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authortrav90 <travawine@palemoon.org>2018-10-15 21:45:30 -0500
committertrav90 <travawine@palemoon.org>2018-10-15 21:45:30 -0500
commit68569dee1416593955c1570d638b3d9250b33012 (patch)
treed960f017cd7eba3f125b7e8a813789ee2e076310 /third_party/aom/av1/common/entropymode.h
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Import aom library
This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
Diffstat (limited to 'third_party/aom/av1/common/entropymode.h')
-rw-r--r--third_party/aom/av1/common/entropymode.h575
1 files changed, 575 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/entropymode.h b/third_party/aom/av1/common/entropymode.h
new file mode 100644
index 000000000..9c3a78d61
--- /dev/null
+++ b/third_party/aom/av1/common/entropymode.h
@@ -0,0 +1,575 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AV1_COMMON_ENTROPYMODE_H_
+#define AV1_COMMON_ENTROPYMODE_H_
+
+#include "av1/common/entropy.h"
+#include "av1/common/entropymv.h"
+#include "av1/common/filter.h"
+#include "av1/common/seg_common.h"
+#include "aom_dsp/aom_filter.h"
+
+#if CONFIG_PVQ
+#include "av1/common/pvq.h"
+#include "av1/common/pvq_state.h"
+#include "av1/common/generic_code.h"
+#endif // CONFIG_PVQ
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define BLOCK_SIZE_GROUPS 4
+
+#define TX_SIZE_CONTEXTS 2
+
+#define INTER_OFFSET(mode) ((mode)-NEARESTMV)
+#if CONFIG_EXT_INTER
+#if CONFIG_COMPOUND_SINGLEREF
+#define INTER_SINGLEREF_COMP_OFFSET(mode) ((mode)-SR_NEAREST_NEARMV)
+#endif // CONFIG_COMPOUND_SINGLEREF
+#define INTER_COMPOUND_OFFSET(mode) ((mode)-NEAREST_NEARESTMV)
+#endif // CONFIG_EXT_INTER
+
+#if CONFIG_PALETTE
+// Number of possible contexts for a color index.
+// As can be seen from av1_get_palette_color_index_context(), the possible
+// contexts are (2,0,0), (2,2,1), (3,2,0), (4,1,0), (5,0,0). These are mapped to
+// a value from 0 to 4 using 'palette_color_index_context_lookup' table.
+#define PALETTE_COLOR_INDEX_CONTEXTS 5
+
+// Maximum number of colors in a palette.
+#define PALETTE_MAX_SIZE 8
+// Minimum number of colors in a palette.
+#define PALETTE_MIN_SIZE 2
+
+// Palette mode is available for block sizes >= 8x8.
+#define PALETTE_BLOCK_SIZES (BLOCK_LARGEST - BLOCK_8X8 + 1)
+
+// Palette Y mode context for a block is determined by number of neighboring
+// blocks (top and/or left) using a palette for Y plane. So, possible Y mode'
+// context values are:
+// 0 if neither left nor top block uses palette for Y plane,
+// 1 if exactly one of left or top block uses palette for Y plane, and
+// 2 if both left and top blocks use palette for Y plane.
+#define PALETTE_Y_MODE_CONTEXTS 3
+
+// Palette UV mode context for a block is determined by whether this block uses
+// palette for the Y plane. So, possible values are:
+// 0 if this block doesn't use palette for Y plane.
+// 1 if this block uses palette for Y plane (i.e. Y palette size > 0).
