/* * 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_ENUMS_H_ #define AOM_AV1_COMMON_ENUMS_H_ #include "config/aom_config.h" #include "aom/aom_codec.h" #include "aom/aom_integer.h" #include "aom_dsp/txfm_common.h" #include "aom_ports/mem.h" #ifdef __cplusplus extern "C" { #endif /*! @file */ /*!\cond */ // Max superblock size #define MAX_SB_SIZE_LOG2 … #define MAX_SB_SIZE … #define MAX_SB_SQUARE … // Min superblock size #define MIN_SB_SIZE_LOG2 … // Pixels per Mode Info (MI) unit #define MI_SIZE_LOG2 … #define MI_SIZE … // MI-units per max superblock (MI Block - MIB) #define MAX_MIB_SIZE_LOG2 … #define MAX_MIB_SIZE … // MI-units per min superblock #define MIN_MIB_SIZE_LOG2 … // Mask to extract MI offset within max MIB #define MAX_MIB_MASK … // Maximum number of tile rows and tile columns #define MAX_TILE_ROWS … #define MAX_TILE_COLS … #define MAX_VARTX_DEPTH … #define MI_SIZE_64X64 … #define MI_SIZE_128X128 … #define MAX_PALETTE_SQUARE … // Maximum number of colors in a palette. #define PALETTE_MAX_SIZE … // Minimum number of colors in a palette. #define PALETTE_MIN_SIZE … #define FRAME_OFFSET_BITS … #define MAX_FRAME_DISTANCE … // 4 frame filter levels: y plane vertical, y plane horizontal, // u plane, and v plane #define FRAME_LF_COUNT … #define DEFAULT_DELTA_LF_MULTI … #define MAX_MODE_LF_DELTAS … #define DIST_PRECISION_BITS … #define DIST_PRECISION … #define PROFILE_BITS … // The following three profiles are currently defined. // Profile 0. 8-bit and 10-bit 4:2:0 and 4:0:0 only. // Profile 1. 8-bit and 10-bit 4:4:4 // Profile 2. 8-bit and 10-bit 4:2:2 // 12-bit 4:0:0, 4:2:2 and 4:4:4 // Since we have three bits for the profiles, it can be extended later. enum { … } SENUM1BYTE(…) …; #define OP_POINTS_CNT_MINUS_1_BITS … #define OP_POINTS_IDC_BITS … // Note: Some enums use the attribute 'packed' to use smallest possible integer // type, so that we can save memory when they are used in structs/arrays. BLOCK_SIZE; // 4X4, 8X8, 16X16, 32X32, 64X64, 128X128 #define SQR_BLOCK_SIZES … // Partition types. R: Recursive // // NONE HORZ VERT SPLIT // +-------+ +-------+ +---+---+ +---+---+ // | | | | | | | | R | R | // | | +-------+ | | | +---+---+ // | | | | | | | | R | R | // +-------+ +-------+ +---+---+ +---+---+ // // HORZ_A HORZ_B VERT_A VERT_B // +---+---+ +-------+ +---+---+ +---+---+ // | | | | | | | | | | | // +---+---+ +---+---+ +---+ | | +---+ // | | | | | | | | | | | // +-------+ +---+---+ +---+---+ +---+---+ // // HORZ_4 VERT_4 // +-----+ +-+-+-+ // +-----+ | | | | // +-----+ | | | | // +-----+ +-+-+-+ enum { … } UENUM1BYTE(…) …; PARTITION_CONTEXT; #define PARTITION_PLOFFSET … #define PARTITION_BLOCK_SIZES … #define PARTITION_CONTEXTS … #define TX_SIZE_LUMA_MIN … /* We don't need to code a transform size unless the allowed size is at least one more than the minimum. */ #define TX_SIZE_CTX_MIN … // Maximum tx_size categories #define MAX_TX_CATS … #define MAX_TX_DEPTH … #define MAX_TX_SIZE_LOG2 … #define MAX_TX_SIZE … #define MIN_TX_SIZE_LOG2 … #define MIN_TX_SIZE … #define MAX_TX_SQUARE … // Pad 4 extra columns to remove horizontal availability check. #define TX_PAD_HOR_LOG2 … #define TX_PAD_HOR … // Pad 6 extra rows (2 on top and 4 on bottom) to remove vertical availability // check. #define TX_PAD_TOP … #define TX_PAD_BOTTOM … #define TX_PAD_VER … // Pad 16 extra bytes to avoid reading overflow in SIMD optimization. #define TX_PAD_END … #define TX_PAD_2D … // Number of maximum size transform blocks in the maximum size superblock #define MAX_TX_BLOCKS_IN_MAX_SB_LOG2 … #define MAX_TX_BLOCKS_IN_MAX_SB … // frame transform mode enum { … } UENUM1BYTE(…) …; // 1D tx types enum { … } UENUM1BYTE(…) …; enum { … } UENUM1BYTE(…) …; #define EXT_TX_SIZES … #define EXT_TX_SETS_INTER … #define EXT_TX_SETS_INTRA … enum { … } UENUM1BYTE(…) …; enum { … } UENUM1BYTE(…) …; enum { … } UENUM1BYTE(…) …; #define CFL_ALPHABET_SIZE_LOG2 … #define CFL_ALPHABET_SIZE … #define CFL_MAGS_SIZE … #define CFL_INDEX_ZERO … #define CFL_IDX_U(idx) … #define CFL_IDX_V(idx) … enum { … } UENUM1BYTE(…) …; enum { … } UENUM1BYTE(…) …; enum { … } UENUM1BYTE(…) …; // CFL_SIGN_ZERO,CFL_SIGN_ZERO is invalid #define CFL_JOINT_SIGNS … // CFL_SIGN_U is equivalent to (js + 1) / 3 for js in 0 to 8 #define