/* * Copyright (c) 2010 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #include "vp9/common/vp9_onyxc_int.h" #include "vp9/common/vp9_modecont.h" #include "vp9/common/vp9_seg_common.h" #include "vp9/common/vp9_alloccommon.h" #include "vpx_mem/vpx_mem.h" static const unsigned int kf_y_mode_cts[8][VP9_YMODES] = { /* DC V H D45 135 117 153 D27 D63 TM i4X4 */ {12, 6, 5, 5, 5, 5, 5, 5, 5, 2, 200}, {25, 13, 13, 7, 7, 7, 7, 7, 7, 6, 160}, {31, 17, 18, 8, 8, 8, 8, 8, 8, 9, 139}, {40, 22, 23, 8, 8, 8, 8, 8, 8, 12, 116}, {53, 26, 28, 8, 8, 8, 8, 8, 8, 13, 94}, {68, 33, 35, 8, 8, 8, 8, 8, 8, 17, 68}, {78, 38, 38, 8, 8, 8, 8, 8, 8, 19, 52}, {89, 42, 42, 8, 8, 8, 8, 8, 8, 21, 34}, }; static const unsigned int y_mode_cts [VP9_YMODES] = { /* DC V H D45 135 117 153 D27 D63 TM i4X4 */ 98, 19, 15, 14, 14, 14, 14, 12, 12, 13, 70 }; static const unsigned int uv_mode_cts [VP9_YMODES] [VP9_UV_MODES] = { /* DC V H D45 135 117 153 D27 D63 TM */ { 200, 15, 15, 10, 10, 10, 10, 10, 10, 6}, /* DC */ { 130, 75, 10, 10, 10, 10, 10, 10, 10, 6}, /* V */ { 130, 10, 75, 10, 10, 10, 10, 10, 10, 6}, /* H */ { 130, 15, 10, 75, 10, 10, 10, 10, 10, 6}, /* D45 */ { 150, 15, 10, 10, 75, 10, 10, 10, 10, 6}, /* D135 */ { 150, 15, 10, 10, 10, 75, 10, 10, 10, 6}, /* D117 */ { 150, 15, 10, 10, 10, 10, 75, 10, 10, 6}, /* D153 */ { 150, 15, 10, 10, 10, 10, 10, 75, 10, 6}, /* D27 */ { 150, 15, 10, 10, 10, 10, 10, 10, 75, 6}, /* D63 */ { 160, 30, 30, 10, 10, 10, 10, 10, 10, 16}, /* TM */ { 150, 35, 41, 10, 10, 10, 10, 10, 10, 10}, /* i4X4 */ }; static const unsigned int kf_uv_mode_cts [VP9_YMODES] [VP9_UV_MODES] = { // DC V H D45 135 117 153 D27 D63 TM { 160, 24, 24, 20, 20, 20, 20, 20, 20, 8}, /* DC */ { 102, 64, 30, 20, 20, 20, 20, 20, 20, 10}, /* V */ { 102, 30, 64, 20, 20, 20, 20, 20, 20, 10}, /* H */ { 102, 33, 20, 64, 20, 20, 20, 20, 20, 14}, /* D45 */ { 102, 33, 20, 20, 64, 20, 20, 20, 20, 14}, /* D135 */ { 122, 33, 20, 20, 20, 64, 20, 20, 20, 14}, /* D117 */ { 102, 33, 20, 20, 20, 20, 64, 20, 20, 14}, /* D153 */ { 102, 33, 20, 20, 20, 20, 20, 64, 20, 14}, /* D27 */ { 102, 33, 20, 20, 20, 20, 20, 20, 64, 14}, /* D63 */ { 132, 36, 30, 20, 20, 20, 20, 20, 20, 18}, /* TM */ { 122, 41, 35, 20, 20, 20, 20, 20, 20, 18}, /* I4X4 */ }; static const unsigned int bmode_cts[VP9_NKF_BINTRAMODES] = { /* DC V H D45 D135 D117 D153 D27 D63 TM */ 43891, 10036, 3920, 3363, 2546, 5119, 2471, 1723, 3221, 17694 }; typedef enum { SUBMVREF_NORMAL, SUBMVREF_LEFT_ZED, SUBMVREF_ABOVE_ZED, SUBMVREF_LEFT_ABOVE_SAME, SUBMVREF_LEFT_ABOVE_ZED } sumvfref_t; int vp9_mv_cont(const int_mv *l, const int_mv *a) { const int lez = (l->as_int == 0); const int aez = (a->as_int == 0); const int lea = (l->as_int == a->as_int); if (lea && lez) return SUBMVREF_LEFT_ABOVE_ZED; if (lea) return SUBMVREF_LEFT_ABOVE_SAME; if (aez) return SUBMVREF_ABOVE_ZED; if (lez) return SUBMVREF_LEFT_ZED; return SUBMVREF_NORMAL; } const vp9_prob vp9_sub_mv_ref_prob2 [SUBMVREF_COUNT][VP9_SUBMVREFS - 1] = { { 147, 136, 18 }, { 106, 145, 1 }, { 179, 121, 1 }, { 223, 1, 34 }, { 208, 1, 1 } }; const vp9_prob vp9_partition_probs[NUM_PARTITION_CONTEXTS] [PARTITION_TYPES - 1] = { // FIXME(jingning,rbultje) put real probabilities here {202, 162, 107}, {16, 2, 169}, {3, 246, 19}, {104, 90, 134}, {202, 162, 107}, {16, 2, 169}, {3, 246, 19}, {104, 90, 134}, {183, 70, 109}, {30, 14, 162}, {67, 208, 22}, {4, 17, 5}, }; /* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */ const vp9_tree_index vp9_kf_bmode_tree[VP9_KF_BINTRAMODES * 2 - 2] = { -B_DC_PRED, 2, /* 0 = DC_NODE */ -B_TM_PRED, 4, /* 1 = TM_NODE */ -B_V_PRED, 6, /* 2 = V_NODE */ 8, 12, /* 3 = COM_NODE */ -B_H_PRED, 10, /* 4 = H_NODE */ -B_D135_PRED, -B_D117_PRED, /* 5 = D135_NODE */ -B_D45_PRED, 14, /* 6 = D45_NODE */ -B_D63_PRED, 16, /* 7 = D63_NODE */ -B_D153_PRED, -B_D27_PRED /* 8 = D153_NODE */ }; const vp9_tree_index vp9_bmode_tree[VP9_NKF_BINTRAMODES * 2 - 2] = { -B_DC_PRED, 2, /* 0 = DC_NODE */ -B_TM_PRED, 4, /* 1 = TM_NODE */ -B_V_PRED, 6, /* 2 = V_NODE */ 8, 12, /* 3 = COM_NODE */ -B_H_PRED, 10, /* 4 = H_NODE */ -B_D135_PRED, -B_D117_PRED, /* 5 = D135_NODE */ -B_D45_PRED, 14, /* 6 = D45_NODE */ -B_D63_PRED, 16, /* 7 = D63_NODE */ -B_D153_PRED, -B_D27_PRED /* 8 = D153_NODE */ }; /* Again, these trees use the same probability indices as their explicitly-programmed predecessors. */ const vp9_tree_index vp9_ymode_tree[VP9_YMODES * 2 - 2] = { 2, 14, -DC_PRED, 4, 6, 8, -D45_PRED, -D135_PRED, 10, 12, -D117_PRED, -D153_PRED, -D27_PRED, -D63_PRED, 16, 18, -V_PRED, -H_PRED, -TM_PRED, -I4X4_PRED }; const vp9_tree_index vp9_kf_ymode_tree[VP9_YMODES * 2 - 2] = { 2, 14, -DC_PRED, 4, 6, 8, -D45_PRED, -D135_PRED, 10, 12, -D117_PRED, -D153_PRED, -D27_PRED, -D63_PRED, 16, 18, -V_PRED, -H_PRED, -TM_PRED, -I4X4_PRED }; const vp9_tree_index vp9_uv_mode_tree[VP9_UV_MODES * 2 - 2] = { 2, 14, -DC_PRED, 4, 6, 8, -D45_PRED, -D135_PRED, 10, 12, -D117_PRED, -D153_PRED, -D27_PRED, -D63_PRED, -V_PRED, 16, -H_PRED, -TM_PRED }; const vp9_tree_index vp9_mv_ref_tree[8] = { -ZEROMV, 2, -NEARESTMV, 4, -NEARMV, 6, -NEWMV, -SPLITMV }; const vp9_tree_index vp9_sb_mv_ref_tree[6] = { -ZEROMV, 2, -NEARESTMV, 4, -NEARMV, -NEWMV }; const vp9_tree_index vp9_sub_mv_ref_tree[6] = { -LEFT4X4, 2, -ABOVE4X4, 4, -ZERO4X4, -NEW4X4 }; const vp9_tree_index vp9_partition_tree[6] = { -PARTITION_NONE, 2, -PARTITION_HORZ, 4, -PARTITION_VERT, -PARTITION_SPLIT }; struct vp9_token vp9_bmode_encodings[VP9_NKF_BINTRAMODES]; struct vp9_token vp9_kf_bmode_encodings[VP9_KF_BINTRAMODES]; struct vp9_token vp9_ymode_encodings[VP9_YMODES]; struct vp9_token vp9_sb_ymode_encodings[VP9_I32X32_MODES]; struct vp9_token