| /* |
| * 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 "onyxc_int.h" |
| #include "modecont.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 i8x8 BPRED */ |
| {12, 6, 5, 5, 5, 5, 5, 5, 5, 2, 22, 200}, |
| {25, 13, 13, 7, 7, 7, 7, 7, 7, 6, 27, 160}, |
| {31, 17, 18, 8, 8, 8, 8, 8, 8, 9, 26, 139}, |
| {40, 22, 23, 8, 8, 8, 8, 8, 8, 12, 27, 116}, |
| {53, 26, 28, 8, 8, 8, 8, 8, 8, 13, 26, 94}, |
| {68, 33, 35, 8, 8, 8, 8, 8, 8, 17, 20, 68}, |
| {78, 38, 38, 8, 8, 8, 8, 8, 8, 19, 16, 52}, |
| {89, 42, 42, 8, 8, 8, 8, 8, 8, 21, 12, 34}, |
| }; |
| |
| static const unsigned int y_mode_cts [VP9_YMODES] = { |
| /* DC V H D45 135 117 153 D27 D63 TM i8x8 BPRED */ |
| 98, 19, 15, 14, 14, 14, 14, 12, 12, 13, 16, 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 */ |
| { 132, 46, 40, 10, 10, 10, 10, 10, 10, 18}, /* i8x8 - never used */ |
| { 150, 35, 41, 10, 10, 10, 10, 10, 10, 10}, /* BPRED */ |
| }; |
| |
| static const unsigned int i8x8_mode_cts [VP9_I8X8_MODES] = { |
| /* DC V H D45 135 117 153 D27 D63 TM */ |
| 73, 49, 61, 30, 30, 30, 30, 30, 30, 13 |
| }; |
| |
| 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}, /* i8x8 - never used */ |
| { 122, 41, 35, 20, 20, 20, 20, 20, 20, 18}, /* BPRED */ |
| }; |
| |
| static const unsigned int bmode_cts[VP9_NKF_BINTRAMODES] = { |
| #if CONFIG_NEWBINTRAMODES |
| #if CONTEXT_PRED_REPLACEMENTS == 6 |
| /* DC TM VE HE CONTEXT */ |
| 43891, 17694, 10036, 3920, 20000 |
| #elif CONTEXT_PRED_REPLACEMENTS == 4 |
| /* DC TM VE HE LD RD CONTEXT */ |
| 43891, 17694, 10036, 3920, 3363, 2546, 14000 |
| #elif CONTEXT_PRED_REPLACEMENTS == 0 |
| /* DC TM VE HE LD RD VR VL HD HU CONTEXT */ |
| 43891, 17694, 10036, 3920, 3363, 2546, 5119, 3221, 2471, 1723, 50000 |
| #endif |
| #else |
| /* DC TM VE HE LD RD VR VL HD HU */ |
| 43891, 17694, 10036, 3920, 3363, 2546, 5119, 3221, 2471, 1723 |
| #endif |
| }; |
| |
| 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) { |
| int lez = (l->as_int == 0); |
| int aez = (a->as_int == 0); |
| 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_prob [VP9_SUBMVREFS - 1] = { 180, 162, 25}; |
| |
| 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 } |
| }; |
| |
| vp9_mbsplit vp9_mbsplits [VP9_NUMMBSPLITS] = { |
| { |
| 0, 0, 0, 0, |
| 0, 0, 0, 0, |
| 1, 1, 1, 1, |
| 1, 1, 1, 1, |
| }, { |
| 0, 0, 1, 1, |
| 0, 0, 1, 1, |
| 0, 0, 1, 1, |
| 0, 0, 1, 1, |
| }, { |
| 0, 0, 1, 1, |
| 0, 0, 1, 1, |
| 2, 2, 3, 3, |
| 2, 2, 3, 3, |
| }, { |
| 0, 1, 2, 3, |
| 4, 5, 6, 7, |
| 8, 9, 10, 11, |
| 12, 13, 14, 15, |
| }, |
| }; |
| |
| const int vp9_mbsplit_count [VP9_NUMMBSPLITS] = { 2, 2, 4, 16}; |
| |
| const vp9_prob vp9_mbsplit_probs [VP9_NUMMBSPLITS - 1] = { 110, 111, 150}; |
| |
| /* 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_VE_PRED, 6, /* 2 = VE_NODE */ |