+#define PALETTE_UV_MODE_CONTEXTS 2
+
+#define PALETTE_MAX_BLOCK_SIZE (64 * 64)
+#endif // CONFIG_PALETTE
+
+#if CONFIG_INTRABC
+#define INTRABC_PROB 192
+#endif // CONFIG_INTRABC
+
+struct AV1Common;
+
+typedef struct {
+ const int16_t *scan;
+ const int16_t *iscan;
+ const int16_t *neighbors;
+} SCAN_ORDER;
+
+struct seg_counts {
+ unsigned int tree_total[MAX_SEGMENTS];
+ unsigned int tree_mispred[MAX_SEGMENTS];
+ unsigned int pred[PREDICTION_PROBS][2];
+};
+
+typedef struct frame_contexts {
+ aom_prob y_mode_prob[BLOCK_SIZE_GROUPS][INTRA_MODES - 1];
+ aom_prob uv_mode_prob[INTRA_MODES][INTRA_MODES - 1];
+#if CONFIG_EXT_PARTITION_TYPES
+ aom_prob partition_prob[PARTITION_CONTEXTS][EXT_PARTITION_TYPES - 1];
+#else
+ aom_prob partition_prob[PARTITION_CONTEXTS][PARTITION_TYPES - 1];
+#endif
+ av1_coeff_probs_model coef_probs[TX_SIZES][PLANE_TYPES];
+#if CONFIG_NEW_TOKENSET
+ coeff_cdf_model coef_tail_cdfs[TX_SIZES][PLANE_TYPES];
+ coeff_cdf_model coef_head_cdfs[TX_SIZES][PLANE_TYPES];
+ aom_prob blockzero_probs[TX_SIZES][PLANE_TYPES][REF_TYPES][BLOCKZ_CONTEXTS];
+#elif CONFIG_EC_MULTISYMBOL
+ coeff_cdf_model coef_cdfs[TX_SIZES][PLANE_TYPES];
+#endif // CONFIG_NEW_TOKENSET
+ aom_prob switchable_interp_prob[SWITCHABLE_FILTER_CONTEXTS]
+ [SWITCHABLE_FILTERS - 1];
+#if CONFIG_ADAPT_SCAN
+// TODO(angiebird): try aom_prob
+#if CONFIG_CB4X4
+ uint32_t non_zero_prob_2x2[TX_TYPES][4];
+#endif
+ uint32_t non_zero_prob_4X4[TX_TYPES][16];
+ uint32_t non_zero_prob_8X8[TX_TYPES][64];
+ uint32_t non_zero_prob_16X16[TX_TYPES][256];
+ uint32_t non_zero_prob_32X32[TX_TYPES][1024];
+
+ uint32_t non_zero_prob_4X8[TX_TYPES][32];
+ uint32_t non_zero_prob_8X4[TX_TYPES][32];
+ uint32_t non_zero_prob_16X8[TX_TYPES][128];
+ uint32_t non_zero_prob_8X16[TX_TYPES][128];
+ uint32_t non_zero_prob_32X16[TX_TYPES][512];
+ uint32_t non_zero_prob_16X32[TX_TYPES][512];
+
+#if CONFIG_CB4X4
+ DECLARE_ALIGNED(16, int16_t, scan_2x2[TX_TYPES][4]);
+#endif
+ DECLARE_ALIGNED(16, int16_t, scan_4X4[TX_TYPES][16]);
+ DECLARE_ALIGNED(16, int16_t, scan_8X8[TX_TYPES][64]);
+ DECLARE_ALIGNED(16, int16_t, scan_16X16[TX_TYPES][256]);
+ DECLARE_ALIGNED(16, int16_t, scan_32X32[TX_TYPES][1024]);
+
+ DECLARE_ALIGNED(16, int16_t, scan_4X8[TX_TYPES][32]);
+ DECLARE_ALIGNED(16, int16_t, scan_8X4[TX_TYPES][32]);
+ DECLARE_ALIGNED(16, int16_t, scan_8X16[TX_TYPES][128]);
+ DECLARE_ALIGNED(16, int16_t, scan_16X8[TX_TYPES][128]);
+ DECLARE_ALIGNED(16, int16_t, scan_16X32[TX_TYPES][512]);
+ DECLARE_ALIGNED(16, int16_t, scan_32X16[TX_TYPES][512]);
+
+#if CONFIG_CB4X4
+ DECLARE_ALIGNED(16, int16_t, iscan_2x2[TX_TYPES][4]);
+#endif
+ DECLARE_ALIGNED(16, int16_t, iscan_4X4[TX_TYPES][16]);
