68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
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* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_ENCODER_VP9_CRAQ_H_
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#define VP9_ENCODER_VP9_CRAQ_H_
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#include "vp9/common/vp9_blockd.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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// Target percentage of blocks per frame that are cyclicly refreshed.
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int max_mbs_perframe;
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// Maximum q-delta as percentage of base q.
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int max_qdelta_perc;
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// Block size below which we don't apply cyclic refresh.
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BLOCK_SIZE min_block_size;
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// Macroblock starting index (unit of 8x8) for cycling through the frame.
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int mb_index;
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// Controls how long a block will need to wait to be refreshed again.
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int time_for_refresh;
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// Actual number of blocks that were applied delta-q (segment 1).
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int num_seg_blocks;
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// Actual encoding bits for segment 1.
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int actual_seg_bits;
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// RD mult. parameters for segment 1.
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int rdmult;
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// Cyclic refresh map.
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signed char *map;
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// Projected rate and distortion for the current superblock.
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int64_t projected_rate_sb;
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int64_t projected_dist_sb;
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// Thresholds applied to projected rate/distortion of the superblock.
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int64_t thresh_rate_sb;
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int64_t thresh_dist_sb;
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} CYCLIC_REFRESH;
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struct VP9_COMP;
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// Prior to coding a given prediction block, of size bsize at (mi_row, mi_col),
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// check if we should reset the segment_id, and update the cyclic_refresh map
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// and segmentation map.
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void vp9_update_segment_aq(struct VP9_COMP *const cpi,
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MODE_INFO *const mi,
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int mi_row,
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int mi_col,
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int bsize,
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int use_rd);
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// Setup cyclic background refresh: set delta q and segmentation map.
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void vp9_setup_cyclic_refresh_aq(struct VP9_COMP *const cpi);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_ENCODER_VP9_CRAQ_H_
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