| * Delta of qindex (from base_qindex) for U plane DC coefficients. |
| */ |
| int u_dc_delta_q; |
| /*! |
| * Delta of qindex (from base_qindex) for U plane AC coefficients. |
| */ |
| int v_dc_delta_q; |
| |
| /*! |
| * Delta of qindex (from base_qindex) for V plane DC coefficients. |
| * Same as those for U plane if cm->seq_params->separate_uv_delta_q == 0. |
| */ |
| int u_ac_delta_q; |
| /*! |
| * Delta of qindex (from base_qindex) for V plane AC coefficients. |
| * Same as those for U plane if cm->seq_params->separate_uv_delta_q == 0. |
| */ |
| int v_ac_delta_q; |
| |
| /* |
| * Note: The qindex per superblock may have a delta from the qindex obtained |
| * at frame level from parameters above, based on 'cm->delta_q_info'. |
| */ |
| |
| /** |
| * \name True dequantizers. |
| * The dequantizers below are true dequantizers used only in the |
| * dequantization process. They have the same coefficient |
| * shift/scale as TX. |
| */ |
| /**@{*/ |
| int16_t y_dequant_QTX[MAX_SEGMENTS][2]; /*!< Dequant for Y plane */ |
| int16_t u_dequant_QTX[MAX_SEGMENTS][2]; /*!< Dequant for U plane */ |
| int16_t v_dequant_QTX[MAX_SEGMENTS][2]; /*!< Dequant for V plane */ |
| /**@}*/ |
| |
| /** |
| * \name Global quantization matrix tables. |
| */ |
| /**@{*/ |
| /*! |
| * Global dequantization matrix table. |
| */ |
| const qm_val_t *giqmatrix[NUM_QM_LEVELS][3][TX_SIZES_ALL]; |
| /*! |
| * Global quantization matrix table. |
| */ |
| const qm_val_t *gqmatrix[NUM_QM_LEVELS][3][TX_SIZES_ALL]; |
| /**@}*/ |
| |
| /** |
| * \name Local dequantization matrix tables for each frame. |
| */ |
| /**@{*/ |
| /*! |
| * Local dequant matrix for Y plane. |
| */ |
| const qm_val_t *y_iqmatrix[MAX_SEGMENTS][TX_SIZES_ALL]; |
| /*! |
| * Local dequant matrix for U plane. |
| */ |
| const qm_val_t *u_iqmatrix[MAX_SEGMENTS][TX_SIZES_ALL]; |
| /*! |
| * Local dequant matrix for V plane. |
| */ |
| const qm_val_t *v_iqmatrix[MAX_SEGMENTS][TX_SIZES_ALL]; |
| /**@}*/ |
| |
| /*! |
| * Flag indicating whether quantization matrices are being used: |
| * - If true, qm_level_y, qm_level_u and qm_level_v indicate the level |
| * indices to be used to access appropriate global quant matrix tables. |
| * - If false, we implicitly use level index 'NUM_QM_LEVELS - 1'. |
| */ |
| bool using_qmatrix; |
| /** |
| * \name Valid only when using_qmatrix == true |
| * Indicate the level indices to be used to access appropriate global quant |
| * matrix tables. |
| */ |
| /**@{*/ |
| int qmatrix_level_y; /*!< Level index for Y plane */ |
| int qmatrix_level_u; /*!< Level index for U plane */ |
| int qmatrix_level_v; /*!< Level index for V plane */ |
| /**@}*/ |
| }; |
| |
| typedef struct CommonContexts CommonContexts; |
| /*! |
| * \brief Contexts used for transmitting various symbols in the bitstream. |
| */ |
| struct CommonContexts { |
| /*! |
| * Context used by 'FRAME_CONTEXT.partition_cdf' to transmit partition type. |
| * partition[i][j] is the context for ith tile row, jth mi_col. |
| */ |
| PARTITION_CONTEXT **partition; |
| |
| /*! |
| * Context used to derive context for multiple symbols: |
| * - 'TXB_CTX.txb_skip_ctx' used by 'FRAME_CONTEXT.txb_skip_cdf' to transmit |
| * to transmit skip_txfm flag. |
| * - 'TXB_CTX.dc_sign_ctx' used by 'FRAME_CONTEXT.dc_sign_cdf' to transmit |
| * sign. |
| * entropy[i][j][k] is the context for ith plane, jth tile row, kth mi_col. |
| */ |
| ENTROPY_CONTEXT **entropy[MAX_MB_PLANE]; |
| |
| /*! |
| * Context used to derive context for 'FRAME_CONTEXT.txfm_partition_cdf' to |
| * transmit 'is_split' flag to indicate if this transform block should be |
| * split into smaller sub-blocks. |
| * txfm[i][j] is the context for ith tile row, jth mi_col. |
| */ |
| TXFM_CONTEXT **txfm; |
| |
| /*! |
| * Dimensions that were used to allocate the arrays above. |
| * If these dimensions change, the arrays may have to be re-allocated. |
| */ |
| int num_planes; /*!< Corresponds to av1_num_planes(cm) */ |
| int num_tile_rows; /*!< Corresponds to cm->tiles.row */ |
| int num_mi_cols; /*!< Corresponds to cm->mi_params.mi_cols */ |
| }; |
| |
| /*! |
| * \brief Top level common structure used by both encoder and decoder. |
| */ |
| typedef struct AV1Common { |
| /*! |
| * Information about the current frame that is being coded. |
| */ |
| CurrentFrame current_frame; |
| /*! |
| * Code and details about current error status. |
| */ |
| struct aom_internal_error_info *error; |
| |
| /*! |
| * AV1 allows two types of frame scaling operations: |
| * 1. Frame super-resolution: that allows coding a frame at lower resolution |
| * and after decoding the frame, normatively scales and restores the frame -- |
| * inside the coding loop. |
| * 2. Frame resize: that allows coding frame at lower/higher resolution, and |
| * then non-normatively upscale the frame at the time of rendering -- outside |
| * the coding loop. |
| * Hence, the need for 3 types of dimensions. |
| */ |
| |
| /** |
| * \name Coded frame dimensions. |
| */ |
| /**@{*/ |
| int width; /*!< Coded frame width */ |
| int height; /*!< Coded frame height */ |
| /**@}*/ |
| |
| /** |
| * \name Rendered frame dimensions. |
