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-rw-r--r--media/libvpx/vp9/encoder/vp9_context_tree.h86
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diff --git a/media/libvpx/vp9/encoder/vp9_context_tree.h b/media/libvpx/vp9/encoder/vp9_context_tree.h
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+/*
+ * Copyright (c) 2014 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.
+ */
+
+#ifndef VP9_ENCODER_VP9_CONTEXT_TREE_H_
+#define VP9_ENCODER_VP9_CONTEXT_TREE_H_
+
+#include "vp9/common/vp9_blockd.h"
+
+struct VP9_COMP;
+struct VP9Common;
+struct ThreadData;
+
+// Structure to hold snapshot of coding context during the mode picking process
+typedef struct {
+ MODE_INFO mic;
+ uint8_t *zcoeff_blk;
+ tran_low_t *coeff[MAX_MB_PLANE][3];
+ tran_low_t *qcoeff[MAX_MB_PLANE][3];
+ tran_low_t *dqcoeff[MAX_MB_PLANE][3];
+ uint16_t *eobs[MAX_MB_PLANE][3];
+
+ // dual buffer pointers, 0: in use, 1: best in store
+ tran_low_t *coeff_pbuf[MAX_MB_PLANE][3];
+ tran_low_t *qcoeff_pbuf[MAX_MB_PLANE][3];
+ tran_low_t *dqcoeff_pbuf[MAX_MB_PLANE][3];
+ uint16_t *eobs_pbuf[MAX_MB_PLANE][3];
+
+ int is_coded;
+ int num_4x4_blk;
+ int skip;
+ int pred_pixel_ready;
+ // For current partition, only if all Y, U, and V transform blocks'
+ // coefficients are quantized to 0, skippable is set to 0.
+ int skippable;
+ uint8_t skip_txfm[MAX_MB_PLANE << 2];
+ int best_mode_index;
+ int hybrid_pred_diff;
+ int comp_pred_diff;
+ int single_pred_diff;
+ int64_t tx_rd_diff[TX_MODES];
+ int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS];
+
+ // TODO(jingning) Use RD_COST struct here instead. This involves a boarder
+ // scope of refactoring.
+ int rate;
+ int64_t dist;
+
+#if CONFIG_VP9_TEMPORAL_DENOISING
+ unsigned int newmv_sse;
+ unsigned int zeromv_sse;
+ PREDICTION_MODE best_sse_inter_mode;
+ int_mv best_sse_mv;
+ MV_REFERENCE_FRAME best_reference_frame;
+ MV_REFERENCE_FRAME best_zeromv_reference_frame;
+#endif
+
+ // motion vector cache for adaptive motion search control in partition
+ // search loop
+ MV pred_mv[MAX_REF_FRAMES];
+ INTERP_FILTER pred_interp_filter;
+} PICK_MODE_CONTEXT;
+
+typedef struct PC_TREE {
+ int index;
+ PARTITION_TYPE partitioning;
+ BLOCK_SIZE block_size;
+ PICK_MODE_CONTEXT none;
+ PICK_MODE_CONTEXT horizontal[2];
+ PICK_MODE_CONTEXT vertical[2];
+ union {
+ struct PC_TREE *split[4];
+ PICK_MODE_CONTEXT *leaf_split[4];
+ };
+} PC_TREE;
+
+void vp9_setup_pc_tree(struct VP9Common *cm, struct ThreadData *td);
+void vp9_free_pc_tree(struct ThreadData *td);
+
+#endif /* VP9_ENCODER_VP9_CONTEXT_TREE_H_ */