CFL_SIGN_U(js) … // CFL_SIGN_V is equivalent to (js + 1) % 3 for js in 0 to 8 #define CFL_SIGN_V(js) … // There is no context when the alpha for a given plane is zero. // So there are 2 fewer contexts than joint signs. #define CFL_ALPHA_CONTEXTS … #define CFL_CONTEXT_U(js) … // Also, the contexts are symmetric under swapping the planes. #define CFL_CONTEXT_V(js) … enum { … } UENUM1BYTE(…) …; enum { … } UENUM1BYTE(…) …; enum { … } UENUM1BYTE(…) …; // Note: All directional predictors must be between V_PRED and D67_PRED (both // inclusive). enum { … } UENUM1BYTE(…) …; // TODO(ltrudeau) Do we really want to pack this? // TODO(ltrudeau) Do we match with PREDICTION_MODE? enum { … } UENUM1BYTE(…) …; // Number of top model rd to store for pruning y modes in intra mode decision #define TOP_INTRA_MODEL_COUNT … // Total number of luma intra prediction modes (include both directional and // non-directional modes) // Because there are 8 directional modes, each has additional 6 delta angles. #define LUMA_MODE_COUNT … enum { … } UENUM1BYTE(…) …; enum { … } UENUM1BYTE(…) …; enum { … } UENUM1BYTE(…) …; enum { … } UENUM1BYTE(…) …; enum { … } UENUM1BYTE(…) …; #define LEVEL_BITS … #define DIRECTIONAL_MODES … #define MAX_ANGLE_DELTA … #define ANGLE_STEP … #define INTER_MODES … #define INTER_COMPOUND_MODES … #define SKIP_CONTEXTS … #define SKIP_MODE_CONTEXTS … #define COMP_INDEX_CONTEXTS … #define COMP_GROUP_IDX_CONTEXTS … #define NMV_CONTEXTS … #define NEWMV_MODE_CONTEXTS … #define GLOBALMV_MODE_CONTEXTS … #define REFMV_MODE_CONTEXTS … #define DRL_MODE_CONTEXTS … #define GLOBALMV_OFFSET … #define REFMV_OFFSET … #define NEWMV_CTX_MASK … #define GLOBALMV_CTX_MASK … #define REFMV_CTX_MASK … #define COMP_NEWMV_CTXS … #define INTER_MODE_CONTEXTS … #define DELTA_Q_SMALL … #define DELTA_Q_PROBS … #define DEFAULT_DELTA_Q_RES_PERCEPTUAL … #define DEFAULT_DELTA_Q_RES_OBJECTIVE … #define DEFAULT_DELTA_Q_RES_DUCKY_ENCODE … #define DELTA_LF_SMALL … #define DELTA_LF_PROBS … #define DEFAULT_DELTA_LF_RES … /* Segment Feature Masks */ #define MAX_MV_REF_CANDIDATES … #define MAX_REF_MV_STACK_SIZE … #define USABLE_REF_MV_STACK_SIZE … #define REF_CAT_LEVEL … #define INTRA_INTER_CONTEXTS … #define COMP_INTER_CONTEXTS … #define REF_CONTEXTS … #define COMP_REF_TYPE_CONTEXTS … #define UNI_COMP_REF_CONTEXTS … #define TXFM_PARTITION_CONTEXTS … TXFM_CONTEXT; // An enum for single reference types (and some derived values). enum { … }; #define REF_FRAMES_LOG2 … // REF_FRAMES for the cm->ref_frame_map array, 1 scratch frame for the new // frame in cm->cur_frame, INTER_REFS_PER_FRAME for scaled references on the // encoder in the cpi->scaled_ref_buf array. // The encoder uses FRAME_BUFFERS only in GOOD and REALTIME encoding modes. // The decoder also uses FRAME_BUFFERS. #define FRAME_BUFFERS … // During allintra encoding, one reference frame buffer is free to be used again // only after another frame buffer is stored as the reference frame. Hence, it // is necessary and sufficient to maintain only two reference frame buffers in // this case. #define FRAME_BUFFERS_ALLINTRA … #define FWD_RF_OFFSET(ref) … #define BWD_RF_OFFSET(ref) … // Select all the decoded frame buffer slots #define SELECT_ALL_BUF_SLOTS … enum { … } UENUM1BYTE(…) …; #define TOTAL_COMP_REFS … #define COMP_REFS … // NOTE: A limited number of unidirectional reference pairs can be signalled for // compound prediction. The use of skip mode, on the other hand, makes it // possible to have a reference pair not listed for explicit signaling. #define MODE_CTX_REF_FRAMES … // Note: It includes single and compound references. So, it can take values from // NONE_FRAME to (MODE_CTX_REF_FRAMES - 1). Hence, it is not defined as an enum. MV_REFERENCE_FRAME; /*!\endcond */ /*!\enum RestorationType * \brief This enumeration defines various restoration types supported */ RestorationType; /*!\cond */ // Picture prediction structures (0-13 are predefined) in scalability metadata. enum { … } UENUM1BYTE(…) …; #define SUPERRES_SCALE_BITS … #define SUPERRES_SCALE_DENOMINATOR_MIN … // In large_scale_tile coding, external references are used. #define MAX_EXTERNAL_REFERENCES … #define MAX_TILES … /*!\endcond */ #ifdef __cplusplus } // extern "C" #endif #endif // AOM_AV1_COMMON_ENUMS_H_