| * Dimensions after applying both super-resolution and resize to the coded |
| * frame. Different from coded dimensions if super-resolution and/or resize |
| * are being used for this frame. |
| */ |
| /**@{*/ |
| int render_width; /*!< Rendered frame width */ |
| int render_height; /*!< Rendered frame height */ |
| /**@}*/ |
| |
| /** |
| * \name Super-resolved frame dimensions. |
| * Frame dimensions after applying super-resolution to the coded frame (if |
| * present), but before applying resize. |
| * Larger than the coded dimensions if super-resolution is being used for |
| * this frame. |
| * Different from rendered dimensions if resize is being used for this frame. |
| */ |
| /**@{*/ |
| int superres_upscaled_width; /*!< Super-resolved frame width */ |
| int superres_upscaled_height; /*!< Super-resolved frame height */ |
| /**@}*/ |
| |
| /*! |
| * The denominator of the superres scale used by this frame. |
| * Note: The numerator is fixed to be SCALE_NUMERATOR. |
| */ |
| uint8_t superres_scale_denominator; |
| |
| /*! |
| * buffer_removal_times[op_num] specifies the frame removal time in units of |
| * DecCT clock ticks counted from the removal time of the last random access |
| * point for operating point op_num. |
| * TODO(urvang): We probably don't need the +1 here. |
| */ |
| uint32_t buffer_removal_times[MAX_NUM_OPERATING_POINTS + 1]; |
| /*! |
| * Presentation time of the frame in clock ticks DispCT counted from the |
| * removal time of the last random access point for the operating point that |
| * is being decoded. |
| */ |
| uint32_t frame_presentation_time; |
| |
| /*! |
| * Buffer where previous frame is stored. |
| */ |
| RefCntBuffer *prev_frame; |
| |
| /*! |
| * Buffer into which the current frame will be stored and other related info. |
| * TODO(hkuang): Combine this with cur_buf in macroblockd. |
| */ |
| RefCntBuffer *cur_frame; |
| |
| /*! |
| * For encoder, we have a two-level mapping from reference frame type to the |
| * corresponding buffer in the buffer pool: |
| * * 'remapped_ref_idx[i - 1]' maps reference type 'i' (range: LAST_FRAME ... |
| * EXTREF_FRAME) to a remapped index 'j' (in range: 0 ... REF_FRAMES - 1) |
| * * Later, 'cm->ref_frame_map[j]' maps the remapped index 'j' to a pointer to |
| * the reference counted buffer structure RefCntBuffer, taken from the buffer |
| * pool cm->buffer_pool->frame_bufs. |
| * |
| * LAST_FRAME, ..., EXTREF_FRAME |
| * | | |
| * v v |
| * remapped_ref_idx[LAST_FRAME - 1], ..., remapped_ref_idx[EXTREF_FRAME - 1] |
| * | | |
| * v v |
| * ref_frame_map[], ..., ref_frame_map[] |
| * |
| * Note: INTRA_FRAME always refers to the current frame, so there's no need to |
| * have a remapped index for the same. |
| */ |
| int remapped_ref_idx[REF_FRAMES]; |
| |
| /*! |
| * Scale of the current frame with respect to itself. |
| * This is currently used for intra block copy, which behaves like an inter |
| * prediction mode, where the reference frame is the current frame itself. |
| */ |
| struct scale_factors sf_identity; |
| |
| /*! |
| * Scale factors of the reference frame with respect to the current frame. |
| * This is required for generating inter prediction and will be non-identity |
| * for a reference frame, if it has different dimensions than the coded |
| * dimensions of the current frame. |
| */ |
| struct scale_factors ref_scale_factors[REF_FRAMES]; |
| |
| /*! |
| * For decoder, ref_frame_map[i] maps reference type 'i' to a pointer to |
| * the buffer in the buffer pool 'cm->buffer_pool.frame_bufs'. |
| * For encoder, ref_frame_map[j] (where j = remapped_ref_idx[i]) maps |
| * remapped reference index 'j' (that is, original reference type 'i') to |
| * a pointer to the buffer in the buffer pool 'cm->buffer_pool.frame_bufs'. |
| */ |
| RefCntBuffer *ref_frame_map[REF_FRAMES]; |
| |
| /*! |
| * If true, this frame is actually shown after decoding. |
| * If false, this frame is coded in the bitstream, but not shown. It is only |
| * used as a reference for other frames coded later. |
| */ |
| int show_frame; |
| |
| /*! |
| * If true, this frame can be used as a show-existing frame for other frames |
| * coded later. |
| * When 'show_frame' is true, this is always true for all non-keyframes. |
| * When 'show_frame' is false, this value is transmitted in the bitstream. |
| */ |
| int showable_frame; |
| |
| /*! |
| * If true, show an existing frame coded before, instead of actually coding a |
| * frame. The existing frame comes from one of the existing reference buffers, |
| * as signaled in the bitstream. |
| */ |
| int show_existing_frame; |
| |
| /*! |
| * Whether some features are allowed or not. |
| */ |
| FeatureFlags features; |
| |
| /*! |
| * Params related to MB_MODE_INFO arrays and related info. |
| */ |
| CommonModeInfoParams mi_params; |
| |
| #if CONFIG_ENTROPY_STATS |
| /*! |
| * Context type used by token CDFs, in the range 0 .. (TOKEN_CDF_Q_CTXS - 1). |
| */ |
| int coef_cdf_category; |
| #endif // CONFIG_ENTROPY_STATS |
| |
| /*! |
| * Quantization params. |
| */ |
| CommonQuantParams quant_params; |
| |
| /*! |
| * Segmentation info for current frame. |
| */ |
| struct segmentation seg; |