+ DECLARE_ALIGNED(16, int16_t, iscan_8X8[TX_TYPES][64]);
+ DECLARE_ALIGNED(16, int16_t, iscan_16X16[TX_TYPES][256]);
+ DECLARE_ALIGNED(16, int16_t, iscan_32X32[TX_TYPES][1024]);
+
+ DECLARE_ALIGNED(16, int16_t, iscan_4X8[TX_TYPES][32]);
+ DECLARE_ALIGNED(16, int16_t, iscan_8X4[TX_TYPES][32]);
+ DECLARE_ALIGNED(16, int16_t, iscan_8X16[TX_TYPES][128]);
+ DECLARE_ALIGNED(16, int16_t, iscan_16X8[TX_TYPES][128]);
+ DECLARE_ALIGNED(16, int16_t, iscan_16X32[TX_TYPES][512]);
+ DECLARE_ALIGNED(16, int16_t, iscan_32X16[TX_TYPES][512]);
+
+#if CONFIG_CB4X4
+ int16_t nb_2x2[TX_TYPES][(4 + 1) * 2];
+#endif
+ int16_t nb_4X4[TX_TYPES][(16 + 1) * 2];
+ int16_t nb_8X8[TX_TYPES][(64 + 1) * 2];
+ int16_t nb_16X16[TX_TYPES][(256 + 1) * 2];
+ int16_t nb_32X32[TX_TYPES][(1024 + 1) * 2];
+
+ int16_t nb_4X8[TX_TYPES][(32 + 1) * 2];
+ int16_t nb_8X4[TX_TYPES][(32 + 1) * 2];
+ int16_t nb_8X16[TX_TYPES][(128 + 1) * 2];
+ int16_t nb_16X8[TX_TYPES][(128 + 1) * 2];
+ int16_t nb_16X32[TX_TYPES][(512 + 1) * 2];
+ int16_t nb_32X16[TX_TYPES][(512 + 1) * 2];
+
+ SCAN_ORDER sc[TX_SIZES_ALL][TX_TYPES];
+
+ int16_t eob_threshold[TX_SIZES_ALL][TX_TYPES][EOB_THRESHOLD_NUM];
+#endif // CONFIG_ADAPT_SCAN
+
+#if CONFIG_LV_MAP
+ aom_prob txb_skip[TX_SIZES][TXB_SKIP_CONTEXTS];
+ aom_prob nz_map[TX_SIZES][PLANE_TYPES][SIG_COEF_CONTEXTS];
+ aom_prob eob_flag[TX_SIZES][PLANE_TYPES][EOB_COEF_CONTEXTS];
+ aom_prob dc_sign[PLANE_TYPES][DC_SIGN_CONTEXTS];
+ aom_prob coeff_base[TX_SIZES][PLANE_TYPES][NUM_BASE_LEVELS]
+ [COEFF_BASE_CONTEXTS];
+ aom_prob coeff_lps[TX_SIZES][PLANE_TYPES][LEVEL_CONTEXTS];
+#endif
+
+#if CONFIG_REF_MV
+ aom_prob newmv_prob[NEWMV_MODE_CONTEXTS];
+ aom_prob zeromv_prob[ZEROMV_MODE_CONTEXTS];
+ aom_prob refmv_prob[REFMV_MODE_CONTEXTS];
+ aom_prob drl_prob[DRL_MODE_CONTEXTS];
+#endif // CONFIG_REF_MV
+
+ aom_prob inter_mode_probs[INTER_MODE_CONTEXTS][INTER_MODES - 1];
+#if CONFIG_EXT_INTER
+ aom_prob inter_compound_mode_probs[INTER_MODE_CONTEXTS]
+ [INTER_COMPOUND_MODES - 1];
+#if CONFIG_COMPOUND_SINGLEREF
+ aom_prob inter_singleref_comp_mode_probs[INTER_MODE_CONTEXTS]
+ [INTER_SINGLEREF_COMP_MODES - 1];
+#endif // CONFIG_COMPOUND_SINGLEREF
+ aom_prob compound_type_prob[BLOCK_SIZES][COMPOUND_TYPES - 1];
+ aom_prob interintra_prob[BLOCK_SIZE_GROUPS];
+ aom_prob interintra_mode_prob[BLOCK_SIZE_GROUPS][INTERINTRA_MODES - 1];
+ aom_prob wedge_interintra_prob[BLOCK_SIZES];
+#endif // CONFIG_EXT_INTER
+#if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+ aom_prob motion_mode_prob[BLOCK_SIZES][MOTION_MODES - 1];
+#if CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
+ aom_prob obmc_prob[BLOCK_SIZES];