| 8, 12, /* 3 = COM_NODE */ |
| -B_HE_PRED, 10, /* 4 = HE_NODE */ |
| -B_RD_PRED, -B_VR_PRED, /* 5 = RD_NODE */ |
| -B_LD_PRED, 14, /* 6 = LD_NODE */ |
| -B_VL_PRED, 16, /* 7 = VL_NODE */ |
| -B_HD_PRED, -B_HU_PRED /* 8 = HD_NODE */ |
| }; |
| |
| const vp9_tree_index vp9_bmode_tree[VP9_NKF_BINTRAMODES * 2 - 2] = { |
| #if CONFIG_NEWBINTRAMODES |
| #if CONTEXT_PRED_REPLACEMENTS == 6 |
| -B_DC_PRED, 2, |
| -B_TM_PRED, 4, |
| 6, -(B_CONTEXT_PRED - CONTEXT_PRED_REPLACEMENTS), |
| -B_VE_PRED, -B_HE_PRED |
| #elif CONTEXT_PRED_REPLACEMENTS == 4 |
| -B_DC_PRED, 2, |
| -B_TM_PRED, 4, |
| 6, 8, |
| -B_VE_PRED, -B_HE_PRED, |
| 10, -(B_CONTEXT_PRED - CONTEXT_PRED_REPLACEMENTS), |
| -B_RD_PRED, -B_LD_PRED, |
| #elif CONTEXT_PRED_REPLACEMENTS == 0 |
| -B_DC_PRED, 2, /* 0 = DC_NODE */ |
| -B_TM_PRED, 4, /* 1 = TM_NODE */ |
| -B_VE_PRED, 6, /* 2 = VE_NODE */ |
| 8, 12, /* 3 = COM_NODE */ |
| -B_HE_PRED, 10, /* 4 = HE_NODE */ |
| -B_RD_PRED, -B_VR_PRED, /* 5 = RD_NODE */ |
| -B_LD_PRED, 14, /* 6 = LD_NODE */ |
| -B_VL_PRED, 16, /* 7 = VL_NODE */ |
| -B_HD_PRED, 18, |
| -B_HU_PRED, -B_CONTEXT_PRED |
| #endif |
| #else |
| -B_DC_PRED, 2, /* 0 = DC_NODE */ |
| -B_TM_PRED, 4, /* 1 = TM_NODE */ |
| -B_VE_PRED, 6, /* 2 = VE_NODE */ |
| 8, 12, /* 3 = COM_NODE */ |
| -B_HE_PRED, 10, /* 4 = HE_NODE */ |
| -B_RD_PRED, -B_VR_PRED, /* 5 = RD_NODE */ |
| -B_LD_PRED, 14, /* 6 = LD_NODE */ |
| -B_VL_PRED, 16, /* 7 = VL_NODE */ |
| -B_HD_PRED, -B_HU_PRED /* 8 = HD_NODE */ |
| #endif |
| }; |
| |
| /* 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, 20, |
| -B_PRED, -I8X8_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, 20, |
| -B_PRED, -I8X8_PRED |
| }; |
| |
| const vp9_tree_index vp9_i8x8_mode_tree[VP9_I8X8_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_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_mbsplit_tree[6] = { |
| -PARTITIONING_4X4, 2, |
| -PARTITIONING_8X8, 4, |
| -PARTITIONING_16X8, -PARTITIONING_8X16, |
| }; |
| |
| const vp9_tree_index vp9_mv_ref_tree[8] = { |
| -ZEROMV, 2, |
| -NEARESTMV, 4, |
| -NEARMV, 6, |
| -NEWMV, -SPLITMV |
| }; |
| |
| #if CONFIG_SUPERBLOCKS |
| const vp9_tree_index vp9_sb_mv_ref_tree[6] = { |
| -ZEROMV, 2, |
| -NEARESTMV, 4, |
| -NEARMV, -NEWMV |
| }; |
| #endif |
| |
| const vp9_tree_index vp9_sub_mv_ref_tree[6] = { |
| -LEFT4X4, 2, |
| -ABOVE4X4, 4, |
| -ZERO4X4, -NEW4X4 |
| }; |
| |
| struct vp9_token_struct vp9_bmode_encodings[VP9_NKF_BINTRAMODES]; |
| struct vp9_token_struct vp9_kf_bmode_encodings[VP9_KF_BINTRAMODES]; |
| struct vp9_token_struct vp9_ymode_encodings[VP9_YMODES]; |
| #if CONFIG_SUPERBLOCKS |
| struct vp9_token_struct vp9_sb_kf_ymode_encodings [VP9_I32X32_MODES]; |
| #endif |
| struct vp9_token_struct vp9_kf_ymode_encodings[VP9_YMODES]; |