| |
| /*! |
| * Segmentation map for previous frame. |
| */ |
| uint8_t *last_frame_seg_map; |
| |
| /** |
| * \name Deblocking filter parameters. |
| */ |
| /**@{*/ |
| loop_filter_info_n lf_info; /*!< Loop filter info */ |
| struct loopfilter lf; /*!< Loop filter parameters */ |
| /**@}*/ |
| |
| /** |
| * \name Loop Restoration filter parameters. |
| */ |
| /**@{*/ |
| RestorationInfo rst_info[MAX_MB_PLANE]; /*!< Loop Restoration filter info */ |
| int32_t *rst_tmpbuf; /*!< Scratch buffer for self-guided restoration */ |
| RestorationLineBuffers *rlbs; /*!< Line buffers needed by loop restoration */ |
| YV12_BUFFER_CONFIG rst_frame; /*!< Stores the output of loop restoration */ |
| /**@}*/ |
| |
| /*! |
| * CDEF (Constrained Directional Enhancement Filter) parameters. |
| */ |
| CdefInfo cdef_info; |
| |
| /*! |
| * Parameters for film grain synthesis. |
| */ |
| aom_film_grain_t film_grain_params; |
| |
| /*! |
| * Parameters for delta quantization and delta loop filter level. |
| */ |
| DeltaQInfo delta_q_info; |
| |
| /*! |
| * Global motion parameters for each reference frame. |
| */ |
| WarpedMotionParams global_motion[REF_FRAMES]; |
| |
| /*! |
| * Elements part of the sequence header, that are applicable for all the |
| * frames in the video. |
| */ |
| SequenceHeader *seq_params; |
| |
| /*! |
| * Current CDFs of all the symbols for the current frame. |
| */ |
| FRAME_CONTEXT *fc; |
| /*! |
| * Default CDFs used when features.primary_ref_frame = PRIMARY_REF_NONE |
| * (e.g. for a keyframe). These default CDFs are defined by the bitstream and |
| * copied from default CDF tables for each symbol. |
| */ |
| FRAME_CONTEXT *default_frame_context; |
| |
| /*! |
| * Parameters related to tiling. |
| */ |
| CommonTileParams tiles; |
| |
| /*! |
| * External BufferPool passed from outside. |
| */ |
| BufferPool *buffer_pool; |
| |
| /*! |
| * Above context buffers and their sizes. |
| * Note: above contexts are allocated in this struct, as their size is |
| * dependent on frame width, while left contexts are declared and allocated in |
| * MACROBLOCKD struct, as they have a fixed size. |
| */ |
| CommonContexts above_contexts; |
| |
| /** |
| * \name Signaled when cm->seq_params->frame_id_numbers_present_flag == 1 |
| */ |
| /**@{*/ |
| int current_frame_id; /*!< frame ID for the current frame. */ |
| int ref_frame_id[REF_FRAMES]; /*!< frame IDs for the reference frames. */ |
| /**@}*/ |
| |
| /*! |
| * Motion vectors provided by motion field estimation. |
| * tpl_mvs[row * stride + col] stores MV for block at [mi_row, mi_col] where: |
| * mi_row = 2 * row, |
| * mi_col = 2 * col, and |
| * stride = cm->mi_params.mi_stride / 2 |
| */ |
| TPL_MV_REF *tpl_mvs; |
| /*! |
| * Allocated size of 'tpl_mvs' array. Refer to 'ensure_mv_buffer()' function. |
| */ |
| int tpl_mvs_mem_size; |
| /*! |
| * ref_frame_sign_bias[k] is 1 if relative distance between reference 'k' and |
| * current frame is positive; and 0 otherwise. |
| */ |
| int ref_frame_sign_bias[REF_FRAMES]; |
| /*! |
| * ref_frame_side[k] is 1 if relative distance between reference 'k' and |
| * current frame is positive, -1 if relative distance is 0; and 0 otherwise. |
| * TODO(jingning): This can be combined with sign_bias later. |
| */ |
| int8_t ref_frame_side[REF_FRAMES]; |
| |
| /*! |
| * Temporal layer ID of this frame |
| * (in the range 0 ... (number_temporal_layers - 1)). |
| */ |
| int temporal_layer_id; |
| |
| /*! |
| * Spatial layer ID of this frame |
| * (in the range 0 ... (number_spatial_layers - 1)). |
| */ |
| int spatial_layer_id; |
| |
| #if TXCOEFF_TIMER |
| int64_t cum_txcoeff_timer; |
| int64_t txcoeff_timer; |
| int txb_count; |
| #endif // TXCOEFF_TIMER |
| |
| #if TXCOEFF_COST_TIMER |
| int64_t cum_txcoeff_cost_timer; |
| int64_t txcoeff_cost_timer; |
| int64_t txcoeff_cost_count; |
| #endif // TXCOEFF_COST_TIMER |
| } AV1_COMMON; |
| |
| /*!\cond */ |
| |
| // 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] == NULL) return NULL; |
| return &cm->ref_frame_map[index]->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); |
| const int num_frame_bufs = cm->buffer_pool->num_frame_bufs; |
| for (i = 0; i < num_frame_bufs; ++i) |
| if (frame_bufs[i].ref_count == 0) break; |
| |
| if (i != num_frame_bufs) { |
| if (frame_bufs[i].buf.use_external_reference_buffers) { |
| // If this frame buffer's y_buffer, u_buffer, and v_buffer point to the |
| // external reference buffers. Restore the buffer pointers to point to the |
| // internally allocated memory. |
| YV12_BUFFER_CONFIG *ybf = &frame_bufs[i].buf; |
| ybf->y_buffer = ybf->store_buf_adr[0]; |
| ybf->u_buffer = ybf->store_buf_adr[1]; |
| ybf->v_buffer = ybf->store_buf_adr[2]; |
| ybf->use_external_reference_buffers = 0; |
| } |
| |
| frame_bufs[i].ref_count = 1; |
| } else { |
| // We should never run out of free buffers. If this assertion fails, there |
| // is a reference leak. |
| assert(0 && "Ran out of free frame buffers. Likely a reference leak."); |
| // 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 RefCntBuffer *assign_cur_frame_new_fb(AV1_COMMON *const cm) { |
| // Release the previously-used frame-buffer |