vp9_sb_kf_ymode_encodings[VP9_I32X32_MODES]; struct vp9_token vp9_kf_ymode_encodings[VP9_YMODES]; struct vp9_token vp9_uv_mode_encodings[VP9_UV_MODES]; struct vp9_token vp9_mv_ref_encoding_array[VP9_MVREFS]; struct vp9_token vp9_sb_mv_ref_encoding_array[VP9_MVREFS]; struct vp9_token vp9_sub_mv_ref_encoding_array[VP9_SUBMVREFS]; struct vp9_token vp9_partition_encodings[PARTITION_TYPES]; void vp9_init_mbmode_probs(VP9_COMMON *x) { unsigned int bct[VP9_YMODES][2]; // num Ymodes > num UV modes int i; vp9_tree_probs_from_distribution(vp9_ymode_tree, x->fc.ymode_prob, bct, y_mode_cts, 0); vp9_tree_probs_from_distribution(vp9_sb_ymode_tree, x->fc.sb_ymode_prob, bct, y_mode_cts, 0); for (i = 0; i < 8; i++) { vp9_tree_probs_from_distribution(vp9_kf_ymode_tree, x->kf_ymode_prob[i], bct, kf_y_mode_cts[i], 0); vp9_tree_probs_from_distribution(vp9_sb_kf_ymode_tree, x->sb_kf_ymode_prob[i], bct, kf_y_mode_cts[i], 0); } for (i = 0; i < VP9_YMODES; i++) { vp9_tree_probs_from_distribution(vp9_uv_mode_tree, x->kf_uv_mode_prob[i], bct, kf_uv_mode_cts[i], 0); vp9_tree_probs_from_distribution(vp9_uv_mode_tree, x->fc.uv_mode_prob[i], bct, uv_mode_cts[i], 0); } vpx_memcpy(x->fc.sub_mv_ref_prob, vp9_sub_mv_ref_prob2, sizeof(vp9_sub_mv_ref_prob2)); vpx_memcpy(x->fc.switchable_interp_prob, vp9_switchable_interp_prob, sizeof(vp9_switchable_interp_prob)); vpx_memcpy(x->fc.partition_prob, vp9_partition_probs, sizeof(vp9_partition_probs)); x->ref_pred_probs[0] = DEFAULT_PRED_PROB_0; x->ref_pred_probs[1] = DEFAULT_PRED_PROB_1; x->ref_pred_probs[2] = DEFAULT_PRED_PROB_2; } static void intra_bmode_probs_from_distribution( vp9_prob p[VP9_NKF_BINTRAMODES - 1], unsigned int branch_ct[VP9_NKF_BINTRAMODES - 1][2], const unsigned int events[VP9_NKF_BINTRAMODES]) { vp9_tree_probs_from_distribution(vp9_bmode_tree, p, branch_ct, events, 0); } void vp9_default_bmode_probs(vp9_prob p[VP9_NKF_BINTRAMODES - 1]) { unsigned int branch_ct[VP9_NKF_BINTRAMODES - 1][2]; intra_bmode_probs_from_distribution(p, branch_ct, bmode_cts); } static void intra_kf_bmode_probs_from_distribution( vp9_prob p[VP9_KF_BINTRAMODES - 1], unsigned int branch_ct[VP9_KF_BINTRAMODES - 1][2], const unsigned int events[VP9_KF_BINTRAMODES]) { vp9_tree_probs_from_distribution(vp9_kf_bmode_tree, p, branch_ct, events, 0); } void vp9_kf_default_bmode_probs(vp9_prob p[VP9_KF_BINTRAMODES] [VP9_KF_BINTRAMODES] [VP9_KF_BINTRAMODES - 1]) { unsigned int branch_ct[VP9_KF_BINTRAMODES - 1][2]; int i, j; for (i = 0; i < VP9_KF_BINTRAMODES; ++i) { for (j = 0; j < VP9_KF_BINTRAMODES; ++j) { intra_kf_bmode_probs_from_distribution( p[i][j], branch_ct, vp9_kf_default_bmode_counts[i][j]); } } } #if VP9_SWITCHABLE_FILTERS == 3 const vp9_tree_index vp9_switchable_interp_tree[VP9_SWITCHABLE_FILTERS*2-2] = { -0, 2, -1, -2 }; struct vp9_token vp9_switchable_interp_encodings[VP9_SWITCHABLE_FILTERS]; const