| /* |
| * 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 y_mode_cts[VP9_BINTRAMODES] = { |
| /* DC V H D45 D135 D117 D153 D27 D63 TM */ |
| 98, 19, 15, 14, 14, 14, 14, 12, 12, 13, |
| }; |
| |
| 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 */ |
| }; |
| |
| 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 */ |
| }; |
| |
| 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}, |
| {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_intra_mode_tree[VP9_BINTRAMODES * 2 - 2] = { |
| -DC_PRED, 2, /* 0 = DC_NODE */ |
| -TM_PRED, 4, /* 1 = TM_NODE */ |
| -V_PRED, 6, /* 2 = V_NODE */ |
| 8, 12, /* 3 = COM_NODE */ |
| -H_PRED, 10, /* 4 = H_NODE */ |
| -D135_PRED, -D117_PRED, /* 5 = D135_NODE */ |
| -D45_PRED, 14, /* 6 = D45_NODE */ |
| -D63_PRED, 16, /* 7 = D63_NODE */ |
| -D153_PRED, -D27_PRED /* 8 = D153_NODE */ |
| }; |
| |
| const vp9_tree_index vp9_sb_mv_ref_tree[6] = { |
| -ZEROMV, 2, |
| -NEARESTMV, 4, |
| -NEARMV, -NEWMV |
| }; |
| |
| const vp9_tree_index vp9_partition_tree[6] = { |
| -PARTITION_NONE, 2, |
| -PARTITION_HORZ, 4, |
| -PARTITION_VERT, -PARTITION_SPLIT |
| }; |
| |
| struct vp9_token vp9_intra_mode_encodings[VP9_BINTRAMODES]; |
| |
| struct vp9_token vp9_sb_mv_ref_encoding_array[VP9_MVREFS]; |
| |
| 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_intra_mode_tree, x->fc.y_mode_prob, |
| bct, y_mode_cts, 0); |
| |
| for (i = 0; i < VP9_YMODES; i++) { |
| vp9_tree_probs_from_distribution(vp9_intra_mode_tree, x->kf_uv_mode_prob[i], |
| bct, kf_uv_mode_cts[i], 0); |
| vp9_tree_probs_from_distribution(vp9_intra_mode_tree, x->fc.uv_mode_prob[i], |
| bct, uv_mode_cts[i], 0); |
| } |
| |
| 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; |
| } |
| |
| #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_intra_mode_encodings, vp9_intra_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_sb_mv_ref_encoding_array, |
| vp9_sb_mv_ref_tree, NEARESTMV); |
| } |
| |
| 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); |
| } |
| } |
| } |
| |
| #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\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_intra_mode_tree, |
| fc->y_mode_counts, fc->pre_y_mode_prob, |
| fc->y_mode_prob, 0); |
| |
| for (i = 0; i < VP9_YMODES; ++i) |
| update_mode_probs(VP9_UV_MODES, vp9_intra_mode_tree, |
| fc->uv_mode_counts[i], fc->pre_uv_mode_prob[i], |
| fc->uv_mode_prob[i], 0); |
| |
| 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); |
| vpx_memcpy(cm->kf_y_mode_prob, vp9_kf_default_bmode_probs, |
| sizeof(vp9_kf_default_bmode_probs)); |
| 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; |
| } |