| if (cm->cur_frame != NULL) { |
| --cm->cur_frame->ref_count; |
| cm->cur_frame = NULL; |
| } |
| |
| // Assign a new framebuffer |
| const int new_fb_idx = get_free_fb(cm); |
| if (new_fb_idx == INVALID_IDX) return NULL; |
| |
| cm->cur_frame = &cm->buffer_pool->frame_bufs[new_fb_idx]; |
| #if CONFIG_AV1_ENCODER && !CONFIG_REALTIME_ONLY |
| aom_invalidate_pyramid(cm->cur_frame->buf.y_pyramid); |
| av1_invalidate_corner_list(cm->cur_frame->buf.corners); |
| #endif // CONFIG_AV1_ENCODER && !CONFIG_REALTIME_ONLY |
| av1_zero(cm->cur_frame->interp_filter_selected); |
| return cm->cur_frame; |
| } |
| |
| // Modify 'lhs_ptr' to reference the buffer at 'rhs_ptr', and update the ref |
| // counts accordingly. |
| static INLINE void assign_frame_buffer_p(RefCntBuffer **lhs_ptr, |
| RefCntBuffer *rhs_ptr) { |
| RefCntBuffer *const old_ptr = *lhs_ptr; |
| if (old_ptr != NULL) { |
| assert(old_ptr->ref_count > 0); |
| // One less reference to the buffer at 'old_ptr', so decrease ref count. |
| --old_ptr->ref_count; |
| } |
| |
| *lhs_ptr = rhs_ptr; |
| // One more reference to the buffer at 'rhs_ptr', so increase ref count. |
| ++rhs_ptr->ref_count; |
| } |
| |
| static INLINE int frame_is_intra_only(const AV1_COMMON *const cm) { |
| return cm->current_frame.frame_type == KEY_FRAME || |
| cm->current_frame.frame_type == INTRA_ONLY_FRAME; |
| } |
| |
| static INLINE int frame_is_sframe(const AV1_COMMON *cm) { |
| return cm->current_frame.frame_type == S_FRAME; |
| } |
| |
| // These functions take a reference frame label between LAST_FRAME and |
| // EXTREF_FRAME inclusive. Note that this is different to the indexing |
| // previously used by the frame_refs[] array. |
| static INLINE int get_ref_frame_map_idx(const AV1_COMMON *const cm, |
| const MV_REFERENCE_FRAME ref_frame) { |
| return (ref_frame >= LAST_FRAME && ref_frame <= EXTREF_FRAME) |
| ? cm->remapped_ref_idx[ref_frame - LAST_FRAME] |
| : INVALID_IDX; |
| } |
| |
| static INLINE RefCntBuffer *get_ref_frame_buf( |
| const AV1_COMMON *const cm, const MV_REFERENCE_FRAME ref_frame) { |
| const int map_idx = get_ref_frame_map_idx(cm, ref_frame); |
| return (map_idx != INVALID_IDX) ? cm->ref_frame_map[map_idx] : NULL; |
| } |
| |
| // Both const and non-const versions of this function are provided so that it |
| // can be used with a const AV1_COMMON if needed. |
| static INLINE const struct scale_factors *get_ref_scale_factors_const( |
| const AV1_COMMON *const cm, const MV_REFERENCE_FRAME ref_frame) { |
| const int map_idx = get_ref_frame_map_idx(cm, ref_frame); |
| return (map_idx != INVALID_IDX) ? &cm->ref_scale_factors[map_idx] : NULL; |
| } |
| |
| static INLINE struct scale_factors *get_ref_scale_factors( |
| AV1_COMMON *const cm, const MV_REFERENCE_FRAME ref_frame) { |
| const int map_idx = get_ref_frame_map_idx(cm, ref_frame); |
| return (map_idx != INVALID_IDX) ? &cm->ref_scale_factors[map_idx] : NULL; |
| } |
| |
| static INLINE RefCntBuffer *get_primary_ref_frame_buf( |
| const AV1_COMMON *const cm) { |
| const int primary_ref_frame = cm->features.primary_ref_frame; |
| if (primary_ref_frame == PRIMARY_REF_NONE) return NULL; |
| const int map_idx = get_ref_frame_map_idx(cm, primary_ref_frame + 1); |
| return (map_idx != INVALID_IDX) ? cm->ref_frame_map[map_idx] : NULL; |
| } |
| |
| // Returns 1 if this frame might allow mvs from some reference frame. |
| static INLINE int frame_might_allow_ref_frame_mvs(const AV1_COMMON *cm) { |
| return !cm->features.error_resilient_mode && |
| cm->seq_params->order_hint_info.enable_ref_frame_mvs && |
| cm->seq_params->order_hint_info.enable_order_hint && |
| !frame_is_intra_only(cm); |
| } |
| |
| // Returns 1 if this frame might use warped_motion |
| static INLINE int frame_might_allow_warped_motion(const AV1_COMMON *cm) { |
| return !cm->features.error_resilient_mode && !frame_is_intra_only(cm) && |
| cm->seq_params->enable_warped_motion; |
| } |
| |
| static INLINE void ensure_mv_buffer(RefCntBuffer *buf, AV1_COMMON *cm) { |
| const int buf_rows = buf->mi_rows; |
| const int buf_cols = buf->mi_cols; |
| const CommonModeInfoParams *const mi_params = &cm->mi_params; |
| |
| if (buf->mvs == NULL || buf_rows != mi_params->mi_rows || |
| buf_cols != mi_params->mi_cols) { |
| aom_free(buf->mvs); |
| buf->mi_rows = mi_params->mi_rows; |
| buf->mi_cols = mi_params->mi_cols; |
| CHECK_MEM_ERROR(cm, buf->mvs, |
| (MV_REF *)aom_calloc(((mi_params->mi_rows + 1) >> 1) * |
| ((mi_params->mi_cols + 1) >> 1), |
| sizeof(*buf->mvs))); |
| aom_free(buf->seg_map); |
| CHECK_MEM_ERROR( |
| cm, buf->seg_map, |
| (uint8_t *)aom_calloc(mi_params->mi_rows * mi_params->mi_cols, |
| sizeof(*buf->seg_map))); |
| } |
| |
| const int mem_size = |
| ((mi_params->mi_rows + MAX_MIB_SIZE) >> 1) * (mi_params->mi_stride >> 1); |
| |
| if (cm->tpl_mvs == NULL || cm->tpl_mvs_mem_size < mem_size) { |
| aom_free(cm->tpl_mvs); |
| CHECK_MEM_ERROR(cm, cm->tpl_mvs, |
| (TPL_MV_REF *)aom_calloc(mem_size, sizeof(*cm->tpl_mvs))); |
| cm->tpl_mvs_mem_size = mem_size; |
| } |
| } |
| |
| void cfl_init(CFL_CTX *cfl, const SequenceHeader *seq_params); |
| |
| static INLINE int av1_num_planes(const AV1_COMMON *cm) { |