| struct vp9_token_struct vp9_uv_mode_encodings[VP9_UV_MODES]; |
| struct vp9_token_struct vp9_i8x8_mode_encodings[VP9_I8X8_MODES]; |
| struct vp9_token_struct vp9_mbsplit_encodings[VP9_NUMMBSPLITS]; |
| |
| struct vp9_token_struct vp9_mv_ref_encoding_array[VP9_MVREFS]; |
| #if CONFIG_SUPERBLOCKS |
| struct vp9_token_struct vp9_sb_mv_ref_encoding_array[VP9_MVREFS]; |
| #endif |
| struct vp9_token_struct vp9_sub_mv_ref_encoding_array[VP9_SUBMVREFS]; |
| |
| void vp9_init_mbmode_probs(VP9_COMMON *x) { |
| unsigned int bct [VP9_YMODES] [2]; /* num Ymodes > num UV modes */ |
| |
| vp9_tree_probs_from_distribution(VP9_YMODES, vp9_ymode_encodings, |
| vp9_ymode_tree, x->fc.ymode_prob, |
| bct, y_mode_cts, 256, 1); |
| { |
| int i; |
| for (i = 0; i < 8; i++) { |
| vp9_tree_probs_from_distribution(VP9_YMODES, vp9_kf_ymode_encodings, |
| vp9_kf_ymode_tree, x->kf_ymode_prob[i], |
| bct, kf_y_mode_cts[i], 256, 1); |
| #if CONFIG_SUPERBLOCKS |
| vp9_tree_probs_from_distribution(VP9_I32X32_MODES, |
| vp9_sb_kf_ymode_encodings, |
| vp9_sb_ymode_tree, |
| x->sb_kf_ymode_prob[i], bct, |
| kf_y_mode_cts[i], 256, 1); |
| #endif |
| } |
| } |
| { |
| int i; |
| for (i = 0; i < VP9_YMODES; i++) { |
| vp9_tree_probs_from_distribution(VP9_UV_MODES, vp9_uv_mode_encodings, |
| vp9_uv_mode_tree, x->kf_uv_mode_prob[i], |
| bct, kf_uv_mode_cts[i], 256, 1); |
| vp9_tree_probs_from_distribution(VP9_UV_MODES, vp9_uv_mode_encodings, |
| vp9_uv_mode_tree, x->fc.uv_mode_prob[i], |
| bct, uv_mode_cts[i], 256, 1); |
| } |
| } |
| |
| vp9_tree_probs_from_distribution(VP9_I8X8_MODES, vp9_i8x8_mode_encodings, |
| vp9_i8x8_mode_tree, x->fc.i8x8_mode_prob, |
| bct, i8x8_mode_cts, 256, 1); |
| |
| vpx_memcpy(x->fc.sub_mv_ref_prob, vp9_sub_mv_ref_prob2, |
| sizeof(vp9_sub_mv_ref_prob2)); |
| vpx_memcpy(x->fc.mbsplit_prob, vp9_mbsplit_probs, sizeof(vp9_mbsplit_probs)); |
| vpx_memcpy(x->fc.switchable_interp_prob, vp9_switchable_interp_prob, |
| sizeof(vp9_switchable_interp_prob)); |
| #if CONFIG_COMP_INTERINTRA_PRED |
| x->fc.interintra_prob = VP9_DEF_INTERINTRA_PROB; |
| #endif |
| } |
| |
| |
| 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_NKF_BINTRAMODES, vp9_bmode_encodings, |
| vp9_bmode_tree, p, branch_ct, events, 256, 1); |
| } |
| |
| 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_BINTRAMODES, vp9_kf_bmode_encodings, |
| vp9_kf_bmode_tree, p, branch_ct, events, 256, 1); |
| } |
| |
| 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_struct vp9_switchable_interp_encodings[VP9_SWITCHABLE_FILTERS]; |
| const INTERPOLATIONFILTERTYPE vp9_switchable_interp[VP9_SWITCHABLE_FILTERS] = { |
| EIGHTTAP, SIXTAP, EIGHTTAP_SHARP}; |