+#endif // CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
+#endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+ aom_prob intra_inter_prob[INTRA_INTER_CONTEXTS];
+ aom_prob comp_inter_prob[COMP_INTER_CONTEXTS];
+ aom_prob single_ref_prob[REF_CONTEXTS][SINGLE_REFS - 1];
+#if CONFIG_EXT_REFS
+ aom_prob comp_ref_prob[REF_CONTEXTS][FWD_REFS - 1];
+ aom_prob comp_bwdref_prob[REF_CONTEXTS][BWD_REFS - 1];
+#else
+ aom_prob comp_ref_prob[REF_CONTEXTS][COMP_REFS - 1];
+#endif // CONFIG_EXT_REFS
+#if CONFIG_EXT_INTER && CONFIG_COMPOUND_SINGLEREF
+ aom_prob comp_inter_mode_prob[COMP_INTER_MODE_CONTEXTS];
+#endif // CONFIG_EXT_INTER && CONFIG_COMPOUND_SINGLEREF
+ aom_prob tx_size_probs[MAX_TX_DEPTH][TX_SIZE_CONTEXTS][MAX_TX_DEPTH];
+#if CONFIG_VAR_TX
+ aom_prob txfm_partition_prob[TXFM_PARTITION_CONTEXTS];
+#endif
+ aom_prob skip_probs[SKIP_CONTEXTS];
+#if CONFIG_REF_MV
+ nmv_context nmvc[NMV_CONTEXTS];
+#else
+ nmv_context nmvc;
+#endif
+#if CONFIG_INTRABC
+ nmv_context ndvc;
+#endif
+ int initialized;
+#if CONFIG_EXT_TX
+ aom_prob inter_ext_tx_prob[EXT_TX_SETS_INTER][EXT_TX_SIZES][TX_TYPES - 1];
+ aom_prob intra_ext_tx_prob[EXT_TX_SETS_INTRA][EXT_TX_SIZES][INTRA_MODES]
+ [TX_TYPES - 1];
+#else
+ aom_prob intra_ext_tx_prob[EXT_TX_SIZES][TX_TYPES][TX_TYPES - 1];
+ aom_prob inter_ext_tx_prob[EXT_TX_SIZES][TX_TYPES - 1];
+#endif // CONFIG_EXT_TX
+#if CONFIG_SUPERTX
+ aom_prob supertx_prob[PARTITION_SUPERTX_CONTEXTS][TX_SIZES];
+#endif // CONFIG_SUPERTX
+ struct segmentation_probs seg;
+#if CONFIG_EXT_INTRA
+#if CONFIG_INTRA_INTERP
+ aom_prob intra_filter_probs[INTRA_FILTERS + 1][INTRA_FILTERS - 1];
+#endif // CONFIG_INTRA_INTERP
+#endif // CONFIG_EXT_INTRA
+#if CONFIG_FILTER_INTRA
+ aom_prob filter_intra_probs[PLANE_TYPES];
+#endif // CONFIG_FILTER_INTRA
+#if CONFIG_GLOBAL_MOTION
+ aom_prob global_motion_types_prob[GLOBAL_TRANS_TYPES - 1];
+#endif // CONFIG_GLOBAL_MOTION
+#if CONFIG_LOOP_RESTORATION
+ aom_prob switchable_restore_prob[RESTORE_SWITCHABLE_TYPES - 1];
+#endif // CONFIG_LOOP_RESTORATION
+#if CONFIG_EC_MULTISYMBOL
+ aom_cdf_prob y_mode_cdf[BLOCK_SIZE_GROUPS][CDF_SIZE(INTRA_MODES)];
+ aom_cdf_prob uv_mode_cdf[INTRA_MODES][CDF_SIZE(INTRA_MODES)];
+#if CONFIG_EXT_PARTITION_TYPES
+ aom_cdf_prob partition_cdf[PARTITION_CONTEXTS][CDF_SIZE(EXT_PARTITION_TYPES)];
+#else
+ aom_cdf_prob partition_cdf[PARTITION_CONTEXTS][CDF_SIZE(PARTITION_TYPES)];
+#endif
+ aom_cdf_prob switchable_interp_cdf[SWITCHABLE_FILTER_CONTEXTS]
+ [CDF_SIZE(SWITCHABLE_FILTERS)];
+ aom_cdf_prob inter_mode_cdf[INTER_MODE_CONTEXTS][CDF_SIZE(INTER_MODES)];
+ /* Keep track of kf_y_cdf here, as this makes handling