| return cm->seq_params->monochrome ? 1 : MAX_MB_PLANE; |
| } |
| |
| static INLINE void av1_init_above_context(CommonContexts *above_contexts, |
| int num_planes, int tile_row, |
| MACROBLOCKD *xd) { |
| for (int i = 0; i < num_planes; ++i) { |
| xd->above_entropy_context[i] = above_contexts->entropy[i][tile_row]; |
| } |
| xd->above_partition_context = above_contexts->partition[tile_row]; |
| xd->above_txfm_context = above_contexts->txfm[tile_row]; |
| } |
| |
| static INLINE void av1_init_macroblockd(AV1_COMMON *cm, MACROBLOCKD *xd) { |
| const int num_planes = av1_num_planes(cm); |
| const CommonQuantParams *const quant_params = &cm->quant_params; |
| |
| for (int i = 0; i < num_planes; ++i) { |
| if (xd->plane[i].plane_type == PLANE_TYPE_Y) { |
| memcpy(xd->plane[i].seg_dequant_QTX, quant_params->y_dequant_QTX, |
| sizeof(quant_params->y_dequant_QTX)); |
| memcpy(xd->plane[i].seg_iqmatrix, quant_params->y_iqmatrix, |
| sizeof(quant_params->y_iqmatrix)); |
| |
| } else { |
| if (i == AOM_PLANE_U) { |
| memcpy(xd->plane[i].seg_dequant_QTX, quant_params->u_dequant_QTX, |
| sizeof(quant_params->u_dequant_QTX)); |
| memcpy(xd->plane[i].seg_iqmatrix, quant_params->u_iqmatrix, |
| sizeof(quant_params->u_iqmatrix)); |
| } else { |
| memcpy(xd->plane[i].seg_dequant_QTX, quant_params->v_dequant_QTX, |
| sizeof(quant_params->v_dequant_QTX)); |
| memcpy(xd->plane[i].seg_iqmatrix, quant_params->v_iqmatrix, |
| sizeof(quant_params->v_iqmatrix)); |
| } |
| } |
| } |
| xd->mi_stride = cm->mi_params.mi_stride; |
| xd->error_info = cm->error; |
| cfl_init(&xd->cfl, cm->seq_params); |
| } |
| |
| static INLINE void set_entropy_context(MACROBLOCKD *xd, int mi_row, int mi_col, |
| const int num_planes) { |
| int i; |
| int row_offset = mi_row; |
| int col_offset = mi_col; |
| for (i = 0; i < num_planes; ++i) { |
| struct macroblockd_plane *const pd = &xd->plane[i]; |
| // Offset the buffer pointer |
| const BLOCK_SIZE bsize = xd->mi[0]->bsize; |
| if (pd->subsampling_y && (mi_row & 0x01) && (mi_size_high[bsize] == 1)) |
| row_offset = mi_row - 1; |
| if (pd->subsampling_x && (mi_col & 0x01) && (mi_size_wide[bsize] == 1)) |
| col_offset = mi_col - 1; |
| int above_idx = col_offset; |
| int left_idx = row_offset & MAX_MIB_MASK; |
| pd->above_entropy_context = |
| &xd->above_entropy_context[i][above_idx >> pd->subsampling_x]; |
| pd->left_entropy_context = |
| &xd->left_entropy_context[i][left_idx >> pd->subsampling_y]; |
| } |
| } |
| |
| static INLINE int calc_mi_size(int len) { |
| // len is in mi units. Align to a multiple of SBs. |
| return ALIGN_POWER_OF_TWO(len, MAX_MIB_SIZE_LOG2); |
| } |
| |
| static INLINE void set_plane_n4(MACROBLOCKD *const xd, int bw, int bh, |
| const int num_planes) { |
| int i; |
| for (i = 0; i < num_planes; i++) { |
| xd->plane[i].width = (bw * MI_SIZE) >> xd->plane[i].subsampling_x; |
| xd->plane[i].height = (bh * MI_SIZE) >> xd->plane[i].subsampling_y; |
| |
| xd->plane[i].width = AOMMAX(xd->plane[i].width, 4); |
| xd->plane[i].height = AOMMAX(xd->plane[i].height, 4); |
| } |
| } |
| |
| static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile, |
| int mi_row, int bh, int mi_col, int bw, |
| int mi_rows, int mi_cols) { |
| xd->mb_to_top_edge = -GET_MV_SUBPEL(mi_row * MI_SIZE); |
| xd->mb_to_bottom_edge = GET_MV_SUBPEL((mi_rows - bh - mi_row) * MI_SIZE); |
| xd->mb_to_left_edge = -GET_MV_SUBPEL((mi_col * MI_SIZE)); |
| xd->mb_to_right_edge = GET_MV_SUBPEL((mi_cols - bw - mi_col) * MI_SIZE); |
| |
| xd->mi_row = mi_row; |
| xd->mi_col = mi_col; |
| |
| // Are edges available for intra prediction? |
| xd->up_available = (mi_row > tile->mi_row_start); |
| |
| const int ss_x = xd->plane[1].subsampling_x; |
| const int ss_y = xd->plane[1].subsampling_y; |
| |
| xd->left_available = (mi_col > tile->mi_col_start); |
| xd->chroma_up_available = xd->up_available; |
| xd->chroma_left_available = xd->left_available; |
| if (ss_x && bw < mi_size_wide[BLOCK_8X8]) |
| xd->chroma_left_available = (mi_col - 1) > tile->mi_col_start; |
| if (ss_y && bh < mi_size_high[BLOCK_8X8]) |
| xd->chroma_up_available = (mi_row - 1) > tile->mi_row_start; |
| if (xd->up_available) { |
| xd->above_mbmi = xd->mi[-xd->mi_stride]; |
| } else { |
| xd->above_mbmi = NULL; |
| } |
| |
| if (xd->left_available) { |
| xd->left_mbmi = xd->mi[-1]; |
| } else { |
| xd->left_mbmi = NULL; |
| } |
| |
| const int chroma_ref = ((mi_row & 0x01) || !(bh & 0x01) || !ss_y) && |
| ((mi_col & 0x01) || !(bw & 0x01) || !ss_x); |
| xd->is_chroma_ref = chroma_ref; |
| if (chroma_ref) { |
| // To help calculate the "above" and "left" chroma blocks, note that the |
| // current block may cover multiple luma blocks (e.g., if partitioned into |
| // 4x4 luma blocks). |
| // First, find the top-left-most luma block covered by this chroma block |
| MB_MODE_INFO **base_mi = |
| &xd->mi[-(mi_row & ss_y) * xd->mi_stride - (mi_col & ss_x)]; |
| |
| // Then, we consider the luma region covered by the left or above 4x4 chroma |
| // prediction. We want to point to the chroma reference block in that |
| // region, which is the bottom-right-most mi unit. |
| // This leads to the following offsets: |