| const int vp9_switchable_interp_map[SWITCHABLE+1] = {1, -1, 0, 2, -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_struct 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, -1, 0, 1, -1}; //8, 8s |
| #endif |
| |
| 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); |
| #if CONFIG_SUPERBLOCKS |
| vp9_tokens_from_tree(vp9_sb_kf_ymode_encodings, vp9_sb_ymode_tree); |
| #endif |
| vp9_tokens_from_tree(vp9_uv_mode_encodings, vp9_uv_mode_tree); |
| vp9_tokens_from_tree(vp9_i8x8_mode_encodings, vp9_i8x8_mode_tree); |
| vp9_tokens_from_tree(vp9_mbsplit_encodings, vp9_mbsplit_tree); |
| vp9_tokens_from_tree(vp9_switchable_interp_encodings, |
| vp9_switchable_interp_tree); |
| |
| vp9_tokens_from_tree_offset(vp9_mv_ref_encoding_array, |
| vp9_mv_ref_tree, NEARESTMV); |
| #if CONFIG_SUPERBLOCKS |
| vp9_tokens_from_tree_offset(vp9_sb_mv_ref_encoding_array, |
| vp9_sb_mv_ref_tree, NEARESTMV); |
| #endif |
| 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_memset(pc->fc.mv_ref_ct_a, 0, sizeof(pc->fc.mv_ref_ct_a)); |
| |
| vpx_memcpy(pc->fc.mode_context, |
| vp9_default_mode_contexts, |
| sizeof(pc->fc.mode_context)); |
| vpx_memcpy(pc->fc.mode_context_a, |
| vp9_default_mode_contexts_a, |
| sizeof(pc->fc.mode_context_a)); |
| |
| } |
| |
| void vp9_accum_mv_refs(VP9_COMMON *pc, |
| MB_PREDICTION_MODE m, |
| const int context) { |
| int (*mv_ref_ct)[4][2]; |
| |
| if (pc->refresh_alt_ref_frame) |
| mv_ref_ct = pc->fc.mv_ref_ct_a; |
| else |
| mv_ref_ct = 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 144 |
| void vp9_update_mode_context(VP9_COMMON *pc) { |
| int i, j; |
| int (*mv_ref_ct)[4][2]; |
| int (*mode_context)[4]; |
| |
| if (pc->refresh_alt_ref_frame) { |
| mv_ref_ct = pc->fc.mv_ref_ct_a; |
| mode_context = pc->fc.mode_context_a; |
| } else { |
| mv_ref_ct = pc->fc.mv_ref_ct; |
| mode_context = pc->fc.mode_context; |
| } |
| |
| for (j = 0; j < INTER_MODE_CONTEXTS; j++) { |
| for (i = 0; i < 4; i++) { |
| int this_prob; |
| int count = mv_ref_ct[j][i][0] + mv_ref_ct[j][i][1]; |
| int factor; |
| { |
| this_prob = count > 0 ? 256 * mv_ref_ct[j][i][0] / count : 128; |
| count = count > MVREF_COUNT_SAT ? MVREF_COUNT_SAT : count; |
| factor = (MVREF_MAX_UPDATE_FACTOR * count / MVREF_COUNT_SAT); |
| this_prob = (pc->fc.vp9_mode_contexts[j][i] * (256 - factor) + |
| this_prob * factor + 128) >> 8; |
| this_prob = this_prob ? (this_prob < 255 ? this_prob : 255) : 1; |
| mode_context[j][i] = this_prob; |
| } |
| } |
| } |
| } |
| |
| #ifdef MODE_STATS |
| #include "vp9/common/modecont.h" |
| void print_mode_contexts(VP9_COMMON *pc) { |
| int j, i; |
| printf("\n====================\n"); |
| for (j = 0; j < 6; j++) { |
| for (i = 0; i < 4; i++) { |
| printf("%4d ", pc->fc.mode_context[j][i]); |
| } |
| printf("\n"); |
| } |
| printf("====================\n"); |