+ multiple copies for adaptation in tiles easier */
+ aom_cdf_prob kf_y_cdf[INTRA_MODES][INTRA_MODES][CDF_SIZE(INTRA_MODES)];
+ aom_cdf_prob tx_size_cdf[MAX_TX_DEPTH][TX_SIZE_CONTEXTS]
+ [CDF_SIZE(MAX_TX_DEPTH + 1)];
+#if CONFIG_DELTA_Q
+ aom_cdf_prob delta_q_cdf[CDF_SIZE(DELTA_Q_PROBS + 1)];
+#if CONFIG_EXT_DELTA_Q
+ aom_cdf_prob delta_lf_cdf[CDF_SIZE(DELTA_LF_PROBS + 1)];
+#endif
+#endif // CONFIG_DELTA_Q
+#if CONFIG_EXT_TX
+ aom_cdf_prob intra_ext_tx_cdf[EXT_TX_SETS_INTRA][EXT_TX_SIZES][INTRA_MODES]
+ [CDF_SIZE(TX_TYPES)];
+ aom_cdf_prob inter_ext_tx_cdf[EXT_TX_SETS_INTER][EXT_TX_SIZES]
+ [CDF_SIZE(TX_TYPES)];
+#else
+ aom_cdf_prob intra_ext_tx_cdf[EXT_TX_SIZES][TX_TYPES][CDF_SIZE(TX_TYPES)];
+ aom_cdf_prob inter_ext_tx_cdf[EXT_TX_SIZES][CDF_SIZE(TX_TYPES)];
+#endif // CONFIG_EXT_TX
+#if CONFIG_EXT_INTRA && CONFIG_INTRA_INTERP
+ aom_cdf_prob intra_filter_cdf[INTRA_FILTERS + 1][CDF_SIZE(INTRA_FILTERS)];
+#endif // CONFIG_EXT_INTRA && CONFIG_INTRA_INTERP
+#endif // CONFIG_EC_MULTISYMBOL
+#if CONFIG_DELTA_Q
+ aom_prob delta_q_prob[DELTA_Q_PROBS];
+#if CONFIG_EXT_DELTA_Q
+ aom_prob delta_lf_prob[DELTA_LF_PROBS];
+#endif
+#endif
+#if CONFIG_PVQ
+ // TODO(any): If PVQ is enabled, most of coefficient related cdf,
+ // such as coef_cdfs[], coef_tail_cdfs[], and coef_heaf_cdfs[] can be removed.
+ od_adapt_ctx pvq_context;
+#endif // CONFIG_PVQ
+} FRAME_CONTEXT;
+
+typedef struct FRAME_COUNTS {
+ // Note: This structure should only contain 'unsigned int' fields, or
+ // aggregates built solely from 'unsigned int' fields/elements
+ unsigned int kf_y_mode[INTRA_MODES][INTRA_MODES][INTRA_MODES];
+ unsigned int y_mode[BLOCK_SIZE_GROUPS][INTRA_MODES];
+ unsigned int uv_mode[INTRA_MODES][INTRA_MODES];
+#if CONFIG_EXT_PARTITION_TYPES
+ unsigned int partition[PARTITION_CONTEXTS][EXT_PARTITION_TYPES];
+#else
+ unsigned int partition[PARTITION_CONTEXTS][PARTITION_TYPES];
+#endif
+ av1_coeff_count_model coef[TX_SIZES][PLANE_TYPES];
+ unsigned int eob_branch[TX_SIZES][PLANE_TYPES][REF_TYPES][COEF_BANDS]
+ [COEFF_CONTEXTS];
+ unsigned int switchable_interp[SWITCHABLE_FILTER_CONTEXTS]
+ [SWITCHABLE_FILTERS];
+#if CONFIG_ADAPT_SCAN
+#if CONFIG_CB4X4
+ unsigned int non_zero_count_2x2[TX_TYPES][4];
+#endif // CONFIG_CB4X4
+ unsigned int non_zero_count_4X4[TX_TYPES][16];
+ unsigned int non_zero_count_8X8[TX_TYPES][64];
+ unsigned int non_zero_count_16X16[TX_TYPES][256];
+ unsigned int non_zero_count_32X32[TX_TYPES][1024];
+
+ unsigned int non_zero_count_4x8[TX_TYPES][32];
+ unsigned int non_zero_count_8x4[TX_TYPES][32];
+ unsigned int non_zero_count_8x16[TX_TYPES][128];
+ unsigned int non_zero_count_16x8[TX_TYPES][128];