| MB_MODE_INFO *chroma_above_mi = |
| xd->chroma_up_available ? base_mi[-xd->mi_stride + ss_x] : NULL; |
| xd->chroma_above_mbmi = chroma_above_mi; |
| |
| MB_MODE_INFO *chroma_left_mi = |
| xd->chroma_left_available ? base_mi[ss_y * xd->mi_stride - 1] : NULL; |
| xd->chroma_left_mbmi = chroma_left_mi; |
| } |
| |
| xd->height = bh; |
| xd->width = bw; |
| |
| xd->is_last_vertical_rect = 0; |
| if (xd->width < xd->height) { |
| if (!((mi_col + xd->width) & (xd->height - 1))) { |
| xd->is_last_vertical_rect = 1; |
| } |
| } |
| |
| xd->is_first_horizontal_rect = 0; |
| if (xd->width > xd->height) |
| if (!(mi_row & (xd->width - 1))) xd->is_first_horizontal_rect = 1; |
| } |
| |
| static INLINE aom_cdf_prob *get_y_mode_cdf(FRAME_CONTEXT *tile_ctx, |
| const MB_MODE_INFO *above_mi, |
| const MB_MODE_INFO *left_mi) { |
| const PREDICTION_MODE above = av1_above_block_mode(above_mi); |
| const PREDICTION_MODE left = av1_left_block_mode(left_mi); |
| const int above_ctx = intra_mode_context[above]; |
| const int left_ctx = intra_mode_context[left]; |
| return tile_ctx->kf_y_cdf[above_ctx][left_ctx]; |
| } |
| |
| 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_partition_context + mi_col; |
| PARTITION_CONTEXT *const left_ctx = |
| xd->left_partition_context + (mi_row & MAX_MIB_MASK); |
| |
| 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); |
| } |
| |
| static INLINE int is_chroma_reference(int mi_row, int mi_col, BLOCK_SIZE bsize, |
| int subsampling_x, int subsampling_y) { |
| assert(bsize < BLOCK_SIZES_ALL); |
| 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; |
| } |
| |
| static INLINE aom_cdf_prob cdf_element_prob(const aom_cdf_prob *cdf, |
| size_t element) { |
| assert(cdf != NULL); |
| return (element > 0 ? cdf[element - 1] : CDF_PROB_TOP) - cdf[element]; |
| } |
| |
| static INLINE void partition_gather_horz_alike(aom_cdf_prob *out, |
| const aom_cdf_prob *const in, |
| BLOCK_SIZE bsize) { |
| (void)bsize; |
| out[0] = CDF_PROB_TOP; |
| out[0] -= cdf_element_prob(in, PARTITION_HORZ); |
| out[0] -= cdf_element_prob(in, PARTITION_SPLIT); |
| out[0] -= cdf_element_prob(in, PARTITION_HORZ_A); |
| out[0] -= cdf_element_prob(in, PARTITION_HORZ_B); |
| out[0] -= cdf_element_prob(in, PARTITION_VERT_A); |
| if (bsize != BLOCK_128X128) out[0] -= cdf_element_prob(in, PARTITION_HORZ_4); |
| out[0] = AOM_ICDF(out[0]); |
| out[1] = AOM_ICDF(CDF_PROB_TOP); |
| } |
| |
| static INLINE void partition_gather_vert_alike(aom_cdf_prob *out, |
| const aom_cdf_prob *const in, |
| BLOCK_SIZE bsize) { |
| (void)bsize; |
| out[0] = CDF_PROB_TOP; |
| out[0] -= cdf_element_prob(in, PARTITION_VERT); |
| out[0] -= cdf_element_prob(in, PARTITION_SPLIT); |
| out[0] -= cdf_element_prob(in, PARTITION_HORZ_A); |
| out[0] -= cdf_element_prob(in, PARTITION_VERT_A); |
| out[0] -= cdf_element_prob(in, PARTITION_VERT_B); |
| if (bsize != BLOCK_128X128) out[0] -= cdf_element_prob(in, PARTITION_VERT_4); |
| out[0] = AOM_ICDF(out[0]); |
| out[1] = AOM_ICDF(CDF_PROB_TOP); |
| } |
| |
| 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_partition_subsize(bsize, PARTITION_SPLIT); |
| switch (partition) { |
| case PARTITION_SPLIT: |
| if (bsize != BLOCK_8X8) break; |
| AOM_FALLTHROUGH_INTENDED; |
| case PARTITION_NONE: |
| case PARTITION_HORZ: |
| case PARTITION_VERT: |
| case PARTITION_HORZ_4: |
| case PARTITION_VERT_4: |
| 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"); |
| } |
| } |
| } |
| |
| static INLINE int partition_plane_context(const MACROBLOCKD *xd, int mi_row, |
| int mi_col, BLOCK_SIZE bsize) { |
| const PARTITION_CONTEXT *above_ctx = xd->above_partition_context + mi_col; |
| const PARTITION_CONTEXT *left_ctx = |
| xd->left_partition_context + (mi_row & MAX_MIB_MASK); |
| // Minimum partition point is 8x8. Offset the bsl accordingly. |
| const int bsl = mi_size_wide_log2[bsize] - mi_size_wide_log2[BLOCK_8X8]; |
| int above = (*above_ctx >> bsl) & 1, left = (*left_ctx >> bsl) & 1; |
| |
| assert(mi_size_wide_log2[bsize] == mi_size_high_log2[bsize]); |
| assert(bsl >= 0); |
| |
| return (left * 2 + above) + bsl * PARTITION_PLOFFSET; |
| } |
| |
| // Return the number of elements in the partition CDF when |
| // partitioning the (square) block with luma block size of bsize. |
| static INLINE int partition_cdf_length(BLOCK_SIZE bsize) { |
| if (bsize <= BLOCK_8X8) |
| return PARTITION_TYPES; |
| else if (bsize == BLOCK_128X128) |
| return EXT_PARTITION_TYPES - 2; |
| else |
| return EXT_PARTITION_TYPES; |
| } |
| |
| static INLINE int max_block_wide(const MACROBLOCKD *xd, BLOCK_SIZE bsize, |
| int plane) { |
| assert(bsize < BLOCK_SIZES_ALL); |
| int max_blocks_wide = block_size_wide[bsize]; |
| |
| if (xd->mb_to_right_edge < 0) { |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| max_blocks_wide += xd->mb_to_right_edge >> (3 + pd->subsampling_x); |
| } |
| |
| // Scale the width in the transform block unit. |
| return max_blocks_wide >> MI_SIZE_LOG2; |
| } |
| |
| static INLINE int max_block_high(const MACROBLOCKD *xd, BLOCK_SIZE bsize, |
| int plane) { |
| int max_blocks_high = block_size_high[bsize]; |
| |
| if (xd->mb_to_bottom_edge < 0) { |
| const struct macroblockd_plane *const pd = &xd->plane[plane]; |