| for (j = 0; j < 6; j++) { |
| for (i = 0; i < 4; i++) { |
| printf("%4d ", pc->fc.mode_context_a[j][i]); |
| } |
| printf("\n"); |
| } |
| } |
| #endif |
| |
| // #define MODE_COUNT_TESTING |
| #define MODE_COUNT_SAT 20 |
| #define MODE_MAX_UPDATE_FACTOR 144 |
| void vp9_adapt_mode_probs(VP9_COMMON *cm) { |
| int i, t, count, factor; |
| unsigned int branch_ct[32][2]; |
| vp9_prob ymode_probs[VP9_YMODES - 1]; |
| vp9_prob uvmode_probs[VP9_UV_MODES - 1]; |
| vp9_prob bmode_probs[VP9_NKF_BINTRAMODES - 1]; |
| vp9_prob i8x8_mode_probs[VP9_I8X8_MODES - 1]; |
| vp9_prob sub_mv_ref_probs[VP9_SUBMVREFS - 1]; |
| vp9_prob mbsplit_probs[VP9_NUMMBSPLITS - 1]; |
| #if CONFIG_COMP_INTERINTRA_PRED |
| vp9_prob interintra_prob; |
| #endif |
| #ifdef MODE_COUNT_TESTING |
| printf("static const unsigned int\nymode_counts" |
| "[VP9_YMODES] = {\n"); |
| for (t = 0; t < VP9_YMODES; ++t) printf("%d, ", cm->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, ", cm->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, ", cm->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, ", cm->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, ", cm->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, ", cm->fc.mbsplit_counts[t]); |
| printf("};\n"); |
| #if CONFIG_COMP_INTERINTRA_PRED |
| printf("static const unsigned int\ninterintra_counts" |
| "[2] = {\n"); |
| for (t = 0; t < 2; ++t) printf("%d, ", cm->fc.interintra_counts[t]); |
| printf("};\n"); |
| #endif |
| #endif |
| vp9_tree_probs_from_distribution( |
| VP9_YMODES, vp9_ymode_encodings, vp9_ymode_tree, |
| ymode_probs, branch_ct, cm->fc.ymode_counts, |
| 256, 1); |
| for (t = 0; t < VP9_YMODES - 1; ++t) { |
| int prob; |
| 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); |
| prob = ((int)cm->fc.pre_ymode_prob[t] * (256 - factor) + |
| (int)ymode_probs[t] * factor + 128) >> 8; |
| if (prob <= 0) cm->fc.ymode_prob[t] = 1; |
| else if (prob > 255) cm->fc.ymode_prob[t] = 255; |
| else cm->fc.ymode_prob[t] = prob; |
| } |
| for (i = 0; i < VP9_YMODES; ++i) { |
| vp9_tree_probs_from_distribution(VP9_UV_MODES, vp9_uv_mode_encodings, |
| vp9_uv_mode_tree, uvmode_probs, branch_ct, |
| cm->fc.uv_mode_counts[i], 256, 1); |
| for (t = 0; t < VP9_UV_MODES - 1; ++t) { |
| int prob; |
| 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); |
| prob = ((int)cm->fc.pre_uv_mode_prob[i][t] * (256 - factor) + |
| (int)uvmode_probs[t] * factor + 128) >> 8; |
| if (prob <= 0) cm->fc.uv_mode_prob[i][t] = 1; |
| else if (prob > 255) cm->fc.uv_mode_prob[i][t] = 255; |
| else cm->fc.uv_mode_prob[i][t] = prob; |
| } |
| } |
| vp9_tree_probs_from_distribution(VP9_NKF_BINTRAMODES, vp9_bmode_encodings, |
| vp9_bmode_tree, bmode_probs, branch_ct, |
| cm->fc.bmode_counts, 256, 1); |