+ unsigned int non_zero_count_16x32[TX_TYPES][512];
+ unsigned int non_zero_count_32x16[TX_TYPES][512];
+
+ unsigned int txb_count[TX_SIZES_ALL][TX_TYPES];
+#endif // CONFIG_ADAPT_SCAN
+
+#if CONFIG_LV_MAP
+ unsigned int txb_skip[TX_SIZES][TXB_SKIP_CONTEXTS][2];
+ unsigned int nz_map[TX_SIZES][PLANE_TYPES][SIG_COEF_CONTEXTS][2];
+ unsigned int eob_flag[TX_SIZES][PLANE_TYPES][EOB_COEF_CONTEXTS][2];
+ unsigned int dc_sign[PLANE_TYPES][DC_SIGN_CONTEXTS][2];
+ unsigned int coeff_base[TX_SIZES][PLANE_TYPES][NUM_BASE_LEVELS]
+ [COEFF_BASE_CONTEXTS][2];
+ unsigned int coeff_lps[TX_SIZES][PLANE_TYPES][LEVEL_CONTEXTS][2];
+#endif // CONFIG_LV_MAP
+
+#if CONFIG_EC_MULTISYMBOL
+ av1_blockz_count_model blockz_count[TX_SIZES][PLANE_TYPES];
+#endif
+
+#if CONFIG_REF_MV
+ unsigned int newmv_mode[NEWMV_MODE_CONTEXTS][2];
+ unsigned int zeromv_mode[ZEROMV_MODE_CONTEXTS][2];
+ unsigned int refmv_mode[REFMV_MODE_CONTEXTS][2];
+ unsigned int drl_mode[DRL_MODE_CONTEXTS][2];
+#endif
+
+ unsigned int inter_mode[INTER_MODE_CONTEXTS][INTER_MODES];
+#if CONFIG_EXT_INTER
+ unsigned int inter_compound_mode[INTER_MODE_CONTEXTS][INTER_COMPOUND_MODES];
+#if CONFIG_COMPOUND_SINGLEREF
+ unsigned int inter_singleref_comp_mode[INTER_MODE_CONTEXTS]
+ [INTER_SINGLEREF_COMP_MODES];
+#endif // CONFIG_COMPOUND_SINGLEREF
+ unsigned int interintra[BLOCK_SIZE_GROUPS][2];
+ unsigned int interintra_mode[BLOCK_SIZE_GROUPS][INTERINTRA_MODES];
+ unsigned int wedge_interintra[BLOCK_SIZES][2];
+ unsigned int compound_interinter[BLOCK_SIZES][COMPOUND_TYPES];
+#endif // CONFIG_EXT_INTER
+#if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+ unsigned int motion_mode[BLOCK_SIZES][MOTION_MODES];
+#if CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
+ unsigned int obmc[BLOCK_SIZES][2];
+#endif // CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
+#endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+ unsigned int intra_inter[INTRA_INTER_CONTEXTS][2];
+ unsigned int comp_inter[COMP_INTER_CONTEXTS][2];
+ unsigned int single_ref[REF_CONTEXTS][SINGLE_REFS - 1][2];
+#if CONFIG_EXT_REFS
+ unsigned int comp_ref[REF_CONTEXTS][FWD_REFS - 1][2];
+ unsigned int comp_bwdref[REF_CONTEXTS][BWD_REFS - 1][2];
+#else
+ unsigned int comp_ref[REF_CONTEXTS][COMP_REFS - 1][2];
+#endif // CONFIG_EXT_REFS
+#if CONFIG_EXT_INTER && CONFIG_COMPOUND_SINGLEREF
+ unsigned int comp_inter_mode[COMP_INTER_MODE_CONTEXTS][2];
+#endif // CONFIG_EXT_INTER && CONFIG_COMPOUND_SINGLEREF
+ // TODO(any): tx_size_totals is only used by the encoder to decide whether
+ // to use forward updates for the coeff probs, and as such it does not really
+ // belong into this structure.