| max_blocks_high += xd->mb_to_bottom_edge >> (3 + pd->subsampling_y); |
| } |
| |
| // Scale the height in the transform block unit. |
| return max_blocks_high >> MI_SIZE_LOG2; |
| } |
| |
| static INLINE void av1_zero_above_context(AV1_COMMON *const cm, |
| const MACROBLOCKD *xd, |
| int mi_col_start, int mi_col_end, |
| const int tile_row) { |
| const SequenceHeader *const seq_params = cm->seq_params; |
| const int num_planes = av1_num_planes(cm); |
| const int width = mi_col_end - mi_col_start; |
| const int aligned_width = |
| ALIGN_POWER_OF_TWO(width, seq_params->mib_size_log2); |
| const int offset_y = mi_col_start; |
| const int width_y = aligned_width; |
| const int offset_uv = offset_y >> seq_params->subsampling_x; |
| const int width_uv = width_y >> seq_params->subsampling_x; |
| CommonContexts *const above_contexts = &cm->above_contexts; |
| |
| av1_zero_array(above_contexts->entropy[0][tile_row] + offset_y, width_y); |
| if (num_planes > 1) { |
| if (above_contexts->entropy[1][tile_row] && |
| above_contexts->entropy[2][tile_row]) { |
| av1_zero_array(above_contexts->entropy[1][tile_row] + offset_uv, |
| width_uv); |
| av1_zero_array(above_contexts->entropy[2][tile_row] + offset_uv, |
| width_uv); |
| } else { |
| aom_internal_error(xd->error_info, AOM_CODEC_CORRUPT_FRAME, |
| "Invalid value of planes"); |
| } |
| } |
| |
| av1_zero_array(above_contexts->partition[tile_row] + mi_col_start, |
| aligned_width); |
| |
| memset(above_contexts->txfm[tile_row] + mi_col_start, |
| tx_size_wide[TX_SIZES_LARGEST], aligned_width * sizeof(TXFM_CONTEXT)); |
| } |
| |
| static INLINE void av1_zero_left_context(MACROBLOCKD *const xd) { |
| av1_zero(xd->left_entropy_context); |
| av1_zero(xd->left_partition_context); |
| |
| memset(xd->left_txfm_context_buffer, tx_size_high[TX_SIZES_LARGEST], |
| sizeof(xd->left_txfm_context_buffer)); |
| } |
| |
| 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 n4_w, int n4_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 = n4_w * MI_SIZE; |
| bh = n4_h * MI_SIZE; |
| } |
| |
| set_txfm_ctx(xd->above_txfm_context, bw, n4_w); |
| set_txfm_ctx(xd->left_txfm_context, bh, n4_h); |
| } |
| |
| static INLINE int get_mi_grid_idx(const CommonModeInfoParams *const mi_params, |
| int mi_row, int mi_col) { |
| return mi_row * mi_params->mi_stride + mi_col; |
| } |
| |
| static INLINE int get_alloc_mi_idx(const CommonModeInfoParams *const mi_params, |
| int mi_row, int mi_col) { |
| const int mi_alloc_size_1d = mi_size_wide[mi_params->mi_alloc_bsize]; |
| const int mi_alloc_row = mi_row / mi_alloc_size_1d; |
| const int mi_alloc_col = mi_col / mi_alloc_size_1d; |
| |
| return mi_alloc_row * mi_params->mi_alloc_stride + mi_alloc_col; |
| } |
| |
| // For this partition block, set pointers in mi_params->mi_grid_base and xd->mi. |
| static INLINE void set_mi_offsets(const CommonModeInfoParams *const mi_params, |
| MACROBLOCKD *const xd, int mi_row, |
| int mi_col) { |
| // 'mi_grid_base' should point to appropriate memory in 'mi'. |
| const int mi_grid_idx = get_mi_grid_idx(mi_params, mi_row, mi_col); |
| const int mi_alloc_idx = get_alloc_mi_idx(mi_params, mi_row, mi_col); |
| mi_params->mi_grid_base[mi_grid_idx] = &mi_params->mi_alloc[mi_alloc_idx]; |
| // 'xd->mi' should point to an offset in 'mi_grid_base'; |
| xd->mi = mi_params->mi_grid_base + mi_grid_idx; |
| // 'xd->tx_type_map' should point to an offset in 'mi_params->tx_type_map'. |
| xd->tx_type_map = mi_params->tx_type_map + mi_grid_idx; |
| xd->tx_type_map_stride = mi_params->mi_stride; |
| } |
| |
| 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 TX_SIZE get_sqr_tx_size(int tx_dim) { |
| switch (tx_dim) { |
| case 128: |
| case 64: return TX_64X64; break; |
| case 32: return TX_32X32; break; |
| case 16: return TX_16X16; break; |
| case 8: return TX_8X8; break; |
| default: return TX_4X4; |
| } |
| } |
| |
| static INLINE TX_SIZE get_tx_size(int width, int height) { |
| if (width == height) { |
| return get_sqr_tx_size(width); |
| } |
| if (width < height) { |
| if (width + width == height) { |
| switch (width) { |
| case 4: return TX_4X8; break; |
| case 8: return TX_8X16; break; |
| case 16: return TX_16X32; break; |
| case 32: return TX_32X64; break; |
| } |
| } else { |
| switch (width) { |
| case 4: return TX_4X16; break; |
| case 8: return TX_8X32; break; |
| case 16: return TX_16X64; break; |
| } |
| } |
| } else { |
| if (height + height == width) { |
| switch (height) { |
| case 4: return TX_8X4; break; |
| case 8: return TX_16X8; break; |
| case 16: return TX_32X16; break; |
| case 32: return TX_64X32; break; |
| } |
| } else { |
| switch (height) { |
| case 4: return TX_16X4; break; |
| case 8: return TX_32X8; break; |
| case 16: return TX_64X16; break; |
| } |
| } |
| } |
| assert(0); |
| return TX_4X4; |
| } |
| |
| static INLINE int txfm_partition_context(const TXFM_CONTEXT *const above_ctx, |
| const TXFM_CONTEXT *const 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; |
| int category = TXFM_PARTITION_CONTEXTS; |
| |
| // dummy return, not used by others. |
| if (tx_size <= TX_4X4) return 0; |
| |
| TX_SIZE max_tx_size = |