| for (t = 0; t < VP9_NKF_BINTRAMODES - 1; ++t) { |
| int prob; |
| 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); |
| prob = ((int)cm->fc.pre_bmode_prob[t] * (256 - factor) + |
| (int)bmode_probs[t] * factor + 128) >> 8; |
| if (prob <= 0) cm->fc.bmode_prob[t] = 1; |
| else if (prob > 255) cm->fc.bmode_prob[t] = 255; |
| else cm->fc.bmode_prob[t] = prob; |
| } |
| vp9_tree_probs_from_distribution(VP9_I8X8_MODES, vp9_i8x8_mode_encodings, |
| vp9_i8x8_mode_tree, i8x8_mode_probs, |
| branch_ct, cm->fc.i8x8_mode_counts, 256, 1); |
| for (t = 0; t < VP9_I8X8_MODES - 1; ++t) { |
| int prob; |
| 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); |
| prob = ((int)cm->fc.pre_i8x8_mode_prob[t] * (256 - factor) + |
| (int)i8x8_mode_probs[t] * factor + 128) >> 8; |
| if (prob <= 0) cm->fc.i8x8_mode_prob[t] = 1; |
| else if (prob > 255) cm->fc.i8x8_mode_prob[t] = 255; |
| else cm->fc.i8x8_mode_prob[t] = prob; |
| } |
| for (i = 0; i < SUBMVREF_COUNT; ++i) { |
| vp9_tree_probs_from_distribution(VP9_SUBMVREFS, |
| vp9_sub_mv_ref_encoding_array, |
| vp9_sub_mv_ref_tree, sub_mv_ref_probs, |
| branch_ct, cm->fc.sub_mv_ref_counts[i], |
| 256, 1); |
| for (t = 0; t < VP9_SUBMVREFS - 1; ++t) { |
| int prob; |
| 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); |
| prob = ((int)cm->fc.pre_sub_mv_ref_prob[i][t] * (256 - factor) + |
| (int)sub_mv_ref_probs[t] * factor + 128) >> 8; |
| if (prob <= 0) cm->fc.sub_mv_ref_prob[i][t] = 1; |
| else if (prob > 255) cm->fc.sub_mv_ref_prob[i][t] = 255; |
| else cm->fc.sub_mv_ref_prob[i][t] = prob; |
| } |
| } |
| vp9_tree_probs_from_distribution(VP9_NUMMBSPLITS, vp9_mbsplit_encodings, |
| vp9_mbsplit_tree, mbsplit_probs, branch_ct, |
| cm->fc.mbsplit_counts, 256, 1); |
| for (t = 0; t < VP9_NUMMBSPLITS - 1; ++t) { |
| int prob; |
| 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); |
| prob = ((int)cm->fc.pre_mbsplit_prob[t] * (256 - factor) + |
| (int)mbsplit_probs[t] * factor + 128) >> 8; |
| if (prob <= 0) cm->fc.mbsplit_prob[t] = 1; |
| else if (prob > 255) cm->fc.mbsplit_prob[t] = 255; |
| else cm->fc.mbsplit_prob[t] = prob; |
| } |
| #if CONFIG_COMP_INTERINTRA_PRED |
| if (cm->use_interintra) { |
| int prob; |
| interintra_prob = vp9_bin_prob_from_distribution(cm->fc.interintra_counts); |
| count = cm->fc.interintra_counts[0] + cm->fc.interintra_counts[1]; |
| count = count > MODE_COUNT_SAT ? MODE_COUNT_SAT : count; |
| factor = (MODE_MAX_UPDATE_FACTOR * count / MODE_COUNT_SAT); |
| prob = ((int)cm->fc.pre_interintra_prob * (256 - factor) + |
| (int)interintra_prob * factor + 128) >> 8; |
| if (prob <= 0) |
| cm->fc.interintra_prob = 1; |
| else if (prob > 255) |
| cm->fc.interintra_prob = 255; |
| else |
| cm->fc.interintra_prob = prob; |
| } |
| #endif |
| } |