+ unsigned int tx_size_totals[TX_SIZES];
+ unsigned int tx_size[MAX_TX_DEPTH][TX_SIZE_CONTEXTS][TX_SIZES];
+#if CONFIG_VAR_TX
+ unsigned int txfm_partition[TXFM_PARTITION_CONTEXTS][2];
+#endif
+ unsigned int skip[SKIP_CONTEXTS][2];
+#if CONFIG_REF_MV
+ nmv_context_counts mv[NMV_CONTEXTS];
+#else
+ nmv_context_counts mv;
+#endif
+#if CONFIG_INTRABC
+ nmv_context_counts dv;
+#endif
+#if CONFIG_DELTA_Q
+ unsigned int delta_q[DELTA_Q_PROBS][2];
+#if CONFIG_EXT_DELTA_Q
+ unsigned int delta_lf[DELTA_LF_PROBS][2];
+#endif
+#endif
+#if CONFIG_EXT_TX
+#if CONFIG_RECT_TX
+ unsigned int tx_size_implied[TX_SIZES][TX_SIZES];
+#endif // CONFIG_RECT_TX
+ unsigned int inter_ext_tx[EXT_TX_SETS_INTER][EXT_TX_SIZES][TX_TYPES];
+ unsigned int intra_ext_tx[EXT_TX_SETS_INTRA][EXT_TX_SIZES][INTRA_MODES]
+ [TX_TYPES];
+#else
+ unsigned int intra_ext_tx[EXT_TX_SIZES][TX_TYPES][TX_TYPES];
+ unsigned int inter_ext_tx[EXT_TX_SIZES][TX_TYPES];
+#endif // CONFIG_EXT_TX
+#if CONFIG_SUPERTX
+ unsigned int supertx[PARTITION_SUPERTX_CONTEXTS][TX_SIZES][2];
+ unsigned int supertx_size[TX_SIZES];
+#endif // CONFIG_SUPERTX
+ struct seg_counts seg;
+#if CONFIG_EXT_INTRA
+#if CONFIG_INTRA_INTERP
+ unsigned int intra_filter[INTRA_FILTERS + 1][INTRA_FILTERS];
+#endif // CONFIG_INTRA_INTERP
+#endif // CONFIG_EXT_INTRA
+#if CONFIG_FILTER_INTRA
+ unsigned int filter_intra[PLANE_TYPES][2];
+#endif // CONFIG_FILTER_INTRA
+} FRAME_COUNTS;
+
+// Default probabilities for signaling Intra mode for Y plane -- used only for
+// intra-only frames. ('default_if_y_probs' is used for inter frames).
+// Contexts used: Intra mode (Y plane) of 'above' and 'left' blocks.
+extern const aom_prob av1_kf_y_mode_prob[INTRA_MODES][INTRA_MODES]
+ [INTRA_MODES - 1];
+#if CONFIG_EC_MULTISYMBOL
+// CDF version of 'av1_kf_y_mode_prob'.
+extern const aom_cdf_prob av1_kf_y_mode_cdf[INTRA_MODES][INTRA_MODES]
+ [CDF_SIZE(INTRA_MODES)];
+#endif
+
+#if CONFIG_PALETTE
+extern const aom_prob av1_default_palette_y_mode_prob[PALETTE_BLOCK_SIZES]
+ [PALETTE_Y_MODE_CONTEXTS];
+extern const aom_prob
+ av1_default_palette_uv_mode_prob[PALETTE_UV_MODE_CONTEXTS];
+extern const aom_prob av1_default_palette_y_size_prob[PALETTE_BLOCK_SIZES]
+ [PALETTE_SIZES - 1];
+extern const aom_prob av1_default_palette_uv_size_prob[PALETTE_BLOCK_SIZES]
+ [PALETTE_SIZES - 1];
+extern const aom_prob av1_default_palette_y_color_index_prob
+ [PALETTE_SIZES][PALETTE_COLOR_INDEX_CONTEXTS][PALETTE_COLORS - 1];
+extern const aom_prob av1_default_palette_uv_color_index_prob
+ [PALETTE_SIZES][PALETTE_COLOR_INDEX_CONTEXTS][PALETTE_COLORS - 1];
+#endif // CONFIG_PALETTE
+
+extern const aom_tree_index av1_intra_mode_tree[TREE_SIZE(INTRA_MODES)];
+extern const aom_tree_index av1_inter_mode_tree[TREE_SIZE(INTER_MODES)];
+#if CONFIG_EC_MULTISYMBOL
+extern int av1_intra_mode_ind[INTRA_MODES];
+extern int av1_intra_mode_inv[INTRA_MODES];
+extern int av1_inter_mode_ind[INTER_MODES];
+extern int av1_inter_mode_inv[INTER_MODES];
+#if CONFIG_EXT_TX
+extern int av1_ext_tx_intra_ind[EXT_TX_SETS_INTRA][TX_TYPES];
+extern int av1_ext_tx_intra_inv[EXT_TX_SETS_INTRA][TX_TYPES];
+extern int av1_ext_tx_inter_ind[EXT_TX_SETS_INTER][TX_TYPES];
+extern int av1_ext_tx_inter_inv[EXT_TX_SETS_INTER][TX_TYPES];