| get_sqr_tx_size(AOMMAX(block_size_wide[bsize], block_size_high[bsize])); |
| |
| if (max_tx_size >= TX_8X8) { |
| category = |
| (txsize_sqr_up_map[tx_size] != max_tx_size && max_tx_size > TX_8X8) + |
| (TX_SIZES - 1 - max_tx_size) * 2; |
| } |
| assert(category != TXFM_PARTITION_CONTEXTS); |
| return category * 3 + above + left; |
| } |
| |
| // Compute the next partition in the direction of the sb_type stored in the mi |
| // array, starting with bsize. |
| static INLINE PARTITION_TYPE get_partition(const AV1_COMMON *const cm, |
| int mi_row, int mi_col, |
| BLOCK_SIZE bsize) { |
| const CommonModeInfoParams *const mi_params = &cm->mi_params; |
| if (mi_row >= mi_params->mi_rows || mi_col >= mi_params->mi_cols) |
| return PARTITION_INVALID; |
| |
| const int offset = mi_row * mi_params->mi_stride + mi_col; |
| MB_MODE_INFO **mi = mi_params->mi_grid_base + offset; |
| const BLOCK_SIZE subsize = mi[0]->bsize; |
| |
| assert(bsize < BLOCK_SIZES_ALL); |
| |
| if (subsize == bsize) return PARTITION_NONE; |
| |
| const int bhigh = mi_size_high[bsize]; |
| const int bwide = mi_size_wide[bsize]; |
| const int sshigh = mi_size_high[subsize]; |
| const int sswide = mi_size_wide[subsize]; |
| |
| if (bsize > BLOCK_8X8 && mi_row + bwide / 2 < mi_params->mi_rows && |
| mi_col + bhigh / 2 < mi_params->mi_cols) { |
| // In this case, the block might be using an extended partition |
| // type. |
| const MB_MODE_INFO *const mbmi_right = mi[bwide / 2]; |
| const MB_MODE_INFO *const mbmi_below = mi[bhigh / 2 * mi_params->mi_stride]; |
| |
| if (sswide == bwide) { |
| // Smaller height but same width. Is PARTITION_HORZ_4, PARTITION_HORZ or |
| // PARTITION_HORZ_B. To distinguish the latter two, check if the lower |
| // half was split. |
| if (sshigh * 4 == bhigh) return PARTITION_HORZ_4; |
| assert(sshigh * 2 == bhigh); |
| |
| if (mbmi_below->bsize == subsize) |
| return PARTITION_HORZ; |
| else |
| return PARTITION_HORZ_B; |
| } else if (sshigh == bhigh) { |
| // Smaller width but same height. Is PARTITION_VERT_4, PARTITION_VERT or |
| // PARTITION_VERT_B. To distinguish the latter two, check if the right |
| // half was split. |
| if (sswide * 4 == bwide) return PARTITION_VERT_4; |
| assert(sswide * 2 == bhigh); |
| |
| if (mbmi_right->bsize == subsize) |
| return PARTITION_VERT; |
| else |
| return PARTITION_VERT_B; |
| } else { |
| // Smaller width and smaller height. Might be PARTITION_SPLIT or could be |
| // PARTITION_HORZ_A or PARTITION_VERT_A. If subsize isn't halved in both |
| // dimensions, we immediately know this is a split (which will recurse to |
| // get to subsize). Otherwise look down and to the right. With |
| // PARTITION_VERT_A, the right block will have height bhigh; with |
| // PARTITION_HORZ_A, the lower block with have width bwide. Otherwise |
| // it's PARTITION_SPLIT. |
| if (sswide * 2 != bwide || sshigh * 2 != bhigh) return PARTITION_SPLIT; |
| |
| if (mi_size_wide[mbmi_below->bsize] == bwide) return PARTITION_HORZ_A; |
| if (mi_size_high[mbmi_right->bsize] == bhigh) return PARTITION_VERT_A; |
| |
| return PARTITION_SPLIT; |
| } |
| } |
| const int vert_split = sswide < bwide; |
| const int horz_split = sshigh < bhigh; |
| const int split_idx = (vert_split << 1) | horz_split; |
| assert(split_idx != 0); |
| |
| static const PARTITION_TYPE base_partitions[4] = { |
| PARTITION_INVALID, PARTITION_HORZ, PARTITION_VERT, PARTITION_SPLIT |
| }; |
| |
| return base_partitions[split_idx]; |
| } |
| |
| static INLINE void set_sb_size(SequenceHeader *const seq_params, |
| BLOCK_SIZE sb_size) { |
| seq_params->sb_size = sb_size; |
| seq_params->mib_size = mi_size_wide[seq_params->sb_size]; |
| seq_params->mib_size_log2 = mi_size_wide_log2[seq_params->sb_size]; |
| } |
| |
| // Returns true if the frame is fully lossless at the coded resolution. |
| // Note: If super-resolution is used, such a frame will still NOT be lossless at |
| // the upscaled resolution. |
| static INLINE int is_coded_lossless(const AV1_COMMON *cm, |
| const MACROBLOCKD *xd) { |
| int coded_lossless = 1; |
| if (cm->seg.enabled) { |
| for (int i = 0; i < MAX_SEGMENTS; ++i) { |
| if (!xd->lossless[i]) { |
| coded_lossless = 0; |
| break; |
| } |
| } |
| } else { |
| coded_lossless = xd->lossless[0]; |
| } |
| return coded_lossless; |
| } |
| |
| static INLINE int is_valid_seq_level_idx(AV1_LEVEL seq_level_idx) { |
| return seq_level_idx == SEQ_LEVEL_MAX || |
| (seq_level_idx < SEQ_LEVELS && |
| // The following levels are currently undefined. |
| seq_level_idx != SEQ_LEVEL_2_2 && seq_level_idx != SEQ_LEVEL_2_3 && |
| seq_level_idx != SEQ_LEVEL_3_2 && seq_level_idx != SEQ_LEVEL_3_3 && |
| seq_level_idx != SEQ_LEVEL_4_2 && seq_level_idx != SEQ_LEVEL_4_3 |
| #if !CONFIG_CWG_C013 |
| && seq_level_idx != SEQ_LEVEL_7_0 && seq_level_idx != SEQ_LEVEL_7_1 && |
| seq_level_idx != SEQ_LEVEL_7_2 && seq_level_idx != SEQ_LEVEL_7_3 && |
| seq_level_idx != SEQ_LEVEL_8_0 && seq_level_idx != SEQ_LEVEL_8_1 && |
| seq_level_idx != SEQ_LEVEL_8_2 && seq_level_idx != SEQ_LEVEL_8_3 |
| #endif |
| ); |
| } |
| |
| /*!\endcond */ |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_AV1_COMMON_AV1_COMMON_INT_H_ |