INTERPOLATIONFILTERTYPE vp9_switchable_interp[VP9_SWITCHABLE_FILTERS] = { EIGHTTAP, EIGHTTAP_SMOOTH, EIGHTTAP_SHARP}; const int vp9_switchable_interp_map[SWITCHABLE+1] = {1, 0, 2, -1, -1}; const vp9_prob vp9_switchable_interp_prob [VP9_SWITCHABLE_FILTERS+1] [VP9_SWITCHABLE_FILTERS-1] = { {248, 192}, { 32, 248}, { 32, 32}, {192, 160} }; #elif VP9_SWITCHABLE_FILTERS == 2 const vp9_tree_index vp9_switchable_interp_tree[VP9_SWITCHABLE_FILTERS*2-2] = { -0, -1, }; struct vp9_token vp9_switchable_interp_encodings[VP9_SWITCHABLE_FILTERS]; const vp9_prob vp9_switchable_interp_prob [VP9_SWITCHABLE_FILTERS+1] [VP9_SWITCHABLE_FILTERS-1] = { {248}, { 64}, {192}, }; const INTERPOLATIONFILTERTYPE vp9_switchable_interp[VP9_SWITCHABLE_FILTERS] = { EIGHTTAP, EIGHTTAP_SHARP}; const int vp9_switchable_interp_map[SWITCHABLE+1] = {-1, 0, 1, -1, -1}; #endif // VP9_SWITCHABLE_FILTERS // Indicates if the filter is interpolating or non-interpolating // Note currently only the EIGHTTAP_SMOOTH is non-interpolating const int vp9_is_interpolating_filter[SWITCHABLE + 1] = {0, 1, 1, 1, -1}; void vp9_entropy_mode_init() { vp9_tokens_from_tree(vp9_kf_bmode_encodings, vp9_kf_bmode_tree); vp9_tokens_from_tree(vp9_bmode_encodings, vp9_bmode_tree); vp9_tokens_from_tree(vp9_ymode_encodings, vp9_ymode_tree); vp9_tokens_from_tree(vp9_kf_ymode_encodings, vp9_kf_ymode_tree); vp9_tokens_from_tree(vp9_sb_ymode_encodings, vp9_sb_ymode_tree); vp9_tokens_from_tree(vp9_sb_kf_ymode_encodings, vp9_sb_kf_ymode_tree); vp9_tokens_from_tree(vp9_uv_mode_encodings, vp9_uv_mode_tree); vp9_tokens_from_tree(vp9_switchable_interp_encodings, vp9_switchable_interp_tree); vp9_tokens_from_tree(vp9_partition_encodings, vp9_partition_tree); vp9_tokens_from_tree_offset(vp9_mv_ref_encoding_array, vp9_mv_ref_tree, NEARESTMV); vp9_tokens_from_tree_offset(vp9_sb_mv_ref_encoding_array, vp9_sb_mv_ref_tree, NEARESTMV); vp9_tokens_from_tree_offset(vp9_sub_mv_ref_encoding_array, vp9_sub_mv_ref_tree, LEFT4X4); } void vp9_init_mode_contexts(VP9_COMMON *pc) { vpx_memset(pc->fc.mv_ref_ct, 0, sizeof(pc->fc.mv_ref_ct)); vpx_memcpy(pc->fc.vp9_mode_contexts, vp9_default_mode_contexts, sizeof(vp9_default_mode_contexts)); } void vp9_accum_mv_refs(VP9_COMMON *pc, MB_PREDICTION_MODE m, const int context) { unsigned int (*mv_ref_ct)[4][2] = pc->fc.mv_ref_ct; if (m == ZEROMV) { ++mv_ref_ct[context][0][0]; } else { ++mv_ref_ct[context][0][1]; if (m == NEARESTMV) { ++mv_ref_ct[context][1][0]; } else { ++mv_ref_ct[context][1][1]; if (m == NEARMV) { ++mv_ref_ct[context][2][0]; } else { ++mv_ref_ct[context][2][1]; if (m == NEWMV) { ++mv_ref_ct[context][3][0]; } else { ++mv_ref_ct[context][3][1]; } } } } } #define MVREF_COUNT_SAT 20 #define MVREF_MAX_UPDATE_FACTOR 128 void vp9_adapt_mode_context(VP9_COMMON *pc) { int i, j; unsigned int (*mv_ref_ct)[4][2] = pc->fc.mv_ref_ct; int (*mode_context)[4] = pc->fc.vp9_mode_contexts; for (j = 0; j < INTER_MODE_CONTEXTS; j++) { for (i = 0; i < 4; i++) { int count = mv_ref_ct[j][i][0] + mv_ref_ct[j][i][1], factor; count = count > MVREF_COUNT_SAT ? MVREF_COUNT_SAT : count; factor = (MVREF_MAX_UPDATE_FACTOR * count / MVREF_COUNT_SAT); mode_context[j][i] = weighted_prob(pc->fc.vp9_mode_contexts[j][i], get_binary_prob(mv_ref_ct[j][i][0], mv_ref_ct[j][i][1]), factor); } } } #ifdef MODE_STATS #include "vp9/common/vp9_modecont.h" void print_mode_contexts(VP9_COMMON *pc) { int j, i; printf("\n====================\n"); for (j = 0; j < INTER_MODE_CONTEXTS; j++) { for (i = 0; i < 4; i++) { printf("%4d ", pc->fc.mode_context[j][i]); } printf("\n"); } printf("====================\n"); for (j = 0; j < INTER_MODE_CONTEXTS; j++) { for (i = 0; i < 4; i++) { printf("%4d ", pc->fc.mode_context_a[j][i]); } printf("\n"); } } #endif #define MODE_COUNT_SAT 20 #define MODE_MAX_UPDATE_FACTOR 144 static void update_mode_probs(int n_modes, const vp9_tree_index *tree, unsigned int *cnt, vp9_prob *pre_probs, vp9_prob *dst_probs, unsigned int tok0_offset) { #define MAX_PROBS 32 vp9_prob probs[MAX_PROBS]; unsigned int branch_ct[MAX_PROBS][2]; int t, count, factor; assert(n_modes - 1 < MAX_PROBS); vp9_tree_probs_from_distribution(tree, probs, branch_ct, cnt, tok0_offset); for (t = 0; t < n_modes - 1; ++t) { count = branch_ct[t][0] + branch_ct[t][1]; count = count > MODE_COUNT_SAT ? MODE_COUNT_SAT : count; factor = (MODE_MAX_UPDATE_FACTOR * count / MODE_COUNT_SAT); dst_probs[t] = weighted_prob(pre_probs[t], probs[t], factor); } } // #define MODE_COUNT_TESTING void vp9_adapt_mode_probs(VP9_COMMON *cm) { int i; FRAME_CONTEXT *fc = &cm->fc; #ifdef MODE_COUNT_TESTING int t; printf("static const unsigned int\nymode_counts" "[VP9_YMODES] = {\n"); for (t = 0; t < VP9_YMODES; ++t) printf("%d, ", fc->ymode_counts[t]); printf("};\n"); printf("static const unsigned int\nuv_mode_counts" "[VP9_YMODES] [VP9_UV_MODES] = {\n"); for (i = 0; i < VP9_YMODES; ++i) { printf(" {"); for (t = 0; t < VP9_UV_MODES; ++t) printf("%d, ", fc->uv_mode_counts[i][t]); printf("},\n"); } printf("};\n"); printf("static const unsigned int\nbmode_counts" "[VP9_NKF_BINTRAMODES] = {\n"); for (t = 0; t < VP9_NKF_BINTRAMODES; ++t) printf("%d, ", fc->bmode_counts[t]); printf("};\n"); printf("static const unsigned int\ni8x8_mode_counts" "[VP9_I8X8_MODES] = {\n"); for (t = 0; t < VP9_I8X8_MODES; ++t) printf("%d, ", fc->i8x8_mode_counts[t]); printf("};\n"); printf("static const unsigned int\nsub_mv_ref_counts" "[SUBMVREF_COUNT] [VP9_SUBMVREFS] = {\n"); for (i = 0; i < SUBMVREF_COUNT; ++i) { printf(" {"); for (t = 0; t < VP9_SUBMVREFS; ++t) printf("%d, ", fc->sub_mv_ref_counts[i][t]); printf("},\n"); } printf("};\n"); printf("static const unsigned