+#endif
+#endif
+
+#if CONFIG_EXT_INTER
+extern const aom_tree_index
+ av1_interintra_mode_tree[TREE_SIZE(INTERINTRA_MODES)];
+extern const aom_tree_index
+ av1_inter_compound_mode_tree[TREE_SIZE(INTER_COMPOUND_MODES)];
+#if CONFIG_COMPOUND_SINGLEREF
+extern const aom_tree_index
+ av1_inter_singleref_comp_mode_tree[TREE_SIZE(INTER_SINGLEREF_COMP_MODES)];
+#endif // CONFIG_COMPOUND_SINGLEREF
+extern const aom_tree_index av1_compound_type_tree[TREE_SIZE(COMPOUND_TYPES)];
+#endif // CONFIG_EXT_INTER
+extern const aom_tree_index av1_partition_tree[TREE_SIZE(PARTITION_TYPES)];
+#if CONFIG_EXT_PARTITION_TYPES
+extern const aom_tree_index
+ av1_ext_partition_tree[TREE_SIZE(EXT_PARTITION_TYPES)];
+#endif
+extern const aom_tree_index
+ av1_switchable_interp_tree[TREE_SIZE(SWITCHABLE_FILTERS)];
+#if CONFIG_PALETTE
+extern const aom_tree_index av1_palette_size_tree[TREE_SIZE(PALETTE_SIZES)];
+extern const aom_tree_index
+ av1_palette_color_index_tree[PALETTE_SIZES][TREE_SIZE(PALETTE_COLORS)];
+#endif // CONFIG_PALETTE
+extern const aom_tree_index av1_tx_size_tree[MAX_TX_DEPTH][TREE_SIZE(TX_SIZES)];
+#if CONFIG_EXT_INTRA && CONFIG_INTRA_INTERP
+extern const aom_tree_index av1_intra_filter_tree[TREE_SIZE(INTRA_FILTERS)];
+#endif // CONFIG_EXT_INTRA && CONFIG_INTRA_INTERP
+#if CONFIG_EXT_TX
+extern const aom_tree_index av1_ext_tx_inter_tree[EXT_TX_SETS_INTER]
+ [TREE_SIZE(TX_TYPES)];
+extern const aom_tree_index av1_ext_tx_intra_tree[EXT_TX_SETS_INTRA]
+ [TREE_SIZE(TX_TYPES)];
+#else
+extern const aom_tree_index av1_ext_tx_tree[TREE_SIZE(TX_TYPES)];
+#endif // CONFIG_EXT_TX
+#if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+extern const aom_tree_index av1_motion_mode_tree[TREE_SIZE(MOTION_MODES)];
+#endif // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+
+#if CONFIG_LOOP_RESTORATION
+#define RESTORE_NONE_SGRPROJ_PROB 64
+#define RESTORE_NONE_BILATERAL_PROB 16
+#define RESTORE_NONE_WIENER_PROB 64
+#define RESTORE_NONE_DOMAINTXFMRF_PROB 64
+extern const aom_tree_index
+ av1_switchable_restore_tree[TREE_SIZE(RESTORE_SWITCHABLE_TYPES)];
+#endif // CONFIG_LOOP_RESTORATION
+#if CONFIG_EC_MULTISYMBOL
+extern int av1_switchable_interp_ind[SWITCHABLE_FILTERS];
+extern int av1_switchable_interp_inv[SWITCHABLE_FILTERS];
+
+void av1_set_mode_cdfs(struct AV1Common *cm);
+#endif
+
+void av1_setup_past_independence(struct AV1Common *cm);
+
+void av1_adapt_intra_frame_probs(struct AV1Common *cm);
+void av1_adapt_inter_frame_probs(struct AV1Common *cm);
+#if CONFIG_EC_MULTISYMBOL && !CONFIG_EXT_TX
+extern int av1_ext_tx_ind[TX_TYPES];
+extern int av1_ext_tx_inv[TX_TYPES];
+#endif
+
+static INLINE int av1_ceil_log2(int n) {
+ int i = 1, p = 2;
+ while (p < n) {
+ i++;
+ p = p << 1;
+ }
+ return i;
+}
+
+#if CONFIG_PALETTE
+// Returns the context for palette color index at row 'r' and column 'c',
+// along with the 'color_order' of neighbors and the 'color_idx'.
+// The 'color_map' is a 2D array with the given 'stride'.
+int av1_get_palette_color_index_context(const uint8_t *color_map, int stride,
+ int r, int c, int palette_size,
+ uint8_t *color_order, int *color_idx);
+#endif // CONFIG_PALETTE
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // AV1_COMMON_ENTROPYMODE_H_