int\nmbsplit_counts" "[VP9_NUMMBSPLITS] = {\n"); for (t = 0; t < VP9_NUMMBSPLITS; ++t) printf("%d, ", fc->mbsplit_counts[t]); printf("};\n"); #endif update_mode_probs(VP9_YMODES, vp9_ymode_tree, fc->ymode_counts, fc->pre_ymode_prob, fc->ymode_prob, 0); update_mode_probs(VP9_I32X32_MODES, vp9_sb_ymode_tree, fc->sb_ymode_counts, fc->pre_sb_ymode_prob, fc->sb_ymode_prob, 0); for (i = 0; i < VP9_YMODES; ++i) update_mode_probs(VP9_UV_MODES, vp9_uv_mode_tree, fc->uv_mode_counts[i], fc->pre_uv_mode_prob[i], fc->uv_mode_prob[i], 0); update_mode_probs(VP9_NKF_BINTRAMODES, vp9_bmode_tree, fc->bmode_counts, fc->pre_bmode_prob, fc->bmode_prob, 0); for (i = 0; i < SUBMVREF_COUNT; ++i) update_mode_probs(VP9_SUBMVREFS, vp9_sub_mv_ref_tree, fc->sub_mv_ref_counts[i], fc->pre_sub_mv_ref_prob[i], fc->sub_mv_ref_prob[i], LEFT4X4); for (i = 0; i < NUM_PARTITION_CONTEXTS; i++) update_mode_probs(PARTITION_TYPES, vp9_partition_tree, fc->partition_counts[i], fc->pre_partition_prob[i], fc->partition_prob[i], 0); } static void set_default_lf_deltas(MACROBLOCKD *xd) { xd->mode_ref_lf_delta_enabled = 1; xd->mode_ref_lf_delta_update = 1; xd->ref_lf_deltas[INTRA_FRAME] = 1; xd->ref_lf_deltas[LAST_FRAME] = 0; xd->ref_lf_deltas[GOLDEN_FRAME] = -1; xd->ref_lf_deltas[ALTREF_FRAME] = -1; xd->mode_lf_deltas[0] = 2; // I4X4_PRED xd->mode_lf_deltas[1] = -1; // Zero xd->mode_lf_deltas[2] = 1; // New mv xd->mode_lf_deltas[3] = 2; // Split mv } void vp9_setup_past_independence(VP9_COMMON *cm, MACROBLOCKD *xd) { // Reset the segment feature data to the default stats: // Features disabled, 0, with delta coding (Default state). int i; vp9_clearall_segfeatures(xd); xd->mb_segment_abs_delta = SEGMENT_DELTADATA; if (cm->last_frame_seg_map) vpx_memset(cm->last_frame_seg_map, 0, (cm->mi_rows * cm->mi_cols)); // Reset the mode ref deltas for loop filter vpx_memset(xd->last_ref_lf_deltas, 0, sizeof(xd->last_ref_lf_deltas)); vpx_memset(xd->last_mode_lf_deltas, 0, sizeof(xd->last_mode_lf_deltas)); set_default_lf_deltas(xd); vp9_default_coef_probs(cm); vp9_init_mbmode_probs(cm); vp9_default_bmode_probs(cm->fc.bmode_prob); vp9_kf_default_bmode_probs(cm->kf_bmode_prob); vp9_init_mv_probs(cm); // To force update of the sharpness cm->last_sharpness_level = -1; vp9_init_mode_contexts(cm); for (i = 0; i < NUM_FRAME_CONTEXTS; i++) vpx_memcpy(&cm->frame_contexts[i], &cm->fc, sizeof(cm->fc)); vpx_memset(cm->prev_mip, 0, cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO)); vpx_memset(cm->mip, 0, cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO)); vp9_update_mode_info_border(cm, cm->mip); vp9_update_mode_info_in_image(cm, cm->mi); vp9_update_mode_info_border(cm, cm->prev_mip); vp9_update_mode_info_in_image(cm, cm->prev_mi); vpx_memset(cm->ref_frame_sign_bias, 0, sizeof(cm->ref_frame_sign_bias)); cm->frame_context_idx = 0; }